diff --git a/Documentation/vm/hugetlbfs_reserv.rst b/Documentation/vm/hugetlbfs_reserv.rst
index f143954e0d0568..1c238b10e17722 100644
--- a/Documentation/vm/hugetlbfs_reserv.rst
+++ b/Documentation/vm/hugetlbfs_reserv.rst
@@ -157,7 +157,7 @@ are enough free huge pages to accommodate the reservation.  If there are,
 the global reservation count resv_huge_pages is adjusted something like the
 following::
 
-	if (resv_needed <= (resv_huge_pages - free_huge_pages))
+	if (resv_needed <= (free_huge_pages - resv_huge_pages)
 		resv_huge_pages += resv_needed;
 
 Note that the global lock hugetlb_lock is held when checking and adjusting
diff --git a/Makefile b/Makefile
index 1567d457225e96..f5bfc7745621f4 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
 PATCHLEVEL = 15
-SUBLEVEL = 208
+SUBLEVEL = 209
 EXTRAVERSION =
 NAME = Trick or Treat
 
diff --git a/arch/arm/boot/dts/mt7623.dtsi b/arch/arm/boot/dts/mt7623.dtsi
index 64756888fd0d11..3c2064f7e50e21 100644
--- a/arch/arm/boot/dts/mt7623.dtsi
+++ b/arch/arm/boot/dts/mt7623.dtsi
@@ -329,7 +329,7 @@
 
 	efuse: efuse@10206000 {
 		compatible = "mediatek,mt7623-efuse",
-			     "mediatek,mt8173-efuse";
+			     "mediatek,efuse";
 		reg = <0 0x10206000 0 0x1000>;
 		#address-cells = <1>;
 		#size-cells = <1>;
diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c
index b7eb4038798b65..b6d54cee5b7922 100644
--- a/arch/arm/mach-integrator/integrator_cp.c
+++ b/arch/arm/mach-integrator/integrator_cp.c
@@ -88,14 +88,6 @@ static u64 notrace intcp_read_sched_clock(void)
 	return val;
 }
 
-static void __init intcp_init_early(void)
-{
-	cm_map = syscon_regmap_lookup_by_compatible("arm,core-module-integrator");
-	if (IS_ERR(cm_map))
-		return;
-	sched_clock_register(intcp_read_sched_clock, 32, 24000000);
-}
-
 static void __init intcp_init_irq_of(void)
 {
 	cm_init();
@@ -121,6 +113,10 @@ static void __init intcp_init_of(void)
 {
 	struct device_node *cpcon;
 
+	cm_map = syscon_regmap_lookup_by_compatible("arm,core-module-integrator");
+	if (!IS_ERR(cm_map))
+		sched_clock_register(intcp_read_sched_clock, 32, 24000000);
+
 	cpcon = of_find_matching_node(NULL, intcp_syscon_match);
 	if (!cpcon)
 		return;
@@ -140,7 +136,6 @@ static const char * intcp_dt_board_compat[] = {
 DT_MACHINE_START(INTEGRATOR_CP_DT, "ARM Integrator/CP (Device Tree)")
 	.reserve	= integrator_reserve,
 	.map_io		= intcp_map_io,
-	.init_early	= intcp_init_early,
 	.init_irq	= intcp_init_irq_of,
 	.init_machine	= intcp_init_of,
 	.dt_compat      = intcp_dt_board_compat,
diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905d-p230.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905d-p230.dts
index b2ab05c2209031..67c952fe8abc14 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905d-p230.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905d-p230.dts
@@ -86,7 +86,8 @@
 		reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>;
 
 		interrupt-parent = <&gpio_intc>;
-		interrupts = <29 IRQ_TYPE_LEVEL_LOW>;
+		/* MAC_INTR on GPIOZ_15 */
+		interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
 		eee-broken-1000t;
 	};
 };
diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
index c86cd20d4e709f..2260ae8dc1a23f 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
@@ -706,7 +706,7 @@
 				regulator-ramp-delay = <1250>;
 				rohm,dvs-run-voltage = <900000>;
 				rohm,dvs-idle-voltage = <850000>;
-				rohm,dvs-suspend-voltage = <800000>;
+				rohm,dvs-suspend-voltage = <850000>;
 				regulator-always-on;
 			};
 
diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
index e41e1c553bd375..12a33ac9e7543c 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
@@ -1362,7 +1362,7 @@
 			                         <&clk IMX8MQ_GPU_PLL_OUT>,
 			                         <&clk IMX8MQ_GPU_PLL>;
 			assigned-clock-rates = <800000000>, <800000000>,
-			                       <800000000>, <800000000>, <0>;
+			                       <800000000>, <400000000>, <0>;
 			power-domains = <&pgc_gpu>;
 		};
 
diff --git a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts
index 736951fabb7a91..a4ff9e67a16840 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-xiaomi-beryllium.dts
@@ -133,6 +133,7 @@
 			regulator-min-microvolt = <880000>;
 			regulator-max-microvolt = <880000>;
 			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
+			regulator-boot-on;
 		};
 
 		vreg_l5a_0p8: ldo5 {
diff --git a/arch/arm64/crypto/aes-modes.S b/arch/arm64/crypto/aes-modes.S
index b495de22bb3808..92fef9bb71db3e 100644
--- a/arch/arm64/crypto/aes-modes.S
+++ b/arch/arm64/crypto/aes-modes.S
@@ -697,7 +697,7 @@ AES_FUNC_START(aes_mac_update)
 	encrypt_block	v0, w2, x1, x7, w8
 	eor		v0.16b, v0.16b, v4.16b
 	cmp		w3, wzr
-	csinv		x5, x6, xzr, eq
+	csinv		w5, w6, wzr, eq
 	cbz		w5, .Lmacout
 	encrypt_block	v0, w2, x1, x7, w8
 	st1		{v0.16b}, [x4]			/* return dg */
@@ -711,7 +711,7 @@ AES_FUNC_START(aes_mac_update)
 	eor		v0.16b, v0.16b, v1.16b		/* ..and xor with dg */
 
 	subs		w3, w3, #1
-	csinv		x5, x6, xzr, eq
+	csinv		w5, w6, wzr, eq
 	cbz		w5, .Lmacout
 
 .Lmacenc:
diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h
index e69833213e7928..c1baf1b06ccec3 100644
--- a/arch/mips/include/asm/cpu-features.h
+++ b/arch/mips/include/asm/cpu-features.h
@@ -484,7 +484,6 @@
 # endif
 # ifndef cpu_vmbits
 # define cpu_vmbits cpu_data[0].vmbits
-# define __NEED_VMBITS_PROBE
 # endif
 #endif
 
diff --git a/arch/mips/include/asm/cpu-info.h b/arch/mips/include/asm/cpu-info.h
index a600670d00e970..1aee44124f1187 100644
--- a/arch/mips/include/asm/cpu-info.h
+++ b/arch/mips/include/asm/cpu-info.h
@@ -80,9 +80,7 @@ struct cpuinfo_mips {
 	int			srsets; /* Shadow register sets */
 	int			package;/* physical package number */
 	unsigned int		globalnumber;
-#ifdef CONFIG_64BIT
 	int			vmbits; /* Virtual memory size in bits */
-#endif
 	void			*data;	/* Additional data */
 	unsigned int		watch_reg_count;   /* Number that exist */
 	unsigned int		watch_reg_use_cnt; /* Usable by ptrace */
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index acdf8c69220b03..a1bb5f16d44975 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -1719,6 +1719,8 @@ do {									\
 
 #define read_c0_entryhi()	__read_ulong_c0_register($10, 0)
 #define write_c0_entryhi(val)	__write_ulong_c0_register($10, 0, val)
+#define read_c0_entryhi_64()	__read_64bit_c0_register($10, 0)
+#define write_c0_entryhi_64(val) __write_64bit_c0_register($10, 0, val)
 
 #define read_c0_guestctl1()	__read_32bit_c0_register($10, 4)
 #define write_c0_guestctl1(val)	__write_32bit_c0_register($10, 4, val)
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index f258c5f15f9037..464258c6ab4640 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -208,11 +208,14 @@ static inline void set_elf_base_platform(const char *plat)
 
 static inline void cpu_probe_vmbits(struct cpuinfo_mips *c)
 {
-#ifdef __NEED_VMBITS_PROBE
-	write_c0_entryhi(0x3fffffffffffe000ULL);
-	back_to_back_c0_hazard();
-	c->vmbits = fls64(read_c0_entryhi() & 0x3fffffffffffe000ULL);
-#endif
+	int vmbits = 31;
+
+	if (cpu_has_64bits) {
+		write_c0_entryhi_64(0x3fffffffffffe000ULL);
+		back_to_back_c0_hazard();
+		vmbits = fls64(read_c0_entryhi_64() & 0x3fffffffffffe000ULL);
+	}
+	c->vmbits = vmbits;
 }
 
 static void set_isa(struct cpuinfo_mips *c, unsigned int isa)
diff --git a/arch/mips/kernel/cpu-r3k-probe.c b/arch/mips/kernel/cpu-r3k-probe.c
index af654771918cdd..3c9d5a2fd79281 100644
--- a/arch/mips/kernel/cpu-r3k-probe.c
+++ b/arch/mips/kernel/cpu-r3k-probe.c
@@ -160,6 +160,8 @@ void cpu_probe(void)
 	else
 		cpu_set_nofpu_opts(c);
 
+	c->vmbits = 31;
+
 	reserve_exception_space(0, 0x400);
 }
 
diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c
index d9a5ede8869bdc..da5a9b699b6839 100644
--- a/arch/mips/mm/tlb-r4k.c
+++ b/arch/mips/mm/tlb-r4k.c
@@ -12,6 +12,8 @@
 #include <linux/init.h>
 #include <linux/sched.h>
 #include <linux/smp.h>
+#include <linux/memblock.h>
+#include <linux/minmax.h>
 #include <linux/mm.h>
 #include <linux/hugetlb.h>
 #include <linux/export.h>
@@ -23,6 +25,7 @@
 #include <asm/hazards.h>
 #include <asm/mmu_context.h>
 #include <asm/tlb.h>
+#include <asm/tlbdebug.h>
 #include <asm/tlbmisc.h>
 
 extern void build_tlb_refill_handler(void);
@@ -500,81 +503,266 @@ static int __init set_ntlb(char *str)
 __setup("ntlb=", set_ntlb);
 
 
-/* Comparison function for EntryHi VPN fields.  */
-static int r4k_vpn_cmp(const void *a, const void *b)
+/* The start bit position of VPN2 and Mask in EntryHi/PageMask registers.  */
+#define VPN2_SHIFT 13
+
+/* Read full EntryHi even with CONFIG_32BIT.  */
+static inline unsigned long long read_c0_entryhi_native(void)
 {
-	long v = *(unsigned long *)a - *(unsigned long *)b;
-	int s = sizeof(long) > sizeof(int) ? sizeof(long) * 8 - 1: 0;
-	return s ? (v != 0) | v >> s : v;
+	return cpu_has_64bits ? read_c0_entryhi_64() : read_c0_entryhi();
 }
 
+/* Write full EntryHi even with CONFIG_32BIT.  */
+static inline void write_c0_entryhi_native(unsigned long long v)
+{
+	if (cpu_has_64bits)
+		write_c0_entryhi_64(v);
+	else
+		write_c0_entryhi(v);
+}
+
+/* TLB entry state for uniquification.  */
+struct tlbent {
+	unsigned long long wired:1;
+	unsigned long long global:1;
+	unsigned long long asid:10;
+	unsigned long long vpn:51;
+	unsigned long long pagesz:5;
+	unsigned long long index:14;
+};
+
 /*
- * Initialise all TLB entries with unique values that do not clash with
- * what we have been handed over and what we'll be using ourselves.
+ * Comparison function for TLB entry sorting.  Place wired entries first,
+ * then global entries, then order by the increasing VPN/ASID and the
+ * decreasing page size.  This lets us avoid clashes with wired entries
+ * easily and get entries for larger pages out of the way first.
+ *
+ * We could group bits so as to reduce the number of comparisons, but this
+ * is seldom executed and not performance-critical, so prefer legibility.
  */
-static void r4k_tlb_uniquify(void)
+static int r4k_entry_cmp(const void *a, const void *b)
 {
-	unsigned long tlb_vpns[1 << MIPS_CONF1_TLBS_SIZE];
-	int tlbsize = current_cpu_data.tlbsize;
-	int start = num_wired_entries();
-	unsigned long vpn_mask;
-	int cnt, ent, idx, i;
+	struct tlbent ea = *(struct tlbent *)a, eb = *(struct tlbent *)b;
+
+	if (ea.wired > eb.wired)
+		return -1;
+	else if (ea.wired < eb.wired)
+		return 1;
+	else if (ea.global > eb.global)
+		return -1;
+	else if (ea.global < eb.global)
+		return 1;
+	else if (ea.vpn < eb.vpn)
+		return -1;
+	else if (ea.vpn > eb.vpn)
+		return 1;
+	else if (ea.asid < eb.asid)
+		return -1;
+	else if (ea.asid > eb.asid)
+		return 1;
+	else if (ea.pagesz > eb.pagesz)
+		return -1;
+	else if (ea.pagesz < eb.pagesz)
+		return 1;
+	else
+		return 0;
+}
 
-	vpn_mask = GENMASK(cpu_vmbits - 1, 13);
-	vpn_mask |= IS_ENABLED(CONFIG_64BIT) ? 3ULL << 62 : 1 << 31;
+/*
+ * Fetch all the TLB entries.  Mask individual VPN values retrieved with
+ * the corresponding page mask and ignoring any 1KiB extension as we'll
+ * be using 4KiB pages for uniquification.
+ */
+static void __ref r4k_tlb_uniquify_read(struct tlbent *tlb_vpns, int tlbsize)
+{
+	int start = num_wired_entries();
+	unsigned long long vpn_mask;
+	bool global;
+	int i;
 
-	htw_stop();
+	vpn_mask = GENMASK(current_cpu_data.vmbits - 1, VPN2_SHIFT);
+	vpn_mask |= cpu_has_64bits ? 3ULL << 62 : 1 << 31;
 
-	for (i = start, cnt = 0; i < tlbsize; i++, cnt++) {
-		unsigned long vpn;
+	for (i = 0; i < tlbsize; i++) {
+		unsigned long long entryhi, vpn, mask, asid;
+		unsigned int pagesz;
 
 		write_c0_index(i);
 		mtc0_tlbr_hazard();
 		tlb_read();
 		tlb_read_hazard();
-		vpn = read_c0_entryhi();
-		vpn &= vpn_mask & PAGE_MASK;
-		tlb_vpns[cnt] = vpn;
 
-		/* Prevent any large pages from overlapping regular ones.  */
-		write_c0_pagemask(read_c0_pagemask() & PM_DEFAULT_MASK);
-		mtc0_tlbw_hazard();
-		tlb_write_indexed();
-		tlbw_use_hazard();
+		global = !!(read_c0_entrylo0() & ENTRYLO_G);
+		entryhi = read_c0_entryhi_native();
+		mask = read_c0_pagemask();
+
+		asid = entryhi & cpu_asid_mask(&current_cpu_data);
+		vpn = (entryhi & vpn_mask & ~mask) >> VPN2_SHIFT;
+		pagesz = ilog2((mask >> VPN2_SHIFT) + 1);
+
+		tlb_vpns[i].global = global;
+		tlb_vpns[i].asid = global ? 0 : asid;
+		tlb_vpns[i].vpn = vpn;
+		tlb_vpns[i].pagesz = pagesz;
+		tlb_vpns[i].wired = i < start;
+		tlb_vpns[i].index = i;
 	}
+}
 
-	sort(tlb_vpns, cnt, sizeof(tlb_vpns[0]), r4k_vpn_cmp, NULL);
+/*
+ * Write unique values to all but the wired TLB entries each, using
+ * the 4KiB page size.  This size might not be supported with R6, but
+ * EHINV is mandatory for R6, so we won't ever be called in that case.
+ *
+ * A sorted table is supplied with any wired entries at the beginning,
+ * followed by any global entries, and then finally regular entries.
+ * We start at the VPN and ASID values of zero and only assign user
+ * addresses, therefore guaranteeing no clash with addresses produced
+ * by UNIQUE_ENTRYHI.  We avoid any VPN values used by wired or global
+ * entries, by increasing the VPN value beyond the span of such entry.
+ *
+ * When a VPN/ASID clash is found with a regular entry we increment the
+ * ASID instead until no VPN/ASID clash has been found or the ASID space
+ * has been exhausted, in which case we increase the VPN value beyond
+ * the span of the largest clashing entry.
+ *
+ * We do not need to be concerned about FTLB or MMID configurations as
+ * those are required to implement the EHINV feature.
+ */
+static void __ref r4k_tlb_uniquify_write(struct tlbent *tlb_vpns, int tlbsize)
+{
+	unsigned long long asid, vpn, vpn_size, pagesz;
+	int widx, gidx, idx, sidx, lidx, i;
 
-	write_c0_pagemask(PM_DEFAULT_MASK);
+	vpn_size = 1ULL << (current_cpu_data.vmbits - VPN2_SHIFT);
+	pagesz = ilog2((PM_4K >> VPN2_SHIFT) + 1);
+
+	write_c0_pagemask(PM_4K);
 	write_c0_entrylo0(0);
 	write_c0_entrylo1(0);
 
-	idx = 0;
-	ent = tlbsize;
-	for (i = start; i < tlbsize; i++)
-		while (1) {
-			unsigned long entryhi, vpn;
+	asid = 0;
+	vpn = 0;
+	widx = 0;
+	gidx = 0;
+	for (sidx = 0; sidx < tlbsize && tlb_vpns[sidx].wired; sidx++)
+		;
+	for (lidx = sidx; lidx < tlbsize && tlb_vpns[lidx].global; lidx++)
+		;
+	idx = gidx = sidx + 1;
+	for (i = sidx; i < tlbsize; i++) {
+		unsigned long long entryhi, vpn_pagesz = 0;
 
-			entryhi = UNIQUE_ENTRYHI(ent);
-			vpn = entryhi & vpn_mask & PAGE_MASK;
+		while (1) {
+			if (WARN_ON(vpn >= vpn_size)) {
+				dump_tlb_all();
+				/* Pray local_flush_tlb_all() will cope.  */
+				return;
+			}
 
-			if (idx >= cnt || vpn < tlb_vpns[idx]) {
-				write_c0_entryhi(entryhi);
-				write_c0_index(i);
-				mtc0_tlbw_hazard();
-				tlb_write_indexed();
-				ent++;
-				break;
-			} else if (vpn == tlb_vpns[idx]) {
-				ent++;
-			} else {
+			/* VPN must be below the next wired entry.  */
+			if (widx < sidx && vpn >= tlb_vpns[widx].vpn) {
+				vpn = max(vpn,
+					  (tlb_vpns[widx].vpn +
+					   (1ULL << tlb_vpns[widx].pagesz)));
+				asid = 0;
+				widx++;
+				continue;
+			}
+			/* VPN must be below the next global entry.  */
+			if (gidx < lidx && vpn >= tlb_vpns[gidx].vpn) {
+				vpn = max(vpn,
+					  (tlb_vpns[gidx].vpn +
+					   (1ULL << tlb_vpns[gidx].pagesz)));
+				asid = 0;
+				gidx++;
+				continue;
+			}
+			/* Try to find a free ASID so as to conserve VPNs.  */
+			if (idx < tlbsize && vpn == tlb_vpns[idx].vpn &&
+			    asid == tlb_vpns[idx].asid) {
+				unsigned long long idx_pagesz;
+
+				idx_pagesz = tlb_vpns[idx].pagesz;
+				vpn_pagesz = max(vpn_pagesz, idx_pagesz);
+				do
+					idx++;
+				while (idx < tlbsize &&
+				       vpn == tlb_vpns[idx].vpn &&
+				       asid == tlb_vpns[idx].asid);
+				asid++;
+				if (asid > cpu_asid_mask(&current_cpu_data)) {
+					vpn += vpn_pagesz;
+					asid = 0;
+					vpn_pagesz = 0;
+				}
+				continue;
+			}
+			/* VPN mustn't be above the next regular entry.  */
+			if (idx < tlbsize && vpn > tlb_vpns[idx].vpn) {
+				vpn = max(vpn,
+					  (tlb_vpns[idx].vpn +
+					   (1ULL << tlb_vpns[idx].pagesz)));
+				asid = 0;
 				idx++;
+				continue;
 			}
+			break;
+		}
+
+		entryhi = (vpn << VPN2_SHIFT) | asid;
+		write_c0_entryhi_native(entryhi);
+		write_c0_index(tlb_vpns[i].index);
+		mtc0_tlbw_hazard();
+		tlb_write_indexed();
+
+		tlb_vpns[i].asid = asid;
+		tlb_vpns[i].vpn = vpn;
+		tlb_vpns[i].pagesz = pagesz;
+
+		asid++;
+		if (asid > cpu_asid_mask(&current_cpu_data)) {
+			vpn += 1ULL << pagesz;
+			asid = 0;
 		}
+	}
+}
+
+/*
+ * Initialise all TLB entries with unique values that do not clash with
+ * what we have been handed over and what we'll be using ourselves.
+ */
+static void __ref r4k_tlb_uniquify(void)
+{
+	int tlbsize = current_cpu_data.tlbsize;
+	bool use_slab = slab_is_available();
+	phys_addr_t tlb_vpn_size;
+	struct tlbent *tlb_vpns;
+
+	tlb_vpn_size = tlbsize * sizeof(*tlb_vpns);
+	tlb_vpns = (use_slab ?
+		    kmalloc(tlb_vpn_size, GFP_ATOMIC) :
+		    memblock_alloc_raw(tlb_vpn_size, sizeof(*tlb_vpns)));
+	if (WARN_ON(!tlb_vpns))
+		return; /* Pray local_flush_tlb_all() is good enough. */
+
+	htw_stop();
+
+	r4k_tlb_uniquify_read(tlb_vpns, tlbsize);
+
+	sort(tlb_vpns, tlbsize, sizeof(*tlb_vpns), r4k_entry_cmp, NULL);
+
+	r4k_tlb_uniquify_write(tlb_vpns, tlbsize);
+
+	write_c0_pagemask(PM_DEFAULT_MASK);
 
 	tlbw_use_hazard();
 	htw_start();
 	flush_micro_tlb();
+	if (use_slab)
+		kfree(tlb_vpns);
+	else
+		memblock_free_ptr(tlb_vpns, tlb_vpn_size);
 }
 
 /*
@@ -616,7 +804,8 @@ static void r4k_tlb_configure(void)
 	temp_tlb_entry = current_cpu_data.tlbsize - 1;
 
 	/* From this point on the ARC firmware is dead.	 */
-	r4k_tlb_uniquify();
+	if (!cpu_has_tlbinv)
+		r4k_tlb_uniquify();
 	local_flush_tlb_all();
 
 	/* Did I tell you that ARC SUCKS?  */
diff --git a/arch/parisc/kernel/syscalls/syscall.tbl b/arch/parisc/kernel/syscalls/syscall.tbl
index 5774509ea4a3b9..840b5fad894e1c 100644
--- a/arch/parisc/kernel/syscalls/syscall.tbl
+++ b/arch/parisc/kernel/syscalls/syscall.tbl
@@ -154,7 +154,7 @@
 # 137 was afs_syscall
 138	common	setfsuid		sys_setfsuid
 139	common	setfsgid		sys_setfsgid
-140	common	_llseek			sys_llseek
+140	32	_llseek			sys_llseek
 141	common	getdents		sys_getdents			compat_sys_getdents
 142	common	_newselect		sys_select			compat_sys_select
 143	common	flock			sys_flock
diff --git a/arch/powerpc/kexec/file_load_64.c b/arch/powerpc/kexec/file_load_64.c
index bce1bef0be8998..ac8160cbcf6732 100644
--- a/arch/powerpc/kexec/file_load_64.c
+++ b/arch/powerpc/kexec/file_load_64.c
@@ -766,7 +766,7 @@ static void update_backup_region_phdr(struct kimage *image, Elf64_Ehdr *ehdr)
 	unsigned int i;
 
 	phdr = (Elf64_Phdr *)(ehdr + 1);
-	for (i = 0; i < ehdr->e_phnum; i++) {
+	for (i = 0; i < ehdr->e_phnum; i++, phdr++) {
 		if (phdr->p_paddr == BACKUP_SRC_START) {
 			phdr->p_offset = image->arch.backup_start;
 			pr_debug("Backup region offset updated to 0x%lx\n",
diff --git a/arch/powerpc/net/bpf_jit_comp64.c b/arch/powerpc/net/bpf_jit_comp64.c
index 57e1b6680365c1..6f4a7bcf53aa91 100644
--- a/arch/powerpc/net/bpf_jit_comp64.c
+++ b/arch/powerpc/net/bpf_jit_comp64.c
@@ -239,30 +239,32 @@ static int bpf_jit_emit_tail_call(u32 *image, struct codegen_context *ctx, u32 o
 	 * tail_call_cnt++;
 	 */
 	EMIT(PPC_RAW_ADDI(b2p[TMP_REG_1], b2p[TMP_REG_1], 1));
-	PPC_BPF_STL(b2p[TMP_REG_1], 1, bpf_jit_stack_tailcallcnt(ctx));
 
 	/* prog = array->ptrs[index]; */
-	EMIT(PPC_RAW_MULI(b2p[TMP_REG_1], b2p_index, 8));
-	EMIT(PPC_RAW_ADD(b2p[TMP_REG_1], b2p[TMP_REG_1], b2p_bpf_array));
-	PPC_BPF_LL(b2p[TMP_REG_1], b2p[TMP_REG_1], offsetof(struct bpf_array, ptrs));
+	EMIT(PPC_RAW_MULI(b2p[TMP_REG_2], b2p_index, 8));
+	EMIT(PPC_RAW_ADD(b2p[TMP_REG_2], b2p[TMP_REG_2], b2p_bpf_array));
+	PPC_BPF_LL(b2p[TMP_REG_2], b2p[TMP_REG_2], offsetof(struct bpf_array, ptrs));
 
 	/*
 	 * if (prog == NULL)
 	 *   goto out;
 	 */
-	EMIT(PPC_RAW_CMPLDI(b2p[TMP_REG_1], 0));
+	EMIT(PPC_RAW_CMPLDI(b2p[TMP_REG_2], 0));
 	PPC_BCC(COND_EQ, out);
 
 	/* goto *(prog->bpf_func + prologue_size); */
-	PPC_BPF_LL(b2p[TMP_REG_1], b2p[TMP_REG_1], offsetof(struct bpf_prog, bpf_func));
+	PPC_BPF_LL(b2p[TMP_REG_2], b2p[TMP_REG_2], offsetof(struct bpf_prog, bpf_func));
 #ifdef PPC64_ELF_ABI_v1
 	/* skip past the function descriptor */
-	EMIT(PPC_RAW_ADDI(b2p[TMP_REG_1], b2p[TMP_REG_1],
+	EMIT(PPC_RAW_ADDI(b2p[TMP_REG_2], b2p[TMP_REG_2],
 			FUNCTION_DESCR_SIZE + BPF_TAILCALL_PROLOGUE_SIZE));
 #else
-	EMIT(PPC_RAW_ADDI(b2p[TMP_REG_1], b2p[TMP_REG_1], BPF_TAILCALL_PROLOGUE_SIZE));
+	EMIT(PPC_RAW_ADDI(b2p[TMP_REG_2], b2p[TMP_REG_2], BPF_TAILCALL_PROLOGUE_SIZE));
 #endif
-	EMIT(PPC_RAW_MTCTR(b2p[TMP_REG_1]));
+	EMIT(PPC_RAW_MTCTR(b2p[TMP_REG_2]));
+
+	/* Writeback updated tailcall count */
+	PPC_BPF_STL(b2p[TMP_REG_1], 1, bpf_jit_stack_tailcallcnt(ctx));
 
 	/* tear down stack, restore NVRs, ... */
 	bpf_jit_emit_common_epilogue(image, ctx);
diff --git a/arch/powerpc/platforms/44x/warp.c b/arch/powerpc/platforms/44x/warp.c
index 665f18e37efb29..3d1398125507b5 100644
--- a/arch/powerpc/platforms/44x/warp.c
+++ b/arch/powerpc/platforms/44x/warp.c
@@ -261,6 +261,8 @@ static int pika_dtm_thread(void __iomem *fpga)
 		schedule_timeout(HZ);
 	}
 
+	put_device(&client->dev);
+
 	return 0;
 }
 
diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c
index 4331c7e6e1c032..1d7b619acdf308 100644
--- a/arch/s390/kernel/debug.c
+++ b/arch/s390/kernel/debug.c
@@ -1268,6 +1268,9 @@ static inline char *debug_get_user_string(const char __user *user_buf,
 {
 	char *buffer;
 
+	if (!user_len)
+		return ERR_PTR(-EINVAL);
+
 	buffer = kmalloc(user_len + 1, GFP_KERNEL);
 	if (!buffer)
 		return ERR_PTR(-ENOMEM);
@@ -1444,6 +1447,11 @@ static int debug_input_flush_fn(debug_info_t *id, struct debug_view *view,
 	char input_buf[1];
 	int rc = user_len;
 
+	if (!user_len) {
+		rc = -EINVAL;
+		goto out;
+	}
+
 	if (user_len > 0x10000)
 		user_len = 0x10000;
 	if (*offset != 0) {
diff --git a/arch/s390/lib/xor.c b/arch/s390/lib/xor.c
index a963c3d8ad0d94..7afc06f1d5a84d 100644
--- a/arch/s390/lib/xor.c
+++ b/arch/s390/lib/xor.c
@@ -28,8 +28,8 @@ static void xor_xc_2(unsigned long bytes, unsigned long *p1, unsigned long *p2)
 		"	j	3f\n"
 		"2:	xc	0(1,%1),0(%2)\n"
 		"3:\n"
-		: : "d" (bytes), "a" (p1), "a" (p2)
-		: "0", "1", "cc", "memory");
+		: "+d" (bytes), "+a" (p1), "+a" (p2)
+		: : "0", "1", "cc", "memory");
 }
 
 static void xor_xc_3(unsigned long bytes, unsigned long *p1, unsigned long *p2,
diff --git a/arch/um/drivers/cow_user.c b/arch/um/drivers/cow_user.c
index 29b46581ddd137..dc1d1bcd85ec24 100644
--- a/arch/um/drivers/cow_user.c
+++ b/arch/um/drivers/cow_user.c
@@ -15,6 +15,12 @@
 #include "cow.h"
 #include "cow_sys.h"
 
+/*
+ * arch/um/Makefile remaps strrchr to kernel_strrchr; call the kernel
+ * name directly to avoid glibc >= 2.43's C23 strrchr macro.
+ */
+char *kernel_strrchr(const char *, int);
+
 #define PATH_LEN_V1 256
 
 /* unsigned time_t works until year 2106 */
@@ -153,7 +159,7 @@ static int absolutize(char *to, int size, char *from)
 			   errno);
 		return -1;
 	}
-	slash = strrchr(from, '/');
+	slash = kernel_strrchr(from, '/');
 	if (slash != NULL) {
 		*slash = '\0';
 		if (chdir(from)) {
diff --git a/arch/um/drivers/virt-pci.c b/arch/um/drivers/virt-pci.c
index d762d726b66cff..0666c9e0998d18 100644
--- a/arch/um/drivers/virt-pci.c
+++ b/arch/um/drivers/virt-pci.c
@@ -641,7 +641,7 @@ static void um_pci_virtio_remove(struct virtio_device *vdev)
 	}
 
 	/* Stop all virtqueues */
-	virtio_reset_device(vdev);
+	vdev->config->reset(vdev);
 	dev->cmd_vq = NULL;
 	dev->irq_vq = NULL;
 	vdev->config->del_vqs(vdev);
diff --git a/arch/x86/events/intel/uncore_discovery.c b/arch/x86/events/intel/uncore_discovery.c
index c8e1f9f0b466da..be7a63808462ef 100644
--- a/arch/x86/events/intel/uncore_discovery.c
+++ b/arch/x86/events/intel/uncore_discovery.c
@@ -303,7 +303,7 @@ bool intel_uncore_has_discovery_tables(void)
 				     (val & UNCORE_DISCOVERY_DVSEC2_BIR_MASK) * UNCORE_DISCOVERY_BIR_STEP;
 
 			die = get_device_die_id(dev);
-			if (die < 0)
+			if ((die < 0) || (die >= uncore_max_dies()))
 				continue;
 
 			parse_discovery_table(dev, die, bar_offset, &parsed);
diff --git a/arch/x86/include/asm/segment.h b/arch/x86/include/asm/segment.h
index 879be4ffa06c70..8dd8e8ec9fa552 100644
--- a/arch/x86/include/asm/segment.h
+++ b/arch/x86/include/asm/segment.h
@@ -242,7 +242,7 @@ static inline unsigned long vdso_encode_cpunode(int cpu, unsigned long node)
 
 static inline void vdso_read_cpunode(unsigned *cpu, unsigned *node)
 {
-	unsigned long p;
+	unsigned int p;
 
 	/*
 	 * Load CPU and node number from the GDT.  LSL is faster than RDTSCP
@@ -252,10 +252,10 @@ static inline void vdso_read_cpunode(unsigned *cpu, unsigned *node)
 	 *
 	 * If RDPID is available, use it.
 	 */
-	alternative_io ("lsl %[seg],%k[p]",
-			"rdpid %[p]",
+	alternative_io ("lsl %[seg],%[p]",
+			".byte 0xf3,0x0f,0xc7,0xf8", /* RDPID %eax/rax */
 			X86_FEATURE_RDPID,
-			[p] "=r" (p), [seg] "r" (__CPUNODE_SEG));
+			[p] "=a" (p), [seg] "r" (__CPUNODE_SEG));
 
 	if (cpu)
 		*cpu = (p & VDSO_CPUNODE_MASK);
diff --git a/arch/x86/kernel/uprobes.c b/arch/x86/kernel/uprobes.c
index 6c07f6daaa227a..6b431589305bcb 100644
--- a/arch/x86/kernel/uprobes.c
+++ b/arch/x86/kernel/uprobes.c
@@ -1097,3 +1097,27 @@ bool arch_uretprobe_is_alive(struct return_instance *ret, enum rp_check ctx,
 	else
 		return regs->sp <= ret->stack;
 }
+
+#ifdef CONFIG_IA32_EMULATION
+unsigned long arch_uprobe_get_xol_area(void)
+{
+	struct thread_info *ti = current_thread_info();
+	unsigned long vaddr;
+
+	/*
+	 * HACK: we are not in a syscall, but x86 get_unmapped_area() paths
+	 * ignore TIF_ADDR32 and rely on in_32bit_syscall() to calculate
+	 * vm_unmapped_area_info.high_limit.
+	 *
+	 * The #ifdef above doesn't cover the CONFIG_X86_X32_ABI=y case,
+	 * but in this case in_32bit_syscall() -> in_x32_syscall() always
+	 * (falsely) returns true because ->orig_ax == -1.
+	 */
+	if (test_thread_flag(TIF_ADDR32))
+		ti->status |= TS_COMPAT;
+	vaddr = get_unmapped_area(NULL, TASK_SIZE - PAGE_SIZE, PAGE_SIZE, 0, 0);
+	ti->status &= ~TS_COMPAT;
+
+	return vaddr;
+}
+#endif
diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c
index cd6c7b302f1357..189084b317470a 100644
--- a/arch/x86/kvm/svm/nested.c
+++ b/arch/x86/kvm/svm/nested.c
@@ -128,11 +128,13 @@ void recalc_intercepts(struct vcpu_svm *svm)
 	struct vmcb_control_area *c, *h, *g;
 	unsigned int i;
 
-	vmcb_mark_dirty(svm->vmcb, VMCB_INTERCEPTS);
+	vmcb_mark_dirty(svm->vmcb01.ptr, VMCB_INTERCEPTS);
 
 	if (!is_guest_mode(&svm->vcpu))
 		return;
 
+	vmcb_mark_dirty(svm->vmcb, VMCB_INTERCEPTS);
+
 	c = &svm->vmcb->control;
 	h = &svm->vmcb01.ptr->control;
 	g = &svm->nested.ctl;
@@ -254,6 +256,10 @@ static bool nested_vmcb_check_controls(struct kvm_vcpu *vcpu,
 	if (CC((control->nested_ctl & SVM_NESTED_CTL_NP_ENABLE) && !npt_enabled))
 		return false;
 
+	if (CC((control->nested_ctl & SVM_NESTED_CTL_NP_ENABLE) &&
+	       !kvm_vcpu_is_legal_gpa(vcpu, control->nested_cr3)))
+		return false;
+
 	if (CC(!nested_svm_check_bitmap_pa(vcpu, control->msrpm_base_pa,
 					   MSRPM_SIZE)))
 		return false;
@@ -336,6 +342,7 @@ void nested_sync_control_from_vmcb02(struct vcpu_svm *svm)
 	u32 mask;
 	svm->nested.ctl.event_inj      = svm->vmcb->control.event_inj;
 	svm->nested.ctl.event_inj_err  = svm->vmcb->control.event_inj_err;
+	svm->nested.ctl.int_state	= svm->vmcb->control.int_state;
 
 	/* Only a few fields of int_ctl are written by the processor.  */
 	mask = V_IRQ_MASK | V_TPR_MASK;
@@ -648,12 +655,9 @@ int nested_svm_vmrun(struct kvm_vcpu *vcpu)
 	}
 
 	vmcb12_gpa = svm->vmcb->save.rax;
-	ret = kvm_vcpu_map(vcpu, gpa_to_gfn(vmcb12_gpa), &map);
-	if (ret == -EINVAL) {
+	if (kvm_vcpu_map(vcpu, gpa_to_gfn(vmcb12_gpa), &map)) {
 		kvm_inject_gp(vcpu, 0);
 		return 1;
-	} else if (ret) {
-		return kvm_skip_emulated_instruction(vcpu);
 	}
 
 	ret = kvm_skip_emulated_instruction(vcpu);
@@ -671,6 +675,7 @@ int nested_svm_vmrun(struct kvm_vcpu *vcpu)
 		vmcb12->control.exit_code_hi = -1u;
 		vmcb12->control.exit_info_1  = 0;
 		vmcb12->control.exit_info_2  = 0;
+		svm_set_gif(svm, false);
 		goto out;
 	}
 
@@ -1386,6 +1391,12 @@ static int svm_set_nested_state(struct kvm_vcpu *vcpu,
 	svm_switch_vmcb(svm, &svm->nested.vmcb02);
 	nested_vmcb02_prepare_control(svm);
 
+	/*
+	 * Any previously restored state (e.g. KVM_SET_SREGS) would mark fields
+	 * dirty in vmcb01 instead of vmcb02, so mark all of vmcb02 dirty here.
+	 */
+	vmcb_mark_all_dirty(svm->vmcb);
+
 	/*
 	 * While the nested guest CR3 is already checked and set by
 	 * KVM_SET_SREGS, it was set when nested state was yet loaded,
@@ -1398,6 +1409,9 @@ static int svm_set_nested_state(struct kvm_vcpu *vcpu,
 		goto out_free;
 
 
+	if (kvm_vcpu_apicv_active(vcpu))
+		kvm_make_request(KVM_REQ_APICV_UPDATE, vcpu);
+
 	kvm_make_request(KVM_REQ_GET_NESTED_STATE_PAGES, vcpu);
 	ret = 0;
 out_free:
diff --git a/arch/x86/kvm/svm/sev.c b/arch/x86/kvm/svm/sev.c
index 0f3d29f83c58fb..c40a65056aa8c4 100644
--- a/arch/x86/kvm/svm/sev.c
+++ b/arch/x86/kvm/svm/sev.c
@@ -388,10 +388,16 @@ static struct page **sev_pin_memory(struct kvm *kvm, unsigned long uaddr,
 	if (ulen == 0 || uaddr + ulen < uaddr)
 		return ERR_PTR(-EINVAL);
 
-	/* Calculate number of pages. */
+	/*
+	 * Calculate the number of pages that need to be pinned to cover the
+	 * entire range.  Note!  This isn't simply ulen >> PAGE_SHIFT, as KVM
+	 * doesn't require the incoming address+size to be page aligned!
+	 */
 	first = (uaddr & PAGE_MASK) >> PAGE_SHIFT;
 	last = ((uaddr + ulen - 1) & PAGE_MASK) >> PAGE_SHIFT;
 	npages = (last - first + 1);
+	if (npages > INT_MAX)
+		return ERR_PTR(-EINVAL);
 
 	locked = sev->pages_locked + npages;
 	lock_limit = rlimit(RLIMIT_MEMLOCK) >> PAGE_SHIFT;
@@ -400,9 +406,6 @@ static struct page **sev_pin_memory(struct kvm *kvm, unsigned long uaddr,
 		return ERR_PTR(-ENOMEM);
 	}
 
-	if (WARN_ON_ONCE(npages > INT_MAX))
-		return ERR_PTR(-EINVAL);
-
 	/* Avoid using vmalloc for smaller buffers. */
 	size = npages * sizeof(struct page *);
 	if (size > PAGE_SIZE)
diff --git a/arch/x86/kvm/svm/svm.c b/arch/x86/kvm/svm/svm.c
index 1687b74a1a4d80..16d2b697dc6316 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -2363,6 +2363,9 @@ static int invlpga_interception(struct kvm_vcpu *vcpu)
 	gva_t gva = kvm_rax_read(vcpu);
 	u32 asid = kvm_rcx_read(vcpu);
 
+	if (nested_svm_check_permissions(vcpu))
+		return 1;
+
 	/* FIXME: Handle an address size prefix. */
 	if (!is_long_mode(vcpu))
 		gva = (u32)gva;
diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h
index c41506ed8c7dd3..a10e0834d1c6f0 100644
--- a/arch/x86/kvm/trace.h
+++ b/arch/x86/kvm/trace.h
@@ -133,7 +133,7 @@ TRACE_EVENT(kvm_xen_hypercall,
 		__entry->a2 = a2;
 		__entry->a3 = a3;
 		__entry->a4 = a4;
-		__entry->a4 = a5;
+		__entry->a5 = a5;
 	),
 
 	TP_printk("nr 0x%lx a0 0x%lx a1 0x%lx a2 0x%lx a3 0x%lx a4 0x%lx a5 %lx",
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 785cd9b4283ac3..bbfc8ccf4fcd99 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -6971,7 +6971,13 @@ static int emulator_read_write_onepage(unsigned long addr, void *val,
 	WARN_ON(vcpu->mmio_nr_fragments >= KVM_MAX_MMIO_FRAGMENTS);
 	frag = &vcpu->mmio_fragments[vcpu->mmio_nr_fragments++];
 	frag->gpa = gpa;
-	frag->data = val;
+	if (write && bytes <= 8u) {
+		frag->val = 0;
+		frag->data = &frag->val;
+		memcpy(&frag->val, val, bytes);
+	} else {
+		frag->data = val;
+	}
 	frag->len = bytes;
 	return X86EMUL_CONTINUE;
 }
@@ -6986,6 +6992,9 @@ static int emulator_read_write(struct x86_emulate_ctxt *ctxt,
 	gpa_t gpa;
 	int rc;
 
+	if (WARN_ON_ONCE((bytes > 8u || !ops->write) && object_is_on_stack(val)))
+		return X86EMUL_UNHANDLEABLE;
+
 	if (ops->read_write_prepare &&
 		  ops->read_write_prepare(vcpu, val, bytes))
 		return X86EMUL_CONTINUE;
@@ -10268,6 +10277,9 @@ static int complete_emulated_mmio(struct kvm_vcpu *vcpu)
 		frag++;
 		vcpu->mmio_cur_fragment++;
 	} else {
+		if (WARN_ON_ONCE(frag->data == &frag->val))
+			return -EIO;
+
 		/* Go forward to the next mmio piece. */
 		frag->data += len;
 		frag->gpa += len;
@@ -10605,6 +10617,8 @@ int kvm_arch_vcpu_ioctl_get_mpstate(struct kvm_vcpu *vcpu,
 	if (kvm_mpx_supported())
 		kvm_load_guest_fpu(vcpu);
 
+	vcpu->srcu_idx = srcu_read_lock(&vcpu->kvm->srcu);
+
 	r = kvm_apic_accept_events(vcpu);
 	if (r < 0)
 		goto out;
@@ -10618,6 +10632,8 @@ int kvm_arch_vcpu_ioctl_get_mpstate(struct kvm_vcpu *vcpu,
 		mp_state->mp_state = vcpu->arch.mp_state;
 
 out:
+	srcu_read_unlock(&vcpu->kvm->srcu, vcpu->srcu_idx);
+
 	if (kvm_mpx_supported())
 		kvm_put_guest_fpu(vcpu);
 	vcpu_put(vcpu);
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 48827708200b32..17795b3ae7f332 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -3732,14 +3732,14 @@ static bool blk_mq_elv_switch_none(struct list_head *head,
 
 	mutex_lock(&q->sysfs_lock);
 	/*
-	 * After elevator_switch_mq, the previous elevator_queue will be
+	 * After elevator_switch, the previous elevator_queue will be
 	 * released by elevator_release. The reference of the io scheduler
 	 * module get by elevator_get will also be put. So we need to get
 	 * a reference of the io scheduler module here to prevent it to be
 	 * removed.
 	 */
 	__module_get(qe->type->elevator_owner);
-	elevator_switch_mq(q, NULL);
+	elevator_switch(q, NULL);
 	mutex_unlock(&q->sysfs_lock);
 
 	return true;
@@ -3764,7 +3764,7 @@ static void blk_mq_elv_switch_back(struct list_head *head,
 	kfree(qe);
 
 	mutex_lock(&q->sysfs_lock);
-	elevator_switch_mq(q, t);
+	elevator_switch(q, t);
 	mutex_unlock(&q->sysfs_lock);
 }
 
diff --git a/block/blk.h b/block/blk.h
index e90a5e3485128a..07f571e1ece0ad 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -189,8 +189,7 @@ void blk_account_io_done(struct request *req, u64 now);
 
 void blk_insert_flush(struct request *rq);
 
-int elevator_switch_mq(struct request_queue *q,
-			      struct elevator_type *new_e);
+int elevator_switch(struct request_queue *q, struct elevator_type *new_e);
 void __elevator_exit(struct request_queue *, struct elevator_queue *);
 int elv_register_queue(struct request_queue *q, bool uevent);
 void elv_unregister_queue(struct request_queue *q);
diff --git a/block/elevator.c b/block/elevator.c
index a98e8356f1b87f..0d1edf1f050380 100644
--- a/block/elevator.c
+++ b/block/elevator.c
@@ -581,7 +581,7 @@ void elv_unregister(struct elevator_type *e)
 }
 EXPORT_SYMBOL_GPL(elv_unregister);
 
-int elevator_switch_mq(struct request_queue *q,
+static int elevator_switch_mq(struct request_queue *q,
 			      struct elevator_type *new_e)
 {
 	int ret;
@@ -719,7 +719,7 @@ void elevator_init_mq(struct request_queue *q)
  * need for the new one. this way we have a chance of going back to the old
  * one, if the new one fails init for some reason.
  */
-static int elevator_switch(struct request_queue *q, struct elevator_type *new_e)
+int elevator_switch(struct request_queue *q, struct elevator_type *new_e)
 {
 	int err;
 
diff --git a/crypto/af_alg.c b/crypto/af_alg.c
index 8f7cf57da8f630..b66a1681692d6e 100644
--- a/crypto/af_alg.c
+++ b/crypto/af_alg.c
@@ -478,6 +478,8 @@ static int af_alg_cmsg_send(struct msghdr *msg, struct af_alg_control *con)
 			if (cmsg->cmsg_len < CMSG_LEN(sizeof(u32)))
 				return -EINVAL;
 			con->aead_assoclen = *(u32 *)CMSG_DATA(cmsg);
+			if (con->aead_assoclen >= 0x80000000u)
+				return -EINVAL;
 			break;
 
 		default:
diff --git a/crypto/authencesn.c b/crypto/authencesn.c
index 2154d4ab5c9522..cbffb35552190b 100644
--- a/crypto/authencesn.c
+++ b/crypto/authencesn.c
@@ -400,6 +400,11 @@ static int crypto_authenc_esn_create(struct crypto_template *tmpl,
 	auth = crypto_spawn_ahash_alg(&ctx->auth);
 	auth_base = &auth->base;
 
+	if (auth->digestsize > 0 && auth->digestsize < 4) {
+		err = -EINVAL;
+		goto err_free_inst;
+	}
+
 	err = crypto_grab_skcipher(&ctx->enc, aead_crypto_instance(inst),
 				   crypto_attr_alg_name(tb[2]), 0, mask);
 	if (err)
diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c
index 2d7f98709e97c7..d545549e7a1a93 100644
--- a/crypto/pcrypt.c
+++ b/crypto/pcrypt.c
@@ -69,6 +69,9 @@ static void pcrypt_aead_done(struct crypto_async_request *areq, int err)
 	struct pcrypt_request *preq = aead_request_ctx(req);
 	struct padata_priv *padata = pcrypt_request_padata(preq);
 
+	if (err == -EINPROGRESS)
+		return;
+
 	padata->info = err;
 
 	padata_do_serial(padata);
@@ -82,7 +85,7 @@ static void pcrypt_aead_enc(struct padata_priv *padata)
 
 	ret = crypto_aead_encrypt(req);
 
-	if (ret == -EINPROGRESS)
+	if (ret == -EINPROGRESS || ret == -EBUSY)
 		return;
 
 	padata->info = ret;
@@ -133,7 +136,7 @@ static void pcrypt_aead_dec(struct padata_priv *padata)
 
 	ret = crypto_aead_decrypt(req);
 
-	if (ret == -EINPROGRESS)
+	if (ret == -EINPROGRESS || ret == -EBUSY)
 		return;
 
 	padata->info = ret;
diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c
index 572d4d3815faef..f86e68863a24ae 100644
--- a/drivers/acpi/cppc_acpi.c
+++ b/drivers/acpi/cppc_acpi.c
@@ -336,7 +336,7 @@ static int send_pcc_cmd(int pcc_ss_id, u16 cmd)
 end:
 	if (cmd == CMD_WRITE) {
 		if (unlikely(ret)) {
-			for_each_online_cpu(i) {
+			for_each_possible_cpu(i) {
 				struct cpc_desc *desc = per_cpu(cpc_desc_ptr, i);
 
 				if (!desc)
@@ -477,13 +477,13 @@ int acpi_get_psd_map(unsigned int cpu, struct cppc_cpudata *cpu_data)
 	else if (pdomain->coord_type == DOMAIN_COORD_TYPE_SW_ANY)
 		cpu_data->shared_type = CPUFREQ_SHARED_TYPE_ANY;
 
-	for_each_online_cpu(i) {
+	for_each_possible_cpu(i) {
 		if (i == cpu)
 			continue;
 
 		match_cpc_ptr = per_cpu(cpc_desc_ptr, i);
 		if (!match_cpc_ptr)
-			goto err_fault;
+			continue;
 
 		match_pdomain = &(match_cpc_ptr->domain_info);
 		if (match_pdomain->domain != pdomain->domain)
diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c
index c95eedd58f5bfa..209a13ca823d88 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -962,7 +962,7 @@ struct acpi_device *acpi_add_power_resource(acpi_handle handle)
 	return device;
 
  err:
-	acpi_release_power_resource(&device->dev);
+	acpi_dev_put(device);
 	return NULL;
 }
 
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 151c57c7bb3a48..389457772ded9f 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1824,7 +1824,7 @@ static int acpi_add_single_object(struct acpi_device **child,
 		result = __acpi_device_add(device, acpi_device_release);
 
 	if (result) {
-		acpi_device_release(&device->dev);
+		acpi_dev_put(device);
 		return result;
 	}
 
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 0ecc47e273140a..5cf5d858b41a3d 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -154,6 +154,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
 		DMI_MATCH(DMI_PRODUCT_NAME, "VPCEH3U1E"),
 		},
 	},
+	{
+	 .callback = video_detect_force_native,
+	 /* HP OMEN Gaming Laptop 16-n0xxx */
+	 .matches = {
+		DMI_MATCH(DMI_SYS_VENDOR, "HP"),
+		DMI_MATCH(DMI_PRODUCT_NAME, "OMEN by HP Gaming Laptop 16-n0xxx"),
+		},
+	},
 
 	/*
 	 * These models have a working acpi_video backlight control, and using
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 408a25956f6e04..d87b0da31dc25a 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -61,6 +61,7 @@ enum board_ids {
 	/* board IDs for specific chipsets in alphabetical order */
 	board_ahci_al,
 	board_ahci_avn,
+	board_ahci_jmb585,
 	board_ahci_mcp65,
 	board_ahci_mcp77,
 	board_ahci_mcp89,
@@ -200,6 +201,15 @@ static const struct ata_port_info ahci_port_info[] = {
 		.udma_mask	= ATA_UDMA6,
 		.port_ops	= &ahci_avn_ops,
 	},
+	/* JMicron JMB582/585: 64-bit DMA is broken, force 32-bit */
+	[board_ahci_jmb585] = {
+		AHCI_HFLAGS	(AHCI_HFLAG_IGN_IRQ_IF_ERR |
+				 AHCI_HFLAG_32BIT_ONLY),
+		.flags		= AHCI_FLAG_COMMON,
+		.pio_mask	= ATA_PIO4,
+		.udma_mask	= ATA_UDMA6,
+		.port_ops	= &ahci_ops,
+	},
 	[board_ahci_mcp65] = {
 		AHCI_HFLAGS	(AHCI_HFLAG_NO_FPDMA_AA | AHCI_HFLAG_NO_PMP |
 				 AHCI_HFLAG_YES_NCQ),
@@ -436,6 +446,10 @@ static const struct pci_device_id ahci_pci_tbl[] = {
 	/* Elkhart Lake IDs 0x4b60 & 0x4b62 https://sata-io.org/product/8803 not tested yet */
 	{ PCI_VDEVICE(INTEL, 0x4b63), board_ahci_low_power }, /* Elkhart Lake AHCI */
 
+	/* JMicron JMB582/585: force 32-bit DMA (broken 64-bit implementation) */
+	{ PCI_VDEVICE(JMICRON, 0x0582), board_ahci_jmb585 },
+	{ PCI_VDEVICE(JMICRON, 0x0585), board_ahci_jmb585 },
+
 	/* JMicron 360/1/3/5/6, match class to avoid IDE function */
 	{ PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
 	  PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci_ign_iferr },
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 4fc62624a95e2c..d11cf07e1441c6 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -171,7 +171,7 @@ void fw_devlink_purge_absent_suppliers(struct fwnode_handle *fwnode)
 	if (fwnode->dev)
 		return;
 
-	fwnode->flags |= FWNODE_FLAG_NOT_DEVICE;
+	fwnode_set_flag(fwnode, FWNODE_FLAG_NOT_DEVICE);
 	fwnode_links_purge_consumers(fwnode);
 
 	fwnode_for_each_available_child_node(fwnode, child)
@@ -1620,11 +1620,11 @@ bool fw_devlink_is_strict(void)
 
 static void fw_devlink_parse_fwnode(struct fwnode_handle *fwnode)
 {
-	if (fwnode->flags & FWNODE_FLAG_LINKS_ADDED)
+	if (fwnode_test_flag(fwnode, FWNODE_FLAG_LINKS_ADDED))
 		return;
 
 	fwnode_call_int_op(fwnode, add_links);
-	fwnode->flags |= FWNODE_FLAG_LINKS_ADDED;
+	fwnode_set_flag(fwnode, FWNODE_FLAG_LINKS_ADDED);
 }
 
 static void fw_devlink_parse_fwtree(struct fwnode_handle *fwnode)
@@ -1765,7 +1765,7 @@ static int fw_devlink_create_devlink(struct device *con,
 	 * When such a flag is set, we can't create device links where P is the
 	 * supplier of C as that would delay the probe of C.
 	 */
-	if (sup_handle->flags & FWNODE_FLAG_NEEDS_CHILD_BOUND_ON_ADD &&
+	if (fwnode_test_flag(sup_handle, FWNODE_FLAG_NEEDS_CHILD_BOUND_ON_ADD) &&
 	    fwnode_is_ancestor_of(sup_handle, con->fwnode))
 		return -EINVAL;
 
@@ -1777,7 +1777,7 @@ static int fw_devlink_create_devlink(struct device *con,
 		 * supplier device indefinitely.
 		 */
 		if (sup_dev->links.status == DL_DEV_NO_DRIVER &&
-		    sup_handle->flags & FWNODE_FLAG_INITIALIZED) {
+		    fwnode_test_flag(sup_handle, FWNODE_FLAG_INITIALIZED)) {
 			ret = -EINVAL;
 			goto out;
 		}
@@ -1802,7 +1802,7 @@ static int fw_devlink_create_devlink(struct device *con,
 	}
 
 	/* Supplier that's already initialized without a struct device. */
-	if (sup_handle->flags & FWNODE_FLAG_INITIALIZED)
+	if (fwnode_test_flag(sup_handle, FWNODE_FLAG_INITIALIZED))
 		return -EINVAL;
 
 	/*
@@ -3409,6 +3409,21 @@ int device_add(struct device *dev)
 		fw_devlink_link_device(dev);
 	}
 
+	/*
+	 * The moment the device was linked into the bus's "klist_devices" in
+	 * bus_add_device() then it's possible that probe could have been
+	 * attempted in a different thread via userspace loading a driver
+	 * matching the device. "ready_to_probe" being unset would have
+	 * blocked those attempts. Now that all of the above initialization has
+	 * happened, unblock probe. If probe happens through another thread
+	 * after this point but before bus_probe_device() runs then it's fine.
+	 * bus_probe_device() -> device_initial_probe() -> __device_attach()
+	 * will notice (under device_lock) that the device is already bound.
+	 */
+	device_lock(dev);
+	dev_set_ready_to_probe(dev);
+	device_unlock(dev);
+
 	bus_probe_device(dev);
 
 	/*
@@ -3604,9 +3619,21 @@ void device_del(struct device *dev)
 	device_remove_properties(dev);
 	device_links_purge(dev);
 
+	/*
+	 * If a device does not have a driver attached, we need to clean
+	 * up any managed resources. We do this in device_release(), but
+	 * it's never called (and we leak the device) if a managed
+	 * resource holds a reference to the device. So release all
+	 * managed resources here, like we do in driver_detach(). We
+	 * still need to do so again in device_release() in case someone
+	 * adds a new resource after this point, though.
+	 */
+	devres_release_all(dev);
+
 	if (dev->bus)
 		blocking_notifier_call_chain(&dev->bus->p->bus_notifier,
 					     BUS_NOTIFY_REMOVED_DEVICE, dev);
+
 	kobject_uevent(&dev->kobj, KOBJ_REMOVE);
 	glue_dir = get_glue_dir(dev);
 	kobject_del(&dev->kobj);
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 0bd166ad6f130c..daa5ef3f38e92f 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -740,6 +740,26 @@ static int __driver_probe_device(struct device_driver *drv, struct device *dev)
 	if (dev->driver)
 		return -EBUSY;
 
+	/*
+	 * In device_add(), the "struct device" gets linked into the subsystem's
+	 * list of devices and broadcast to userspace (via uevent) before we're
+	 * quite ready to probe. Those open pathways to driver probe before
+	 * we've finished enough of device_add() to reliably support probe.
+	 * Detect this and tell other pathways to try again later. device_add()
+	 * itself will also try to probe immediately after setting
+	 * "ready_to_probe".
+	 */
+	if (!dev_ready_to_probe(dev))
+		return dev_err_probe(dev, -EPROBE_DEFER, "Device not ready to probe\n");
+
+	/*
+	 * Set can_match = true after calling dev_ready_to_probe(), so
+	 * driver_deferred_probe_add() won't actually add the device to the
+	 * deferred probe list when dev_ready_to_probe() returns false.
+	 *
+	 * When dev_ready_to_probe() returns false, it means that device_add()
+	 * will do another probe() attempt for us.
+	 */
 	dev->can_match = true;
 	pr_debug("bus: '%s': %s: matched device %s with driver %s\n",
 		 drv->bus->name, __func__, dev_name(dev), drv->name);
diff --git a/drivers/base/devres.c b/drivers/base/devres.c
index 58e8e2be26ac7c..6e4b43c5c30757 100644
--- a/drivers/base/devres.c
+++ b/drivers/base/devres.c
@@ -907,6 +907,8 @@ void *devm_krealloc(struct device *dev, void *ptr, size_t new_size, gfp_t gfp)
 	if (!new_dr)
 		return NULL;
 
+	set_node_dbginfo(&new_dr->node, "devm_krealloc_release", new_size);
+
 	/*
 	 * The spinlock protects the linked list against concurrent
 	 * modifications but not the resource itself.
diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index 69184cf17b6ad1..6d2093c2c51b78 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -3424,8 +3424,10 @@ int drbd_adm_dump_devices(struct sk_buff *skb, struct netlink_callback *cb)
 		if (resource_filter) {
 			retcode = ERR_RES_NOT_KNOWN;
 			resource = drbd_find_resource(nla_data(resource_filter));
-			if (!resource)
+			if (!resource) {
+				rcu_read_lock();
 				goto put_result;
+			}
 			cb->args[0] = (long)resource;
 		}
 	}
@@ -3674,8 +3676,10 @@ int drbd_adm_dump_peer_devices(struct sk_buff *skb, struct netlink_callback *cb)
 		if (resource_filter) {
 			retcode = ERR_RES_NOT_KNOWN;
 			resource = drbd_find_resource(nla_data(resource_filter));
-			if (!resource)
+			if (!resource) {
+				rcu_read_lock();
 				goto put_result;
+			}
 		}
 		cb->args[0] = (long)resource;
 	}
diff --git a/drivers/bluetooth/hci_ldisc.c b/drivers/bluetooth/hci_ldisc.c
index 46b37d825d1850..f0fb84352fcdea 100644
--- a/drivers/bluetooth/hci_ldisc.c
+++ b/drivers/bluetooth/hci_ldisc.c
@@ -194,7 +194,15 @@ void hci_uart_init_work(struct work_struct *work)
 	err = hci_register_dev(hu->hdev);
 	if (err < 0) {
 		BT_ERR("Can't register HCI device");
+
+		percpu_down_write(&hu->proto_lock);
 		clear_bit(HCI_UART_PROTO_READY, &hu->flags);
+		percpu_up_write(&hu->proto_lock);
+
+		/* Safely cancel work after clearing flags */
+		cancel_work_sync(&hu->write_work);
+
+		/* Close protocol before freeing hdev */
 		hu->proto->close(hu);
 		hdev = hu->hdev;
 		hu->hdev = NULL;
@@ -263,8 +271,12 @@ static int hci_uart_open(struct hci_dev *hdev)
 /* Close device */
 static int hci_uart_close(struct hci_dev *hdev)
 {
+	struct hci_uart *hu = hci_get_drvdata(hdev);
+
 	BT_DBG("hdev %p", hdev);
 
+	cancel_work_sync(&hu->write_work);
+
 	hci_uart_flush(hdev);
 	hdev->flush = NULL;
 	return 0;
@@ -525,6 +537,7 @@ static void hci_uart_tty_close(struct tty_struct *tty)
 {
 	struct hci_uart *hu = tty->disc_data;
 	struct hci_dev *hdev;
+	bool proto_ready;
 
 	BT_DBG("tty %p", tty);
 
@@ -534,24 +547,38 @@ static void hci_uart_tty_close(struct tty_struct *tty)
 	if (!hu)
 		return;
 
-	hdev = hu->hdev;
-	if (hdev)
-		hci_uart_close(hdev);
+	/* Wait for init_ready to finish to prevent registration races */
+	cancel_work_sync(&hu->init_ready);
 
-	if (test_bit(HCI_UART_PROTO_READY, &hu->flags)) {
+	proto_ready = test_bit(HCI_UART_PROTO_READY, &hu->flags);
+	if (proto_ready) {
 		percpu_down_write(&hu->proto_lock);
 		clear_bit(HCI_UART_PROTO_READY, &hu->flags);
 		percpu_up_write(&hu->proto_lock);
+	}
 
-		cancel_work_sync(&hu->init_ready);
-		cancel_work_sync(&hu->write_work);
+	/*
+	 * Unconditionally cancel write_work AFTER clearing PROTO_READY.
+	 * This ensures that concurrent protocol timers cannot requeue
+	 * write_work via hci_uart_tx_wakeup(), permanently preventing
+	 * double-free races and UAFs.
+	 */
+	cancel_work_sync(&hu->write_work);
 
+	hdev = hu->hdev;
+	if (hdev)
+		hci_uart_close(hdev); /* proto->flush is safely skipped */
+
+	if (proto_ready) {
 		if (hdev) {
 			if (test_bit(HCI_UART_REGISTERED, &hu->flags))
 				hci_unregister_dev(hdev);
-			hci_free_dev(hdev);
 		}
+		/* Close protocol before freeing hdev (intrinsically purges queues) */
 		hu->proto->close(hu);
+
+		if (hdev)
+			hci_free_dev(hdev);
 	}
 	clear_bit(HCI_UART_PROTO_SET, &hu->flags);
 
@@ -619,11 +646,12 @@ static void hci_uart_tty_receive(struct tty_struct *tty, const u8 *data,
 	 * tty caller
 	 */
 	hu->proto->recv(hu, data, count);
-	percpu_up_read(&hu->proto_lock);
 
 	if (hu->hdev)
 		hu->hdev->stat.byte_rx += count;
 
+	percpu_up_read(&hu->proto_lock);
+
 	tty_unthrottle(tty);
 }
 
@@ -691,6 +719,13 @@ static int hci_uart_register_dev(struct hci_uart *hu)
 
 	if (hci_register_dev(hdev) < 0) {
 		BT_ERR("Can't register HCI device");
+		percpu_down_write(&hu->proto_lock);
+		clear_bit(HCI_UART_PROTO_INIT, &hu->flags);
+		percpu_up_write(&hu->proto_lock);
+		/* Cancel work after clearing flags */
+		cancel_work_sync(&hu->write_work);
+
+		/* Close protocol before freeing hdev */
 		hu->proto->close(hu);
 		hu->hdev = NULL;
 		hci_free_dev(hdev);
diff --git a/drivers/bluetooth/virtio_bt.c b/drivers/bluetooth/virtio_bt.c
index 612f10456849fb..2d060ea6da847b 100644
--- a/drivers/bluetooth/virtio_bt.c
+++ b/drivers/bluetooth/virtio_bt.c
@@ -12,6 +12,7 @@
 #include <net/bluetooth/hci_core.h>
 
 #define VERSION "0.1"
+#define VIRTBT_RX_BUF_SIZE 1000
 
 enum {
 	VIRTBT_VQ_TX,
@@ -33,11 +34,11 @@ static int virtbt_add_inbuf(struct virtio_bluetooth *vbt)
 	struct sk_buff *skb;
 	int err;
 
-	skb = alloc_skb(1000, GFP_KERNEL);
+	skb = alloc_skb(VIRTBT_RX_BUF_SIZE, GFP_KERNEL);
 	if (!skb)
 		return -ENOMEM;
 
-	sg_init_one(sg, skb->data, 1000);
+	sg_init_one(sg, skb->data, VIRTBT_RX_BUF_SIZE);
 
 	err = virtqueue_add_inbuf(vq, sg, 1, skb, GFP_KERNEL);
 	if (err < 0) {
@@ -189,6 +190,7 @@ static int virtbt_shutdown_generic(struct hci_dev *hdev)
 
 static void virtbt_rx_handle(struct virtio_bluetooth *vbt, struct sk_buff *skb)
 {
+	size_t min_hdr;
 	__u8 pkt_type;
 
 	pkt_type = *((__u8 *) skb->data);
@@ -196,16 +198,32 @@ static void virtbt_rx_handle(struct virtio_bluetooth *vbt, struct sk_buff *skb)
 
 	switch (pkt_type) {
 	case HCI_EVENT_PKT:
+		min_hdr = sizeof(struct hci_event_hdr);
+		break;
 	case HCI_ACLDATA_PKT:
+		min_hdr = sizeof(struct hci_acl_hdr);
+		break;
 	case HCI_SCODATA_PKT:
+		min_hdr = sizeof(struct hci_sco_hdr);
+		break;
 	case HCI_ISODATA_PKT:
-		hci_skb_pkt_type(skb) = pkt_type;
-		hci_recv_frame(vbt->hdev, skb);
+		min_hdr = sizeof(struct hci_iso_hdr);
 		break;
 	default:
 		kfree_skb(skb);
-		break;
+		return;
+	}
+
+	if (skb->len < min_hdr) {
+		bt_dev_err_ratelimited(vbt->hdev,
+				       "rx pkt_type 0x%02x payload %u < hdr %zu\n",
+				       pkt_type, skb->len, min_hdr);
+		kfree_skb(skb);
+		return;
 	}
+
+	hci_skb_pkt_type(skb) = pkt_type;
+	hci_recv_frame(vbt->hdev, skb);
 }
 
 static void virtbt_rx_work(struct work_struct *work)
@@ -219,8 +237,15 @@ static void virtbt_rx_work(struct work_struct *work)
 	if (!skb)
 		return;
 
-	skb_put(skb, len);
-	virtbt_rx_handle(vbt, skb);
+	if (!len || len > VIRTBT_RX_BUF_SIZE) {
+		bt_dev_err_ratelimited(vbt->hdev,
+				       "rx reply len %u outside [1, %u]\n",
+				       len, VIRTBT_RX_BUF_SIZE);
+		kfree_skb(skb);
+	} else {
+		skb_put(skb, len);
+		virtbt_rx_handle(vbt, skb);
+	}
 
 	if (virtbt_add_inbuf(vbt) < 0)
 		return;
diff --git a/drivers/bus/fsl-mc/fsl-mc-bus.c b/drivers/bus/fsl-mc/fsl-mc-bus.c
index bd086f8c4faa42..f958d6cfe4793a 100644
--- a/drivers/bus/fsl-mc/fsl-mc-bus.c
+++ b/drivers/bus/fsl-mc/fsl-mc-bus.c
@@ -166,31 +166,14 @@ static ssize_t driver_override_store(struct device *dev,
 				     const char *buf, size_t count)
 {
 	struct fsl_mc_device *mc_dev = to_fsl_mc_device(dev);
-	char *driver_override, *old = mc_dev->driver_override;
-	char *cp;
+	int ret;
 
 	if (WARN_ON(dev->bus != &fsl_mc_bus_type))
 		return -EINVAL;
 
-	if (count >= (PAGE_SIZE - 1))
-		return -EINVAL;
-
-	driver_override = kstrndup(buf, count, GFP_KERNEL);
-	if (!driver_override)
-		return -ENOMEM;
-
-	cp = strchr(driver_override, '\n');
-	if (cp)
-		*cp = '\0';
-
-	if (strlen(driver_override)) {
-		mc_dev->driver_override = driver_override;
-	} else {
-		kfree(driver_override);
-		mc_dev->driver_override = NULL;
-	}
-
-	kfree(old);
+	ret = driver_set_override(dev, &mc_dev->driver_override, buf, count);
+	if (ret)
+		return ret;
 
 	return count;
 }
diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
index bd2e5b1560f525..9ccf6abfff8dbc 100644
--- a/drivers/cdrom/cdrom.c
+++ b/drivers/cdrom/cdrom.c
@@ -636,6 +636,16 @@ int register_cdrom(struct gendisk *disk, struct cdrom_device_info *cdi)
 
 	WARN_ON(!cdo->generic_packet);
 
+	/*
+	 * Propagate the drive's write support to the block layer so BLKROGET
+	 * reflects actual write capability. Drivers that use GET CONFIGURATION
+	 * features (CDC_MRW_W, CDC_RAM) must have called
+	 * cdrom_probe_write_features() before register_cdrom() so the mask is
+	 * complete here.
+	 */
+	set_disk_ro(disk, !CDROM_CAN(CDC_DVD_RAM | CDC_MRW_W | CDC_RAM |
+				     CDC_CD_RW));
+
 	cd_dbg(CD_REG_UNREG, "drive \"/dev/%s\" registered\n", cdi->name);
 	mutex_lock(&cdrom_mutex);
 	list_add(&cdi->list, &cdrom_list);
@@ -747,6 +757,44 @@ static int cdrom_is_random_writable(struct cdrom_device_info *cdi, int *write)
 	return 0;
 }
 
+/*
+ * Probe write-related MMC features via GET CONFIGURATION and update
+ * cdi->mask accordingly. Drivers that populate cdi->mask from the MODE SENSE
+ * capabilities page (e.g. sr) should call this after those MODE SENSE bits
+ * have been set but before register_cdrom(), so that the full set of
+ * write-capability bits is known by the time register_cdrom() decides on the
+ * initial read-only state of the disk.
+ */
+void cdrom_probe_write_features(struct cdrom_device_info *cdi)
+{
+	int mrw, mrw_write, ram_write;
+
+	mrw = 0;
+	if (!cdrom_is_mrw(cdi, &mrw_write))
+		mrw = 1;
+
+	if (CDROM_CAN(CDC_MO_DRIVE))
+		ram_write = 1;
+	else
+		(void) cdrom_is_random_writable(cdi, &ram_write);
+
+	if (mrw)
+		cdi->mask &= ~CDC_MRW;
+	else
+		cdi->mask |= CDC_MRW;
+
+	if (mrw_write)
+		cdi->mask &= ~CDC_MRW_W;
+	else
+		cdi->mask |= CDC_MRW_W;
+
+	if (ram_write)
+		cdi->mask &= ~CDC_RAM;
+	else
+		cdi->mask |= CDC_RAM;
+}
+EXPORT_SYMBOL(cdrom_probe_write_features);
+
 static int cdrom_media_erasable(struct cdrom_device_info *cdi)
 {
 	disc_information di;
@@ -899,33 +947,8 @@ static int cdrom_is_dvd_rw(struct cdrom_device_info *cdi)
  */
 static int cdrom_open_write(struct cdrom_device_info *cdi)
 {
-	int mrw, mrw_write, ram_write;
 	int ret = 1;
 
-	mrw = 0;
-	if (!cdrom_is_mrw(cdi, &mrw_write))
-		mrw = 1;
-
-	if (CDROM_CAN(CDC_MO_DRIVE))
-		ram_write = 1;
-	else
-		(void) cdrom_is_random_writable(cdi, &ram_write);
-	
-	if (mrw)
-		cdi->mask &= ~CDC_MRW;
-	else
-		cdi->mask |= CDC_MRW;
-
-	if (mrw_write)
-		cdi->mask &= ~CDC_MRW_W;
-	else
-		cdi->mask |= CDC_MRW_W;
-
-	if (ram_write)
-		cdi->mask &= ~CDC_RAM;
-	else
-		cdi->mask |= CDC_RAM;
-
 	if (CDROM_CAN(CDC_MRW_W))
 		ret = cdrom_mrw_open_write(cdi);
 	else if (CDROM_CAN(CDC_DVD_RAM))
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index f4360fbddbffe3..aeed2630c8ca7e 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -162,6 +162,10 @@ struct smi_info {
 			     OEM2_DATA_AVAIL)
 	unsigned char       msg_flags;
 
+	/* When requesting events and messages, don't do it forever. */
+	unsigned int        num_requests_in_a_row;
+	bool		    last_was_flag_fetch;
+
 	/* Does the BMC have an event buffer? */
 	bool		    has_event_buffer;
 
@@ -393,7 +397,10 @@ static void start_getting_msg_queue(struct smi_info *smi_info)
 
 	start_new_msg(smi_info, smi_info->curr_msg->data,
 		      smi_info->curr_msg->data_size);
-	smi_info->si_state = SI_GETTING_MESSAGES;
+	if (smi_info->si_state != SI_GETTING_MESSAGES) {
+		smi_info->num_requests_in_a_row = 0;
+		smi_info->si_state = SI_GETTING_MESSAGES;
+	}
 }
 
 static void start_getting_events(struct smi_info *smi_info)
@@ -404,7 +411,10 @@ static void start_getting_events(struct smi_info *smi_info)
 
 	start_new_msg(smi_info, smi_info->curr_msg->data,
 		      smi_info->curr_msg->data_size);
-	smi_info->si_state = SI_GETTING_EVENTS;
+	if (smi_info->si_state != SI_GETTING_EVENTS) {
+		smi_info->num_requests_in_a_row = 0;
+		smi_info->si_state = SI_GETTING_EVENTS;
+	}
 }
 
 /*
@@ -470,15 +480,19 @@ retry:
 	} else if (smi_info->msg_flags & RECEIVE_MSG_AVAIL) {
 		/* Messages available. */
 		smi_info->curr_msg = alloc_msg_handle_irq(smi_info);
-		if (!smi_info->curr_msg)
+		if (!smi_info->curr_msg) {
+			smi_info->si_state = SI_NORMAL;
 			return;
+		}
 
 		start_getting_msg_queue(smi_info);
 	} else if (smi_info->msg_flags & EVENT_MSG_BUFFER_FULL) {
 		/* Events available. */
 		smi_info->curr_msg = alloc_msg_handle_irq(smi_info);
-		if (!smi_info->curr_msg)
+		if (!smi_info->curr_msg) {
+			smi_info->si_state = SI_NORMAL;
 			return;
+		}
 
 		start_getting_events(smi_info);
 	} else if (smi_info->msg_flags & OEM_DATA_AVAIL &&
@@ -578,6 +592,7 @@ static void handle_transaction_done(struct smi_info *smi_info)
 			smi_info->si_state = SI_NORMAL;
 		} else {
 			smi_info->msg_flags = msg[3];
+			smi_info->last_was_flag_fetch = true;
 			handle_flags(smi_info);
 		}
 		break;
@@ -613,7 +628,13 @@ static void handle_transaction_done(struct smi_info *smi_info)
 		 */
 		msg = smi_info->curr_msg;
 		smi_info->curr_msg = NULL;
-		if (msg->rsp[2] != 0) {
+		/*
+		 * It appears some BMCs, with no event data, return no
+		 * data in the message and not a 0x80 error as the
+		 * spec says they should.  Shut down processing if
+		 * the data is not the right length.
+		 */
+		if (msg->rsp[2] != 0 || msg->rsp_size != 19) {
 			/* Error getting event, probably done. */
 			msg->done(msg);
 
@@ -623,6 +644,11 @@ static void handle_transaction_done(struct smi_info *smi_info)
 		} else {
 			smi_inc_stat(smi_info, events);
 
+			smi_info->num_requests_in_a_row++;
+			if (smi_info->num_requests_in_a_row > 10)
+				/* Stop if we do this too many times. */
+				smi_info->msg_flags &= ~EVENT_MSG_BUFFER_FULL;
+
 			/*
 			 * Do this before we deliver the message
 			 * because delivering the message releases the
@@ -661,6 +687,11 @@ static void handle_transaction_done(struct smi_info *smi_info)
 		} else {
 			smi_inc_stat(smi_info, incoming_messages);
 
+			smi_info->num_requests_in_a_row++;
+			if (smi_info->num_requests_in_a_row > 10)
+				/* Stop if we do this too many times. */
+				smi_info->msg_flags &= ~RECEIVE_MSG_AVAIL;
+
 			/*
 			 * Do this before we deliver the message
 			 * because delivering the message releases the
@@ -788,6 +819,26 @@ restart:
 		goto restart;
 	}
 
+	/*
+	 * If we are currently idle, or if the last thing that was
+	 * done was a flag fetch and there is a message pending, try
+	 * to start the next message.
+	 *
+	 * We do the waiting message check to avoid a stuck flag
+	 * completely wedging the driver.  Let a message through
+	 * in between flag operations if that happens.
+	 */
+	if (si_sm_result == SI_SM_IDLE ||
+	    (si_sm_result == SI_SM_ATTN && smi_info->waiting_msg &&
+	     smi_info->last_was_flag_fetch)) {
+		smi_info->last_was_flag_fetch = false;
+		smi_inc_stat(smi_info, idles);
+
+		si_sm_result = start_next_msg(smi_info);
+		if (si_sm_result != SI_SM_IDLE)
+			goto restart;
+	}
+
 	/*
 	 * We prefer handling attn over new messages.  But don't do
 	 * this if there is not yet an upper layer to handle anything.
@@ -821,15 +872,6 @@ restart:
 		}
 	}
 
-	/* If we are currently idle, try to start the next message. */
-	if (si_sm_result == SI_SM_IDLE) {
-		smi_inc_stat(smi_info, idles);
-
-		si_sm_result = start_next_msg(smi_info);
-		if (si_sm_result != SI_SM_IDLE)
-			goto restart;
-	}
-
 	if ((si_sm_result == SI_SM_IDLE)
 	    && (atomic_read(&smi_info->req_events))) {
 		/*
diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c
index 30f757249c5c09..4cbfe1858ab4f2 100644
--- a/drivers/char/ipmi/ipmi_ssif.c
+++ b/drivers/char/ipmi/ipmi_ssif.c
@@ -225,6 +225,9 @@ struct ssif_info {
 	bool		    has_event_buffer;
 	bool		    supports_alert;
 
+	/* When requesting events and messages, don't do it forever. */
+	unsigned int        num_requests_in_a_row;
+
 	/*
 	 * Used to tell what we should do with alerts.  If we are
 	 * waiting on a response, read the data immediately.
@@ -419,7 +422,10 @@ static void start_event_fetch(struct ssif_info *ssif_info, unsigned long *flags)
 	}
 
 	ssif_info->curr_msg = msg;
-	ssif_info->ssif_state = SSIF_GETTING_EVENTS;
+	if (ssif_info->ssif_state != SSIF_GETTING_EVENTS) {
+		ssif_info->num_requests_in_a_row = 0;
+		ssif_info->ssif_state = SSIF_GETTING_EVENTS;
+	}
 	ipmi_ssif_unlock_cond(ssif_info, flags);
 
 	msg->data[0] = (IPMI_NETFN_APP_REQUEST << 2);
@@ -442,7 +448,10 @@ static void start_recv_msg_fetch(struct ssif_info *ssif_info,
 	}
 
 	ssif_info->curr_msg = msg;
-	ssif_info->ssif_state = SSIF_GETTING_MESSAGES;
+	if (ssif_info->ssif_state != SSIF_GETTING_MESSAGES) {
+		ssif_info->num_requests_in_a_row = 0;
+		ssif_info->ssif_state = SSIF_GETTING_MESSAGES;
+	}
 	ipmi_ssif_unlock_cond(ssif_info, flags);
 
 	msg->data[0] = (IPMI_NETFN_APP_REQUEST << 2);
@@ -513,6 +522,16 @@ static int ipmi_ssif_thread(void *data)
 		}
 	}
 
+	/*
+	 * The thread can break out of the loop if stopping is set,
+	 * and this can be before kthread_stop() gets called and thus
+	 * kthread_should_stop() will not be set.  This can cause
+	 * spinning calling this function and other bad things.  So
+	 * wait for kthread_should_stop() to be set.
+	 */
+	while (!kthread_should_stop())
+		msleep_interruptible(1);
+
 	return 0;
 }
 
@@ -851,6 +870,11 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result,
 			ssif_info->msg_flags &= ~EVENT_MSG_BUFFER_FULL;
 			handle_flags(ssif_info, flags);
 		} else {
+			ssif_info->num_requests_in_a_row++;
+			if (ssif_info->num_requests_in_a_row > 10)
+				/* Stop if we do this too many times. */
+				ssif_info->msg_flags &= ~EVENT_MSG_BUFFER_FULL;
+
 			handle_flags(ssif_info, flags);
 			ssif_inc_stat(ssif_info, events);
 			deliver_recv_msg(ssif_info, msg);
@@ -884,6 +908,11 @@ static void msg_done_handler(struct ssif_info *ssif_info, int result,
 			ssif_info->msg_flags &= ~RECEIVE_MSG_AVAIL;
 			handle_flags(ssif_info, flags);
 		} else {
+			ssif_info->num_requests_in_a_row++;
+			if (ssif_info->num_requests_in_a_row > 10)
+				/* Stop if we do this too many times. */
+				ssif_info->msg_flags &= ~RECEIVE_MSG_AVAIL;
+
 			ssif_inc_stat(ssif_info, incoming_messages);
 			handle_flags(ssif_info, flags);
 			deliver_recv_msg(ssif_info, msg);
@@ -1282,6 +1311,7 @@ static void shutdown_ssif(void *send_info)
 	if (ssif_info->thread) {
 		complete(&ssif_info->wake_thread);
 		kthread_stop(ssif_info->thread);
+		ssif_info->thread = NULL;
 	}
 }
 
@@ -1664,6 +1694,7 @@ static int ssif_probe(struct i2c_client *client, const struct i2c_device_id *id)
 	int               len;
 	int               i;
 	u8		  slave_addr = 0;
+	unsigned int      thread_num;
 	struct ssif_addr_info *addr_info = NULL;
 
 	mutex_lock(&ssif_infos_mutex);
@@ -1872,22 +1903,18 @@ static int ssif_probe(struct i2c_client *client, const struct i2c_device_id *id)
 	ssif_info->handlers.request_events = request_events;
 	ssif_info->handlers.set_need_watch = ssif_set_need_watch;
 
-	{
-		unsigned int thread_num;
-
-		thread_num = ((i2c_adapter_id(ssif_info->client->adapter)
-			       << 8) |
-			      ssif_info->client->addr);
-		init_completion(&ssif_info->wake_thread);
-		ssif_info->thread = kthread_run(ipmi_ssif_thread, ssif_info,
-					       "kssif%4.4x", thread_num);
-		if (IS_ERR(ssif_info->thread)) {
-			rv = PTR_ERR(ssif_info->thread);
-			dev_notice(&ssif_info->client->dev,
-				   "Could not start kernel thread: error %d\n",
-				   rv);
-			goto out;
-		}
+	thread_num = ((i2c_adapter_id(ssif_info->client->adapter) << 8) |
+		      ssif_info->client->addr);
+	init_completion(&ssif_info->wake_thread);
+	ssif_info->thread = kthread_run(ipmi_ssif_thread, ssif_info,
+					"kssif%4.4x", thread_num);
+	if (IS_ERR(ssif_info->thread)) {
+		rv = PTR_ERR(ssif_info->thread);
+		ssif_info->thread = NULL;
+		dev_notice(&ssif_info->client->dev,
+			   "Could not start kernel thread: error %d\n",
+			   rv);
+		goto out;
 	}
 
 	dev_set_drvdata(&ssif_info->client->dev, ssif_info);
@@ -1912,6 +1939,17 @@ static int ssif_probe(struct i2c_client *client, const struct i2c_device_id *id)
 
  out:
 	if (rv) {
+		/*
+		 * If ipmi_register_smi() starts the interface, it will
+		 * call shutdown and that will free the thread and set
+		 * it to NULL.  Otherwise it must be freed here.
+		 */
+		if (ssif_info->thread) {
+			ssif_info->stopping = true;
+			complete(&ssif_info->wake_thread);
+			kthread_stop(ssif_info->thread);
+			ssif_info->thread = NULL;
+		}
 		if (addr_info)
 			addr_info->client = NULL;
 
diff --git a/drivers/char/tpm/tpm_tis_core.c b/drivers/char/tpm/tpm_tis_core.c
index c8c68301543b21..16e486337ecbcd 100644
--- a/drivers/char/tpm/tpm_tis_core.c
+++ b/drivers/char/tpm/tpm_tis_core.c
@@ -410,6 +410,8 @@ static int tpm_tis_send_data(struct tpm_chip *chip, const u8 *buf, size_t len)
 		status = tpm_tis_status(chip);
 		if (!itpm && (status & TPM_STS_DATA_EXPECT) == 0) {
 			rc = -EIO;
+			dev_err(&chip->dev, "TPM_STS_DATA_EXPECT should be set. sts = 0x%08x\n",
+				status);
 			goto out_err;
 		}
 	}
@@ -427,6 +429,8 @@ static int tpm_tis_send_data(struct tpm_chip *chip, const u8 *buf, size_t len)
 	status = tpm_tis_status(chip);
 	if (!itpm && (status & TPM_STS_DATA_EXPECT) != 0) {
 		rc = -EIO;
+		dev_err(&chip->dev, "TPM_STS_DATA_EXPECT should be unset. sts = 0x%08x\n",
+			status);
 		goto out_err;
 	}
 
diff --git a/drivers/clk/clk-qoriq.c b/drivers/clk/clk-qoriq.c
index 5eddb9f0d6bdb3..4baec1bf3557f5 100644
--- a/drivers/clk/clk-qoriq.c
+++ b/drivers/clk/clk-qoriq.c
@@ -905,13 +905,11 @@ static const struct clockgen_pll_div *get_pll_div(struct clockgen *cg,
 	return &cg->pll[pll].div[div];
 }
 
-static struct clk * __init create_mux_common(struct clockgen *cg,
-					     struct mux_hwclock *hwc,
-					     const struct clk_ops *ops,
-					     unsigned long min_rate,
-					     unsigned long max_rate,
-					     unsigned long pct80_rate,
-					     const char *fmt, int idx)
+static struct clk * __init __printf(7, 8)
+create_mux_common(struct clockgen *cg, struct mux_hwclock *hwc,
+		  const struct clk_ops *ops, unsigned long min_rate,
+		  unsigned long max_rate, unsigned long pct80_rate,
+		  const char *fmt, ...)
 {
 	struct clk_init_data init = {};
 	struct clk *clk;
@@ -919,8 +917,11 @@ static struct clk * __init create_mux_common(struct clockgen *cg,
 	const char *parent_names[NUM_MUX_PARENTS];
 	char name[32];
 	int i, j;
+	va_list args;
 
-	snprintf(name, sizeof(name), fmt, idx);
+	va_start(args, fmt);
+	vsnprintf(name, sizeof(name), fmt, args);
+	va_end(args);
 
 	for (i = 0, j = 0; i < NUM_MUX_PARENTS; i++) {
 		unsigned long rate;
diff --git a/drivers/clk/clk-xgene.c b/drivers/clk/clk-xgene.c
index 857217cbcef875..7dd3aa955484ac 100644
--- a/drivers/clk/clk-xgene.c
+++ b/drivers/clk/clk-xgene.c
@@ -187,6 +187,8 @@ static void xgene_pllclk_init(struct device_node *np, enum xgene_pll_type pll_ty
 		of_clk_add_provider(np, of_clk_src_simple_get, clk);
 		clk_register_clkdev(clk, clk_name, NULL);
 		pr_debug("Add %s clock PLL\n", clk_name);
+	} else {
+		iounmap(reg);
 	}
 }
 
diff --git a/drivers/clk/imx/clk-imx6q.c b/drivers/clk/imx/clk-imx6q.c
index de36f58d551c0b..a95f07718b6531 100644
--- a/drivers/clk/imx/clk-imx6q.c
+++ b/drivers/clk/imx/clk-imx6q.c
@@ -183,9 +183,11 @@ static void of_assigned_ldb_sels(struct device_node *node,
 		}
 		if (clkspec.np != node || clkspec.args[0] >= IMX6QDL_CLK_END) {
 			pr_err("ccm: parent clock %d not in ccm\n", index);
+			of_node_put(clkspec.np);
 			return;
 		}
 		parent = clkspec.args[0];
+		of_node_put(clkspec.np);
 
 		rc = of_parse_phandle_with_args(node, "assigned-clocks",
 				"#clock-cells", index, &clkspec);
@@ -193,9 +195,11 @@ static void of_assigned_ldb_sels(struct device_node *node,
 			return;
 		if (clkspec.np != node || clkspec.args[0] >= IMX6QDL_CLK_END) {
 			pr_err("ccm: child clock %d not in ccm\n", index);
+			of_node_put(clkspec.np);
 			return;
 		}
 		child = clkspec.args[0];
+		of_node_put(clkspec.np);
 
 		if (child != IMX6QDL_CLK_LDB_DI0_SEL &&
 		    child != IMX6QDL_CLK_LDB_DI1_SEL)
@@ -233,8 +237,11 @@ static bool pll6_bypassed(struct device_node *node)
 			return false;
 
 		if (clkspec.np == node &&
-		    clkspec.args[0] == IMX6QDL_PLL6_BYPASS)
+		    clkspec.args[0] == IMX6QDL_PLL6_BYPASS) {
+			of_node_put(clkspec.np);
 			break;
+		}
+		of_node_put(clkspec.np);
 	}
 
 	/* PLL6 bypass is not part of the assigned clock list */
@@ -244,6 +251,9 @@ static bool pll6_bypassed(struct device_node *node)
 	ret = of_parse_phandle_with_args(node, "assigned-clock-parents",
 					 "#clock-cells", index, &clkspec);
 
+	if (!ret)
+		of_node_put(clkspec.np);
+
 	if (clkspec.args[0] != IMX6QDL_CLK_PLL6)
 		return true;
 
diff --git a/drivers/clk/imx/clk-imx8mq.c b/drivers/clk/imx/clk-imx8mq.c
index 791f6bdd88b8a2..46c4fedd4d9f72 100644
--- a/drivers/clk/imx/clk-imx8mq.c
+++ b/drivers/clk/imx/clk-imx8mq.c
@@ -237,7 +237,7 @@ static const char * const imx8mq_dsi_esc_sels[] = {"osc_25m", "sys2_pll_100m", "
 static const char * const imx8mq_csi1_core_sels[] = {"osc_25m", "sys1_pll_266m", "sys2_pll_250m", "sys1_pll_800m",
 					      "sys2_pll_1000m", "sys3_pll_out", "audio_pll2_out", "video_pll1_out", };
 
-static const char * const imx8mq_csi1_phy_sels[] = {"osc_25m", "sys2_pll_125m", "sys2_pll_100m", "sys1_pll_800m",
+static const char * const imx8mq_csi1_phy_sels[] = {"osc_25m", "sys2_pll_333m", "sys2_pll_100m", "sys1_pll_800m",
 					     "sys2_pll_1000m", "clk_ext2", "audio_pll2_out", "video_pll1_out", };
 
 static const char * const imx8mq_csi1_esc_sels[] = {"osc_25m", "sys2_pll_100m", "sys1_pll_80m", "sys1_pll_800m",
@@ -246,7 +246,7 @@ static const char * const imx8mq_csi1_esc_sels[] = {"osc_25m", "sys2_pll_100m",
 static const char * const imx8mq_csi2_core_sels[] = {"osc_25m", "sys1_pll_266m", "sys2_pll_250m", "sys1_pll_800m",
 					      "sys2_pll_1000m", "sys3_pll_out", "audio_pll2_out", "video_pll1_out", };
 
-static const char * const imx8mq_csi2_phy_sels[] = {"osc_25m", "sys2_pll_125m", "sys2_pll_100m", "sys1_pll_800m",
+static const char * const imx8mq_csi2_phy_sels[] = {"osc_25m", "sys2_pll_333m", "sys2_pll_100m", "sys1_pll_800m",
 					     "sys2_pll_1000m", "clk_ext2", "audio_pll2_out", "video_pll1_out", };
 
 static const char * const imx8mq_csi2_esc_sels[] = {"osc_25m", "sys2_pll_100m", "sys1_pll_80m", "sys1_pll_800m",
diff --git a/drivers/clk/qcom/dispcc-sc7180.c b/drivers/clk/qcom/dispcc-sc7180.c
index 5d2ae297e7413f..040149f24d7985 100644
--- a/drivers/clk/qcom/dispcc-sc7180.c
+++ b/drivers/clk/qcom/dispcc-sc7180.c
@@ -16,6 +16,7 @@
 #include "clk-regmap-divider.h"
 #include "common.h"
 #include "gdsc.h"
+#include "reset.h"
 
 enum {
 	P_BI_TCXO,
@@ -635,6 +636,11 @@ static struct gdsc mdss_gdsc = {
 	.flags = HW_CTRL,
 };
 
+static const struct qcom_reset_map disp_cc_sc7180_resets[] = {
+	[DISP_CC_MDSS_CORE_BCR] = { 0x2000 },
+	[DISP_CC_MDSS_RSCC_BCR] = { 0x4000 },
+};
+
 static struct gdsc *disp_cc_sc7180_gdscs[] = {
 	[MDSS_GDSC] = &mdss_gdsc,
 };
@@ -686,6 +692,8 @@ static const struct qcom_cc_desc disp_cc_sc7180_desc = {
 	.config = &disp_cc_sc7180_regmap_config,
 	.clks = disp_cc_sc7180_clocks,
 	.num_clks = ARRAY_SIZE(disp_cc_sc7180_clocks),
+	.resets = disp_cc_sc7180_resets,
+	.num_resets = ARRAY_SIZE(disp_cc_sc7180_resets),
 	.gdscs = disp_cc_sc7180_gdscs,
 	.num_gdscs = ARRAY_SIZE(disp_cc_sc7180_gdscs),
 };
diff --git a/drivers/clk/qcom/dispcc-sm8250.c b/drivers/clk/qcom/dispcc-sm8250.c
index fc08c326d8026d..2adb38ada9bfba 100644
--- a/drivers/clk/qcom/dispcc-sm8250.c
+++ b/drivers/clk/qcom/dispcc-sm8250.c
@@ -559,7 +559,7 @@ static struct clk_rcg2 disp_cc_mdss_pclk0_clk_src = {
 		.name = "disp_cc_mdss_pclk0_clk_src",
 		.parent_data = disp_cc_parent_data_6,
 		.num_parents = ARRAY_SIZE(disp_cc_parent_data_6),
-		.flags = CLK_SET_RATE_PARENT,
+		.flags = CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
 		.ops = &clk_pixel_ops,
 	},
 };
@@ -573,7 +573,7 @@ static struct clk_rcg2 disp_cc_mdss_pclk1_clk_src = {
 		.name = "disp_cc_mdss_pclk1_clk_src",
 		.parent_data = disp_cc_parent_data_6,
 		.num_parents = ARRAY_SIZE(disp_cc_parent_data_6),
-		.flags = CLK_SET_RATE_PARENT,
+		.flags = CLK_SET_RATE_PARENT | CLK_OPS_PARENT_ENABLE,
 		.ops = &clk_pixel_ops,
 	},
 };
@@ -613,7 +613,7 @@ static struct clk_rcg2 disp_cc_mdss_vsync_clk_src = {
 		.parent_data = disp_cc_parent_data_1,
 		.num_parents = ARRAY_SIZE(disp_cc_parent_data_1),
 		.flags = CLK_SET_RATE_PARENT,
-		.ops = &clk_rcg2_ops,
+		.ops = &clk_rcg2_shared_ops,
 	},
 };
 
diff --git a/drivers/clk/qcom/gcc-sc8180x.c b/drivers/clk/qcom/gcc-sc8180x.c
index ba004281f29440..94da183fad68dd 100644
--- a/drivers/clk/qcom/gcc-sc8180x.c
+++ b/drivers/clk/qcom/gcc-sc8180x.c
@@ -4106,7 +4106,7 @@ static struct gdsc usb30_sec_gdsc = {
 	.pd = {
 		.name = "usb30_sec_gdsc",
 	},
-	.pwrsts = PWRSTS_OFF_ON,
+	.pwrsts = PWRSTS_RET_ON,
 	.flags = POLL_CFG_GDSCR,
 };
 
@@ -4124,7 +4124,7 @@ static struct gdsc usb30_prim_gdsc = {
 	.pd = {
 		.name = "usb30_prim_gdsc",
 	},
-	.pwrsts = PWRSTS_OFF_ON,
+	.pwrsts = PWRSTS_RET_ON,
 	.flags = POLL_CFG_GDSCR,
 };
 
@@ -4133,7 +4133,7 @@ static struct gdsc pcie_0_gdsc = {
 	.pd = {
 		.name = "pcie_0_gdsc",
 	},
-	.pwrsts = PWRSTS_OFF_ON,
+	.pwrsts = PWRSTS_RET_ON,
 	.flags = POLL_CFG_GDSCR,
 };
 
@@ -4160,7 +4160,7 @@ static struct gdsc pcie_1_gdsc = {
 	.pd = {
 		.name = "pcie_1_gdsc",
 	},
-	.pwrsts = PWRSTS_OFF_ON,
+	.pwrsts = PWRSTS_RET_ON,
 	.flags = POLL_CFG_GDSCR,
 };
 
@@ -4169,7 +4169,7 @@ static struct gdsc pcie_2_gdsc = {
 	.pd = {
 		.name = "pcie_2_gdsc",
 	},
-	.pwrsts = PWRSTS_OFF_ON,
+	.pwrsts = PWRSTS_RET_ON,
 	.flags = POLL_CFG_GDSCR,
 };
 
@@ -4187,7 +4187,7 @@ static struct gdsc pcie_3_gdsc = {
 	.pd = {
 		.name = "pcie_3_gdsc",
 	},
-	.pwrsts = PWRSTS_OFF_ON,
+	.pwrsts = PWRSTS_RET_ON,
 	.flags = POLL_CFG_GDSCR,
 };
 
@@ -4196,10 +4196,55 @@ static struct gdsc usb30_mp_gdsc = {
 	.pd = {
 		.name = "usb30_mp_gdsc",
 	},
-	.pwrsts = PWRSTS_OFF_ON,
+	.pwrsts = PWRSTS_RET_ON,
 	.flags = POLL_CFG_GDSCR,
 };
 
+static struct gdsc hlos1_vote_mmnoc_mmu_tbu_hf0_gdsc = {
+	.gdscr = 0x7d050,
+	.pd = {
+		.name = "hlos1_vote_mmnoc_mmu_tbu_hf0_gdsc",
+	},
+	.pwrsts = PWRSTS_OFF_ON,
+	.flags = VOTABLE,
+};
+
+static struct gdsc hlos1_vote_mmnoc_mmu_tbu_hf1_gdsc = {
+	.gdscr = 0x7d058,
+	.pd = {
+		.name = "hlos1_vote_mmnoc_mmu_tbu_hf1_gdsc",
+	},
+	.pwrsts = PWRSTS_OFF_ON,
+	.flags = VOTABLE,
+};
+
+static struct gdsc hlos1_vote_mmnoc_mmu_tbu_sf_gdsc = {
+	.gdscr = 0x7d054,
+	.pd = {
+		.name = "hlos1_vote_mmnoc_mmu_tbu_sf_gdsc",
+	},
+	.pwrsts = PWRSTS_OFF_ON,
+	.flags = VOTABLE,
+};
+
+static struct gdsc hlos1_vote_turing_mmu_tbu0_gdsc = {
+	.gdscr = 0x7d05c,
+	.pd = {
+		.name = "hlos1_vote_turing_mmu_tbu0_gdsc",
+	},
+	.pwrsts = PWRSTS_OFF_ON,
+	.flags = VOTABLE,
+};
+
+static struct gdsc hlos1_vote_turing_mmu_tbu1_gdsc = {
+	.gdscr = 0x7d060,
+	.pd = {
+		.name = "hlos1_vote_turing_mmu_tbu1_gdsc",
+	},
+	.pwrsts = PWRSTS_OFF_ON,
+	.flags = VOTABLE,
+};
+
 static struct clk_regmap *gcc_sc8180x_clocks[] = {
 	[GCC_AGGRE_NOC_PCIE_TBU_CLK] = &gcc_aggre_noc_pcie_tbu_clk.clkr,
 	[GCC_AGGRE_UFS_CARD_AXI_CLK] = &gcc_aggre_ufs_card_axi_clk.clkr,
@@ -4500,6 +4545,11 @@ static struct gdsc *gcc_sc8180x_gdscs[] = {
 	[USB30_MP_GDSC] = &usb30_mp_gdsc,
 	[USB30_PRIM_GDSC] = &usb30_prim_gdsc,
 	[USB30_SEC_GDSC] = &usb30_sec_gdsc,
+	[HLOS1_VOTE_MMNOC_MMU_TBU_HF0_GDSC] = &hlos1_vote_mmnoc_mmu_tbu_hf0_gdsc,
+	[HLOS1_VOTE_MMNOC_MMU_TBU_HF1_GDSC] = &hlos1_vote_mmnoc_mmu_tbu_hf1_gdsc,
+	[HLOS1_VOTE_MMNOC_MMU_TBU_SF_GDSC] = &hlos1_vote_mmnoc_mmu_tbu_sf_gdsc,
+	[HLOS1_VOTE_TURING_MMU_TBU0_GDSC] = &hlos1_vote_turing_mmu_tbu0_gdsc,
+	[HLOS1_VOTE_TURING_MMU_TBU1_GDSC] = &hlos1_vote_turing_mmu_tbu1_gdsc,
 };
 
 static const struct regmap_config gcc_sc8180x_regmap_config = {
diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c
index 8441336b92e045..cbdbd540c02213 100644
--- a/drivers/cpufreq/cpufreq_governor.c
+++ b/drivers/cpufreq/cpufreq_governor.c
@@ -440,7 +440,7 @@ int cpufreq_dbs_governor_init(struct cpufreq_policy *policy)
 
 	ret = gov->init(dbs_data);
 	if (ret)
-		goto free_policy_dbs_info;
+		goto free_dbs_data;
 
 	/*
 	 * The sampling interval should not be less than the transition latency
@@ -468,13 +468,15 @@ int cpufreq_dbs_governor_init(struct cpufreq_policy *policy)
 	/* Failure, so roll back. */
 	pr_err("initialization failed (dbs_data kobject init error %d)\n", ret);
 
-	kobject_put(&dbs_data->attr_set.kobj);
-
 	policy->governor_data = NULL;
 
 	if (!have_governor_per_policy())
 		gov->gdbs_data = NULL;
-	gov->exit(dbs_data);
+
+	kobject_put(&dbs_data->attr_set.kobj);
+	goto free_policy_dbs_info;
+
+free_dbs_data:
 	kfree(dbs_data);
 
 free_policy_dbs_info:
diff --git a/drivers/cpuidle/cpuidle-powernv.c b/drivers/cpuidle/cpuidle-powernv.c
index c32c600b3cf87c..2da48f96f36c25 100644
--- a/drivers/cpuidle/cpuidle-powernv.c
+++ b/drivers/cpuidle/cpuidle-powernv.c
@@ -93,7 +93,10 @@ static int snooze_loop(struct cpuidle_device *dev,
 
 	HMT_medium();
 	ppc64_runlatch_on();
-	clear_thread_flag(TIF_POLLING_NRFLAG);
+
+	/* Avoid double clear when breaking */
+	if (!dev->poll_time_limit)
+		clear_thread_flag(TIF_POLLING_NRFLAG);
 
 	local_irq_disable();
 
diff --git a/drivers/cpuidle/cpuidle-pseries.c b/drivers/cpuidle/cpuidle-pseries.c
index 0590001db65326..df3b511e31dc6c 100644
--- a/drivers/cpuidle/cpuidle-pseries.c
+++ b/drivers/cpuidle/cpuidle-pseries.c
@@ -61,7 +61,10 @@ static int snooze_loop(struct cpuidle_device *dev,
 	}
 
 	HMT_medium();
-	clear_thread_flag(TIF_POLLING_NRFLAG);
+
+       /* Avoid double clear when breaking */
+	if (!dev->poll_time_limit)
+		clear_thread_flag(TIF_POLLING_NRFLAG);
 
 	local_irq_disable();
 
diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c
index fe05584031914b..3d91b3f0e90908 100644
--- a/drivers/crypto/atmel-aes.c
+++ b/drivers/crypto/atmel-aes.c
@@ -2329,7 +2329,7 @@ static int atmel_aes_buff_init(struct atmel_aes_dev *dd)
 
 static void atmel_aes_buff_cleanup(struct atmel_aes_dev *dd)
 {
-	free_page((unsigned long)dd->buf);
+	free_pages((unsigned long)dd->buf, ATMEL_AES_BUFFER_ORDER);
 }
 
 static int atmel_aes_dma_init(struct atmel_aes_dev *dd)
diff --git a/drivers/crypto/atmel-ecc.c b/drivers/crypto/atmel-ecc.c
index 333fbefbbccbd9..e427cb59a162b1 100644
--- a/drivers/crypto/atmel-ecc.c
+++ b/drivers/crypto/atmel-ecc.c
@@ -261,6 +261,7 @@ static int atmel_ecdh_init_tfm(struct crypto_kpp *tfm)
 	if (IS_ERR(fallback)) {
 		dev_err(&ctx->client->dev, "Failed to allocate transformation for '%s': %ld\n",
 			alg, PTR_ERR(fallback));
+		atmel_ecc_i2c_client_free(ctx->client);
 		return PTR_ERR(fallback);
 	}
 
diff --git a/drivers/crypto/atmel-tdes.c b/drivers/crypto/atmel-tdes.c
index 22277b5b586822..2c51b427d0b670 100644
--- a/drivers/crypto/atmel-tdes.c
+++ b/drivers/crypto/atmel-tdes.c
@@ -304,8 +304,8 @@ static int atmel_tdes_crypt_pdc_stop(struct atmel_tdes_dev *dd)
 		dma_unmap_sg(dd->dev, dd->out_sg, 1, DMA_FROM_DEVICE);
 		dma_unmap_sg(dd->dev, dd->in_sg, 1, DMA_TO_DEVICE);
 	} else {
-		dma_sync_single_for_device(dd->dev, dd->dma_addr_out,
-					   dd->dma_size, DMA_FROM_DEVICE);
+		dma_sync_single_for_cpu(dd->dev, dd->dma_addr_out,
+					dd->dma_size, DMA_FROM_DEVICE);
 
 		/* copy data */
 		count = atmel_tdes_sg_copy(&dd->out_sg, &dd->out_offset,
@@ -660,8 +660,8 @@ static int atmel_tdes_crypt_dma_stop(struct atmel_tdes_dev *dd)
 			dma_unmap_sg(dd->dev, dd->out_sg, 1, DMA_FROM_DEVICE);
 			dma_unmap_sg(dd->dev, dd->in_sg, 1, DMA_TO_DEVICE);
 		} else {
-			dma_sync_single_for_device(dd->dev, dd->dma_addr_out,
-				dd->dma_size, DMA_FROM_DEVICE);
+			dma_sync_single_for_cpu(dd->dev, dd->dma_addr_out,
+						dd->dma_size, DMA_FROM_DEVICE);
 
 			/* copy data */
 			count = atmel_tdes_sg_copy(&dd->out_sg, &dd->out_offset,
diff --git a/drivers/crypto/ccp/ccp-crypto-aes.c b/drivers/crypto/ccp/ccp-crypto-aes.c
index e6dcd8cedd53e5..b03ed5e83c3e97 100644
--- a/drivers/crypto/ccp/ccp-crypto-aes.c
+++ b/drivers/crypto/ccp/ccp-crypto-aes.c
@@ -28,8 +28,11 @@ static int ccp_aes_complete(struct crypto_async_request *async_req, int ret)
 	if (ret)
 		return ret;
 
-	if (ctx->u.aes.mode != CCP_AES_MODE_ECB)
-		memcpy(req->iv, rctx->iv, AES_BLOCK_SIZE);
+	if (ctx->u.aes.mode != CCP_AES_MODE_ECB) {
+		size_t ivsize = crypto_skcipher_ivsize(crypto_skcipher_reqtfm(req));
+
+		memcpy(req->iv, rctx->iv, ivsize);
+	}
 
 	return 0;
 }
diff --git a/drivers/crypto/ccp/sev-dev.c b/drivers/crypto/ccp/sev-dev.c
index 5687d891684aa2..c312935642a4ff 100644
--- a/drivers/crypto/ccp/sev-dev.c
+++ b/drivers/crypto/ccp/sev-dev.c
@@ -477,7 +477,10 @@ cmd:
 
 	ret = __sev_do_cmd_locked(SEV_CMD_PEK_CSR, &data, &argp->error);
 
-	 /* If we query the CSR length, FW responded with expected data. */
+	/*
+	 * Firmware will returns the length of the CSR blob (either the minimum
+	 * required length or the actual length written), return it to the user.
+	 */
 	input.length = data.len;
 
 	if (copy_to_user((void __user *)argp->data, &input, sizeof(input))) {
@@ -485,6 +488,9 @@ cmd:
 		goto e_free_blob;
 	}
 
+	if (ret || WARN_ON_ONCE(argp->error))
+		goto e_free_blob;
+
 	if (blob) {
 		if (copy_to_user(input_address, blob, input.length))
 			ret = -EFAULT;
@@ -716,6 +722,9 @@ static int sev_ioctl_do_get_id2(struct sev_issue_cmd *argp)
 		goto e_free;
 	}
 
+	if (ret || WARN_ON_ONCE(argp->error))
+		goto e_free;
+
 	if (id_blob) {
 		if (copy_to_user(input_address, id_blob, data.len)) {
 			ret = -EFAULT;
@@ -830,7 +839,10 @@ static int sev_ioctl_do_pdh_export(struct sev_issue_cmd *argp, bool writable)
 cmd:
 	ret = __sev_do_cmd_locked(SEV_CMD_PDH_CERT_EXPORT, &data, &argp->error);
 
-	/* If we query the length, FW responded with expected data. */
+	/*
+	 * Firmware will return the length of the blobs (either the minimum
+	 * required length or the actual length written), return 'em to the user.
+	 */
 	input.cert_chain_len = data.cert_chain_len;
 	input.pdh_cert_len = data.pdh_cert_len;
 
@@ -839,6 +851,9 @@ cmd:
 		goto e_free_cert;
 	}
 
+	if (ret || WARN_ON_ONCE(argp->error))
+		goto e_free_cert;
+
 	if (pdh_blob) {
 		if (copy_to_user(input_pdh_cert_address,
 				 pdh_blob, input.pdh_cert_len)) {
diff --git a/drivers/crypto/ccree/cc_hash.c b/drivers/crypto/ccree/cc_hash.c
index 683c9a430e11be..84fedcf01bd3fd 100644
--- a/drivers/crypto/ccree/cc_hash.c
+++ b/drivers/crypto/ccree/cc_hash.c
@@ -1448,6 +1448,7 @@ static int cc_mac_digest(struct ahash_request *req)
 	if (cc_map_hash_request_final(ctx->drvdata, state, req->src,
 				      req->nbytes, 1, flags)) {
 		dev_err(dev, "map_ahash_request_final() failed\n");
+		cc_unmap_result(dev, state, digestsize, req->result);
 		cc_unmap_req(dev, state, ctx);
 		return -ENOMEM;
 	}
diff --git a/drivers/crypto/hisilicon/sec/sec_algs.c b/drivers/crypto/hisilicon/sec/sec_algs.c
index 490e1542305e16..99b07eedc23f33 100644
--- a/drivers/crypto/hisilicon/sec/sec_algs.c
+++ b/drivers/crypto/hisilicon/sec/sec_algs.c
@@ -844,7 +844,7 @@ err_free_elements:
 	if (crypto_skcipher_ivsize(atfm))
 		dma_unmap_single(info->dev, sec_req->dma_iv,
 				 crypto_skcipher_ivsize(atfm),
-				 DMA_BIDIRECTIONAL);
+				 DMA_TO_DEVICE);
 err_unmap_out_sg:
 	if (split)
 		sec_unmap_sg_on_err(skreq->dst, steps, splits_out,
diff --git a/drivers/crypto/sa2ul.c b/drivers/crypto/sa2ul.c
index 91ab33690ccf49..05849a1c86f35b 100644
--- a/drivers/crypto/sa2ul.c
+++ b/drivers/crypto/sa2ul.c
@@ -1774,13 +1774,13 @@ static int sa_cra_init_aead(struct crypto_aead *tfm, const char *hash,
 static int sa_cra_init_aead_sha1(struct crypto_aead *tfm)
 {
 	return sa_cra_init_aead(tfm, "sha1",
-				"authenc(hmac(sha1-ce),cbc(aes-ce))");
+				"authenc(hmac(sha1),cbc(aes))");
 }
 
 static int sa_cra_init_aead_sha256(struct crypto_aead *tfm)
 {
 	return sa_cra_init_aead(tfm, "sha256",
-				"authenc(hmac(sha256-ce),cbc(aes-ce))");
+				"authenc(hmac(sha256),cbc(aes))");
 }
 
 static void sa_exit_tfm_aead(struct crypto_aead *tfm)
diff --git a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
index 6715ade391aa18..95b3c2ea98419e 100644
--- a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
+++ b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
@@ -502,8 +502,6 @@ static void dw_axi_dma_set_hw_channel(struct axi_dma_chan *chan, bool set)
 			(chan->id * DMA_APB_HS_SEL_BIT_SIZE));
 	reg_value |= (val << (chan->id * DMA_APB_HS_SEL_BIT_SIZE));
 	lo_hi_writeq(reg_value, chip->apb_regs + DMAC_APB_HW_HS_SEL_0);
-
-	return;
 }
 
 /*
diff --git a/drivers/dma/mmp_pdma.c b/drivers/dma/mmp_pdma.c
index 26d11885c50ec3..a15efd4d0c84df 100644
--- a/drivers/dma/mmp_pdma.c
+++ b/drivers/dma/mmp_pdma.c
@@ -764,6 +764,7 @@ static unsigned int mmp_pdma_residue(struct mmp_pdma_chan *chan,
 {
 	struct mmp_pdma_desc_sw *sw;
 	u32 curr, residue = 0;
+	unsigned long flags;
 	bool passed = false;
 	bool cyclic = chan->cyclic_first != NULL;
 
@@ -779,6 +780,8 @@ static unsigned int mmp_pdma_residue(struct mmp_pdma_chan *chan,
 	else
 		curr = readl(chan->phy->base + DSADR(chan->phy->idx));
 
+	spin_lock_irqsave(&chan->desc_lock, flags);
+
 	list_for_each_entry(sw, &chan->chain_running, node) {
 		u32 start, end, len;
 
@@ -822,6 +825,7 @@ static unsigned int mmp_pdma_residue(struct mmp_pdma_chan *chan,
 			continue;
 
 		if (sw->async_tx.cookie == cookie) {
+			spin_unlock_irqrestore(&chan->desc_lock, flags);
 			return residue;
 		} else {
 			residue = 0;
@@ -829,6 +833,8 @@ static unsigned int mmp_pdma_residue(struct mmp_pdma_chan *chan,
 		}
 	}
 
+	spin_unlock_irqrestore(&chan->desc_lock, flags);
+
 	/* We should only get here in case of cyclic transactions */
 	return residue;
 }
diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c
index dc147cc2436e9e..5d34440b9e1279 100644
--- a/drivers/dma/mxs-dma.c
+++ b/drivers/dma/mxs-dma.c
@@ -827,6 +827,7 @@ static int mxs_dma_probe(struct platform_device *pdev)
 	if (ret) {
 		dev_err(mxs_dma->dma_device.dev,
 			"failed to register controller\n");
+		return ret;
 	}
 
 	dev_info(mxs_dma->dma_device.dev, "initialized\n");
diff --git a/drivers/extcon/extcon-ptn5150.c b/drivers/extcon/extcon-ptn5150.c
index 2a7874108df871..b47cacc96dc268 100644
--- a/drivers/extcon/extcon-ptn5150.c
+++ b/drivers/extcon/extcon-ptn5150.c
@@ -306,6 +306,19 @@ static int ptn5150_i2c_probe(struct i2c_client *i2c)
 	return 0;
 }
 
+static int ptn5150_resume(struct device *dev)
+{
+	struct i2c_client *i2c = to_i2c_client(dev);
+	struct ptn5150_info *info = i2c_get_clientdata(i2c);
+
+	/* Need to check possible pending interrupt events */
+	schedule_work(&info->irq_work);
+
+	return 0;
+}
+
+static DEFINE_SIMPLE_DEV_PM_OPS(ptn5150_pm_ops, NULL, ptn5150_resume);
+
 static const struct of_device_id ptn5150_dt_match[] = {
 	{ .compatible = "nxp,ptn5150" },
 	{ },
@@ -321,6 +334,7 @@ MODULE_DEVICE_TABLE(i2c, ptn5150_i2c_id);
 static struct i2c_driver ptn5150_i2c_driver = {
 	.driver		= {
 		.name	= "ptn5150",
+		.pm = pm_sleep_ptr(&ptn5150_pm_ops),
 		.of_match_table = ptn5150_dt_match,
 	},
 	.probe_new	= ptn5150_i2c_probe,
diff --git a/drivers/firmware/arm_ffa/bus.c b/drivers/firmware/arm_ffa/bus.c
index 27820a59ce25ec..93962334b45cca 100644
--- a/drivers/firmware/arm_ffa/bus.c
+++ b/drivers/firmware/arm_ffa/bus.c
@@ -24,6 +24,8 @@ static int ffa_device_match(struct device *dev, struct device_driver *drv)
 
 	id_table = to_ffa_driver(drv)->id_table;
 	ffa_dev = to_ffa_dev(dev);
+	if (!id_table)
+		return 0;
 
 	while (!uuid_is_null(&id_table->uuid)) {
 		/*
@@ -107,7 +109,7 @@ int ffa_driver_register(struct ffa_driver *driver, struct module *owner,
 {
 	int ret;
 
-	if (!driver->probe)
+	if (!driver->probe || !driver->id_table)
 		return -EINVAL;
 
 	driver->driver.bus = &ffa_bus_type;
diff --git a/drivers/firmware/arm_ffa/driver.c b/drivers/firmware/arm_ffa/driver.c
index e4fb0c1ae4869a..34351f8c4d6f36 100644
--- a/drivers/firmware/arm_ffa/driver.c
+++ b/drivers/firmware/arm_ffa/driver.c
@@ -687,7 +687,7 @@ static int __init ffa_init(void)
 	drv_info->rx_buffer = alloc_pages_exact(RXTX_BUFFER_SIZE, GFP_KERNEL);
 	if (!drv_info->rx_buffer) {
 		ret = -ENOMEM;
-		goto free_pages;
+		goto free_drv_info;
 	}
 
 	drv_info->tx_buffer = alloc_pages_exact(RXTX_BUFFER_SIZE, GFP_KERNEL);
diff --git a/drivers/firmware/efi/capsule-loader.c b/drivers/firmware/efi/capsule-loader.c
index 97bafb5f703892..c6a8bdbcae71b9 100644
--- a/drivers/firmware/efi/capsule-loader.c
+++ b/drivers/firmware/efi/capsule-loader.c
@@ -67,7 +67,7 @@ int __efi_capsule_setup_info(struct capsule_info *cap_info)
 	cap_info->pages = temp_page;
 
 	temp_page = krealloc(cap_info->phys,
-			     pages_needed * sizeof(phys_addr_t *),
+			     pages_needed * sizeof(phys_addr_t),
 			     GFP_KERNEL | __GFP_ZERO);
 	if (!temp_page)
 		return -ENOMEM;
diff --git a/drivers/firmware/google/framebuffer-coreboot.c b/drivers/firmware/google/framebuffer-coreboot.c
index c323a818805cc9..32024e31f51eb3 100644
--- a/drivers/firmware/google/framebuffer-coreboot.c
+++ b/drivers/firmware/google/framebuffer-coreboot.c
@@ -50,7 +50,7 @@ static int framebuffer_probe(struct coreboot_device *dev)
 		return -ENODEV;
 
 	memset(&res, 0, sizeof(res));
-	res.flags = IORESOURCE_MEM | IORESOURCE_BUSY;
+	res.flags = IORESOURCE_MEM;
 	res.name = "Coreboot Framebuffer";
 	res.start = fb->physical_address;
 	length = PAGE_ALIGN(fb->y_resolution * fb->bytes_per_line);
diff --git a/drivers/firmware/imx/scu-pd.c b/drivers/firmware/imx/scu-pd.c
index ff6569c4a53bd0..a0fc352a799360 100644
--- a/drivers/firmware/imx/scu-pd.c
+++ b/drivers/firmware/imx/scu-pd.c
@@ -231,6 +231,7 @@ static void imx_sc_pd_get_console_rsrc(void)
 		return;
 
 	imx_con_rsrc = specs.args[0];
+	of_node_put(specs.np);
 }
 
 static int imx_sc_pd_power(struct generic_pm_domain *domain, bool power_on)
diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c
index 7f5bc10a647926..ae769a29bf169f 100644
--- a/drivers/gpio/gpio-tegra.c
+++ b/drivers/gpio/gpio-tegra.c
@@ -598,7 +598,7 @@ static void tegra_gpio_irq_release_resources(struct irq_data *d)
 	struct tegra_gpio_info *tgi = gpiochip_get_data(chip);
 
 	gpiochip_relres_irq(chip, d->hwirq);
-	tegra_gpio_enable(tgi, d->hwirq);
+	tegra_gpio_disable(tgi, d->hwirq);
 }
 
 #ifdef	CONFIG_DEBUG_FS
diff --git a/drivers/gpio/gpiolib-cdev.c b/drivers/gpio/gpiolib-cdev.c
index d4b221c90bb20b..b1e4571401c9af 100644
--- a/drivers/gpio/gpiolib-cdev.c
+++ b/drivers/gpio/gpiolib-cdev.c
@@ -14,13 +14,13 @@
 #include <linux/gpio/driver.h>
 #include <linux/interrupt.h>
 #include <linux/irqreturn.h>
-#include <linux/kernel.h>
 #include <linux/kfifo.h>
 #include <linux/module.h>
 #include <linux/mutex.h>
 #include <linux/pinctrl/consumer.h>
 #include <linux/poll.h>
 #include <linux/spinlock.h>
+#include <linux/string.h>
 #include <linux/timekeeping.h>
 #include <linux/uaccess.h>
 #include <linux/workqueue.h>
@@ -1011,6 +1011,7 @@ static int gpio_v2_line_flags_validate(u64 flags)
 static int gpio_v2_line_config_validate(struct gpio_v2_line_config *lc,
 					unsigned int num_lines)
 {
+	size_t unused_attrs;
 	unsigned int i;
 	u64 flags;
 	int ret;
@@ -1018,9 +1019,21 @@ static int gpio_v2_line_config_validate(struct gpio_v2_line_config *lc,
 	if (lc->num_attrs > GPIO_V2_LINE_NUM_ATTRS_MAX)
 		return -EINVAL;
 
-	if (memchr_inv(lc->padding, 0, sizeof(lc->padding)))
+	unused_attrs = GPIO_V2_LINE_NUM_ATTRS_MAX - lc->num_attrs;
+
+	if (!mem_is_zero(lc->padding, sizeof(lc->padding)))
 		return -EINVAL;
 
+	for (i = 0; i < lc->num_attrs; i++) {
+		if (lc->attrs[i].attr.padding != 0)
+			return -EINVAL;
+	}
+
+	if (unused_attrs) {
+		if (!mem_is_zero(&lc->attrs[lc->num_attrs], unused_attrs * sizeof(*lc->attrs)))
+			return -EINVAL;
+	}
+
 	for (i = 0; i < num_lines; i++) {
 		flags = gpio_v2_line_config_flags(lc, i);
 		ret = gpio_v2_line_flags_validate(flags);
@@ -1437,7 +1450,7 @@ static int linereq_create(struct gpio_device *gdev, void __user *ip)
 	if ((ulr.num_lines == 0) || (ulr.num_lines > GPIO_V2_LINES_MAX))
 		return -EINVAL;
 
-	if (memchr_inv(ulr.padding, 0, sizeof(ulr.padding)))
+	if (!mem_is_zero(ulr.padding, sizeof(ulr.padding)))
 		return -EINVAL;
 
 	lc = &ulr.config;
@@ -2202,7 +2215,7 @@ static int lineinfo_get(struct gpio_chardev_data *cdev, void __user *ip,
 	if (copy_from_user(&lineinfo, ip, sizeof(lineinfo)))
 		return -EFAULT;
 
-	if (memchr_inv(lineinfo.padding, 0, sizeof(lineinfo.padding)))
+	if (!mem_is_zero(lineinfo.padding, sizeof(lineinfo.padding)))
 		return -EINVAL;
 
 	desc = gpiochip_get_desc(cdev->gdev->chip, lineinfo.offset);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c
index da21e60bb82726..b0016d634e1dc7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c
@@ -106,3 +106,41 @@ int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm,
 	ttm_eu_backoff_reservation(&ticket, &list);
 	return 0;
 }
+
+int amdgpu_unmap_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm,
+			    struct amdgpu_bo *bo, struct amdgpu_bo_va *bo_va,
+			    uint64_t csa_addr)
+{
+	struct ww_acquire_ctx ticket;
+	struct list_head list;
+	struct amdgpu_bo_list_entry pd;
+	struct ttm_validate_buffer csa_tv;
+	int r;
+
+	INIT_LIST_HEAD(&list);
+	INIT_LIST_HEAD(&csa_tv.head);
+	csa_tv.bo = &bo->tbo;
+	csa_tv.num_shared = 1;
+
+	list_add(&csa_tv.head, &list);
+	amdgpu_vm_get_pd_bo(vm, &list, &pd);
+
+	r = ttm_eu_reserve_buffers(&ticket, &list, true, NULL);
+	if (r) {
+		DRM_ERROR("failed to reserve CSA,PD BOs: err=%d\n", r);
+		return r;
+	}
+
+	r = amdgpu_vm_bo_unmap(adev, bo_va, csa_addr);
+	if (r) {
+		DRM_ERROR("failed to do bo_unmap on static CSA, err=%d\n", r);
+		ttm_eu_backoff_reservation(&ticket, &list);
+		return r;
+	}
+
+	amdgpu_vm_bo_rmv(adev, bo_va);
+
+	ttm_eu_backoff_reservation(&ticket, &list);
+
+	return 0;
+}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.h
index 524b4437a02178..7dfc1f2012ebf1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_csa.h
@@ -34,6 +34,9 @@ int amdgpu_allocate_static_csa(struct amdgpu_device *adev, struct amdgpu_bo **bo
 int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm,
 			  struct amdgpu_bo *bo, struct amdgpu_bo_va **bo_va,
 			  uint64_t csa_addr, uint32_t size);
+int amdgpu_unmap_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm,
+			    struct amdgpu_bo *bo, struct amdgpu_bo_va *bo_va,
+			    uint64_t csa_addr);
 void amdgpu_free_static_csa(struct amdgpu_bo **bo);
 
 #endif
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
index 259897f1ea8a40..e00d1637859fe7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c
@@ -259,7 +259,7 @@ void amdgpu_gmc_sysvm_location(struct amdgpu_device *adev, struct amdgpu_gmc *mc
  * @adev: amdgpu device structure holding all necessary information
  * @mc: memory controller structure holding memory information
  *
- * Function will place try to place GART before or after VRAM.
+ * Function will try to place GART before or after VRAM.
  * If GART size is bigger than space left then we ajust GART size.
  * Thus function will never fails.
  */
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 70d49b998ee9e2..b8b0b819de72bb 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -1273,14 +1273,12 @@ void amdgpu_driver_postclose_kms(struct drm_device *dev,
 	if (amdgpu_device_ip_get_ip_block(adev, AMD_IP_BLOCK_TYPE_VCE) != NULL)
 		amdgpu_vce_free_handles(adev, file_priv);
 
-	amdgpu_vm_bo_rmv(adev, fpriv->prt_va);
+	if (fpriv->csa_va) {
+		uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK;
 
-	if (amdgpu_mcbp || amdgpu_sriov_vf(adev)) {
-		/* TODO: how to handle reserve failure */
-		BUG_ON(amdgpu_bo_reserve(adev->virt.csa_obj, true));
-		amdgpu_vm_bo_rmv(adev, fpriv->csa_va);
+		WARN_ON(amdgpu_unmap_static_csa(adev, &fpriv->vm, adev->virt.csa_obj,
+						fpriv->csa_va, csa_addr));
 		fpriv->csa_va = NULL;
-		amdgpu_bo_unreserve(adev->virt.csa_obj);
 	}
 
 	pasid = fpriv->vm.pasid;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index c3bd7657487716..7b3293b37144d4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -71,6 +71,9 @@ static int amdgpu_ttm_init_on_chip(struct amdgpu_device *adev,
 				    unsigned int type,
 				    uint64_t size_in_page)
 {
+	if (!size_in_page)
+		return 0;
+
 	return ttm_range_man_init(&adev->mman.bdev, type,
 				  false, size_in_page);
 }
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
index 79074d22959b9f..eecc93f8c3cd54 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v6_0.c
@@ -1568,6 +1568,71 @@ static void gfx_v6_0_setup_spi(struct amdgpu_device *adev)
 	mutex_unlock(&adev->grbm_idx_mutex);
 }
 
+/**
+ * gfx_v6_0_setup_tcc() - setup which TCCs are used
+ *
+ * @adev: amdgpu_device pointer
+ *
+ * Verify whether the current GPU has any TCCs disabled,
+ * which can happen when the GPU is harvested and some
+ * memory channels are disabled, reducing the memory bus width.
+ * For example, on the Radeon HD 7870 XT (Tahiti LE).
+ *
+ * If some TCCs are disabled, we need to make sure that
+ * the disabled TCCs are not used, and the remaining TCCs
+ * are used optimally.
+ *
+ * TCP_CHAN_STEER_LO/HI control which TCC is used by TCP channels.
+ * TCP_ADDR_CONFIG.NUM_TCC_BANKS controls how many channels are used.
+ *
+ * For optimal performance:
+ * - Rely on the CHAN_STEER from the golden registers table,
+ *   only skip disabled TCCs but keep the mapping order.
+ * - Limit NUM_TCC_BANKS to number of active TCCs to avoid thrashing,
+ *   which performs better than using the same TCC twice.
+ */
+static void gfx_v6_0_setup_tcc(struct amdgpu_device *adev)
+{
+	u32 i, tcc, tcp_addr_config, num_active_tcc = 0;
+	u64 chan_steer, patched_chan_steer = 0;
+	const u32 num_max_tcc = adev->gfx.config.max_texture_channel_caches;
+	const u32 dis_tcc_mask =
+		amdgpu_gfx_create_bitmask(num_max_tcc) &
+		(REG_GET_FIELD(RREG32(mmCGTS_TCC_DISABLE),
+			       CGTS_TCC_DISABLE, TCC_DISABLE) |
+		 REG_GET_FIELD(RREG32(mmCGTS_USER_TCC_DISABLE),
+			       CGTS_USER_TCC_DISABLE, TCC_DISABLE));
+
+	/* When no TCC is disabled, the golden registers table already has optimal TCC setup */
+	if (!dis_tcc_mask)
+		return;
+
+	/* Each 4-bit nibble contains the index of a TCC used by all TCPs */
+	chan_steer = RREG32(mmTCP_CHAN_STEER_LO) | ((u64)RREG32(mmTCP_CHAN_STEER_HI) << 32ull);
+
+	/* Patch the TCP to TCC mapping to skip disabled TCCs */
+	for (i = 0; i < num_max_tcc; ++i) {
+		tcc = (chan_steer >> (u64)(4 * i)) & 0xf;
+
+		if (!((1 << tcc) & dis_tcc_mask)) {
+			/* Copy enabled TCC indices to the patched register value. */
+			patched_chan_steer |= (u64)tcc << (u64)(4 * num_active_tcc);
+			++num_active_tcc;
+		}
+	}
+
+	WARN_ON(num_active_tcc != num_max_tcc - hweight32(dis_tcc_mask));
+
+	/* Patch number of TCCs used by TCPs */
+	tcp_addr_config = REG_SET_FIELD(RREG32(mmTCP_ADDR_CONFIG),
+					TCP_ADDR_CONFIG, NUM_TCC_BANKS,
+					num_active_tcc - 1);
+
+	WREG32(mmTCP_ADDR_CONFIG, tcp_addr_config);
+	WREG32(mmTCP_CHAN_STEER_HI, upper_32_bits(patched_chan_steer));
+	WREG32(mmTCP_CHAN_STEER_LO, lower_32_bits(patched_chan_steer));
+}
+
 static void gfx_v6_0_config_init(struct amdgpu_device *adev)
 {
 	adev->gfx.config.double_offchip_lds_buf = 0;
@@ -1726,6 +1791,7 @@ static void gfx_v6_0_constants_init(struct amdgpu_device *adev)
 	gfx_v6_0_tiling_mode_table_init(adev);
 
 	gfx_v6_0_setup_rb(adev);
+	gfx_v6_0_setup_tcc(adev);
 
 	gfx_v6_0_setup_spi(adev);
 
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 6cc382197378d0..ae69a8653bf072 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -5533,9 +5533,6 @@ static void gfx_v9_0_ring_emit_fence_kiq(struct amdgpu_ring *ring, u64 addr,
 {
 	struct amdgpu_device *adev = ring->adev;
 
-	/* we only allocate 32bit for each seq wb address */
-	BUG_ON(flags & AMDGPU_FENCE_FLAG_64BIT);
-
 	/* write fence seq to the "addr" */
 	amdgpu_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
 	amdgpu_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) |
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
index a3352b98ced17f..955d2460351b7b 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
@@ -955,7 +955,7 @@ static void sdma_v4_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 se
 	/* write the fence */
 	amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE));
 	/* zero in first two bits */
-	BUG_ON(addr & 0x3);
+	WARN_ON(addr & 0x3);
 	amdgpu_ring_write(ring, lower_32_bits(addr));
 	amdgpu_ring_write(ring, upper_32_bits(addr));
 	amdgpu_ring_write(ring, lower_32_bits(seq));
@@ -965,7 +965,7 @@ static void sdma_v4_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 se
 		addr += 4;
 		amdgpu_ring_write(ring, SDMA_PKT_HEADER_OP(SDMA_OP_FENCE));
 		/* zero in first two bits */
-		BUG_ON(addr & 0x3);
+		WARN_ON(addr & 0x3);
 		amdgpu_ring_write(ring, lower_32_bits(addr));
 		amdgpu_ring_write(ring, upper_32_bits(addr));
 		amdgpu_ring_write(ring, upper_32_bits(seq));
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v3_1.c b/drivers/gpu/drm/amd/amdgpu/uvd_v3_1.c
index e458e0d5801b0f..3a27bed57b4fff 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v3_1.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v3_1.c
@@ -98,7 +98,7 @@ static void uvd_v3_1_ring_emit_ib(struct amdgpu_ring *ring,
 }
 
 /**
- * uvd_v3_1_ring_emit_fence - emit an fence & trap command
+ * uvd_v3_1_ring_emit_fence - emit a fence & trap command
  *
  * @ring: amdgpu_ring pointer
  * @addr: address
@@ -242,7 +242,11 @@ static void uvd_v3_1_mc_resume(struct amdgpu_device *adev)
 	uint64_t addr;
 	uint32_t size;
 
-	/* programm the VCPU memory controller bits 0-27 */
+	/* When the keyselect is already set, don't perturb it. */
+	if (RREG32(mmUVD_FW_START))
+		return;
+
+	/* program the VCPU memory controller bits 0-27 */
 	addr = (adev->uvd.inst->gpu_addr + AMDGPU_UVD_FIRMWARE_OFFSET) >> 3;
 	size = AMDGPU_UVD_FIRMWARE_SIZE(adev) >> 3;
 	WREG32(mmUVD_VCPU_CACHE_OFFSET0, addr);
@@ -284,6 +288,12 @@ static int uvd_v3_1_fw_validate(struct amdgpu_device *adev)
 	int i;
 	uint32_t keysel = adev->uvd.keyselect;
 
+	if (RREG32(mmUVD_FW_START) & UVD_FW_STATUS__PASS_MASK) {
+		dev_dbg(adev->dev, "UVD keyselect already set: 0x%x (on CPU: 0x%x)\n",
+			RREG32(mmUVD_FW_START), adev->uvd.keyselect);
+		return 0;
+	}
+
 	WREG32(mmUVD_FW_START, keysel);
 
 	for (i = 0; i < 10; ++i) {
@@ -416,7 +426,7 @@ static int uvd_v3_1_start(struct amdgpu_device *adev)
 	/* Set the write pointer delay */
 	WREG32(mmUVD_RBC_RB_WPTR_CNTL, 0);
 
-	/* programm the 4GB memory segment for rptr and ring buffer */
+	/* Program the 4GB memory segment for rptr and ring buffer */
 	WREG32(mmUVD_LMI_EXT40_ADDR, upper_32_bits(ring->gpu_addr) |
 		   (0x7 << 16) | (0x1 << 31));
 
diff --git a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
index c108b83817951b..01d8e7d2caf971 100644
--- a/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
+++ b/drivers/gpu/drm/amd/amdgpu/uvd_v4_2.c
@@ -298,7 +298,7 @@ static int uvd_v4_2_start(struct amdgpu_device *adev)
 	/* enable VCPU clock */
 	WREG32(mmUVD_VCPU_CNTL,  1 << 9);
 
-	/* disable interupt */
+	/* disable interrupt */
 	WREG32_P(mmUVD_MASTINT_EN, 0, ~(1 << 1));
 
 #ifdef __BIG_ENDIAN
@@ -308,6 +308,7 @@ static int uvd_v4_2_start(struct amdgpu_device *adev)
 #endif
 	WREG32(mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl);
 	WREG32(mmUVD_MP_SWAP_CNTL, mp_swap_cntl);
+
 	/* initialize UVD memory controller */
 	WREG32(mmUVD_LMI_CTRL, 0x203108);
 
diff --git a/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c b/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c
index 98952fd387e73d..ddbcfcc70df5ce 100644
--- a/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c
@@ -278,7 +278,7 @@ static int vce_v2_0_stop(struct amdgpu_device *adev)
 	int status;
 
 	if (vce_v2_0_lmi_clean(adev)) {
-		DRM_INFO("vce is not idle \n");
+		DRM_INFO("VCE is not idle \n");
 		return 0;
 	}
 
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
index 1310617f030f72..7085c1f45cf74c 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
@@ -1861,7 +1861,7 @@ static int vcn_v3_0_dec_msg(struct amdgpu_cs_parser *p, uint64_t addr)
 {
 	struct ttm_operation_ctx ctx = { false, false };
 	struct amdgpu_bo_va_mapping *map;
-	uint32_t *msg, num_buffers;
+	uint32_t *msg, num_buffers, len_dw;
 	struct amdgpu_bo *bo;
 	uint64_t start, end;
 	unsigned int i;
@@ -1882,6 +1882,11 @@ static int vcn_v3_0_dec_msg(struct amdgpu_cs_parser *p, uint64_t addr)
 		return -EINVAL;
 	}
 
+	if (end - addr < 16) {
+		DRM_ERROR("VCN messages must be at least 4 DWORDs!\n");
+		return -EINVAL;
+	}
+
 	bo->flags |= AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
 	amdgpu_bo_placement_from_domain(bo, bo->allowed_domains);
 	r = ttm_bo_validate(&bo->tbo, &bo->placement, &ctx);
@@ -1898,8 +1903,8 @@ static int vcn_v3_0_dec_msg(struct amdgpu_cs_parser *p, uint64_t addr)
 
 	msg = ptr + addr - start;
 
-	/* Check length */
 	if (msg[1] > end - addr) {
+		DRM_ERROR("VCN message header does not fit in BO!\n");
 		r = -EINVAL;
 		goto out;
 	}
@@ -1907,9 +1912,19 @@ static int vcn_v3_0_dec_msg(struct amdgpu_cs_parser *p, uint64_t addr)
 	if (msg[3] != RDECODE_MSG_CREATE)
 		goto out;
 
+	len_dw = msg[1] / 4;
 	num_buffers = msg[2];
+
+	/* Verify that all indices fit within the claimed length. Each index is 4 DWORDs */
+	if (num_buffers > len_dw || 6 + num_buffers * 4 > len_dw) {
+		DRM_ERROR("VCN message has too many buffers!\n");
+		r = -EINVAL;
+		goto out;
+	}
+
 	for (i = 0, msg = &msg[6]; i < num_buffers; ++i, msg += 4) {
 		uint32_t offset, size, *create;
+		uint64_t buf_end;
 
 		if (msg[0] != RDECODE_MESSAGE_CREATE)
 			continue;
@@ -1917,14 +1932,16 @@ static int vcn_v3_0_dec_msg(struct amdgpu_cs_parser *p, uint64_t addr)
 		offset = msg[1];
 		size = msg[2];
 
-		if (offset + size > end) {
+		if (size < 4 || check_add_overflow(offset, size, &buf_end) ||
+		    buf_end > end - addr) {
+			DRM_ERROR("VCN message buffer exceeds BO bounds!\n");
 			r = -EINVAL;
 			goto out;
 		}
 
 		create = ptr + addr + offset - start;
 
-		/* H246, HEVC and VP9 can run on any instance */
+		/* H264, HEVC and VP9 can run on any instance */
 		if (create[0] == 0x7 || create[0] == 0x10 || create[0] == 0x11)
 			continue;
 
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index 4f60ba2db18111..a201651881a6e3 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -25,6 +25,7 @@
 #include <linux/err.h>
 #include <linux/fs.h>
 #include <linux/file.h>
+#include <linux/overflow.h>
 #include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/uaccess.h>
@@ -1803,6 +1804,16 @@ static int kfd_ioctl_set_xnack_mode(struct file *filep,
 	return r;
 }
 
+static int kfd_ioctl_svm_validate(void *kdata, unsigned int usize)
+{
+	struct kfd_ioctl_svm_args *args = kdata;
+	size_t expected = struct_size(args, attrs, args->nattr);
+
+	if (expected == SIZE_MAX || usize < expected)
+		return -EINVAL;
+	return 0;
+}
+
 #if IS_ENABLED(CONFIG_HSA_AMD_SVM)
 static int kfd_ioctl_svm(struct file *filep, struct kfd_process *p, void *data)
 {
@@ -1831,7 +1842,11 @@ static int kfd_ioctl_svm(struct file *filep, struct kfd_process *p, void *data)
 
 #define AMDKFD_IOCTL_DEF(ioctl, _func, _flags) \
 	[_IOC_NR(ioctl)] = {.cmd = ioctl, .func = _func, .flags = _flags, \
-			    .cmd_drv = 0, .name = #ioctl}
+			    .validate = NULL, .cmd_drv = 0, .name = #ioctl}
+
+#define AMDKFD_IOCTL_DEF_V(ioctl, _func, _validate, _flags) \
+	[_IOC_NR(ioctl)] = {.cmd = ioctl, .func = _func, .flags = _flags, \
+			    .validate = _validate, .cmd_drv = 0, .name = #ioctl}
 
 /** Ioctl table */
 static const struct amdkfd_ioctl_desc amdkfd_ioctls[] = {
@@ -1928,7 +1943,8 @@ static const struct amdkfd_ioctl_desc amdkfd_ioctls[] = {
 	AMDKFD_IOCTL_DEF(AMDKFD_IOC_SMI_EVENTS,
 			kfd_ioctl_smi_events, 0),
 
-	AMDKFD_IOCTL_DEF(AMDKFD_IOC_SVM, kfd_ioctl_svm, 0),
+	AMDKFD_IOCTL_DEF_V(AMDKFD_IOC_SVM, kfd_ioctl_svm,
+			   kfd_ioctl_svm_validate, 0),
 
 	AMDKFD_IOCTL_DEF(AMDKFD_IOC_SET_XNACK_MODE,
 			kfd_ioctl_set_xnack_mode, 0),
@@ -2013,6 +2029,12 @@ static long kfd_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
 		memset(kdata, 0, usize);
 	}
 
+	if (ioctl->validate) {
+		retcode = ioctl->validate(kdata, usize);
+		if (retcode)
+			goto err_i1;
+	}
+
 	retcode = func(filep, process, kdata);
 
 	if (cmd & IOC_OUT)
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
index 2cf71155a71849..e9370728ead77f 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
@@ -866,10 +866,13 @@ extern struct srcu_struct kfd_processes_srcu;
 typedef int amdkfd_ioctl_t(struct file *filep, struct kfd_process *p,
 				void *data);
 
+typedef int amdkfd_ioctl_validate_t(void *kdata, unsigned int usize);
+
 struct amdkfd_ioctl_desc {
 	unsigned int cmd;
 	int flags;
 	amdkfd_ioctl_t *func;
+	amdkfd_ioctl_validate_t *validate;
 	unsigned int cmd_drv;
 	const char *name;
 };
diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c
index 0f686e363d308d..d8982aca8ef680 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser.c
@@ -1215,6 +1215,60 @@ static enum bp_result bios_parser_get_embedded_panel_info(
 	return BP_RESULT_FAILURE;
 }
 
+static enum bp_result get_embedded_panel_extra_info(
+	struct bios_parser *bp,
+	struct embedded_panel_info *info,
+	const uint32_t table_offset)
+{
+	uint8_t *record = bios_get_image(&bp->base, table_offset, 1);
+	ATOM_PANEL_RESOLUTION_PATCH_RECORD *panel_res_record;
+	ATOM_FAKE_EDID_PATCH_RECORD *fake_edid_record;
+
+	while (*record != ATOM_RECORD_END_TYPE) {
+		switch (*record) {
+		case LCD_MODE_PATCH_RECORD_MODE_TYPE:
+			record += sizeof(ATOM_PATCH_RECORD_MODE);
+			break;
+		case LCD_RTS_RECORD_TYPE:
+			record += sizeof(ATOM_LCD_RTS_RECORD);
+			break;
+		case LCD_CAP_RECORD_TYPE:
+			record += sizeof(ATOM_LCD_MODE_CONTROL_CAP);
+			break;
+		case LCD_FAKE_EDID_PATCH_RECORD_TYPE:
+			fake_edid_record = (ATOM_FAKE_EDID_PATCH_RECORD *)record;
+			if (fake_edid_record->ucFakeEDIDLength) {
+				if (fake_edid_record->ucFakeEDIDLength == 128)
+					info->fake_edid_size =
+						fake_edid_record->ucFakeEDIDLength;
+				else
+					info->fake_edid_size =
+						fake_edid_record->ucFakeEDIDLength * 128;
+
+				info->fake_edid = fake_edid_record->ucFakeEDIDString;
+
+				record += struct_size(fake_edid_record,
+						      ucFakeEDIDString,
+						      info->fake_edid_size);
+			} else {
+				/* empty fake edid record must be 3 bytes long */
+				record += sizeof(ATOM_FAKE_EDID_PATCH_RECORD) + 1;
+			}
+			break;
+		case LCD_PANEL_RESOLUTION_RECORD_TYPE:
+			panel_res_record = (ATOM_PANEL_RESOLUTION_PATCH_RECORD *)record;
+			info->panel_width_mm = panel_res_record->usHSize;
+			info->panel_height_mm = panel_res_record->usVSize;
+			record += sizeof(ATOM_PANEL_RESOLUTION_PATCH_RECORD);
+			break;
+		default:
+			return BP_RESULT_BADBIOSTABLE;
+		}
+	}
+
+	return BP_RESULT_OK;
+}
+
 static enum bp_result get_embedded_panel_info_v1_2(
 	struct bios_parser *bp,
 	struct embedded_panel_info *info)
@@ -1331,6 +1385,10 @@ static enum bp_result get_embedded_panel_info_v1_2(
 	if (ATOM_PANEL_MISC_API_ENABLED & lvds->ucLVDS_Misc)
 		info->lcd_timing.misc_info.API_ENABLED = true;
 
+	if (lvds->usExtInfoTableOffset)
+		return get_embedded_panel_extra_info(bp, info,
+			le16_to_cpu(lvds->usExtInfoTableOffset) + DATA_TABLES(LCD_Info));
+
 	return BP_RESULT_OK;
 }
 
@@ -1456,6 +1514,10 @@ static enum bp_result get_embedded_panel_info_v1_3(
 			(uint32_t) (ATOM_PANEL_MISC_V13_GREY_LEVEL &
 				lvds->ucLCD_Misc) >> ATOM_PANEL_MISC_V13_GREY_LEVEL_SHIFT;
 
+	if (lvds->usExtInfoTableOffset)
+		return get_embedded_panel_extra_info(bp, info,
+			le16_to_cpu(lvds->usExtInfoTableOffset) + DATA_TABLES(LCD_Info));
+
 	return BP_RESULT_OK;
 }
 
diff --git a/drivers/gpu/drm/amd/display/dc/bios/bios_parser_helper.c b/drivers/gpu/drm/amd/display/dc/bios/bios_parser_helper.c
index adc710fe4a4539..d3f1491924510a 100644
--- a/drivers/gpu/drm/amd/display/dc/bios/bios_parser_helper.c
+++ b/drivers/gpu/drm/amd/display/dc/bios/bios_parser_helper.c
@@ -37,10 +37,13 @@ uint8_t *bios_get_image(struct dc_bios *bp,
 	uint32_t offset,
 	uint32_t size)
 {
-	if (bp->bios && offset + size < bp->bios_size)
-		return bp->bios + offset;
-	else
+	if (!bp->bios)
 		return NULL;
+
+	if (offset > bp->bios_size || size > bp->bios_size - offset)
+		return NULL;
+
+	return bp->bios + offset;
 }
 
 #include "reg_helper.h"
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index e1085c316b78e8..bf21152c5de45e 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -3755,7 +3755,11 @@ bool dc_process_dmub_aux_transfer_async(struct dc *dc,
 	union dmub_rb_cmd cmd = {0};
 	struct dc_dmub_srv *dmub_srv = dc->ctx->dmub_srv;
 
-	ASSERT(payload->length <= 16);
+	if (link_index >= dc->link_count || !dc->links[link_index])
+		return false;
+
+	if (payload->length > sizeof(cmd.dp_aux_access.aux_control.dpaux.data))
+		return false;
 
 	cmd.dp_aux_access.header.type = DMUB_CMD__DP_AUX_ACCESS;
 	cmd.dp_aux_access.header.payload_bytes = 0;
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
index fce0c5d72c1a0c..55c367cf72ffdf 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_link_encoder.c
@@ -994,7 +994,9 @@ void dce110_link_encoder_hw_init(
 		ASSERT(result == BP_RESULT_OK);
 
 	}
-	aux_initialize(enc110);
+
+	if (enc110->aux_regs)
+		aux_initialize(enc110);
 
 	/* reinitialize HPD.
 	 * hpd_initialize() will pass DIG_FE id to HW context.
diff --git a/drivers/gpu/drm/amd/display/include/grph_object_ctrl_defs.h b/drivers/gpu/drm/amd/display/include/grph_object_ctrl_defs.h
index 792652236c61bb..d42b61ada427ed 100644
--- a/drivers/gpu/drm/amd/display/include/grph_object_ctrl_defs.h
+++ b/drivers/gpu/drm/amd/display/include/grph_object_ctrl_defs.h
@@ -153,6 +153,10 @@ struct embedded_panel_info {
 	uint32_t drr_enabled;
 	uint32_t min_drr_refresh_rate;
 	bool realtek_eDPToLVDS;
+	uint16_t panel_width_mm;
+	uint16_t panel_height_mm;
+	uint16_t fake_edid_size;
+	const uint8_t *fake_edid;
 };
 
 struct dc_firmware_info {
diff --git a/drivers/gpu/drm/amd/pm/inc/hwmgr.h b/drivers/gpu/drm/amd/pm/inc/hwmgr.h
index 8ed01071fe5ade..a82db5150de703 100644
--- a/drivers/gpu/drm/amd/pm/inc/hwmgr.h
+++ b/drivers/gpu/drm/amd/pm/inc/hwmgr.h
@@ -635,6 +635,7 @@ struct phm_dynamic_state_info {
 	struct phm_clock_voltage_dependency_table *vddci_dependency_on_mclk;
 	struct phm_clock_voltage_dependency_table *vddc_dependency_on_mclk;
 	struct phm_clock_voltage_dependency_table *mvdd_dependency_on_mclk;
+	struct phm_clock_voltage_dependency_table *vddc_dependency_on_display_clock;
 	struct phm_clock_voltage_dependency_table *vddc_dep_on_dal_pwrl;
 	struct phm_clock_array                    *valid_sclk_values;
 	struct phm_clock_array                    *valid_mclk_values;
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/hwmgr.c
index f2cef0930aa961..997435a50f21ee 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/hwmgr.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/hwmgr.c
@@ -104,6 +104,21 @@ int hwmgr_early_init(struct pp_hwmgr *hwmgr)
 					 PP_GFXOFF_MASK);
 		hwmgr->pp_table_version = PP_TABLE_V0;
 		hwmgr->od_enabled = false;
+		switch (hwmgr->chip_id) {
+		case CHIP_BONAIRE:
+			/* R9 M380 in iMac 2015: SMU hangs when enabling MCLK DPM
+			 * R7 260X cards with old MC ucode: MCLK DPM is unstable
+			 */
+			if (adev->pdev->subsystem_vendor == 0x106B ||
+			    adev->pdev->device == 0x6658) {
+				dev_info(adev->dev, "disabling MCLK DPM on quirky ASIC");
+				adev->pm.pp_feature &= ~PP_MCLK_DPM_MASK;
+				hwmgr->feature_mask &= ~PP_MCLK_DPM_MASK;
+			}
+			break;
+		default:
+			break;
+		}
 		smu7_init_function_pointers(hwmgr);
 		break;
 	case AMDGPU_FAMILY_CZ:
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
index e25032ad16be7b..d3fe5b29c8898d 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
@@ -788,7 +788,7 @@ static int smu7_setup_dpm_tables_v0(struct pp_hwmgr *hwmgr)
 		hwmgr->dyn_state.vddc_dependency_on_mclk;
 	struct phm_cac_leakage_table *std_voltage_table =
 		hwmgr->dyn_state.cac_leakage_table;
-	uint32_t i;
+	uint32_t i, clk;
 
 	PP_ASSERT_WITH_CODE(allowed_vdd_sclk_table != NULL,
 		"SCLK dependency table is missing. This table is mandatory", return -EINVAL);
@@ -805,10 +805,12 @@ static int smu7_setup_dpm_tables_v0(struct pp_hwmgr *hwmgr)
 	data->dpm_table.sclk_table.count = 0;
 
 	for (i = 0; i < allowed_vdd_sclk_table->count; i++) {
+		clk = min(allowed_vdd_sclk_table->entries[i].clk, data->sclk_cap);
+
 		if (i == 0 || data->dpm_table.sclk_table.dpm_levels[data->dpm_table.sclk_table.count-1].value !=
-				allowed_vdd_sclk_table->entries[i].clk) {
+				clk) {
 			data->dpm_table.sclk_table.dpm_levels[data->dpm_table.sclk_table.count].value =
-				allowed_vdd_sclk_table->entries[i].clk;
+				clk;
 			data->dpm_table.sclk_table.dpm_levels[data->dpm_table.sclk_table.count].enabled = (i == 0) ? 1 : 0;
 			data->dpm_table.sclk_table.count++;
 		}
@@ -2752,6 +2754,10 @@ static int smu7_patch_dependency_tables_with_leakage(struct pp_hwmgr *hwmgr)
 	if (tmp)
 		return -EINVAL;
 
+	tmp = smu7_patch_vddc(hwmgr, hwmgr->dyn_state.vddc_dependency_on_display_clock);
+	if (tmp)
+		return -EINVAL;
+
 	tmp = smu7_patch_vce_vddc(hwmgr, hwmgr->dyn_state.vce_clock_voltage_dependency_table);
 	if (tmp)
 		return -EINVAL;
@@ -2835,6 +2841,8 @@ static int smu7_hwmgr_backend_fini(struct pp_hwmgr *hwmgr)
 {
 	kfree(hwmgr->dyn_state.vddc_dep_on_dal_pwrl);
 	hwmgr->dyn_state.vddc_dep_on_dal_pwrl = NULL;
+	kfree(hwmgr->dyn_state.vddc_dependency_on_display_clock);
+	hwmgr->dyn_state.vddc_dependency_on_display_clock = NULL;
 	kfree(hwmgr->backend);
 	hwmgr->backend = NULL;
 
@@ -2905,6 +2913,70 @@ static int smu7_update_edc_leakage_table(struct pp_hwmgr *hwmgr)
 	return ret;
 }
 
+static int smu7_init_voltage_dependency_on_display_clock_table(struct pp_hwmgr *hwmgr)
+{
+	struct phm_clock_voltage_dependency_table *table;
+
+	if (!amdgpu_device_ip_get_ip_block(hwmgr->adev, AMD_IP_BLOCK_TYPE_DCE))
+		return 0;
+
+	table = kzalloc(struct_size(table, entries, 4), GFP_KERNEL);
+	if (!table)
+		return -ENOMEM;
+
+	if (hwmgr->chip_id >= CHIP_POLARIS10) {
+		table->entries[0].clk = 38918;
+		table->entries[1].clk = 45900;
+		table->entries[2].clk = 66700;
+		table->entries[3].clk = 113200;
+
+		table->entries[0].v = 700;
+		table->entries[1].v = 740;
+		table->entries[2].v = 800;
+		table->entries[3].v = 900;
+	} else {
+		if (hwmgr->chip_family == AMDGPU_FAMILY_CZ) {
+			table->entries[0].clk = 35200;
+			table->entries[1].clk = 35200;
+			table->entries[2].clk = 46700;
+			table->entries[3].clk = 64300;
+		} else {
+			table->entries[0].clk = 0;
+			table->entries[1].clk = 35200;
+			table->entries[2].clk = 54000;
+			table->entries[3].clk = 62500;
+		}
+
+		table->entries[0].v = 0;
+		table->entries[1].v = 720;
+		table->entries[2].v = 810;
+		table->entries[3].v = 900;
+	}
+
+	table->count = 4;
+	hwmgr->dyn_state.vddc_dependency_on_display_clock = table;
+	return 0;
+}
+
+static void smu7_set_sclk_cap(struct pp_hwmgr *hwmgr)
+{
+	struct amdgpu_device *adev = hwmgr->adev;
+	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
+
+	data->sclk_cap = 0xffffffff;
+
+	if (hwmgr->od_enabled)
+		return;
+
+	/* R9 390X board: last sclk dpm level is unstable, use lower sclk */
+	if (adev->pdev->device == 0x67B0 &&
+	    adev->pdev->subsystem_vendor == 0x1043)
+		data->sclk_cap = 104000; /* 1040 MHz */
+
+	if (data->sclk_cap != 0xffffffff)
+		dev_info(adev->dev, "sclk cap: %u kHz on quirky ASIC\n", data->sclk_cap * 10);
+}
+
 static int smu7_hwmgr_backend_init(struct pp_hwmgr *hwmgr)
 {
 	struct amdgpu_device *adev = hwmgr->adev;
@@ -2916,6 +2988,7 @@ static int smu7_hwmgr_backend_init(struct pp_hwmgr *hwmgr)
 		return -ENOMEM;
 
 	hwmgr->backend = data;
+	smu7_set_sclk_cap(hwmgr);
 	smu7_patch_voltage_workaround(hwmgr);
 	smu7_init_dpm_defaults(hwmgr);
 
@@ -2933,6 +3006,10 @@ static int smu7_hwmgr_backend_init(struct pp_hwmgr *hwmgr)
 		smu7_get_elb_voltages(hwmgr);
 	}
 
+	result = smu7_init_voltage_dependency_on_display_clock_table(hwmgr);
+	if (result)
+		goto fail;
+
 	if (hwmgr->pp_table_version == PP_TABLE_V1) {
 		smu7_complete_dependency_tables(hwmgr);
 		smu7_set_private_data_based_on_pptable_v1(hwmgr);
@@ -3029,13 +3106,40 @@ static int smu7_force_dpm_highest(struct pp_hwmgr *hwmgr)
 	return 0;
 }
 
+static uint32_t smu7_lookup_vddc_from_dispclk(struct pp_hwmgr *hwmgr)
+{
+	const struct amd_pp_display_configuration *cfg = hwmgr->display_config;
+	const struct phm_clock_voltage_dependency_table *vddc_dep_on_dispclk =
+			hwmgr->dyn_state.vddc_dependency_on_display_clock;
+	uint32_t i;
+
+	if (!vddc_dep_on_dispclk || !vddc_dep_on_dispclk->count ||
+	    !cfg || !cfg->num_display || !cfg->display_clk)
+		return 0;
+
+	/* Start from 1 because ClocksStateUltraLow should not be used according to DC. */
+	for (i = 1; i < vddc_dep_on_dispclk->count; ++i)
+		if (vddc_dep_on_dispclk->entries[i].clk >= cfg->display_clk)
+			return vddc_dep_on_dispclk->entries[i].v;
+
+	return vddc_dep_on_dispclk->entries[vddc_dep_on_dispclk->count - 1].v;
+}
+
+static void smu7_apply_minimum_dce_voltage_request(struct pp_hwmgr *hwmgr)
+{
+	uint32_t req_vddc = smu7_lookup_vddc_from_dispclk(hwmgr);
+
+	smum_send_msg_to_smc_with_parameter(hwmgr,
+			PPSMC_MSG_VddC_Request,
+			req_vddc * VOLTAGE_SCALE,
+			NULL);
+}
+
 static int smu7_upload_dpm_level_enable_mask(struct pp_hwmgr *hwmgr)
 {
 	struct smu7_hwmgr *data = (struct smu7_hwmgr *)(hwmgr->backend);
 
-	if (hwmgr->pp_table_version == PP_TABLE_V1)
-		phm_apply_dal_min_voltage_request(hwmgr);
-/* TO DO  for v0 iceland and Ci*/
+	smu7_apply_minimum_dce_voltage_request(hwmgr);
 
 	if (!data->sclk_dpm_key_disabled) {
 		if (data->dpm_level_enable_mask.sclk_dpm_enable_mask)
@@ -3786,7 +3890,7 @@ static int smu7_get_pp_table_entry_callback_func_v0(struct pp_hwmgr *hwmgr,
 
 	/* Performance levels are arranged from low to high. */
 	performance_level->memory_clock = memory_clock;
-	performance_level->engine_clock = engine_clock;
+	performance_level->engine_clock = min(engine_clock, data->sclk_cap);
 
 	pcie_gen_from_bios = visland_clk_info->ucPCIEGen;
 
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.h b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.h
index d9e8b386bd4d38..66adabeab6a3aa 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.h
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.h
@@ -234,6 +234,7 @@ struct smu7_hwmgr {
 	uint32_t                       pcie_gen_cap;
 	uint32_t                       pcie_lane_cap;
 	uint32_t                       pcie_spc_cap;
+	uint32_t                       sclk_cap;
 	struct smu7_leakage_voltage          vddc_leakage;
 	struct smu7_leakage_voltage          vddci_leakage;
 	struct smu7_leakage_voltage          vddcgfx_leakage;
diff --git a/drivers/gpu/drm/amd/pm/powerplay/smumgr/ci_smumgr.c b/drivers/gpu/drm/amd/pm/powerplay/smumgr/ci_smumgr.c
index 93a1c7248e26ac..43749010fa1ebe 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/smumgr/ci_smumgr.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/smumgr/ci_smumgr.c
@@ -244,7 +244,7 @@ static void ci_initialize_power_tune_defaults(struct pp_hwmgr *hwmgr)
 		smu_data->power_tune_defaults = &defaults_hawaii_pro;
 		break;
 	case 0x67B8:
-	case 0x66B0:
+	case 0x67B0:
 		smu_data->power_tune_defaults = &defaults_hawaii_xt;
 		break;
 	case 0x6640:
@@ -542,12 +542,11 @@ static int ci_populate_dw8(struct pp_hwmgr *hwmgr, uint32_t fuse_table_offset)
 {
 	struct ci_smumgr *smu_data = (struct ci_smumgr *)(hwmgr->smu_backend);
 	const struct ci_pt_defaults *defaults = smu_data->power_tune_defaults;
-	uint32_t temp;
 
 	if (ci_read_smc_sram_dword(hwmgr,
 			fuse_table_offset +
 			offsetof(SMU7_Discrete_PmFuses, TdcWaterfallCtl),
-			(uint32_t *)&temp, SMC_RAM_END))
+			(uint32_t *)&smu_data->power_tune_table.TdcWaterfallCtl, SMC_RAM_END))
 		PP_ASSERT_WITH_CODE(false,
 				"Attempt to read PmFuses.DW6 (SviLoadLineEn) from SMC Failed!",
 				return -EINVAL);
@@ -1216,7 +1215,7 @@ static int ci_populate_single_memory_level(
 	}
 
 	memory_level->EnabledForThrottle = 1;
-	memory_level->EnabledForActivity = 1;
+	memory_level->EnabledForActivity = 0;
 	memory_level->UpH = data->current_profile_setting.mclk_up_hyst;
 	memory_level->DownH = data->current_profile_setting.mclk_down_hyst;
 	memory_level->VoltageDownH = 0;
@@ -1321,16 +1320,25 @@ static int ci_populate_all_memory_levels(struct pp_hwmgr *hwmgr)
 			return result;
 	}
 
+	if (data->mclk_dpm_key_disabled && dpm_table->mclk_table.count) {
+		/* Populate the table with the highest MCLK level when MCLK DPM is disabled */
+		for (i = 0; i < dpm_table->mclk_table.count - 1; i++) {
+			levels[i] = levels[dpm_table->mclk_table.count - 1];
+			levels[i].DisplayWatermark = PPSMC_DISPLAY_WATERMARK_HIGH;
+		}
+	}
+
 	smu_data->smc_state_table.MemoryLevel[0].EnabledForActivity = 1;
 
 	dev_id = adev->pdev->device;
 
-	if ((dpm_table->mclk_table.count >= 2)
-		&& ((dev_id == 0x67B0) ||  (dev_id == 0x67B1))) {
-		smu_data->smc_state_table.MemoryLevel[1].MinVddci =
-				smu_data->smc_state_table.MemoryLevel[0].MinVddci;
-		smu_data->smc_state_table.MemoryLevel[1].MinMvdd =
-				smu_data->smc_state_table.MemoryLevel[0].MinMvdd;
+	if ((dpm_table->mclk_table.count >= 2) &&
+	    ((dev_id == 0x67B0) ||  (dev_id == 0x67B1)) &&
+	    (adev->pdev->revision == 0)) {
+		smu_data->smc_state_table.MemoryLevel[1].MinVddc =
+				smu_data->smc_state_table.MemoryLevel[0].MinVddc;
+		smu_data->smc_state_table.MemoryLevel[1].MinVddcPhases =
+				smu_data->smc_state_table.MemoryLevel[0].MinVddcPhases;
 	}
 	smu_data->smc_state_table.MemoryLevel[0].ActivityLevel = 0x1F;
 	CONVERT_FROM_HOST_TO_SMC_US(smu_data->smc_state_table.MemoryLevel[0].ActivityLevel);
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c b/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c
index 3c372d2deb0a69..4bc2b9101354aa 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_framebuffer.c
@@ -4,6 +4,8 @@
  * Author: James.Qian.Wang <james.qian.wang@arm.com>
  *
  */
+#include <linux/overflow.h>
+
 #include <drm/drm_device.h>
 #include <drm/drm_fb_cma_helper.h>
 #include <drm/drm_gem.h>
@@ -92,7 +94,9 @@ komeda_fb_afbc_size_check(struct komeda_fb *kfb, struct drm_file *file,
 	kfb->afbc_size = kfb->offset_payload + n_blocks *
 			 ALIGN(bpp * AFBC_SUPERBLK_PIXELS / 8,
 			       AFBC_SUPERBLK_ALIGNMENT);
-	min_size = kfb->afbc_size + fb->offsets[0];
+	if (check_add_overflow(kfb->afbc_size, fb->offsets[0], &min_size)) {
+		goto check_failed;
+	}
 	if (min_size > obj->size) {
 		DRM_DEBUG_KMS("afbc size check failed, obj_size: 0x%zx. min_size 0x%llx.\n",
 			      obj->size, min_size);
diff --git a/drivers/gpu/drm/bridge/ite-it66121.c b/drivers/gpu/drm/bridge/ite-it66121.c
index 64912b770086f8..d4c1879def6edf 100644
--- a/drivers/gpu/drm/bridge/ite-it66121.c
+++ b/drivers/gpu/drm/bridge/ite-it66121.c
@@ -955,6 +955,11 @@ static int it66121_probe(struct i2c_client *client,
 	if (ret)
 		return ret;
 
+	ctx->gpio_reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
+	if (IS_ERR(ctx->gpio_reset))
+		return dev_err_probe(dev, PTR_ERR(ctx->gpio_reset),
+				     "Failed to get reset GPIO\n");
+
 	it66121_hw_reset(ctx);
 
 	ctx->regmap = devm_regmap_init_i2c(client, &it66121_regmap_config);
diff --git a/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c b/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c
index e41afcc5326b10..401865181c47f3 100644
--- a/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c
+++ b/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c
@@ -302,7 +302,6 @@ static void ge_b850v3_lvds_remove(void)
 		goto out;
 
 	drm_bridge_remove(&ge_b850v3_lvds_ptr->bridge);
-
 	ge_b850v3_lvds_ptr = NULL;
 out:
 	mutex_unlock(&ge_b850v3_lvds_dev_mutex);
@@ -312,6 +311,7 @@ static int ge_b850v3_register(void)
 {
 	struct i2c_client *stdp4028_i2c = ge_b850v3_lvds_ptr->stdp4028_i2c;
 	struct device *dev = &stdp4028_i2c->dev;
+	int ret;
 
 	/* drm bridge initialization */
 	ge_b850v3_lvds_ptr->bridge.funcs = &ge_b850v3_lvds_funcs;
@@ -329,11 +329,15 @@ static int ge_b850v3_register(void)
 	if (!stdp4028_i2c->irq)
 		return 0;
 
-	return devm_request_threaded_irq(&stdp4028_i2c->dev,
-			stdp4028_i2c->irq, NULL,
-			ge_b850v3_lvds_irq_handler,
-			IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
-			"ge-b850v3-lvds-dp", ge_b850v3_lvds_ptr);
+	ret = devm_request_threaded_irq(&stdp4028_i2c->dev,
+					stdp4028_i2c->irq, NULL,
+					ge_b850v3_lvds_irq_handler,
+					IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
+					"ge-b850v3-lvds-dp", ge_b850v3_lvds_ptr);
+	if (ret)
+		drm_bridge_remove(&ge_b850v3_lvds_ptr->bridge);
+
+	return ret;
 }
 
 static int stdp4028_ge_b850v3_fw_probe(struct i2c_client *stdp4028_i2c,
diff --git a/drivers/gpu/drm/drm_gem_framebuffer_helper.c b/drivers/gpu/drm/drm_gem_framebuffer_helper.c
index 3c75d79dbb6517..9ccc0bc052cf80 100644
--- a/drivers/gpu/drm/drm_gem_framebuffer_helper.c
+++ b/drivers/gpu/drm/drm_gem_framebuffer_helper.c
@@ -159,8 +159,8 @@ int drm_gem_fb_init_with_funcs(struct drm_device *dev,
 	}
 
 	for (i = 0; i < info->num_planes; i++) {
-		unsigned int width = mode_cmd->width / (i ? info->hsub : 1);
-		unsigned int height = mode_cmd->height / (i ? info->vsub : 1);
+		unsigned int width = drm_format_info_plane_width(info, mode_cmd->width, i);
+		unsigned int height = drm_format_info_plane_height(info, mode_cmd->height, i);
 		unsigned int min_size;
 
 		objs[i] = drm_gem_object_lookup(file, mode_cmd->handles[i]);
diff --git a/drivers/gpu/drm/gma500/oaktrail_hdmi.c b/drivers/gpu/drm/gma500/oaktrail_hdmi.c
index 08e83b75131977..915ea221f45239 100644
--- a/drivers/gpu/drm/gma500/oaktrail_hdmi.c
+++ b/drivers/gpu/drm/gma500/oaktrail_hdmi.c
@@ -576,6 +576,7 @@ static int oaktrail_hdmi_get_modes(struct drm_connector *connector)
 	} else {
 		edid = (struct edid *)raw_edid;
 		/* FIXME ? edid = drm_get_edid(connector, i2c_adap); */
+		i2c_put_adapter(i2c_adap);
 	}
 
 	if (edid) {
diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index 40852cb5831f84..b578e941103f8a 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -1540,8 +1540,13 @@ static void intel_dp_compute_vsc_colorimetry(const struct intel_crtc_state *crtc
 	drm_WARN_ON(&dev_priv->drm,
 		    vsc->bpc == 6 && vsc->pixelformat != DP_PIXELFORMAT_RGB);
 
-	/* all YCbCr are always limited range */
-	vsc->dynamic_range = DP_DYNAMIC_RANGE_CTA;
+	/* All YCbCr formats are always limited range. */
+	if (vsc->pixelformat == DP_PIXELFORMAT_RGB)
+		vsc->dynamic_range = crtc_state->limited_color_range ?
+			DP_DYNAMIC_RANGE_CTA : DP_DYNAMIC_RANGE_VESA;
+	else
+		vsc->dynamic_range = DP_DYNAMIC_RANGE_CTA;
+
 	vsc->content_type = DP_CONTENT_TYPE_NOT_DEFINED;
 }
 
diff --git a/drivers/gpu/drm/i915/gt/intel_reset.c b/drivers/gpu/drm/i915/gt/intel_reset.c
index 9dc244b70ce4b2..113a203af258ba 100644
--- a/drivers/gpu/drm/i915/gt/intel_reset.c
+++ b/drivers/gpu/drm/i915/gt/intel_reset.c
@@ -137,7 +137,8 @@ void __i915_request_reset(struct i915_request *rq, bool guilty)
 	rcu_read_lock(); /* protect the GEM context */
 	if (guilty) {
 		i915_request_set_error_once(rq, -EIO);
-		__i915_request_skip(rq);
+		if (!i915_request_signaled(rq))
+			__i915_request_skip(rq);
 		banned = mark_guilty(rq);
 	} else {
 		i915_request_set_error_once(rq, -EAGAIN);
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
index 61d0bb8c2fe0b7..b25395af39b297 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c
@@ -642,7 +642,7 @@ static void a6xx_get_crashdumper_hlsq_registers(struct msm_gpu *gpu,
 	u64 out = dumper->iova + A6XX_CD_DATA_OFFSET;
 	int i, regcount = 0;
 
-	in += CRASHDUMP_WRITE(in, REG_A6XX_HLSQ_DBG_READ_SEL, regs->val1);
+	in += CRASHDUMP_WRITE(in, REG_A6XX_HLSQ_DBG_READ_SEL, (regs->val1 & 0xff) << 8);
 
 	for (i = 0; i < regs->count; i += 2) {
 		u32 count = RANGE(regs->registers, i);
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_hfi.c b/drivers/gpu/drm/msm/adreno/a6xx_hfi.c
index a40ad74877623b..8f1a02e1996815 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_hfi.c
+++ b/drivers/gpu/drm/msm/adreno/a6xx_hfi.c
@@ -29,7 +29,7 @@ static int a6xx_hfi_queue_read(struct a6xx_gmu *gmu,
 	struct a6xx_hfi_queue_header *header = queue->header;
 	u32 i, hdr, index = header->read_index;
 
-	if (header->read_index == header->write_index) {
+	if (header->read_index == READ_ONCE(header->write_index)) {
 		header->rx_request = 1;
 		return 0;
 	}
@@ -55,7 +55,10 @@ static int a6xx_hfi_queue_read(struct a6xx_gmu *gmu,
 	if (!gmu->legacy)
 		index = ALIGN(index, 4) % header->size;
 
-	header->read_index = index;
+	/* Ensure all memory operations are complete before updating the read index */
+	dma_mb();
+
+	WRITE_ONCE(header->read_index, index);
 	return HFI_HEADER_SIZE(hdr);
 }
 
@@ -67,7 +70,7 @@ static int a6xx_hfi_queue_write(struct a6xx_gmu *gmu,
 
 	spin_lock(&queue->lock);
 
-	space = CIRC_SPACE(header->write_index, header->read_index,
+	space = CIRC_SPACE(header->write_index, READ_ONCE(header->read_index),
 		header->size);
 	if (space < dwords) {
 		header->dropped++;
@@ -86,7 +89,10 @@ static int a6xx_hfi_queue_write(struct a6xx_gmu *gmu,
 			queue->data[index] = 0xfafafafa;
 	}
 
-	header->write_index = index;
+	/* Ensure all memory operations are complete before updating the write index */
+	dma_mb();
+
+	WRITE_ONCE(header->write_index, index);
 	spin_unlock(&queue->lock);
 
 	gmu_write(gmu, REG_A6XX_GMU_HOST2GMU_INTR_SET, 0x01);
diff --git a/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c b/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c
index badafcd61998fe..e3615a1339ade5 100644
--- a/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c
+++ b/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c
@@ -7,7 +7,7 @@
 
 #include "msm_disp_snapshot.h"
 
-static void msm_disp_state_dump_regs(u32 **reg, u32 aligned_len, void __iomem *base_addr)
+static void msm_disp_state_dump_regs(u32 **reg, u32 len, void __iomem *base_addr)
 {
 	u32 len_padded;
 	u32 num_rows;
@@ -17,11 +17,11 @@ static void msm_disp_state_dump_regs(u32 **reg, u32 aligned_len, void __iomem *b
 	void __iomem *end_addr;
 	int i;
 
-	len_padded = aligned_len * REG_DUMP_ALIGN;
-	num_rows = aligned_len / REG_DUMP_ALIGN;
+	len_padded = round_up(len, REG_DUMP_ALIGN);
+	num_rows = DIV_ROUND_UP(len, REG_DUMP_ALIGN);
 
 	addr = base_addr;
-	end_addr = base_addr + aligned_len;
+	end_addr = base_addr + len;
 
 	if (!(*reg))
 		*reg = kvzalloc(len_padded, GFP_KERNEL);
@@ -49,8 +49,8 @@ static void msm_disp_state_dump_regs(u32 **reg, u32 aligned_len, void __iomem *b
 static void msm_disp_state_print_regs(const u32 *dump_addr, u32 len,
 		void __iomem *base_addr, struct drm_printer *p)
 {
+	void __iomem *addr, *end_addr;
 	int i;
-	void __iomem *addr;
 	u32 num_rows;
 
 	if (!dump_addr) {
@@ -59,6 +59,7 @@ static void msm_disp_state_print_regs(const u32 *dump_addr, u32 len,
 	}
 
 	addr = base_addr;
+	end_addr = base_addr + len;
 	num_rows = len / REG_DUMP_ALIGN;
 
 	for (i = 0; i < num_rows; i++) {
@@ -68,6 +69,17 @@ static void msm_disp_state_print_regs(const u32 *dump_addr, u32 len,
 				dump_addr[i * 4 + 2], dump_addr[i * 4 + 3]);
 		addr += REG_DUMP_ALIGN;
 	}
+
+	if (addr != end_addr) {
+		drm_printf(p, "0x%lx : %08x",
+			   (unsigned long)(addr - base_addr),
+			   dump_addr[i * 4]);
+		if (addr + 0x4 < end_addr)
+			drm_printf(p, " %08x", dump_addr[i * 4 + 1]);
+		if (addr + 0x8 < end_addr)
+			drm_printf(p, " %08x", dump_addr[i * 4 + 2]);
+		drm_printf(p, "\n");
+	}
 }
 
 void msm_disp_state_print(struct msm_disp_state *state, struct drm_printer *p)
@@ -182,7 +194,7 @@ void msm_disp_snapshot_add_block(struct msm_disp_state *disp_state, u32 len,
 	va_end(va);
 
 	INIT_LIST_HEAD(&new_blk->node);
-	new_blk->size = ALIGN(len, REG_DUMP_ALIGN);
+	new_blk->size = len;
 	new_blk->base_addr = base_addr;
 
 	msm_disp_state_dump_regs(&new_blk->state, new_blk->size, base_addr);
diff --git a/drivers/gpu/drm/msm/dsi/dsi_cfg.c b/drivers/gpu/drm/msm/dsi/dsi_cfg.c
index 68a3f8fea9fe62..f61ccdf2b7398b 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_cfg.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_cfg.c
@@ -268,10 +268,10 @@ static const struct msm_dsi_cfg_handler dsi_cfg_handlers[] = {
 		&msm8996_dsi_cfg, &msm_dsi_6g_host_ops},
 	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V1_4_2,
 		&msm8976_dsi_cfg, &msm_dsi_6g_host_ops},
+	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V2_0_0,
+		&msm8998_dsi_cfg, &msm_dsi_6g_v2_host_ops},
 	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V2_1_0,
 		&sdm660_dsi_cfg, &msm_dsi_6g_v2_host_ops},
-	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V2_2_0,
-		&msm8998_dsi_cfg, &msm_dsi_6g_v2_host_ops},
 	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V2_2_1,
 		&sdm845_dsi_cfg, &msm_dsi_6g_v2_host_ops},
 	{MSM_DSI_VER_MAJOR_6G, MSM_DSI_6G_VER_MINOR_V2_3_0,
diff --git a/drivers/gpu/drm/msm/dsi/dsi_cfg.h b/drivers/gpu/drm/msm/dsi/dsi_cfg.h
index 41e99a9fb5de58..426ed4c97ae520 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_cfg.h
+++ b/drivers/gpu/drm/msm/dsi/dsi_cfg.h
@@ -18,8 +18,8 @@
 #define MSM_DSI_6G_VER_MINOR_V1_3_1	0x10030001
 #define MSM_DSI_6G_VER_MINOR_V1_4_1	0x10040001
 #define MSM_DSI_6G_VER_MINOR_V1_4_2	0x10040002
+#define MSM_DSI_6G_VER_MINOR_V2_0_0	0x20000000
 #define MSM_DSI_6G_VER_MINOR_V2_1_0	0x20010000
-#define MSM_DSI_6G_VER_MINOR_V2_2_0	0x20000000
 #define MSM_DSI_6G_VER_MINOR_V2_2_1	0x20020001
 #define MSM_DSI_6G_VER_MINOR_V2_3_0	0x20030000
 #define MSM_DSI_6G_VER_MINOR_V2_4_0	0x20040000
diff --git a/drivers/gpu/drm/msm/msm_iommu.c b/drivers/gpu/drm/msm/msm_iommu.c
index ef4da3f0cd22db..ede7510562f9d8 100644
--- a/drivers/gpu/drm/msm/msm_iommu.c
+++ b/drivers/gpu/drm/msm/msm_iommu.c
@@ -262,14 +262,15 @@ static int msm_iommu_map(struct msm_mmu *mmu, uint64_t iova,
 		struct sg_table *sgt, size_t len, int prot)
 {
 	struct msm_iommu *iommu = to_msm_iommu(mmu);
-	size_t ret;
+	ssize_t ret;
 
 	/* The arm-smmu driver expects the addresses to be sign extended */
 	if (iova & BIT_ULL(48))
 		iova |= GENMASK_ULL(63, 49);
 
 	ret = iommu_map_sgtable(iommu->domain, iova, sgt, prot);
-	WARN_ON(!ret);
+	if (ret < 0)
+		return ret;
 
 	return (ret == len) ? 0 : -EINVAL;
 }
diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c
index 112884c10aeddd..7de846a9192321 100644
--- a/drivers/gpu/drm/nouveau/nouveau_gem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
@@ -668,7 +668,7 @@ nouveau_gem_pushbuf_reloc_apply(struct nouveau_cli *cli,
 		}
 		nvbo = (void *)(unsigned long)bo[r->reloc_bo_index].user_priv;
 
-		if (unlikely(r->reloc_bo_offset + 4 >
+		if (unlikely((u64)r->reloc_bo_offset + 4 >
 			     nvbo->bo.base.size)) {
 			NV_PRINTK(err, cli, "reloc outside of bo\n");
 			ret = -EINVAL;
diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 17e1aaa706f1b6..539b58af565ee8 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -1388,7 +1388,7 @@ static const struct panel_desc auo_g190ean01 = {
 		.height = 301,
 	},
 	.delay = {
-		.prepare = 50,
+		.prepare = 30,
 		.enable = 200,
 		.disable = 110,
 		.unprepare = 1000,
diff --git a/drivers/gpu/drm/panfrost/panfrost_drv.c b/drivers/gpu/drm/panfrost/panfrost_drv.c
index c2d1633ddec5a9..80dbb9a02f97aa 100644
--- a/drivers/gpu/drm/panfrost/panfrost_drv.c
+++ b/drivers/gpu/drm/panfrost/panfrost_drv.c
@@ -319,6 +319,8 @@ panfrost_ioctl_wait_bo(struct drm_device *dev, void *data,
 	ret = dma_resv_wait_timeout(gem_obj->resv, true, true, timeout);
 	if (!ret)
 		ret = timeout ? -ETIMEDOUT : -EBUSY;
+	else if (ret > 0)
+		ret = 0;
 
 	drm_gem_object_put(gem_obj);
 
diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c
index 4f93cc81ca7a08..1793376b7500aa 100644
--- a/drivers/gpu/drm/radeon/ci_dpm.c
+++ b/drivers/gpu/drm/radeon/ci_dpm.c
@@ -2469,7 +2469,8 @@ static void ci_register_patching_mc_arb(struct radeon_device *rdev,
 
 	if (patch &&
 	    ((rdev->pdev->device == 0x67B0) ||
-	     (rdev->pdev->device == 0x67B1))) {
+	     (rdev->pdev->device == 0x67B1)) &&
+	    (rdev->pdev->revision == 0)) {
 		if ((memory_clock > 100000) && (memory_clock <= 125000)) {
 			tmp2 = (((0x31 * engine_clock) / 125000) - 1) & 0xff;
 			*dram_timimg2 &= ~0x00ff0000;
@@ -3310,7 +3311,8 @@ static int ci_populate_all_memory_levels(struct radeon_device *rdev)
 	pi->smc_state_table.MemoryLevel[0].EnabledForActivity = 1;
 
 	if ((dpm_table->mclk_table.count >= 2) &&
-	    ((rdev->pdev->device == 0x67B0) || (rdev->pdev->device == 0x67B1))) {
+	    ((rdev->pdev->device == 0x67B0) || (rdev->pdev->device == 0x67B1)) &&
+	    (rdev->pdev->revision == 0)) {
 		pi->smc_state_table.MemoryLevel[1].MinVddc =
 			pi->smc_state_table.MemoryLevel[0].MinVddc;
 		pi->smc_state_table.MemoryLevel[1].MinVddcPhases =
@@ -4507,7 +4509,8 @@ static int ci_register_patching_mc_seq(struct radeon_device *rdev,
 
 	if (patch &&
 	    ((rdev->pdev->device == 0x67B0) ||
-	     (rdev->pdev->device == 0x67B1))) {
+	     (rdev->pdev->device == 0x67B1)) &&
+	    (rdev->pdev->revision == 0)) {
 		for (i = 0; i < table->last; i++) {
 			if (table->last >= SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE)
 				return -EINVAL;
diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.c b/drivers/gpu/drm/sun4i/sun4i_backend.c
index bf8cfefa036527..b8787850872955 100644
--- a/drivers/gpu/drm/sun4i/sun4i_backend.c
+++ b/drivers/gpu/drm/sun4i/sun4i_backend.c
@@ -876,7 +876,8 @@ static int sun4i_backend_bind(struct device *dev, struct device *master,
 						     &sun4i_backend_regmap_config);
 	if (IS_ERR(backend->engine.regs)) {
 		dev_err(dev, "Couldn't create the backend regmap\n");
-		return PTR_ERR(backend->engine.regs);
+		ret = PTR_ERR(backend->engine.regs);
+		goto err_disable_ram_clk;
 	}
 
 	list_add_tail(&backend->engine.list, &drv->engine_list);
diff --git a/drivers/gpu/drm/tiny/arcpgu.c b/drivers/gpu/drm/tiny/arcpgu.c
index f8531c50a072fb..8af1de332ddb92 100644
--- a/drivers/gpu/drm/tiny/arcpgu.c
+++ b/drivers/gpu/drm/tiny/arcpgu.c
@@ -245,7 +245,8 @@ DEFINE_DRM_GEM_CMA_FOPS(arcpgu_drm_ops);
 static int arcpgu_load(struct arcpgu_drm_private *arcpgu)
 {
 	struct platform_device *pdev = to_platform_device(arcpgu->drm.dev);
-	struct device_node *encoder_node = NULL, *endpoint_node = NULL;
+	struct device_node *encoder_node __free(device_node) = NULL;
+	struct device_node *endpoint_node = NULL;
 	struct drm_connector *connector = NULL;
 	struct drm_device *drm = &arcpgu->drm;
 	struct resource *res;
diff --git a/drivers/gpu/drm/vc4/vc4_bo.c b/drivers/gpu/drm/vc4/vc4_bo.c
index f642bd6e71ff49..4703f180cde60c 100644
--- a/drivers/gpu/drm/vc4/vc4_bo.c
+++ b/drivers/gpu/drm/vc4/vc4_bo.c
@@ -713,12 +713,15 @@ static int vc4_gem_object_mmap(struct drm_gem_object *obj, struct vm_area_struct
 		return -EINVAL;
 	}
 
+	mutex_lock(&bo->madv_lock);
 	if (bo->madv != VC4_MADV_WILLNEED) {
 		DRM_DEBUG("mmaping of %s BO not allowed\n",
 			  bo->madv == VC4_MADV_DONTNEED ?
 			  "purgeable" : "purged");
+		mutex_unlock(&bo->madv_lock);
 		return -EINVAL;
 	}
+	mutex_unlock(&bo->madv_lock);
 
 	return drm_gem_cma_mmap(obj, vma);
 }
diff --git a/drivers/gpu/drm/vc4/vc4_gem.c b/drivers/gpu/drm/vc4/vc4_gem.c
index 445d3bab89e0a2..a52736cf1f7a35 100644
--- a/drivers/gpu/drm/vc4/vc4_gem.c
+++ b/drivers/gpu/drm/vc4/vc4_gem.c
@@ -60,6 +60,7 @@ vc4_free_hang_state(struct drm_device *dev, struct vc4_hang_state *state)
 	for (i = 0; i < state->user_state.bo_count; i++)
 		drm_gem_object_put(state->bo[i]);
 
+	kfree(state->bo);
 	kfree(state);
 }
 
@@ -165,10 +166,8 @@ vc4_save_hang_state(struct drm_device *dev)
 	spin_lock_irqsave(&vc4->job_lock, irqflags);
 	exec[0] = vc4_first_bin_job(vc4);
 	exec[1] = vc4_first_render_job(vc4);
-	if (!exec[0] && !exec[1]) {
-		spin_unlock_irqrestore(&vc4->job_lock, irqflags);
-		return;
-	}
+	if (!exec[0] && !exec[1])
+		goto err_free_state;
 
 	/* Get the bos from both binner and renderer into hang state. */
 	state->bo_count = 0;
@@ -185,10 +184,8 @@ vc4_save_hang_state(struct drm_device *dev)
 	kernel_state->bo = kcalloc(state->bo_count,
 				   sizeof(*kernel_state->bo), GFP_ATOMIC);
 
-	if (!kernel_state->bo) {
-		spin_unlock_irqrestore(&vc4->job_lock, irqflags);
-		return;
-	}
+	if (!kernel_state->bo)
+		goto err_free_state;
 
 	k = 0;
 	for (i = 0; i < 2; i++) {
@@ -280,6 +277,12 @@ vc4_save_hang_state(struct drm_device *dev)
 		vc4->hang_state = kernel_state;
 		spin_unlock_irqrestore(&vc4->job_lock, irqflags);
 	}
+
+	return;
+
+err_free_state:
+	spin_unlock_irqrestore(&vc4->job_lock, irqflags);
+	kfree(kernel_state);
 }
 
 static void
diff --git a/drivers/hid/hid-alps.c b/drivers/hid/hid-alps.c
index db146d0f7937e9..cd60a52b9beb96 100644
--- a/drivers/hid/hid-alps.c
+++ b/drivers/hid/hid-alps.c
@@ -437,6 +437,9 @@ static int alps_raw_event(struct hid_device *hdev,
 	int ret = 0;
 	struct alps_dev *hdata = hid_get_drvdata(hdev);
 
+	if (!(hdev->claimed & HID_CLAIMED_INPUT) || !hdata->input)
+		return 0;
+
 	switch (hdev->product) {
 	case HID_PRODUCT_ID_T4_BTNLESS:
 		ret = t4_raw_event(hdata, data, size);
diff --git a/drivers/hid/hid-asus.c b/drivers/hid/hid-asus.c
index 3be17a8b7a2930..df12b75d2fa2b1 100644
--- a/drivers/hid/hid-asus.c
+++ b/drivers/hid/hid-asus.c
@@ -1014,7 +1014,8 @@ static int asus_start_multitouch(struct hid_device *hdev)
 	return 0;
 }
 
-static int __maybe_unused asus_resume(struct hid_device *hdev) {
+static int __maybe_unused asus_resume(struct hid_device *hdev)
+{
 	struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
 	int ret = 0;
 
@@ -1141,22 +1142,17 @@ static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id)
 	 * were freed during registration due to no usages being mapped,
 	 * leaving drvdata->input pointing to freed memory.
 	 */
-	if (!drvdata->input || !(hdev->claimed & HID_CLAIMED_INPUT)) {
-		hid_err(hdev, "Asus input not registered\n");
-		ret = -ENOMEM;
-		goto err_stop_hw;
-	}
-
-	if (drvdata->tp) {
-		drvdata->input->name = "Asus TouchPad";
-	} else {
-		drvdata->input->name = "Asus Keyboard";
-	}
+	if (drvdata->input && (hdev->claimed & HID_CLAIMED_INPUT)) {
+		if (drvdata->tp)
+			drvdata->input->name = "Asus TouchPad";
+		else
+			drvdata->input->name = "Asus Keyboard";
 
-	if (drvdata->tp) {
-		ret = asus_start_multitouch(hdev);
-		if (ret)
-			goto err_stop_hw;
+		if (drvdata->tp) {
+			ret = asus_start_multitouch(hdev);
+			if (ret)
+				goto err_stop_hw;
+		}
 	}
 
 	return 0;
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index d49a8c458206fa..4fb573ee31b2ca 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1354,6 +1354,9 @@ static u32 s32ton(__s32 value, unsigned n)
 	if (!value || !n)
 		return 0;
 
+	if (n > 32)
+		n = 32;
+
 	a = value >> (n - 1);
 	if (a && a != -1)
 		return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 37beb969268c3a..66df53c20ed081 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -22,6 +22,9 @@
 #define USB_DEVICE_ID_3M2256		0x0502
 #define USB_DEVICE_ID_3M3266		0x0506
 
+#define USB_VENDOR_ID_8BITDO		0x2dc8
+#define USB_DEVICE_ID_8BITDO_PRO_3	0x6009
+
 #define USB_VENDOR_ID_A4TECH		0x09da
 #define USB_DEVICE_ID_A4TECH_WCP32PU	0x0006
 #define USB_DEVICE_ID_A4TECH_X5_005D	0x000a
diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c
index 2a07db02ad9328..6e9501fe1a2813 100644
--- a/drivers/hid/hid-quirks.c
+++ b/drivers/hid/hid-quirks.c
@@ -25,6 +25,7 @@
  */
 
 static const struct hid_device_id hid_quirks[] = {
+	{ HID_USB_DEVICE(USB_VENDOR_ID_8BITDO, USB_DEVICE_ID_8BITDO_PRO_3), HID_QUIRK_ALWAYS_POLL },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_GAMEPAD), HID_QUIRK_BADPAD },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_AASHIMA, USB_DEVICE_ID_AASHIMA_PREDATOR), HID_QUIRK_BADPAD },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ADATA_XPG, USB_VENDOR_ID_ADATA_XPG_WL_GAMING_MOUSE), HID_QUIRK_ALWAYS_POLL },
@@ -221,7 +222,7 @@ static const struct hid_device_id hid_quirks[] = {
  * used as a driver. See hid_scan_report().
  */
 static const struct hid_device_id hid_have_special_driver[] = {
-#if IS_ENABLED(CONFIG_APPLEDISPLAY)
+#if IS_ENABLED(CONFIG_USB_APPLEDISPLAY)
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, 0x9218) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, 0x9219) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, 0x921c) },
diff --git a/drivers/hid/hid-roccat.c b/drivers/hid/hid-roccat.c
index 6da80e442fdd10..420e4335c3e830 100644
--- a/drivers/hid/hid-roccat.c
+++ b/drivers/hid/hid-roccat.c
@@ -257,6 +257,7 @@ int roccat_report_event(int minor, u8 const *data)
 	if (!new_value)
 		return -ENOMEM;
 
+	mutex_lock(&device->readers_lock);
 	mutex_lock(&device->cbuf_lock);
 
 	report = &device->cbuf[device->cbuf_end];
@@ -279,6 +280,7 @@ int roccat_report_event(int minor, u8 const *data)
 	}
 
 	mutex_unlock(&device->cbuf_lock);
+	mutex_unlock(&device->readers_lock);
 
 	wake_up_interruptible(&device->wait);
 	return 0;
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 5faa6085638147..b182b288991a64 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -1544,7 +1544,7 @@ static int hid_post_reset(struct usb_interface *intf)
 	 * configuration descriptors passed, we already know that
 	 * the size of the HID report descriptor has not changed.
 	 */
-	rdesc = kmalloc(hid->dev_rsize, GFP_KERNEL);
+	rdesc = kmalloc(hid->dev_rsize, GFP_NOIO);
 	if (!rdesc)
 		return -ENOMEM;
 
diff --git a/drivers/hwmon/corsair-psu.c b/drivers/hwmon/corsair-psu.c
index ae983e715110e6..e3a46e5369c46e 100644
--- a/drivers/hwmon/corsair-psu.c
+++ b/drivers/hwmon/corsair-psu.c
@@ -716,13 +716,13 @@ static int corsairpsu_probe(struct hid_device *hdev, const struct hid_device_id
 	ret = corsairpsu_init(priv);
 	if (ret < 0) {
 		dev_err(&hdev->dev, "unable to initialize device (%d)\n", ret);
-		goto fail_and_stop;
+		goto fail_and_close;
 	}
 
 	ret = corsairpsu_fwinfo(priv);
 	if (ret < 0) {
 		dev_err(&hdev->dev, "unable to query firmware (%d)\n", ret);
-		goto fail_and_stop;
+		goto fail_and_close;
 	}
 
 	corsairpsu_get_criticals(priv);
diff --git a/drivers/hwmon/ltc2992.c b/drivers/hwmon/ltc2992.c
index 838b679a12d4f2..c927125a8717be 100644
--- a/drivers/hwmon/ltc2992.c
+++ b/drivers/hwmon/ltc2992.c
@@ -422,10 +422,16 @@ static int ltc2992_get_voltage(struct ltc2992_state *st, u32 reg, u32 scale, lon
 
 static int ltc2992_set_voltage(struct ltc2992_state *st, u32 reg, u32 scale, long val)
 {
-	val = DIV_ROUND_CLOSEST(val * 1000, scale);
-	val = val << 4;
+	u32 reg_val;
+	long vmax;
+
+	vmax = DIV_ROUND_CLOSEST_ULL(0xFFFULL * scale, 1000);
+	val = max(val, 0L);
+	val = min(val, vmax);
+	reg_val = min(DIV_ROUND_CLOSEST_ULL((u64)val * 1000, scale),
+		      0xFFFULL) << 4;
 
-	return ltc2992_write_reg(st, reg, 2, val);
+	return ltc2992_write_reg(st, reg, 2, reg_val);
 }
 
 static int ltc2992_read_gpio_alarm(struct ltc2992_state *st, int nr_gpio, u32 attr, long *val)
@@ -550,9 +556,15 @@ static int ltc2992_get_current(struct ltc2992_state *st, u32 reg, u32 channel, l
 static int ltc2992_set_current(struct ltc2992_state *st, u32 reg, u32 channel, long val)
 {
 	u32 reg_val;
+	long cmax;
 
-	reg_val = DIV_ROUND_CLOSEST(val * st->r_sense_uohm[channel], LTC2992_IADC_NANOV_LSB);
-	reg_val = reg_val << 4;
+	cmax = DIV_ROUND_CLOSEST_ULL(0xFFFULL * LTC2992_IADC_NANOV_LSB,
+				     st->r_sense_uohm[channel]);
+	val = max(val, 0L);
+	val = min(val, cmax);
+	reg_val = min(DIV_ROUND_CLOSEST_ULL((u64)val * st->r_sense_uohm[channel],
+					    LTC2992_IADC_NANOV_LSB),
+		      0xFFFULL) << 4;
 
 	return ltc2992_write_reg(st, reg, 2, reg_val);
 }
@@ -616,8 +628,10 @@ static int ltc2992_get_power(struct ltc2992_state *st, u32 reg, u32 channel, lon
 	if (reg_val < 0)
 		return reg_val;
 
-	*val = mul_u64_u32_div(reg_val, LTC2992_VADC_UV_LSB * LTC2992_IADC_NANOV_LSB,
-			       st->r_sense_uohm[channel] * 1000);
+	*val = mul_u64_u32_div(reg_val,
+			       LTC2992_VADC_UV_LSB / 1000 *
+			       LTC2992_IADC_NANOV_LSB,
+			       st->r_sense_uohm[channel]);
 
 	return 0;
 }
@@ -625,9 +639,18 @@ static int ltc2992_get_power(struct ltc2992_state *st, u32 reg, u32 channel, lon
 static int ltc2992_set_power(struct ltc2992_state *st, u32 reg, u32 channel, long val)
 {
 	u32 reg_val;
-
-	reg_val = mul_u64_u32_div(val, st->r_sense_uohm[channel] * 1000,
-				  LTC2992_VADC_UV_LSB * LTC2992_IADC_NANOV_LSB);
+	u64 pmax, uval;
+
+	uval = max(val, 0L);
+	pmax = mul_u64_u32_div(0xFFFFFFULL,
+			       LTC2992_VADC_UV_LSB / 1000 *
+			       LTC2992_IADC_NANOV_LSB,
+			       st->r_sense_uohm[channel]);
+	uval = min(uval, pmax);
+	reg_val = min(mul_u64_u32_div(uval, st->r_sense_uohm[channel],
+				      LTC2992_VADC_UV_LSB / 1000 *
+				      LTC2992_IADC_NANOV_LSB),
+		      0xFFFFFFULL);
 
 	return ltc2992_write_reg(st, reg, 3, reg_val);
 }
diff --git a/drivers/hwmon/pmbus/adm1266.c b/drivers/hwmon/pmbus/adm1266.c
index 1ac2b2f4c5705f..a616439cecbf51 100644
--- a/drivers/hwmon/pmbus/adm1266.c
+++ b/drivers/hwmon/pmbus/adm1266.c
@@ -46,6 +46,7 @@
 
 #define ADM1266_BLACKBOX_OFFSET		0
 #define ADM1266_BLACKBOX_SIZE		64
+#define ADM1266_BLACKBOX_MAX_RECORDS	32
 
 #define ADM1266_PMBUS_BLOCK_MAX		255
 
@@ -60,7 +61,7 @@ struct adm1266_data {
 	u8 *dev_mem;
 	struct mutex buf_mutex;
 	u8 write_buf[ADM1266_PMBUS_BLOCK_MAX + 1] ____cacheline_aligned;
-	u8 read_buf[ADM1266_PMBUS_BLOCK_MAX + 1] ____cacheline_aligned;
+	u8 read_buf[ADM1266_PMBUS_BLOCK_MAX + 2] ____cacheline_aligned;
 };
 
 static const struct nvmem_cell_info adm1266_nvmem_cells[] = {
@@ -175,6 +176,8 @@ static int adm1266_gpio_get(struct gpio_chip *chip, unsigned int offset)
 	ret = i2c_smbus_read_block_data(data->client, pmbus_cmd, read_buf);
 	if (ret < 0)
 		return ret;
+	if (ret < 2)
+		return -EIO;
 
 	pins_status = read_buf[0] + (read_buf[1] << 8);
 	if (offset < ADM1266_GPIO_NR)
@@ -195,6 +198,8 @@ static int adm1266_gpio_get_multiple(struct gpio_chip *chip, unsigned long *mask
 	ret = i2c_smbus_read_block_data(data->client, ADM1266_GPIO_STATUS, read_buf);
 	if (ret < 0)
 		return ret;
+	if (ret < 2)
+		return -EIO;
 
 	status = read_buf[0] + (read_buf[1] << 8);
 
@@ -207,11 +212,12 @@ static int adm1266_gpio_get_multiple(struct gpio_chip *chip, unsigned long *mask
 	ret = i2c_smbus_read_block_data(data->client, ADM1266_PDIO_STATUS, read_buf);
 	if (ret < 0)
 		return ret;
+	if (ret < 2)
+		return -EIO;
 
 	status = read_buf[0] + (read_buf[1] << 8);
 
-	*bits = 0;
-	for_each_set_bit_from(gpio_nr, mask, ADM1266_GPIO_NR + ADM1266_PDIO_STATUS) {
+	for_each_set_bit_from(gpio_nr, mask, ADM1266_GPIO_NR + ADM1266_PDIO_NR) {
 		if (test_bit(gpio_nr - ADM1266_GPIO_NR, &status))
 			set_bit(gpio_nr, bits);
 	}
@@ -349,9 +355,10 @@ static void adm1266_init_debugfs(struct adm1266_data *data)
 
 static int adm1266_nvmem_read_blackbox(struct adm1266_data *data, u8 *read_buff)
 {
+	u8 record[ADM1266_PMBUS_BLOCK_MAX];
 	int record_count;
 	char index;
-	u8 buf[5];
+	u8 buf[I2C_SMBUS_BLOCK_MAX];
 	int ret;
 
 	ret = i2c_smbus_read_block_data(data->client, ADM1266_BLACKBOX_INFO, buf);
@@ -362,15 +369,18 @@ static int adm1266_nvmem_read_blackbox(struct adm1266_data *data, u8 *read_buff)
 		return -EIO;
 
 	record_count = buf[3];
+	if (record_count > ADM1266_BLACKBOX_MAX_RECORDS)
+		return -EIO;
 
 	for (index = 0; index < record_count; index++) {
-		ret = adm1266_pmbus_block_xfer(data, ADM1266_READ_BLACKBOX, 1, &index, read_buff);
+		ret = adm1266_pmbus_block_xfer(data, ADM1266_READ_BLACKBOX, 1, &index, record);
 		if (ret < 0)
 			return ret;
 
 		if (ret != ADM1266_BLACKBOX_SIZE)
 			return -EIO;
 
+		memcpy(read_buff, record, ADM1266_BLACKBOX_SIZE);
 		read_buff += ADM1266_BLACKBOX_SIZE;
 	}
 
@@ -434,7 +444,7 @@ static int adm1266_set_rtc(struct adm1266_data *data)
 	char write_buf[6];
 	int i;
 
-	kt = ktime_get_seconds();
+	kt = ktime_get_real_seconds();
 
 	memset(write_buf, 0, sizeof(write_buf));
 
@@ -464,20 +474,20 @@ static int adm1266_probe(struct i2c_client *client)
 	crc8_populate_msb(pmbus_crc_table, 0x7);
 	mutex_init(&data->buf_mutex);
 
-	ret = adm1266_config_gpio(data);
+	ret = adm1266_set_rtc(data);
 	if (ret < 0)
 		return ret;
 
-	ret = adm1266_set_rtc(data);
-	if (ret < 0)
+	ret = pmbus_do_probe(client, &data->info);
+	if (ret)
 		return ret;
 
 	ret = adm1266_config_nvmem(data);
 	if (ret < 0)
 		return ret;
 
-	ret = pmbus_do_probe(client, &data->info);
-	if (ret)
+	ret = adm1266_config_gpio(data);
+	if (ret < 0)
 		return ret;
 
 	adm1266_init_debugfs(data);
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index 0777848b33161c..fc9e0c6a0fba7b 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -508,8 +508,13 @@ static int i2c_s3c_irq_nextbyte(struct s3c24xx_i2c *i2c, unsigned long iicstat)
 		i2c->msg->buf[i2c->msg_ptr++] = byte;
 
 		/* Add actual length to read for smbus block read */
-		if (i2c->msg->flags & I2C_M_RECV_LEN && i2c->msg->len == 1)
+		if (i2c->msg->flags & I2C_M_RECV_LEN && i2c->msg->len == 1) {
+			if (byte == 0 || byte > I2C_SMBUS_BLOCK_MAX) {
+				s3c24xx_i2c_stop(i2c, -EPROTO);
+				break;
+			}
 			i2c->msg->len += byte;
+		}
  prepare_read:
 		if (is_msglast(i2c)) {
 			/* last byte of buffer */
diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c
index dee694024f2801..5df943d25cf0a6 100644
--- a/drivers/i3c/master.c
+++ b/drivers/i3c/master.c
@@ -2199,8 +2199,13 @@ static int i3c_master_i2c_adapter_init(struct i3c_master_controller *master)
 	 * We silently ignore failures here. The bus should keep working
 	 * correctly even if one or more i2c devices are not registered.
 	 */
-	list_for_each_entry(i2cboardinfo, &master->boardinfo.i2c, node)
+	list_for_each_entry(i2cboardinfo, &master->boardinfo.i2c, node) {
+		i2cdev = i3c_master_find_i2c_dev_by_addr(master,
+							 i2cboardinfo->base.addr);
+		if (WARN_ON(!i2cdev))
+			continue;
 		i2cdev->dev = i2c_new_client_device(adap, &i2cboardinfo->base);
+	}
 
 	return 0;
 }
diff --git a/drivers/i3c/master/mipi-i3c-hci/dma.c b/drivers/i3c/master/mipi-i3c-hci/dma.c
index 28f40f805cb5ae..168b21f6cf37c2 100644
--- a/drivers/i3c/master/mipi-i3c-hci/dma.c
+++ b/drivers/i3c/master/mipi-i3c-hci/dma.c
@@ -636,7 +636,10 @@ static void hci_dma_process_ibi(struct i3c_hci *hci, struct hci_rh_data *rh)
 		if (!(ibi_status & IBI_LAST_STATUS)) {
 			ibi_size += chunks * rh->ibi_chunk_sz;
 		} else {
-			ibi_size += FIELD_GET(IBI_DATA_LENGTH, ibi_status);
+			if (chunks) {
+				ibi_size += (chunks - 1) * rh->ibi_chunk_sz;
+				ibi_size += FIELD_GET(IBI_DATA_LENGTH, ibi_status);
+			}
 			last_ptr = ptr;
 			break;
 		}
diff --git a/drivers/iio/adc/ad7768-1.c b/drivers/iio/adc/ad7768-1.c
index c518aeb35c7039..5e62093d32ed92 100644
--- a/drivers/iio/adc/ad7768-1.c
+++ b/drivers/iio/adc/ad7768-1.c
@@ -241,12 +241,17 @@ static int ad7768_scan_direct(struct iio_dev *indio_dev)
 	struct ad7768_state *st = iio_priv(indio_dev);
 	int readval, ret;
 
-	reinit_completion(&st->completion);
-
 	ret = ad7768_set_mode(st, AD7768_ONE_SHOT);
 	if (ret < 0)
 		return ret;
 
+	reinit_completion(&st->completion);
+
+	/* One-shot mode requires a SYNC pulse to generate a new sample */
+	ret = ad7768_send_sync_pulse(st);
+	if (ret)
+		return ret;
+
 	ret = wait_for_completion_timeout(&st->completion,
 					  msecs_to_jiffies(1000));
 	if (!ret)
diff --git a/drivers/iio/imu/inv_icm42600/inv_icm42600_buffer.c b/drivers/iio/imu/inv_icm42600/inv_icm42600_buffer.c
index 32d7f836423036..f29c3e8531e6fb 100644
--- a/drivers/iio/imu/inv_icm42600/inv_icm42600_buffer.c
+++ b/drivers/iio/imu/inv_icm42600/inv_icm42600_buffer.c
@@ -377,6 +377,7 @@ out_unlock:
 static int inv_icm42600_buffer_postdisable(struct iio_dev *indio_dev)
 {
 	struct inv_icm42600_state *st = iio_device_get_drvdata(indio_dev);
+	struct inv_icm42600_timestamp *ts = iio_priv(indio_dev);
 	struct device *dev = regmap_get_device(st->map);
 	unsigned int sensor;
 	unsigned int *watermark;
@@ -398,6 +399,8 @@ static int inv_icm42600_buffer_postdisable(struct iio_dev *indio_dev)
 
 	mutex_lock(&st->lock);
 
+	inv_icm42600_timestamp_apply_odr(ts, 0, 0, 0);
+
 	ret = inv_icm42600_buffer_set_fifo_en(st, st->fifo.en & ~sensor);
 	if (ret)
 		goto out_unlock;
diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c
index 6e02b8d1abb005..ffce37fca9cfee 100644
--- a/drivers/infiniband/core/addr.c
+++ b/drivers/infiniband/core/addr.c
@@ -322,11 +322,14 @@ static int dst_fetch_ha(const struct dst_entry *dst,
 	if (!n)
 		return -ENODATA;
 
+	read_lock_bh(&n->lock);
 	if (!(n->nud_state & NUD_VALID)) {
+		read_unlock_bh(&n->lock);
 		neigh_event_send(n, NULL);
 		ret = -ENODATA;
 	} else {
 		neigh_ha_snapshot(dev_addr->dst_dev_addr, n, dst->dev);
+		read_unlock_bh(&n->lock);
 	}
 
 	neigh_release(n);
diff --git a/drivers/infiniband/core/iwpm_msg.c b/drivers/infiniband/core/iwpm_msg.c
index 3c9a9869212bbe..feb09008eb9ca7 100644
--- a/drivers/infiniband/core/iwpm_msg.c
+++ b/drivers/infiniband/core/iwpm_msg.c
@@ -365,9 +365,9 @@ remove_mapping_error:
 /* netlink attribute policy for the received response to register pid request */
 static const struct nla_policy resp_reg_policy[IWPM_NLA_RREG_PID_MAX] = {
 	[IWPM_NLA_RREG_PID_SEQ]     = { .type = NLA_U32 },
-	[IWPM_NLA_RREG_IBDEV_NAME]  = { .type = NLA_STRING,
+	[IWPM_NLA_RREG_IBDEV_NAME]  = { .type = NLA_NUL_STRING,
 					.len = IWPM_DEVNAME_SIZE - 1 },
-	[IWPM_NLA_RREG_ULIB_NAME]   = { .type = NLA_STRING,
+	[IWPM_NLA_RREG_ULIB_NAME]   = { .type = NLA_NUL_STRING,
 					.len = IWPM_ULIBNAME_SIZE - 1 },
 	[IWPM_NLA_RREG_ULIB_VER]    = { .type = NLA_U16 },
 	[IWPM_NLA_RREG_PID_ERR]     = { .type = NLA_U16 }
@@ -677,7 +677,7 @@ int iwpm_remote_info_cb(struct sk_buff *skb, struct netlink_callback *cb)
 
 /* netlink attribute policy for the received request for mapping info */
 static const struct nla_policy resp_mapinfo_policy[IWPM_NLA_MAPINFO_REQ_MAX] = {
-	[IWPM_NLA_MAPINFO_ULIB_NAME] = { .type = NLA_STRING,
+	[IWPM_NLA_MAPINFO_ULIB_NAME] = { .type = NLA_NUL_STRING,
 					.len = IWPM_ULIBNAME_SIZE - 1 },
 	[IWPM_NLA_MAPINFO_ULIB_VER]  = { .type = NLA_U16 }
 };
diff --git a/drivers/infiniband/hw/hns/hns_roce_qp.c b/drivers/infiniband/hw/hns/hns_roce_qp.c
index 3875563abf3741..32e66117007303 100644
--- a/drivers/infiniband/hw/hns/hns_roce_qp.c
+++ b/drivers/infiniband/hw/hns/hns_roce_qp.c
@@ -1052,6 +1052,7 @@ static int hns_roce_create_qp_common(struct hns_roce_dev *hr_dev,
 	struct hns_roce_ib_create_qp_resp resp = {};
 	struct ib_device *ibdev = &hr_dev->ib_dev;
 	struct hns_roce_ib_create_qp ucmd = {};
+	unsigned long flags;
 	int ret;
 
 	mutex_init(&hr_qp->mutex);
@@ -1135,7 +1136,13 @@ static int hns_roce_create_qp_common(struct hns_roce_dev *hr_dev,
 	return 0;
 
 err_flow_ctrl:
+	spin_lock_irqsave(&hr_dev->qp_list_lock, flags);
+	hns_roce_lock_cqs(init_attr->send_cq ? to_hr_cq(init_attr->send_cq) : NULL,
+			  init_attr->recv_cq ? to_hr_cq(init_attr->recv_cq) : NULL);
 	hns_roce_qp_remove(hr_dev, hr_qp);
+	hns_roce_unlock_cqs(init_attr->send_cq ? to_hr_cq(init_attr->send_cq) : NULL,
+			    init_attr->recv_cq ? to_hr_cq(init_attr->recv_cq) : NULL);
+	spin_unlock_irqrestore(&hr_dev->qp_list_lock, flags);
 err_store:
 	free_qpc(hr_dev, hr_qp);
 err_qpc:
diff --git a/drivers/infiniband/hw/mlx4/srq.c b/drivers/infiniband/hw/mlx4/srq.c
index 6a381751c0d8ee..d6ff1480f0233f 100644
--- a/drivers/infiniband/hw/mlx4/srq.c
+++ b/drivers/infiniband/hw/mlx4/srq.c
@@ -193,13 +193,15 @@ int mlx4_ib_create_srq(struct ib_srq *ib_srq,
 	if (udata)
 		if (ib_copy_to_udata(udata, &srq->msrq.srqn, sizeof (__u32))) {
 			err = -EFAULT;
-			goto err_wrid;
+			goto err_srq;
 		}
 
 	init_attr->attr.max_wr = srq->msrq.max - 1;
 
 	return 0;
 
+err_srq:
+	mlx4_srq_free(dev->dev, &srq->msrq);
 err_wrid:
 	if (udata)
 		mlx4_ib_db_unmap_user(ucontext, &srq->db);
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
index 735123d0e9ecec..4b8f990955f92b 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
@@ -618,9 +618,9 @@ static int ocrdma_copy_pd_uresp(struct ocrdma_dev *dev, struct ocrdma_pd *pd,
 
 ucopy_err:
 	if (pd->dpp_enabled)
-		ocrdma_del_mmap(pd->uctx, dpp_page_addr, PAGE_SIZE);
+		ocrdma_del_mmap(uctx, dpp_page_addr, PAGE_SIZE);
 dpp_map_err:
-	ocrdma_del_mmap(pd->uctx, db_page_addr, db_page_size);
+	ocrdma_del_mmap(uctx, db_page_addr, db_page_size);
 	return status;
 }
 
diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c
index 19176583dbde68..0d6d8902a6d9a8 100644
--- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c
+++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c
@@ -350,7 +350,7 @@ int pvrdma_alloc_ucontext(struct ib_ucontext *uctx, struct ib_udata *udata)
 	uresp.qp_tab_size = vdev->dsr->caps.max_qp;
 	ret = ib_copy_to_udata(udata, &uresp, sizeof(uresp));
 	if (ret) {
-		pvrdma_uar_free(vdev, &context->uar);
+		/* pvrdma_dealloc_ucontext() also frees the UAR */
 		pvrdma_dealloc_ucontext(&context->ibucontext);
 		return -EFAULT;
 	}
diff --git a/drivers/infiniband/sw/rxe/rxe_recv.c b/drivers/infiniband/sw/rxe/rxe_recv.c
index 6a6cc1fa90e4b1..27956839f92343 100644
--- a/drivers/infiniband/sw/rxe/rxe_recv.c
+++ b/drivers/infiniband/sw/rxe/rxe_recv.c
@@ -375,7 +375,19 @@ void rxe_rcv(struct sk_buff *skb)
 	pkt->qp = NULL;
 	pkt->mask |= rxe_opcode[pkt->opcode].mask;
 
-	if (unlikely(skb->len < header_size(pkt)))
+	/*
+	 * Unknown opcodes have a zero-initialized rxe_opcode[] entry, so
+	 * both mask and length are 0.  Reject them before any length math:
+	 * rxe_icrc_hdr() would otherwise compute length - RXE_BTH_BYTES
+	 * and pass the underflowed value to rxe_crc32(), producing an
+	 * out-of-bounds read.
+	 */
+	if (unlikely(!rxe_opcode[pkt->opcode].mask ||
+		     !rxe_opcode[pkt->opcode].length))
+		goto drop;
+
+	if (unlikely(pkt->paylen < header_size(pkt) + bth_pad(pkt) +
+		       RXE_ICRC_SIZE))
 		goto drop;
 
 	err = hdr_check(pkt);
diff --git a/drivers/infiniband/sw/siw/siw_qp_rx.c b/drivers/infiniband/sw/siw/siw_qp_rx.c
index 6b049858644e8c..d93480b65e5e9b 100644
--- a/drivers/infiniband/sw/siw/siw_qp_rx.c
+++ b/drivers/infiniband/sw/siw/siw_qp_rx.c
@@ -1101,6 +1101,21 @@ static int siw_get_hdr(struct siw_rx_stream *srx)
 			return -EAGAIN;
 	}
 
+	/*
+	 * Peer-controlled mpa_len must not underflow srx->fpdu_part_rem
+	 * in siw_tcp_rx_data(); a negative value flows as a signed copy
+	 * length into siw_check_mem() and skb_copy_bits().
+	 */
+	if (unlikely(be16_to_cpu(c_hdr->mpa_len) + MPA_HDR_SIZE <
+		     iwarp_pktinfo[opcode].hdr_len)) {
+		pr_warn_ratelimited("siw: short mpa_len %u for opcode %u (hdr_len %u)\n",
+				    be16_to_cpu(c_hdr->mpa_len), opcode,
+				    iwarp_pktinfo[opcode].hdr_len);
+		siw_init_terminate(rx_qp(srx), TERM_ERROR_LAYER_LLP,
+				   LLP_ETYPE_MPA, LLP_ECODE_FPDU_START, 0);
+		return -EINVAL;
+	}
+
 	/*
 	 * DDP/RDMAP header receive completed. Check if the current
 	 * DDP segment starts a new RDMAP message or continues a previously
diff --git a/drivers/infiniband/ulp/rtrs/rtrs-srv-sysfs.c b/drivers/infiniband/ulp/rtrs/rtrs-srv-sysfs.c
index 309080184aac7c..d42659a2e90588 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-srv-sysfs.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-srv-sysfs.c
@@ -294,8 +294,8 @@ remove_group:
 put_kobj:
 	kobject_del(&srv_path->kobj);
 destroy_root:
-	kobject_put(&srv_path->kobj);
 	rtrs_srv_destroy_once_sysfs_root_folders(srv_path);
+	kobject_put(&srv_path->kobj);
 
 	return err;
 }
diff --git a/drivers/iommu/intel/iommu.c b/drivers/iommu/intel/iommu.c
index 5cd1ac09e5813d..2680ba77e55de0 100644
--- a/drivers/iommu/intel/iommu.c
+++ b/drivers/iommu/intel/iommu.c
@@ -5651,6 +5651,9 @@ static void quirk_iommu_igfx(struct pci_dev *dev)
 	dmar_map_gfx = 0;
 }
 
+/* Q35 integrated gfx dmar support is totally busted. */
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x29b2, quirk_iommu_igfx);
+
 /* G4x/GM45 integrated gfx dmar support is totally busted. */
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2a40, quirk_iommu_igfx);
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_INTEL, 0x2e00, quirk_iommu_igfx);
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 964170f9059796..25119d75537ceb 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -3061,6 +3061,9 @@ iommu_sva_bind_device(struct device *dev, struct mm_struct *mm, void *drvdata)
 	struct iommu_sva *handle = ERR_PTR(-EINVAL);
 	const struct iommu_ops *ops = dev->bus->iommu_ops;
 
+	if (IS_ENABLED(CONFIG_X86))
+		return ERR_PTR(-EOPNOTSUPP);
+
 	if (!ops || !ops->sva_bind)
 		return ERR_PTR(-ENODEV);
 
@@ -3068,9 +3071,6 @@ iommu_sva_bind_device(struct device *dev, struct mm_struct *mm, void *drvdata)
 	if (!group)
 		return ERR_PTR(-ENODEV);
 
-	if (IS_ENABLED(CONFIG_X86))
-		return ERR_PTR(-EOPNOTSUPP);
-
 	/* Ensure device count and domain don't change while we're binding */
 	mutex_lock(&group->mutex);
 
diff --git a/drivers/irqchip/irq-ath79-cpu.c b/drivers/irqchip/irq-ath79-cpu.c
index 923e4bba377676..9b7273a7f8ced9 100644
--- a/drivers/irqchip/irq-ath79-cpu.c
+++ b/drivers/irqchip/irq-ath79-cpu.c
@@ -85,10 +85,3 @@ static int __init ar79_cpu_intc_of_init(
 }
 IRQCHIP_DECLARE(ar79_cpu_intc, "qca,ar7100-cpu-intc",
 		ar79_cpu_intc_of_init);
-
-void __init ath79_cpu_irq_init(unsigned irq_wb_chan2, unsigned irq_wb_chan3)
-{
-	irq_wb_chan[2] = irq_wb_chan2;
-	irq_wb_chan[3] = irq_wb_chan3;
-	mips_cpu_irq_init();
-}
diff --git a/drivers/irqchip/irq-pic32-evic.c b/drivers/irqchip/irq-pic32-evic.c
index 1d9bb28d13e5d9..1a72047f3aa2e0 100644
--- a/drivers/irqchip/irq-pic32-evic.c
+++ b/drivers/irqchip/irq-pic32-evic.c
@@ -198,7 +198,7 @@ static void __init pic32_ext_irq_of_init(struct irq_domain *domain)
 
 	of_property_for_each_u32(node, pname, prop, p, hwirq) {
 		if (i >= ARRAY_SIZE(priv->ext_irqs)) {
-			pr_warn("More than %d external irq, skip rest\n",
+			pr_warn("More than %zu external irq, skip rest\n",
 				ARRAY_SIZE(priv->ext_irqs));
 			break;
 		}
diff --git a/drivers/leds/blink/leds-lgm-sso.c b/drivers/leds/blink/leds-lgm-sso.c
index fd8b7573285adc..45045c2a26574c 100644
--- a/drivers/leds/blink/leds-lgm-sso.c
+++ b/drivers/leds/blink/leds-lgm-sso.c
@@ -808,8 +808,6 @@ static int intel_sso_led_probe(struct platform_device *pdev)
 
 	priv->fpid_clkrate = clk_get_rate(priv->clocks[1].clk);
 
-	priv->mmap = syscon_node_to_regmap(dev->of_node);
-
 	priv->mmap = syscon_node_to_regmap(dev->of_node);
 	if (IS_ERR(priv->mmap)) {
 		dev_err(dev, "Failed to map iomem!\n");
diff --git a/drivers/mailbox/mailbox-test.c b/drivers/mailbox/mailbox-test.c
index 29c04157b5e88f..113858fe168c3d 100644
--- a/drivers/mailbox/mailbox-test.c
+++ b/drivers/mailbox/mailbox-test.c
@@ -27,8 +27,6 @@
 #define MBOX_HEXDUMP_MAX_LEN	(MBOX_HEXDUMP_LINE_LEN *		\
 				 (MBOX_MAX_MSG_LEN / MBOX_BYTES_PER_LINE))
 
-static bool mbox_data_ready;
-
 struct mbox_test_device {
 	struct device		*dev;
 	void __iomem		*tx_mmio;
@@ -41,6 +39,7 @@ struct mbox_test_device {
 	spinlock_t		lock;
 	struct mutex		mutex;
 	wait_queue_head_t	waitq;
+	bool			data_ready;
 	struct fasync_struct	*async_queue;
 	struct dentry		*root_debugfs_dir;
 };
@@ -161,7 +160,7 @@ static bool mbox_test_message_data_ready(struct mbox_test_device *tdev)
 	unsigned long flags;
 
 	spin_lock_irqsave(&tdev->lock, flags);
-	data_ready = mbox_data_ready;
+	data_ready = tdev->data_ready;
 	spin_unlock_irqrestore(&tdev->lock, flags);
 
 	return data_ready;
@@ -226,7 +225,7 @@ static ssize_t mbox_test_message_read(struct file *filp, char __user *userbuf,
 	*(touser + l) = '\0';
 
 	memset(tdev->rx_buffer, 0, MBOX_MAX_MSG_LEN);
-	mbox_data_ready = false;
+	tdev->data_ready = false;
 
 	spin_unlock_irqrestore(&tdev->lock, flags);
 
@@ -296,7 +295,7 @@ static void mbox_test_receive_message(struct mbox_client *client, void *message)
 				     message, MBOX_MAX_MSG_LEN);
 		memcpy(tdev->rx_buffer, message, MBOX_MAX_MSG_LEN);
 	}
-	mbox_data_ready = true;
+	tdev->data_ready = true;
 	spin_unlock_irqrestore(&tdev->lock, flags);
 
 	wake_up_interruptible(&tdev->waitq);
@@ -365,6 +364,12 @@ static int mbox_test_probe(struct platform_device *pdev)
 	if (!tdev)
 		return -ENOMEM;
 
+	tdev->dev = &pdev->dev;
+	spin_lock_init(&tdev->lock);
+	mutex_init(&tdev->mutex);
+	init_waitqueue_head(&tdev->waitq);
+	platform_set_drvdata(pdev, tdev);
+
 	/* It's okay for MMIO to be NULL */
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	tdev->tx_mmio = devm_ioremap_resource(&pdev->dev, res);
@@ -396,27 +401,29 @@ static int mbox_test_probe(struct platform_device *pdev)
 	if (!tdev->rx_channel && (tdev->rx_mmio != tdev->tx_mmio))
 		tdev->rx_channel = tdev->tx_channel;
 
-	tdev->dev = &pdev->dev;
-	platform_set_drvdata(pdev, tdev);
-
-	spin_lock_init(&tdev->lock);
-	mutex_init(&tdev->mutex);
-
 	if (tdev->rx_channel) {
 		tdev->rx_buffer = devm_kzalloc(&pdev->dev,
 					       MBOX_MAX_MSG_LEN, GFP_KERNEL);
-		if (!tdev->rx_buffer)
-			return -ENOMEM;
+		if (!tdev->rx_buffer) {
+			ret = -ENOMEM;
+			goto err_free_chans;
+		}
 	}
 
 	ret = mbox_test_add_debugfs(pdev, tdev);
 	if (ret)
-		return ret;
+		goto err_free_chans;
 
-	init_waitqueue_head(&tdev->waitq);
 	dev_info(&pdev->dev, "Successfully registered\n");
 
 	return 0;
+
+err_free_chans:
+	if (tdev->tx_channel)
+		mbox_free_channel(tdev->tx_channel);
+	if (tdev->rx_channel && tdev->rx_channel != tdev->tx_channel)
+		mbox_free_channel(tdev->rx_channel);
+	return ret;
 }
 
 static int mbox_test_remove(struct platform_device *pdev)
@@ -427,7 +434,7 @@ static int mbox_test_remove(struct platform_device *pdev)
 
 	if (tdev->tx_channel)
 		mbox_free_channel(tdev->tx_channel);
-	if (tdev->rx_channel)
+	if (tdev->rx_channel && tdev->rx_channel != tdev->tx_channel)
 		mbox_free_channel(tdev->rx_channel);
 
 	return 0;
diff --git a/drivers/mailbox/mailbox.c b/drivers/mailbox/mailbox.c
index cb31ad917b352f..363eaf3c962ec9 100644
--- a/drivers/mailbox/mailbox.c
+++ b/drivers/mailbox/mailbox.c
@@ -468,12 +468,10 @@ static struct mbox_chan *
 of_mbox_index_xlate(struct mbox_controller *mbox,
 		    const struct of_phandle_args *sp)
 {
-	int ind = sp->args[0];
-
-	if (ind >= mbox->num_chans)
+	if (sp->args_count < 1 || sp->args[0] >= mbox->num_chans)
 		return ERR_PTR(-EINVAL);
 
-	return &mbox->chans[ind];
+	return &mbox->chans[sp->args[0]];
 }
 
 /**
@@ -486,8 +484,7 @@ int mbox_controller_register(struct mbox_controller *mbox)
 {
 	int i, txdone;
 
-	/* Sanity check */
-	if (!mbox || !mbox->dev || !mbox->ops || !mbox->num_chans)
+	if (!mbox || !mbox->dev || !mbox->ops || !mbox->chans || !mbox->num_chans)
 		return -EINVAL;
 
 	if (mbox->txdone_irq)
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index 7e0176e43acecb..4c5639e06d6bc5 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -1377,6 +1377,14 @@ static void cached_dev_free(struct closure *cl)
 
 	mutex_unlock(&bch_register_lock);
 
+	/*
+	 * Wait for any pending sb_write to complete before free.
+	 * The sb_bio is embedded in struct cached_dev, so we must
+	 * ensure no I/O is in progress.
+	 */
+	down(&dc->sb_write_mutex);
+	up(&dc->sb_write_mutex);
+
 	if (dc->sb_disk)
 		put_page(virt_to_page(dc->sb_disk));
 
diff --git a/drivers/md/dm-cache-metadata.c b/drivers/md/dm-cache-metadata.c
index 0f6f74e3030f71..c183c2fc1691c1 100644
--- a/drivers/md/dm-cache-metadata.c
+++ b/drivers/md/dm-cache-metadata.c
@@ -1017,6 +1017,12 @@ static bool cmd_write_lock(struct dm_cache_metadata *cmd)
 			return;			\
 	} while(0)
 
+#define WRITE_LOCK_OR_GOTO(cmd, label)		\
+	do {					\
+		if (!cmd_write_lock((cmd)))	\
+			goto label;		\
+	} while (0)
+
 #define WRITE_UNLOCK(cmd) \
 	up_write(&(cmd)->root_lock)
 
@@ -1749,17 +1755,6 @@ int dm_cache_write_hints(struct dm_cache_metadata *cmd, struct dm_cache_policy *
 	return r;
 }
 
-int dm_cache_metadata_all_clean(struct dm_cache_metadata *cmd, bool *result)
-{
-	int r;
-
-	READ_LOCK(cmd);
-	r = blocks_are_unmapped_or_clean(cmd, 0, cmd->cache_blocks, result);
-	READ_UNLOCK(cmd);
-
-	return r;
-}
-
 void dm_cache_metadata_set_read_only(struct dm_cache_metadata *cmd)
 {
 	WRITE_LOCK_VOID(cmd);
@@ -1826,11 +1821,8 @@ int dm_cache_metadata_abort(struct dm_cache_metadata *cmd)
 	new_bm = dm_block_manager_create(cmd->bdev, DM_CACHE_METADATA_BLOCK_SIZE << SECTOR_SHIFT,
 					 CACHE_MAX_CONCURRENT_LOCKS);
 
-	WRITE_LOCK(cmd);
-	if (cmd->fail_io) {
-		WRITE_UNLOCK(cmd);
-		goto out;
-	}
+	/* cmd_write_lock() already checks fail_io with cmd->root_lock held */
+	WRITE_LOCK_OR_GOTO(cmd, out);
 
 	__destroy_persistent_data_objects(cmd, false);
 	old_bm = cmd->bm;
diff --git a/drivers/md/dm-cache-metadata.h b/drivers/md/dm-cache-metadata.h
index 179ed5bf81a3e4..79747130a48f71 100644
--- a/drivers/md/dm-cache-metadata.h
+++ b/drivers/md/dm-cache-metadata.h
@@ -137,11 +137,6 @@ void dm_cache_dump(struct dm_cache_metadata *cmd);
  */
 int dm_cache_write_hints(struct dm_cache_metadata *cmd, struct dm_cache_policy *p);
 
-/*
- * Query method.  Are all the blocks in the cache clean?
- */
-int dm_cache_metadata_all_clean(struct dm_cache_metadata *cmd, bool *result);
-
 int dm_cache_metadata_needs_check(struct dm_cache_metadata *cmd, bool *result);
 int dm_cache_metadata_set_needs_check(struct dm_cache_metadata *cmd);
 void dm_cache_metadata_set_read_only(struct dm_cache_metadata *cmd);
diff --git a/drivers/md/dm-cache-policy-smq.c b/drivers/md/dm-cache-policy-smq.c
index 859073193f5b4d..95b0670c32acda 100644
--- a/drivers/md/dm-cache-policy-smq.c
+++ b/drivers/md/dm-cache-policy-smq.c
@@ -1584,14 +1584,18 @@ static int smq_invalidate_mapping(struct dm_cache_policy *p, dm_cblock_t cblock)
 {
 	struct smq_policy *mq = to_smq_policy(p);
 	struct entry *e = get_entry(&mq->cache_alloc, from_cblock(cblock));
+	unsigned long flags;
 
 	if (!e->allocated)
 		return -ENODATA;
 
+	spin_lock_irqsave(&mq->lock, flags);
 	// FIXME: what if this block has pending background work?
 	del_queue(mq, e);
 	h_remove(&mq->table, e);
 	free_entry(&mq->cache_alloc, e);
+	spin_unlock_irqrestore(&mq->lock, flags);
+
 	return 0;
 }
 
diff --git a/drivers/md/dm-cache-target.c b/drivers/md/dm-cache-target.c
index 1660d4fec75110..37c8740d6d996c 100644
--- a/drivers/md/dm-cache-target.c
+++ b/drivers/md/dm-cache-target.c
@@ -405,6 +405,12 @@ struct cache {
 	mempool_t migration_pool;
 
 	struct bio_set bs;
+
+	/*
+	 * Cache_size entries. Set bits indicate blocks mapped beyond the
+	 * target length, which are marked for invalidation.
+	 */
+	unsigned long *invalid_bitset;
 };
 
 struct per_bio_data {
@@ -1448,8 +1454,10 @@ static void invalidate_complete(struct dm_cache_migration *mg, bool success)
 	struct cache *cache = mg->cache;
 
 	bio_list_init(&bios);
-	if (dm_cell_unlock_v2(cache->prison, mg->cell, &bios))
-		free_prison_cell(cache, mg->cell);
+	if (mg->cell) {
+		if (dm_cell_unlock_v2(cache->prison, mg->cell, &bios))
+			free_prison_cell(cache, mg->cell);
+	}
 
 	if (!success && mg->overwrite_bio)
 		bio_io_error(mg->overwrite_bio);
@@ -1522,6 +1530,15 @@ static int invalidate_lock(struct dm_cache_migration *mg)
 			    READ_WRITE_LOCK_LEVEL, prealloc, &mg->cell);
 	if (r < 0) {
 		free_prison_cell(cache, prealloc);
+
+		/* Defer the bio for retrying the cell lock */
+		if (mg->overwrite_bio) {
+			struct bio *bio = mg->overwrite_bio;
+
+			mg->overwrite_bio = NULL;
+			defer_bio(cache, bio);
+		}
+
 		invalidate_complete(mg, false);
 		return r;
 	}
@@ -1682,6 +1699,7 @@ static int map_bio(struct cache *cache, struct bio *bio, dm_oblock_t block,
 				bio_drop_shared_lock(cache, bio);
 				atomic_inc(&cache->stats.demotion);
 				invalidate_start(cache, cblock, block, bio);
+				return DM_MAPIO_SUBMITTED;
 			} else
 				remap_to_origin_clear_discard(cache, bio, block);
 		} else {
@@ -1906,6 +1924,9 @@ static void __destroy(struct cache *cache)
 	if (cache->discard_bitset)
 		free_bitset(cache->discard_bitset);
 
+	if (cache->invalid_bitset)
+		free_bitset(cache->invalid_bitset);
+
 	if (cache->copier)
 		dm_kcopyd_client_destroy(cache->copier);
 
@@ -2449,23 +2470,8 @@ static int cache_create(struct cache_args *ca, struct cache **result)
 		goto bad;
 	}
 
-	if (passthrough_mode(cache)) {
-		bool all_clean;
-
-		r = dm_cache_metadata_all_clean(cache->cmd, &all_clean);
-		if (r) {
-			*error = "dm_cache_metadata_all_clean() failed";
-			goto bad;
-		}
-
-		if (!all_clean) {
-			*error = "Cannot enter passthrough mode unless all blocks are clean";
-			r = -EINVAL;
-			goto bad;
-		}
-
+	if (passthrough_mode(cache))
 		policy_allow_migrations(cache->policy, false);
-	}
 
 	spin_lock_init(&cache->lock);
 	bio_list_init(&cache->deferred_bios);
@@ -2494,6 +2500,13 @@ static int cache_create(struct cache_args *ca, struct cache **result)
 	}
 	clear_bitset(cache->discard_bitset, from_dblock(cache->discard_nr_blocks));
 
+	cache->invalid_bitset = alloc_bitset(from_cblock(cache->cache_size));
+	if (!cache->invalid_bitset) {
+		*error = "could not allocate bitset for invalid blocks";
+		goto bad;
+	}
+	clear_bitset(cache->invalid_bitset, from_cblock(cache->cache_size));
+
 	cache->copier = dm_kcopyd_client_create(&dm_kcopyd_throttle);
 	if (IS_ERR(cache->copier)) {
 		*error = "could not create kcopyd client";
@@ -2784,6 +2797,12 @@ static int load_mapping(void *context, dm_oblock_t oblock, dm_cblock_t cblock,
 	struct cache *cache = context;
 
 	if (dirty) {
+		if (passthrough_mode(cache)) {
+			DMERR("%s: cannot enter passthrough mode unless all blocks are clean",
+			      cache_device_name(cache));
+			return -EBUSY;
+		}
+
 		set_bit(from_cblock(cblock), cache->dirty_bitset);
 		atomic_inc(&cache->nr_dirty);
 	} else
@@ -2792,6 +2811,24 @@ static int load_mapping(void *context, dm_oblock_t oblock, dm_cblock_t cblock,
 	return policy_load_mapping(cache->policy, oblock, cblock, dirty, hint, hint_valid);
 }
 
+static int load_filtered_mapping(void *context, dm_oblock_t oblock, dm_cblock_t cblock,
+				 bool dirty, uint32_t hint, bool hint_valid)
+{
+	struct cache *cache = context;
+
+	if (from_oblock(oblock) >= from_oblock(cache->origin_blocks)) {
+		if (dirty) {
+			DMERR("%s: unable to shrink origin; cache block %u is dirty",
+			      cache_device_name(cache), from_cblock(cblock));
+			return -EFBIG;
+		}
+		set_bit(from_cblock(cblock), cache->invalid_bitset);
+		return 0;
+	}
+
+	return load_mapping(context, oblock, cblock, dirty, hint, hint_valid);
+}
+
 /*
  * The discard block size in the on disk metadata is not
  * neccessarily the same as we're currently using.  So we have to
@@ -2946,6 +2983,24 @@ static int resize_cache_dev(struct cache *cache, dm_cblock_t new_size)
 	return 0;
 }
 
+static int truncate_oblocks(struct cache *cache)
+{
+	uint32_t nr_blocks = from_cblock(cache->cache_size);
+	uint32_t i;
+	int r;
+
+	for_each_set_bit(i, cache->invalid_bitset, nr_blocks) {
+		r = dm_cache_remove_mapping(cache->cmd, to_cblock(i));
+		if (r) {
+			DMERR_LIMIT("%s: invalidation failed; couldn't update on disk metadata",
+				    cache_device_name(cache));
+			return r;
+		}
+	}
+
+	return 0;
+}
+
 static int cache_preresume(struct dm_target *ti)
 {
 	int r = 0;
@@ -2970,11 +3025,25 @@ static int cache_preresume(struct dm_target *ti)
 	}
 
 	if (!cache->loaded_mappings) {
+		/*
+		 * The fast device could have been resized since the last
+		 * failed preresume attempt.  To be safe we start by a blank
+		 * bitset for cache blocks.
+		 */
+		clear_bitset(cache->invalid_bitset, from_cblock(cache->cache_size));
+
 		r = dm_cache_load_mappings(cache->cmd, cache->policy,
-					   load_mapping, cache);
+					   load_filtered_mapping, cache);
 		if (r) {
 			DMERR("%s: could not load cache mappings", cache_device_name(cache));
-			metadata_operation_failed(cache, "dm_cache_load_mappings", r);
+			if (r != -EFBIG && r != -EBUSY)
+				metadata_operation_failed(cache, "dm_cache_load_mappings", r);
+			return r;
+		}
+
+		r = truncate_oblocks(cache);
+		if (r) {
+			metadata_operation_failed(cache, "dm_cache_remove_mapping", r);
 			return r;
 		}
 
@@ -3448,7 +3517,7 @@ static void cache_io_hints(struct dm_target *ti, struct queue_limits *limits)
 
 static struct target_type cache_target = {
 	.name = "cache",
-	.version = {2, 2, 0},
+	.version = {2, 3, 0},
 	.module = THIS_MODULE,
 	.ctr = cache_ctr,
 	.dtr = cache_dtr,
diff --git a/drivers/md/dm-init.c b/drivers/md/dm-init.c
index 6e9e73a5587408..882dc385cf0683 100644
--- a/drivers/md/dm-init.c
+++ b/drivers/md/dm-init.c
@@ -302,8 +302,10 @@ static int __init dm_init_init(void)
 		}
 	}
 
-	if (waitfor[0])
+	if (waitfor[0]) {
+		wait_for_device_probe();
 		DMINFO("all devices available");
+	}
 
 	list_for_each_entry(dev, &devices, list) {
 		if (dm_early_create(&dev->dmi, dev->table,
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index fb0987e7161169..16b6313588086d 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -367,7 +367,7 @@ retry:
 
 	up_write(&_hash_lock);
 
-	if (dev_skipped)
+	if (dev_skipped && !only_deferred)
 		DMWARN("remove_all left %d open device(s)", dev_skipped);
 }
 
@@ -1311,6 +1311,10 @@ static void retrieve_status(struct dm_table *table,
 		used = param->data_start + (outptr - outbuf);
 
 		outptr = align_ptr(outptr);
+		if (!outptr || outptr > outbuf + len) {
+			param->flags |= DM_BUFFER_FULL_FLAG;
+			break;
+		}
 		spec->next = outptr - outbuf;
 	}
 
diff --git a/drivers/md/dm-log.c b/drivers/md/dm-log.c
index b40741bedfd43d..7258e2fe00e8d5 100644
--- a/drivers/md/dm-log.c
+++ b/drivers/md/dm-log.c
@@ -368,7 +368,7 @@ static int create_log_context(struct dm_dirty_log *log, struct dm_target *ti,
 
 	struct log_c *lc;
 	uint32_t region_size;
-	unsigned int region_count;
+	sector_t region_count;
 	size_t bitset_size, buf_size;
 	int r;
 	char dummy;
@@ -397,6 +397,10 @@ static int create_log_context(struct dm_dirty_log *log, struct dm_target *ti,
 	}
 
 	region_count = dm_sector_div_up(ti->len, region_size);
+	if (region_count > UINT_MAX) {
+		DMWARN("region count exceeds limit of %u", UINT_MAX);
+		return -EINVAL;
+	}
 
 	lc = kmalloc(sizeof(*lc), GFP_KERNEL);
 	if (!lc) {
diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index 34c6874d5a3e12..e6d37d5a7c5e13 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -981,13 +981,13 @@ static struct dm_dirty_log *create_dirty_log(struct dm_target *ti,
 		return NULL;
 	}
 
-	*args_used = 2 + param_count;
-
-	if (argc < *args_used) {
+	if (param_count > argc - 2) {
 		ti->error = "Insufficient mirror log arguments";
 		return NULL;
 	}
 
+	*args_used = 2 + param_count;
+
 	dl = dm_dirty_log_create(argv[0], ti, mirror_flush, param_count,
 				 argv + 2);
 	if (!dl) {
diff --git a/drivers/md/dm-verity-fec.c b/drivers/md/dm-verity-fec.c
index 41b580933f9c04..93ecec4075724c 100644
--- a/drivers/md/dm-verity-fec.c
+++ b/drivers/md/dm-verity-fec.c
@@ -423,10 +423,8 @@ int verity_fec_decode(struct dm_verity *v, struct dm_verity_io *io,
 	if (!verity_fec_is_enabled(v))
 		return -EOPNOTSUPP;
 
-	if (fio->level >= DM_VERITY_FEC_MAX_RECURSION) {
-		DMWARN_LIMIT("%s: FEC: recursion too deep", v->data_dev->name);
+	if (fio->level)
 		return -EIO;
-	}
 
 	fio->level++;
 
@@ -670,7 +668,7 @@ int verity_fec_ctr(struct dm_verity *v)
 {
 	struct dm_verity_fec *f = v->fec;
 	struct dm_target *ti = v->ti;
-	u64 hash_blocks, fec_blocks;
+	u64 hash_blocks;
 	int ret;
 
 	if (!verity_fec_is_enabled(v)) {
@@ -733,7 +731,8 @@ int verity_fec_ctr(struct dm_verity *v)
 	 * it to be large enough.
 	 */
 	f->hash_blocks = f->blocks - v->data_blocks;
-	if (dm_bufio_get_device_size(v->bufio) < f->hash_blocks) {
+	if (dm_bufio_get_device_size(v->bufio) <
+	    v->hash_start + f->hash_blocks) {
 		ti->error = "Hash device is too small for "
 			DM_VERITY_OPT_FEC_BLOCKS;
 		return -E2BIG;
@@ -754,8 +753,7 @@ int verity_fec_ctr(struct dm_verity *v)
 
 	dm_bufio_set_sector_offset(f->bufio, f->start << (v->data_dev_block_bits - SECTOR_SHIFT));
 
-	fec_blocks = div64_u64(f->rounds * f->roots, v->fec->roots << SECTOR_SHIFT);
-	if (dm_bufio_get_device_size(f->bufio) < fec_blocks) {
+	if (dm_bufio_get_device_size(f->bufio) < f->rounds * f->roots) {
 		ti->error = "FEC device is too small";
 		return -E2BIG;
 	}
diff --git a/drivers/md/dm-verity-fec.h b/drivers/md/dm-verity-fec.h
index 3c46c8d6188332..0f217775f11ee3 100644
--- a/drivers/md/dm-verity-fec.h
+++ b/drivers/md/dm-verity-fec.h
@@ -23,9 +23,6 @@
 #define DM_VERITY_FEC_BUF_MAX \
 	(1 << (PAGE_SHIFT - DM_VERITY_FEC_BUF_RS_BITS))
 
-/* maximum recursion level for verity_fec_decode */
-#define DM_VERITY_FEC_MAX_RECURSION	4
-
 #define DM_VERITY_OPT_FEC_DEV		"use_fec_from_device"
 #define DM_VERITY_OPT_FEC_BLOCKS	"fec_blocks"
 #define DM_VERITY_OPT_FEC_START		"fec_start"
diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c
index 03efb3c72980fe..2789dbbd7eaf4b 100644
--- a/drivers/md/md-bitmap.c
+++ b/drivers/md/md-bitmap.c
@@ -2033,6 +2033,10 @@ void md_bitmap_status(struct seq_file *seq, struct bitmap *bitmap)
 
 	if (!bitmap)
 		return;
+	if (bitmap->mddev->bitmap_info.external)
+		return;
+	if (!bitmap->storage.sb_page) /* no superblock */
+		return;
 
 	counts = &bitmap->counts;
 
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 332458ad96637f..bb6b5360d94b00 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -8300,6 +8300,9 @@ static int md_seq_show(struct seq_file *seq, void *v)
 		return 0;
 	}
 
+	/* prevent bitmap to be freed after checking */
+	mutex_lock(&mddev->bitmap_info.mutex);
+
 	spin_lock(&mddev->lock);
 	if (mddev->pers || mddev->raid_disks || !list_empty(&mddev->disks)) {
 		seq_printf(seq, "%s : %sactive", mdname(mddev),
@@ -8371,6 +8374,7 @@ static int md_seq_show(struct seq_file *seq, void *v)
 		seq_printf(seq, "\n");
 	}
 	spin_unlock(&mddev->lock);
+	mutex_unlock(&mddev->bitmap_info.mutex);
 
 	return 0;
 }
diff --git a/drivers/md/persistent-data/dm-btree-remove.c b/drivers/md/persistent-data/dm-btree-remove.c
index cb670f16e98e9a..61fccd117575fe 100644
--- a/drivers/md/persistent-data/dm-btree-remove.c
+++ b/drivers/md/persistent-data/dm-btree-remove.c
@@ -415,12 +415,20 @@ static int rebalance_children(struct shadow_spine *s,
 
 	if (le32_to_cpu(n->header.nr_entries) == 1) {
 		struct dm_block *child;
+		int is_shared;
 		dm_block_t b = value64(n, 0);
 
+		r = dm_tm_block_is_shared(info->tm, b, &is_shared);
+		if (r)
+			return r;
+
 		r = dm_tm_read_lock(info->tm, b, &btree_node_validator, &child);
 		if (r)
 			return r;
 
+		if (is_shared)
+			inc_children(info->tm, dm_block_data(child), vt);
+
 		memcpy(n, dm_block_data(child),
 		       dm_bm_block_size(dm_tm_get_bm(info->tm)));
 
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index c6429ef37f9e22..225fa6fb183b57 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1197,7 +1197,7 @@ static void raid10_read_request(struct mddev *mddev, struct bio *bio,
 	}
 
 	if (!regular_request_wait(mddev, conf, bio, r10_bio->sectors)) {
-		raid_end_bio_io(r10_bio);
+		free_r10bio(r10_bio);
 		return;
 	}
 
@@ -1435,7 +1435,7 @@ static void raid10_write_request(struct mddev *mddev, struct bio *bio,
 
 	sectors = r10_bio->sectors;
 	if (!regular_request_wait(mddev, conf, bio, sectors)) {
-		raid_end_bio_io(r10_bio);
+		free_r10bio(r10_bio);
 		return;
 	}
 
@@ -4004,6 +4004,8 @@ static int setup_geo(struct geom *geo, struct mddev *mddev, enum geo_type new)
 	nc = layout & 255;
 	fc = (layout >> 8) & 255;
 	fo = layout & (1<<16);
+	if (!nc || !fc)
+		return -1;
 	geo->raid_disks = disks;
 	geo->near_copies = nc;
 	geo->far_copies = fc;
diff --git a/drivers/md/raid5-cache.c b/drivers/md/raid5-cache.c
index 0b5dcaabbc1559..cac91c3bcfa661 100644
--- a/drivers/md/raid5-cache.c
+++ b/drivers/md/raid5-cache.c
@@ -2017,15 +2017,27 @@ r5l_recovery_verify_data_checksum_for_mb(struct r5l_log *log,
 		return -ENOMEM;
 
 	while (mb_offset < le32_to_cpu(mb->meta_size)) {
+		sector_t payload_len;
+
 		payload = (void *)mb + mb_offset;
 		payload_flush = (void *)mb + mb_offset;
 
 		if (le16_to_cpu(payload->header.type) == R5LOG_PAYLOAD_DATA) {
+			payload_len = sizeof(struct r5l_payload_data_parity) +
+				(sector_t)sizeof(__le32) *
+				(le32_to_cpu(payload->size) >> (PAGE_SHIFT - 9));
+			if (mb_offset + payload_len > le32_to_cpu(mb->meta_size))
+				goto mismatch;
 			if (r5l_recovery_verify_data_checksum(
 				    log, ctx, page, log_offset,
 				    payload->checksum[0]) < 0)
 				goto mismatch;
 		} else if (le16_to_cpu(payload->header.type) == R5LOG_PAYLOAD_PARITY) {
+			payload_len = sizeof(struct r5l_payload_data_parity) +
+				(sector_t)sizeof(__le32) *
+				(le32_to_cpu(payload->size) >> (PAGE_SHIFT - 9));
+			if (mb_offset + payload_len > le32_to_cpu(mb->meta_size))
+				goto mismatch;
 			if (r5l_recovery_verify_data_checksum(
 				    log, ctx, page, log_offset,
 				    payload->checksum[0]) < 0)
@@ -2038,22 +2050,18 @@ r5l_recovery_verify_data_checksum_for_mb(struct r5l_log *log,
 				    payload->checksum[1]) < 0)
 				goto mismatch;
 		} else if (le16_to_cpu(payload->header.type) == R5LOG_PAYLOAD_FLUSH) {
-			/* nothing to do for R5LOG_PAYLOAD_FLUSH here */
+			payload_len = sizeof(struct r5l_payload_flush) +
+				(sector_t)le32_to_cpu(payload_flush->size);
+			if (mb_offset + payload_len > le32_to_cpu(mb->meta_size))
+				goto mismatch;
 		} else /* not R5LOG_PAYLOAD_DATA/PARITY/FLUSH */
 			goto mismatch;
 
-		if (le16_to_cpu(payload->header.type) == R5LOG_PAYLOAD_FLUSH) {
-			mb_offset += sizeof(struct r5l_payload_flush) +
-				le32_to_cpu(payload_flush->size);
-		} else {
-			/* DATA or PARITY payload */
+		if (le16_to_cpu(payload->header.type) != R5LOG_PAYLOAD_FLUSH) {
 			log_offset = r5l_ring_add(log, log_offset,
 						  le32_to_cpu(payload->size));
-			mb_offset += sizeof(struct r5l_payload_data_parity) +
-				sizeof(__le32) *
-				(le32_to_cpu(payload->size) >> (PAGE_SHIFT - 9));
 		}
-
+		mb_offset += payload_len;
 	}
 
 	put_page(page);
@@ -2104,6 +2112,7 @@ r5c_recovery_analyze_meta_block(struct r5l_log *log,
 	log_offset = r5l_ring_add(log, ctx->pos, BLOCK_SECTORS);
 
 	while (mb_offset < le32_to_cpu(mb->meta_size)) {
+		sector_t payload_len;
 		int dd;
 
 		payload = (void *)mb + mb_offset;
@@ -2112,6 +2121,12 @@ r5c_recovery_analyze_meta_block(struct r5l_log *log,
 		if (le16_to_cpu(payload->header.type) == R5LOG_PAYLOAD_FLUSH) {
 			int i, count;
 
+			payload_len = sizeof(struct r5l_payload_flush) +
+				(sector_t)le32_to_cpu(payload_flush->size);
+			if (mb_offset + payload_len >
+			    le32_to_cpu(mb->meta_size))
+				return -EINVAL;
+
 			count = le32_to_cpu(payload_flush->size) / sizeof(__le64);
 			for (i = 0; i < count; ++i) {
 				stripe_sect = le64_to_cpu(payload_flush->flush_stripes[i]);
@@ -2125,12 +2140,17 @@ r5c_recovery_analyze_meta_block(struct r5l_log *log,
 				}
 			}
 
-			mb_offset += sizeof(struct r5l_payload_flush) +
-				le32_to_cpu(payload_flush->size);
+			mb_offset += payload_len;
 			continue;
 		}
 
 		/* DATA or PARITY payload */
+		payload_len = sizeof(struct r5l_payload_data_parity) +
+			(sector_t)sizeof(__le32) *
+			(le32_to_cpu(payload->size) >> (PAGE_SHIFT - 9));
+		if (mb_offset + payload_len > le32_to_cpu(mb->meta_size))
+			return -EINVAL;
+
 		stripe_sect = (le16_to_cpu(payload->header.type) == R5LOG_PAYLOAD_DATA) ?
 			raid5_compute_sector(
 				conf, le64_to_cpu(payload->location), 0, &dd,
@@ -2195,9 +2215,7 @@ r5c_recovery_analyze_meta_block(struct r5l_log *log,
 		log_offset = r5l_ring_add(log, log_offset,
 					  le32_to_cpu(payload->size));
 
-		mb_offset += sizeof(struct r5l_payload_data_parity) +
-			sizeof(__le32) *
-			(le32_to_cpu(payload->size) >> (PAGE_SHIFT - 9));
+		mb_offset += payload_len;
 	}
 
 	return 0;
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 6ec9bd733922c8..a957eb3ce7bc6c 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -6351,7 +6351,13 @@ static int  retry_aligned_read(struct r5conf *conf, struct bio *raid_bio,
 		}
 
 		if (!add_stripe_bio(sh, raid_bio, dd_idx, 0, 0)) {
-			raid5_release_stripe(sh);
+			int hash;
+
+			spin_lock_irq(&conf->device_lock);
+			hash = sh->hash_lock_index;
+			__release_stripe(conf, sh,
+					 &conf->temp_inactive_list[hash]);
+			spin_unlock_irq(&conf->device_lock);
 			conf->retry_read_aligned = raid_bio;
 			conf->retry_read_offset = scnt;
 			return handled;
diff --git a/drivers/media/dvb-frontends/dib8000.c b/drivers/media/dvb-frontends/dib8000.c
index a28cbbd9e475c9..cd1c9c2a037b62 100644
--- a/drivers/media/dvb-frontends/dib8000.c
+++ b/drivers/media/dvb-frontends/dib8000.c
@@ -2694,7 +2694,7 @@ static void dib8000_viterbi_state(struct dib8000_state *state, u8 onoff)
 
 static void dib8000_set_dds(struct dib8000_state *state, s32 offset_khz)
 {
-	s16 unit_khz_dds_val;
+	s32 unit_khz_dds_val;
 	u32 abs_offset_khz = abs(offset_khz);
 	u32 dds = state->cfg.pll->ifreq & 0x1ffffff;
 	u8 invert = !!(state->cfg.pll->ifreq & (1 << 25));
@@ -2715,7 +2715,7 @@ static void dib8000_set_dds(struct dib8000_state *state, s32 offset_khz)
 			dds = (1<<26) - dds;
 	} else {
 		ratio = 2;
-		unit_khz_dds_val = (u16) (67108864 / state->cfg.pll->internal);
+		unit_khz_dds_val = 67108864 / state->cfg.pll->internal;
 
 		if (offset_khz < 0)
 			unit_khz_dds_val *= -1;
diff --git a/drivers/media/i2c/imx219.c b/drivers/media/i2c/imx219.c
index de1f0aa6fff4a1..389f61a5b59586 100644
--- a/drivers/media/i2c/imx219.c
+++ b/drivers/media/i2c/imx219.c
@@ -1435,6 +1435,9 @@ static int imx219_probe(struct i2c_client *client)
 	/* Request optional enable pin */
 	imx219->reset_gpio = devm_gpiod_get_optional(dev, "reset",
 						     GPIOD_OUT_HIGH);
+	if (IS_ERR(imx219->reset_gpio))
+		return dev_err_probe(dev, PTR_ERR(imx219->reset_gpio),
+				     "failed to get reset gpio\n");
 
 	/*
 	 * The sensor must be powered for imx219_identify_module()
diff --git a/drivers/media/i2c/imx412.c b/drivers/media/i2c/imx412.c
index 5e7ccbc8dfecda..34cf724e3d6617 100644
--- a/drivers/media/i2c/imx412.c
+++ b/drivers/media/i2c/imx412.c
@@ -925,7 +925,7 @@ static int imx412_parse_hw_config(struct imx412 *imx412)
 
 	/* Request optional reset pin */
 	imx412->reset_gpio = devm_gpiod_get_optional(imx412->dev, "reset",
-						     GPIOD_OUT_LOW);
+						     GPIOD_OUT_HIGH);
 	if (IS_ERR(imx412->reset_gpio)) {
 		dev_err(imx412->dev, "failed to get reset gpio %ld\n",
 			PTR_ERR(imx412->reset_gpio));
diff --git a/drivers/media/i2c/ov8856.c b/drivers/media/i2c/ov8856.c
index 6139927cbe240f..4b6c244126aadf 100644
--- a/drivers/media/i2c/ov8856.c
+++ b/drivers/media/i2c/ov8856.c
@@ -1896,12 +1896,18 @@ static int ov8856_init_controls(struct ov8856 *ov8856)
 			  V4L2_CID_HFLIP, 0, 1, 1, 0);
 	v4l2_ctrl_new_std(ctrl_hdlr, &ov8856_ctrl_ops,
 			  V4L2_CID_VFLIP, 0, 1, 1, 0);
-	if (ctrl_hdlr->error)
-		return ctrl_hdlr->error;
+	if (ctrl_hdlr->error) {
+		ret = ctrl_hdlr->error;
+		goto err_ctrl_handler_free;
+	}
 
 	ov8856->sd.ctrl_handler = ctrl_hdlr;
 
 	return 0;
+
+err_ctrl_handler_free:
+	v4l2_ctrl_handler_free(ctrl_hdlr);
+	return ret;
 }
 
 static void ov8856_update_pad_format(const struct ov8856_mode *mode,
diff --git a/drivers/media/rc/streamzap.c b/drivers/media/rc/streamzap.c
index d31ee190301b37..72f83c09a3d9c4 100644
--- a/drivers/media/rc/streamzap.c
+++ b/drivers/media/rc/streamzap.c
@@ -255,9 +255,8 @@ static void streamzap_callback(struct urb *urb)
 	case -ESHUTDOWN:
 		/*
 		 * this urb is terminated, clean up.
-		 * sz might already be invalid at this point
 		 */
-		dev_err(sz->dev, "urb terminated, status: %d\n", urb->status);
+		dev_dbg(sz->dev, "urb terminated, status: %d\n", urb->status);
 		return;
 	default:
 		break;
@@ -396,11 +395,16 @@ static int streamzap_probe(struct usb_interface *intf,
 
 	usb_set_intfdata(intf, sz);
 
-	if (usb_submit_urb(sz->urb_in, GFP_ATOMIC))
+	retval = usb_submit_urb(sz->urb_in, GFP_ATOMIC);
+	if (retval < 0) {
 		dev_err(sz->dev, "urb submit failed\n");
+		goto rc_submit_fail;
+	}
 
 	return 0;
-
+rc_submit_fail:
+	rc_free_device(sz->rdev);
+	usb_set_intfdata(intf, NULL);
 rc_dev_fail:
 	usb_free_urb(sz->urb_in);
 free_buf_in:
diff --git a/drivers/media/rc/xbox_remote.c b/drivers/media/rc/xbox_remote.c
index 98d0b43608ad68..1967e3717de9c6 100644
--- a/drivers/media/rc/xbox_remote.c
+++ b/drivers/media/rc/xbox_remote.c
@@ -55,7 +55,7 @@ struct xbox_remote {
 	struct usb_interface *interface;
 
 	struct urb *irq_urb;
-	unsigned char inbuf[DATA_BUFSIZE] __aligned(sizeof(u16));
+	u8 *inbuf;
 
 	char rc_name[NAME_BUFSIZE];
 	char rc_phys[NAME_BUFSIZE];
@@ -220,6 +220,10 @@ static int xbox_remote_probe(struct usb_interface *interface,
 	if (!xbox_remote || !rc_dev)
 		goto exit_free_dev_rdev;
 
+	xbox_remote->inbuf = kzalloc(DATA_BUFSIZE, GFP_KERNEL);
+	if (!xbox_remote->inbuf)
+		goto exit_free_inbuf;
+
 	/* Allocate URB buffer */
 	xbox_remote->irq_urb = usb_alloc_urb(0, GFP_KERNEL);
 	if (!xbox_remote->irq_urb)
@@ -266,6 +270,8 @@ exit_kill_urbs:
 	usb_kill_urb(xbox_remote->irq_urb);
 exit_free_buffers:
 	usb_free_urb(xbox_remote->irq_urb);
+exit_free_inbuf:
+	kfree(xbox_remote->inbuf);
 exit_free_dev_rdev:
 	rc_free_device(rc_dev);
 	kfree(xbox_remote);
@@ -290,6 +296,7 @@ static void xbox_remote_disconnect(struct usb_interface *interface)
 	usb_kill_urb(xbox_remote->irq_urb);
 	rc_unregister_device(xbox_remote->rdev);
 	usb_free_urb(xbox_remote->irq_urb);
+	kfree(xbox_remote->inbuf);
 	kfree(xbox_remote);
 }
 
diff --git a/drivers/media/test-drivers/vidtv/vidtv_bridge.c b/drivers/media/test-drivers/vidtv/vidtv_bridge.c
index c1621680ec570e..f7c5fb8654959f 100644
--- a/drivers/media/test-drivers/vidtv/vidtv_bridge.c
+++ b/drivers/media/test-drivers/vidtv/vidtv_bridge.c
@@ -237,8 +237,10 @@ static int vidtv_start_feed(struct dvb_demux_feed *feed)
 
 	if (dvb->nfeeds == 1) {
 		ret = vidtv_start_streaming(dvb);
-		if (ret < 0)
+		if (ret < 0) {
+			dvb->nfeeds--;
 			rc = ret;
+		}
 	}
 
 	mutex_unlock(&dvb->feed_lock);
diff --git a/drivers/media/test-drivers/vidtv/vidtv_channel.c b/drivers/media/test-drivers/vidtv/vidtv_channel.c
index 3541155c6fc635..aa177cf96b6ac6 100644
--- a/drivers/media/test-drivers/vidtv/vidtv_channel.c
+++ b/drivers/media/test-drivers/vidtv/vidtv_channel.c
@@ -341,6 +341,10 @@ vidtv_channel_pmt_match_sections(struct vidtv_channel *channels,
 					tail = vidtv_psi_pmt_stream_init(tail,
 									 s->type,
 									 e_pid);
+					if (!tail) {
+						vidtv_psi_pmt_stream_destroy(head);
+						return;
+					}
 
 					if (!head)
 						head = tail;
diff --git a/drivers/media/test-drivers/vidtv/vidtv_mux.c b/drivers/media/test-drivers/vidtv/vidtv_mux.c
index f99878eff7acea..7dad97881fdb04 100644
--- a/drivers/media/test-drivers/vidtv/vidtv_mux.c
+++ b/drivers/media/test-drivers/vidtv/vidtv_mux.c
@@ -233,7 +233,7 @@ static u32 vidtv_mux_push_pcr(struct vidtv_mux *m)
 	/* the 27Mhz clock will feed both parts of the PCR bitfield */
 	args.pcr = m->timing.clk;
 
-	nbytes += vidtv_ts_pcr_write_into(args);
+	nbytes += vidtv_ts_pcr_write_into(&args);
 	m->mux_buf_offset += nbytes;
 
 	m->num_streamed_pcr++;
@@ -363,7 +363,7 @@ static u32 vidtv_mux_pad_with_nulls(struct vidtv_mux *m, u32 npkts)
 	args.continuity_counter = &ctx->cc;
 
 	for (i = 0; i < npkts; ++i) {
-		m->mux_buf_offset += vidtv_ts_null_write_into(args);
+		m->mux_buf_offset += vidtv_ts_null_write_into(&args);
 		args.dest_offset  = m->mux_buf_offset;
 	}
 
diff --git a/drivers/media/test-drivers/vidtv/vidtv_ts.c b/drivers/media/test-drivers/vidtv/vidtv_ts.c
index ca4bb9c40b78ef..cbe9aff9ffb564 100644
--- a/drivers/media/test-drivers/vidtv/vidtv_ts.c
+++ b/drivers/media/test-drivers/vidtv/vidtv_ts.c
@@ -48,7 +48,7 @@ void vidtv_ts_inc_cc(u8 *continuity_counter)
 		*continuity_counter = 0;
 }
 
-u32 vidtv_ts_null_write_into(struct null_packet_write_args args)
+u32 vidtv_ts_null_write_into(const struct null_packet_write_args *args)
 {
 	u32 nbytes = 0;
 	struct vidtv_mpeg_ts ts_header = {};
@@ -56,21 +56,21 @@ u32 vidtv_ts_null_write_into(struct null_packet_write_args args)
 	ts_header.sync_byte          = TS_SYNC_BYTE;
 	ts_header.bitfield           = cpu_to_be16(TS_NULL_PACKET_PID);
 	ts_header.payload            = 1;
-	ts_header.continuity_counter = *args.continuity_counter;
+	ts_header.continuity_counter = *args->continuity_counter;
 
 	/* copy TS header */
-	nbytes += vidtv_memcpy(args.dest_buf,
-			       args.dest_offset + nbytes,
-			       args.buf_sz,
+	nbytes += vidtv_memcpy(args->dest_buf,
+			       args->dest_offset + nbytes,
+			       args->buf_sz,
 			       &ts_header,
 			       sizeof(ts_header));
 
-	vidtv_ts_inc_cc(args.continuity_counter);
+	vidtv_ts_inc_cc(args->continuity_counter);
 
 	/* fill the rest with empty data */
-	nbytes += vidtv_memset(args.dest_buf,
-			       args.dest_offset + nbytes,
-			       args.buf_sz,
+	nbytes += vidtv_memset(args->dest_buf,
+			       args->dest_offset + nbytes,
+			       args->buf_sz,
 			       TS_FILL_BYTE,
 			       TS_PACKET_LEN - nbytes);
 
@@ -83,17 +83,17 @@ u32 vidtv_ts_null_write_into(struct null_packet_write_args args)
 	return nbytes;
 }
 
-u32 vidtv_ts_pcr_write_into(struct pcr_write_args args)
+u32 vidtv_ts_pcr_write_into(const struct pcr_write_args *args)
 {
 	u32 nbytes = 0;
 	struct vidtv_mpeg_ts ts_header = {};
 	struct vidtv_mpeg_ts_adaption ts_adap = {};
 
 	ts_header.sync_byte     = TS_SYNC_BYTE;
-	ts_header.bitfield      = cpu_to_be16(args.pid);
+	ts_header.bitfield      = cpu_to_be16(args->pid);
 	ts_header.scrambling    = 0;
 	/* cc is not incremented, but it is needed. see 13818-1 clause 2.4.3.3 */
-	ts_header.continuity_counter = *args.continuity_counter;
+	ts_header.continuity_counter = *args->continuity_counter;
 	ts_header.payload            = 0;
 	ts_header.adaptation_field   = 1;
 
@@ -102,27 +102,27 @@ u32 vidtv_ts_pcr_write_into(struct pcr_write_args args)
 	ts_adap.PCR    = 1;
 
 	/* copy TS header */
-	nbytes += vidtv_memcpy(args.dest_buf,
-			       args.dest_offset + nbytes,
-			       args.buf_sz,
+	nbytes += vidtv_memcpy(args->dest_buf,
+			       args->dest_offset + nbytes,
+			       args->buf_sz,
 			       &ts_header,
 			       sizeof(ts_header));
 
 	/* write the adap after the TS header */
-	nbytes += vidtv_memcpy(args.dest_buf,
-			       args.dest_offset + nbytes,
-			       args.buf_sz,
+	nbytes += vidtv_memcpy(args->dest_buf,
+			       args->dest_offset + nbytes,
+			       args->buf_sz,
 			       &ts_adap,
 			       sizeof(ts_adap));
 
 	/* write the PCR optional */
-	nbytes += vidtv_ts_write_pcr_bits(args.dest_buf,
-					  args.dest_offset + nbytes,
-					  args.pcr);
+	nbytes += vidtv_ts_write_pcr_bits(args->dest_buf,
+					  args->dest_offset + nbytes,
+					  args->pcr);
 
-	nbytes += vidtv_memset(args.dest_buf,
-			       args.dest_offset + nbytes,
-			       args.buf_sz,
+	nbytes += vidtv_memset(args->dest_buf,
+			       args->dest_offset + nbytes,
+			       args->buf_sz,
 			       TS_FILL_BYTE,
 			       TS_PACKET_LEN - nbytes);
 
diff --git a/drivers/media/test-drivers/vidtv/vidtv_ts.h b/drivers/media/test-drivers/vidtv/vidtv_ts.h
index 09b4ffd0282921..3606398e160d9f 100644
--- a/drivers/media/test-drivers/vidtv/vidtv_ts.h
+++ b/drivers/media/test-drivers/vidtv/vidtv_ts.h
@@ -90,7 +90,7 @@ void vidtv_ts_inc_cc(u8 *continuity_counter);
  *
  * Return: The number of bytes written into the buffer.
  */
-u32 vidtv_ts_null_write_into(struct null_packet_write_args args);
+u32 vidtv_ts_null_write_into(const struct null_packet_write_args *args);
 
 /**
  * vidtv_ts_pcr_write_into - Write a PCR  packet into a buffer.
@@ -101,6 +101,6 @@ u32 vidtv_ts_null_write_into(struct null_packet_write_args args);
  *
  * Return: The number of bytes written into the buffer.
  */
-u32 vidtv_ts_pcr_write_into(struct pcr_write_args args);
+u32 vidtv_ts_pcr_write_into(const struct pcr_write_args *args);
 
 #endif //VIDTV_TS_H
diff --git a/drivers/media/usb/as102/as102_usb_drv.c b/drivers/media/usb/as102/as102_usb_drv.c
index 50419e8ae56c57..07f6d0331e4d9f 100644
--- a/drivers/media/usb/as102/as102_usb_drv.c
+++ b/drivers/media/usb/as102/as102_usb_drv.c
@@ -405,7 +405,9 @@ static int as102_usb_probe(struct usb_interface *intf,
 failed_dvb:
 	as102_free_usb_stream_buffer(as102_dev);
 failed_stream:
+	usb_set_intfdata(intf, NULL);
 	usb_deregister_dev(intf, &as102_usb_class_driver);
+	return ret;
 failed:
 	usb_put_dev(as102_dev->bus_adap.usb_dev);
 	usb_set_intfdata(intf, NULL);
diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c
index 6b84c3413e83bf..b086b2abf082e2 100644
--- a/drivers/media/usb/em28xx/em28xx-video.c
+++ b/drivers/media/usb/em28xx/em28xx-video.c
@@ -2136,7 +2136,7 @@ static int em28xx_v4l2_open(struct file *filp)
 {
 	struct video_device *vdev = video_devdata(filp);
 	struct em28xx *dev = video_drvdata(filp);
-	struct em28xx_v4l2 *v4l2 = dev->v4l2;
+	struct em28xx_v4l2 *v4l2;
 	enum v4l2_buf_type fh_type = 0;
 	int ret;
 
@@ -2153,13 +2153,19 @@ static int em28xx_v4l2_open(struct file *filp)
 		return -EINVAL;
 	}
 
+	if (mutex_lock_interruptible(&dev->lock))
+		return -ERESTARTSYS;
+
+	v4l2 = dev->v4l2;
+	if (!v4l2) {
+		mutex_unlock(&dev->lock);
+		return -ENODEV;
+	}
+
 	em28xx_videodbg("open dev=%s type=%s users=%d\n",
 			video_device_node_name(vdev), v4l2_type_names[fh_type],
 			v4l2->users);
 
-	if (mutex_lock_interruptible(&dev->lock))
-		return -ERESTARTSYS;
-
 	ret = v4l2_fh_open(filp);
 	if (ret) {
 		dev_err(&dev->intf->dev,
diff --git a/drivers/media/usb/hackrf/hackrf.c b/drivers/media/usb/hackrf/hackrf.c
index 3e535be2c520ee..9973f1e4950d32 100644
--- a/drivers/media/usb/hackrf/hackrf.c
+++ b/drivers/media/usb/hackrf/hackrf.c
@@ -1485,7 +1485,7 @@ static int hackrf_probe(struct usb_interface *intf,
 	if (ret) {
 		dev_err(dev->dev,
 			"Failed to register as video device (%d)\n", ret);
-		goto err_v4l2_device_unregister;
+		goto err_v4l2_device_put;
 	}
 	dev_info(dev->dev, "Registered as %s\n",
 		 video_device_node_name(&dev->rx_vdev));
@@ -1514,8 +1514,9 @@ static int hackrf_probe(struct usb_interface *intf,
 	return 0;
 err_video_unregister_device_rx:
 	video_unregister_device(&dev->rx_vdev);
-err_v4l2_device_unregister:
-	v4l2_device_unregister(&dev->v4l2_dev);
+err_v4l2_device_put:
+	v4l2_device_put(&dev->v4l2_dev);
+	return ret;
 err_v4l2_ctrl_handler_free_tx:
 	v4l2_ctrl_handler_free(&dev->tx_ctrl_handler);
 err_v4l2_ctrl_handler_free_rx:
diff --git a/drivers/media/usb/uvc/uvc_queue.c b/drivers/media/usb/uvc/uvc_queue.c
index f1f58f2d820f87..80eb72a6238dd1 100644
--- a/drivers/media/usb/uvc/uvc_queue.c
+++ b/drivers/media/usb/uvc/uvc_queue.c
@@ -217,7 +217,7 @@ int uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type,
 	int ret;
 
 	queue->queue.type = type;
-	queue->queue.io_modes = VB2_MMAP | VB2_USERPTR;
+	queue->queue.io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
 	queue->queue.drv_priv = queue;
 	queue->queue.buf_struct_size = sizeof(struct uvc_buffer);
 	queue->queue.mem_ops = &vb2_vmalloc_memops;
@@ -230,7 +230,6 @@ int uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type,
 		queue->queue.ops = &uvc_meta_queue_qops;
 		break;
 	default:
-		queue->queue.io_modes |= VB2_DMABUF;
 		queue->queue.ops = &uvc_queue_qops;
 		break;
 	}
diff --git a/drivers/memory/tegra/tegra124-emc.c b/drivers/memory/tegra/tegra124-emc.c
index 908f8d5392b219..6d5eb7d5b75c21 100644
--- a/drivers/memory/tegra/tegra124-emc.c
+++ b/drivers/memory/tegra/tegra124-emc.c
@@ -608,7 +608,7 @@ static int tegra_emc_prepare_timing_change(struct tegra_emc *emc,
 
 	if ((last->emc_mode_1 & 0x1) == (timing->emc_mode_1 & 0x1))
 		dll_change = DLL_CHANGE_NONE;
-	else if (timing->emc_mode_1 & 0x1)
+	else if (!(timing->emc_mode_1 & 0x1))
 		dll_change = DLL_CHANGE_ON;
 	else
 		dll_change = DLL_CHANGE_OFF;
diff --git a/drivers/memory/tegra/tegra30-emc.c b/drivers/memory/tegra/tegra30-emc.c
index 7e21a852f2e1ff..ed4b74540714ef 100644
--- a/drivers/memory/tegra/tegra30-emc.c
+++ b/drivers/memory/tegra/tegra30-emc.c
@@ -539,14 +539,14 @@ static int emc_prepare_timing_change(struct tegra_emc *emc, unsigned long rate)
 	emc->emc_cfg = readl_relaxed(emc->regs + EMC_CFG);
 	emc_dbg = readl_relaxed(emc->regs + EMC_DBG);
 
-	if (emc->dll_on == !!(timing->emc_mode_1 & 0x1))
+	if (emc->dll_on == !(timing->emc_mode_1 & 0x1))
 		dll_change = DLL_CHANGE_NONE;
-	else if (timing->emc_mode_1 & 0x1)
+	else if (!(timing->emc_mode_1 & 0x1))
 		dll_change = DLL_CHANGE_ON;
 	else
 		dll_change = DLL_CHANGE_OFF;
 
-	emc->dll_on = !!(timing->emc_mode_1 & 0x1);
+	emc->dll_on = !(timing->emc_mode_1 & 0x1);
 
 	if (timing->data[80] && !readl_relaxed(emc->regs + EMC_ZCAL_INTERVAL))
 		emc->zcal_long = true;
diff --git a/drivers/mfd/mc13xxx-core.c b/drivers/mfd/mc13xxx-core.c
index e281a9202f110f..a2b016a9eeae6f 100644
--- a/drivers/mfd/mc13xxx-core.c
+++ b/drivers/mfd/mc13xxx-core.c
@@ -377,7 +377,7 @@ static int mc13xxx_add_subdevice_pdata(struct mc13xxx *mc13xxx,
 	if (snprintf(buf, sizeof(buf), format, name) > sizeof(buf))
 		return -E2BIG;
 
-	cell.name = kmemdup(buf, strlen(buf) + 1, GFP_KERNEL);
+	cell.name = devm_kmemdup(mc13xxx->dev, buf, strlen(buf) + 1, GFP_KERNEL);
 	if (!cell.name)
 		return -ENOMEM;
 
diff --git a/drivers/misc/ibmasm/ibmasmfs.c b/drivers/misc/ibmasm/ibmasmfs.c
index 35fec1bf1b3dd7..e3d4acb49af215 100644
--- a/drivers/misc/ibmasm/ibmasmfs.c
+++ b/drivers/misc/ibmasm/ibmasmfs.c
@@ -303,6 +303,8 @@ static ssize_t command_file_write(struct file *file, const char __user *ubuff, s
 		return -EINVAL;
 	if (count == 0 || count > IBMASM_CMD_MAX_BUFFER_SIZE)
 		return 0;
+	if (count < sizeof(struct dot_command_header))
+		return -EINVAL;
 	if (*offset != 0)
 		return 0;
 
@@ -319,6 +321,11 @@ static ssize_t command_file_write(struct file *file, const char __user *ubuff, s
 		return -EFAULT;
 	}
 
+	if (count < get_dot_command_size(cmd->buffer)) {
+		command_put(cmd);
+		return -EINVAL;
+	}
+
 	spin_lock_irqsave(&command_data->sp->lock, flags);
 	if (command_data->command) {
 		spin_unlock_irqrestore(&command_data->sp->lock, flags);
diff --git a/drivers/misc/ibmasm/lowlevel.c b/drivers/misc/ibmasm/lowlevel.c
index 6922dc6c10db08..5313230f36ad4d 100644
--- a/drivers/misc/ibmasm/lowlevel.c
+++ b/drivers/misc/ibmasm/lowlevel.c
@@ -19,17 +19,21 @@ static struct i2o_header header = I2O_HEADER_TEMPLATE;
 int ibmasm_send_i2o_message(struct service_processor *sp)
 {
 	u32 mfa;
-	unsigned int command_size;
+	size_t command_size;
 	struct i2o_message *message;
 	struct command *command = sp->current_command;
 
+	command_size = get_dot_command_size(command->buffer);
+	if (command_size > command->buffer_size)
+		return 1;
+	if (command_size > I2O_COMMAND_SIZE)
+		command_size = I2O_COMMAND_SIZE;
+
 	mfa = get_mfa_inbound(sp->base_address);
 	if (!mfa)
 		return 1;
 
-	command_size = get_dot_command_size(command->buffer);
-	header.message_size = outgoing_message_size(command_size);
-
+	header.message_size = outgoing_message_size((unsigned int)command_size);
 	message = get_i2o_message(sp->base_address, mfa);
 
 	memcpy_toio(&message->header, &header, sizeof(struct i2o_header));
diff --git a/drivers/misc/ibmasm/remote.c b/drivers/misc/ibmasm/remote.c
index ec816d3b38cbd4..521531738c9af3 100644
--- a/drivers/misc/ibmasm/remote.c
+++ b/drivers/misc/ibmasm/remote.c
@@ -177,6 +177,11 @@ void ibmasm_handle_mouse_interrupt(struct service_processor *sp)
 	writer = get_queue_writer(sp);
 
 	while (reader != writer) {
+		if (reader >= REMOTE_QUEUE_SIZE || writer >= REMOTE_QUEUE_SIZE) {
+			set_queue_reader(sp, 0);
+			break;
+		}
+
 		memcpy_fromio(&input, get_queue_entry(sp, reader),
 				sizeof(struct remote_input));
 
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 68f820cd73b276..e0421d857030f4 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -1361,6 +1361,9 @@ static void mmc_blk_data_prep(struct mmc_queue *mq, struct mmc_queue_req *mqrq,
 		    rq_data_dir(req) == WRITE &&
 		    (md->flags & MMC_BLK_REL_WR);
 
+	if (mqrq->flags & MQRQ_XFER_SINGLE_BLOCK)
+		recovery_mode = 1;
+
 	memset(brq, 0, sizeof(struct mmc_blk_request));
 
 	mmc_crypto_prepare_req(mqrq);
@@ -1500,10 +1503,13 @@ static void mmc_blk_cqe_complete_rq(struct mmc_queue *mq, struct request *req)
 		err = 0;
 
 	if (err) {
-		if (mqrq->retries++ < MMC_CQE_RETRIES)
+		if (mqrq->retries++ < MMC_CQE_RETRIES) {
+			if (rq_data_dir(req) == WRITE)
+				mqrq->flags |= MQRQ_XFER_SINGLE_BLOCK;
 			blk_mq_requeue_request(req, true);
-		else
+		} else {
 			blk_mq_end_request(req, BLK_STS_IOERR);
+		}
 	} else if (mrq->data) {
 		if (blk_update_request(req, BLK_STS_OK, mrq->data->bytes_xfered))
 			blk_mq_requeue_request(req, true);
@@ -2041,6 +2047,8 @@ static void mmc_blk_mq_complete_rq(struct mmc_queue *mq, struct request *req)
 	} else if (!blk_rq_bytes(req)) {
 		__blk_mq_end_request(req, BLK_STS_IOERR);
 	} else if (mqrq->retries++ < MMC_MAX_RETRIES) {
+		if (rq_data_dir(req) == WRITE)
+			mqrq->flags |= MQRQ_XFER_SINGLE_BLOCK;
 		blk_mq_requeue_request(req, true);
 	} else {
 		if (mmc_card_removed(mq->card))
diff --git a/drivers/mmc/core/queue.h b/drivers/mmc/core/queue.h
index 9ade3bcbb714e4..c30e4065c9ba47 100644
--- a/drivers/mmc/core/queue.h
+++ b/drivers/mmc/core/queue.h
@@ -61,6 +61,8 @@ enum mmc_drv_op {
 	MMC_DRV_OP_GET_EXT_CSD,
 };
 
+#define	MQRQ_XFER_SINGLE_BLOCK		BIT(0)
+
 struct mmc_queue_req {
 	struct mmc_blk_request	brq;
 	struct scatterlist	*sg;
@@ -69,6 +71,7 @@ struct mmc_queue_req {
 	void			*drv_op_data;
 	unsigned int		ioc_count;
 	int			retries;
+	u32			flags;
 };
 
 struct mmc_queue {
diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c
index 27c08f22dec8c0..7de576404b14f4 100644
--- a/drivers/mtd/devices/docg3.c
+++ b/drivers/mtd/devices/docg3.c
@@ -2038,10 +2038,9 @@ err_probe:
  *
  * Returns 0
  */
-static int docg3_release(struct platform_device *pdev)
+static void docg3_release(struct platform_device *pdev)
 {
 	struct docg3_cascade *cascade = platform_get_drvdata(pdev);
-	struct docg3 *docg3 = cascade->floors[0]->priv;
 	int floor;
 
 	doc_unregister_sysfs(pdev, cascade);
@@ -2049,8 +2048,7 @@ static int docg3_release(struct platform_device *pdev)
 		if (cascade->floors[floor])
 			doc_release_device(cascade->floors[floor]);
 
-	bch_free(docg3->cascade->bch);
-	return 0;
+	bch_free(cascade->bch);
 }
 
 #ifdef CONFIG_OF
@@ -2068,7 +2066,7 @@ static struct platform_driver g3_driver = {
 	},
 	.suspend	= docg3_suspend,
 	.resume		= docg3_resume,
-	.remove		= docg3_release,
+	.remove_new	= docg3_release,
 };
 
 module_platform_driver_probe(g3_driver, docg3_probe);
diff --git a/drivers/mtd/maps/physmap-gemini.c b/drivers/mtd/maps/physmap-gemini.c
index d4a46e159d38f6..8d5b791dd08d47 100644
--- a/drivers/mtd/maps/physmap-gemini.c
+++ b/drivers/mtd/maps/physmap-gemini.c
@@ -181,7 +181,7 @@ int of_flash_probe_gemini(struct platform_device *pdev,
 		dev_err(dev, "no enabled pin control state\n");
 
 	gf->disabled_state = pinctrl_lookup_state(gf->p, "disabled");
-	if (IS_ERR(gf->enabled_state)) {
+	if (IS_ERR(gf->disabled_state)) {
 		dev_err(dev, "no disabled pin control state\n");
 	} else {
 		ret = pinctrl_select_state(gf->p, gf->disabled_state);
diff --git a/drivers/mtd/nand/raw/sunxi_nand.c b/drivers/mtd/nand/raw/sunxi_nand.c
index 11f656e9affb54..aa59b884206e0e 100644
--- a/drivers/mtd/nand/raw/sunxi_nand.c
+++ b/drivers/mtd/nand/raw/sunxi_nand.c
@@ -898,9 +898,9 @@ static void sunxi_nfc_hw_ecc_read_extra_oob(struct nand_chip *nand,
 	if (len <= 0)
 		return;
 
-	if (!cur_off || *cur_off != offset)
-		nand_change_read_column_op(nand, mtd->writesize, NULL, 0,
-					   false);
+	if (!cur_off || *cur_off != (offset + mtd->writesize))
+		nand_change_read_column_op(nand, mtd->writesize + offset,
+					   NULL, 0, false);
 
 	if (!randomize)
 		sunxi_nfc_read_buf(nand, oob + offset, len);
diff --git a/drivers/mtd/parsers/ofpart_core.c b/drivers/mtd/parsers/ofpart_core.c
index 20af45a7270d5c..c024346df0c59e 100644
--- a/drivers/mtd/parsers/ofpart_core.c
+++ b/drivers/mtd/parsers/ofpart_core.c
@@ -71,7 +71,7 @@ static int parse_fixed_partitions(struct mtd_info *master,
 			dedicated = false;
 		}
 	} else { /* Partition */
-		ofpart_node = mtd_node;
+		ofpart_node = of_node_get(mtd_node);
 	}
 
 	of_id = of_match_node(parse_ofpart_match_table, ofpart_node);
@@ -172,11 +172,11 @@ static int parse_fixed_partitions(struct mtd_info *master,
 ofpart_fail:
 	pr_err("%s: error parsing ofpart partition %pOF (%pOF)\n",
 	       master->name, pp, mtd_node);
+	of_node_put(pp);
 	ret = -EINVAL;
 ofpart_none:
 	if (dedicated)
 		of_node_put(ofpart_node);
-	of_node_put(pp);
 	kfree(parts);
 	return ret;
 }
diff --git a/drivers/mtd/spi-nor/core.c b/drivers/mtd/spi-nor/core.c
index e115aab7243e11..4de12532cb7579 100644
--- a/drivers/mtd/spi-nor/core.c
+++ b/drivers/mtd/spi-nor/core.c
@@ -2160,7 +2160,7 @@ static int spi_nor_spimem_check_readop(struct spi_nor *nor,
 	/* convert the dummy cycles to the number of bytes */
 	op.dummy.nbytes = (read->num_mode_clocks + read->num_wait_states) *
 			  op.dummy.buswidth / 8;
-	if (spi_nor_protocol_is_dtr(nor->read_proto))
+	if (spi_nor_protocol_is_dtr(read->proto))
 		op.dummy.nbytes *= 2;
 
 	return spi_nor_spimem_check_op(nor, &op);
diff --git a/drivers/mtd/spi-nor/swp.c b/drivers/mtd/spi-nor/swp.c
index 8594bcbb7dbe05..f29779a7611368 100644
--- a/drivers/mtd/spi-nor/swp.c
+++ b/drivers/mtd/spi-nor/swp.c
@@ -27,8 +27,10 @@ static u8 spi_nor_get_sr_tb_mask(struct spi_nor *nor)
 {
 	if (nor->flags & SNOR_F_HAS_SR_TB_BIT6)
 		return SR_TB_BIT6;
-	else
+	else if (nor->flags & SNOR_F_HAS_SR_TB)
 		return SR_TB_BIT5;
+	else
+		return 0;
 }
 
 static u64 spi_nor_get_min_prot_length_sr(struct spi_nor *nor)
diff --git a/drivers/net/bareudp.c b/drivers/net/bareudp.c
index bec8a2c8656c01..2b03967c140c13 100644
--- a/drivers/net/bareudp.c
+++ b/drivers/net/bareudp.c
@@ -318,8 +318,10 @@ static int bareudp_xmit_skb(struct sk_buff *skb, struct net_device *dev,
 	if (!sock)
 		return -ESHUTDOWN;
 
-	rt = ip_route_output_tunnel(skb, dev, bareudp->net, &saddr, info,
-				    IPPROTO_UDP, use_cache);
+	rt = udp_tunnel_dst_lookup(skb, dev, bareudp->net, 0, &saddr, &info->key,
+				   0, 0, key->tos,
+				   use_cache ?
+				   (struct dst_cache *)&info->dst_cache : NULL);
 
 	if (IS_ERR(rt))
 		return PTR_ERR(rt);
@@ -384,8 +386,8 @@ static int bareudp6_xmit_skb(struct sk_buff *skb, struct net_device *dev,
 	if (!sock)
 		return -ESHUTDOWN;
 
-	dst = ip6_dst_lookup_tunnel(skb, dev, bareudp->net, sock, &saddr, info,
-				    IPPROTO_UDP, use_cache);
+	dst = udp_tunnel6_dst_lookup(skb, dev, bareudp->net, sock, &saddr, info,
+				     IPPROTO_UDP, use_cache);
 	if (IS_ERR(dst))
 		return PTR_ERR(dst);
 
@@ -498,8 +500,9 @@ static int bareudp_fill_metadata_dst(struct net_device *dev,
 		struct rtable *rt;
 		__be32 saddr;
 
-		rt = ip_route_output_tunnel(skb, dev, bareudp->net, &saddr,
-					    info, IPPROTO_UDP, use_cache);
+		rt = udp_tunnel_dst_lookup(skb, dev, bareudp->net, 0, &saddr,
+					   &info->key, 0, 0, info->key.tos,
+					   use_cache ? &info->dst_cache : NULL);
 		if (IS_ERR(rt))
 			return PTR_ERR(rt);
 
@@ -510,9 +513,12 @@ static int bareudp_fill_metadata_dst(struct net_device *dev,
 		struct in6_addr saddr;
 		struct socket *sock = rcu_dereference(bareudp->sock);
 
-		dst = ip6_dst_lookup_tunnel(skb, dev, bareudp->net, sock,
-					    &saddr, info, IPPROTO_UDP,
-					    use_cache);
+		if (!sock)
+			return -ESHUTDOWN;
+
+		dst = udp_tunnel6_dst_lookup(skb, dev, bareudp->net, sock,
+					     &saddr, info, IPPROTO_UDP,
+					     use_cache);
 		if (IS_ERR(dst))
 			return PTR_ERR(dst);
 
diff --git a/drivers/net/can/spi/mcp251x.c b/drivers/net/can/spi/mcp251x.c
index e71edca7afbb2a..2810583b818a33 100644
--- a/drivers/net/can/spi/mcp251x.c
+++ b/drivers/net/can/spi/mcp251x.c
@@ -1218,7 +1218,11 @@ static int mcp251x_open(struct net_device *net)
 	}
 
 	mutex_lock(&priv->mcp_lock);
-	mcp251x_power_enable(priv->transceiver, 1);
+	ret = mcp251x_power_enable(priv->transceiver, 1);
+	if (ret) {
+		dev_err(&spi->dev, "failed to enable transceiver power: %pe\n", ERR_PTR(ret));
+		goto out_close_candev;
+	}
 
 	priv->force_quit = 0;
 	priv->tx_skb = NULL;
@@ -1267,6 +1271,7 @@ out_free_irq:
 	mcp251x_hw_sleep(spi);
 out_close:
 	mcp251x_power_enable(priv->transceiver, 0);
+out_close_candev:
 	close_candev(net);
 	mutex_unlock(&priv->mcp_lock);
 	if (release_irq)
@@ -1505,11 +1510,25 @@ static int __maybe_unused mcp251x_can_resume(struct device *dev)
 {
 	struct spi_device *spi = to_spi_device(dev);
 	struct mcp251x_priv *priv = spi_get_drvdata(spi);
+	int ret = 0;
 
-	if (priv->after_suspend & AFTER_SUSPEND_POWER)
-		mcp251x_power_enable(priv->power, 1);
-	if (priv->after_suspend & AFTER_SUSPEND_UP)
-		mcp251x_power_enable(priv->transceiver, 1);
+	if (priv->after_suspend & AFTER_SUSPEND_POWER) {
+		ret = mcp251x_power_enable(priv->power, 1);
+		if (ret) {
+			dev_err(dev, "failed to restore power: %pe\n", ERR_PTR(ret));
+			return ret;
+		}
+	}
+
+	if (priv->after_suspend & AFTER_SUSPEND_UP) {
+		ret = mcp251x_power_enable(priv->transceiver, 1);
+		if (ret) {
+			dev_err(dev, "failed to restore transceiver power: %pe\n", ERR_PTR(ret));
+			if (priv->after_suspend & AFTER_SUSPEND_POWER)
+				mcp251x_power_enable(priv->power, 0);
+			return ret;
+		}
+	}
 
 	if (priv->after_suspend & (AFTER_SUSPEND_POWER | AFTER_SUSPEND_UP))
 		queue_work(priv->wq, &priv->restart_work);
diff --git a/drivers/net/can/usb/gs_usb.c b/drivers/net/can/usb/gs_usb.c
index fd9a06850c9507..17bf4cae7b2d15 100644
--- a/drivers/net/can/usb/gs_usb.c
+++ b/drivers/net/can/usb/gs_usb.c
@@ -467,8 +467,21 @@ static void gs_usb_xmit_callback(struct urb *urb)
 	struct gs_can *dev = txc->dev;
 	struct net_device *netdev = dev->netdev;
 
-	if (urb->status)
-		netdev_info(netdev, "usb xmit fail %d\n", txc->echo_id);
+	if (!urb->status)
+		return;
+
+	if (urb->status != -ESHUTDOWN && net_ratelimit())
+		netdev_info(netdev, "failed to xmit URB %u: %pe\n",
+			    txc->echo_id, ERR_PTR(urb->status));
+
+	netdev->stats.tx_dropped++;
+	netdev->stats.tx_errors++;
+
+	can_free_echo_skb(netdev, txc->echo_id, NULL);
+	gs_free_tx_context(txc);
+	atomic_dec(&dev->active_tx_urbs);
+
+	netif_wake_queue(netdev);
 
 	usb_free_coherent(urb->dev,
 			  urb->transfer_buffer_length,
diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index 86db6a18c83771..118e72c845e02f 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -907,12 +907,16 @@ mt7530_set_ageing_time(struct dsa_switch *ds, unsigned int msecs)
 	unsigned int age_count;
 	unsigned int age_unit;
 
-	/* Applied timer is (AGE_CNT + 1) * (AGE_UNIT + 1) seconds */
-	if (secs < 1 || secs > (AGE_CNT_MAX + 1) * (AGE_UNIT_MAX + 1))
-		return -ERANGE;
-
-	/* iterate through all possible age_count to find the closest pair */
-	for (tmp_age_count = 0; tmp_age_count <= AGE_CNT_MAX; ++tmp_age_count) {
+	/* Applied timer is (AGE_CNT + 1) * (AGE_UNIT + 1) seconds.
+	 * The DSA core has already validated the range using
+	 * ds->ageing_time_min and ds->ageing_time_max.
+	 *
+	 * Iterate through all possible age_count values to find the closest
+	 * pair. Start from 1 because the per-entry aging counter is
+	 * initialized to AGE_CNT and a value of 0 means the entry will
+	 * never be aged out.
+	 */
+	for (tmp_age_count = 1; tmp_age_count <= AGE_CNT_MAX; ++tmp_age_count) {
 		unsigned int tmp_age_unit = secs / (tmp_age_count + 1) - 1;
 
 		if (tmp_age_unit <= AGE_UNIT_MAX) {
@@ -1179,46 +1183,41 @@ unlock_exit:
 static void
 mt753x_trap_frames(struct mt7530_priv *priv)
 {
-	/* Trap 802.1X PAE frames and BPDUs to the CPU port(s) and egress them
-	 * VLAN-untagged.
+	/* Trap 802.1X PAE frames and BPDUs to the CPU port(s) and egress
+	 * them with the EG_TAG attribute set to disabled (system default)
+	 * so that any VLAN tags in the frame are not modified by the
+	 * switch egress VLAN tag processing. This preserves VLAN tags
+	 * for reception on VLAN sub-interfaces.
 	 */
 	mt7530_rmw(priv, MT753X_BPC,
-		   MT753X_PAE_BPDU_FR | MT753X_PAE_EG_TAG_MASK |
-			   MT753X_PAE_PORT_FW_MASK | MT753X_BPDU_EG_TAG_MASK |
-			   MT753X_BPDU_PORT_FW_MASK,
-		   MT753X_PAE_BPDU_FR |
-			   MT753X_PAE_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
-			   MT753X_PAE_PORT_FW(MT753X_BPDU_CPU_ONLY) |
-			   MT753X_BPDU_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
-			   MT753X_BPDU_CPU_ONLY);
-
-	/* Trap frames with :01 and :02 MAC DAs to the CPU port(s) and egress
-	 * them VLAN-untagged.
+		   PAE_BPDU_FR | PAE_EG_TAG_MASK | PAE_PORT_FW_MASK |
+			   BPDU_EG_TAG_MASK | BPDU_PORT_FW_MASK,
+		   PAE_BPDU_FR | PAE_EG_TAG(MT7530_VLAN_EG_DISABLED) |
+			   PAE_PORT_FW(TO_CPU_FW_CPU_ONLY) |
+			   BPDU_EG_TAG(MT7530_VLAN_EG_DISABLED) |
+			   TO_CPU_FW_CPU_ONLY);
+
+	/* Trap frames with :01 and :02 MAC DAs to the CPU port(s) and
+	 * egress them with EG_TAG disabled.
 	 */
 	mt7530_rmw(priv, MT753X_RGAC1,
-		   MT753X_R02_BPDU_FR | MT753X_R02_EG_TAG_MASK |
-			   MT753X_R02_PORT_FW_MASK | MT753X_R01_BPDU_FR |
-			   MT753X_R01_EG_TAG_MASK | MT753X_R01_PORT_FW_MASK,
-		   MT753X_R02_BPDU_FR |
-			   MT753X_R02_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
-			   MT753X_R02_PORT_FW(MT753X_BPDU_CPU_ONLY) |
-			   MT753X_R01_BPDU_FR |
-			   MT753X_R01_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
-			   MT753X_BPDU_CPU_ONLY);
-
-	/* Trap frames with :03 and :0E MAC DAs to the CPU port(s) and egress
-	 * them VLAN-untagged.
+		   R02_BPDU_FR | R02_EG_TAG_MASK | R02_PORT_FW_MASK |
+			   R01_BPDU_FR | R01_EG_TAG_MASK | R01_PORT_FW_MASK,
+		   R02_BPDU_FR | R02_EG_TAG(MT7530_VLAN_EG_DISABLED) |
+			   R02_PORT_FW(TO_CPU_FW_CPU_ONLY) | R01_BPDU_FR |
+			   R01_EG_TAG(MT7530_VLAN_EG_DISABLED) |
+			   TO_CPU_FW_CPU_ONLY);
+
+	/* Trap frames with :03 and :0E MAC DAs to the CPU port(s) and
+	 * egress them with EG_TAG disabled.
 	 */
 	mt7530_rmw(priv, MT753X_RGAC2,
-		   MT753X_R0E_BPDU_FR | MT753X_R0E_EG_TAG_MASK |
-			   MT753X_R0E_PORT_FW_MASK | MT753X_R03_BPDU_FR |
-			   MT753X_R03_EG_TAG_MASK | MT753X_R03_PORT_FW_MASK,
-		   MT753X_R0E_BPDU_FR |
-			   MT753X_R0E_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
-			   MT753X_R0E_PORT_FW(MT753X_BPDU_CPU_ONLY) |
-			   MT753X_R03_BPDU_FR |
-			   MT753X_R03_EG_TAG(MT7530_VLAN_EG_UNTAGGED) |
-			   MT753X_BPDU_CPU_ONLY);
+		   R0E_BPDU_FR | R0E_EG_TAG_MASK | R0E_PORT_FW_MASK |
+			   R03_BPDU_FR | R03_EG_TAG_MASK | R03_PORT_FW_MASK,
+		   R0E_BPDU_FR | R0E_EG_TAG(MT7530_VLAN_EG_DISABLED) |
+			   R0E_PORT_FW(TO_CPU_FW_CPU_ONLY) | R03_BPDU_FR |
+			   R03_EG_TAG(MT7530_VLAN_EG_DISABLED) |
+			   TO_CPU_FW_CPU_ONLY);
 }
 
 static int
@@ -2357,6 +2356,8 @@ mt7530_setup(struct dsa_switch *ds)
 
 	ds->assisted_learning_on_cpu_port = true;
 	ds->mtu_enforcement_ingress = true;
+	ds->ageing_time_min = 2 * 1000;
+	ds->ageing_time_max = (AGE_CNT_MAX + 1) * (AGE_UNIT_MAX + 1) * 1000;
 
 	if (priv->id == ID_MT7530) {
 		regulator_set_voltage(priv->core_pwr, 1000000, 1000000);
@@ -2534,6 +2535,11 @@ mt7531_setup_common(struct dsa_switch *ds)
 	struct mt7530_priv *priv = ds->priv;
 	int ret, i;
 
+	ds->assisted_learning_on_cpu_port = true;
+	ds->mtu_enforcement_ingress = true;
+	ds->ageing_time_min = 2 * 1000;
+	ds->ageing_time_max = (AGE_CNT_MAX + 1) * (AGE_UNIT_MAX + 1) * 1000;
+
 	mt753x_trap_frames(priv);
 
 	/* Enable and reset MIB counters */
@@ -2673,9 +2679,6 @@ mt7531_setup(struct dsa_switch *ds)
 	if (ret)
 		return ret;
 
-	ds->assisted_learning_on_cpu_port = true;
-	ds->mtu_enforcement_ingress = true;
-
 	return 0;
 }
 
diff --git a/drivers/net/dsa/mt7530.h b/drivers/net/dsa/mt7530.h
index 4a013680ce643d..9e76a2b6403b5c 100644
--- a/drivers/net/dsa/mt7530.h
+++ b/drivers/net/dsa/mt7530.h
@@ -67,47 +67,47 @@ enum mt753x_id {
 #define MT753X_MIRROR_MASK(id)		(((id) == ID_MT7531) ? \
 					 MT7531_MIRROR_MASK : MIRROR_MASK)
 
-/* Registers for BPDU and PAE frame control*/
+/* Register for BPDU and PAE frame control */
 #define MT753X_BPC			0x24
-#define  MT753X_PAE_BPDU_FR		BIT(25)
-#define  MT753X_PAE_EG_TAG_MASK		GENMASK(24, 22)
-#define  MT753X_PAE_EG_TAG(x)		FIELD_PREP(MT753X_PAE_EG_TAG_MASK, x)
-#define  MT753X_PAE_PORT_FW_MASK	GENMASK(18, 16)
-#define  MT753X_PAE_PORT_FW(x)		FIELD_PREP(MT753X_PAE_PORT_FW_MASK, x)
-#define  MT753X_BPDU_EG_TAG_MASK	GENMASK(8, 6)
-#define  MT753X_BPDU_EG_TAG(x)		FIELD_PREP(MT753X_BPDU_EG_TAG_MASK, x)
-#define  MT753X_BPDU_PORT_FW_MASK	GENMASK(2, 0)
-
-/* Register for :01 and :02 MAC DA frame control */
+#define  PAE_BPDU_FR			BIT(25)
+#define  PAE_EG_TAG_MASK		GENMASK(24, 22)
+#define  PAE_EG_TAG(x)			FIELD_PREP(PAE_EG_TAG_MASK, x)
+#define  PAE_PORT_FW_MASK		GENMASK(18, 16)
+#define  PAE_PORT_FW(x)			FIELD_PREP(PAE_PORT_FW_MASK, x)
+#define  BPDU_EG_TAG_MASK		GENMASK(8, 6)
+#define  BPDU_EG_TAG(x)			FIELD_PREP(BPDU_EG_TAG_MASK, x)
+#define  BPDU_PORT_FW_MASK		GENMASK(2, 0)
+
+/* Register for 01-80-C2-00-00-[01,02] MAC DA frame control */
 #define MT753X_RGAC1			0x28
-#define  MT753X_R02_BPDU_FR		BIT(25)
-#define  MT753X_R02_EG_TAG_MASK		GENMASK(24, 22)
-#define  MT753X_R02_EG_TAG(x)		FIELD_PREP(MT753X_R02_EG_TAG_MASK, x)
-#define  MT753X_R02_PORT_FW_MASK	GENMASK(18, 16)
-#define  MT753X_R02_PORT_FW(x)		FIELD_PREP(MT753X_R02_PORT_FW_MASK, x)
-#define  MT753X_R01_BPDU_FR		BIT(9)
-#define  MT753X_R01_EG_TAG_MASK		GENMASK(8, 6)
-#define  MT753X_R01_EG_TAG(x)		FIELD_PREP(MT753X_R01_EG_TAG_MASK, x)
-#define  MT753X_R01_PORT_FW_MASK	GENMASK(2, 0)
-
-/* Register for :03 and :0E MAC DA frame control */
+#define  R02_BPDU_FR			BIT(25)
+#define  R02_EG_TAG_MASK		GENMASK(24, 22)
+#define  R02_EG_TAG(x)			FIELD_PREP(R02_EG_TAG_MASK, x)
+#define  R02_PORT_FW_MASK		GENMASK(18, 16)
+#define  R02_PORT_FW(x)			FIELD_PREP(R02_PORT_FW_MASK, x)
+#define  R01_BPDU_FR			BIT(9)
+#define  R01_EG_TAG_MASK		GENMASK(8, 6)
+#define  R01_EG_TAG(x)			FIELD_PREP(R01_EG_TAG_MASK, x)
+#define  R01_PORT_FW_MASK		GENMASK(2, 0)
+
+/* Register for 01-80-C2-00-00-[03,0E] MAC DA frame control */
 #define MT753X_RGAC2			0x2c
-#define  MT753X_R0E_BPDU_FR		BIT(25)
-#define  MT753X_R0E_EG_TAG_MASK		GENMASK(24, 22)
-#define  MT753X_R0E_EG_TAG(x)		FIELD_PREP(MT753X_R0E_EG_TAG_MASK, x)
-#define  MT753X_R0E_PORT_FW_MASK	GENMASK(18, 16)
-#define  MT753X_R0E_PORT_FW(x)		FIELD_PREP(MT753X_R0E_PORT_FW_MASK, x)
-#define  MT753X_R03_BPDU_FR		BIT(9)
-#define  MT753X_R03_EG_TAG_MASK		GENMASK(8, 6)
-#define  MT753X_R03_EG_TAG(x)		FIELD_PREP(MT753X_R03_EG_TAG_MASK, x)
-#define  MT753X_R03_PORT_FW_MASK	GENMASK(2, 0)
-
-enum mt753x_bpdu_port_fw {
-	MT753X_BPDU_FOLLOW_MFC,
-	MT753X_BPDU_CPU_EXCLUDE = 4,
-	MT753X_BPDU_CPU_INCLUDE = 5,
-	MT753X_BPDU_CPU_ONLY = 6,
-	MT753X_BPDU_DROP = 7,
+#define  R0E_BPDU_FR			BIT(25)
+#define  R0E_EG_TAG_MASK		GENMASK(24, 22)
+#define  R0E_EG_TAG(x)			FIELD_PREP(R0E_EG_TAG_MASK, x)
+#define  R0E_PORT_FW_MASK		GENMASK(18, 16)
+#define  R0E_PORT_FW(x)			FIELD_PREP(R0E_PORT_FW_MASK, x)
+#define  R03_BPDU_FR			BIT(9)
+#define  R03_EG_TAG_MASK		GENMASK(8, 6)
+#define  R03_EG_TAG(x)			FIELD_PREP(R03_EG_TAG_MASK, x)
+#define  R03_PORT_FW_MASK		GENMASK(2, 0)
+
+enum mt753x_to_cpu_fw {
+	TO_CPU_FW_SYSTEM_DEFAULT,
+	TO_CPU_FW_CPU_EXCLUDE = 4,
+	TO_CPU_FW_CPU_INCLUDE = 5,
+	TO_CPU_FW_CPU_ONLY = 6,
+	TO_CPU_FW_DROP = 7,
 };
 
 /* Registers for address table access */
diff --git a/drivers/net/dsa/sja1105/sja1105_static_config.c b/drivers/net/dsa/sja1105/sja1105_static_config.c
index baba204ad62f6b..2ac91fe2a79bc9 100644
--- a/drivers/net/dsa/sja1105/sja1105_static_config.c
+++ b/drivers/net/dsa/sja1105/sja1105_static_config.c
@@ -1921,8 +1921,10 @@ int sja1105_table_delete_entry(struct sja1105_table *table, int i)
 	if (i > table->entry_count)
 		return -ERANGE;
 
-	memmove(entries + i * entry_size, entries + (i + 1) * entry_size,
-		(table->entry_count - i) * entry_size);
+	if (i + 1 < table->entry_count) {
+		memmove(entries + i * entry_size, entries + (i + 1) * entry_size,
+			(table->entry_count - i - 1) * entry_size);
+	}
 
 	table->entry_count--;
 
diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
index 8647125d60aef1..4bb6a58d75a432 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c
@@ -374,7 +374,7 @@ static void aq_pci_shutdown(struct pci_dev *pdev)
 	pci_disable_device(pdev);
 
 	if (system_state == SYSTEM_POWER_OFF) {
-		pci_wake_from_d3(pdev, false);
+		pci_wake_from_d3(pdev, self->aq_hw->aq_nic_cfg->wol);
 		pci_set_power_state(pdev, PCI_D3hot);
 	}
 }
diff --git a/drivers/net/ethernet/atheros/ag71xx.c b/drivers/net/ethernet/atheros/ag71xx.c
index d5be9ca4d4fed3..411f94e95291c3 100644
--- a/drivers/net/ethernet/atheros/ag71xx.c
+++ b/drivers/net/ethernet/atheros/ag71xx.c
@@ -1933,6 +1933,9 @@ static int ag71xx_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	ndev->irq = platform_get_irq(pdev, 0);
+	if (ndev->irq < 0)
+		return ndev->irq;
+
 	err = devm_request_irq(&pdev->dev, ndev->irq, ag71xx_interrupt,
 			       0x0, dev_name(&pdev->dev), ndev);
 	if (err) {
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index 4b8bb99b58eb26..bafb8c56a54973 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -1275,13 +1275,12 @@ void bcmgenet_eee_enable_set(struct net_device *dev, bool enable,
 		reg &= ~(TBUF_EEE_EN | TBUF_PM_EN);
 	bcmgenet_writel(reg, priv->base + off);
 
-	/* Do the same for thing for RBUF */
+	/* RBUF EEE/PM can break the RX path on GENET. Keep it disabled. */
 	reg = bcmgenet_rbuf_readl(priv, RBUF_ENERGY_CTRL);
-	if (enable)
-		reg |= RBUF_EEE_EN | RBUF_PM_EN;
-	else
+	if (reg & (RBUF_EEE_EN | RBUF_PM_EN)) {
 		reg &= ~(RBUF_EEE_EN | RBUF_PM_EN);
-	bcmgenet_rbuf_writel(priv, reg, RBUF_ENERGY_CTRL);
+		bcmgenet_rbuf_writel(priv, reg, RBUF_ENERGY_CTRL);
+	}
 
 	if (!enable && priv->clk_eee_enabled) {
 		clk_disable_unprepare(priv->clk_eee);
@@ -1700,15 +1699,15 @@ static struct enet_cb *bcmgenet_put_txcb(struct bcmgenet_priv *priv,
 {
 	struct enet_cb *tx_cb_ptr;
 
-	tx_cb_ptr = ring->cbs;
-	tx_cb_ptr += ring->write_ptr - ring->cb_ptr;
-
 	/* Rewinding local write pointer */
 	if (ring->write_ptr == ring->cb_ptr)
 		ring->write_ptr = ring->end_ptr;
 	else
 		ring->write_ptr--;
 
+	tx_cb_ptr = ring->cbs;
+	tx_cb_ptr += ring->write_ptr - ring->cb_ptr;
+
 	return tx_cb_ptr;
 }
 
diff --git a/drivers/net/ethernet/cirrus/cs89x0.c b/drivers/net/ethernet/cirrus/cs89x0.c
index d0c4c8b7a15ab0..9795f959c9bde0 100644
--- a/drivers/net/ethernet/cirrus/cs89x0.c
+++ b/drivers/net/ethernet/cirrus/cs89x0.c
@@ -1270,7 +1270,6 @@ static const struct net_device_ops net_ops = {
 
 static void __init reset_chip(struct net_device *dev)
 {
-#if !defined(CONFIG_MACH_MX31ADS)
 	struct net_local *lp = netdev_priv(dev);
 	unsigned long reset_start_time;
 
@@ -1297,7 +1296,6 @@ static void __init reset_chip(struct net_device *dev)
 	while ((readreg(dev, PP_SelfST) & INIT_DONE) == 0 &&
 	       time_before(jiffies, reset_start_time + 2))
 		;
-#endif /* !CONFIG_MACH_MX31ADS */
 }
 
 /* This is the real probe routine.
diff --git a/drivers/net/ethernet/cortina/gemini.c b/drivers/net/ethernet/cortina/gemini.c
index 3a11dccec8c1b7..8cc3cca1f4bd43 100644
--- a/drivers/net/ethernet/cortina/gemini.c
+++ b/drivers/net/ethernet/cortina/gemini.c
@@ -120,6 +120,9 @@ struct gemini_ethernet_port {
 	struct napi_struct	napi;
 	struct hrtimer		rx_coalesce_timer;
 	unsigned int		rx_coalesce_nsecs;
+	struct sk_buff		*rx_skb;
+	unsigned int		rx_frag_nr;
+
 	unsigned int		freeq_refill;
 	struct gmac_txq		txq[TX_QUEUE_NUM];
 	unsigned int		txq_order;
@@ -1411,10 +1414,11 @@ static unsigned int gmac_rx(struct net_device *netdev, unsigned int budget)
 	unsigned short m = (1 << port->rxq_order) - 1;
 	struct gemini_ethernet *geth = port->geth;
 	void __iomem *ptr_reg = port->rxq_rwptr;
+	unsigned int frag_nr = port->rx_frag_nr;
+	struct sk_buff *skb = port->rx_skb;
 	unsigned int frame_len, frag_len;
 	struct gmac_rxdesc *rx = NULL;
 	struct gmac_queue_page *gpage;
-	static struct sk_buff *skb;
 	union gmac_rxdesc_0 word0;
 	union gmac_rxdesc_1 word1;
 	union gmac_rxdesc_3 word3;
@@ -1424,7 +1428,6 @@ static unsigned int gmac_rx(struct net_device *netdev, unsigned int budget)
 	unsigned short r, w;
 	union dma_rwptr rw;
 	dma_addr_t mapping;
-	int frag_nr = 0;
 
 	spin_lock_irqsave(&geth->irq_lock, flags);
 	rw.bits32 = readl(ptr_reg);
@@ -1460,6 +1463,12 @@ static unsigned int gmac_rx(struct net_device *netdev, unsigned int budget)
 		gpage = gmac_get_queue_page(geth, port, mapping + PAGE_SIZE);
 		if (!gpage) {
 			dev_err(geth->dev, "could not find mapping\n");
+			if (skb) {
+				napi_free_frags(&port->napi);
+				port->stats.rx_dropped++;
+				skb = NULL;
+				frag_nr = 0;
+			}
 			continue;
 		}
 		page = gpage->page;
@@ -1468,6 +1477,8 @@ static unsigned int gmac_rx(struct net_device *netdev, unsigned int budget)
 			if (skb) {
 				napi_free_frags(&port->napi);
 				port->stats.rx_dropped++;
+				skb = NULL;
+				frag_nr = 0;
 			}
 
 			skb = gmac_skb_if_good_frame(port, word0, frame_len);
@@ -1502,6 +1513,7 @@ static unsigned int gmac_rx(struct net_device *netdev, unsigned int budget)
 		if (word3.bits32 & EOF_BIT) {
 			napi_gro_frags(&port->napi);
 			skb = NULL;
+			frag_nr = 0;
 			--budget;
 		}
 		continue;
@@ -1510,6 +1522,7 @@ err_drop:
 		if (skb) {
 			napi_free_frags(&port->napi);
 			skb = NULL;
+			frag_nr = 0;
 		}
 
 		if (mapping)
@@ -1518,6 +1531,8 @@ err_drop:
 		port->stats.rx_dropped++;
 	}
 
+	port->rx_skb = skb;
+	port->rx_frag_nr = frag_nr;
 	writew(r, ptr_reg);
 	return budget;
 }
@@ -1846,6 +1861,8 @@ static int gmac_stop(struct net_device *netdev)
 	gmac_disable_tx_rx(netdev);
 	gmac_stop_dma(port);
 	napi_disable(&port->napi);
+	port->rx_skb = NULL;
+	port->rx_frag_nr = 0;
 
 	gmac_enable_irq(netdev, 0);
 	gmac_cleanup_rxq(netdev);
diff --git a/drivers/net/ethernet/freescale/Makefile b/drivers/net/ethernet/freescale/Makefile
index de7b3184223309..d0a259e47960f8 100644
--- a/drivers/net/ethernet/freescale/Makefile
+++ b/drivers/net/ethernet/freescale/Makefile
@@ -22,6 +22,5 @@ ucc_geth_driver-objs := ucc_geth.o ucc_geth_ethtool.o
 obj-$(CONFIG_FSL_FMAN) += fman/
 obj-$(CONFIG_FSL_DPAA_ETH) += dpaa/
 
-obj-$(CONFIG_FSL_DPAA2_ETH) += dpaa2/
-
+obj-y += dpaa2/
 obj-y += enetc/
diff --git a/drivers/net/ethernet/freescale/dpaa2/Kconfig b/drivers/net/ethernet/freescale/dpaa2/Kconfig
index d029b69c3f183e..36280e5d99e1f3 100644
--- a/drivers/net/ethernet/freescale/dpaa2/Kconfig
+++ b/drivers/net/ethernet/freescale/dpaa2/Kconfig
@@ -34,6 +34,10 @@ config FSL_DPAA2_SWITCH
 	tristate "Freescale DPAA2 Ethernet Switch"
 	depends on BRIDGE || BRIDGE=n
 	depends on NET_SWITCHDEV
+	depends on FSL_MC_BUS && FSL_MC_DPIO
+	select PHYLINK
+	select PCS_LYNX
+	select FSL_XGMAC_MDIO
 	help
 	  Driver for Freescale DPAA2 Ethernet Switch. This driver manages
 	  switch objects discovered on the Freeescale MC bus.
diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c
index 67ea2cb21e849f..f16449735a99b2 100644
--- a/drivers/net/ethernet/ibm/ibmveth.c
+++ b/drivers/net/ethernet/ibm/ibmveth.c
@@ -1624,6 +1624,27 @@ static int ibmveth_set_mac_addr(struct net_device *dev, void *p)
 	return 0;
 }
 
+static netdev_features_t ibmveth_features_check(struct sk_buff *skb,
+						struct net_device *dev,
+						netdev_features_t features)
+{
+	/* Some physical adapters do not support segmentation offload with
+	 * MSS < 224. Disable GSO for such packets to avoid adapter freeze.
+	 * Note: Single-segment packets (gso_segs == 1) don't need this check
+	 * as they bypass the LSO path and are transmitted without segmentation.
+	 */
+	if (skb_is_gso(skb)) {
+		if (skb_shinfo(skb)->gso_size < IBMVETH_MIN_LSO_MSS) {
+			netdev_warn_once(dev,
+					 "MSS %u too small for LSO, disabling GSO\n",
+					 skb_shinfo(skb)->gso_size);
+			features &= ~NETIF_F_GSO_MASK;
+		}
+	}
+
+	return vlan_features_check(skb, features);
+}
+
 static const struct net_device_ops ibmveth_netdev_ops = {
 	.ndo_open		= ibmveth_open,
 	.ndo_stop		= ibmveth_close,
@@ -1635,6 +1656,7 @@ static const struct net_device_ops ibmveth_netdev_ops = {
 	.ndo_set_features	= ibmveth_set_features,
 	.ndo_validate_addr	= eth_validate_addr,
 	.ndo_set_mac_address    = ibmveth_set_mac_addr,
+	.ndo_features_check	= ibmveth_features_check,
 #ifdef CONFIG_NET_POLL_CONTROLLER
 	.ndo_poll_controller	= ibmveth_poll_controller,
 #endif
diff --git a/drivers/net/ethernet/ibm/ibmveth.h b/drivers/net/ethernet/ibm/ibmveth.h
index 27dfff2001662c..2b364974bf0961 100644
--- a/drivers/net/ethernet/ibm/ibmveth.h
+++ b/drivers/net/ethernet/ibm/ibmveth.h
@@ -36,6 +36,7 @@
 #define IBMVETH_ILLAN_IPV4_TCP_CSUM		0x0000000000000002UL
 #define IBMVETH_ILLAN_ACTIVE_TRUNK		0x0000000000000001UL
 
+#define IBMVETH_MIN_LSO_MSS		224	/* Minimum MSS for LSO */
 /* hcall macros */
 #define h_register_logical_lan(ua, buflst, rxq, fltlst, mac) \
   plpar_hcall_norets(H_REGISTER_LOGICAL_LAN, ua, buflst, rxq, fltlst, mac)
diff --git a/drivers/net/ethernet/intel/e1000/e1000_ethtool.c b/drivers/net/ethernet/intel/e1000/e1000_ethtool.c
index 0a57172dfcbc4e..631165b895b613 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_ethtool.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_ethtool.c
@@ -496,14 +496,19 @@ static int e1000_set_eeprom(struct net_device *netdev,
 		 */
 		ret_val = e1000_read_eeprom(hw, first_word, 1,
 					    &eeprom_buff[0]);
+		if (ret_val)
+			goto out;
+
 		ptr++;
 	}
-	if (((eeprom->offset + eeprom->len) & 1) && (ret_val == 0)) {
+	if ((eeprom->offset + eeprom->len) & 1) {
 		/* need read/modify/write of last changed EEPROM word
 		 * only the first byte of the word is being modified
 		 */
 		ret_val = e1000_read_eeprom(hw, last_word, 1,
 					    &eeprom_buff[last_word - first_word]);
+		if (ret_val)
+			goto out;
 	}
 
 	/* Device's eeprom is always little-endian, word addressable */
@@ -522,6 +527,7 @@ static int e1000_set_eeprom(struct net_device *netdev,
 	if ((ret_val == 0) && (first_word <= EEPROM_CHECKSUM_REG))
 		e1000_update_eeprom_checksum(hw);
 
+out:
 	kfree(eeprom_buff);
 	return ret_val;
 }
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index 3216089642648e..2154d476f9da6f 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -7708,6 +7708,7 @@ static int e1000_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 err_register:
 	if (!(adapter->flags & FLAG_HAS_AMT))
 		e1000e_release_hw_control(adapter);
+	e1000e_ptp_remove(adapter);
 err_eeprom:
 	if (hw->phy.ops.check_reset_block && !hw->phy.ops.check_reset_block(hw))
 		e1000_phy_hw_reset(&adapter->hw);
diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h
index 022bf6e86164a2..484501e59a1097 100644
--- a/drivers/net/ethernet/intel/i40e/i40e.h
+++ b/drivers/net/ethernet/intel/i40e/i40e.h
@@ -1269,6 +1269,7 @@ void i40e_ptp_restore_hw_time(struct i40e_pf *pf);
 void i40e_ptp_init(struct i40e_pf *pf);
 void i40e_ptp_stop(struct i40e_pf *pf);
 int i40e_ptp_alloc_pins(struct i40e_pf *pf);
+void i40e_ptp_free_pins(struct i40e_pf *pf);
 int i40e_update_adq_vsi_queues(struct i40e_vsi *vsi, int vsi_offset);
 int i40e_is_vsi_uplink_mode_veb(struct i40e_vsi *vsi);
 int i40e_get_partition_bw_setting(struct i40e_pf *pf);
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 31a8217f6aa972..3bb1ea604822f8 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -13817,7 +13817,6 @@ static int i40e_config_netdev(struct i40e_vsi *vsi)
 	netdev->neigh_priv_len = sizeof(u32) * 4;
 
 	netdev->priv_flags |= IFF_UNICAST_FLT;
-	netdev->priv_flags |= IFF_SUPP_NOFCS;
 	/* Setup netdev TC information */
 	i40e_vsi_config_netdev_tc(vsi, vsi->tc_config.enabled_tc);
 
@@ -16184,6 +16183,7 @@ err_vsis:
 	i40e_clear_interrupt_scheme(pf);
 	kfree(pf->vsi);
 err_switch_setup:
+	i40e_ptp_free_pins(pf);
 	i40e_reset_interrupt_capability(pf);
 	del_timer_sync(&pf->service_timer);
 err_mac_addr:
diff --git a/drivers/net/ethernet/intel/i40e/i40e_ptp.c b/drivers/net/ethernet/intel/i40e/i40e_ptp.c
index 38942d3f7819b6..640e2e9af85f8e 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_ptp.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_ptp.c
@@ -955,12 +955,13 @@ int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr)
  *
  * Release memory allocated for PTP pins.
  **/
-static void i40e_ptp_free_pins(struct i40e_pf *pf)
+void i40e_ptp_free_pins(struct i40e_pf *pf)
 {
 	if (i40e_is_ptp_pin_dev(&pf->hw)) {
 		kfree(pf->ptp_pins);
 		kfree(pf->ptp_caps.pin_config);
 		pf->ptp_pins = NULL;
+		pf->ptp_caps.pin_config = NULL;
 	}
 }
 
diff --git a/drivers/net/ethernet/intel/ice/ice_dcb_lib.c b/drivers/net/ethernet/intel/ice/ice_dcb_lib.c
index dd4195e964fafb..b415e375d6205e 100644
--- a/drivers/net/ethernet/intel/ice/ice_dcb_lib.c
+++ b/drivers/net/ethernet/intel/ice/ice_dcb_lib.c
@@ -450,14 +450,14 @@ void ice_dcb_rebuild(struct ice_pf *pf)
 	struct ice_dcbx_cfg *err_cfg;
 	enum ice_status ret;
 
+	mutex_lock(&pf->tc_mutex);
+
 	ret = ice_query_port_ets(pf->hw.port_info, &buf, sizeof(buf), NULL);
 	if (ret) {
 		dev_err(dev, "Query Port ETS failed\n");
 		goto dcb_error;
 	}
 
-	mutex_lock(&pf->tc_mutex);
-
 	if (!pf->hw.port_info->qos_cfg.is_sw_lldp)
 		ice_cfg_etsrec_defaults(pf->hw.port_info);
 
diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index db5319a8eb241b..0403391b3680e9 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -479,6 +479,7 @@ static void
 ice_prepare_for_reset(struct ice_pf *pf)
 {
 	struct ice_hw *hw = &pf->hw;
+	struct ice_vsi *vsi = ice_get_main_vsi(pf);
 	unsigned int i;
 
 	/* already prepared for reset */
@@ -495,6 +496,9 @@ ice_prepare_for_reset(struct ice_pf *pf)
 	ice_for_each_vf(pf, i)
 		ice_set_vf_state_qs_dis(&pf->vf[i]);
 
+	if (vsi && vsi->netdev)
+		netif_device_detach(vsi->netdev);
+
 	/* clear SW filtering DB */
 	ice_clear_hw_tbls(hw);
 	/* disable the VSIs and their queues that are not already DOWN */
@@ -6417,6 +6421,7 @@ static void ice_update_pf_netdev_link(struct ice_pf *pf)
  */
 static void ice_rebuild(struct ice_pf *pf, enum ice_reset_req reset_type)
 {
+	struct ice_vsi *vsi = ice_get_main_vsi(pf);
 	struct device *dev = ice_pf_to_dev(pf);
 	struct ice_hw *hw = &pf->hw;
 	enum ice_status ret;
@@ -6538,6 +6543,9 @@ static void ice_rebuild(struct ice_pf *pf, enum ice_reset_req reset_type)
 		ice_rebuild_arfs(pf);
 	}
 
+	if (vsi && vsi->netdev)
+		netif_device_attach(vsi->netdev);
+
 	ice_update_pf_netdev_link(pf);
 
 	/* tell the firmware we are up */
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index 3a05e458ded2fe..f0c864195c9718 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
@@ -1220,6 +1220,7 @@ static int ixgbevf_clean_rx_irq(struct ixgbevf_q_vector *q_vector,
 		    ether_addr_equal(rx_ring->netdev->dev_addr,
 				     eth_hdr(skb)->h_source)) {
 			dev_kfree_skb_irq(skb);
+			skb = NULL;
 			continue;
 		}
 
diff --git a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c
index c3e5ebc416676d..3c46cb0bd0de0f 100644
--- a/drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c
+++ b/drivers/net/ethernet/marvell/octeontx2/nic/otx2_flows.c
@@ -119,6 +119,8 @@ int otx2_alloc_mcam_entries(struct otx2_nic *pfvf, u16 count)
 
 		rsp = (struct npc_mcam_alloc_entry_rsp *)otx2_mbox_get_rsp
 			(&pfvf->mbox.mbox, 0, &req->hdr);
+		if (IS_ERR(rsp))
+			goto exit;
 
 		for (ent = 0; ent < rsp->count; ent++)
 			flow_cfg->flow_ent[ent + allocated] = rsp->entry_list[ent];
@@ -195,6 +197,10 @@ static int otx2_mcam_entry_init(struct otx2_nic *pfvf)
 
 	rsp = (struct npc_mcam_alloc_entry_rsp *)otx2_mbox_get_rsp
 	       (&pfvf->mbox.mbox, 0, &req->hdr);
+	if (IS_ERR(rsp)) {
+		mutex_unlock(&pfvf->mbox.lock);
+		return PTR_ERR(rsp);
+	}
 
 	if (rsp->count != req->count) {
 		netdev_info(pfvf->netdev,
diff --git a/drivers/net/ethernet/microsoft/mana/hw_channel.c b/drivers/net/ethernet/microsoft/mana/hw_channel.c
index efd7ae1bab43ca..f2542bb9254fcb 100644
--- a/drivers/net/ethernet/microsoft/mana/hw_channel.c
+++ b/drivers/net/ethernet/microsoft/mana/hw_channel.c
@@ -75,21 +75,19 @@ static int mana_hwc_post_rx_wqe(const struct hwc_wq *hwc_rxq,
 }
 
 static void mana_hwc_handle_resp(struct hw_channel_context *hwc, u32 resp_len,
-				 struct hwc_work_request *rx_req)
+				 struct hwc_work_request *rx_req, u16 msg_id)
 {
 	const struct gdma_resp_hdr *resp_msg = rx_req->buf_va;
 	struct hwc_caller_ctx *ctx;
 	int err;
 
-	if (!test_bit(resp_msg->response.hwc_msg_id,
-		      hwc->inflight_msg_res.map)) {
-		dev_err(hwc->dev, "hwc_rx: invalid msg_id = %u\n",
-			resp_msg->response.hwc_msg_id);
+	if (!test_bit(msg_id, hwc->inflight_msg_res.map)) {
+		dev_err(hwc->dev, "hwc_rx: invalid msg_id = %u\n", msg_id);
 		mana_hwc_post_rx_wqe(hwc->rxq, rx_req);
 		return;
 	}
 
-	ctx = hwc->caller_ctx + resp_msg->response.hwc_msg_id;
+	ctx = hwc->caller_ctx + msg_id;
 	err = mana_hwc_verify_resp_msg(ctx, resp_msg, resp_len);
 	if (err)
 		goto out;
@@ -192,6 +190,7 @@ static void mana_hwc_rx_event_handler(void *ctx, u32 gdma_rxq_id,
 	struct gdma_sge *sge;
 	u64 rq_base_addr;
 	u64 rx_req_idx;
+	u16 msg_id;
 	u8 *wqe;
 
 	if (WARN_ON_ONCE(hwc_rxq->gdma_wq->id != gdma_rxq_id))
@@ -207,16 +206,26 @@ static void mana_hwc_rx_event_handler(void *ctx, u32 gdma_rxq_id,
 	rq_base_addr = hwc_rxq->msg_buf->mem_info.dma_handle;
 	rx_req_idx = (sge->address - rq_base_addr) / hwc->max_req_msg_size;
 
+	if (rx_req_idx >= hwc_rxq->msg_buf->num_reqs) {
+		dev_err(hwc->dev, "HWC RX: wrong rx_req_idx=%llu, num_reqs=%u\n",
+			rx_req_idx, hwc_rxq->msg_buf->num_reqs);
+		return;
+	}
+
 	rx_req = &hwc_rxq->msg_buf->reqs[rx_req_idx];
 	resp = (struct gdma_resp_hdr *)rx_req->buf_va;
 
-	if (resp->response.hwc_msg_id >= hwc->num_inflight_msg) {
-		dev_err(hwc->dev, "HWC RX: wrong msg_id=%u\n",
-			resp->response.hwc_msg_id);
+	/* Read msg_id once from DMA buffer to prevent TOCTOU:
+	 * DMA memory is shared/unencrypted in CVMs - host can
+	 * modify it between reads.
+	 */
+	msg_id = READ_ONCE(resp->response.hwc_msg_id);
+	if (msg_id >= hwc->num_inflight_msg) {
+		dev_err(hwc->dev, "HWC RX: wrong msg_id=%u\n", msg_id);
 		return;
 	}
 
-	mana_hwc_handle_resp(hwc, rx_oob->tx_oob_data_size, rx_req);
+	mana_hwc_handle_resp(hwc, rx_oob->tx_oob_data_size, rx_req, msg_id);
 
 	/* Can no longer use 'resp', because the buffer is posted to the HW
 	 * in mana_hwc_handle_resp() above.
diff --git a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_target.c b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_target.c
index 79470f198a62a6..9cf19446657c6c 100644
--- a/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_target.c
+++ b/drivers/net/ethernet/netronome/nfp/nfpcore/nfp_target.c
@@ -435,12 +435,17 @@ static int nfp_encode_basic_qdr(u64 addr, int dest_island, int cpp_tgt,
 
 	/* Full Island ID and channel bits overlap? */
 	ret = nfp_decode_basic(addr, &v, cpp_tgt, mode, addr40, isld1, isld0);
-	if (ret)
+	if (ret) {
+		pr_warn("%s: decode dest_island failed: %d\n", __func__, ret);
 		return ret;
+	}
 
 	/* The current address won't go where expected? */
-	if (dest_island != -1 && dest_island != v)
+	if (dest_island != -1 && dest_island != v) {
+		pr_warn("%s: dest_island mismatch: current (%d) != decoded (%d)\n",
+			__func__, dest_island, v);
 		return -EINVAL;
+	}
 
 	/* If dest_island was -1, we don't care where it goes. */
 	return 0;
@@ -493,7 +498,7 @@ static int nfp_encode_basic(u64 *addr, int dest_island, int cpp_tgt,
 			 * the address but we can verify if the existing
 			 * contents will point to a valid island.
 			 */
-			return nfp_encode_basic_qdr(*addr, cpp_tgt, dest_island,
+			return nfp_encode_basic_qdr(*addr, dest_island, cpp_tgt,
 						    mode, addr40, isld1, isld0);
 
 		iid_lsb = addr40 ? 34 : 26;
@@ -504,7 +509,7 @@ static int nfp_encode_basic(u64 *addr, int dest_island, int cpp_tgt,
 		return 0;
 	case 1:
 		if (cpp_tgt == NFP_CPP_TARGET_QDR && !addr40)
-			return nfp_encode_basic_qdr(*addr, cpp_tgt, dest_island,
+			return nfp_encode_basic_qdr(*addr, dest_island, cpp_tgt,
 						    mode, addr40, isld1, isld0);
 
 		idx_lsb = addr40 ? 39 : 31;
@@ -530,7 +535,7 @@ static int nfp_encode_basic(u64 *addr, int dest_island, int cpp_tgt,
 			 * be set before hand and with them select an island.
 			 * So we need to confirm that it's at least plausible.
 			 */
-			return nfp_encode_basic_qdr(*addr, cpp_tgt, dest_island,
+			return nfp_encode_basic_qdr(*addr, dest_island, cpp_tgt,
 						    mode, addr40, isld1, isld0);
 
 		/* Make sure we compare against isldN values
@@ -551,7 +556,7 @@ static int nfp_encode_basic(u64 *addr, int dest_island, int cpp_tgt,
 			 * iid<1> = addr<30> = channel<0>
 			 * channel<1> = addr<31> = Index
 			 */
-			return nfp_encode_basic_qdr(*addr, cpp_tgt, dest_island,
+			return nfp_encode_basic_qdr(*addr, dest_island, cpp_tgt,
 						    mode, addr40, isld1, isld0);
 
 		isld[0] &= ~3;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 70e941650b4259..c9dda6cc2fa7a8 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -4034,9 +4034,9 @@ static netdev_tx_t stmmac_tso_xmit(struct sk_buff *skb, struct net_device *dev)
 	int tmp_pay_len = 0, first_tx;
 	struct stmmac_tx_queue *tx_q;
 	bool has_vlan, set_ic;
+	dma_addr_t tso_des, des;
 	u8 proto_hdr_len, hdr;
 	u32 pay_len, mss;
-	dma_addr_t des;
 	int i;
 
 	tx_q = &priv->tx_queue[queue];
@@ -4120,14 +4120,15 @@ static netdev_tx_t stmmac_tso_xmit(struct sk_buff *skb, struct net_device *dev)
 
 		/* If needed take extra descriptors to fill the remaining payload */
 		tmp_pay_len = pay_len - TSO_MAX_BUFF_SIZE;
+		tso_des = des;
 	} else {
 		stmmac_set_desc_addr(priv, first, des);
 		tmp_pay_len = pay_len;
-		des += proto_hdr_len;
+		tso_des = des + proto_hdr_len;
 		pay_len = 0;
 	}
 
-	stmmac_tso_allocator(priv, des, tmp_pay_len, (nfrags == 0), queue);
+	stmmac_tso_allocator(priv, tso_des, tmp_pay_len, (nfrags == 0), queue);
 
 	/* In case two or more DMA transmit descriptors are allocated for this
 	 * non-paged SKB data, the DMA buffer address should be saved to
diff --git a/drivers/net/ethernet/xscale/ixp4xx_eth.c b/drivers/net/ethernet/xscale/ixp4xx_eth.c
index ad6384a1e6b21e..931494cc1c39e1 100644
--- a/drivers/net/ethernet/xscale/ixp4xx_eth.c
+++ b/drivers/net/ethernet/xscale/ixp4xx_eth.c
@@ -371,32 +371,31 @@ static void ixp_tx_timestamp(struct port *port, struct sk_buff *skb)
 	__raw_writel(TX_SNAPSHOT_LOCKED, &regs->channel[ch].ch_event);
 }
 
-static int ixp4xx_hwtstamp_set(struct net_device *netdev,
-			       struct kernel_hwtstamp_config *cfg,
-			       struct netlink_ext_ack *extack)
+static int hwtstamp_set(struct net_device *netdev, struct ifreq *ifr)
 {
+	struct hwtstamp_config cfg;
 	struct ixp46x_ts_regs *regs;
 	struct port *port = netdev_priv(netdev);
 	int ret;
 	int ch;
 
-	if (!netif_running(netdev))
-		return -EINVAL;
+	if (copy_from_user(&cfg, ifr->ifr_data, sizeof(cfg)))
+		return -EFAULT;
 
 	if (cfg.flags) /* reserved for future extensions */
 		return -EINVAL;
 
 	ret = ixp46x_ptp_find(&port->timesync_regs, &port->phc_index);
 	if (ret)
-		return -EOPNOTSUPP;
+		return ret;
 
 	ch = PORT2CHANNEL(port);
 	regs = port->timesync_regs;
 
-	if (cfg->tx_type != HWTSTAMP_TX_OFF && cfg->tx_type != HWTSTAMP_TX_ON)
+	if (cfg.tx_type != HWTSTAMP_TX_OFF && cfg.tx_type != HWTSTAMP_TX_ON)
 		return -ERANGE;
 
-	switch (cfg->rx_filter) {
+	switch (cfg.rx_filter) {
 	case HWTSTAMP_FILTER_NONE:
 		port->hwts_rx_en = 0;
 		break;
@@ -412,45 +411,39 @@ static int ixp4xx_hwtstamp_set(struct net_device *netdev,
 		return -ERANGE;
 	}
 
-	port->hwts_tx_en = cfg->tx_type == HWTSTAMP_TX_ON;
+	port->hwts_tx_en = cfg.tx_type == HWTSTAMP_TX_ON;
 
 	/* Clear out any old time stamps. */
 	__raw_writel(TX_SNAPSHOT_LOCKED | RX_SNAPSHOT_LOCKED,
 		     &regs->channel[ch].ch_event);
 
-	return 0;
+	return copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg)) ? -EFAULT : 0;
 }
 
-static int ixp4xx_hwtstamp_get(struct net_device *netdev,
-			       struct kernel_hwtstamp_config *cfg)
+static int hwtstamp_get(struct net_device *netdev, struct ifreq *ifr)
 {
+	struct hwtstamp_config cfg;
 	struct port *port = netdev_priv(netdev);
 
-	if (!cpu_is_ixp46x())
-		return -EOPNOTSUPP;
-
-	if (!netif_running(netdev))
-		return -EINVAL;
-
-	cfg->flags = 0;
-	cfg->tx_type = port->hwts_tx_en ? HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF;
+	cfg.flags = 0;
+	cfg.tx_type = port->hwts_tx_en ? HWTSTAMP_TX_ON : HWTSTAMP_TX_OFF;
 
 	switch (port->hwts_rx_en) {
 	case 0:
-		cfg->rx_filter = HWTSTAMP_FILTER_NONE;
+		cfg.rx_filter = HWTSTAMP_FILTER_NONE;
 		break;
 	case PTP_SLAVE_MODE:
-		cfg->rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_SYNC;
+		cfg.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_SYNC;
 		break;
 	case PTP_MASTER_MODE:
-		cfg->rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ;
+		cfg.rx_filter = HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ;
 		break;
 	default:
 		WARN_ON_ONCE(1);
 		return -ERANGE;
 	}
 
-	return 0;
+	return copy_to_user(ifr->ifr_data, &cfg, sizeof(cfg)) ? -EFAULT : 0;
 }
 
 static int ixp4xx_mdio_cmd(struct mii_bus *bus, int phy_id, int location,
@@ -972,6 +965,21 @@ static void eth_set_mcast_list(struct net_device *dev)
 }
 
 
+static int eth_ioctl(struct net_device *dev, struct ifreq *req, int cmd)
+{
+	if (!netif_running(dev))
+		return -EINVAL;
+
+	if (cpu_is_ixp46x()) {
+		if (cmd == SIOCSHWTSTAMP)
+			return hwtstamp_set(dev, req);
+		if (cmd == SIOCGHWTSTAMP)
+			return hwtstamp_get(dev, req);
+	}
+
+	return phy_mii_ioctl(dev->phydev, req, cmd);
+}
+
 /* ethtool support */
 
 static void ixp4xx_get_drvinfo(struct net_device *dev,
@@ -1357,11 +1365,9 @@ static const struct net_device_ops ixp4xx_netdev_ops = {
 	.ndo_stop = eth_close,
 	.ndo_start_xmit = eth_xmit,
 	.ndo_set_rx_mode = eth_set_mcast_list,
-	.ndo_eth_ioctl = phy_do_ioctl_running,
+	.ndo_eth_ioctl = eth_ioctl,
 	.ndo_set_mac_address = eth_mac_addr,
 	.ndo_validate_addr = eth_validate_addr,
-	.ndo_hwtstamp_get = ixp4xx_hwtstamp_get,
-	.ndo_hwtstamp_set = ixp4xx_hwtstamp_set,
 };
 
 #ifdef CONFIG_OF
diff --git a/drivers/net/ethernet/xscale/ptp_ixp46x.c b/drivers/net/ethernet/xscale/ptp_ixp46x.c
index 422946c1e65b7f..20f6aa508003b3 100644
--- a/drivers/net/ethernet/xscale/ptp_ixp46x.c
+++ b/drivers/net/ethernet/xscale/ptp_ixp46x.c
@@ -244,9 +244,6 @@ static struct ixp_clock ixp_clock;
 
 int ixp46x_ptp_find(struct ixp46x_ts_regs *__iomem *regs, int *phc_index)
 {
-	if (!cpu_is_ixp46x())
-		return -ENODEV;
-
 	*regs = ixp_clock.regs;
 	*phc_index = ptp_clock_index(ixp_clock.ptp_clock);
 
diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c
index 36a9fbb704029f..b0935a895f3331 100644
--- a/drivers/net/hamradio/6pack.c
+++ b/drivers/net/hamradio/6pack.c
@@ -94,8 +94,8 @@ struct sixpack {
 	unsigned char		*xhead;         /* next byte to XMIT */
 	int			xleft;          /* bytes left in XMIT queue  */
 
-	unsigned char		raw_buf[4];
-	unsigned char		cooked_buf[400];
+	u8			raw_buf[4];
+	u8			cooked_buf[400];
 
 	unsigned int		rx_count;
 	unsigned int		rx_count_cooked;
@@ -112,8 +112,8 @@ struct sixpack {
 	unsigned char		slottime;
 	unsigned char		duplex;
 	unsigned char		led_state;
-	unsigned char		status;
-	unsigned char		status1;
+	u8			status;
+	u8			status1;
 	unsigned char		status2;
 	unsigned char		tx_enable;
 	unsigned char		tnc_state;
@@ -127,7 +127,7 @@ struct sixpack {
 
 #define AX25_6PACK_HEADER_LEN 0
 
-static void sixpack_decode(struct sixpack *, const unsigned char[], int);
+static void sixpack_decode(struct sixpack *, const u8 *, size_t);
 static int encode_sixpack(unsigned char *, unsigned char *, int, unsigned char);
 
 /*
@@ -332,7 +332,7 @@ static void sp_bump(struct sixpack *sp, char cmd)
 {
 	struct sk_buff *skb;
 	int count;
-	unsigned char *ptr;
+	u8 *ptr;
 
 	count = sp->rcount + 1;
 
@@ -430,7 +430,6 @@ static void sixpack_receive_buf(struct tty_struct *tty,
 	const unsigned char *cp, const char *fp, int count)
 {
 	struct sixpack *sp;
-	int count1;
 
 	if (!count)
 		return;
@@ -440,16 +439,16 @@ static void sixpack_receive_buf(struct tty_struct *tty,
 		return;
 
 	/* Read the characters out of the buffer */
-	count1 = count;
-	while (count) {
-		count--;
+	while (count--) {
 		if (fp && *fp++) {
 			if (!test_and_set_bit(SIXPF_ERROR, &sp->flags))
 				sp->dev->stats.rx_errors++;
+			cp++;
 			continue;
 		}
+		sixpack_decode(sp, cp, 1);
+		cp++;
 	}
-	sixpack_decode(sp, cp, count1);
 
 	sp_put(sp);
 	tty_unthrottle(tty);
@@ -818,9 +817,9 @@ static int encode_sixpack(unsigned char *tx_buf, unsigned char *tx_buf_raw,
 
 /* decode 4 sixpack-encoded bytes into 3 data bytes */
 
-static void decode_data(struct sixpack *sp, unsigned char inbyte)
+static void decode_data(struct sixpack *sp, u8 inbyte)
 {
-	unsigned char *buf;
+	u8 *buf;
 
 	if (sp->rx_count != 3) {
 		sp->raw_buf[sp->rx_count++] = inbyte;
@@ -846,9 +845,9 @@ static void decode_data(struct sixpack *sp, unsigned char inbyte)
 
 /* identify and execute a 6pack priority command byte */
 
-static void decode_prio_command(struct sixpack *sp, unsigned char cmd)
+static void decode_prio_command(struct sixpack *sp, u8 cmd)
 {
-	int actual;
+	ssize_t actual;
 
 	if ((cmd & SIXP_PRIO_DATA_MASK) != 0) {     /* idle ? */
 
@@ -896,9 +895,9 @@ static void decode_prio_command(struct sixpack *sp, unsigned char cmd)
 
 /* identify and execute a standard 6pack command byte */
 
-static void decode_std_command(struct sixpack *sp, unsigned char cmd)
+static void decode_std_command(struct sixpack *sp, u8 cmd)
 {
-	unsigned char checksum = 0, rest = 0;
+	u8 checksum = 0, rest = 0;
 	short i;
 
 	switch (cmd & SIXP_CMD_MASK) {     /* normal command */
@@ -944,10 +943,10 @@ static void decode_std_command(struct sixpack *sp, unsigned char cmd)
 /* decode a 6pack packet */
 
 static void
-sixpack_decode(struct sixpack *sp, const unsigned char *pre_rbuff, int count)
+sixpack_decode(struct sixpack *sp, const u8 *pre_rbuff, size_t count)
 {
-	unsigned char inbyte;
-	int count1;
+	size_t count1;
+	u8 inbyte;
 
 	for (count1 = 0; count1 < count; count1++) {
 		inbyte = pre_rbuff[count1];
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index f2fb958c1f2326..86a531ffe9fc00 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -344,6 +344,7 @@ static void macvlan_broadcast_enqueue(struct macvlan_port *port,
 				      const struct macvlan_dev *src,
 				      struct sk_buff *skb)
 {
+	u32 bc_queue_len_used = READ_ONCE(port->bc_queue_len_used);
 	struct sk_buff *nskb;
 	int err = -ENOMEM;
 
@@ -354,7 +355,7 @@ static void macvlan_broadcast_enqueue(struct macvlan_port *port,
 	MACVLAN_SKB_CB(nskb)->src = src;
 
 	spin_lock(&port->bc_queue.lock);
-	if (skb_queue_len(&port->bc_queue) < port->bc_queue_len_used) {
+	if (skb_queue_len(&port->bc_queue) < bc_queue_len_used) {
 		if (src)
 			dev_hold(src->dev);
 		__skb_queue_tail(&port->bc_queue, nskb);
@@ -1683,7 +1684,8 @@ static int macvlan_fill_info(struct sk_buff *skb,
 	}
 	if (nla_put_u32(skb, IFLA_MACVLAN_BC_QUEUE_LEN, vlan->bc_queue_len_req))
 		goto nla_put_failure;
-	if (nla_put_u32(skb, IFLA_MACVLAN_BC_QUEUE_LEN_USED, port->bc_queue_len_used))
+	if (nla_put_u32(skb, IFLA_MACVLAN_BC_QUEUE_LEN_USED,
+			READ_ONCE(port->bc_queue_len_used)))
 		goto nla_put_failure;
 	return 0;
 
@@ -1739,7 +1741,7 @@ static void update_port_bc_queue_len(struct macvlan_port *port)
 		if (vlan->bc_queue_len_req > max_bc_queue_len_req)
 			max_bc_queue_len_req = vlan->bc_queue_len_req;
 	}
-	port->bc_queue_len_used = max_bc_queue_len_req;
+	WRITE_ONCE(port->bc_queue_len_used, max_bc_queue_len_req);
 }
 
 static int macvlan_device_event(struct notifier_block *unused,
diff --git a/drivers/net/netdevsim/dev.c b/drivers/net/netdevsim/dev.c
index a7279356299af9..3136ff369acd4d 100644
--- a/drivers/net/netdevsim/dev.c
+++ b/drivers/net/netdevsim/dev.c
@@ -674,7 +674,7 @@ static struct sk_buff *nsim_dev_trap_skb_build(void)
 	skb->protocol = htons(ETH_P_IP);
 
 	skb_set_network_header(skb, skb->len);
-	iph = skb_put(skb, sizeof(struct iphdr));
+	iph = skb_put_zero(skb, sizeof(struct iphdr));
 	iph->protocol = IPPROTO_UDP;
 	iph->saddr = in_aton("192.0.2.1");
 	iph->daddr = in_aton("198.51.100.1");
@@ -1582,6 +1582,7 @@ void nsim_dev_remove(struct nsim_bus_dev *nsim_bus_dev)
 				  ARRAY_SIZE(nsim_devlink_params));
 	devlink_unregister(devlink);
 	devlink_resources_unregister(devlink, NULL);
+	kfree(nsim_dev->fa_cookie);
 	devlink_free(devlink);
 }
 
diff --git a/drivers/net/phy/at803x.c b/drivers/net/phy/at803x.c
index ba61007bfc4999..6397ef527945f2 100644
--- a/drivers/net/phy/at803x.c
+++ b/drivers/net/phy/at803x.c
@@ -818,7 +818,7 @@ static int at803x_config_init(struct phy_device *phydev)
 	 * behaviour but we still need to accommodate it. XNP is only needed
 	 * for 10Gbps support, so disable XNP.
 	 */
-	return phy_modify(phydev, MII_ADVERTISE, MDIO_AN_CTRL1_XNP, 0);
+	return phy_modify(phydev, MII_ADVERTISE, ADVERTISE_XNP, 0);
 }
 
 static int at803x_ack_interrupt(struct phy_device *phydev)
diff --git a/drivers/net/phy/dp83869.c b/drivers/net/phy/dp83869.c
index a76fd5f11aca00..5eb07abf16479f 100644
--- a/drivers/net/phy/dp83869.c
+++ b/drivers/net/phy/dp83869.c
@@ -30,6 +30,7 @@
 #define DP83869_RGMIICTL	0x0032
 #define DP83869_STRAP_STS1	0x006e
 #define DP83869_RGMIIDCTL	0x0086
+#define DP83869_ANA_PLL_PROG_PI	0x00c6
 #define DP83869_RXFCFG		0x0134
 #define DP83869_RXFPMD1		0x0136
 #define DP83869_RXFPMD2		0x0137
@@ -801,12 +802,22 @@ static int dp83869_config_init(struct phy_device *phydev)
 		dp83869_config_port_mirroring(phydev);
 
 	/* Clock output selection if muxing property is set */
-	if (dp83869->clk_output_sel != DP83869_CLK_O_SEL_REF_CLK)
+	if (dp83869->clk_output_sel != DP83869_CLK_O_SEL_REF_CLK) {
+		/*
+		 * Table 7-121 in datasheet says we have to set register 0xc6
+		 * to value 0x10 before CLK_O_SEL can be modified.
+		 */
+		ret = phy_write_mmd(phydev, DP83869_DEVADDR,
+				    DP83869_ANA_PLL_PROG_PI, 0x10);
+		if (ret)
+			return ret;
+
 		ret = phy_modify_mmd(phydev,
 				     DP83869_DEVADDR, DP83869_IO_MUX_CFG,
 				     DP83869_IO_MUX_CFG_CLK_O_SEL_MASK,
 				     dp83869->clk_output_sel <<
 				     DP83869_IO_MUX_CFG_CLK_O_SEL_SHIFT);
+	}
 
 	if (phy_interface_is_rgmii(phydev)) {
 		ret = phy_write_mmd(phydev, DP83869_DEVADDR, DP83869_RGMIIDCTL,
diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index a8a4cd68f68860..1c60581b46d197 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -534,8 +534,8 @@ int __mdiobus_register(struct mii_bus *bus, struct module *owner)
 		return -EINVAL;
 
 	if (bus->parent && bus->parent->of_node)
-		bus->parent->of_node->fwnode.flags |=
-					FWNODE_FLAG_NEEDS_CHILD_BOUND_ON_ADD;
+		fwnode_set_flag(&bus->parent->of_node->fwnode,
+				FWNODE_FLAG_NEEDS_CHILD_BOUND_ON_ADD);
 
 	BUG_ON(bus->state != MDIOBUS_ALLOCATED &&
 	       bus->state != MDIOBUS_UNREGISTERED);
diff --git a/drivers/net/ppp/ppp_generic.c b/drivers/net/ppp/ppp_generic.c
index 91a19ed03bc7d4..2b76a8695fdbe1 100644
--- a/drivers/net/ppp/ppp_generic.c
+++ b/drivers/net/ppp/ppp_generic.c
@@ -1061,6 +1061,9 @@ static int ppp_unattached_ioctl(struct net *net, struct ppp_file *pf,
 	struct ppp_net *pn;
 	int __user *p = (int __user *)arg;
 
+	if (!ns_capable(net->user_ns, CAP_NET_ADMIN))
+		return -EPERM;
+
 	switch (cmd) {
 	case PPPIOCNEWUNIT:
 		/* Create a new ppp unit */
@@ -2241,7 +2244,7 @@ ppp_do_recv(struct ppp *ppp, struct sk_buff *skb, struct channel *pch)
  */
 static void __ppp_decompress_proto(struct sk_buff *skb)
 {
-	if (skb->data[0] & 0x01)
+	if (ppp_skb_is_compressed_proto(skb))
 		*(u8 *)skb_push(skb, 1) = 0x00;
 }
 
diff --git a/drivers/net/ppp/pppoe.c b/drivers/net/ppp/pppoe.c
index e172743948ed77..6ce4265d84f203 100644
--- a/drivers/net/ppp/pppoe.c
+++ b/drivers/net/ppp/pppoe.c
@@ -425,7 +425,7 @@ static int pppoe_rcv(struct sk_buff *skb, struct net_device *dev,
 	if (skb_mac_header_len(skb) < ETH_HLEN)
 		goto drop;
 
-	if (!pskb_may_pull(skb, sizeof(struct pppoe_hdr)))
+	if (!pskb_may_pull(skb, PPPOE_SES_HLEN))
 		goto drop;
 
 	ph = pppoe_hdr(skb);
@@ -435,6 +435,12 @@ static int pppoe_rcv(struct sk_buff *skb, struct net_device *dev,
 	if (skb->len < len)
 		goto drop;
 
+	/* skb->data points to the PPP protocol header after skb_pull_rcsum.
+	 * Drop PFC frames.
+	 */
+	if (ppp_skb_is_compressed_proto(skb))
+		goto drop;
+
 	if (pskb_trim_rcsum(skb, len))
 		goto drop;
 
diff --git a/drivers/net/slip/slhc.c b/drivers/net/slip/slhc.c
index bf9e801cc61cce..ef586ab250747a 100644
--- a/drivers/net/slip/slhc.c
+++ b/drivers/net/slip/slhc.c
@@ -80,9 +80,9 @@
 #include <asm/unaligned.h>
 
 static unsigned char *encode(unsigned char *cp, unsigned short n);
-static long decode(unsigned char **cpp);
+static long decode(unsigned char **cpp, const unsigned char *end);
 static unsigned char * put16(unsigned char *cp, unsigned short x);
-static unsigned short pull16(unsigned char **cpp);
+static long pull16(unsigned char **cpp, const unsigned char *end);
 
 /* Allocate compression data structure
  *	slots must be in range 0 to 255 (zero meaning no compression)
@@ -190,30 +190,34 @@ encode(unsigned char *cp, unsigned short n)
 	return cp;
 }
 
-/* Pull a 16-bit integer in host order from buffer in network byte order */
-static unsigned short
-pull16(unsigned char **cpp)
+/* Pull a 16-bit integer in host order from buffer in network byte order.
+ * Returns -1 if the buffer is exhausted, otherwise the 16-bit value.
+ */
+static long
+pull16(unsigned char **cpp, const unsigned char *end)
 {
-	short rval;
+	long rval;
 
+	if (*cpp + 2 > end)
+		return -1;
 	rval = *(*cpp)++;
 	rval <<= 8;
 	rval |= *(*cpp)++;
 	return rval;
 }
 
-/* Decode a number */
+/* Decode a number. Returns -1 if the buffer is exhausted. */
 static long
-decode(unsigned char **cpp)
+decode(unsigned char **cpp, const unsigned char *end)
 {
 	int x;
 
+	if (*cpp >= end)
+		return -1;
 	x = *(*cpp)++;
-	if(x == 0){
-		return pull16(cpp) & 0xffff;	/* pull16 returns -1 on error */
-	} else {
-		return x & 0xff;		/* -1 if PULLCHAR returned error */
-	}
+	if (x == 0)
+		return pull16(cpp, end);
+	return x & 0xff;
 }
 
 /*
@@ -499,6 +503,7 @@ slhc_uncompress(struct slcompress *comp, unsigned char *icp, int isize)
 	struct cstate *cs;
 	int len, hdrlen;
 	unsigned char *cp = icp;
+	const unsigned char *end = icp + isize;
 
 	/* We've got a compressed packet; read the change byte */
 	comp->sls_i_compressed++;
@@ -506,6 +511,8 @@ slhc_uncompress(struct slcompress *comp, unsigned char *icp, int isize)
 		comp->sls_i_error++;
 		return 0;
 	}
+	if (!comp->rstate)
+		goto bad;
 	changes = *cp++;
 	if(changes & NEW_C){
 		/* Make sure the state index is in range, then grab the state.
@@ -534,6 +541,8 @@ slhc_uncompress(struct slcompress *comp, unsigned char *icp, int isize)
 	thp = &cs->cs_tcp;
 	ip = &cs->cs_ip;
 
+	if (cp + 2 > end)
+		goto bad;
 	thp->check = *(__sum16 *)cp;
 	cp += 2;
 
@@ -564,26 +573,26 @@ slhc_uncompress(struct slcompress *comp, unsigned char *icp, int isize)
 	default:
 		if(changes & NEW_U){
 			thp->urg = 1;
-			if((x = decode(&cp)) == -1) {
+			if((x = decode(&cp, end)) == -1) {
 				goto bad;
 			}
 			thp->urg_ptr = htons(x);
 		} else
 			thp->urg = 0;
 		if(changes & NEW_W){
-			if((x = decode(&cp)) == -1) {
+			if((x = decode(&cp, end)) == -1) {
 				goto bad;
 			}
 			thp->window = htons( ntohs(thp->window) + x);
 		}
 		if(changes & NEW_A){
-			if((x = decode(&cp)) == -1) {
+			if((x = decode(&cp, end)) == -1) {
 				goto bad;
 			}
 			thp->ack_seq = htonl( ntohl(thp->ack_seq) + x);
 		}
 		if(changes & NEW_S){
-			if((x = decode(&cp)) == -1) {
+			if((x = decode(&cp, end)) == -1) {
 				goto bad;
 			}
 			thp->seq = htonl( ntohl(thp->seq) + x);
@@ -591,7 +600,7 @@ slhc_uncompress(struct slcompress *comp, unsigned char *icp, int isize)
 		break;
 	}
 	if(changes & NEW_I){
-		if((x = decode(&cp)) == -1) {
+		if((x = decode(&cp, end)) == -1) {
 			goto bad;
 		}
 		ip->id = htons (ntohs (ip->id) + x);
@@ -649,6 +658,10 @@ slhc_remember(struct slcompress *comp, unsigned char *icp, int isize)
 	struct cstate *cs;
 	unsigned int ihl;
 
+	if (!comp->rstate) {
+		comp->sls_i_error++;
+		return slhc_toss(comp);
+	}
 	/* The packet is shorter than a legal IP header.
 	 * Also make sure isize is positive.
 	 */
diff --git a/drivers/net/tap.c b/drivers/net/tap.c
index 53eadd82f9b8c2..a08adca412b41a 100644
--- a/drivers/net/tap.c
+++ b/drivers/net/tap.c
@@ -703,11 +703,22 @@ static ssize_t tap_get_user(struct tap_queue *q, void *msg_control,
 	skb_reset_mac_header(skb);
 	skb->protocol = eth_hdr(skb)->h_proto;
 
+	rcu_read_lock();
+	tap = rcu_dereference(q->tap);
+	if (!tap) {
+		kfree_skb(skb);
+		rcu_read_unlock();
+		return total_len;
+	}
+	skb->dev = tap->dev;
+
 	if (vnet_hdr_len) {
 		err = virtio_net_hdr_to_skb(skb, &vnet_hdr,
 					    tap_is_little_endian(q));
-		if (err)
+		if (err) {
+			rcu_read_unlock();
 			goto err_kfree;
+		}
 	}
 
 	skb_probe_transport_header(skb);
@@ -717,8 +728,6 @@ static ssize_t tap_get_user(struct tap_queue *q, void *msg_control,
 	    vlan_get_protocol_and_depth(skb, skb->protocol, &depth) != 0)
 		skb_set_network_header(skb, depth);
 
-	rcu_read_lock();
-	tap = rcu_dereference(q->tap);
 	/* copy skb_ubuf_info for callback when skb has no error */
 	if (zerocopy) {
 		skb_zcopy_init(skb, msg_control);
@@ -727,14 +736,8 @@ static ssize_t tap_get_user(struct tap_queue *q, void *msg_control,
 		uarg->callback(NULL, uarg, false);
 	}
 
-	if (tap) {
-		skb->dev = tap->dev;
-		dev_queue_xmit(skb);
-	} else {
-		kfree_skb(skb);
-	}
+	dev_queue_xmit(skb);
 	rcu_read_unlock();
-
 	return total_len;
 
 err_kfree:
diff --git a/drivers/net/usb/cdc-phonet.c b/drivers/net/usb/cdc-phonet.c
index e1da9102a540dd..401c20f72c563d 100644
--- a/drivers/net/usb/cdc-phonet.c
+++ b/drivers/net/usb/cdc-phonet.c
@@ -157,11 +157,16 @@ static void rx_complete(struct urb *req)
 						PAGE_SIZE);
 				page = NULL;
 			}
-		} else {
+		} else if (skb_shinfo(skb)->nr_frags < MAX_SKB_FRAGS) {
 			skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags,
 					page, 0, req->actual_length,
 					PAGE_SIZE);
 			page = NULL;
+		} else {
+			dev_kfree_skb_any(skb);
+			pnd->rx_skb = NULL;
+			skb = NULL;
+			dev->stats.rx_length_errors++;
 		}
 		if (req->actual_length < PAGE_SIZE)
 			pnd->rx_skb = NULL; /* Last fragment */
diff --git a/drivers/net/usb/lan78xx.c b/drivers/net/usb/lan78xx.c
index 045eb6c426e27e..524b95ac428588 100644
--- a/drivers/net/usb/lan78xx.c
+++ b/drivers/net/usb/lan78xx.c
@@ -4111,29 +4111,30 @@ static int lan78xx_probe(struct usb_interface *intf,
 
 	period = ep_intr->desc.bInterval;
 	maxp = usb_maxpacket(dev->udev, dev->pipe_intr, 0);
-	buf = kmalloc(maxp, GFP_KERNEL);
-	if (!buf) {
+
+	dev->urb_intr = usb_alloc_urb(0, GFP_KERNEL);
+	if (!dev->urb_intr) {
 		ret = -ENOMEM;
 		goto out3;
 	}
 
-	dev->urb_intr = usb_alloc_urb(0, GFP_KERNEL);
-	if (!dev->urb_intr) {
+	buf = kmalloc(maxp, GFP_KERNEL);
+	if (!buf) {
 		ret = -ENOMEM;
-		goto out4;
-	} else {
-		usb_fill_int_urb(dev->urb_intr, dev->udev,
-				 dev->pipe_intr, buf, maxp,
-				 intr_complete, dev, period);
-		dev->urb_intr->transfer_flags |= URB_FREE_BUFFER;
+		goto free_urbs;
 	}
 
+	usb_fill_int_urb(dev->urb_intr, dev->udev,
+			 dev->pipe_intr, buf, maxp,
+			 intr_complete, dev, period);
+	dev->urb_intr->transfer_flags |= URB_FREE_BUFFER;
+
 	dev->maxpacket = usb_maxpacket(dev->udev, dev->pipe_out, 1);
 
 	/* Reject broken descriptors. */
 	if (dev->maxpacket == 0) {
 		ret = -ENODEV;
-		goto out5;
+		goto free_urbs;
 	}
 
 	/* driver requires remote-wakeup capability during autosuspend. */
@@ -4141,7 +4142,7 @@ static int lan78xx_probe(struct usb_interface *intf,
 
 	ret = lan78xx_phy_init(dev);
 	if (ret < 0)
-		goto out5;
+		goto free_urbs;
 
 	ret = register_netdev(netdev);
 	if (ret != 0) {
@@ -4163,10 +4164,8 @@ static int lan78xx_probe(struct usb_interface *intf,
 
 out6:
 	phy_disconnect(netdev->phydev);
-out5:
+free_urbs:
 	usb_free_urb(dev->urb_intr);
-out4:
-	kfree(buf);
 out3:
 	lan78xx_unbind(dev, intf);
 out2:
diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 59baa673738b69..2837688535268e 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -3741,7 +3741,7 @@ static void r8156_ups_en(struct r8152 *tp, bool enable)
 		case RTL_VER_15:
 			ocp_data = ocp_read_word(tp, MCU_TYPE_USB, USB_UPHY_XTAL);
 			ocp_data &= ~OOBS_POLLING;
-			ocp_write_byte(tp, MCU_TYPE_USB, USB_UPHY_XTAL, ocp_data);
+			ocp_write_word(tp, MCU_TYPE_USB, USB_UPHY_XTAL, ocp_data);
 			break;
 		default:
 			break;
diff --git a/drivers/net/usb/rtl8150.c b/drivers/net/usb/rtl8150.c
index fa69d59a309a32..4c7216b4c8ac2a 100644
--- a/drivers/net/usb/rtl8150.c
+++ b/drivers/net/usb/rtl8150.c
@@ -685,6 +685,7 @@ static netdev_tx_t rtl8150_start_xmit(struct sk_buff *skb,
 					    struct net_device *netdev)
 {
 	rtl8150_t *dev = netdev_priv(netdev);
+	unsigned int skb_len;
 	int count, res;
 
 	/* pad the frame and ensure terminating USB packet, datasheet 9.2.3 */
@@ -696,6 +697,8 @@ static netdev_tx_t rtl8150_start_xmit(struct sk_buff *skb,
 		return NETDEV_TX_OK;
 	}
 
+	skb_len = skb->len;
+
 	netif_stop_queue(netdev);
 	dev->tx_skb = skb;
 	usb_fill_bulk_urb(dev->tx_urb, dev->udev, usb_sndbulkpipe(dev->udev, 2),
@@ -709,9 +712,16 @@ static netdev_tx_t rtl8150_start_xmit(struct sk_buff *skb,
 			netdev->stats.tx_errors++;
 			netif_start_queue(netdev);
 		}
+		/*
+		 * The URB was not submitted, so write_bulk_callback() will
+		 * never run to free dev->tx_skb.  Drop the skb here and
+		 * clear tx_skb to avoid leaving a stale pointer.
+		 */
+		dev->tx_skb = NULL;
+		dev_kfree_skb_any(skb);
 	} else {
 		netdev->stats.tx_packets++;
-		netdev->stats.tx_bytes += skb->len;
+		netdev->stats.tx_bytes += skb_len;
 		netif_trans_update(netdev);
 	}
 
diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c
index 6c719d6da5b820..c0752e87485296 100644
--- a/drivers/net/vrf.c
+++ b/drivers/net/vrf.c
@@ -1135,6 +1135,7 @@ static int do_vrf_add_slave(struct net_device *dev, struct net_device *port_dev,
 
 err:
 	port_dev->priv_flags &= ~IFF_L3MDEV_SLAVE;
+	synchronize_net();
 	return ret;
 }
 
@@ -1154,10 +1155,16 @@ static int vrf_add_slave(struct net_device *dev, struct net_device *port_dev,
 }
 
 /* inverse of do_vrf_add_slave */
-static int do_vrf_del_slave(struct net_device *dev, struct net_device *port_dev)
+static int do_vrf_del_slave(struct net_device *dev, struct net_device *port_dev,
+			    bool needs_sync)
 {
 	netdev_upper_dev_unlink(port_dev, dev);
 	port_dev->priv_flags &= ~IFF_L3MDEV_SLAVE;
+	/* Make sure that concurrent RCU readers that identified the device
+	 * as a VRF port see a VRF master or no master at all.
+	 */
+	if (needs_sync)
+		synchronize_net();
 
 	cycle_netdev(port_dev, NULL);
 
@@ -1166,7 +1173,7 @@ static int do_vrf_del_slave(struct net_device *dev, struct net_device *port_dev)
 
 static int vrf_del_slave(struct net_device *dev, struct net_device *port_dev)
 {
-	return do_vrf_del_slave(dev, port_dev);
+	return do_vrf_del_slave(dev, port_dev, true);
 }
 
 static void vrf_dev_uninit(struct net_device *dev)
@@ -1731,7 +1738,7 @@ static void vrf_dellink(struct net_device *dev, struct list_head *head)
 	struct list_head *iter;
 
 	netdev_for_each_lower_dev(dev, port_dev, iter)
-		vrf_del_slave(dev, port_dev);
+		do_vrf_del_slave(dev, port_dev, false);
 
 	vrf_map_unregister_dev(dev);
 
@@ -1862,7 +1869,7 @@ static int vrf_device_event(struct notifier_block *unused,
 			goto out;
 
 		vrf_dev = netdev_master_upper_dev_get(dev);
-		vrf_del_slave(vrf_dev, dev);
+		do_vrf_del_slave(vrf_dev, dev, false);
 	}
 out:
 	return NOTIFY_DONE;
diff --git a/drivers/net/wan/lapbether.c b/drivers/net/wan/lapbether.c
index 75613ac26641f3..033d8cdde38a33 100644
--- a/drivers/net/wan/lapbether.c
+++ b/drivers/net/wan/lapbether.c
@@ -444,33 +444,36 @@ static void lapbeth_free_device(struct lapbethdev *lapbeth)
 static int lapbeth_device_event(struct notifier_block *this,
 				unsigned long event, void *ptr)
 {
-	struct lapbethdev *lapbeth;
 	struct net_device *dev = netdev_notifier_info_to_dev(ptr);
+	struct lapbethdev *lapbeth;
 
 	if (dev_net(dev) != &init_net)
 		return NOTIFY_DONE;
 
-	if (!dev_is_ethdev(dev) && !lapbeth_get_x25_dev(dev))
+	lapbeth = lapbeth_get_x25_dev(dev);
+	if (!dev_is_ethdev(dev) && !lapbeth)
 		return NOTIFY_DONE;
 
 	switch (event) {
 	case NETDEV_UP:
 		/* New ethernet device -> new LAPB interface	 */
-		if (!lapbeth_get_x25_dev(dev))
+		if (!lapbeth)
 			lapbeth_new_device(dev);
 		break;
 	case NETDEV_GOING_DOWN:
 		/* ethernet device closes -> close LAPB interface */
-		lapbeth = lapbeth_get_x25_dev(dev);
 		if (lapbeth)
 			dev_close(lapbeth->axdev);
 		break;
 	case NETDEV_UNREGISTER:
 		/* ethernet device disappears -> remove LAPB interface */
-		lapbeth = lapbeth_get_x25_dev(dev);
 		if (lapbeth)
 			lapbeth_free_device(lapbeth);
 		break;
+	case NETDEV_PRE_TYPE_CHANGE:
+		/* Our underlying device type must not change. */
+		if (lapbeth)
+			return NOTIFY_BAD;
 	}
 
 	return NOTIFY_DONE;
diff --git a/drivers/net/wireless/ath/ath11k/hal.c b/drivers/net/wireless/ath/ath11k/hal.c
index eb394ba6f500ff..280829e1616321 100644
--- a/drivers/net/wireless/ath/ath11k/hal.c
+++ b/drivers/net/wireless/ath/ath11k/hal.c
@@ -1315,14 +1315,22 @@ EXPORT_SYMBOL(ath11k_hal_srng_deinit);
 
 void ath11k_hal_srng_clear(struct ath11k_base *ab)
 {
-	/* No need to memset rdp and wrp memory since each individual
-	 * segment would get cleared in ath11k_hal_srng_src_hw_init()
-	 * and ath11k_hal_srng_dst_hw_init().
+	/*
+	 * Preserve the shared pointer buffers, but clear the previous
+	 * firmware instance's hp/tp state before handing them back to FW.
+	 * LMAC rings reuse this shared memory without going through the
+	 * normal SRNG hw-init path that zeros non-LMAC ring pointers.
 	 */
 	memset(ab->hal.srng_list, 0,
 	       sizeof(ab->hal.srng_list));
 	memset(ab->hal.shadow_reg_addr, 0,
 	       sizeof(ab->hal.shadow_reg_addr));
+	if (ab->hal.rdp.vaddr)
+		memset(ab->hal.rdp.vaddr, 0,
+		       sizeof(*ab->hal.rdp.vaddr) * HAL_SRNG_RING_ID_MAX);
+	if (ab->hal.wrp.vaddr)
+		memset(ab->hal.wrp.vaddr, 0,
+		       sizeof(*ab->hal.wrp.vaddr) * HAL_SRNG_NUM_LMAC_RINGS);
 	ab->hal.avail_blk_resource = 0;
 	ab->hal.current_blk_index = 0;
 	ab->hal.num_shadow_reg_configured = 0;
diff --git a/drivers/net/wireless/ath/ath11k/wmi.c b/drivers/net/wireless/ath/ath11k/wmi.c
index 28b4527b993fe6..bacf124eec882e 100644
--- a/drivers/net/wireless/ath/ath11k/wmi.c
+++ b/drivers/net/wireless/ath/ath11k/wmi.c
@@ -7320,6 +7320,7 @@ int ath11k_wmi_wow_host_wakeup_ind(struct ath11k *ar)
 	struct wmi_wow_host_wakeup_ind *cmd;
 	struct sk_buff *skb;
 	size_t len;
+	int ret;
 
 	len = sizeof(*cmd);
 	skb = ath11k_wmi_alloc_skb(ar->wmi->wmi_ab, len);
@@ -7333,14 +7334,20 @@ int ath11k_wmi_wow_host_wakeup_ind(struct ath11k *ar)
 
 	ath11k_dbg(ar->ab, ATH11K_DBG_WMI, "wmi tlv wow host wakeup ind\n");
 
-	return ath11k_wmi_cmd_send(ar->wmi, skb, WMI_WOW_HOSTWAKEUP_FROM_SLEEP_CMDID);
+	ret = ath11k_wmi_cmd_send(ar->wmi, skb, WMI_WOW_HOSTWAKEUP_FROM_SLEEP_CMDID);
+	if (ret) {
+		ath11k_warn(ar->ab, "failed to send WMI_WOW_HOSTWAKEUP_FROM_SLEEP_CMDID\n");
+		dev_kfree_skb(skb);
+	}
+
+	return ret;
 }
 
 int ath11k_wmi_wow_enable(struct ath11k *ar)
 {
 	struct wmi_wow_enable_cmd *cmd;
 	struct sk_buff *skb;
-	int len;
+	int ret, len;
 
 	len = sizeof(*cmd);
 	skb = ath11k_wmi_alloc_skb(ar->wmi->wmi_ab, len);
@@ -7355,5 +7362,11 @@ int ath11k_wmi_wow_enable(struct ath11k *ar)
 	cmd->pause_iface_config = WOW_IFACE_PAUSE_ENABLED;
 	ath11k_dbg(ar->ab, ATH11K_DBG_WMI, "wmi tlv wow enable\n");
 
-	return ath11k_wmi_cmd_send(ar->wmi, skb, WMI_WOW_ENABLE_CMDID);
+	ret = ath11k_wmi_cmd_send(ar->wmi, skb, WMI_WOW_ENABLE_CMDID);
+	if (ret) {
+		ath11k_warn(ar->ab, "failed to send WMI_WOW_ENABLE_CMDID\n");
+		dev_kfree_skb(skb);
+	}
+
+	return ret;
 }
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index cef17f33c69ea6..168b135f3cd9e1 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -1692,7 +1692,8 @@ ath5k_tx_frame_completed(struct ath5k_hw *ah, struct sk_buff *skb,
 	}
 
 	info->status.rates[ts->ts_final_idx].count = ts->ts_final_retry;
-	info->status.rates[ts->ts_final_idx + 1].idx = -1;
+	if (ts->ts_final_idx + 1 < IEEE80211_TX_MAX_RATES)
+		info->status.rates[ts->ts_final_idx + 1].idx = -1;
 
 	if (unlikely(ts->ts_status)) {
 		ah->stats.ack_fail++;
diff --git a/drivers/net/wireless/ath/ath9k/channel.c b/drivers/net/wireless/ath/ath9k/channel.c
index 6cf08752215725..31b7921bf34f32 100644
--- a/drivers/net/wireless/ath/ath9k/channel.c
+++ b/drivers/net/wireless/ath/ath9k/channel.c
@@ -1011,7 +1011,7 @@ static void ath_scan_send_probe(struct ath_softc *sc,
 	skb_set_queue_mapping(skb, IEEE80211_AC_VO);
 
 	if (!ieee80211_tx_prepare_skb(sc->hw, vif, skb, band, NULL))
-		goto error;
+		return;
 
 	txctl.txq = sc->tx.txq_map[IEEE80211_AC_VO];
 	if (ath_tx_start(sc->hw, skb, &txctl))
@@ -1124,10 +1124,8 @@ ath_chanctx_send_vif_ps_frame(struct ath_softc *sc, struct ath_vif *avp,
 
 		skb->priority = 7;
 		skb_set_queue_mapping(skb, IEEE80211_AC_VO);
-		if (!ieee80211_tx_prepare_skb(sc->hw, vif, skb, band, &sta)) {
-			dev_kfree_skb_any(skb);
+		if (!ieee80211_tx_prepare_skb(sc->hw, vif, skb, band, &sta))
 			return false;
-		}
 		break;
 	default:
 		return false;
diff --git a/drivers/net/wireless/broadcom/b43/xmit.c b/drivers/net/wireless/broadcom/b43/xmit.c
index 7651b1bdb59266..f0b082596637ff 100644
--- a/drivers/net/wireless/broadcom/b43/xmit.c
+++ b/drivers/net/wireless/broadcom/b43/xmit.c
@@ -702,7 +702,8 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
 		 * key index, but the ucode passed it slightly different.
 		 */
 		keyidx = b43_kidx_to_raw(dev, keyidx);
-		B43_WARN_ON(keyidx >= ARRAY_SIZE(dev->key));
+		if (B43_WARN_ON(keyidx >= ARRAY_SIZE(dev->key)))
+			goto drop;
 
 		if (dev->key[keyidx].algorithm != B43_SEC_ALGO_NONE) {
 			wlhdr_len = ieee80211_hdrlen(fctl);
diff --git a/drivers/net/wireless/broadcom/b43legacy/xmit.c b/drivers/net/wireless/broadcom/b43legacy/xmit.c
index efd63f4ce74f2b..ee199d4eaf039a 100644
--- a/drivers/net/wireless/broadcom/b43legacy/xmit.c
+++ b/drivers/net/wireless/broadcom/b43legacy/xmit.c
@@ -476,7 +476,8 @@ void b43legacy_rx(struct b43legacy_wldev *dev,
 		 * key index, but the ucode passed it slightly different.
 		 */
 		keyidx = b43legacy_kidx_to_raw(dev, keyidx);
-		B43legacy_WARN_ON(keyidx >= dev->max_nr_keys);
+		if (B43legacy_WARN_ON(keyidx >= dev->max_nr_keys))
+			goto drop;
 
 		if (dev->key[keyidx].algorithm != B43legacy_SEC_ALGO_NONE) {
 			/* Remove PROTECTED flag to mark it as decrypted. */
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
index 1ee49f9e325dbf..d4a39923237964 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c
@@ -986,18 +986,33 @@ static int brcmf_chip_recognition(struct brcmf_chip_priv *ci)
 
 		core = brcmf_chip_add_core(ci, BCMA_CORE_CHIPCOMMON,
 					   SI_ENUM_BASE_DEFAULT, 0);
+		if (IS_ERR(core))
+			return PTR_ERR(core);
+
 		brcmf_chip_sb_corerev(ci, core);
 		core = brcmf_chip_add_core(ci, BCMA_CORE_SDIO_DEV,
 					   BCM4329_CORE_BUS_BASE, 0);
+		if (IS_ERR(core))
+			return PTR_ERR(core);
+
 		brcmf_chip_sb_corerev(ci, core);
 		core = brcmf_chip_add_core(ci, BCMA_CORE_INTERNAL_MEM,
 					   BCM4329_CORE_SOCRAM_BASE, 0);
+		if (IS_ERR(core))
+			return PTR_ERR(core);
+
 		brcmf_chip_sb_corerev(ci, core);
 		core = brcmf_chip_add_core(ci, BCMA_CORE_ARM_CM3,
 					   BCM4329_CORE_ARM_BASE, 0);
+		if (IS_ERR(core))
+			return PTR_ERR(core);
+
 		brcmf_chip_sb_corerev(ci, core);
 
 		core = brcmf_chip_add_core(ci, BCMA_CORE_80211, 0x18001000, 0);
+		if (IS_ERR(core))
+			return PTR_ERR(core);
+
 		brcmf_chip_sb_corerev(ci, core);
 	} else if (socitype == SOCI_AI) {
 		ci->iscoreup = brcmf_chip_ai_iscoreup;
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c
index dac7eb77799bd1..e6be192dc0af21 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.c
@@ -151,6 +151,11 @@ static void brcmf_fweh_handle_if_event(struct brcmf_pub *drvr,
 		bphy_err(drvr, "invalid interface index: %u\n", ifevent->ifidx);
 		return;
 	}
+	if (ifevent->bsscfgidx >= BRCMF_MAX_IFS) {
+		bphy_err(drvr, "invalid bsscfg index: %u\n",
+			 ifevent->bsscfgidx);
+		return;
+	}
 
 	ifp = drvr->iflist[ifevent->bsscfgidx];
 
diff --git a/drivers/net/wireless/intel/iwlwifi/queue/tx.c b/drivers/net/wireless/intel/iwlwifi/queue/tx.c
index cd852b95d81258..d8322a40409b4b 100644
--- a/drivers/net/wireless/intel/iwlwifi/queue/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/queue/tx.c
@@ -1524,7 +1524,7 @@ void iwl_txq_reclaim(struct iwl_trans *trans, int txq_id, int ssn,
 {
 	struct iwl_txq *txq = trans->txqs.txq[txq_id];
 	int tfd_num = iwl_txq_get_cmd_index(txq, ssn);
-	int read_ptr = iwl_txq_get_cmd_index(txq, txq->read_ptr);
+	int read_ptr;
 	int last_to_free;
 
 	/* This function is not meant to release cmd queue*/
@@ -1532,6 +1532,7 @@ void iwl_txq_reclaim(struct iwl_trans *trans, int txq_id, int ssn,
 		return;
 
 	spin_lock_bh(&txq->lock);
+	read_ptr = iwl_txq_get_cmd_index(txq, txq->read_ptr);
 
 	if (!test_bit(txq_id, trans->txqs.queue_used)) {
 		IWL_DEBUG_TX_QUEUES(trans, "Q %d inactive - ignoring idx %d\n",
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 7d73502586839b..ed4d83775fe705 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -2347,7 +2347,6 @@ static void hw_scan_work(struct work_struct *work)
 						      hwsim->tmp_chan->band,
 						      NULL)) {
 				rcu_read_unlock();
-				kfree_skb(probe);
 				continue;
 			}
 
diff --git a/drivers/net/wireless/marvell/mwifiex/11n_aggr.c b/drivers/net/wireless/marvell/mwifiex/11n_aggr.c
index 46f41dbcf30ddc..54662bc5bc1526 100644
--- a/drivers/net/wireless/marvell/mwifiex/11n_aggr.c
+++ b/drivers/net/wireless/marvell/mwifiex/11n_aggr.c
@@ -215,6 +215,7 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv,
 
 		if (!mwifiex_is_ralist_valid(priv, pra_list, ptrindex)) {
 			spin_unlock_bh(&priv->wmm.ra_list_spinlock);
+			mwifiex_write_data_complete(adapter, skb_aggr, 1, -1);
 			return -1;
 		}
 
diff --git a/drivers/net/wireless/realtek/rtlwifi/pci.c b/drivers/net/wireless/realtek/rtlwifi/pci.c
index 02821588673e53..3058c8356c292e 100644
--- a/drivers/net/wireless/realtek/rtlwifi/pci.c
+++ b/drivers/net/wireless/realtek/rtlwifi/pci.c
@@ -1675,6 +1675,7 @@ static void rtl_pci_deinit(struct ieee80211_hw *hw)
 
 	synchronize_irq(rtlpci->pdev->irq);
 	tasklet_kill(&rtlpriv->works.irq_tasklet);
+	tasklet_kill(&rtlpriv->works.irq_prepare_bcn_tasklet);
 	cancel_work_sync(&rtlpriv->works.lps_change_work);
 }
 
diff --git a/drivers/net/wireless/rsi/rsi_common.h b/drivers/net/wireless/rsi/rsi_common.h
index 7aa5124575cfef..c40f8101febcb8 100644
--- a/drivers/net/wireless/rsi/rsi_common.h
+++ b/drivers/net/wireless/rsi/rsi_common.h
@@ -70,12 +70,11 @@ static inline int rsi_create_kthread(struct rsi_common *common,
 	return 0;
 }
 
-static inline int rsi_kill_thread(struct rsi_thread *handle)
+static inline void rsi_kill_thread(struct rsi_thread *handle)
 {
 	atomic_inc(&handle->thread_done);
 	rsi_set_event(&handle->event);
-
-	return kthread_stop(handle->task);
+	wait_for_completion(&handle->completion);
 }
 
 void rsi_mac80211_detach(struct rsi_hw *hw);
diff --git a/drivers/net/wireless/ti/wl1251/tx.c b/drivers/net/wireless/ti/wl1251/tx.c
index 5771f61392efb5..7f406c086ca560 100644
--- a/drivers/net/wireless/ti/wl1251/tx.c
+++ b/drivers/net/wireless/ti/wl1251/tx.c
@@ -402,12 +402,14 @@ static void wl1251_tx_packet_cb(struct wl1251 *wl,
 	int hdrlen;
 	u8 *frame;
 
-	skb = wl->tx_frames[result->id];
-	if (skb == NULL) {
-		wl1251_error("SKB for packet %d is NULL", result->id);
+	if (unlikely(result->id >= ARRAY_SIZE(wl->tx_frames) ||
+		     wl->tx_frames[result->id] == NULL)) {
+		wl1251_error("invalid packet id %u", result->id);
 		return;
 	}
 
+	skb = wl->tx_frames[result->id];
+
 	info = IEEE80211_SKB_CB(skb);
 
 	if (!(info->flags & IEEE80211_TX_CTL_NO_ACK) &&
diff --git a/drivers/net/wwan/iosm/iosm_ipc_imem.c b/drivers/net/wwan/iosm/iosm_ipc_imem.c
index 9f00e36b7f7909..89f0d36594f67a 100644
--- a/drivers/net/wwan/iosm/iosm_ipc_imem.c
+++ b/drivers/net/wwan/iosm/iosm_ipc_imem.c
@@ -1338,6 +1338,8 @@ imem_config_fail:
 protocol_init_fail:
 	cancel_work_sync(&ipc_imem->run_state_worker);
 	ipc_task_deinit(ipc_imem->ipc_task);
+	if (ipc_imem->ipc_protocol)
+		ipc_protocol_deinit(ipc_imem->ipc_protocol);
 ipc_task_init_fail:
 	kfree(ipc_imem->ipc_task);
 ipc_task_fail:
diff --git a/drivers/nfc/s3fwrn5/uart.c b/drivers/nfc/s3fwrn5/uart.c
index 82ea35d748a5de..dde1a87ed1e478 100644
--- a/drivers/nfc/s3fwrn5/uart.c
+++ b/drivers/nfc/s3fwrn5/uart.c
@@ -59,6 +59,12 @@ static int s3fwrn82_uart_read(struct serdev_device *serdev,
 	size_t i;
 
 	for (i = 0; i < count; i++) {
+		if (!phy->recv_skb) {
+			phy->recv_skb = alloc_skb(NCI_SKB_BUFF_LEN, GFP_KERNEL);
+			if (!phy->recv_skb)
+				return i;
+		}
+
 		skb_put_u8(phy->recv_skb, *data++);
 
 		if (phy->recv_skb->len < S3FWRN82_NCI_HEADER)
@@ -70,9 +76,7 @@ static int s3fwrn82_uart_read(struct serdev_device *serdev,
 
 		s3fwrn5_recv_frame(phy->common.ndev, phy->recv_skb,
 				   phy->common.mode);
-		phy->recv_skb = alloc_skb(NCI_SKB_BUFF_LEN, GFP_KERNEL);
-		if (!phy->recv_skb)
-			return 0;
+		phy->recv_skb = NULL;
 	}
 
 	return i;
diff --git a/drivers/nfc/trf7970a.c b/drivers/nfc/trf7970a.c
index cfc2a7e652719d..bc832d7f249622 100644
--- a/drivers/nfc/trf7970a.c
+++ b/drivers/nfc/trf7970a.c
@@ -311,6 +311,7 @@
 #define TRF7970A_RSSI_OSC_STATUS_RSSI_MASK	(BIT(2) | BIT(1) | BIT(0))
 #define TRF7970A_RSSI_OSC_STATUS_RSSI_X_MASK	(BIT(5) | BIT(4) | BIT(3))
 #define TRF7970A_RSSI_OSC_STATUS_RSSI_OSC_OK	BIT(6)
+#define TRF7970A_RSSI_OSC_STATUS_RSSI_NOISE_LEVEL	1
 
 #define TRF7970A_SPECIAL_FCN_REG1_COL_7_6		BIT(0)
 #define TRF7970A_SPECIAL_FCN_REG1_14_ANTICOLL		BIT(1)
@@ -1253,7 +1254,7 @@ static int trf7970a_is_rf_field(struct trf7970a *trf, bool *is_rf_field)
 	if (ret)
 		return ret;
 
-	if (rssi & TRF7970A_RSSI_OSC_STATUS_RSSI_MASK)
+	if ((rssi & TRF7970A_RSSI_OSC_STATUS_RSSI_MASK) > TRF7970A_RSSI_OSC_STATUS_RSSI_NOISE_LEVEL)
 		*is_rf_field = true;
 	else
 		*is_rf_field = false;
diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c
index ac1e4482011eef..9381655c1ec57d 100644
--- a/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@ -3269,6 +3269,7 @@ nvme_fc_delete_ctrl(struct nvme_ctrl *nctrl)
 	 * waiting for io to terminate
 	 */
 	nvme_fc_delete_association(ctrl);
+	cancel_work_sync(&ctrl->ioerr_work);
 }
 
 static void
@@ -3333,7 +3334,6 @@ nvme_fc_reset_ctrl_work(struct work_struct *work)
 
 	/* will block will waiting for io to terminate */
 	nvme_fc_delete_association(ctrl);
-	cancel_work_sync(&ctrl->ioerr_work);
 
 	if (!nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_CONNECTING))
 		dev_err(ctrl->ctrl.device,
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 432c21d3a9c4a7..6c6dc16ab3a62b 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -3478,6 +3478,8 @@ static const struct pci_device_id nvme_id_table[] = {
 		.driver_data = NVME_QUIRK_DISABLE_WRITE_ZEROES, },
 	{ PCI_DEVICE(0x2646, 0x501E),   /* KINGSTON OM3PGP4xxxxQ OS21011 NVMe SSD */
 		.driver_data = NVME_QUIRK_DISABLE_WRITE_ZEROES, },
+	{ PCI_DEVICE(0x2646, 0x502F),   /* KINGSTON OM3SGP4xxxxK NVMe SSD */
+		.driver_data = NVME_QUIRK_DISABLE_WRITE_ZEROES, },
 	{ PCI_DEVICE(0x1f40, 0x1202),   /* Netac Technologies Co. NV3000 NVMe SSD */
 		.driver_data = NVME_QUIRK_BOGUS_NID, },
 	{ PCI_DEVICE(0x1f40, 0x5236),   /* Netac Technologies Co. NV7000 NVMe SSD */
diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c
index ef2e500bccfdf6..30177f42a2aa7f 100644
--- a/drivers/nvme/target/core.c
+++ b/drivers/nvme/target/core.c
@@ -932,6 +932,7 @@ bool nvmet_req_init(struct nvmet_req *req, struct nvmet_cq *cq,
 	req->metadata_sg_cnt = 0;
 	req->transfer_len = 0;
 	req->metadata_len = 0;
+	req->cqe->result.u64 = 0;
 	req->cqe->status = 0;
 	req->cqe->sq_head = 0;
 	req->ns = NULL;
@@ -1470,7 +1471,7 @@ static void nvmet_ctrl_free(struct kref *ref)
 
 	nvmet_stop_keep_alive_timer(ctrl);
 
-	flush_work(&ctrl->async_event_work);
+	cancel_work_sync(&ctrl->async_event_work);
 	cancel_work_sync(&ctrl->fatal_err_work);
 
 	ida_simple_remove(&cntlid_ida, ctrl->cntlid);
diff --git a/drivers/nvme/target/fabrics-cmd.c b/drivers/nvme/target/fabrics-cmd.c
index e5ee3d3ce16491..a12f80869d6f94 100644
--- a/drivers/nvme/target/fabrics-cmd.c
+++ b/drivers/nvme/target/fabrics-cmd.c
@@ -187,9 +187,6 @@ static void nvmet_execute_admin_connect(struct nvmet_req *req)
 	if (status)
 		goto out;
 
-	/* zero out initial completion result, assign values as needed */
-	req->cqe->result.u32 = 0;
-
 	if (c->recfmt != 0) {
 		pr_warn("invalid connect version (%d).\n",
 			le16_to_cpu(c->recfmt));
@@ -255,9 +252,6 @@ static void nvmet_execute_io_connect(struct nvmet_req *req)
 	if (status)
 		goto out;
 
-	/* zero out initial completion result, assign values as needed */
-	req->cqe->result.u32 = 0;
-
 	if (c->recfmt != 0) {
 		pr_warn("invalid connect version (%d).\n",
 			le16_to_cpu(c->recfmt));
diff --git a/drivers/of/property.c b/drivers/of/property.c
index 905ac6466a5b29..922f70aa46f3b3 100644
--- a/drivers/of/property.c
+++ b/drivers/of/property.c
@@ -1130,7 +1130,7 @@ static int of_link_to_phandle(struct device_node *con_np,
 	sup_dev = get_dev_from_fwnode(&sup_np->fwnode);
 	if (!sup_dev &&
 	    (of_node_check_flag(sup_np, OF_POPULATED) ||
-	     sup_np->fwnode.flags & FWNODE_FLAG_NOT_DEVICE)) {
+	     fwnode_test_flag(&sup_np->fwnode, FWNODE_FLAG_NOT_DEVICE))) {
 		pr_debug("Not linking %pOFP to %pOFP - No struct device\n",
 			 con_np, sup_np);
 		of_node_put(sup_np);
diff --git a/drivers/parisc/lasi.c b/drivers/parisc/lasi.c
index 6ef621adb63a85..f18da2d47f32c1 100644
--- a/drivers/parisc/lasi.c
+++ b/drivers/parisc/lasi.c
@@ -196,8 +196,7 @@ static int __init lasi_init_chip(struct parisc_device *dev)
 
 	ret = request_irq(lasi->gsc_irq.irq, gsc_asic_intr, 0, "lasi", lasi);
 	if (ret < 0) {
-		kfree(lasi);
-		return ret;
+		goto err_free;
 	}
 
 	/* enable IRQ's for devices below LASI */
@@ -206,8 +205,7 @@ static int __init lasi_init_chip(struct parisc_device *dev)
 	/* Done init'ing, register this driver */
 	ret = gsc_common_setup(dev, lasi);
 	if (ret) {
-		kfree(lasi);
-		return ret;
+		goto err_irq;
 	}    
 
 	gsc_fixup_irqs(dev, lasi, lasi_choose_irq);
@@ -220,6 +218,12 @@ static int __init lasi_init_chip(struct parisc_device *dev)
 	chassis_power_off = lasi_power_off;
 	
 	return ret;
+
+err_irq:
+	free_irq(lasi->gsc_irq.irq, lasi);
+err_free:
+	kfree(lasi);
+	return ret;
 }
 
 static struct parisc_device_id lasi_tbl[] __initdata = {
diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c
index 882e739d00128c..3fd89a983f6d24 100644
--- a/drivers/pci/controller/dwc/pcie-tegra194.c
+++ b/drivers/pci/controller/dwc/pcie-tegra194.c
@@ -134,7 +134,11 @@
 #define APPL_DEBUG_PM_LINKST_IN_L0		0x11
 #define APPL_DEBUG_LTSSM_STATE_MASK		GENMASK(8, 3)
 #define APPL_DEBUG_LTSSM_STATE_SHIFT		3
-#define LTSSM_STATE_PRE_DETECT			5
+#define LTSSM_STATE_DETECT_QUIET		0x00
+#define LTSSM_STATE_DETECT_ACT			0x08
+#define LTSSM_STATE_PRE_DETECT_QUIET		0x28
+#define LTSSM_STATE_DETECT_WAIT			0x30
+#define LTSSM_STATE_L2_IDLE			0xa8
 
 #define APPL_RADM_STATUS			0xE4
 #define APPL_PM_XMT_TURNOFF_STATE		BIT(0)
@@ -221,9 +225,8 @@
 #define CAP_SPCIE_CAP_OFF_USP_TX_PRESET0_MASK	GENMASK(11, 8)
 #define CAP_SPCIE_CAP_OFF_USP_TX_PRESET0_SHIFT	8
 
-#define PME_ACK_TIMEOUT 10000
-
-#define LTSSM_TIMEOUT 50000	/* 50ms */
+#define LTSSM_DELAY_US		10000	/* 10 ms */
+#define LTSSM_TIMEOUT_US	120000	/* 120 ms */
 
 #define GEN3_GEN4_EQ_PRESET_INIT	5
 
@@ -1143,9 +1146,9 @@ static int tegra_pcie_dw_parse_dt(struct tegra_pcie_dw *pcie)
 		return err;
 	}
 
-	pcie->pex_refclk_sel_gpiod = devm_gpiod_get(pcie->dev,
-						    "nvidia,refclk-select",
-						    GPIOD_OUT_HIGH);
+	pcie->pex_refclk_sel_gpiod = devm_gpiod_get_optional(pcie->dev,
+							     "nvidia,refclk-select",
+							     GPIOD_OUT_HIGH);
 	if (IS_ERR(pcie->pex_refclk_sel_gpiod)) {
 		int err = PTR_ERR(pcie->pex_refclk_sel_gpiod);
 		const char *level = KERN_ERR;
@@ -1498,9 +1501,10 @@ static int tegra_pcie_try_link_l2(struct tegra_pcie_dw *pcie)
 	val |= APPL_PM_XMT_TURNOFF_STATE;
 	appl_writel(pcie, val, APPL_RADM_STATUS);
 
-	return readl_poll_timeout_atomic(pcie->appl_base + APPL_DEBUG, val,
-				 val & APPL_DEBUG_PM_LINKST_IN_L2_LAT,
-				 1, PME_ACK_TIMEOUT);
+	return readl_poll_timeout(pcie->appl_base + APPL_DEBUG, val,
+				  val & APPL_DEBUG_PM_LINKST_IN_L2_LAT,
+				  PCIE_PME_TO_L2_TIMEOUT_US/10,
+				  PCIE_PME_TO_L2_TIMEOUT_US);
 }
 
 static void tegra_pcie_dw_pme_turnoff(struct tegra_pcie_dw *pcie)
@@ -1535,23 +1539,22 @@ static void tegra_pcie_dw_pme_turnoff(struct tegra_pcie_dw *pcie)
 		data &= ~APPL_PINMUX_PEX_RST;
 		appl_writel(pcie, data, APPL_PINMUX);
 
+		err = readl_poll_timeout(pcie->appl_base + APPL_DEBUG, data,
+			((data & APPL_DEBUG_LTSSM_STATE_MASK) == LTSSM_STATE_DETECT_QUIET) ||
+			((data & APPL_DEBUG_LTSSM_STATE_MASK) == LTSSM_STATE_DETECT_ACT) ||
+			((data & APPL_DEBUG_LTSSM_STATE_MASK) == LTSSM_STATE_PRE_DETECT_QUIET) ||
+			((data & APPL_DEBUG_LTSSM_STATE_MASK) == LTSSM_STATE_DETECT_WAIT),
+			LTSSM_DELAY_US, LTSSM_TIMEOUT_US);
+		if (err)
+			dev_info(pcie->dev, "LTSSM state: 0x%x detect timeout: %d\n", data, err);
+
 		/*
-		 * Some cards do not go to detect state even after de-asserting
-		 * PERST#. So, de-assert LTSSM to bring link to detect state.
+		 * Deassert LTSSM state to stop the state toggling between
+		 * Polling and Detect.
 		 */
 		data = readl(pcie->appl_base + APPL_CTRL);
 		data &= ~APPL_CTRL_LTSSM_EN;
 		writel(data, pcie->appl_base + APPL_CTRL);
-
-		err = readl_poll_timeout_atomic(pcie->appl_base + APPL_DEBUG,
-						data,
-						((data &
-						APPL_DEBUG_LTSSM_STATE_MASK) >>
-						APPL_DEBUG_LTSSM_STATE_SHIFT) ==
-						LTSSM_STATE_PRE_DETECT,
-						1, LTSSM_TIMEOUT);
-		if (err)
-			dev_info(pcie->dev, "Link didn't go to detect state\n");
 	}
 	/*
 	 * DBI registers may not be accessible after this as PLL-E would be
@@ -1633,19 +1636,24 @@ static void pex_ep_event_pex_rst_assert(struct tegra_pcie_dw *pcie)
 	if (pcie->ep_state == EP_STATE_DISABLED)
 		return;
 
-	/* Disable LTSSM */
+	ret = readl_poll_timeout(pcie->appl_base + APPL_DEBUG, val,
+		((val & APPL_DEBUG_LTSSM_STATE_MASK) == LTSSM_STATE_DETECT_QUIET) ||
+		((val & APPL_DEBUG_LTSSM_STATE_MASK) == LTSSM_STATE_DETECT_ACT) ||
+		((val & APPL_DEBUG_LTSSM_STATE_MASK) == LTSSM_STATE_PRE_DETECT_QUIET) ||
+		((val & APPL_DEBUG_LTSSM_STATE_MASK) == LTSSM_STATE_DETECT_WAIT) ||
+		((val & APPL_DEBUG_LTSSM_STATE_MASK) == LTSSM_STATE_L2_IDLE),
+		LTSSM_DELAY_US, LTSSM_TIMEOUT_US);
+	if (ret)
+		dev_info(pcie->dev, "LTSSM state: 0x%x detect timeout: %d\n", val, ret);
+
+	/*
+	 * Deassert LTSSM state to stop the state toggling between
+	 * Polling and Detect.
+	 */
 	val = appl_readl(pcie, APPL_CTRL);
 	val &= ~APPL_CTRL_LTSSM_EN;
 	appl_writel(pcie, val, APPL_CTRL);
 
-	ret = readl_poll_timeout(pcie->appl_base + APPL_DEBUG, val,
-				 ((val & APPL_DEBUG_LTSSM_STATE_MASK) >>
-				 APPL_DEBUG_LTSSM_STATE_SHIFT) ==
-				 LTSSM_STATE_PRE_DETECT,
-				 1, LTSSM_TIMEOUT);
-	if (ret)
-		dev_err(pcie->dev, "Failed to go Detect state: %d\n", ret);
-
 	reset_control_assert(pcie->core_rst);
 
 	tegra_pcie_disable_phy(pcie);
@@ -1766,6 +1774,10 @@ static void pex_ep_event_pex_rst_deassert(struct tegra_pcie_dw *pcie)
 
 	reset_control_deassert(pcie->core_rst);
 
+	val = dw_pcie_readl_dbi(pci, PCIE_LINK_WIDTH_SPEED_CONTROL);
+	val &= ~PORT_LOGIC_SPEED_CHANGE;
+	dw_pcie_writel_dbi(pci, PCIE_LINK_WIDTH_SPEED_CONTROL, val);
+
 	if (pcie->update_fc_fixup) {
 		val = dw_pcie_readl_dbi(pci, CFG_TIMER_CTRL_MAX_FUNC_NUM_OFF);
 		val |= 0x1 << CFG_TIMER_CTRL_ACK_NAK_SHIFT;
diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c
index ac47a6ee2e93ba..7917ed426f6a77 100644
--- a/drivers/pci/controller/pci-hyperv.c
+++ b/drivers/pci/controller/pci-hyperv.c
@@ -1963,6 +1963,14 @@ static void hv_pci_assign_numa_node(struct hv_pcibus_device *hbus)
 		if (!hv_dev)
 			continue;
 
+		/*
+		 * If the Hyper-V host doesn't provide a NUMA node for the
+		 * device, default to node 0. With NUMA_NO_NODE the kernel
+		 * may spread work across NUMA nodes, which degrades
+		 * performance on Hyper-V.
+		 */
+		set_dev_node(&dev->dev, 0);
+
 		if (hv_dev->desc.flags & HV_PCI_DEVICE_FLAG_NUMA_AFFINITY &&
 		    hv_dev->desc.virtual_numa_node < num_possible_nodes())
 			/*
diff --git a/drivers/pci/endpoint/functions/pci-epf-ntb.c b/drivers/pci/endpoint/functions/pci-epf-ntb.c
index 8b4756159f1599..8673c16ffb864b 100644
--- a/drivers/pci/endpoint/functions/pci-epf-ntb.c
+++ b/drivers/pci/endpoint/functions/pci-epf-ntb.c
@@ -1494,47 +1494,6 @@ err_alloc_peer_mem:
 	return ret;
 }
 
-/**
- * epf_ntb_epc_destroy_interface() - Cleanup NTB EPC interface
- * @ntb: NTB device that facilitates communication between HOST1 and HOST2
- * @type: PRIMARY interface or SECONDARY interface
- *
- * Unbind NTB function device from EPC and relinquish reference to pci_epc
- * for each of the interface.
- */
-static void epf_ntb_epc_destroy_interface(struct epf_ntb *ntb,
-					  enum pci_epc_interface_type type)
-{
-	struct epf_ntb_epc *ntb_epc;
-	struct pci_epc *epc;
-	struct pci_epf *epf;
-
-	if (type < 0)
-		return;
-
-	epf = ntb->epf;
-	ntb_epc = ntb->epc[type];
-	if (!ntb_epc)
-		return;
-	epc = ntb_epc->epc;
-	pci_epc_remove_epf(epc, epf, type);
-	pci_epc_put(epc);
-}
-
-/**
- * epf_ntb_epc_destroy() - Cleanup NTB EPC interface
- * @ntb: NTB device that facilitates communication between HOST1 and HOST2
- *
- * Wrapper for epf_ntb_epc_destroy_interface() to cleanup all the NTB interfaces
- */
-static void epf_ntb_epc_destroy(struct epf_ntb *ntb)
-{
-	enum pci_epc_interface_type type;
-
-	for (type = PRIMARY_INTERFACE; type <= SECONDARY_INTERFACE; type++)
-		epf_ntb_epc_destroy_interface(ntb, type);
-}
-
 /**
  * epf_ntb_epc_create_interface() - Create and initialize NTB EPC interface
  * @ntb: NTB device that facilitates communication between HOST1 and HOST2
@@ -1614,15 +1573,8 @@ static int epf_ntb_epc_create(struct epf_ntb *ntb)
 
 	ret = epf_ntb_epc_create_interface(ntb, epf->sec_epc,
 					   SECONDARY_INTERFACE);
-	if (ret) {
+	if (ret)
 		dev_err(dev, "SECONDARY intf: Fail to create NTB EPC\n");
-		goto err_epc_create;
-	}
-
-	return 0;
-
-err_epc_create:
-	epf_ntb_epc_destroy_interface(ntb, PRIMARY_INTERFACE);
 
 	return ret;
 }
@@ -1887,7 +1839,7 @@ static int epf_ntb_bind(struct pci_epf *epf)
 	ret = epf_ntb_init_epc_bar(ntb);
 	if (ret) {
 		dev_err(dev, "Failed to create NTB EPC\n");
-		goto err_bar_init;
+		return ret;
 	}
 
 	ret = epf_ntb_config_spad_bar_alloc_interface(ntb);
@@ -1909,9 +1861,6 @@ static int epf_ntb_bind(struct pci_epf *epf)
 err_bar_alloc:
 	epf_ntb_config_spad_bar_free(ntb);
 
-err_bar_init:
-	epf_ntb_epc_destroy(ntb);
-
 	return ret;
 }
 
@@ -1927,7 +1876,6 @@ static void epf_ntb_unbind(struct pci_epf *epf)
 
 	epf_ntb_epc_cleanup(ntb);
 	epf_ntb_config_spad_bar_free(ntb);
-	epf_ntb_epc_destroy(ntb);
 }
 
 #define EPF_NTB_R(_name)						\
diff --git a/drivers/pci/endpoint/functions/pci-epf-vntb.c b/drivers/pci/endpoint/functions/pci-epf-vntb.c
index 45530bca50fb8e..e9402b5dc83598 100644
--- a/drivers/pci/endpoint/functions/pci-epf-vntb.c
+++ b/drivers/pci/endpoint/functions/pci-epf-vntb.c
@@ -650,18 +650,6 @@ static void epf_ntb_mw_bar_clear(struct epf_ntb *ntb)
 	}
 }
 
-/**
- * epf_ntb_epc_destroy() - Cleanup NTB EPC interface
- * @ntb: NTB device that facilitates communication between HOST and vHOST
- *
- * Wrapper for epf_ntb_epc_destroy_interface() to cleanup all the NTB interfaces
- */
-static void epf_ntb_epc_destroy(struct epf_ntb *ntb)
-{
-	pci_epc_remove_epf(ntb->epf->epc, ntb->epf, 0);
-	pci_epc_put(ntb->epf->epc);
-}
-
 /**
  * epf_ntb_init_epc_bar() - Identify BARs to be used for each of the NTB
  * constructs (scratchpad region, doorbell, memorywindow)
@@ -1289,7 +1277,7 @@ static int epf_ntb_bind(struct pci_epf *epf)
 	ret = epf_ntb_init_epc_bar(ntb);
 	if (ret) {
 		dev_err(dev, "Failed to create NTB EPC\n");
-		goto err_bar_init;
+		return ret;
 	}
 
 	ret = epf_ntb_config_spad_bar_alloc(ntb);
@@ -1326,9 +1314,6 @@ err_unregister:
 err_bar_alloc:
 	epf_ntb_config_spad_bar_free(ntb);
 
-err_bar_init:
-	epf_ntb_epc_destroy(ntb);
-
 	return ret;
 }
 
@@ -1344,7 +1329,6 @@ static void epf_ntb_unbind(struct pci_epf *epf)
 
 	epf_ntb_epc_cleanup(ntb);
 	epf_ntb_config_spad_bar_free(ntb);
-	epf_ntb_epc_destroy(ntb);
 
 	pci_unregister_driver(&vntb_pci_driver);
 }
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index 268ca998443af6..5e86038f2ea5fb 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -245,21 +245,6 @@ static acpi_status decode_type1_hpx_record(union acpi_object *record,
 	return AE_OK;
 }
 
-static bool pcie_root_rcb_set(struct pci_dev *dev)
-{
-	struct pci_dev *rp = pcie_find_root_port(dev);
-	u16 lnkctl;
-
-	if (!rp)
-		return false;
-
-	pcie_capability_read_word(rp, PCI_EXP_LNKCTL, &lnkctl);
-	if (lnkctl & PCI_EXP_LNKCTL_RCB)
-		return true;
-
-	return false;
-}
-
 /* _HPX PCI Express Setting Record (Type 2) */
 struct hpx_type2 {
 	u32 revision;
@@ -285,6 +270,7 @@ static void program_hpx_type2(struct pci_dev *dev, struct hpx_type2 *hpx)
 {
 	int pos;
 	u32 reg32;
+	const struct pci_host_bridge *host;
 
 	if (!hpx)
 		return;
@@ -292,6 +278,15 @@ static void program_hpx_type2(struct pci_dev *dev, struct hpx_type2 *hpx)
 	if (!pci_is_pcie(dev))
 		return;
 
+	host = pci_find_host_bridge(dev->bus);
+
+	/*
+	 * Only do the _HPX Type 2 programming if OS owns PCIe native
+	 * hotplug but not AER.
+	 */
+	if (!host->native_pcie_hotplug || host->native_aer)
+		return;
+
 	if (hpx->revision > 1) {
 		pci_warn(dev, "PCIe settings rev %d not supported\n",
 			 hpx->revision);
@@ -299,33 +294,27 @@ static void program_hpx_type2(struct pci_dev *dev, struct hpx_type2 *hpx)
 	}
 
 	/*
-	 * Don't allow _HPX to change MPS or MRRS settings.  We manage
-	 * those to make sure they're consistent with the rest of the
-	 * platform.
+	 * We only allow _HPX to program DEVCTL bits related to AER, namely
+	 * PCI_EXP_DEVCTL_CERE, PCI_EXP_DEVCTL_NFERE, PCI_EXP_DEVCTL_FERE,
+	 * and PCI_EXP_DEVCTL_URRE.
+	 *
+	 * The rest of DEVCTL is managed by the OS to make sure it's
+	 * consistent with the rest of the platform.
 	 */
-	hpx->pci_exp_devctl_and |= PCI_EXP_DEVCTL_PAYLOAD |
-				    PCI_EXP_DEVCTL_READRQ;
-	hpx->pci_exp_devctl_or &= ~(PCI_EXP_DEVCTL_PAYLOAD |
-				    PCI_EXP_DEVCTL_READRQ);
+	hpx->pci_exp_devctl_and |= ~PCI_EXP_AER_FLAGS;
+	hpx->pci_exp_devctl_or &= PCI_EXP_AER_FLAGS;
 
 	/* Initialize Device Control Register */
 	pcie_capability_clear_and_set_word(dev, PCI_EXP_DEVCTL,
 			~hpx->pci_exp_devctl_and, hpx->pci_exp_devctl_or);
 
-	/* Initialize Link Control Register */
+	/* Log if _HPX attempts to modify Link Control Register */
 	if (pcie_cap_has_lnkctl(dev)) {
-
-		/*
-		 * If the Root Port supports Read Completion Boundary of
-		 * 128, set RCB to 128.  Otherwise, clear it.
-		 */
-		hpx->pci_exp_lnkctl_and |= PCI_EXP_LNKCTL_RCB;
-		hpx->pci_exp_lnkctl_or &= ~PCI_EXP_LNKCTL_RCB;
-		if (pcie_root_rcb_set(dev))
-			hpx->pci_exp_lnkctl_or |= PCI_EXP_LNKCTL_RCB;
-
-		pcie_capability_clear_and_set_word(dev, PCI_EXP_LNKCTL,
-			~hpx->pci_exp_lnkctl_and, hpx->pci_exp_lnkctl_or);
+		if (hpx->pci_exp_lnkctl_and != 0xffff ||
+		    hpx->pci_exp_lnkctl_or != 0)
+			pci_info(dev, "_HPX attempts Link Control setting (AND %#06x OR %#06x)\n",
+				 hpx->pci_exp_lnkctl_and,
+				 hpx->pci_exp_lnkctl_or);
 	}
 
 	/* Find Advanced Error Reporting Enhanced Capability */
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 2d4f3080e4dd54..a67207649ce391 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -2220,10 +2220,9 @@ EXPORT_SYMBOL_GPL(pci_set_pcie_reset_state);
 
 void pcie_clear_device_status(struct pci_dev *dev)
 {
-	u16 sta;
-
-	pcie_capability_read_word(dev, PCI_EXP_DEVSTA, &sta);
-	pcie_capability_write_word(dev, PCI_EXP_DEVSTA, sta);
+	pcie_capability_write_word(dev, PCI_EXP_DEVSTA,
+				   PCI_EXP_DEVSTA_CED | PCI_EXP_DEVSTA_NFED |
+				   PCI_EXP_DEVSTA_FED | PCI_EXP_DEVSTA_URD);
 }
 
 /**
@@ -3743,8 +3742,7 @@ int pci_rebar_set_size(struct pci_dev *pdev, int bar, int size)
  */
 int pci_enable_atomic_ops_to_root(struct pci_dev *dev, u32 cap_mask)
 {
-	struct pci_bus *bus = dev->bus;
-	struct pci_dev *bridge;
+	struct pci_dev *root, *bridge;
 	u32 cap, ctl2;
 
 	/*
@@ -3774,35 +3772,35 @@ int pci_enable_atomic_ops_to_root(struct pci_dev *dev, u32 cap_mask)
 		return -EINVAL;
 	}
 
-	while (bus->parent) {
-		bridge = bus->self;
+	root = pcie_find_root_port(dev);
+	if (!root)
+		return -EINVAL;
 
-		pcie_capability_read_dword(bridge, PCI_EXP_DEVCAP2, &cap);
+	pcie_capability_read_dword(root, PCI_EXP_DEVCAP2, &cap);
+	if ((cap & cap_mask) != cap_mask)
+		return -EINVAL;
 
+	bridge = pci_upstream_bridge(dev);
+	while (bridge != root) {
 		switch (pci_pcie_type(bridge)) {
-		/* Ensure switch ports support AtomicOp routing */
 		case PCI_EXP_TYPE_UPSTREAM:
-		case PCI_EXP_TYPE_DOWNSTREAM:
-			if (!(cap & PCI_EXP_DEVCAP2_ATOMIC_ROUTE))
-				return -EINVAL;
-			break;
-
-		/* Ensure root port supports all the sizes we care about */
-		case PCI_EXP_TYPE_ROOT_PORT:
-			if ((cap & cap_mask) != cap_mask)
-				return -EINVAL;
-			break;
-		}
-
-		/* Ensure upstream ports don't block AtomicOps on egress */
-		if (pci_pcie_type(bridge) == PCI_EXP_TYPE_UPSTREAM) {
+			/* Upstream ports must not block AtomicOps on egress */
 			pcie_capability_read_dword(bridge, PCI_EXP_DEVCTL2,
 						   &ctl2);
 			if (ctl2 & PCI_EXP_DEVCTL2_ATOMIC_EGRESS_BLOCK)
 				return -EINVAL;
+			fallthrough;
+
+		/* All switch ports need to route AtomicOps */
+		case PCI_EXP_TYPE_DOWNSTREAM:
+			pcie_capability_read_dword(bridge, PCI_EXP_DEVCAP2,
+						   &cap);
+			if (!(cap & PCI_EXP_DEVCAP2_ATOMIC_ROUTE))
+				return -EINVAL;
+			break;
 		}
 
-		bus = bus->parent;
+		bridge = pci_upstream_bridge(bridge);
 	}
 
 	pcie_capability_set_word(dev, PCI_EXP_DEVCTL2,
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 4a8f499d278beb..eda82a771ab823 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -11,6 +11,15 @@
 
 #define PCI_VSEC_ID_INTEL_TBT	0x1234	/* Thunderbolt */
 
+#define PCI_EXP_AER_FLAGS	(PCI_EXP_DEVCTL_CERE | PCI_EXP_DEVCTL_NFERE | \
+				 PCI_EXP_DEVCTL_FERE | PCI_EXP_DEVCTL_URRE)
+
+/*
+ * PCIe r6.0, sec 5.3.3.2.1 <PME Synchronization>
+ * Recommends 1ms to 10ms timeout to check L2 ready.
+ */
+#define PCIE_PME_TO_L2_TIMEOUT_US	10000
+
 extern const unsigned char pcie_link_speed[];
 extern bool pci_early_dump;
 
diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c
index a8bec1c3c769a8..6b9a06bf8fc3f8 100644
--- a/drivers/pci/pcie/aer.c
+++ b/drivers/pci/pcie/aer.c
@@ -214,9 +214,6 @@ void pcie_ecrc_get_policy(char *str)
 }
 #endif	/* CONFIG_PCIE_ECRC */
 
-#define	PCI_EXP_AER_FLAGS	(PCI_EXP_DEVCTL_CERE | PCI_EXP_DEVCTL_NFERE | \
-				 PCI_EXP_DEVCTL_FERE | PCI_EXP_DEVCTL_URRE)
-
 int pcie_aer_is_native(struct pci_dev *dev)
 {
 	struct pci_host_bridge *host = pci_find_host_bridge(dev->bus);
@@ -855,8 +852,6 @@ static bool is_error_source(struct pci_dev *dev, struct aer_err_info *e_info)
 	 *      3) There are multiple errors and prior ID comparing fails;
 	 * We check AER status registers to find possible reporter.
 	 */
-	if (atomic_read(&dev->enable_cnt) == 0)
-		return false;
 
 	/* Check if AER is enabled */
 	pcie_capability_read_word(dev, PCI_EXP_DEVCTL, &reg16);
diff --git a/drivers/pcmcia/rsrc_nonstatic.c b/drivers/pcmcia/rsrc_nonstatic.c
index 58782f21a442a2..50e8e8522708c0 100644
--- a/drivers/pcmcia/rsrc_nonstatic.c
+++ b/drivers/pcmcia/rsrc_nonstatic.c
@@ -188,7 +188,7 @@ static void do_io_probe(struct pcmcia_socket *s, unsigned int base,
 	int any;
 	u_char *b, hole, most;
 
-	dev_info(&s->dev, "cs: IO port probe %#x-%#x:", base, base+num-1);
+	pr_info("%s: cs: IO port probe %#x-%#x:", dev_name(&s->dev), base, base+num-1);
 
 	/* First, what does a floating port look like? */
 	b = kzalloc(256, GFP_KERNEL);
@@ -410,8 +410,8 @@ static int do_mem_probe(struct pcmcia_socket *s, u_long base, u_long num,
 	struct socket_data *s_data = s->resource_data;
 	u_long i, j, bad, fail, step;
 
-	dev_info(&s->dev, "cs: memory probe 0x%06lx-0x%06lx:",
-		 base, base+num-1);
+	pr_info("%s: cs: memory probe 0x%06lx-0x%06lx:",
+	       dev_name(&s->dev), base, base+num-1);
 	bad = fail = 0;
 	step = (num < 0x20000) ? 0x2000 : ((num>>4) & ~0x1fff);
 	/* don't allow too large steps */
diff --git a/drivers/phy/marvell/phy-mvebu-a3700-utmi.c b/drivers/phy/marvell/phy-mvebu-a3700-utmi.c
index 8834436bc9dbcc..e3a9278c068425 100644
--- a/drivers/phy/marvell/phy-mvebu-a3700-utmi.c
+++ b/drivers/phy/marvell/phy-mvebu-a3700-utmi.c
@@ -168,9 +168,8 @@ static int mvebu_a3700_utmi_phy_power_off(struct phy *phy)
 	u32 reg;
 
 	/* Disable PHY pull-up and enable USB2 suspend */
-	reg = readl(utmi->regs + USB2_PHY_CTRL(usb32));
-	reg &= ~(RB_USB2PHY_PU | RB_USB2PHY_SUSPM(usb32));
-	writel(reg, utmi->regs + USB2_PHY_CTRL(usb32));
+	regmap_update_bits(utmi->usb_misc, USB2_PHY_CTRL(usb32),
+			   RB_USB2PHY_PU | RB_USB2PHY_SUSPM(usb32), 0);
 
 	/* Power down OTG module */
 	if (usb32) {
diff --git a/drivers/pinctrl/intel/pinctrl-intel.c b/drivers/pinctrl/intel/pinctrl-intel.c
index cc64eda155f571..38546003296281 100644
--- a/drivers/pinctrl/intel/pinctrl-intel.c
+++ b/drivers/pinctrl/intel/pinctrl-intel.c
@@ -1532,7 +1532,7 @@ static int intel_pinctrl_probe(struct platform_device *pdev,
 		value = readl(regs + REVID);
 		if (value == ~0u)
 			return -ENODEV;
-		if (((value & REVID_MASK) >> REVID_SHIFT) >= 0x94) {
+		if (((value & REVID_MASK) >> REVID_SHIFT) >= 0x92) {
 			community->features |= PINCTRL_FEATURE_DEBOUNCE;
 			community->features |= PINCTRL_FEATURE_1K_PD;
 		}
diff --git a/drivers/pinctrl/nomadik/pinctrl-abx500.c b/drivers/pinctrl/nomadik/pinctrl-abx500.c
index 7aa534576a4598..609313d93e31a1 100644
--- a/drivers/pinctrl/nomadik/pinctrl-abx500.c
+++ b/drivers/pinctrl/nomadik/pinctrl-abx500.c
@@ -850,7 +850,7 @@ static int abx500_pin_config_set(struct pinctrl_dev *pctldev,
 	int ret = -EINVAL;
 	int i;
 	enum pin_config_param param;
-	enum pin_config_param argument;
+	unsigned int argument;
 
 	for (i = 0; i < num_configs; i++) {
 		param = pinconf_to_config_param(configs[i]);
diff --git a/drivers/pinctrl/pinctrl-pic32.c b/drivers/pinctrl/pinctrl-pic32.c
index 748dabd8db6e82..19763697a0a428 100644
--- a/drivers/pinctrl/pinctrl-pic32.c
+++ b/drivers/pinctrl/pinctrl-pic32.c
@@ -2162,16 +2162,10 @@ static int pic32_pinctrl_probe(struct platform_device *pdev)
 	if (IS_ERR(pctl->reg_base))
 		return PTR_ERR(pctl->reg_base);
 
-	pctl->clk = devm_clk_get(&pdev->dev, NULL);
+	pctl->clk = devm_clk_get_enabled(&pdev->dev, NULL);
 	if (IS_ERR(pctl->clk)) {
 		ret = PTR_ERR(pctl->clk);
-		dev_err(&pdev->dev, "clk get failed\n");
-		return ret;
-	}
-
-	ret = clk_prepare_enable(pctl->clk);
-	if (ret) {
-		dev_err(&pdev->dev, "clk enable failed\n");
+		dev_err(&pdev->dev, "Failed to get and enable clock\n");
 		return ret;
 	}
 
@@ -2227,16 +2221,10 @@ static int pic32_gpio_probe(struct platform_device *pdev)
 	if (irq < 0)
 		return irq;
 
-	bank->clk = devm_clk_get(&pdev->dev, NULL);
+	bank->clk = devm_clk_get_enabled(&pdev->dev, NULL);
 	if (IS_ERR(bank->clk)) {
 		ret = PTR_ERR(bank->clk);
-		dev_err(&pdev->dev, "clk get failed\n");
-		return ret;
-	}
-
-	ret = clk_prepare_enable(bank->clk);
-	if (ret) {
-		dev_err(&pdev->dev, "clk enable failed\n");
+		dev_err(&pdev->dev, "Failed to get and enable clock\n");
 		return ret;
 	}
 
diff --git a/drivers/platform/surface/surfacepro3_button.c b/drivers/platform/surface/surfacepro3_button.c
index 242fb690dcaf7a..892fb71d5916f8 100644
--- a/drivers/platform/surface/surfacepro3_button.c
+++ b/drivers/platform/surface/surfacepro3_button.c
@@ -243,6 +243,7 @@ static int surface_button_remove(struct acpi_device *device)
 {
 	struct surface_button *button = acpi_driver_data(device);
 
+	device_init_wakeup(&device->dev, false);
 	input_unregister_device(button->input);
 	kfree(button);
 	return 0;
diff --git a/drivers/platform/x86/adv_swbutton.c b/drivers/platform/x86/adv_swbutton.c
index 38693b735c876c..87b7fd09a6f6f2 100644
--- a/drivers/platform/x86/adv_swbutton.c
+++ b/drivers/platform/x86/adv_swbutton.c
@@ -48,10 +48,14 @@ static int adv_swbutton_probe(struct platform_device *device)
 {
 	struct adv_swbutton *button;
 	struct input_dev *input;
-	acpi_handle handle = ACPI_HANDLE(&device->dev);
+	acpi_handle handle;
 	acpi_status status;
 	int error;
 
+	handle = ACPI_HANDLE(&device->dev);
+	if (!handle)
+		return -ENODEV;
+
 	button = devm_kzalloc(&device->dev, sizeof(*button), GFP_KERNEL);
 	if (!button)
 		return -ENOMEM;
diff --git a/drivers/platform/x86/dell/dell-wmi-sysman/enum-attributes.c b/drivers/platform/x86/dell/dell-wmi-sysman/enum-attributes.c
index fc2f58b4cbc6ef..7e44ba3015627d 100644
--- a/drivers/platform/x86/dell/dell-wmi-sysman/enum-attributes.c
+++ b/drivers/platform/x86/dell/dell-wmi-sysman/enum-attributes.c
@@ -6,10 +6,32 @@
  *  Copyright (c) 2020 Dell Inc.
  */
 
+#include <linux/bug.h>
+
 #include "dell-wmi-sysman.h"
 
 get_instance_id(enumeration);
 
+static int append_enum_string(char *dest, const char *src)
+{
+	size_t dest_len = strlen(dest);
+	ssize_t copied;
+
+	if (WARN_ON_ONCE(dest_len >= MAX_BUFF))
+		return -EINVAL;
+
+	copied = strscpy(dest + dest_len, src, MAX_BUFF - dest_len);
+	if (copied < 0)
+		return -EINVAL;
+
+	dest_len += copied;
+	copied = strscpy(dest + dest_len, ";", MAX_BUFF - dest_len);
+	if (copied < 0)
+		return -EINVAL;
+
+	return 0;
+}
+
 static ssize_t current_value_show(struct kobject *kobj, struct kobj_attribute *attr, char *buf)
 {
 	int instance_id = get_enumeration_instance_id(kobj);
@@ -176,9 +198,9 @@ int populate_enum_data(union acpi_object *enumeration_obj, int instance_id,
 			return -EINVAL;
 		if (check_property_type(enumeration, next_obj, ACPI_TYPE_STRING))
 			return -EINVAL;
-		strcat(wmi_priv.enumeration_data[instance_id].dell_value_modifier,
-			enumeration_obj[next_obj++].string.pointer);
-		strcat(wmi_priv.enumeration_data[instance_id].dell_value_modifier, ";");
+		if (append_enum_string(wmi_priv.enumeration_data[instance_id].dell_value_modifier,
+				       enumeration_obj[next_obj++].string.pointer))
+			return -EINVAL;
 	}
 
 	if (next_obj >= enum_property_count)
@@ -193,9 +215,9 @@ int populate_enum_data(union acpi_object *enumeration_obj, int instance_id,
 			return -EINVAL;
 		if (check_property_type(enumeration, next_obj, ACPI_TYPE_STRING))
 			return -EINVAL;
-		strcat(wmi_priv.enumeration_data[instance_id].possible_values,
-			enumeration_obj[next_obj++].string.pointer);
-		strcat(wmi_priv.enumeration_data[instance_id].possible_values, ";");
+		if (append_enum_string(wmi_priv.enumeration_data[instance_id].possible_values,
+				       enumeration_obj[next_obj++].string.pointer))
+			return -EINVAL;
 	}
 
 	return sysfs_create_group(attr_name_kobj, &enumeration_attr_group);
diff --git a/drivers/platform/x86/dell/dell_rbu.c b/drivers/platform/x86/dell/dell_rbu.c
index 9fc5d3e9e7934a..8f7c790857015c 100644
--- a/drivers/platform/x86/dell/dell_rbu.c
+++ b/drivers/platform/x86/dell/dell_rbu.c
@@ -30,6 +30,7 @@
 #define pr_fmt(fmt)	KBUILD_MODNAME ": " fmt
 
 #include <linux/init.h>
+#include <linux/kstrtox.h>
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/string.h>
@@ -617,9 +618,12 @@ static ssize_t packet_size_write(struct file *filp, struct kobject *kobj,
 				 char *buffer, loff_t pos, size_t count)
 {
 	unsigned long temp;
+
+	if (kstrtoul(buffer, 10, &temp))
+		return -EINVAL;
+
 	spin_lock(&rbu_data.lock);
 	packet_empty_list();
-	sscanf(buffer, "%lu", &temp);
 	if (temp < 0xffffffff)
 		rbu_data.packetsize = temp;
 
diff --git a/drivers/platform/x86/hp/hp-wmi.c b/drivers/platform/x86/hp/hp-wmi.c
index be99a78e1bb8d9..94c358f2614119 100644
--- a/drivers/platform/x86/hp/hp-wmi.c
+++ b/drivers/platform/x86/hp/hp-wmi.c
@@ -166,6 +166,11 @@ static const struct key_entry hp_wmi_keymap[] = {
 	{ KE_KEY, 0x21a9,  { KEY_TOUCHPAD_OFF } },
 	{ KE_KEY, 0x121a9, { KEY_TOUCHPAD_ON } },
 	{ KE_KEY, 0x231b,  { KEY_HELP } },
+	{ KE_IGNORE, 0x21ab, }, /* FnLock on */
+	{ KE_IGNORE, 0x121ab, }, /* FnLock off */
+	{ KE_IGNORE, 0x30021aa, }, /* kbd backlight: level 2 -> off */
+	{ KE_IGNORE, 0x33221aa, }, /* kbd backlight: off -> level 1 */
+	{ KE_IGNORE, 0x36421aa, }, /* kbd backlight: level 1 -> level 2*/
 	{ KE_END, 0 }
 };
 
diff --git a/drivers/platform/x86/hp/hp_accel.c b/drivers/platform/x86/hp/hp_accel.c
index 62a1d934647504..eb5e533bf08663 100644
--- a/drivers/platform/x86/hp/hp_accel.c
+++ b/drivers/platform/x86/hp/hp_accel.c
@@ -300,6 +300,9 @@ static int lis3lv02d_probe(struct platform_device *device)
 	int ret;
 
 	lis3_dev.bus_priv = ACPI_COMPANION(&device->dev);
+	if (!lis3_dev.bus_priv)
+		return -ENODEV;
+
 	lis3_dev.init = lis3lv02d_acpi_init;
 	lis3_dev.read = lis3lv02d_acpi_read;
 	lis3_dev.write = lis3lv02d_acpi_write;
diff --git a/drivers/platform/x86/intel/hid.c b/drivers/platform/x86/intel/hid.c
index cbc4ec2f8479b9..b19cd6ca4e2f51 100644
--- a/drivers/platform/x86/intel/hid.c
+++ b/drivers/platform/x86/intel/hid.c
@@ -638,12 +638,16 @@ static bool button_array_present(struct platform_device *device)
 
 static int intel_hid_probe(struct platform_device *device)
 {
-	acpi_handle handle = ACPI_HANDLE(&device->dev);
 	unsigned long long mode, dummy;
 	struct intel_hid_priv *priv;
+	acpi_handle handle;
 	acpi_status status;
 	int err;
 
+	handle = ACPI_HANDLE(&device->dev);
+	if (!handle)
+		return -ENODEV;
+
 	intel_hid_init_dsm(handle);
 
 	if (!intel_hid_evaluate_method(handle, INTEL_HID_DSM_HDMM_FN, &mode)) {
diff --git a/drivers/platform/x86/intel/vbtn.c b/drivers/platform/x86/intel/vbtn.c
index 4e9d3f25c35d08..0906530b2bad4c 100644
--- a/drivers/platform/x86/intel/vbtn.c
+++ b/drivers/platform/x86/intel/vbtn.c
@@ -272,12 +272,16 @@ static bool intel_vbtn_has_switches(acpi_handle handle, bool dual_accel)
 
 static int intel_vbtn_probe(struct platform_device *device)
 {
-	acpi_handle handle = ACPI_HANDLE(&device->dev);
 	bool dual_accel, has_buttons, has_switches;
 	struct intel_vbtn_priv *priv;
+	acpi_handle handle;
 	acpi_status status;
 	int err;
 
+	handle = ACPI_HANDLE(&device->dev);
+	if (!handle)
+		return -ENODEV;
+
 	dual_accel = dual_accel_detect();
 	has_buttons = acpi_has_method(handle, "VBDL");
 	has_switches = intel_vbtn_has_switches(handle, dual_accel);
diff --git a/drivers/platform/x86/panasonic-laptop.c b/drivers/platform/x86/panasonic-laptop.c
index 418cd4d7812614..6728e24db1d2ae 100644
--- a/drivers/platform/x86/panasonic-laptop.c
+++ b/drivers/platform/x86/panasonic-laptop.c
@@ -1077,9 +1077,10 @@ static int acpi_pcc_hotkey_add(struct acpi_device *device)
 		}
 		result = device_create_file(&pcc->platform->dev,
 			&dev_attr_cdpower);
-		pcc_register_optd_notifier(pcc, "\\_SB.PCI0.EHCI.ERHB.OPTD");
 		if (result)
 			goto out_platform;
+
+		pcc_register_optd_notifier(pcc, "\\_SB.PCI0.EHCI.ERHB.OPTD");
 	} else {
 		pcc->platform = NULL;
 	}
@@ -1113,10 +1114,10 @@ static int acpi_pcc_hotkey_remove(struct acpi_device *device)
 	i8042_remove_filter(panasonic_i8042_filter);
 
 	if (pcc->platform) {
+		pcc_unregister_optd_notifier(pcc, "\\_SB.PCI0.EHCI.ERHB.OPTD");
 		device_remove_file(&pcc->platform->dev, &dev_attr_cdpower);
 		platform_device_unregister(pcc->platform);
 	}
-	pcc_unregister_optd_notifier(pcc, "\\_SB.PCI0.EHCI.ERHB.OPTD");
 
 	sysfs_remove_group(&device->dev.kobj, &pcc_attr_group);
 
diff --git a/drivers/power/supply/axp288_charger.c b/drivers/power/supply/axp288_charger.c
index 012c8574ece21c..254d6d0da174c0 100644
--- a/drivers/power/supply/axp288_charger.c
+++ b/drivers/power/supply/axp288_charger.c
@@ -10,6 +10,7 @@
 #include <linux/acpi.h>
 #include <linux/bitops.h>
 #include <linux/module.h>
+#include <linux/devm-helpers.h>
 #include <linux/device.h>
 #include <linux/regmap.h>
 #include <linux/workqueue.h>
@@ -796,14 +797,6 @@ static int charger_init_hw_regs(struct axp288_chrg_info *info)
 	return 0;
 }
 
-static void axp288_charger_cancel_work(void *data)
-{
-	struct axp288_chrg_info *info = data;
-
-	cancel_work_sync(&info->otg.work);
-	cancel_work_sync(&info->cable.work);
-}
-
 static int axp288_charger_probe(struct platform_device *pdev)
 {
 	int ret, i, pirq;
@@ -867,12 +860,12 @@ static int axp288_charger_probe(struct platform_device *pdev)
 	}
 
 	/* Cancel our work on cleanup, register this before the notifiers */
-	ret = devm_add_action(dev, axp288_charger_cancel_work, info);
+	ret = devm_work_autocancel(dev, &info->cable.work,
+				   axp288_charger_extcon_evt_worker);
 	if (ret)
 		return ret;
 
 	/* Register for extcon notification */
-	INIT_WORK(&info->cable.work, axp288_charger_extcon_evt_worker);
 	info->cable.nb.notifier_call = axp288_charger_handle_cable_evt;
 	ret = devm_extcon_register_notifier_all(dev, info->cable.edev,
 						&info->cable.nb);
@@ -882,8 +875,12 @@ static int axp288_charger_probe(struct platform_device *pdev)
 	}
 	schedule_work(&info->cable.work);
 
+	ret = devm_work_autocancel(dev, &info->otg.work,
+				   axp288_charger_otg_evt_worker);
+	if (ret)
+		return ret;
+
 	/* Register for OTG notification */
-	INIT_WORK(&info->otg.work, axp288_charger_otg_evt_worker);
 	info->otg.id_nb.notifier_call = axp288_charger_handle_otg_evt;
 	if (info->otg.cable) {
 		ret = devm_extcon_register_notifier(dev, info->otg.cable,
diff --git a/drivers/power/supply/max17042_battery.c b/drivers/power/supply/max17042_battery.c
index 754d78b4c0aad8..ed1d8abe6d7c79 100644
--- a/drivers/power/supply/max17042_battery.c
+++ b/drivers/power/supply/max17042_battery.c
@@ -198,7 +198,7 @@ static int max17042_get_battery_health(struct max17042_chip *chip, int *health)
 		goto out;
 	}
 
-	if (vbatt > chip->pdata->vmax + MAX17042_VMAX_TOLERANCE) {
+	if (vbatt > size_add(chip->pdata->vmax, MAX17042_VMAX_TOLERANCE)) {
 		*health = POWER_SUPPLY_HEALTH_OVERVOLTAGE;
 		goto out;
 	}
diff --git a/drivers/regulator/act8945a-regulator.c b/drivers/regulator/act8945a-regulator.c
index 6a62f946ccae44..1fc1627bfb7bf9 100644
--- a/drivers/regulator/act8945a-regulator.c
+++ b/drivers/regulator/act8945a-regulator.c
@@ -302,8 +302,9 @@ static int act8945a_pmic_probe(struct platform_device *pdev)
 		num_regulators = ARRAY_SIZE(act8945a_regulators);
 	}
 
+	device_set_of_node_from_dev(&pdev->dev, pdev->dev.parent);
+
 	config.dev = &pdev->dev;
-	config.dev->of_node = pdev->dev.parent->of_node;
 	config.driver_data = act8945a;
 	for (i = 0; i < num_regulators; i++) {
 		rdev = devm_regulator_register(&pdev->dev, &regulators[i],
diff --git a/drivers/regulator/bd9571mwv-regulator.c b/drivers/regulator/bd9571mwv-regulator.c
index ba020a45f238e7..2680b7b7a0bd30 100644
--- a/drivers/regulator/bd9571mwv-regulator.c
+++ b/drivers/regulator/bd9571mwv-regulator.c
@@ -288,8 +288,9 @@ static int bd9571mwv_regulator_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, bdreg);
 
+	device_set_of_node_from_dev(&pdev->dev, pdev->dev.parent);
+
 	config.dev = &pdev->dev;
-	config.dev->of_node = pdev->dev.parent->of_node;
 	config.driver_data = bdreg;
 	config.regmap = bdreg->regmap;
 
diff --git a/drivers/regulator/max77650-regulator.c b/drivers/regulator/max77650-regulator.c
index ca08f94a368d06..f75bb44f04d5e3 100644
--- a/drivers/regulator/max77650-regulator.c
+++ b/drivers/regulator/max77650-regulator.c
@@ -339,7 +339,7 @@ static int max77650_regulator_probe(struct platform_device *pdev)
 	parent = dev->parent;
 
 	if (!dev->of_node)
-		dev->of_node = parent->of_node;
+		device_set_of_node_from_dev(dev, parent);
 
 	rdescs = devm_kcalloc(dev, MAX77650_REGULATOR_NUM_REGULATORS,
 			      sizeof(*rdescs), GFP_KERNEL);
diff --git a/drivers/rtc/rtc-abx80x.c b/drivers/rtc/rtc-abx80x.c
index 2ea6fdd2ae9849..651270e5f1e66d 100644
--- a/drivers/rtc/rtc-abx80x.c
+++ b/drivers/rtc/rtc-abx80x.c
@@ -836,6 +836,8 @@ static int abx80x_probe(struct i2c_client *client,
 			client->irq = 0;
 		}
 	}
+	if (client->irq <= 0)
+		clear_bit(RTC_FEATURE_ALARM, priv->rtc->features);
 
 	err = rtc_add_group(priv->rtc, &rtc_calib_attr_group);
 	if (err) {
diff --git a/drivers/rtc/rtc-ntxec.c b/drivers/rtc/rtc-ntxec.c
index 850ca49186fdcf..d28ddb34e19e77 100644
--- a/drivers/rtc/rtc-ntxec.c
+++ b/drivers/rtc/rtc-ntxec.c
@@ -110,7 +110,7 @@ static int ntxec_rtc_probe(struct platform_device *pdev)
 	struct rtc_device *dev;
 	struct ntxec_rtc *rtc;
 
-	pdev->dev.of_node = pdev->dev.parent->of_node;
+	device_set_of_node_from_dev(&pdev->dev, pdev->dev.parent);
 
 	rtc = devm_kzalloc(&pdev->dev, sizeof(*rtc), GFP_KERNEL);
 	if (!rtc)
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 4c3fde0bd55125..3c499136af6570 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -247,7 +247,7 @@ struct subchannel *css_alloc_subchannel(struct subchannel_id schid,
 err_lock:
 	kfree(sch->lock);
 err:
-	put_device(&sch->dev);
+	kfree(sch);
 	return ERR_PTR(ret);
 }
 
diff --git a/drivers/scsi/isci/host.c b/drivers/scsi/isci/host.c
index d690d9cf7eb15a..1ddedaf6ebbfad 100644
--- a/drivers/scsi/isci/host.c
+++ b/drivers/scsi/isci/host.c
@@ -1252,6 +1252,9 @@ void isci_host_deinit(struct isci_host *ihost)
 
 	wait_for_stop(ihost);
 
+	/* No further IRQ-driven scheduling can happen past wait_for_stop(). */
+	tasklet_kill(&ihost->completion_tasklet);
+
 	/* phy stop is after controller stop to allow port and device to
 	 * go idle before shutting down the phys, but the expectation is
 	 * that i/o has been shut off well before we reach this
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index d74bb7b42de896..18c9c1d7107fdc 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -1615,10 +1615,35 @@ sg_remove_device(struct device *cl_dev, struct class_interface *cl_intf)
 }
 
 module_param_named(scatter_elem_sz, scatter_elem_sz, int, S_IRUGO | S_IWUSR);
-module_param_named(def_reserved_size, def_reserved_size, int,
-		   S_IRUGO | S_IWUSR);
 module_param_named(allow_dio, sg_allow_dio, int, S_IRUGO | S_IWUSR);
 
+static int def_reserved_size_set(const char *val, const struct kernel_param *kp)
+{
+	int size, ret;
+
+	if (!val)
+		return -EINVAL;
+
+	ret = kstrtoint(val, 0, &size);
+	if (ret)
+		return ret;
+
+	/* limit to 1 MB */
+	if (size < 0 || size > 1048576)
+		return -ERANGE;
+
+	def_reserved_size = size;
+	return 0;
+}
+
+static const struct kernel_param_ops def_reserved_size_ops = {
+	.set	= def_reserved_size_set,
+	.get	= param_get_int,
+};
+
+module_param_cb(def_reserved_size, &def_reserved_size_ops, &def_reserved_size,
+		   S_IRUGO | S_IWUSR);
+
 MODULE_AUTHOR("Douglas Gilbert");
 MODULE_DESCRIPTION("SCSI generic (sg) driver");
 MODULE_LICENSE("GPL");
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index af210910dadf22..e23406e025dc08 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -118,7 +118,7 @@ static int sr_open(struct cdrom_device_info *, int);
 static void sr_release(struct cdrom_device_info *);
 
 static void get_sectorsize(struct scsi_cd *);
-static void get_capabilities(struct scsi_cd *);
+static int get_capabilities(struct scsi_cd *);
 
 static unsigned int sr_check_events(struct cdrom_device_info *cdi,
 				    unsigned int clearing, int slot);
@@ -431,7 +431,7 @@ static blk_status_t sr_init_command(struct scsi_cmnd *SCpnt)
 
 	switch (req_op(rq)) {
 	case REQ_OP_WRITE:
-		if (!cd->writeable)
+		if (get_disk_ro(cd->disk))
 			goto out;
 		SCpnt->cmnd[0] = WRITE_10;
 		cd->cdi.media_written = 1;
@@ -710,8 +710,10 @@ static int sr_probe(struct device *dev)
 
 	sdev->sector_size = 2048;	/* A guess, just in case */
 
-	/* FIXME: need to handle a get_capabilities failure properly ?? */
-	get_capabilities(cd);
+	error = -ENOMEM;
+	if (get_capabilities(cd))
+		goto fail_minor;
+	cdrom_probe_write_features(&cd->cdi);
 	sr_vendor_init(cd);
 
 	set_capacity(disk, cd->capacity);
@@ -831,7 +833,7 @@ static void get_sectorsize(struct scsi_cd *cd)
 	return;
 }
 
-static void get_capabilities(struct scsi_cd *cd)
+static int get_capabilities(struct scsi_cd *cd)
 {
 	unsigned char *buffer;
 	struct scsi_mode_data data;
@@ -856,7 +858,7 @@ static void get_capabilities(struct scsi_cd *cd)
 	buffer = kmalloc(512, GFP_KERNEL);
 	if (!buffer) {
 		sr_printk(KERN_ERR, cd, "out of memory.\n");
-		return;
+		return -ENOMEM;
 	}
 
 	/* eat unit attentions */
@@ -876,7 +878,7 @@ static void get_capabilities(struct scsi_cd *cd)
 				 CDC_MRW | CDC_MRW_W | CDC_RAM);
 		kfree(buffer);
 		sr_printk(KERN_INFO, cd, "scsi-1 drive");
-		return;
+		return 0;
 	}
 
 	n = data.header_length + data.block_descriptor_length;
@@ -926,15 +928,8 @@ static void get_capabilities(struct scsi_cd *cd)
 	/*else    I don't think it can close its tray
 		cd->cdi.mask |= CDC_CLOSE_TRAY; */
 
-	/*
-	 * if DVD-RAM, MRW-W or CD-RW, we are randomly writable
-	 */
-	if ((cd->cdi.mask & (CDC_DVD_RAM | CDC_MRW_W | CDC_RAM | CDC_CD_RW)) !=
-			(CDC_DVD_RAM | CDC_MRW_W | CDC_RAM | CDC_CD_RW)) {
-		cd->writeable = 1;
-	}
-
 	kfree(buffer);
+	return 0;
 }
 
 /*
diff --git a/drivers/scsi/sr.h b/drivers/scsi/sr.h
index 339c624e04d860..ea8a69b04da532 100644
--- a/drivers/scsi/sr.h
+++ b/drivers/scsi/sr.h
@@ -38,7 +38,6 @@ typedef struct scsi_cd {
 	struct scsi_device *device;
 	unsigned int vendor;	/* vendor code, see sr_vendor.c         */
 	unsigned long ms_offset;	/* for reading multisession-CD's        */
-	unsigned writeable : 1;
 	unsigned use:1;		/* is this device still supportable     */
 	unsigned xa_flag:1;	/* CD has XA sectors ? */
 	unsigned readcd_known:1;	/* drive supports READ_CD (0xbe) */
diff --git a/drivers/scsi/ufs/ufshcd-pci.c b/drivers/scsi/ufs/ufshcd-pci.c
index ec483ece09b6c5..351e6915c33c40 100644
--- a/drivers/scsi/ufs/ufshcd-pci.c
+++ b/drivers/scsi/ufs/ufshcd-pci.c
@@ -554,7 +554,6 @@ static void ufshcd_pci_remove(struct pci_dev *pdev)
 	pm_runtime_forbid(&pdev->dev);
 	pm_runtime_get_noresume(&pdev->dev);
 	ufshcd_remove(hba);
-	ufshcd_dealloc_host(hba);
 }
 
 /**
@@ -599,7 +598,6 @@ ufshcd_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 	err = ufshcd_init(hba, mmio_base, pdev->irq);
 	if (err) {
 		dev_err(&pdev->dev, "Initialization failed\n");
-		ufshcd_dealloc_host(hba);
 		return err;
 	}
 
diff --git a/drivers/scsi/ufs/ufshcd-pltfrm.c b/drivers/scsi/ufs/ufshcd-pltfrm.c
index adc302b1a57aee..c254d5f697fc30 100644
--- a/drivers/scsi/ufs/ufshcd-pltfrm.c
+++ b/drivers/scsi/ufs/ufshcd-pltfrm.c
@@ -339,21 +339,17 @@ int ufshcd_pltfrm_init(struct platform_device *pdev,
 	struct device *dev = &pdev->dev;
 
 	mmio_base = devm_platform_ioremap_resource(pdev, 0);
-	if (IS_ERR(mmio_base)) {
-		err = PTR_ERR(mmio_base);
-		goto out;
-	}
+	if (IS_ERR(mmio_base))
+		return PTR_ERR(mmio_base);
 
 	irq = platform_get_irq(pdev, 0);
-	if (irq < 0) {
-		err = irq;
-		goto out;
-	}
+	if (irq < 0)
+		return irq;
 
 	err = ufshcd_alloc_host(dev, &hba);
 	if (err) {
 		dev_err(&pdev->dev, "Allocation failed\n");
-		goto out;
+		return err;
 	}
 
 	hba->vops = vops;
@@ -362,13 +358,13 @@ int ufshcd_pltfrm_init(struct platform_device *pdev,
 	if (err) {
 		dev_err(&pdev->dev, "%s: clock parse failed %d\n",
 				__func__, err);
-		goto dealloc_host;
+		return err;
 	}
 	err = ufshcd_parse_regulator_info(hba);
 	if (err) {
 		dev_err(&pdev->dev, "%s: regulator init failed %d\n",
 				__func__, err);
-		goto dealloc_host;
+		return err;
 	}
 
 	ufshcd_init_lanes_per_dir(hba);
@@ -376,18 +372,13 @@ int ufshcd_pltfrm_init(struct platform_device *pdev,
 	err = ufshcd_init(hba, mmio_base, irq);
 	if (err) {
 		dev_err(dev, "Initialization failed\n");
-		goto dealloc_host;
+		return err;
 	}
 
 	pm_runtime_set_active(&pdev->dev);
 	pm_runtime_enable(&pdev->dev);
 
 	return 0;
-
-dealloc_host:
-	ufshcd_dealloc_host(hba);
-out:
-	return err;
 }
 EXPORT_SYMBOL_GPL(ufshcd_pltfrm_init);
 
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 55eaf04d75932a..637607868f554c 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -9322,16 +9322,6 @@ void ufshcd_remove(struct ufs_hba *hba)
 }
 EXPORT_SYMBOL_GPL(ufshcd_remove);
 
-/**
- * ufshcd_dealloc_host - deallocate Host Bus Adapter (HBA)
- * @hba: pointer to Host Bus Adapter (HBA)
- */
-void ufshcd_dealloc_host(struct ufs_hba *hba)
-{
-	scsi_host_put(hba->host);
-}
-EXPORT_SYMBOL_GPL(ufshcd_dealloc_host);
-
 /**
  * ufshcd_set_dma_mask - Set dma mask based on the controller
  *			 addressing capability
@@ -9348,11 +9338,25 @@ static int ufshcd_set_dma_mask(struct ufs_hba *hba)
 	return dma_set_mask_and_coherent(hba->dev, DMA_BIT_MASK(32));
 }
 
+/**
+ * ufshcd_devres_release - devres cleanup handler, invoked during release of
+ *			   hba->dev
+ * @host: pointer to SCSI host
+ */
+static void ufshcd_devres_release(void *host)
+{
+	scsi_host_put(host);
+}
+
 /**
  * ufshcd_alloc_host - allocate Host Bus Adapter (HBA)
  * @dev: pointer to device handle
  * @hba_handle: driver private handle
  * Returns 0 on success, non-zero value on failure
+ *
+ * NOTE: There is no corresponding ufshcd_dealloc_host() because this function
+ * keeps track of its allocations using devres and deallocates everything on
+ * device removal automatically.
  */
 int ufshcd_alloc_host(struct device *dev, struct ufs_hba **hba_handle)
 {
@@ -9374,6 +9378,13 @@ int ufshcd_alloc_host(struct device *dev, struct ufs_hba **hba_handle)
 		err = -ENOMEM;
 		goto out_error;
 	}
+
+	err = devm_add_action_or_reset(dev, ufshcd_devres_release,
+				       host);
+	if (err)
+		return dev_err_probe(dev, err,
+				     "failed to add ufshcd dealloc action\n");
+
 	hba = shost_priv(host);
 	hba->host = host;
 	hba->dev = dev;
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
index c8513cc6c2bdd2..3ceac158c7f36f 100644
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h
@@ -1001,7 +1001,6 @@ static inline void ufshcd_rmwl(struct ufs_hba *hba, u32 mask, u32 val, u32 reg)
 }
 
 int ufshcd_alloc_host(struct device *, struct ufs_hba **);
-void ufshcd_dealloc_host(struct ufs_hba *);
 int ufshcd_hba_enable(struct ufs_hba *hba);
 int ufshcd_init(struct ufs_hba *, void __iomem *, unsigned int);
 int ufshcd_link_recovery(struct ufs_hba *hba);
diff --git a/drivers/soc/aspeed/aspeed-socinfo.c b/drivers/soc/aspeed/aspeed-socinfo.c
index 67e9ac3d08ecc8..a90b100f4d101b 100644
--- a/drivers/soc/aspeed/aspeed-socinfo.c
+++ b/drivers/soc/aspeed/aspeed-socinfo.c
@@ -39,7 +39,7 @@ static const char *siliconid_to_name(u32 siliconid)
 	unsigned int i;
 
 	for (i = 0 ; i < ARRAY_SIZE(rev_table) ; ++i) {
-		if (rev_table[i].id == id)
+		if ((rev_table[i].id & 0xff00ffff) == id)
 			return rev_table[i].name;
 	}
 
diff --git a/drivers/soc/qcom/ocmem.c b/drivers/soc/qcom/ocmem.c
index bfebdcaf881462..1ece9780e555ee 100644
--- a/drivers/soc/qcom/ocmem.c
+++ b/drivers/soc/qcom/ocmem.c
@@ -192,30 +192,26 @@ static void update_range(struct ocmem *ocmem, struct ocmem_buf *buf,
 struct ocmem *of_get_ocmem(struct device *dev)
 {
 	struct platform_device *pdev;
-	struct device_node *devnode;
 	struct ocmem *ocmem;
 
-	devnode = of_parse_phandle(dev->of_node, "sram", 0);
+	struct device_node *devnode __free(device_node) = of_parse_phandle(dev->of_node,
+									   "sram", 0);
 	if (!devnode || !devnode->parent) {
 		dev_err(dev, "Cannot look up sram phandle\n");
-		of_node_put(devnode);
 		return ERR_PTR(-ENODEV);
 	}
 
 	pdev = of_find_device_by_node(devnode->parent);
-	if (!pdev) {
-		dev_err(dev, "Cannot find device node %s\n", devnode->name);
-		of_node_put(devnode);
-		return ERR_PTR(-EPROBE_DEFER);
-	}
-	of_node_put(devnode);
+	if (!pdev)
+		return dev_err_ptr_probe(dev, -EPROBE_DEFER,
+					 "Cannot find device node %s\n",
+					 devnode->name);
 
 	ocmem = platform_get_drvdata(pdev);
 	put_device(&pdev->dev);
-	if (!ocmem) {
-		dev_err(dev, "Cannot get ocmem\n");
-		return ERR_PTR(-ENODEV);
-	}
+	if (!ocmem)
+		return dev_err_ptr_probe(dev, -EPROBE_DEFER, "Cannot get ocmem\n");
+
 	return ocmem;
 }
 EXPORT_SYMBOL(of_get_ocmem);
diff --git a/drivers/soc/qcom/qcom_aoss.c b/drivers/soc/qcom/qcom_aoss.c
index 3973accdc9820f..dbef3b27e594a4 100644
--- a/drivers/soc/qcom/qcom_aoss.c
+++ b/drivers/soc/qcom/qcom_aoss.c
@@ -436,7 +436,7 @@ static int qmp_cdev_set_cur_state(struct thermal_cooling_device *cdev,
 	/* Normalize state */
 	cdev_state = !!state;
 
-	if (qmp_cdev->state == state)
+	if (qmp_cdev->state == cdev_state)
 		return 0;
 
 	snprintf(buf, sizeof(buf),
diff --git a/drivers/soc/ti/omap_prm.c b/drivers/soc/ti/omap_prm.c
index 544e57fff96caa..f3e5eb8232314d 100644
--- a/drivers/soc/ti/omap_prm.c
+++ b/drivers/soc/ti/omap_prm.c
@@ -656,6 +656,7 @@ static int omap_prm_domain_attach_dev(struct generic_pm_domain *domain,
 	if (pd_args.args_count != 0)
 		dev_warn(dev, "%s: unusupported #power-domain-cells: %i\n",
 			 prmd->pd.name, pd_args.args_count);
+	of_node_put(pd_args.np);
 
 	genpd_data = dev_gpd_data(dev);
 	genpd_data->data = NULL;
diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c
index 91fdc9132b962f..260d4a5848dd4d 100644
--- a/drivers/spi/spi-cadence-quadspi.c
+++ b/drivers/spi/spi-cadence-quadspi.c
@@ -85,6 +85,8 @@ struct cqspi_st {
 	bool			use_direct_mode;
 	struct cqspi_flash_pdata f_pdata[CQSPI_MAX_CHIPSELECT];
 	bool			wr_completion;
+	refcount_t		refcount;
+	refcount_t		inflight_ops;
 };
 
 struct cqspi_driver_platdata {
@@ -684,6 +686,9 @@ static int cqspi_indirect_read_execute(struct cqspi_flash_pdata *f_pdata,
 	u8 *rxbuf_end = rxbuf + n_rx;
 	int ret = 0;
 
+	if (!refcount_read(&cqspi->refcount))
+		return -ENODEV;
+
 	writel(from_addr, reg_base + CQSPI_REG_INDIRECTRDSTARTADDR);
 	writel(remaining, reg_base + CQSPI_REG_INDIRECTRDBYTES);
 
@@ -826,6 +831,9 @@ static int cqspi_indirect_write_execute(struct cqspi_flash_pdata *f_pdata,
 	unsigned int write_bytes;
 	int ret;
 
+	if (!refcount_read(&cqspi->refcount))
+		return -ENODEV;
+
 	writel(to_addr, reg_base + CQSPI_REG_INDIRECTWRSTARTADDR);
 	writel(remaining, reg_base + CQSPI_REG_INDIRECTWRBYTES);
 
@@ -1210,11 +1218,29 @@ static int cqspi_mem_process(struct spi_mem *mem, const struct spi_mem_op *op)
 static int cqspi_exec_mem_op(struct spi_mem *mem, const struct spi_mem_op *op)
 {
 	int ret;
+	struct cqspi_st *cqspi = spi_controller_get_devdata(mem->spi->controller);
+
+	if (refcount_read(&cqspi->inflight_ops) == 0)
+		return -ENODEV;
+
+	if (!refcount_read(&cqspi->refcount))
+		return -EBUSY;
+
+	refcount_inc(&cqspi->inflight_ops);
+
+	if (!refcount_read(&cqspi->refcount)) {
+		if (refcount_read(&cqspi->inflight_ops))
+			refcount_dec(&cqspi->inflight_ops);
+		return -EBUSY;
+	}
 
 	ret = cqspi_mem_process(mem, op);
 	if (ret)
 		dev_err(&mem->spi->dev, "operation failed with %d\n", ret);
 
+	if (refcount_read(&cqspi->inflight_ops) > 1)
+		refcount_dec(&cqspi->inflight_ops);
+
 	return ret;
 }
 
@@ -1564,6 +1590,9 @@ static int cqspi_probe(struct platform_device *pdev)
 			cqspi->wr_completion = false;
 	}
 
+	refcount_set(&cqspi->refcount, 1);
+	refcount_set(&cqspi->inflight_ops, 1);
+
 	ret = devm_request_irq(dev, irq, cqspi_irq_handler, 0,
 			       pdev->name, cqspi);
 	if (ret) {
@@ -1613,6 +1642,11 @@ static int cqspi_remove(struct platform_device *pdev)
 {
 	struct cqspi_st *cqspi = platform_get_drvdata(pdev);
 
+	refcount_set(&cqspi->refcount, 0);
+
+	if (!refcount_dec_and_test(&cqspi->inflight_ops))
+		cqspi_wait_idle(cqspi);
+
 	cqspi_controller_enable(cqspi, 0);
 
 	if (cqspi->rx_chan)
diff --git a/drivers/spi/spi-fsl-qspi.c b/drivers/spi/spi-fsl-qspi.c
index 46ae46a944c5ce..2ff26027aafd23 100644
--- a/drivers/spi/spi-fsl-qspi.c
+++ b/drivers/spi/spi-fsl-qspi.c
@@ -607,7 +607,7 @@ static int fsl_qspi_do_op(struct fsl_qspi *q, const struct spi_mem_op *op)
 	void __iomem *base = q->iobase;
 	int err = 0;
 
-	init_completion(&q->c);
+	reinit_completion(&q->c);
 
 	/*
 	 * Always start the sequence at the same index since we update
@@ -913,6 +913,7 @@ static int fsl_qspi_probe(struct platform_device *pdev)
 	if (ret < 0)
 		goto err_disable_clk;
 
+	init_completion(&q->c);
 	ret = devm_request_irq(dev, ret,
 			fsl_qspi_irq_handler, 0, pdev->name, q);
 	if (ret) {
diff --git a/drivers/spi/spi-hisi-kunpeng.c b/drivers/spi/spi-hisi-kunpeng.c
index 54730e93fba45a..06c8893243b7d7 100644
--- a/drivers/spi/spi-hisi-kunpeng.c
+++ b/drivers/spi/spi-hisi-kunpeng.c
@@ -198,8 +198,18 @@ static void hisi_spi_flush_fifo(struct hisi_spi *hs)
 	unsigned long limit = loops_per_jiffy << 1;
 
 	do {
-		while (hisi_spi_rx_not_empty(hs))
+		unsigned long inner_limit = loops_per_jiffy;
+
+		while (hisi_spi_rx_not_empty(hs) && --inner_limit) {
 			readl(hs->regs + HISI_SPI_DOUT);
+			cpu_relax();
+		}
+
+		if (!inner_limit) {
+			dev_warn_ratelimited(hs->dev, "RX FIFO flush timeout\n");
+			break;
+		}
+
 	} while (hisi_spi_busy(hs) && limit--);
 }
 
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index bcc31951a99253..6391c392717ed0 100644
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -1769,6 +1769,7 @@ out_bitbang_start:
 out_runtime_pm_put:
 	pm_runtime_dont_use_autosuspend(spi_imx->dev);
 	pm_runtime_disable(spi_imx->dev);
+	pm_runtime_put_noidle(spi_imx->dev);
 	pm_runtime_set_suspended(&pdev->dev);
 
 	clk_disable_unprepare(spi_imx->clk_ipg);
diff --git a/drivers/spi/spi-meson-spicc.c b/drivers/spi/spi-meson-spicc.c
index 6974a1c947aad6..ae818e7df79198 100644
--- a/drivers/spi/spi-meson-spicc.c
+++ b/drivers/spi/spi-meson-spicc.c
@@ -863,8 +863,6 @@ static int meson_spicc_remove(struct platform_device *pdev)
 	clk_disable_unprepare(spicc->core);
 	clk_disable_unprepare(spicc->pclk);
 
-	spi_master_put(spicc->master);
-
 	return 0;
 }
 
diff --git a/drivers/spi/spi-mpc52xx.c b/drivers/spi/spi-mpc52xx.c
index fa49e899f2b2e3..8c806d9221985f 100644
--- a/drivers/spi/spi-mpc52xx.c
+++ b/drivers/spi/spi-mpc52xx.c
@@ -521,10 +521,11 @@ static int mpc52xx_spi_remove(struct platform_device *op)
 	struct mpc52xx_spi *ms = spi_master_get_devdata(master);
 	int i;
 
-	cancel_work_sync(&ms->work);
 	free_irq(ms->irq0, ms);
 	free_irq(ms->irq1, ms);
 
+	cancel_work_sync(&ms->work);
+
 	for (i = 0; i < ms->gpio_cs_count; i++)
 		gpio_free(ms->gpio_cs[i]);
 
diff --git a/drivers/spi/spi-mtk-nor.c b/drivers/spi/spi-mtk-nor.c
index 6d203477c04b12..36584d1f0e8351 100644
--- a/drivers/spi/spi-mtk-nor.c
+++ b/drivers/spi/spi-mtk-nor.c
@@ -849,7 +849,7 @@ static int mtk_nor_probe(struct platform_device *pdev)
 	pm_runtime_enable(&pdev->dev);
 	pm_runtime_get_noresume(&pdev->dev);
 
-	ret = devm_spi_register_controller(&pdev->dev, ctlr);
+	ret = spi_register_controller(ctlr);
 	if (ret < 0)
 		goto err_probe;
 
@@ -875,6 +875,8 @@ static int mtk_nor_remove(struct platform_device *pdev)
 	struct spi_controller *ctlr = dev_get_drvdata(&pdev->dev);
 	struct mtk_nor *sp = spi_controller_get_devdata(ctlr);
 
+	spi_unregister_controller(ctlr);
+
 	pm_runtime_disable(&pdev->dev);
 	pm_runtime_set_suspended(&pdev->dev);
 	pm_runtime_dont_use_autosuspend(&pdev->dev);
diff --git a/drivers/spi/spi-orion.c b/drivers/spi/spi-orion.c
index e8de3cbbfb2acd..1e921895201140 100644
--- a/drivers/spi/spi-orion.c
+++ b/drivers/spi/spi-orion.c
@@ -779,6 +779,7 @@ static int orion_spi_probe(struct platform_device *pdev)
 	pm_runtime_set_active(&pdev->dev);
 	pm_runtime_use_autosuspend(&pdev->dev);
 	pm_runtime_set_autosuspend_delay(&pdev->dev, SPI_AUTOSUSPEND_TIMEOUT);
+	pm_runtime_get_noresume(&pdev->dev);
 	pm_runtime_enable(&pdev->dev);
 
 	status = orion_spi_reset(spi);
@@ -790,10 +791,15 @@ static int orion_spi_probe(struct platform_device *pdev)
 	if (status < 0)
 		goto out_rel_pm;
 
+	pm_runtime_put_autosuspend(&pdev->dev);
+
 	return status;
 
 out_rel_pm:
 	pm_runtime_disable(&pdev->dev);
+	pm_runtime_put_noidle(&pdev->dev);
+	pm_runtime_set_suspended(&pdev->dev);
+	pm_runtime_dont_use_autosuspend(&pdev->dev);
 out_rel_axi_clk:
 	clk_disable_unprepare(spi->axi_clk);
 out_rel_clk:
diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c
index b721b62118e12c..7b0882291c6ba0 100644
--- a/drivers/spi/spi-rockchip.c
+++ b/drivers/spi/spi-rockchip.c
@@ -917,7 +917,7 @@ static int rockchip_spi_probe(struct platform_device *pdev)
 		break;
 	}
 
-	ret = devm_spi_register_controller(&pdev->dev, ctlr);
+	ret = spi_register_controller(ctlr);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "Failed to register controller\n");
 		goto err_free_dma_rx;
@@ -953,6 +953,8 @@ static int rockchip_spi_remove(struct platform_device *pdev)
 	clk_disable_unprepare(rs->spiclk);
 	clk_disable_unprepare(rs->apb_pclk);
 
+	spi_unregister_controller(ctlr);
+
 	pm_runtime_put_noidle(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);
 	pm_runtime_set_suspended(&pdev->dev);
diff --git a/drivers/spi/spi-sprd.c b/drivers/spi/spi-sprd.c
index 28e70db9bbba85..12c09989bf1507 100644
--- a/drivers/spi/spi-sprd.c
+++ b/drivers/spi/spi-sprd.c
@@ -995,7 +995,8 @@ err_rpm_put:
 disable_clk:
 	clk_disable_unprepare(ss->clk);
 release_dma:
-	sprd_spi_dma_release(ss);
+	if (ss->dma.enable)
+		sprd_spi_dma_release(ss);
 free_controller:
 	spi_controller_put(sctlr);
 
diff --git a/drivers/spi/spi-ti-qspi.c b/drivers/spi/spi-ti-qspi.c
index 081da1fd3fd7ef..cefe525d1fd06e 100644
--- a/drivers/spi/spi-ti-qspi.c
+++ b/drivers/spi/spi-ti-qspi.c
@@ -873,6 +873,7 @@ static int ti_qspi_probe(struct platform_device *pdev)
 		dev_err(qspi->dev,
 			"dma_alloc_coherent failed, using PIO mode\n");
 		dma_release_channel(qspi->rx_chan);
+		qspi->rx_chan = NULL;
 		goto no_dma;
 	}
 	master->dma_rx = qspi->rx_chan;
diff --git a/drivers/spi/spi-topcliff-pch.c b/drivers/spi/spi-topcliff-pch.c
index 8c4615b7633987..cd2af4c0ba1d39 100644
--- a/drivers/spi/spi-topcliff-pch.c
+++ b/drivers/spi/spi-topcliff-pch.c
@@ -1427,9 +1427,6 @@ static int pch_spi_pd_remove(struct platform_device *plat_dev)
 	dev_dbg(&plat_dev->dev, "%s:[ch%d] irq=%d\n",
 		__func__, plat_dev->id, board_dat->pdev->irq);
 
-	if (use_dma)
-		pch_free_dma_buf(board_dat, data);
-
 	/* check for any pending messages; no action is taken if the queue
 	 * is still full; but at least we tried.  Unload anyway */
 	count = 500;
@@ -1453,6 +1450,9 @@ static int pch_spi_pd_remove(struct platform_device *plat_dev)
 		free_irq(board_dat->pdev->irq, data);
 	}
 
+	if (use_dma)
+		pch_free_dma_buf(board_dat, data);
+
 	pci_iounmap(board_dat->pdev, data->io_remap_addr);
 	spi_unregister_master(data->master);
 
diff --git a/drivers/spi/spi-zynqmp-gqspi.c b/drivers/spi/spi-zynqmp-gqspi.c
index 77aef2a2656156..90060e5a314c17 100644
--- a/drivers/spi/spi-zynqmp-gqspi.c
+++ b/drivers/spi/spi-zynqmp-gqspi.c
@@ -1183,7 +1183,7 @@ static int zynqmp_qspi_probe(struct platform_device *pdev)
 	ctlr->dev.of_node = np;
 	ctlr->auto_runtime_pm = true;
 
-	ret = devm_spi_register_controller(&pdev->dev, ctlr);
+	ret = spi_register_controller(ctlr);
 	if (ret) {
 		dev_err(&pdev->dev, "spi_register_controller failed\n");
 		goto clk_dis_all;
@@ -1224,6 +1224,8 @@ static void zynqmp_qspi_remove(struct platform_device *pdev)
 
 	pm_runtime_get_sync(&pdev->dev);
 
+	spi_unregister_controller(xqspi->ctlr);
+
 	zynqmp_gqspi_write(xqspi, GQSPI_EN_OFST, 0x0);
 
 	pm_runtime_disable(&pdev->dev);
diff --git a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c
index b7dda4b96d49ca..92183b8191a9b3 100644
--- a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c
+++ b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c
@@ -2865,6 +2865,10 @@ static long atomisp_vidioc_default(struct file *file, void *fh,
 	bool acc_node;
 	int err;
 
+	/* Disable all private IOCTLs for now! */
+	if (cmd)
+		return -EINVAL;
+
 	acc_node = !strcmp(vdev->name, "ATOMISP ISP ACC");
 	if (acc_node)
 		asd = atomisp_to_acc_pipe(vdev)->asd;
diff --git a/drivers/staging/rtl8723bs/core/rtw_security.c b/drivers/staging/rtl8723bs/core/rtw_security.c
index 904beca2c02db8..a36f4318c9a706 100644
--- a/drivers/staging/rtl8723bs/core/rtw_security.c
+++ b/drivers/staging/rtl8723bs/core/rtw_security.c
@@ -1364,7 +1364,7 @@ u32 rtw_BIP_verify(struct adapter *padapter, u8 *precvframe)
 	u8 mic[16];
 	struct mlme_ext_priv *pmlmeext = &padapter->mlmeextpriv;
 	__le16 le_tmp;
-	__le64 le_tmp64;
+	__le64 le_tmp64 = 0;
 
 	ori_len = pattrib->pkt_len-WLAN_HDR_A3_LEN+BIP_AAD_SIZE;
 	BIP_AAD = rtw_zmalloc(ori_len);
diff --git a/drivers/staging/sm750fb/sm750.c b/drivers/staging/sm750fb/sm750.c
index dbd1159a2ef0a4..d0260fd9352727 100644
--- a/drivers/staging/sm750fb/sm750.c
+++ b/drivers/staging/sm750fb/sm750.c
@@ -482,6 +482,9 @@ static int lynxfb_ops_check_var(struct fb_var_screeninfo *var,
 	struct lynxfb_crtc *crtc;
 	resource_size_t request;
 
+	if (!var->pixclock)
+		return -EINVAL;
+
 	ret = 0;
 	par = info->par;
 	crtc = &par->crtc;
diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c
index 120c19e41012b4..8b6b1216cf07c5 100644
--- a/drivers/target/target_core_configfs.c
+++ b/drivers/target/target_core_configfs.c
@@ -3078,7 +3078,7 @@ static ssize_t target_tg_pt_gp_members_show(struct config_item *item,
 			config_item_name(&lun->lun_group.cg_item));
 		cur_len++; /* Extra byte for NULL terminator */
 
-		if ((cur_len + len) > PAGE_SIZE) {
+		if (cur_len > TG_PT_GROUP_NAME_BUF || (cur_len + len) > PAGE_SIZE) {
 			pr_warn("Ran out of lu_gp_show_attr"
 				"_members buffer\n");
 			break;
diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c
index f6132836eb387a..2d76f2f4559423 100644
--- a/drivers/target/target_core_sbc.c
+++ b/drivers/target/target_core_sbc.c
@@ -1232,7 +1232,8 @@ sbc_execute_unmap(struct se_cmd *cmd)
 			goto err;
 		}
 
-		if (lba + range > dev->transport->get_blocks(dev) + 1) {
+		if (lba + range < lba ||
+		    lba + range > dev->transport->get_blocks(dev) + 1) {
 			ret = TCM_ADDRESS_OUT_OF_RANGE;
 			goto err;
 		}
diff --git a/drivers/thermal/spear_thermal.c b/drivers/thermal/spear_thermal.c
index ee33ed692e4f7e..42d8736d5ba491 100644
--- a/drivers/thermal/spear_thermal.c
+++ b/drivers/thermal/spear_thermal.c
@@ -94,7 +94,7 @@ static int spear_thermal_probe(struct platform_device *pdev)
 	struct resource *res;
 	int ret = 0, val;
 
-	if (!np || !of_property_read_u32(np, "st,thermal-flags", &val)) {
+	if (!np || of_property_read_u32(np, "st,thermal-flags", &val)) {
 		dev_err(&pdev->dev, "Failed: DT Pdata not passed\n");
 		return -EINVAL;
 	}
diff --git a/drivers/thermal/sprd_thermal.c b/drivers/thermal/sprd_thermal.c
index fff80fc1800284..2dd54b72ab0b88 100644
--- a/drivers/thermal/sprd_thermal.c
+++ b/drivers/thermal/sprd_thermal.c
@@ -178,7 +178,7 @@ static int sprd_thm_sensor_calibration(struct device_node *np,
 static int sprd_thm_rawdata_to_temp(struct sprd_thermal_sensor *sen,
 				    u32 rawdata)
 {
-	clamp(rawdata, (u32)SPRD_THM_RAW_DATA_LOW, (u32)SPRD_THM_RAW_DATA_HIGH);
+	rawdata = clamp(rawdata, SPRD_THM_RAW_DATA_LOW, SPRD_THM_RAW_DATA_HIGH);
 
 	/*
 	 * According to the thermal datasheet, the formula of converting
@@ -192,7 +192,7 @@ static int sprd_thm_temp_to_rawdata(int temp, struct sprd_thermal_sensor *sen)
 {
 	u32 val;
 
-	clamp(temp, (int)SPRD_THM_TEMP_LOW, (int)SPRD_THM_TEMP_HIGH);
+	temp = clamp(temp, SPRD_THM_TEMP_LOW, SPRD_THM_TEMP_HIGH);
 
 	/*
 	 * According to the thermal datasheet, the formula of converting
diff --git a/drivers/tty/hvc/hvc_iucv.c b/drivers/tty/hvc/hvc_iucv.c
index 32366caca6623e..9551269e106a49 100644
--- a/drivers/tty/hvc/hvc_iucv.c
+++ b/drivers/tty/hvc/hvc_iucv.c
@@ -29,7 +29,6 @@
 
 
 /* General device driver settings */
-#define HVC_IUCV_MAGIC		0xc9e4c3e5
 #define MAX_HVC_IUCV_LINES	HVC_ALLOC_TTY_ADAPTERS
 #define MEMPOOL_MIN_NR		(PAGE_SIZE / sizeof(struct iucv_tty_buffer)/4)
 
@@ -131,9 +130,9 @@ static struct iucv_handler hvc_iucv_handler = {
  */
 static struct hvc_iucv_private *hvc_iucv_get_private(uint32_t num)
 {
-	if ((num < HVC_IUCV_MAGIC) || (num - HVC_IUCV_MAGIC > hvc_iucv_devices))
+	if (num >= hvc_iucv_devices)
 		return NULL;
-	return hvc_iucv_table[num - HVC_IUCV_MAGIC];
+	return hvc_iucv_table[num];
 }
 
 /**
@@ -1072,8 +1071,8 @@ static int __init hvc_iucv_alloc(int id, unsigned int is_console)
 	priv->is_console = is_console;
 
 	/* allocate hvc device */
-	priv->hvc = hvc_alloc(HVC_IUCV_MAGIC + id, /*		  PAGE_SIZE */
-			      HVC_IUCV_MAGIC + id, &hvc_iucv_ops, 256);
+	priv->hvc = hvc_alloc(id, /*		 PAGE_SIZE */
+			      id, &hvc_iucv_ops, 256);
 	if (IS_ERR(priv->hvc)) {
 		rc = PTR_ERR(priv->hvc);
 		goto out_error_hvc;
@@ -1371,7 +1370,7 @@ static int __init hvc_iucv_init(void)
 
 	/* register the first terminal device as console
 	 * (must be done before allocating hvc terminal devices) */
-	rc = hvc_instantiate(HVC_IUCV_MAGIC, IUCV_HVC_CON_IDX, &hvc_iucv_ops);
+	rc = hvc_instantiate(0, IUCV_HVC_CON_IDX, &hvc_iucv_ops);
 	if (rc) {
 		pr_err("Registering HVC terminal device as "
 		       "Linux console failed\n");
diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index aae9f73585bd68..934c57a7752235 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -5,6 +5,14 @@
  *
  *	* THIS IS A DEVELOPMENT SNAPSHOT IT IS NOT A FINAL RELEASE *
  *
+ * Outgoing path:
+ * tty -> DLCI fifo -> scheduler -> GSM MUX data queue    ---o-> ldisc
+ * control message               -> GSM MUX control queue --´
+ *
+ * Incoming path:
+ * ldisc -> gsm_queue() -o--> tty
+ *                        `-> gsm_control_response()
+ *
  * TO DO:
  *	Mostly done:	ioctls for setting modes/timing
  *	Partly done:	hooks so you can pull off frames to non tty devs
@@ -212,6 +220,9 @@ struct gsm_mux {
 	/* Events on the GSM channel */
 	wait_queue_head_t event;
 
+	/* ldisc send work */
+	struct work_struct tx_work;
+
 	/* Bits for GSM mode decoding */
 
 	/* Framing Layer */
@@ -243,7 +254,8 @@ struct gsm_mux {
 	unsigned int tx_bytes;		/* TX data outstanding */
 #define TX_THRESH_HI		8192
 #define TX_THRESH_LO		2048
-	struct list_head tx_list;	/* Pending data packets */
+	struct list_head tx_ctrl_list;	/* Pending control packets */
+	struct list_head tx_data_list;	/* Pending data packets */
 
 	/* Control messages */
 	struct timer_list kick_timer;	/* Kick TX queuing on timeout */
@@ -377,6 +389,11 @@ static const u8 gsm_fcs8[256] = {
 
 static int gsmld_output(struct gsm_mux *gsm, u8 *data, int len);
 static int gsm_modem_update(struct gsm_dlci *dlci, u8 brk);
+static struct gsm_msg *gsm_data_alloc(struct gsm_mux *gsm, u8 addr, int len,
+								u8 ctrl);
+static int gsm_send_packet(struct gsm_mux *gsm, struct gsm_msg *msg);
+static void gsmld_write_trigger(struct gsm_mux *gsm);
+static void gsmld_write_task(struct work_struct *work);
 
 /**
  *	gsm_fcs_add	-	update FCS
@@ -661,53 +678,73 @@ static int gsm_stuff_frame(const u8 *input, u8 *output, int len)
  *	@cr: command/response bit seen as initiator
  *	@control:  control byte including PF bit
  *
- *	Format up and transmit a control frame. These do not go via the
- *	queueing logic as they should be transmitted ahead of data when
- *	they are needed.
- *
- *	FIXME: Lock versus data TX path
+ *	Format up and transmit a control frame. These should be transmitted
+ *	ahead of data when they are needed.
  */
-
-static void gsm_send(struct gsm_mux *gsm, int addr, int cr, int control)
+static int gsm_send(struct gsm_mux *gsm, int addr, int cr, int control)
 {
-	int len;
-	u8 cbuf[10];
-	u8 ibuf[3];
+	struct gsm_msg *msg;
+	u8 *dp;
 	int ocr;
+	unsigned long flags;
+
+	msg = gsm_data_alloc(gsm, addr, 0, control);
+	if (!msg)
+		return -ENOMEM;
 
 	/* toggle C/R coding if not initiator */
 	ocr = cr ^ (gsm->initiator ? 0 : 1);
 
-	switch (gsm->encoding) {
-	case 0:
-		cbuf[0] = GSM0_SOF;
-		cbuf[1] = (addr << 2) | (ocr << 1) | EA;
-		cbuf[2] = control;
-		cbuf[3] = EA;	/* Length of data = 0 */
-		cbuf[4] = 0xFF - gsm_fcs_add_block(INIT_FCS, cbuf + 1, 3);
-		cbuf[5] = GSM0_SOF;
-		len = 6;
-		break;
-	case 1:
-	case 2:
-		/* Control frame + packing (but not frame stuffing) in mode 1 */
-		ibuf[0] = (addr << 2) | (ocr << 1) | EA;
-		ibuf[1] = control;
-		ibuf[2] = 0xFF - gsm_fcs_add_block(INIT_FCS, ibuf, 2);
-		/* Stuffing may double the size worst case */
-		len = gsm_stuff_frame(ibuf, cbuf + 1, 3);
-		/* Now add the SOF markers */
-		cbuf[0] = GSM1_SOF;
-		cbuf[len + 1] = GSM1_SOF;
-		/* FIXME: we can omit the lead one in many cases */
-		len += 2;
-		break;
-	default:
-		WARN_ON(1);
-		return;
+	msg->data -= 3;
+	dp = msg->data;
+	*dp++ = (addr << 2) | (ocr << 1) | EA;
+	*dp++ = control;
+
+	if (gsm->encoding == 0)
+		*dp++ = EA; /* Length of data = 0 */
+
+	*dp = 0xFF - gsm_fcs_add_block(INIT_FCS, msg->data, dp - msg->data);
+	msg->len = (dp - msg->data) + 1;
+
+	gsm_print_packet("Q->", addr, cr, control, NULL, 0);
+
+	spin_lock_irqsave(&gsm->tx_lock, flags);
+	list_add_tail(&msg->list, &gsm->tx_ctrl_list);
+	gsm->tx_bytes += msg->len;
+	spin_unlock_irqrestore(&gsm->tx_lock, flags);
+	gsmld_write_trigger(gsm);
+
+	return 0;
+}
+
+/**
+ *	gsm_dlci_clear_queues	-	remove outstanding data for a DLCI
+ *	@gsm: mux
+ *	@dlci: clear for this DLCI
+ *
+ *	Clears the data queues for a given DLCI.
+ */
+static void gsm_dlci_clear_queues(struct gsm_mux *gsm, struct gsm_dlci *dlci)
+{
+	struct gsm_msg *msg, *nmsg;
+	int addr = dlci->addr;
+	unsigned long flags;
+
+	/* Clear DLCI write fifo first */
+	spin_lock_irqsave(&dlci->lock, flags);
+	kfifo_reset(&dlci->fifo);
+	spin_unlock_irqrestore(&dlci->lock, flags);
+
+	/* Clear data packets in MUX write queue */
+	spin_lock_irqsave(&gsm->tx_lock, flags);
+	list_for_each_entry_safe(msg, nmsg, &gsm->tx_data_list, list) {
+		if (msg->addr != addr)
+			continue;
+		gsm->tx_bytes -= msg->len;
+		list_del(&msg->list);
+		kfree(msg);
 	}
-	gsmld_output(gsm, cbuf, len);
-	gsm_print_packet("-->", addr, cr, control, NULL, 0);
+	spin_unlock_irqrestore(&gsm->tx_lock, flags);
 }
 
 /**
@@ -769,6 +806,45 @@ static struct gsm_msg *gsm_data_alloc(struct gsm_mux *gsm, u8 addr, int len,
 	return m;
 }
 
+/**
+ *	gsm_send_packet	-	sends a single packet
+ *	@gsm: GSM Mux
+ *	@msg: packet to send
+ *
+ *	The given packet is encoded and sent out. No memory is freed.
+ *	The caller must hold the gsm tx lock.
+ */
+static int gsm_send_packet(struct gsm_mux *gsm, struct gsm_msg *msg)
+{
+	int len, ret;
+
+
+	if (gsm->encoding == 0) {
+		gsm->txframe[0] = GSM0_SOF;
+		memcpy(gsm->txframe + 1, msg->data, msg->len);
+		gsm->txframe[msg->len + 1] = GSM0_SOF;
+		len = msg->len + 2;
+	} else {
+		gsm->txframe[0] = GSM1_SOF;
+		len = gsm_stuff_frame(msg->data, gsm->txframe + 1, msg->len);
+		gsm->txframe[len + 1] = GSM1_SOF;
+		len += 2;
+	}
+
+	if (debug & 4)
+		gsm_hex_dump_bytes(__func__, gsm->txframe, len);
+	gsm_print_packet("-->", msg->addr, gsm->initiator, msg->ctrl, msg->data,
+			 msg->len);
+
+	ret = gsmld_output(gsm, gsm->txframe, len);
+	if (ret <= 0)
+		return ret;
+	/* FIXME: Can eliminate one SOF in many more cases */
+	gsm->tx_bytes -= msg->len;
+
+	return 0;
+}
+
 /**
  *	gsm_is_flow_ctrl_msg	-	checks if flow control message
  *	@msg: message to check
@@ -801,59 +877,81 @@ static bool gsm_is_flow_ctrl_msg(struct gsm_msg *msg)
 }
 
 /**
- *	gsm_data_kick		-	poke the queue
+ *	gsm_data_kick	-	poke the queue
  *	@gsm: GSM Mux
- *	@dlci: DLCI sending the data
  *
  *	The tty device has called us to indicate that room has appeared in
- *	the transmit queue. Ram more data into the pipe if we have any
+ *	the transmit queue. Ram more data into the pipe if we have any.
  *	If we have been flow-stopped by a CMD_FCOFF, then we can only
- *	send messages on DLCI0 until CMD_FCON
- *
- *	FIXME: lock against link layer control transmissions
+ *	send messages on DLCI0 until CMD_FCON. The caller must hold
+ *	the gsm tx lock.
  */
-
-static void gsm_data_kick(struct gsm_mux *gsm, struct gsm_dlci *dlci)
+static int gsm_data_kick(struct gsm_mux *gsm)
 {
 	struct gsm_msg *msg, *nmsg;
-	int len;
+	struct gsm_dlci *dlci;
+	int ret;
+
+	clear_bit(TTY_DO_WRITE_WAKEUP, &gsm->tty->flags);
 
-	list_for_each_entry_safe(msg, nmsg, &gsm->tx_list, list) {
+	/* Serialize control messages and control channel messages first */
+	list_for_each_entry_safe(msg, nmsg, &gsm->tx_ctrl_list, list) {
 		if (gsm->constipated && !gsm_is_flow_ctrl_msg(msg))
 			continue;
-		if (gsm->encoding != 0) {
-			gsm->txframe[0] = GSM1_SOF;
-			len = gsm_stuff_frame(msg->data,
-						gsm->txframe + 1, msg->len);
-			gsm->txframe[len + 1] = GSM1_SOF;
-			len += 2;
-		} else {
-			gsm->txframe[0] = GSM0_SOF;
-			memcpy(gsm->txframe + 1 , msg->data, msg->len);
-			gsm->txframe[msg->len + 1] = GSM0_SOF;
-			len = msg->len + 2;
-		}
-
-		if (debug & 4)
-			gsm_hex_dump_bytes(__func__, gsm->txframe, len);
-		if (gsmld_output(gsm, gsm->txframe, len) <= 0)
+		ret = gsm_send_packet(gsm, msg);
+		switch (ret) {
+		case -ENOSPC:
+			return -ENOSPC;
+		case -ENODEV:
+			/* ldisc not open */
+			gsm->tx_bytes -= msg->len;
+			list_del(&msg->list);
+			kfree(msg);
+			continue;
+		default:
+			if (ret >= 0) {
+				list_del(&msg->list);
+				kfree(msg);
+			}
 			break;
-		/* FIXME: Can eliminate one SOF in many more cases */
-		gsm->tx_bytes -= msg->len;
-
-		list_del(&msg->list);
-		kfree(msg);
+		}
+	}
 
-		if (dlci) {
-			tty_port_tty_wakeup(&dlci->port);
-		} else {
-			int i = 0;
+	if (gsm->constipated)
+		return -EAGAIN;
 
-			for (i = 0; i < NUM_DLCI; i++)
-				if (gsm->dlci[i])
-					tty_port_tty_wakeup(&gsm->dlci[i]->port);
+	/* Serialize other channels */
+	if (list_empty(&gsm->tx_data_list))
+		return 0;
+	list_for_each_entry_safe(msg, nmsg, &gsm->tx_data_list, list) {
+		dlci = gsm->dlci[msg->addr];
+		/* Send only messages for DLCIs with valid state */
+		if (dlci->state != DLCI_OPEN) {
+			gsm->tx_bytes -= msg->len;
+			list_del(&msg->list);
+			kfree(msg);
+			continue;
+		}
+		ret = gsm_send_packet(gsm, msg);
+		switch (ret) {
+		case -ENOSPC:
+			return -ENOSPC;
+		case -ENODEV:
+			/* ldisc not open */
+			gsm->tx_bytes -= msg->len;
+			list_del(&msg->list);
+			kfree(msg);
+			continue;
+		default:
+			if (ret >= 0) {
+				list_del(&msg->list);
+				kfree(msg);
+			}
+			break;
 		}
 	}
+
+	return 1;
 }
 
 /**
@@ -902,9 +1000,21 @@ static void __gsm_data_queue(struct gsm_dlci *dlci, struct gsm_msg *msg)
 	msg->data = dp;
 
 	/* Add to the actual output queue */
-	list_add_tail(&msg->list, &gsm->tx_list);
+	switch (msg->ctrl & ~PF) {
+	case UI:
+	case UIH:
+		if (msg->addr > 0) {
+			list_add_tail(&msg->list, &gsm->tx_data_list);
+			break;
+		}
+		fallthrough;
+	default:
+		list_add_tail(&msg->list, &gsm->tx_ctrl_list);
+		break;
+	}
 	gsm->tx_bytes += msg->len;
-	gsm_data_kick(gsm, dlci);
+
+	gsmld_write_trigger(gsm);
 	mod_timer(&gsm->kick_timer, jiffies + 10 * gsm->t1 * HZ / 100);
 }
 
@@ -1131,32 +1241,39 @@ static int gsm_dlci_modem_output(struct gsm_mux *gsm, struct gsm_dlci *dlci,
 
 static int gsm_dlci_data_sweep(struct gsm_mux *gsm)
 {
-	int len, ret = 0;
 	/* Priority ordering: We should do priority with RR of the groups */
-	int i = 1;
-
-	while (i < NUM_DLCI) {
-		struct gsm_dlci *dlci;
+	int i, len, ret = 0;
+	bool sent;
+	struct gsm_dlci *dlci;
 
-		if (gsm->tx_bytes > TX_THRESH_HI)
-			break;
-		dlci = gsm->dlci[i];
-		if (dlci == NULL || dlci->constipated) {
-			i++;
-			continue;
+	while (gsm->tx_bytes < TX_THRESH_HI) {
+		for (sent = false, i = 1; i < NUM_DLCI; i++) {
+			dlci = gsm->dlci[i];
+			/* skip unused or blocked channel */
+			if (!dlci || dlci->constipated)
+				continue;
+			/* skip channels with invalid state */
+			if (dlci->state != DLCI_OPEN)
+				continue;
+			/* count the sent data per adaption */
+			if (dlci->adaption < 3 && !dlci->net)
+				len = gsm_dlci_data_output(gsm, dlci);
+			else
+				len = gsm_dlci_data_output_framed(gsm, dlci);
+			/* on error exit */
+			if (len < 0)
+				return ret;
+			if (len > 0) {
+				ret++;
+				sent = true;
+				/* The lower DLCs can starve the higher DLCs! */
+				break;
+			}
+			/* try next */
 		}
-		if (dlci->adaption < 3 && !dlci->net)
-			len = gsm_dlci_data_output(gsm, dlci);
-		else
-			len = gsm_dlci_data_output_framed(gsm, dlci);
-		if (len < 0)
+		if (!sent)
 			break;
-		/* DLCI empty - try the next */
-		if (len == 0)
-			i++;
-		else
-			ret++;
-	}
+	};
 
 	return ret;
 }
@@ -1405,7 +1522,6 @@ static void gsm_control_message(struct gsm_mux *gsm, unsigned int command,
 						const u8 *data, int clen)
 {
 	u8 buf[1];
-	unsigned long flags;
 	struct gsm_dlci *dlci;
 	int i;
 	int address;
@@ -1440,9 +1556,7 @@ static void gsm_control_message(struct gsm_mux *gsm, unsigned int command,
 		gsm->constipated = false;
 		gsm_control_reply(gsm, CMD_FCON, NULL, 0);
 		/* Kick the link in case it is idling */
-		spin_lock_irqsave(&gsm->tx_lock, flags);
-		gsm_data_kick(gsm, NULL);
-		spin_unlock_irqrestore(&gsm->tx_lock, flags);
+		gsmld_write_trigger(gsm);
 		break;
 	case CMD_FCOFF:
 		/* Modem wants us to STFU */
@@ -1645,8 +1759,6 @@ static int gsm_control_wait(struct gsm_mux *gsm, struct gsm_control *control)
 
 static void gsm_dlci_close(struct gsm_dlci *dlci)
 {
-	unsigned long flags;
-
 	del_timer(&dlci->t1);
 	if (debug & 8)
 		pr_debug("DLCI %d goes closed.\n", dlci->addr);
@@ -1655,17 +1767,16 @@ static void gsm_dlci_close(struct gsm_dlci *dlci)
 	dlci->constipated = true;
 	if (dlci->addr != 0) {
 		tty_port_tty_hangup(&dlci->port, false);
-		spin_lock_irqsave(&dlci->lock, flags);
-		kfifo_reset(&dlci->fifo);
-		spin_unlock_irqrestore(&dlci->lock, flags);
+		gsm_dlci_clear_queues(dlci->gsm, dlci);
 		/* Ensure that gsmtty_open() can return. */
 		tty_port_set_initialized(&dlci->port, 0);
 		wake_up_interruptible(&dlci->port.open_wait);
 	} else
 		dlci->gsm->dead = true;
-	wake_up(&dlci->gsm->event);
 	/* A DLCI 0 close is a MUX termination so we need to kick that
 	   back to userspace somehow */
+	gsm_dlci_data_kick(dlci);
+	wake_up(&dlci->gsm->event);
 }
 
 /**
@@ -1688,6 +1799,7 @@ static void gsm_dlci_open(struct gsm_dlci *dlci)
 	/* Send current modem state */
 	if (dlci->addr)
 		gsm_modem_update(dlci, 0);
+	gsm_dlci_data_kick(dlci);
 	wake_up(&dlci->gsm->event);
 }
 
@@ -2325,7 +2437,7 @@ static void gsm1_receive(struct gsm_mux *gsm, unsigned char c)
 	} else if ((c & ISO_IEC_646_MASK) == XOFF) {
 		gsm->constipated = false;
 		/* Kick the link in case it is idling */
-		gsm_data_kick(gsm, NULL);
+		gsmld_write_trigger(gsm);
 		return;
 	}
 	if (c == GSM1_SOF) {
@@ -2460,6 +2572,9 @@ static void gsm_cleanup_mux(struct gsm_mux *gsm, bool disc)
 	del_timer_sync(&gsm->kick_timer);
 	del_timer_sync(&gsm->t2_timer);
 
+	/* Finish writing to ldisc */
+	flush_work(&gsm->tx_work);
+
 	/* Free up any link layer users and finally the control channel */
 	if (gsm->has_devices) {
 		gsm_unregister_devices(gsm_tty_driver, gsm->num);
@@ -2471,9 +2586,12 @@ static void gsm_cleanup_mux(struct gsm_mux *gsm, bool disc)
 	mutex_unlock(&gsm->mutex);
 	/* Now wipe the queues */
 	tty_ldisc_flush(gsm->tty);
-	list_for_each_entry_safe(txq, ntxq, &gsm->tx_list, list)
+	list_for_each_entry_safe(txq, ntxq, &gsm->tx_ctrl_list, list)
+		kfree(txq);
+	INIT_LIST_HEAD(&gsm->tx_ctrl_list);
+	list_for_each_entry_safe(txq, ntxq, &gsm->tx_data_list, list)
 		kfree(txq);
-	INIT_LIST_HEAD(&gsm->tx_list);
+	INIT_LIST_HEAD(&gsm->tx_data_list);
 }
 
 /**
@@ -2496,6 +2614,7 @@ static int gsm_activate_mux(struct gsm_mux *gsm)
 
 	timer_setup(&gsm->kick_timer, gsm_kick_timer, 0);
 	timer_setup(&gsm->t2_timer, gsm_control_retransmit, 0);
+	INIT_WORK(&gsm->tx_work, gsmld_write_task);
 	init_waitqueue_head(&gsm->event);
 	spin_lock_init(&gsm->control_lock);
 	spin_lock_init(&gsm->tx_lock);
@@ -2602,7 +2721,8 @@ static struct gsm_mux *gsm_alloc_mux(void)
 	spin_lock_init(&gsm->lock);
 	mutex_init(&gsm->mutex);
 	kref_init(&gsm->ref);
-	INIT_LIST_HEAD(&gsm->tx_list);
+	INIT_LIST_HEAD(&gsm->tx_ctrl_list);
+	INIT_LIST_HEAD(&gsm->tx_data_list);
 
 	gsm->t1 = T1;
 	gsm->t2 = T2;
@@ -2759,6 +2879,47 @@ static int gsmld_output(struct gsm_mux *gsm, u8 *data, int len)
 	return gsm->tty->ops->write(gsm->tty, data, len);
 }
 
+
+/**
+ *	gsmld_write_trigger	-	schedule ldisc write task
+ *	@gsm: our mux
+ */
+static void gsmld_write_trigger(struct gsm_mux *gsm)
+{
+	if (!gsm || !gsm->dlci[0] || gsm->dlci[0]->dead)
+		return;
+	schedule_work(&gsm->tx_work);
+}
+
+
+/**
+ *	gsmld_write_task	-	ldisc write task
+ *	@work: our tx write work
+ *
+ *	Writes out data to the ldisc if possible. We are doing this here to
+ *	avoid dead-locking. This returns if no space or data is left for output.
+ */
+static void gsmld_write_task(struct work_struct *work)
+{
+	struct gsm_mux *gsm = container_of(work, struct gsm_mux, tx_work);
+	unsigned long flags;
+	int i, ret;
+
+	/* All outstanding control channel and control messages and one data
+	 * frame is sent.
+	 */
+	ret = -ENODEV;
+	spin_lock_irqsave(&gsm->tx_lock, flags);
+	if (gsm->tty)
+		ret = gsm_data_kick(gsm);
+	spin_unlock_irqrestore(&gsm->tx_lock, flags);
+
+	if (ret >= 0)
+		for (i = 0; i < NUM_DLCI; i++)
+			if (gsm->dlci[i])
+				tty_port_tty_wakeup(&gsm->dlci[i]->port);
+}
+
 /**
  *	gsmld_attach_gsm	-	mode set up
  *	@tty: our tty structure
@@ -2902,6 +3063,7 @@ static int gsmld_open(struct tty_struct *tty)
 
 	timer_setup(&gsm->kick_timer, gsm_kick_timer, 0);
 	timer_setup(&gsm->t2_timer, gsm_control_retransmit, 0);
+	INIT_WORK(&gsm->tx_work, gsmld_write_task);
 
 	return 0;
 }
@@ -2918,16 +3080,9 @@ static int gsmld_open(struct tty_struct *tty)
 static void gsmld_write_wakeup(struct tty_struct *tty)
 {
 	struct gsm_mux *gsm = tty->disc_data;
-	unsigned long flags;
 
 	/* Queue poll */
-	clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);
-	spin_lock_irqsave(&gsm->tx_lock, flags);
-	gsm_data_kick(gsm, NULL);
-	if (gsm->tx_bytes < TX_THRESH_LO) {
-		gsm_dlci_data_sweep(gsm);
-	}
-	spin_unlock_irqrestore(&gsm->tx_lock, flags);
+	gsmld_write_trigger(gsm);
 }
 
 /**
diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c
index 759f567538e2a1..b760556584889a 100644
--- a/drivers/usb/class/usblp.c
+++ b/drivers/usb/class/usblp.c
@@ -1166,7 +1166,7 @@ static int usblp_probe(struct usb_interface *intf,
 	}
 
 	/* Allocate buffer for printer status */
-	usblp->statusbuf = kmalloc(STATUS_BUF_SIZE, GFP_KERNEL);
+	usblp->statusbuf = kzalloc(STATUS_BUF_SIZE, GFP_KERNEL);
 	if (!usblp->statusbuf) {
 		retval = -ENOMEM;
 		goto abort;
@@ -1365,6 +1365,7 @@ static int usblp_cache_device_id_string(struct usblp *usblp)
 {
 	int err, length;
 
+	memset(usblp->device_id_string, 0, USBLP_DEVICE_ID_SIZE);
 	err = usblp_get_id(usblp, 0, usblp->device_id_string, USBLP_DEVICE_ID_SIZE - 1);
 	if (err < 0) {
 		dev_dbg(&usblp->intf->dev,
diff --git a/drivers/usb/common/ulpi.c b/drivers/usb/common/ulpi.c
index 891bf0900a14d7..8af209cc50982f 100644
--- a/drivers/usb/common/ulpi.c
+++ b/drivers/usb/common/ulpi.c
@@ -244,12 +244,15 @@ static int ulpi_register(struct device *dev, struct ulpi *ulpi)
 	ACPI_COMPANION_SET(&ulpi->dev, ACPI_COMPANION(dev));
 
 	ret = ulpi_of_register(ulpi);
-	if (ret)
+	if (ret) {
+		kfree(ulpi);
 		return ret;
+	}
 
 	ret = ulpi_read_id(ulpi);
 	if (ret) {
 		of_node_put(ulpi->dev.of_node);
+		kfree(ulpi);
 		return ret;
 	}
 
diff --git a/drivers/usb/gadget/function/f_ncm.c b/drivers/usb/gadget/function/f_ncm.c
index 1ee950bf1604ea..5569c85c6854d3 100644
--- a/drivers/usb/gadget/function/f_ncm.c
+++ b/drivers/usb/gadget/function/f_ncm.c
@@ -1215,8 +1215,8 @@ parse_ntb:
 
 	block_len = get_ncm(&tmp, opts->block_length);
 	/* (d)wBlockLength */
-	if (block_len > ntb_max) {
-		INFO(port->func.config->cdev, "OUT size exceeded\n");
+	if ((block_len < opts->nth_size + opts->ndp_size) || (block_len > ntb_max)) {
+		INFO(port->func.config->cdev, "Bad block length: %#X\n", block_len);
 		goto err;
 	}
 
diff --git a/drivers/usb/gadget/function/f_phonet.c b/drivers/usb/gadget/function/f_phonet.c
index 0b468f5d55bc5d..1337b27e211703 100644
--- a/drivers/usb/gadget/function/f_phonet.c
+++ b/drivers/usb/gadget/function/f_phonet.c
@@ -330,6 +330,15 @@ static void pn_rx_complete(struct usb_ep *ep, struct usb_request *req)
 		if (unlikely(!skb))
 			break;
 
+		if (unlikely(skb_shinfo(skb)->nr_frags >= MAX_SKB_FRAGS)) {
+			/* Frame count from host exceeds frags[] capacity */
+			dev_kfree_skb_any(skb);
+			if (fp->rx.skb == skb)
+				fp->rx.skb = NULL;
+			dev->stats.rx_length_errors++;
+			break;
+		}
+
 		if (skb->len == 0) { /* First fragment */
 			skb->protocol = htons(ETH_P_PHONET);
 			skb_reset_mac_header(skb);
diff --git a/drivers/usb/gadget/udc/omap_udc.c b/drivers/usb/gadget/udc/omap_udc.c
index 494da00398d7cb..bb9e6d4f9cdee5 100644
--- a/drivers/usb/gadget/udc/omap_udc.c
+++ b/drivers/usb/gadget/udc/omap_udc.c
@@ -731,8 +731,6 @@ static void dma_channel_claim(struct omap_ep *ep, unsigned channel)
 		if (status == 0) {
 			omap_writew(reg, UDC_TXDMA_CFG);
 			/* EMIFF or SDRC */
-			omap_set_dma_src_burst_mode(ep->lch,
-						OMAP_DMA_DATA_BURST_4);
 			omap_set_dma_src_data_pack(ep->lch, 1);
 			/* TIPB */
 			omap_set_dma_dest_params(ep->lch,
@@ -754,8 +752,6 @@ static void dma_channel_claim(struct omap_ep *ep, unsigned channel)
 				UDC_DATA_DMA,
 				0, 0);
 			/* EMIFF or SDRC */
-			omap_set_dma_dest_burst_mode(ep->lch,
-						OMAP_DMA_DATA_BURST_4);
 			omap_set_dma_dest_data_pack(ep->lch, 1);
 		}
 	}
diff --git a/drivers/usb/gadget/udc/renesas_usb3.c b/drivers/usb/gadget/udc/renesas_usb3.c
index 3cc65f1d2a0665..165ea44e902ff0 100644
--- a/drivers/usb/gadget/udc/renesas_usb3.c
+++ b/drivers/usb/gadget/udc/renesas_usb3.c
@@ -1611,6 +1611,10 @@ static bool usb3_std_req_get_status(struct renesas_usb3 *usb3,
 		break;
 	case USB_RECIP_ENDPOINT:
 		num = le16_to_cpu(ctrl->wIndex) & USB_ENDPOINT_NUMBER_MASK;
+		if (num >= usb3->num_usb3_eps) {
+			stall = true;
+			break;
+		}
 		usb3_ep = usb3_get_ep(usb3, num);
 		if (usb3_ep->halt)
 			status |= 1 << USB_ENDPOINT_HALT;
@@ -1723,7 +1727,8 @@ static bool usb3_std_req_feature_endpoint(struct renesas_usb3 *usb3,
 	struct renesas_usb3_ep *usb3_ep;
 	struct renesas_usb3_request *usb3_req;
 
-	if (le16_to_cpu(ctrl->wValue) != USB_ENDPOINT_HALT)
+	if ((le16_to_cpu(ctrl->wValue) != USB_ENDPOINT_HALT) ||
+	    (num >= usb3->num_usb3_eps))
 		return true;	/* stall */
 
 	usb3_ep = usb3_get_ep(usb3, num);
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index f85a15970165ed..bb151f4dbdacfb 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -3233,7 +3233,6 @@ rescan:
 		xhci_dbg(xhci, "endpoint disable with ep_state 0x%x\n",
 			 ep->ep_state);
 done:
-	host_ep->hcpriv = NULL;
 	spin_unlock_irqrestore(&xhci->lock, flags);
 }
 
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 66fe2a1d03fb37..f9f563fad127f4 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -1383,6 +1383,8 @@ static const struct usb_device_id option_ids[] = {
 	  .driver_info = NCTRL(2) | RSVD(3) },
 	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1073, 0xff),	/* Telit FN990A (ECM) */
 	  .driver_info = NCTRL(0) | RSVD(1) },
+	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1074, 0xff),	/* Telit FN990A (MBIM) */
+	  .driver_info = NCTRL(5) | RSVD(6) | RSVD(7) },
 	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1075, 0xff),	/* Telit FN990A (PCIe) */
 	  .driver_info = RSVD(0) },
 	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1077, 0xff),	/* Telit FN990A (rmnet + audio) */
@@ -1511,7 +1513,11 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1231, 0xff),	/* Telit LE910Cx (RNDIS) */
 	  .driver_info = NCTRL(2) | RSVD(3) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(TELIT_VENDOR_ID, 0x1250, 0xff, 0x00, 0x00) },	/* Telit LE910Cx (rmnet) */
+	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1251, 0xff) },	/* Telit LE910Cx (RNDIS) */
 	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1252, 0xff) },	/* Telit LE910Cx (MBIM) */
+	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1253, 0xff) },	/* Telit LE910Cx (ECM) */
+	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1254, 0xff) },	/* Telit LE910Cx */
+	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x1255, 0xff) },	/* Telit LE910Cx */
 	{ USB_DEVICE(TELIT_VENDOR_ID, 0x1260),
 	  .driver_info = NCTRL(0) | RSVD(1) | RSVD(2) },
 	{ USB_DEVICE(TELIT_VENDOR_ID, 0x1261),
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 3aefb70e102324..f5614709e08a65 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -2339,10 +2339,11 @@ UNUSUAL_DEV(  0x2027, 0xa001, 0x0000, 0x9999,
 		US_FL_SCM_MULT_TARG ),
 
 /*
- * Reported by DocMAX <mail@vacharakis.de>
- * and Thomas Weißschuh <linux@weissschuh.net>
+ * Reported by DocMAX <mail@vacharakis.de>,
+ * Thomas Weißschuh <linux@weissschuh.net>
+ * and Daniel Brát <danek.brat@gmail.com>
  */
-UNUSUAL_DEV( 0x2109, 0x0715, 0x9999, 0x9999,
+UNUSUAL_DEV( 0x2109, 0x0715, 0x0000, 0x9999,
 		"VIA Labs, Inc.",
 		"VL817 SATA Bridge",
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
diff --git a/drivers/usb/usbip/usbip_common.c b/drivers/usb/usbip/usbip_common.c
index 2ab99244bc314d..e604bd759506d5 100644
--- a/drivers/usb/usbip/usbip_common.c
+++ b/drivers/usb/usbip/usbip_common.c
@@ -384,6 +384,18 @@ static void usbip_pack_ret_submit(struct usbip_header *pdu, struct urb *urb,
 		urb->status		= rpdu->status;
 		urb->actual_length	= rpdu->actual_length;
 		urb->start_frame	= rpdu->start_frame;
+		/*
+		 * The number_of_packets field determines the length of
+		 * iso_frame_desc[], which is a flexible array allocated
+		 * at URB creation time. A response must never claim more
+		 * packets than originally submitted; doing so would cause
+		 * an out-of-bounds write in usbip_recv_iso() and
+		 * usbip_pad_iso(). Clamp to zero on violation so both
+		 * functions safely return early.
+		 */
+		if (rpdu->number_of_packets < 0 ||
+		    rpdu->number_of_packets > urb->number_of_packets)
+			rpdu->number_of_packets = 0;
 		urb->number_of_packets = rpdu->number_of_packets;
 		urb->error_count	= rpdu->error_count;
 	}
diff --git a/drivers/vdpa/vdpa.c b/drivers/vdpa/vdpa.c
index 58eb448bf5b0c2..acd93af0ee2073 100644
--- a/drivers/vdpa/vdpa.c
+++ b/drivers/vdpa/vdpa.c
@@ -847,6 +847,7 @@ static const struct nla_policy vdpa_nl_policy[VDPA_ATTR_MAX + 1] = {
 	[VDPA_ATTR_MGMTDEV_BUS_NAME] = { .type = NLA_NUL_STRING },
 	[VDPA_ATTR_MGMTDEV_DEV_NAME] = { .type = NLA_STRING },
 	[VDPA_ATTR_DEV_NAME] = { .type = NLA_STRING },
+	[VDPA_ATTR_DEV_NET_CFG_MAX_VQP] = { .type = NLA_U16 },
 };
 
 static const struct genl_ops vdpa_nl_ops[] = {
diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index 7a6892cfa3c5e2..9d454da4199559 100644
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -545,7 +545,7 @@ static void vhost_net_busy_poll(struct vhost_net *net,
 	busyloop_timeout = poll_rx ? rvq->busyloop_timeout:
 				     tvq->busyloop_timeout;
 
-	preempt_disable();
+	migrate_disable();
 	endtime = busy_clock() + busyloop_timeout;
 
 	while (vhost_can_busy_poll(endtime)) {
@@ -562,7 +562,7 @@ static void vhost_net_busy_poll(struct vhost_net *net,
 		cpu_relax();
 	}
 
-	preempt_enable();
+	migrate_enable();
 
 	if (poll_rx || sock_has_rx_data(sock))
 		vhost_net_busy_poll_try_queue(net, vq);
diff --git a/drivers/video/backlight/sky81452-backlight.c b/drivers/video/backlight/sky81452-backlight.c
index c95e0de7f4e706..0cf1f588a38735 100644
--- a/drivers/video/backlight/sky81452-backlight.c
+++ b/drivers/video/backlight/sky81452-backlight.c
@@ -204,6 +204,9 @@ static struct sky81452_bl_platform_data *sky81452_bl_parse_dt(
 	pdata->dpwm_mode = of_property_read_bool(np, "skyworks,dpwm-mode");
 	pdata->phase_shift = of_property_read_bool(np, "skyworks,phase-shift");
 	pdata->gpiod_enable = devm_gpiod_get_optional(dev, NULL, GPIOD_OUT_HIGH);
+	if (IS_ERR(pdata->gpiod_enable))
+		return dev_err_cast_probe(dev, pdata->gpiod_enable,
+					  "failed to get gpio\n");
 
 	ret = of_property_count_u32_elems(np, "led-sources");
 	if (ret < 0) {
diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c
index b3d5f884c5445b..f029cbe9cefb98 100644
--- a/drivers/video/fbdev/efifb.c
+++ b/drivers/video/fbdev/efifb.c
@@ -581,15 +581,10 @@ static int efifb_probe(struct platform_device *dev)
 		break;
 	}
 
-	err = sysfs_create_groups(&dev->dev.kobj, efifb_groups);
-	if (err) {
-		pr_err("efifb: cannot add sysfs attrs\n");
-		goto err_unmap;
-	}
 	err = fb_alloc_cmap(&info->cmap, 256, 0);
 	if (err < 0) {
 		pr_err("efifb: cannot allocate colormap\n");
-		goto err_groups;
+		goto err_unmap;
 	}
 
 	if (efifb_pci_dev)
@@ -608,8 +603,6 @@ err_put_rpm_ref:
 		pm_runtime_put(&efifb_pci_dev->dev);
 
 	fb_dealloc_cmap(&info->cmap);
-err_groups:
-	sysfs_remove_groups(&dev->dev.kobj, efifb_groups);
 err_unmap:
 	if (mem_flags & (EFI_MEMORY_UC | EFI_MEMORY_WC))
 		iounmap(info->screen_base);
@@ -629,7 +622,6 @@ static int efifb_remove(struct platform_device *pdev)
 
 	/* efifb_destroy takes care of info cleanup */
 	unregister_framebuffer(info);
-	sysfs_remove_groups(&pdev->dev.kobj, efifb_groups);
 
 	return 0;
 }
@@ -637,6 +629,7 @@ static int efifb_remove(struct platform_device *pdev)
 static struct platform_driver efifb_driver = {
 	.driver = {
 		.name = "efi-framebuffer",
+		.dev_groups = efifb_groups,
 	},
 	.probe = efifb_probe,
 	.remove = efifb_remove,
diff --git a/drivers/video/fbdev/matrox/g450_pll.c b/drivers/video/fbdev/matrox/g450_pll.c
index ff8e321a22cefc..b2d3f7328ea83c 100644
--- a/drivers/video/fbdev/matrox/g450_pll.c
+++ b/drivers/video/fbdev/matrox/g450_pll.c
@@ -407,7 +407,7 @@ static int __g450_setclk(struct matrox_fb_info *minfo, unsigned int fout,
 		case M_VIDEO_PLL:
 			{
 				u_int8_t tmp;
-				unsigned int mnp;
+				unsigned int mnp __maybe_unused;
 				unsigned long flags;
 				
 				matroxfb_DAC_lock_irqsave(flags);
diff --git a/drivers/video/fbdev/offb.c b/drivers/video/fbdev/offb.c
index 4501e848a36f2c..593aad22248e63 100644
--- a/drivers/video/fbdev/offb.c
+++ b/drivers/video/fbdev/offb.c
@@ -643,8 +643,13 @@ static void __init offb_init_nodriver(struct device_node *dp, int no_real_node)
 			vid = be32_to_cpup(vidp);
 			did = be32_to_cpup(didp);
 			pdev = pci_get_device(vid, did, NULL);
-			if (!pdev || pci_enable_device(pdev))
+			if (!pdev)
 				return;
+
+			if (pci_enable_device(pdev)) {
+				pci_dev_put(pdev);
+				return;
+			}
 		}
 #endif
 		/* kludge for valkyrie */
diff --git a/drivers/video/fbdev/tdfxfb.c b/drivers/video/fbdev/tdfxfb.c
index 67e37a62b07c3f..237b45754f7d2b 100644
--- a/drivers/video/fbdev/tdfxfb.c
+++ b/drivers/video/fbdev/tdfxfb.c
@@ -495,6 +495,9 @@ static int tdfxfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 		}
 	}
 
+	if (!var->pixclock)
+		return -EINVAL;
+
 	if (PICOS2KHZ(var->pixclock) > par->max_pixclock) {
 		DPRINTK("pixclock too high (%ldKHz)\n",
 			PICOS2KHZ(var->pixclock));
diff --git a/drivers/video/fbdev/udlfb.c b/drivers/video/fbdev/udlfb.c
index 12bd5a7318e1f8..3c17049de95401 100644
--- a/drivers/video/fbdev/udlfb.c
+++ b/drivers/video/fbdev/udlfb.c
@@ -321,12 +321,32 @@ static int dlfb_set_video_mode(struct dlfb_data *dlfb,
 	return retval;
 }
 
+static void dlfb_vm_open(struct vm_area_struct *vma)
+{
+	struct dlfb_data *dlfb = vma->vm_private_data;
+
+	atomic_inc(&dlfb->mmap_count);
+}
+
+static void dlfb_vm_close(struct vm_area_struct *vma)
+{
+	struct dlfb_data *dlfb = vma->vm_private_data;
+
+	atomic_dec(&dlfb->mmap_count);
+}
+
+static const struct vm_operations_struct dlfb_vm_ops = {
+	.open  = dlfb_vm_open,
+	.close = dlfb_vm_close,
+};
+
 static int dlfb_ops_mmap(struct fb_info *info, struct vm_area_struct *vma)
 {
 	unsigned long start = vma->vm_start;
 	unsigned long size = vma->vm_end - vma->vm_start;
 	unsigned long offset = vma->vm_pgoff << PAGE_SHIFT;
 	unsigned long page, pos;
+	struct dlfb_data *dlfb = info->par;
 
 	if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT))
 		return -EINVAL;
@@ -353,6 +373,9 @@ static int dlfb_ops_mmap(struct fb_info *info, struct vm_area_struct *vma)
 			size = 0;
 	}
 
+	vma->vm_ops = &dlfb_vm_ops;
+	vma->vm_private_data = dlfb;
+	atomic_inc(&dlfb->mmap_count);
 	return 0;
 }
 
@@ -1077,6 +1100,9 @@ static int dlfb_ops_check_var(struct fb_var_screeninfo *var,
 	struct fb_videomode mode;
 	struct dlfb_data *dlfb = info->par;
 
+	if (!var->pixclock)
+		return -EINVAL;
+
 	/* set device-specific elements of var unrelated to mode */
 	dlfb_var_color_format(var);
 
@@ -1215,7 +1241,6 @@ static void dlfb_deferred_vfree(struct dlfb_data *dlfb, void *mem)
 
 /*
  * Assumes &info->lock held by caller
- * Assumes no active clients have framebuffer open
  */
 static int dlfb_realloc_framebuffer(struct dlfb_data *dlfb, struct fb_info *info, u32 new_len)
 {
@@ -1227,6 +1252,13 @@ static int dlfb_realloc_framebuffer(struct dlfb_data *dlfb, struct fb_info *info
 	new_len = PAGE_ALIGN(new_len);
 
 	if (new_len > old_len) {
+		if (atomic_read(&dlfb->mmap_count) > 0) {
+			dev_warn(info->dev,
+				"refusing realloc: %d active mmaps\n",
+				atomic_read(&dlfb->mmap_count));
+			return -EBUSY;
+		}
+
 		/*
 		 * Alloc system memory for virtual framebuffer
 		 */
diff --git a/fs/adfs/super.c b/fs/adfs/super.c
index bdbd26e571ed37..7da236fd7a119b 100644
--- a/fs/adfs/super.c
+++ b/fs/adfs/super.c
@@ -343,6 +343,9 @@ static int adfs_validate_bblk(struct super_block *sb, struct buffer_head *bh,
 	if (adfs_checkdiscrecord(dr))
 		return -EILSEQ;
 
+	if ((dr->nzones | dr->nzones_high << 8) == 0)
+		return -EILSEQ;
+
 	*drp = dr;
 	return 0;
 }
diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c
index 740dac1012ae8c..05c2353094217f 100644
--- a/fs/binfmt_misc.c
+++ b/fs/binfmt_misc.c
@@ -816,8 +816,10 @@ out:
 	inode_unlock(d_inode(root));
 
 	if (err) {
-		if (f)
+		if (f) {
+			allow_write_access(f);
 			filp_close(f, NULL);
+		}
 		kfree(e);
 		return err;
 	}
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 41cc27ba4355ae..c75db0cd026539 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -912,29 +912,6 @@ static int btree_migratepage(struct address_space *mapping,
 }
 #endif
 
-
-static int btree_writepages(struct address_space *mapping,
-			    struct writeback_control *wbc)
-{
-	struct btrfs_fs_info *fs_info;
-	int ret;
-
-	if (wbc->sync_mode == WB_SYNC_NONE) {
-
-		if (wbc->for_kupdate)
-			return 0;
-
-		fs_info = BTRFS_I(mapping->host)->root->fs_info;
-		/* this is a bit racy, but that's ok */
-		ret = __percpu_counter_compare(&fs_info->dirty_metadata_bytes,
-					     BTRFS_DIRTY_METADATA_THRESH,
-					     fs_info->dirty_metadata_batch);
-		if (ret < 0)
-			return 0;
-	}
-	return btree_write_cache_pages(mapping, wbc);
-}
-
 static int btree_releasepage(struct page *page, gfp_t gfp_flags)
 {
 	if (PageWriteback(page) || PageDirty(page))
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 3b671e9bf6848f..13fd31058b7034 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -4792,8 +4792,7 @@ static int submit_eb_page(struct page *page, struct writeback_control *wbc,
 	return 1;
 }
 
-int btree_write_cache_pages(struct address_space *mapping,
-				   struct writeback_control *wbc)
+int btree_writepages(struct address_space *mapping, struct writeback_control *wbc)
 {
 	struct extent_buffer *eb_context = NULL;
 	struct extent_page_data epd = {
@@ -5591,6 +5590,7 @@ int extent_fiemap(struct btrfs_inode *inode, struct fiemap_extent_info *fieinfo,
 		last_for_get_extent = isize;
 	}
 
+	btrfs_inode_lock(&inode->vfs_inode, BTRFS_ILOCK_SHARED);
 	lock_extent_bits(&inode->io_tree, start, start + len - 1,
 			 &cached_state);
 
@@ -5706,6 +5706,7 @@ out_free:
 out:
 	unlock_extent_cached(&inode->io_tree, start, start + len - 1,
 			     &cached_state);
+	btrfs_inode_unlock(&inode->vfs_inode, BTRFS_ILOCK_SHARED);
 
 out_free_ulist:
 	btrfs_free_path(path);
diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index f7ab6ba8238e10..c1f0953e80991c 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -187,8 +187,7 @@ int extent_write_locked_range(struct inode *inode, u64 start, u64 end,
 			      int mode);
 int extent_writepages(struct address_space *mapping,
 		      struct writeback_control *wbc);
-int btree_write_cache_pages(struct address_space *mapping,
-			    struct writeback_control *wbc);
+int btree_writepages(struct address_space *mapping, struct writeback_control *wbc);
 void extent_readahead(struct readahead_control *rac);
 int extent_fiemap(struct btrfs_inode *inode, struct fiemap_extent_info *fieinfo,
 		  u64 start, u64 len);
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 27aaa5064ff7e8..181c2d9041d1a2 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -1001,7 +1001,7 @@ out_free:
 				     async_extent->ram_size - 1,
 				     NULL, EXTENT_LOCKED | EXTENT_DELALLOC |
 				     EXTENT_DELALLOC_NEW |
-				     EXTENT_DEFRAG | EXTENT_DO_ACCOUNTING,
+				     EXTENT_DEFRAG | EXTENT_CLEAR_META_RESV,
 				     PAGE_UNLOCK | PAGE_START_WRITEBACK |
 				     PAGE_END_WRITEBACK | PAGE_SET_ERROR);
 	free_async_extent_pages(async_extent);
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index a46076788bd7e6..68c62b34d6f064 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -5892,6 +5892,10 @@ static int range_is_hole_in_parent(struct send_ctx *sctx,
 		extent_end = btrfs_file_extent_end(path);
 		if (extent_end <= start)
 			goto next;
+		if (btrfs_file_extent_type(leaf, fi) == BTRFS_FILE_EXTENT_INLINE) {
+			ret = 0;
+			goto out;
+		}
 		if (btrfs_file_extent_disk_bytenr(leaf, fi) == 0) {
 			search_start = extent_end;
 			goto next;
diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c
index db288b4aee6d2f..0cec77cb674e53 100644
--- a/fs/ceph/xattr.c
+++ b/fs/ceph/xattr.c
@@ -1233,6 +1233,7 @@ retry:
 
 do_sync:
 	spin_unlock(&ci->i_ceph_lock);
+	ceph_buffer_put(old_blob);
 do_sync_unlocked:
 	if (lock_snap_rwsem)
 		up_read(&mdsc->snap_rwsem);
diff --git a/fs/cifs/cifs_spnego.c b/fs/cifs/cifs_spnego.c
index 66b4413b94f7f9..acd990ebbfe366 100644
--- a/fs/cifs/cifs_spnego.c
+++ b/fs/cifs/cifs_spnego.c
@@ -8,6 +8,7 @@
  */
 
 #include <linux/list.h>
+#include <linux/cred.h>
 #include <linux/slab.h>
 #include <linux/string.h>
 #include <keys/user-type.h>
@@ -46,12 +47,27 @@ cifs_spnego_key_destroy(struct key *key)
 	kfree(key->payload.data[0]);
 }
 
+static int
+cifs_spnego_key_vet_description(const char *description)
+{
+	/*
+	 * cifs.spnego descriptions are authority-bearing inputs to cifs.upcall.
+	 * They are only valid when produced by CIFS while using the private
+	 * spnego_cred installed below.  Do not let userspace create this type
+	 * of key through request_key(2)/add_key(2), since the helper treats
+	 * pid/uid/creduid/upcall_target as kernel-originating fields.
+	 */
+	if (current_cred() != spnego_cred)
+		return -EPERM;
+	return 0;
+}
 
 /*
  * keytype for CIFS spnego keys
  */
 struct key_type cifs_spnego_key_type = {
 	.name		= "cifs.spnego",
+	.vet_description = cifs_spnego_key_vet_description,
 	.instantiate	= cifs_spnego_key_instantiate,
 	.destroy	= cifs_spnego_key_destroy,
 	.describe	= user_describe,
diff --git a/fs/cifs/fs_context.c b/fs/cifs/fs_context.c
index c3a71c69d33951..03365800620670 100644
--- a/fs/cifs/fs_context.c
+++ b/fs/cifs/fs_context.c
@@ -450,6 +450,10 @@ char *cifs_sanitize_prepath(char *prepath, gfp_t gfp)
 	while (IS_DELIM(*cursor1))
 		cursor1++;
 
+	/* exit in case of only delimiters */
+	if (!*cursor1)
+		return NULL;
+
 	/* copy the first letter */
 	*cursor2 = *cursor1;
 
diff --git a/fs/cifs/smb2misc.c b/fs/cifs/smb2misc.c
index b84e682b4cae28..da32b3f6686bd9 100644
--- a/fs/cifs/smb2misc.c
+++ b/fs/cifs/smb2misc.c
@@ -679,6 +679,8 @@ smb2_is_valid_oplock_break(char *buffer, struct TCP_Server_Info *server)
 	/* look up tcon based on tid & uid */
 	spin_lock(&cifs_tcp_ses_lock);
 	list_for_each_entry(ses, &server->smb_ses_list, smb_ses_list) {
+		if (cifs_ses_exiting(ses))
+			continue;
 		list_for_each_entry(tcon, &ses->tcon_list, tcon_list) {
 
 			spin_lock(&tcon->open_file_lock);
diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c
index df5c2162e72971..e4e66bd2367e80 100644
--- a/fs/debugfs/file.c
+++ b/fs/debugfs/file.c
@@ -942,7 +942,7 @@ static const struct file_operations fops_str_wo = {
  *          directory dentry if set.  If this parameter is %NULL, then the
  *          file will be created in the root of the debugfs filesystem.
  * @value: a pointer to the variable that the file should read to and write
- *         from.
+ *         from. This pointer and the string it points to must not be %NULL.
  *
  * This function creates a file in debugfs with the given name that
  * contains the value of the variable @value.  If the @mode variable is so
@@ -960,6 +960,9 @@ static const struct file_operations fops_str_wo = {
 void debugfs_create_str(const char *name, umode_t mode,
 			struct dentry *parent, char **value)
 {
+	if (WARN_ON(!value || !*value))
+		return;
+
 	debugfs_create_mode_unsafe(name, mode, parent, value, &fops_str,
 				   &fops_str_ro, &fops_str_wo);
 }
diff --git a/fs/dlm/lock.c b/fs/dlm/lock.c
index b9829b873bf2e4..ffe12593a8b791 100644
--- a/fs/dlm/lock.c
+++ b/fs/dlm/lock.c
@@ -2923,10 +2923,9 @@ static int validate_lock_args(struct dlm_ls *ls, struct dlm_lkb *lkb,
 	rv = 0;
  out:
 	if (rv)
-		log_debug(ls, "validate_lock_args %d %x %x %x %d %d %s",
+		log_debug(ls, "validate_lock_args %d %x %x %x %d %d",
 			  rv, lkb->lkb_id, lkb->lkb_flags, args->flags,
-			  lkb->lkb_status, lkb->lkb_wait_type,
-			  lkb->lkb_resource->res_name);
+			  lkb->lkb_status, lkb->lkb_wait_type);
 	return rv;
 }
 
diff --git a/fs/dlm/midcomms.c b/fs/dlm/midcomms.c
index 84a7a39fc12e65..3f32f860ee9a64 100644
--- a/fs/dlm/midcomms.c
+++ b/fs/dlm/midcomms.c
@@ -1131,8 +1131,15 @@ void dlm_midcomms_commit_mhandle(struct dlm_mhandle *mh)
 		kfree(mh);
 		break;
 	case DLM_VERSION_3_2:
+		/* held rcu read lock here, because we sending the
+		 * dlm message out, when we do that we could receive
+		 * an ack back which releases the mhandle and we
+		 * get a use after free.
+		 */
+		rcu_read_lock();
 		dlm_midcomms_commit_msg_3_2(mh);
 		srcu_read_unlock(&nodes_srcu, mh->idx);
+		rcu_read_unlock();
 		break;
 	default:
 		srcu_read_unlock(&nodes_srcu, mh->idx);
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index fb5e2af47f02de..8762d090863760 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -57,13 +57,7 @@
  * we need a lock that will allow us to sleep. This lock is a
  * mutex (ep->mtx). It is acquired during the event transfer loop,
  * during epoll_ctl(EPOLL_CTL_DEL) and during eventpoll_release_file().
- * Then we also need a global mutex to serialize eventpoll_release_file()
- * and ep_free().
- * This mutex is acquired by ep_free() during the epoll file
- * cleanup path and it is also acquired by eventpoll_release_file()
- * if a file has been pushed inside an epoll set and it is then
- * close()d without a previous call to epoll_ctl(EPOLL_CTL_DEL).
- * It is also acquired when inserting an epoll fd onto another epoll
+ * The epmutex is acquired when inserting an epoll fd onto another epoll
  * fd. We do this so that we walk the epoll tree and ensure that this
  * insertion does not create a cycle of epoll file descriptors, which
  * could lead to deadlock. We need a global mutex to prevent two
@@ -153,6 +147,13 @@ struct epitem {
 	/* The file descriptor information this item refers to */
 	struct epoll_filefd ffd;
 
+	/*
+	 * Protected by file->f_lock, true for to-be-released epitem already
+	 * removed from the "struct file" items list; together with
+	 * eventpoll->refcount orchestrates "struct eventpoll" disposal
+	 */
+	bool dying;
+
 	/* List containing poll wait queues */
 	struct eppoll_entry *pwqlist;
 
@@ -218,6 +219,15 @@ struct eventpoll {
 	struct hlist_head refs;
 	u8 loop_check_depth;
 
+	/*
+	 * usage count, used together with epitem->dying to
+	 * orchestrate the disposal of this struct
+	 */
+	refcount_t refcount;
+
+	/* used to defer freeing past ep_get_upwards_depth_proc() RCU walk */
+	struct rcu_head rcu;
+
 #ifdef CONFIG_NET_RX_BUSY_POLL
 	/* used to track busy poll napi_id */
 	unsigned int napi_id;
@@ -241,9 +251,7 @@ struct ep_pqueue {
 /* Maximum number of epoll watched descriptors, per user */
 static long max_user_watches __read_mostly;
 
-/*
- * This mutex is used to serialize ep_free() and eventpoll_release_file().
- */
+/* Used for cycles detection */
 static DEFINE_MUTEX(epmutex);
 
 static u64 loop_check_gen = 0;
@@ -551,8 +559,7 @@ static void ep_remove_wait_queue(struct eppoll_entry *pwq)
 
 /*
  * This function unregisters poll callbacks from the associated file
- * descriptor.  Must be called with "mtx" held (or "epmutex" if called from
- * ep_free).
+ * descriptor.  Must be called with "mtx" held.
  */
 static void ep_unregister_pollwait(struct eventpoll *ep, struct epitem *epi)
 {
@@ -675,11 +682,41 @@ static void epi_rcu_free(struct rcu_head *head)
 	kmem_cache_free(epi_cache, epi);
 }
 
+static void ep_get(struct eventpoll *ep)
+{
+	refcount_inc(&ep->refcount);
+}
+
+/*
+ * Returns true if the event poll can be disposed
+ */
+static bool ep_refcount_dec_and_test(struct eventpoll *ep)
+{
+	if (!refcount_dec_and_test(&ep->refcount))
+		return false;
+
+	WARN_ON_ONCE(!RB_EMPTY_ROOT(&ep->rbr.rb_root));
+	return true;
+}
+
+static void ep_free(struct eventpoll *ep)
+{
+	mutex_destroy(&ep->mtx);
+	free_uid(ep->user);
+	wakeup_source_unregister(ep->ws);
+	/* ep_get_upwards_depth_proc() may still hold epi->ep under RCU */
+	kfree_rcu(ep, rcu);
+}
+
 /*
  * Removes a "struct epitem" from the eventpoll RB tree and deallocates
  * all the associated resources. Must be called with "mtx" held.
+ * If the dying flag is set, do the removal only if force is true.
+ * This prevents ep_clear_and_put() from dropping all the ep references
+ * while running concurrently with eventpoll_release_file().
+ * Returns true if the eventpoll can be disposed.
  */
-static int ep_remove(struct eventpoll *ep, struct epitem *epi)
+static bool __ep_remove(struct eventpoll *ep, struct epitem *epi, bool force)
 {
 	struct file *file = epi->ffd.file;
 	struct epitems_head *to_free;
@@ -694,6 +731,11 @@ static int ep_remove(struct eventpoll *ep, struct epitem *epi)
 
 	/* Remove the current item from the list of epoll hooks */
 	spin_lock(&file->f_lock);
+	if (epi->dying && !force) {
+		spin_unlock(&file->f_lock);
+		return false;
+	}
+
 	to_free = NULL;
 	head = file->f_ep;
 	if (head->first == &epi->fllink && !epi->fllink.next) {
@@ -728,28 +770,28 @@ static int ep_remove(struct eventpoll *ep, struct epitem *epi)
 	call_rcu(&epi->rcu, epi_rcu_free);
 
 	percpu_counter_dec(&ep->user->epoll_watches);
+	return ep_refcount_dec_and_test(ep);
+}
 
-	return 0;
+/*
+ * ep_remove variant for callers owing an additional reference to the ep
+ */
+static void ep_remove_safe(struct eventpoll *ep, struct epitem *epi)
+{
+	WARN_ON_ONCE(__ep_remove(ep, epi, false));
 }
 
-static void ep_free(struct eventpoll *ep)
+static void ep_clear_and_put(struct eventpoll *ep)
 {
-	struct rb_node *rbp;
+	struct rb_node *rbp, *next;
 	struct epitem *epi;
+	bool dispose;
 
 	/* We need to release all tasks waiting for these file */
 	if (waitqueue_active(&ep->poll_wait))
 		ep_poll_safewake(ep, NULL, 0);
 
-	/*
-	 * We need to lock this because we could be hit by
-	 * eventpoll_release_file() while we're freeing the "struct eventpoll".
-	 * We do not need to hold "ep->mtx" here because the epoll file
-	 * is on the way to be removed and no one has references to it
-	 * anymore. The only hit might come from eventpoll_release_file() but
-	 * holding "epmutex" is sufficient here.
-	 */
-	mutex_lock(&epmutex);
+	mutex_lock(&ep->mtx);
 
 	/*
 	 * Walks through the whole tree by unregistering poll callbacks.
@@ -762,26 +804,25 @@ static void ep_free(struct eventpoll *ep)
 	}
 
 	/*
-	 * Walks through the whole tree by freeing each "struct epitem". At this
-	 * point we are sure no poll callbacks will be lingering around, and also by
-	 * holding "epmutex" we can be sure that no file cleanup code will hit
-	 * us during this operation. So we can avoid the lock on "ep->lock".
-	 * We do not need to lock ep->mtx, either, we only do it to prevent
-	 * a lockdep warning.
+	 * Walks through the whole tree and try to free each "struct epitem".
+	 * Note that ep_remove_safe() will not remove the epitem in case of a
+	 * racing eventpoll_release_file(); the latter will do the removal.
+	 * At this point we are sure no poll callbacks will be lingering around.
+	 * Since we still own a reference to the eventpoll struct, the loop can't
+	 * dispose it.
 	 */
-	mutex_lock(&ep->mtx);
-	while ((rbp = rb_first_cached(&ep->rbr)) != NULL) {
+	for (rbp = rb_first_cached(&ep->rbr); rbp; rbp = next) {
+		next = rb_next(rbp);
 		epi = rb_entry(rbp, struct epitem, rbn);
-		ep_remove(ep, epi);
+		ep_remove_safe(ep, epi);
 		cond_resched();
 	}
+
+	dispose = ep_refcount_dec_and_test(ep);
 	mutex_unlock(&ep->mtx);
 
-	mutex_unlock(&epmutex);
-	mutex_destroy(&ep->mtx);
-	free_uid(ep->user);
-	wakeup_source_unregister(ep->ws);
-	kfree(ep);
+	if (dispose)
+		ep_free(ep);
 }
 
 static int ep_eventpoll_release(struct inode *inode, struct file *file)
@@ -789,7 +830,7 @@ static int ep_eventpoll_release(struct inode *inode, struct file *file)
 	struct eventpoll *ep = file->private_data;
 
 	if (ep)
-		ep_free(ep);
+		ep_clear_and_put(ep);
 
 	return 0;
 }
@@ -937,33 +978,34 @@ void eventpoll_release_file(struct file *file)
 {
 	struct eventpoll *ep;
 	struct epitem *epi;
-	struct hlist_node *next;
+	bool dispose;
 
 	/*
-	 * We don't want to get "file->f_lock" because it is not
-	 * necessary. It is not necessary because we're in the "struct file"
-	 * cleanup path, and this means that no one is using this file anymore.
-	 * So, for example, epoll_ctl() cannot hit here since if we reach this
-	 * point, the file counter already went to zero and fget() would fail.
-	 * The only hit might come from ep_free() but by holding the mutex
-	 * will correctly serialize the operation. We do need to acquire
-	 * "ep->mtx" after "epmutex" because ep_remove() requires it when called
-	 * from anywhere but ep_free().
-	 *
-	 * Besides, ep_remove() acquires the lock, so we can't hold it here.
+	 * Use the 'dying' flag to prevent a concurrent ep_clear_and_put() from
+	 * touching the epitems list before eventpoll_release_file() can access
+	 * the ep->mtx.
 	 */
-	mutex_lock(&epmutex);
-	if (unlikely(!file->f_ep)) {
-		mutex_unlock(&epmutex);
-		return;
-	}
-	hlist_for_each_entry_safe(epi, next, file->f_ep, fllink) {
+again:
+	spin_lock(&file->f_lock);
+	if (file->f_ep && file->f_ep->first) {
+		epi = hlist_entry(file->f_ep->first, struct epitem, fllink);
+		epi->dying = true;
+		spin_unlock(&file->f_lock);
+
+		/*
+		 * ep access is safe as we still own a reference to the ep
+		 * struct
+		 */
 		ep = epi->ep;
-		mutex_lock_nested(&ep->mtx, 0);
-		ep_remove(ep, epi);
+		mutex_lock(&ep->mtx);
+		dispose = __ep_remove(ep, epi, true);
 		mutex_unlock(&ep->mtx);
+
+		if (dispose)
+			ep_free(ep);
+		goto again;
 	}
-	mutex_unlock(&epmutex);
+	spin_unlock(&file->f_lock);
 }
 
 static int ep_alloc(struct eventpoll **pep)
@@ -986,6 +1028,7 @@ static int ep_alloc(struct eventpoll **pep)
 	ep->rbr = RB_ROOT_CACHED;
 	ep->ovflist = EP_UNACTIVE_PTR;
 	ep->user = user;
+	refcount_set(&ep->refcount, 1);
 
 	*pep = ep;
 
@@ -1257,10 +1300,10 @@ out_unlock:
 		 */
 		list_del_init(&wait->entry);
 		/*
-		 * ->whead != NULL protects us from the race with ep_free()
-		 * or ep_remove(), ep_remove_wait_queue() takes whead->lock
-		 * held by the caller. Once we nullify it, nothing protects
-		 * ep/epi or even wait.
+		 * ->whead != NULL protects us from the race with
+		 * ep_clear_and_put() or ep_remove(), ep_remove_wait_queue()
+		 * takes whead->lock held by the caller. Once we nullify it,
+		 * nothing protects ep/epi or even wait.
 		 */
 		smp_store_release(&ep_pwq_from_wait(wait)->whead, NULL);
 	}
@@ -1531,16 +1574,22 @@ static int ep_insert(struct eventpoll *ep, const struct epoll_event *event,
 	if (tep)
 		mutex_unlock(&tep->mtx);
 
+	/*
+	 * ep_remove_safe() calls in the later error paths can't lead to
+	 * ep_free() as the ep file itself still holds an ep reference.
+	 */
+	ep_get(ep);
+
 	/* now check if we've created too many backpaths */
 	if (unlikely(full_check && reverse_path_check())) {
-		ep_remove(ep, epi);
+		ep_remove_safe(ep, epi);
 		return -EINVAL;
 	}
 
 	if (epi->event.events & EPOLLWAKEUP) {
 		error = ep_create_wakeup_source(epi);
 		if (error) {
-			ep_remove(ep, epi);
+			ep_remove_safe(ep, epi);
 			return error;
 		}
 	}
@@ -1564,7 +1613,7 @@ static int ep_insert(struct eventpoll *ep, const struct epoll_event *event,
 	 * high memory pressure.
 	 */
 	if (unlikely(!epq.epi)) {
-		ep_remove(ep, epi);
+		ep_remove_safe(ep, epi);
 		return -ENOMEM;
 	}
 
@@ -2096,7 +2145,7 @@ static int do_epoll_create(int flags)
 out_free_fd:
 	put_unused_fd(fd);
 out_free_ep:
-	ep_free(ep);
+	ep_clear_and_put(ep);
 	return error;
 }
 
@@ -2238,10 +2287,16 @@ int do_epoll_ctl(int epfd, int op, int fd, struct epoll_event *epds,
 			error = -EEXIST;
 		break;
 	case EPOLL_CTL_DEL:
-		if (epi)
-			error = ep_remove(ep, epi);
-		else
+		if (epi) {
+			/*
+			 * The eventpoll itself is still alive: the refcount
+			 * can't go to zero here.
+			 */
+			ep_remove_safe(ep, epi);
+			error = 0;
+		} else {
 			error = -ENOENT;
+		}
 		break;
 	case EPOLL_CTL_MOD:
 		if (epi) {
diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index 85b6a76378ee72..f8d8c21261727e 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -1457,9 +1457,17 @@ struct inode *ext2_iget (struct super_block *sb, unsigned long ino)
 	 * the test is that same one that e2fsck uses
 	 * NeilBrown 1999oct15
 	 */
-	if (inode->i_nlink == 0 && (inode->i_mode == 0 || ei->i_dtime)) {
-		/* this inode is deleted */
-		ret = -ESTALE;
+	if (inode->i_nlink == 0) {
+		if (inode->i_mode == 0 || ei->i_dtime) {
+			/* this inode is deleted */
+			ret = -ESTALE;
+		} else {
+			ext2_error(sb, __func__,
+				   "inode %lu has zero i_nlink with mode 0%o and no dtime, "
+				   "filesystem may be corrupt",
+				   ino, inode->i_mode);
+			ret = -EFSCORRUPTED;
+		}
 		goto bad_inode;
 	}
 	inode->i_blocks = le32_to_cpu(raw_inode->i_blocks);
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index 689558d53e145c..d6ccd3801eb4ae 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -1112,7 +1112,7 @@ ext4_xattr_inode_dec_ref_all(handle_t *handle, struct inode *parent,
 {
 	struct inode *ea_inode;
 	struct ext4_xattr_entry *entry;
-	struct ext4_iloc iloc;
+	struct ext4_iloc iloc = { .bh = NULL };
 	bool dirty = false;
 	unsigned int ea_ino;
 	int err;
@@ -1207,6 +1207,8 @@ ext4_xattr_inode_dec_ref_all(handle_t *handle, struct inode *parent,
 			ext4_warning_inode(parent,
 					   "handle dirty metadata err=%d", err);
 	}
+
+	brelse(iloc.bh);
 }
 
 /*
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 887e286d2c3290..6fe3f3aa101eca 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -1523,8 +1523,11 @@ int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map,
 	}
 
 next_dnode:
-	if (map->m_may_create)
+	if (map->m_may_create) {
+		if (f2fs_lfs_mode(sbi))
+			f2fs_balance_fs(sbi, true);
 		f2fs_do_map_lock(sbi, flag, true);
+	}
 
 	/* When reading holes, we need its node page */
 	set_new_dnode(&dn, inode, NULL, NULL, 0);
@@ -2537,9 +2540,6 @@ int f2fs_encrypt_one_page(struct f2fs_io_info *fio)
 
 	page = fio->compressed_page ? fio->compressed_page : fio->page;
 
-	/* wait for GCed page writeback via META_MAPPING */
-	f2fs_wait_on_block_writeback(inode, fio->old_blkaddr);
-
 	if (fscrypt_inode_uses_inline_crypto(inode))
 		return 0;
 
@@ -2718,6 +2718,11 @@ got_it:
 		err = -EFSCORRUPTED;
 		goto out_writepage;
 	}
+
+	/* wait for GCed page writeback via META_MAPPING */
+	if (fio->post_read)
+		f2fs_wait_on_block_writeback(inode, fio->old_blkaddr);
+
 	/*
 	 * If current allocation needs SSR,
 	 * it had better in-place writes for updated data.
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 6f6368400ee46b..08fe8fa95924a9 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -4634,9 +4634,6 @@ static int __init init_f2fs_fs(void)
 	err = register_shrinker(&f2fs_shrinker_info);
 	if (err)
 		goto free_sysfs;
-	err = register_filesystem(&f2fs_fs_type);
-	if (err)
-		goto free_shrinker;
 	f2fs_create_root_stats();
 	err = f2fs_init_post_read_processing();
 	if (err)
@@ -4660,6 +4657,7 @@ static int __init init_f2fs_fs(void)
 	if (err)
 		goto free_compress_cache;
 	err = f2fs_init_xattr_cache();
+	err = register_filesystem(&f2fs_fs_type);
 	if (err)
 		goto free_casefold_cache;
 	return 0;
@@ -4679,8 +4677,6 @@ free_post_read:
 	f2fs_destroy_post_read_processing();
 free_root_stats:
 	f2fs_destroy_root_stats();
-	unregister_filesystem(&f2fs_fs_type);
-free_shrinker:
 	unregister_shrinker(&f2fs_shrinker_info);
 free_sysfs:
 	f2fs_exit_sysfs();
@@ -4704,6 +4700,7 @@ fail:
 
 static void __exit exit_f2fs_fs(void)
 {
+	unregister_filesystem(&f2fs_fs_type);
 	f2fs_destroy_xattr_cache();
 	f2fs_destroy_casefold_cache();
 	f2fs_destroy_compress_cache();
@@ -4713,7 +4710,6 @@ static void __exit exit_f2fs_fs(void)
 	f2fs_destroy_iostat_processing();
 	f2fs_destroy_post_read_processing();
 	f2fs_destroy_root_stats();
-	unregister_filesystem(&f2fs_fs_type);
 	unregister_shrinker(&f2fs_shrinker_info);
 	f2fs_exit_sysfs();
 	f2fs_destroy_garbage_collection_cache();
diff --git a/fs/fuse/control.c b/fs/fuse/control.c
index 79f01d09c78cb8..cc71d39a4c8364 100644
--- a/fs/fuse/control.c
+++ b/fs/fuse/control.c
@@ -120,7 +120,7 @@ static ssize_t fuse_conn_max_background_write(struct file *file,
 					      const char __user *buf,
 					      size_t count, loff_t *ppos)
 {
-	unsigned val;
+	unsigned int val = 0;
 	ssize_t ret;
 
 	ret = fuse_conn_limit_write(file, buf, count, ppos, &val,
@@ -162,7 +162,7 @@ static ssize_t fuse_conn_congestion_threshold_write(struct file *file,
 						    const char __user *buf,
 						    size_t count, loff_t *ppos)
 {
-	unsigned val;
+	unsigned int val = 0;
 	struct fuse_conn *fc;
 	struct fuse_mount *fm;
 	ssize_t ret;
diff --git a/fs/fuse/readdir.c b/fs/fuse/readdir.c
index 14e99ffa57af9a..0e4a2681515ffa 100644
--- a/fs/fuse/readdir.c
+++ b/fs/fuse/readdir.c
@@ -41,6 +41,10 @@ static void fuse_add_dirent_to_cache(struct file *file,
 	unsigned int offset;
 	void *addr;
 
+	/* Dirent doesn't fit in readdir cache page?  Skip caching. */
+	if (reclen > PAGE_SIZE)
+		return;
+
 	spin_lock(&fi->rdc.lock);
 	/*
 	 * Is cache already completed?  Or this entry does not go at the end of
diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c
index 42b7dfffb5e7eb..559cad553db62c 100644
--- a/fs/gfs2/dir.c
+++ b/fs/gfs2/dir.c
@@ -60,6 +60,7 @@
 #include <linux/crc32.h>
 #include <linux/vmalloc.h>
 #include <linux/bio.h>
+#include <linux/log2.h>
 
 #include "gfs2.h"
 #include "incore.h"
@@ -562,15 +563,18 @@ static struct gfs2_dirent *gfs2_dirent_scan(struct inode *inode, void *buf,
 	int ret = 0;
 
 	ret = gfs2_dirent_offset(GFS2_SB(inode), buf);
-	if (ret < 0)
-		goto consist_inode;
-
+	if (ret < 0) {
+		gfs2_consist_inode(GFS2_I(inode));
+		return ERR_PTR(-EIO);
+	}
 	offset = ret;
 	prev = NULL;
 	dent = buf + offset;
 	size = be16_to_cpu(dent->de_rec_len);
-	if (gfs2_check_dirent(GFS2_SB(inode), dent, offset, size, len, 1))
-		goto consist_inode;
+	if (gfs2_check_dirent(GFS2_SB(inode), dent, offset, size, len, 1)) {
+		gfs2_consist_inode(GFS2_I(inode));
+		return ERR_PTR(-EIO);
+	}
 	do {
 		ret = scan(dent, name, opaque);
 		if (ret)
@@ -582,8 +586,10 @@ static struct gfs2_dirent *gfs2_dirent_scan(struct inode *inode, void *buf,
 		dent = buf + offset;
 		size = be16_to_cpu(dent->de_rec_len);
 		if (gfs2_check_dirent(GFS2_SB(inode), dent, offset, size,
-				      len, 0))
-			goto consist_inode;
+				      len, 0)) {
+			gfs2_consist_inode(GFS2_I(inode));
+			return ERR_PTR(-EIO);
+		}
 	} while(1);
 
 	switch(ret) {
@@ -597,10 +603,6 @@ static struct gfs2_dirent *gfs2_dirent_scan(struct inode *inode, void *buf,
 		BUG_ON(ret > 0);
 		return ERR_PTR(ret);
 	}
-
-consist_inode:
-	gfs2_consist_inode(GFS2_I(inode));
-	return ERR_PTR(-EIO);
 }
 
 static int dirent_check_reclen(struct gfs2_inode *dip,
@@ -609,14 +611,16 @@ static int dirent_check_reclen(struct gfs2_inode *dip,
 	const void *ptr = d;
 	u16 rec_len = be16_to_cpu(d->de_rec_len);
 
-	if (unlikely(rec_len < sizeof(struct gfs2_dirent)))
-		goto broken;
+	if (unlikely(rec_len < sizeof(struct gfs2_dirent))) {
+		gfs2_consist_inode(dip);
+		return -EIO;
+	}
 	ptr += rec_len;
 	if (ptr < end_p)
 		return rec_len;
 	if (ptr == end_p)
 		return -ENOENT;
-broken:
+
 	gfs2_consist_inode(dip);
 	return -EIO;
 }
@@ -909,7 +913,6 @@ static int dir_make_exhash(struct inode *inode)
 	struct qstr args;
 	struct buffer_head *bh, *dibh;
 	struct gfs2_leaf *leaf;
-	int y;
 	u32 x;
 	__be64 *lp;
 	u64 bn;
@@ -976,9 +979,7 @@ static int dir_make_exhash(struct inode *inode)
 	i_size_write(inode, sdp->sd_sb.sb_bsize / 2);
 	gfs2_add_inode_blocks(&dip->i_inode, 1);
 	dip->i_diskflags |= GFS2_DIF_EXHASH;
-
-	for (x = sdp->sd_hash_ptrs, y = -1; x; x >>= 1, y++) ;
-	dip->i_depth = y;
+	dip->i_depth = ilog2(sdp->sd_hash_ptrs);
 
 	gfs2_dinode_out(dip, dibh->b_data);
 
diff --git a/fs/gfs2/glops.c b/fs/gfs2/glops.c
index 5a4b3550d833fc..8a077de9ee0a41 100644
--- a/fs/gfs2/glops.c
+++ b/fs/gfs2/glops.c
@@ -11,6 +11,7 @@
 #include <linux/bio.h>
 #include <linux/posix_acl.h>
 #include <linux/security.h>
+#include <linux/log2.h>
 
 #include "gfs2.h"
 #include "incore.h"
@@ -405,10 +406,14 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf)
 	struct inode *inode = &ip->i_inode;
 	bool is_new = inode->i_state & I_NEW;
 
-	if (unlikely(ip->i_no_addr != be64_to_cpu(str->di_num.no_addr)))
-		goto corrupt;
-	if (unlikely(!is_new && inode_wrong_type(inode, mode)))
-		goto corrupt;
+	if (unlikely(ip->i_no_addr != be64_to_cpu(str->di_num.no_addr))) {
+		gfs2_consist_inode(ip);
+		return -EIO;
+	}
+	if (unlikely(!is_new && inode_wrong_type(inode, mode))) {
+		gfs2_consist_inode(ip);
+		return -EIO;
+	}
 	ip->i_no_formal_ino = be64_to_cpu(str->di_num.no_formal_ino);
 	inode->i_mode = mode;
 	if (is_new) {
@@ -444,26 +449,33 @@ static int gfs2_dinode_in(struct gfs2_inode *ip, const void *buf)
 	/* i_diskflags and i_eattr must be set before gfs2_set_inode_flags() */
 	gfs2_set_inode_flags(inode);
 	height = be16_to_cpu(str->di_height);
-	if (unlikely(height > sdp->sd_max_height))
-		goto corrupt;
+	if (unlikely(height > sdp->sd_max_height)) {
+		gfs2_consist_inode(ip);
+		return -EIO;
+	}
 	ip->i_height = (u8)height;
 
 	depth = be16_to_cpu(str->di_depth);
-	if (unlikely(depth > GFS2_DIR_MAX_DEPTH))
-		goto corrupt;
+	if (unlikely(depth > GFS2_DIR_MAX_DEPTH)) {
+		gfs2_consist_inode(ip);
+		return -EIO;
+	}
+	if ((ip->i_diskflags & GFS2_DIF_EXHASH) &&
+	    depth < ilog2(sdp->sd_hash_ptrs)) {
+		gfs2_consist_inode(ip);
+		return -EIO;
+	}
 	ip->i_depth = (u8)depth;
 	ip->i_entries = be32_to_cpu(str->di_entries);
 
-	if (gfs2_is_stuffed(ip) && inode->i_size > gfs2_max_stuffed_size(ip))
-		goto corrupt;
-
+	if (gfs2_is_stuffed(ip) && inode->i_size > gfs2_max_stuffed_size(ip)) {
+		gfs2_consist_inode(ip);
+		return -EIO;
+	}
 	if (S_ISREG(inode->i_mode))
 		gfs2_set_aops(inode);
 
 	return 0;
-corrupt:
-	gfs2_consist_inode(ip);
-	return -EIO;
 }
 
 /**
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index e7867b0f6c62cd..354362c7c4f991 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -470,8 +470,9 @@ void gfs2_log_release(struct gfs2_sbd *sdp, unsigned int blks)
 {
 	atomic_add(blks, &sdp->sd_log_blks_free);
 	trace_gfs2_log_blocks(sdp, blks);
-	gfs2_assert_withdraw(sdp, atomic_read(&sdp->sd_log_blks_free) <=
-				  sdp->sd_jdesc->jd_blocks);
+	gfs2_assert_withdraw(sdp, !sdp->sd_jdesc ||
+			atomic_read(&sdp->sd_log_blks_free) <=
+			sdp->sd_jdesc->jd_blocks);
 	if (atomic_read(&sdp->sd_log_blks_needed))
 		wake_up(&sdp->sd_log_waitq);
 }
@@ -1017,14 +1018,15 @@ static void trans_drain(struct gfs2_trans *tr)
 }
 
 /**
- * gfs2_log_flush - flush incore transaction(s)
+ * __gfs2_log_flush - flush incore transaction(s)
  * @sdp: The filesystem
  * @gl: The glock structure to flush.  If NULL, flush the whole incore log
  * @flags: The log header flags: GFS2_LOG_HEAD_FLUSH_* and debug flags
  *
  */
 
-void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl, u32 flags)
+static void __gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl,
+			     u32 flags)
 {
 	struct gfs2_trans *tr = NULL;
 	unsigned int reserved_blocks = 0, used_blocks = 0;
@@ -1032,7 +1034,6 @@ void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl, u32 flags)
 	unsigned int first_log_head;
 	unsigned int reserved_revokes = 0;
 
-	down_write(&sdp->sd_log_flush_lock);
 	trace_gfs2_log_flush(sdp, 1, flags);
 
 repeat:
@@ -1145,7 +1146,6 @@ out:
 		gfs2_assert_withdraw_delayed(sdp, used_blocks < reserved_blocks);
 		gfs2_log_release(sdp, reserved_blocks - used_blocks);
 	}
-	up_write(&sdp->sd_log_flush_lock);
 	gfs2_trans_free(sdp, tr);
 	if (gfs2_withdrawing(sdp))
 		gfs2_withdraw(sdp);
@@ -1168,6 +1168,13 @@ out_withdraw:
 	goto out_end;
 }
 
+void gfs2_log_flush(struct gfs2_sbd *sdp, struct gfs2_glock *gl, u32 flags)
+{
+	down_write(&sdp->sd_log_flush_lock);
+	__gfs2_log_flush(sdp, gl, flags);
+	up_write(&sdp->sd_log_flush_lock);
+}
+
 /**
  * gfs2_merge_trans - Merge a new transaction into a cached transaction
  * @sdp: the filesystem
@@ -1313,19 +1320,25 @@ int gfs2_logd(void *data)
 		}
 
 		if (gfs2_jrnl_flush_reqd(sdp) || t == 0) {
+			down_write(&sdp->sd_log_flush_lock);
 			gfs2_ail1_empty(sdp, 0);
-			gfs2_log_flush(sdp, NULL, GFS2_LOG_HEAD_FLUSH_NORMAL |
-						  GFS2_LFC_LOGD_JFLUSH_REQD);
+			__gfs2_log_flush(sdp, NULL,
+					 GFS2_LOG_HEAD_FLUSH_NORMAL |
+					 GFS2_LFC_LOGD_JFLUSH_REQD);
+			up_write(&sdp->sd_log_flush_lock);
 		}
 
 		if (test_bit(SDF_FORCE_AIL_FLUSH, &sdp->sd_flags) ||
 		    gfs2_ail_flush_reqd(sdp)) {
 			clear_bit(SDF_FORCE_AIL_FLUSH, &sdp->sd_flags);
+			down_write(&sdp->sd_log_flush_lock);
 			gfs2_ail1_start(sdp);
 			gfs2_ail1_wait(sdp);
 			gfs2_ail1_empty(sdp, 0);
-			gfs2_log_flush(sdp, NULL, GFS2_LOG_HEAD_FLUSH_NORMAL |
-						  GFS2_LFC_LOGD_AIL_FLUSH_REQD);
+			__gfs2_log_flush(sdp, NULL,
+					 GFS2_LOG_HEAD_FLUSH_NORMAL |
+					 GFS2_LFC_LOGD_AIL_FLUSH_REQD);
+			up_write(&sdp->sd_log_flush_lock);
 		}
 
 		t = gfs2_tune_get(sdp, gt_logd_secs) * HZ;
diff --git a/fs/gfs2/util.c b/fs/gfs2/util.c
index 9cdece49284541..7ac03919a9d301 100644
--- a/fs/gfs2/util.c
+++ b/fs/gfs2/util.c
@@ -234,31 +234,23 @@ static void signal_our_withdraw(struct gfs2_sbd *sdp)
 	 */
 	ret = gfs2_glock_nq(&sdp->sd_live_gh);
 
+	gfs2_glock_put(live_gl); /* drop extra reference we acquired */
+	clear_bit(SDF_WITHDRAW_RECOVERY, &sdp->sd_flags);
+
 	/*
 	 * If we actually got the "live" lock in EX mode, there are no other
-	 * nodes available to replay our journal. So we try to replay it
-	 * ourselves. We hold the "live" glock to prevent other mounters
-	 * during recovery, then just dequeue it and reacquire it in our
-	 * normal SH mode. Just in case the problem that caused us to
-	 * withdraw prevents us from recovering our journal (e.g. io errors
-	 * and such) we still check if the journal is clean before proceeding
-	 * but we may wait forever until another mounter does the recovery.
+	 * nodes available to replay our journal.
 	 */
 	if (ret == 0) {
-		fs_warn(sdp, "No other mounters found. Trying to recover our "
-			"own journal jid %d.\n", sdp->sd_lockstruct.ls_jid);
-		if (gfs2_recover_journal(sdp->sd_jdesc, 1))
-			fs_warn(sdp, "Unable to recover our journal jid %d.\n",
-				sdp->sd_lockstruct.ls_jid);
-		gfs2_glock_dq_wait(&sdp->sd_live_gh);
-		gfs2_holder_reinit(LM_ST_SHARED, LM_FLAG_NOEXP | GL_EXACT,
-				   &sdp->sd_live_gh);
-		gfs2_glock_nq(&sdp->sd_live_gh);
+		fs_warn(sdp, "No other mounters found.\n");
+		/*
+		 * We are about to release the lockspace.  By keeping live_gl
+		 * locked here, we ensure that the next mounter coming along
+		 * will be a "first" mounter which will perform recovery.
+		 */
+		goto skip_recovery;
 	}
 
-	gfs2_glock_queue_put(live_gl); /* drop extra reference we acquired */
-	clear_bit(SDF_WITHDRAW_RECOVERY, &sdp->sd_flags);
-
 	/*
 	 * At this point our journal is evicted, so we need to get a new inode
 	 * for it. Once done, we need to call gfs2_find_jhead which
diff --git a/fs/gfs2/xattr.c b/fs/gfs2/xattr.c
index 0c5650fe1fd182..2b0fe8cf2173a8 100644
--- a/fs/gfs2/xattr.c
+++ b/fs/gfs2/xattr.c
@@ -96,30 +96,34 @@ static int ea_foreach_i(struct gfs2_inode *ip, struct buffer_head *bh,
 		return -EIO;
 
 	for (ea = GFS2_EA_BH2FIRST(bh);; prev = ea, ea = GFS2_EA2NEXT(ea)) {
-		if (!GFS2_EA_REC_LEN(ea))
-			goto fail;
+		if (!GFS2_EA_REC_LEN(ea)) {
+			gfs2_consist_inode(ip);
+			return -EIO;
+		}
 		if (!(bh->b_data <= (char *)ea && (char *)GFS2_EA2NEXT(ea) <=
-						  bh->b_data + bh->b_size))
-			goto fail;
-		if (!gfs2_eatype_valid(sdp, ea->ea_type))
-			goto fail;
+						  bh->b_data + bh->b_size)) {
+			gfs2_consist_inode(ip);
+			return -EIO;
+		}
+		if (!gfs2_eatype_valid(sdp, ea->ea_type)) {
+			gfs2_consist_inode(ip);
+			return -EIO;
+		}
 		error = ea_call(ip, bh, ea, prev, data);
 		if (error)
 			return error;
 
 		if (GFS2_EA_IS_LAST(ea)) {
 			if ((char *)GFS2_EA2NEXT(ea) !=
-			    bh->b_data + bh->b_size)
-				goto fail;
+			    bh->b_data + bh->b_size) {
+				gfs2_consist_inode(ip);
+				return -EIO;
+			}
 			break;
 		}
 	}
 
 	return error;
-
-fail:
-	gfs2_consist_inode(ip);
-	return -EIO;
 }
 
 static int ea_foreach(struct gfs2_inode *ip, ea_call_t ea_call, void *data)
diff --git a/fs/isofs/export.c b/fs/isofs/export.c
index 421d247fae5230..78f80c1a5c54a0 100644
--- a/fs/isofs/export.c
+++ b/fs/isofs/export.c
@@ -24,7 +24,7 @@ isofs_export_iget(struct super_block *sb,
 {
 	struct inode *inode;
 
-	if (block == 0)
+	if (block == 0 || block >= ISOFS_SB(sb)->s_nzones)
 		return ERR_PTR(-ESTALE);
 	inode = isofs_iget(sb, block, offset);
 	if (IS_ERR(inode))
diff --git a/fs/isofs/rock.c b/fs/isofs/rock.c
index 4880146babaf90..277734fc179d7c 100644
--- a/fs/isofs/rock.c
+++ b/fs/isofs/rock.c
@@ -101,6 +101,15 @@ static int rock_continue(struct rock_state *rs)
 		goto out;
 	}
 
+	if ((unsigned)rs->cont_extent >= ISOFS_SB(rs->inode->i_sb)->s_nzones) {
+		printk(KERN_NOTICE "rock: corrupted directory entry. "
+			"extent=%u out of volume (nzones=%lu)\n",
+			(unsigned)rs->cont_extent,
+			ISOFS_SB(rs->inode->i_sb)->s_nzones);
+		ret = -EIO;
+		goto out;
+	}
+
 	if (rs->cont_extent) {
 		struct buffer_head *bh;
 
diff --git a/fs/ksmbd/auth.c b/fs/ksmbd/auth.c
index 647692ca78a288..8fc7a1fffd55aa 100644
--- a/fs/ksmbd/auth.c
+++ b/fs/ksmbd/auth.c
@@ -1108,6 +1108,7 @@ int ksmbd_crypt_message(struct ksmbd_work *work, struct kvec *iov,
 	struct smb2_transform_hdr *tr_hdr = smb2_get_msg(iov[0].iov_base);
 	unsigned int assoc_data_len = sizeof(struct smb2_transform_hdr) - 20;
 	int rc;
+	DECLARE_CRYPTO_WAIT(wait);
 	struct scatterlist *sg;
 	u8 sign[SMB2_SIGNATURE_SIZE] = {};
 	u8 key[SMB3_ENC_DEC_KEY_SIZE];
@@ -1194,12 +1195,12 @@ int ksmbd_crypt_message(struct ksmbd_work *work, struct kvec *iov,
 
 	aead_request_set_crypt(req, sg, sg, crypt_len, iv);
 	aead_request_set_ad(req, assoc_data_len);
-	aead_request_set_callback(req, CRYPTO_TFM_REQ_MAY_SLEEP, NULL, NULL);
+	aead_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG |
+				  CRYPTO_TFM_REQ_MAY_SLEEP,
+				  crypto_req_done, &wait);
 
-	if (enc)
-		rc = crypto_aead_encrypt(req);
-	else
-		rc = crypto_aead_decrypt(req);
+	rc = crypto_wait_req(enc ? crypto_aead_encrypt(req) :
+			     crypto_aead_decrypt(req), &wait);
 	if (rc)
 		goto free_iv;
 
diff --git a/fs/ksmbd/mgmt/user_session.c b/fs/ksmbd/mgmt/user_session.c
index 8bd18610547d98..b6b6572d402d38 100644
--- a/fs/ksmbd/mgmt/user_session.c
+++ b/fs/ksmbd/mgmt/user_session.c
@@ -153,6 +153,7 @@ void ksmbd_session_destroy(struct ksmbd_session *sess)
 	free_channel_list(sess);
 	kfree(sess->Preauth_HashValue);
 	ksmbd_release_id(&session_ida, sess->id);
+	ida_destroy(&sess->tree_conn_ida);
 	kfree(sess);
 }
 
@@ -300,8 +301,13 @@ struct ksmbd_session *ksmbd_session_lookup_all(struct ksmbd_conn *conn,
 	struct ksmbd_session *sess;
 
 	sess = ksmbd_session_lookup(conn, id);
-	if (!sess && conn->binding)
+	if (!sess && conn->binding) {
 		sess = ksmbd_session_lookup_slowpath(id);
+		if (sess && !xa_load(&sess->ksmbd_chann_list, (long)conn)) {
+			ksmbd_user_session_put(sess);
+			sess = NULL;
+		}
+	}
 	if (sess && sess->state != SMB2_SESSION_VALID) {
 		ksmbd_user_session_put(sess);
 		sess = NULL;
@@ -382,6 +388,8 @@ static struct ksmbd_session *__session_create(int protocol)
 	if (!sess)
 		return NULL;
 
+	ida_init(&sess->tree_conn_ida);
+
 	if (ksmbd_init_file_table(&sess->file_table))
 		goto error;
 
@@ -399,8 +407,6 @@ static struct ksmbd_session *__session_create(int protocol)
 	if (ret)
 		goto error;
 
-	ida_init(&sess->tree_conn_ida);
-
 	down_write(&sessions_table_lock);
 	hash_add(sessions_table, &sess->hlist, sess->id);
 	up_write(&sessions_table_lock);
diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c
index 978a103e72bb22..9fef4d88ee8ba3 100644
--- a/fs/ksmbd/smb2pdu.c
+++ b/fs/ksmbd/smb2pdu.c
@@ -1938,8 +1938,14 @@ out_err:
 			if (sess->user && sess->user->flags & KSMBD_USER_FLAG_DELAY_SESSION)
 				try_delay = true;
 
-			sess->last_active = jiffies;
-			sess->state = SMB2_SESSION_EXPIRED;
+			/*
+			 * For binding requests, session belongs to another
+			 * connection. Do not expire it.
+			 */
+			if (!(req->Flags & SMB2_SESSION_REQ_FLAG_BINDING)) {
+				sess->last_active = jiffies;
+				sess->state = SMB2_SESSION_EXPIRED;
+			}
 			ksmbd_user_session_put(sess);
 			work->sess = NULL;
 			if (try_delay) {
@@ -1949,6 +1955,7 @@ out_err:
 			}
 		}
 		smb2_set_err_rsp(work);
+		conn->binding = false;
 	} else {
 		unsigned int iov_len;
 
diff --git a/fs/nfs/blocklayout/blocklayout.c b/fs/nfs/blocklayout/blocklayout.c
index 76423557f5b3d0..54a18a9540aae6 100644
--- a/fs/nfs/blocklayout/blocklayout.c
+++ b/fs/nfs/blocklayout/blocklayout.c
@@ -399,14 +399,13 @@ bl_write_pagelist(struct nfs_pgio_header *header, int sync)
 	sector_t isect, extent_length = 0;
 	struct parallel_io *par = NULL;
 	loff_t offset = header->args.offset;
-	size_t count = header->args.count;
 	struct page **pages = header->args.pages;
 	int pg_index = header->args.pgbase >> PAGE_SHIFT;
 	unsigned int pg_len;
 	struct blk_plug plug;
 	int i;
 
-	dprintk("%s enter, %zu@%lld\n", __func__, count, offset);
+	dprintk("%s enter, %u@%lld\n", __func__, header->args.count, offset);
 
 	/* At this point, header->page_aray is a (sequential) list of nfs_pages.
 	 * We want to write each, and if there is an error set pnfs_error
@@ -448,7 +447,6 @@ bl_write_pagelist(struct nfs_pgio_header *header, int sync)
 		}
 
 		offset += pg_len;
-		count -= pg_len;
 		isect += (pg_len >> SECTOR_SHIFT);
 		extent_length -= (pg_len >> SECTOR_SHIFT);
 	}
diff --git a/fs/nilfs2/dat.c b/fs/nilfs2/dat.c
index 9b63cc42caac5c..e8f93a45ac6472 100644
--- a/fs/nilfs2/dat.c
+++ b/fs/nilfs2/dat.c
@@ -515,6 +515,9 @@ int nilfs_dat_read(struct super_block *sb, size_t entry_size,
 	if (err)
 		goto failed;
 
+	err = nilfs_attach_btree_node_cache(dat);
+	if (err)
+		goto failed;
 	err = nilfs_read_inode_common(dat, raw_inode);
 	if (err)
 		goto failed;
diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c
index 6a2f779e0bad49..77e6bae7d5c971 100644
--- a/fs/nilfs2/ioctl.c
+++ b/fs/nilfs2/ioctl.c
@@ -751,6 +751,12 @@ static int nilfs_ioctl_mark_blocks_dirty(struct the_nilfs *nilfs,
 	int ret, i;
 
 	for (i = 0; i < nmembs; i++) {
+		/*
+		 * bd_oblocknr must never be 0 as block 0
+		 * is never a valid GC target block
+		 */
+		if (unlikely(!bdescs[i].bd_oblocknr))
+			return -EINVAL;
 		/* XXX: use macro or inline func to check liveness */
 		ret = nilfs_bmap_lookup_at_level(bmap,
 						 bdescs[i].bd_offset,
diff --git a/fs/notify/fsnotify.c b/fs/notify/fsnotify.c
index 82602157bcc0f7..7da224a0ae7ce4 100644
--- a/fs/notify/fsnotify.c
+++ b/fs/notify/fsnotify.c
@@ -398,7 +398,7 @@ static struct fsnotify_mark *fsnotify_first_mark(struct fsnotify_mark_connector
 	return hlist_entry_safe(node, struct fsnotify_mark, obj_list);
 }
 
-static struct fsnotify_mark *fsnotify_next_mark(struct fsnotify_mark *mark)
+struct fsnotify_mark *fsnotify_next_mark(struct fsnotify_mark *mark)
 {
 	struct hlist_node *node = NULL;
 
diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c
index 131938986e54fa..fd5febf09ab06f 100644
--- a/fs/notify/inotify/inotify_user.c
+++ b/fs/notify/inotify/inotify_user.c
@@ -614,6 +614,7 @@ static int inotify_new_watch(struct fsnotify_group *group,
 	if (ret) {
 		/* we failed to get on the inode, get off the idr */
 		inotify_remove_from_idr(group, tmp_i_mark);
+		dec_inotify_watches(group->inotify_data.ucounts);
 		goto out_err;
 	}
 
diff --git a/fs/notify/mark.c b/fs/notify/mark.c
index 4be6e883d492f6..b419a5ccf192df 100644
--- a/fs/notify/mark.c
+++ b/fs/notify/mark.c
@@ -380,9 +380,6 @@ EXPORT_SYMBOL_GPL(fsnotify_put_mark);
  */
 static bool fsnotify_get_mark_safe(struct fsnotify_mark *mark)
 {
-	if (!mark)
-		return true;
-
 	if (refcount_inc_not_zero(&mark->refcnt)) {
 		spin_lock(&mark->lock);
 		if (mark->flags & FSNOTIFY_MARK_FLAG_ATTACHED) {
@@ -423,15 +420,22 @@ bool fsnotify_prepare_user_wait(struct fsnotify_iter_info *iter_info)
 	int type;
 
 	fsnotify_foreach_iter_type(type) {
+		struct fsnotify_mark *mark = iter_info->marks[type];
+
 		/* This can fail if mark is being removed */
-		if (!fsnotify_get_mark_safe(iter_info->marks[type])) {
-			__release(&fsnotify_mark_srcu);
-			goto fail;
+		while (mark && !fsnotify_get_mark_safe(mark)) {
+			if (mark->group == iter_info->current_group) {
+				__release(&fsnotify_mark_srcu);
+				goto fail;
+			}
+			/* This is a mark in an unrelated group, skip */
+			mark = fsnotify_next_mark(mark);
+			iter_info->marks[type] = mark;
 		}
 	}
 
 	/*
-	 * Now that both marks are pinned by refcount in the inode / vfsmount
+	 * Now that all marks are pinned by refcount in the inode / vfsmount / etc
 	 * lists, we can drop SRCU lock, and safely resume the list iteration
 	 * once userspace returns.
 	 */
diff --git a/fs/ntfs3/fslog.c b/fs/ntfs3/fslog.c
index d3d006b63b27ef..9b12d5a7ac8d5e 100644
--- a/fs/ntfs3/fslog.c
+++ b/fs/ntfs3/fslog.c
@@ -2792,13 +2792,14 @@ static inline bool check_file_record(const struct MFT_REC *rec,
 	u16 fn = le16_to_cpu(rec->rhdr.fix_num);
 	u16 ao = le16_to_cpu(rec->attr_off);
 	u32 rs = sbi->record_size;
+	u32 used = le32_to_cpu(rec->used);
 
 	/* Check the file record header for consistency. */
 	if (rec->rhdr.sign != NTFS_FILE_SIGNATURE ||
 	    fo > (SECTOR_SIZE - ((rs >> SECTOR_SHIFT) + 1) * sizeof(short)) ||
 	    (fn - 1) * SECTOR_SIZE != rs || ao < MFTRECORD_FIXUP_OFFSET_1 ||
 	    ao > sbi->record_size - SIZEOF_RESIDENT || !is_rec_inuse(rec) ||
-	    le32_to_cpu(rec->total) != rs) {
+	    le32_to_cpu(rec->total) != rs || used > rs || used < ao) {
 		return false;
 	}
 
@@ -2810,6 +2811,15 @@ static inline bool check_file_record(const struct MFT_REC *rec,
 		return false;
 	}
 
+	/*
+	 * The do_action() handlers compute memmove lengths as
+	 * "rec->used - <offset of validated attr>", which underflows when
+	 * rec->used is smaller than the attribute walk reached.  At this
+	 * point attr is the ATTR_END marker; rec->used must cover it.
+	 */
+	if (used < PtrOffset(rec, attr) + sizeof(attr->type))
+		return false;
+
 	return true;
 }
 
diff --git a/fs/ntfs3/record.c b/fs/ntfs3/record.c
index cef53583f9a16b..7965bea0b2c803 100644
--- a/fs/ntfs3/record.c
+++ b/fs/ntfs3/record.c
@@ -193,8 +193,9 @@ struct ATTRIB *mi_enum_attr(struct mft_inode *mi, struct ATTRIB *attr)
 {
 	const struct MFT_REC *rec = mi->mrec;
 	u32 used = le32_to_cpu(rec->used);
-	u32 t32, off, asize;
+	u32 t32, off, asize, prev_type;
 	u16 t16;
+	u64 data_size, alloc_size, tot_size;
 
 	if (!attr) {
 		u32 total = le32_to_cpu(rec->total);
@@ -213,6 +214,7 @@ struct ATTRIB *mi_enum_attr(struct mft_inode *mi, struct ATTRIB *attr)
 		if (!is_rec_inuse(rec))
 			return NULL;
 
+		prev_type = 0;
 		attr = Add2Ptr(rec, off);
 	} else {
 		/* Check if input attr inside record. */
@@ -226,6 +228,7 @@ struct ATTRIB *mi_enum_attr(struct mft_inode *mi, struct ATTRIB *attr)
 			return NULL;
 		}
 
+		prev_type = le32_to_cpu(attr->type);
 		attr = Add2Ptr(attr, asize);
 		off += asize;
 	}
@@ -245,7 +248,11 @@ struct ATTRIB *mi_enum_attr(struct mft_inode *mi, struct ATTRIB *attr)
 
 	/* 0x100 is last known attribute for now. */
 	t32 = le32_to_cpu(attr->type);
-	if ((t32 & 0xf) || (t32 > 0x100))
+	if (!t32 || (t32 & 0xf) || (t32 > 0x100))
+		return NULL;
+
+	/* attributes in record must be ordered by type */
+	if (t32 < prev_type)
 		return NULL;
 
 	/* Check overflow and boundary. */
@@ -254,16 +261,15 @@ struct ATTRIB *mi_enum_attr(struct mft_inode *mi, struct ATTRIB *attr)
 
 	/* Check size of attribute. */
 	if (!attr->non_res) {
+		/* Check resident fields. */
 		if (asize < SIZEOF_RESIDENT)
 			return NULL;
 
 		t16 = le16_to_cpu(attr->res.data_off);
-
 		if (t16 > asize)
 			return NULL;
 
-		t32 = le32_to_cpu(attr->res.data_size);
-		if (t16 + t32 > asize)
+		if (t16 + le32_to_cpu(attr->res.data_size) > asize)
 			return NULL;
 
 		if (attr->name_len &&
@@ -274,21 +280,52 @@ struct ATTRIB *mi_enum_attr(struct mft_inode *mi, struct ATTRIB *attr)
 		return attr;
 	}
 
-	/* Check some nonresident fields. */
-	if (attr->name_len &&
-	    le16_to_cpu(attr->name_off) + sizeof(short) * attr->name_len >
-		    le16_to_cpu(attr->nres.run_off)) {
+	/* Check nonresident fields. */
+	if (attr->non_res != 1)
+		return NULL;
+
+	t16 = le16_to_cpu(attr->nres.run_off);
+	if (t16 > asize)
+		return NULL;
+
+	t32 = sizeof(short) * attr->name_len;
+	if (t32 && le16_to_cpu(attr->name_off) + t32 > t16)
+		return NULL;
+
+	/* Check start/end vcn. */
+	if (le64_to_cpu(attr->nres.svcn) > le64_to_cpu(attr->nres.evcn) + 1)
+		return NULL;
+
+	data_size = le64_to_cpu(attr->nres.data_size);
+	if (le64_to_cpu(attr->nres.valid_size) > data_size)
 		return NULL;
-	}
 
-	if (attr->nres.svcn || !is_attr_ext(attr)) {
+	alloc_size = le64_to_cpu(attr->nres.alloc_size);
+	if (data_size > alloc_size)
+		return NULL;
+
+	t32 = mi->sbi->cluster_mask;
+	if (alloc_size & t32)
+		return NULL;
+
+	if (!attr->nres.svcn && is_attr_ext(attr)) {
+		/* First segment of sparse/compressed attribute */
+		if (asize + 8 < SIZEOF_NONRESIDENT_EX)
+			return NULL;
+
+		tot_size = le64_to_cpu(attr->nres.total_size);
+		if (tot_size & t32)
+			return NULL;
+
+		if (tot_size > alloc_size)
+			return NULL;
+	} else {
 		if (asize + 8 < SIZEOF_NONRESIDENT)
 			return NULL;
 
 		if (attr->nres.c_unit)
 			return NULL;
-	} else if (asize + 8 < SIZEOF_NONRESIDENT_EX)
-		return NULL;
+	}
 
 	return attr;
 }
diff --git a/fs/ntfs3/run.c b/fs/ntfs3/run.c
index bbb86d33570fbf..10b1a2b08723b3 100644
--- a/fs/ntfs3/run.c
+++ b/fs/ntfs3/run.c
@@ -916,6 +916,9 @@ int run_unpack(struct runs_tree *run, struct ntfs_sb_info *sbi, CLST ino,
 		if (size_size > 8)
 			return -EINVAL;
 
+		if (run_buf + size_size > run_last)
+			return -EINVAL;
+
 		len = run_unpack_s64(run_buf, size_size, 0);
 		/* Skip size_size. */
 		run_buf += size_size;
@@ -928,6 +931,9 @@ int run_unpack(struct runs_tree *run, struct ntfs_sb_info *sbi, CLST ino,
 		else if (offset_size <= 8) {
 			s64 dlcn;
 
+			if (run_buf + offset_size > run_last)
+				return -EINVAL;
+
 			/* Initial value of dlcn is -1 or 0. */
 			dlcn = (run_buf[offset_size - 1] & 0x80) ? (s64)-1 : 0;
 			dlcn = run_unpack_s64(run_buf, offset_size, dlcn);
@@ -965,9 +971,15 @@ int run_unpack(struct runs_tree *run, struct ntfs_sb_info *sbi, CLST ino,
 			return -EOPNOTSUPP;
 		}
 #endif
-		if (lcn != SPARSE_LCN64 && lcn + len > sbi->used.bitmap.nbits) {
-			/* LCN range is out of volume. */
-			return -EINVAL;
+		if (lcn != SPARSE_LCN64) {
+			u64 lcn_end;
+
+			if (check_add_overflow(lcn, len, &lcn_end))
+				return -EINVAL;
+			if (lcn_end > sbi->used.bitmap.nbits) {
+				/* LCN range is out of volume. */
+				return -EINVAL;
+			}
 		}
 
 		if (!run)
diff --git a/fs/ntfs3/super.c b/fs/ntfs3/super.c
index a9952b03218375..4ba1501119bff5 100644
--- a/fs/ntfs3/super.c
+++ b/fs/ntfs3/super.c
@@ -958,8 +958,13 @@ static int ntfs_fill_super(struct super_block *sb, struct fs_context *fc)
 				      le32_to_cpu(attr->res.data_size) >> 1,
 				      UTF16_LITTLE_ENDIAN, sbi->volume.label,
 				      sizeof(sbi->volume.label));
-		if (err < 0)
+		if (err < 0) {
 			sbi->volume.label[0] = 0;
+		} else if (err >= sizeof(sbi->volume.label)) {
+			sbi->volume.label[sizeof(sbi->volume.label) - 1] = 0;
+		} else {
+			sbi->volume.label[err] = 0;
+		}
 	} else {
 		/* Should we break mounting here? */
 		//err = -EINVAL;
diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c
index 9589b462b5913e..79e308fb9ea094 100644
--- a/fs/ocfs2/alloc.c
+++ b/fs/ocfs2/alloc.c
@@ -5986,7 +5986,7 @@ bail:
 	return status;
 }
 
-/* Expects you to already be holding tl_inode->i_mutex */
+/* Expects you to already be holding tl_inode->i_rwsem */
 int __ocfs2_flush_truncate_log(struct ocfs2_super *osb)
 {
 	int status;
diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c
index 2a04e65e8a92cc..275e03c86537f9 100644
--- a/fs/ocfs2/aops.c
+++ b/fs/ocfs2/aops.c
@@ -37,6 +37,8 @@
 #include "namei.h"
 #include "sysfile.h"
 
+#define OCFS2_DIO_MARK_EXTENT_BATCH 200
+
 static int ocfs2_symlink_get_block(struct inode *inode, sector_t iblock,
 				   struct buffer_head *bh_result, int create)
 {
@@ -2305,7 +2307,7 @@ static int ocfs2_dio_end_io_write(struct inode *inode,
 	struct ocfs2_alloc_context *meta_ac = NULL;
 	handle_t *handle = NULL;
 	loff_t end = offset + bytes;
-	int ret = 0, credits = 0;
+	int ret = 0, credits = 0, batch = 0;
 
 	ocfs2_init_dealloc_ctxt(&dealloc);
 
@@ -2323,19 +2325,6 @@ static int ocfs2_dio_end_io_write(struct inode *inode,
 	}
 
 	down_write(&oi->ip_alloc_sem);
-
-	/* Delete orphan before acquire i_mutex. */
-	if (dwc->dw_orphaned) {
-		BUG_ON(dwc->dw_writer_pid != task_pid_nr(current));
-
-		end = end > i_size_read(inode) ? end : 0;
-
-		ret = ocfs2_del_inode_from_orphan(osb, inode, di_bh,
-				!!end, end);
-		if (ret < 0)
-			mlog_errno(ret);
-	}
-
 	di = (struct ocfs2_dinode *)di_bh->b_data;
 
 	ocfs2_init_dinode_extent_tree(&et, INODE_CACHE(inode), di_bh);
@@ -2355,24 +2344,25 @@ static int ocfs2_dio_end_io_write(struct inode *inode,
 
 	credits = ocfs2_calc_extend_credits(inode->i_sb, &di->id2.i_list);
 
-	handle = ocfs2_start_trans(osb, credits);
-	if (IS_ERR(handle)) {
-		ret = PTR_ERR(handle);
-		mlog_errno(ret);
-		goto unlock;
-	}
-	ret = ocfs2_journal_access_di(handle, INODE_CACHE(inode), di_bh,
-				      OCFS2_JOURNAL_ACCESS_WRITE);
-	if (ret) {
-		mlog_errno(ret);
-		goto commit;
-	}
-
 	list_for_each_entry(ue, &dwc->dw_zero_list, ue_node) {
+		if (!handle) {
+			handle = ocfs2_start_trans(osb, credits);
+			if (IS_ERR(handle)) {
+				ret = PTR_ERR(handle);
+				mlog_errno(ret);
+				goto unlock;
+			}
+			ret = ocfs2_journal_access_di(handle, INODE_CACHE(inode), di_bh,
+					OCFS2_JOURNAL_ACCESS_WRITE);
+			if (ret) {
+				mlog_errno(ret);
+				goto commit;
+			}
+		}
 		ret = ocfs2_assure_trans_credits(handle, credits);
 		if (ret < 0) {
 			mlog_errno(ret);
-			break;
+			goto commit;
 		}
 		ret = ocfs2_mark_extent_written(inode, &et, handle,
 						ue->ue_cpos, 1,
@@ -2380,19 +2370,44 @@ static int ocfs2_dio_end_io_write(struct inode *inode,
 						meta_ac, &dealloc);
 		if (ret < 0) {
 			mlog_errno(ret);
-			break;
+			goto commit;
+		}
+
+		if (++batch == OCFS2_DIO_MARK_EXTENT_BATCH) {
+			ocfs2_commit_trans(osb, handle);
+			handle = NULL;
+			batch = 0;
 		}
 	}
 
 	if (end > i_size_read(inode)) {
+		if (!handle) {
+			handle = ocfs2_start_trans(osb, credits);
+			if (IS_ERR(handle)) {
+				ret = PTR_ERR(handle);
+				mlog_errno(ret);
+				goto unlock;
+			}
+		}
 		ret = ocfs2_set_inode_size(handle, inode, di_bh, end);
 		if (ret < 0)
 			mlog_errno(ret);
 	}
+
 commit:
-	ocfs2_commit_trans(osb, handle);
+	if (handle)
+		ocfs2_commit_trans(osb, handle);
 unlock:
 	up_write(&oi->ip_alloc_sem);
+
+	/* everything looks good, let's start the cleanup */
+	if (!ret && dwc->dw_orphaned) {
+		BUG_ON(dwc->dw_writer_pid != task_pid_nr(current));
+
+		ret = ocfs2_del_inode_from_orphan(osb, inode, di_bh, 0, 0);
+		if (ret < 0)
+			mlog_errno(ret);
+	}
 	ocfs2_inode_unlock(inode, 1);
 	brelse(di_bh);
 out:
diff --git a/fs/ocfs2/cluster/nodemanager.c b/fs/ocfs2/cluster/nodemanager.c
index 625c9252141698..27fee68f860a68 100644
--- a/fs/ocfs2/cluster/nodemanager.c
+++ b/fs/ocfs2/cluster/nodemanager.c
@@ -689,7 +689,7 @@ static struct config_group *o2nm_cluster_group_make_group(struct config_group *g
 	struct o2nm_node_group *ns = NULL;
 	struct config_group *o2hb_group = NULL, *ret = NULL;
 
-	/* this runs under the parent dir's i_mutex; there can be only
+	/* this runs under the parent dir's i_rwsem; there can be only
 	 * one caller in here at a time */
 	if (o2nm_single_cluster)
 		return ERR_PTR(-ENOSPC);
diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c
index 441818535bfc57..4d4d5ef6ef29e1 100644
--- a/fs/ocfs2/dir.c
+++ b/fs/ocfs2/dir.c
@@ -1979,7 +1979,7 @@ bail_nolock:
 }
 
 /*
- * NOTE: this should always be called with parent dir i_mutex taken.
+ * NOTE: this should always be called with parent dir i_rwsem taken.
  */
 int ocfs2_find_files_on_disk(const char *name,
 			     int namelen,
@@ -2026,7 +2026,7 @@ int ocfs2_lookup_ino_from_name(struct inode *dir, const char *name,
  * Return -EEXIST if the directory contains the name
  * Return -EFSCORRUPTED if found corruption
  *
- * Callers should have i_mutex + a cluster lock on dir
+ * Callers should have i_rwsem + a cluster lock on dir
  */
 int ocfs2_check_dir_for_entry(struct inode *dir,
 			      const char *name,
diff --git a/fs/ocfs2/dlm/dlmdomain.c b/fs/ocfs2/dlm/dlmdomain.c
index 9f90fc9551e1a6..45b1ae68c179af 100644
--- a/fs/ocfs2/dlm/dlmdomain.c
+++ b/fs/ocfs2/dlm/dlmdomain.c
@@ -980,6 +980,14 @@ static int dlm_match_regions(struct dlm_ctxt *dlm,
 		goto bail;
 	}
 
+	if (qr->qr_numregions > O2NM_MAX_REGIONS) {
+		mlog(ML_ERROR, "Domain %s: Joining node %d has invalid "
+		     "number of heartbeat regions %u\n",
+		     qr->qr_domain, qr->qr_node, qr->qr_numregions);
+		status = -EINVAL;
+		goto bail;
+	}
+
 	r = remote;
 	for (i = 0; i < qr->qr_numregions; ++i) {
 		mlog(0, "Region %.*s\n", O2HB_MAX_REGION_NAME_LEN, r);
@@ -994,7 +1002,7 @@ static int dlm_match_regions(struct dlm_ctxt *dlm,
 	for (i = 0; i < localnr; ++i) {
 		foundit = 0;
 		r = remote;
-		for (j = 0; j <= qr->qr_numregions; ++j) {
+		for (j = 0; j < qr->qr_numregions; ++j) {
 			if (!memcmp(l, r, O2HB_MAX_REGION_NAME_LEN)) {
 				foundit = 1;
 				break;
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index cf877efdca5751..e35d735e551d0e 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -270,7 +270,7 @@ int ocfs2_update_inode_atime(struct inode *inode,
 
 	/*
 	 * Don't use ocfs2_mark_inode_dirty() here as we don't always
-	 * have i_mutex to guard against concurrent changes to other
+	 * have i_rwsem to guard against concurrent changes to other
 	 * inode fields.
 	 */
 	inode->i_atime = current_time(inode);
@@ -1068,7 +1068,7 @@ static int ocfs2_extend_file(struct inode *inode,
 	/*
 	 * The alloc sem blocks people in read/write from reading our
 	 * allocation until we're done changing it. We depend on
-	 * i_mutex to block other extend/truncate calls while we're
+	 * i_rwsem to block other extend/truncate calls while we're
 	 * here.  We even have to hold it for sparse files because there
 	 * might be some tail zeroing.
 	 */
diff --git a/fs/ocfs2/inode.c b/fs/ocfs2/inode.c
index bc8f32fab964cd..a0b431b0c7d4bc 100644
--- a/fs/ocfs2/inode.c
+++ b/fs/ocfs2/inode.c
@@ -713,7 +713,7 @@ bail:
 /*
  * Serialize with orphan dir recovery. If the process doing
  * recovery on this orphan dir does an iget() with the dir
- * i_mutex held, we'll deadlock here. Instead we detect this
+ * i_rwsem held, we'll deadlock here. Instead we detect this
  * and exit early - recovery will wipe this inode for us.
  */
 static int ocfs2_check_orphan_recovery_state(struct ocfs2_super *osb,
@@ -1416,6 +1416,37 @@ int ocfs2_validate_inode_block(struct super_block *sb,
 		goto bail;
 	}
 
+	if (le16_to_cpu(di->i_dyn_features) & OCFS2_INLINE_DATA_FL) {
+		struct ocfs2_inline_data *data = &di->id2.i_data;
+
+		if (le32_to_cpu(di->i_clusters)) {
+			rc = ocfs2_error(sb,
+					 "Invalid dinode %llu: %u clusters\n",
+					 (unsigned long long)bh->b_blocknr,
+					 le32_to_cpu(di->i_clusters));
+			goto bail;
+		}
+
+		if (le16_to_cpu(data->id_count) >
+		    ocfs2_max_inline_data_with_xattr(sb, di)) {
+			rc = ocfs2_error(sb,
+					 "Invalid dinode #%llu: inline data id_count %u exceeds max %d\n",
+					 (unsigned long long)bh->b_blocknr,
+					 le16_to_cpu(data->id_count),
+					 ocfs2_max_inline_data_with_xattr(sb, di));
+			goto bail;
+		}
+
+		if (le64_to_cpu(di->i_size) > le16_to_cpu(data->id_count)) {
+			rc = ocfs2_error(sb,
+					 "Invalid dinode #%llu: inline data i_size %llu exceeds id_count %u\n",
+					 (unsigned long long)bh->b_blocknr,
+					 (unsigned long long)le64_to_cpu(di->i_size),
+					 le16_to_cpu(data->id_count));
+			goto bail;
+		}
+	}
+
 	rc = 0;
 
 bail:
diff --git a/fs/ocfs2/ioctl.c b/fs/ocfs2/ioctl.c
index f59461d85da459..f9c66b172d3043 100644
--- a/fs/ocfs2/ioctl.c
+++ b/fs/ocfs2/ioctl.c
@@ -442,13 +442,16 @@ static int ocfs2_info_freefrag_scan_chain(struct ocfs2_super *osb,
 	struct buffer_head *bh = NULL;
 	struct ocfs2_group_desc *bg = NULL;
 
-	unsigned int max_bits, num_clusters;
+	unsigned int max_bits, max_bitmap_bits, num_clusters;
 	unsigned int offset = 0, cluster, chunk;
 	unsigned int chunk_free, last_chunksize = 0;
 
 	if (!le32_to_cpu(rec->c_free))
 		goto bail;
 
+	max_bitmap_bits = 8 * ocfs2_group_bitmap_size(osb->sb, 0,
+					      osb->s_feature_incompat);
+
 	do {
 		if (!bg)
 			blkno = le64_to_cpu(rec->c_blkno);
@@ -480,6 +483,19 @@ static int ocfs2_info_freefrag_scan_chain(struct ocfs2_super *osb,
 			continue;
 
 		max_bits = le16_to_cpu(bg->bg_bits);
+
+		/*
+		 * Non-coherent scans read raw blocks and do not get the
+		 * bg_bits validation from
+		 * ocfs2_read_group_descriptor().
+		 */
+		if (max_bits > max_bitmap_bits) {
+			mlog(ML_ERROR,
+			     "Group desc #%llu has %u bits, max bitmap bits %u\n",
+			     (unsigned long long)blkno, max_bits, max_bitmap_bits);
+			max_bits = max_bitmap_bits;
+		}
+
 		offset = 0;
 
 		for (chunk = 0; chunk < chunks_in_group; chunk++) {
diff --git a/fs/ocfs2/localalloc.c b/fs/ocfs2/localalloc.c
index 5f6bacbeef6b8e..c4426d12a2adb1 100644
--- a/fs/ocfs2/localalloc.c
+++ b/fs/ocfs2/localalloc.c
@@ -606,7 +606,7 @@ out:
 
 /*
  * make sure we've got at least bits_wanted contiguous bits in the
- * local alloc. You lose them when you drop i_mutex.
+ * local alloc. You lose them when you drop i_rwsem.
  *
  * We will add ourselves to the transaction passed in, but may start
  * our own in order to shift windows.
@@ -636,7 +636,7 @@ int ocfs2_reserve_local_alloc_bits(struct ocfs2_super *osb,
 
 	/*
 	 * We must double check state and allocator bits because
-	 * another process may have changed them while holding i_mutex.
+	 * another process may have changed them while holding i_rwsem.
 	 */
 	spin_lock(&osb->osb_lock);
 	if (!ocfs2_la_state_enabled(osb) ||
@@ -1029,7 +1029,7 @@ enum ocfs2_la_event {
 /*
  * Given an event, calculate the size of our next local alloc window.
  *
- * This should always be called under i_mutex of the local alloc inode
+ * This should always be called under i_rwsem of the local alloc inode
  * so that local alloc disabling doesn't race with processes trying to
  * use the allocator.
  *
diff --git a/fs/ocfs2/mmap.c b/fs/ocfs2/mmap.c
index 1834f26522ed40..b9c4d38135633b 100644
--- a/fs/ocfs2/mmap.c
+++ b/fs/ocfs2/mmap.c
@@ -30,7 +30,8 @@
 
 static vm_fault_t ocfs2_fault(struct vm_fault *vmf)
 {
-	struct vm_area_struct *vma = vmf->vma;
+	unsigned long long ip_blkno =
+		OCFS2_I(file_inode(vmf->vma->vm_file))->ip_blkno;
 	sigset_t oldset;
 	vm_fault_t ret;
 
@@ -38,11 +39,9 @@ static vm_fault_t ocfs2_fault(struct vm_fault *vmf)
 	ret = filemap_fault(vmf);
 	ocfs2_unblock_signals(&oldset);
 
-	trace_ocfs2_fault(OCFS2_I(vma->vm_file->f_mapping->host)->ip_blkno,
-			  vma, vmf->page, vmf->pgoff);
+	trace_ocfs2_fault(ip_blkno, vmf->page, vmf->pgoff);
 	return ret;
 }
-
 static vm_fault_t __ocfs2_page_mkwrite(struct file *file,
 			struct buffer_head *di_bh, struct page *page)
 {
diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c
index 272dbc13d3bc2b..63b06377f6305b 100644
--- a/fs/ocfs2/namei.c
+++ b/fs/ocfs2/namei.c
@@ -485,7 +485,7 @@ leave:
 		ocfs2_free_alloc_context(meta_ac);
 
 	/*
-	 * We should call iput after the i_mutex of the bitmap been
+	 * We should call iput after the i_rwsem of the bitmap been
 	 * unlocked in ocfs2_free_alloc_context, or the
 	 * ocfs2_delete_inode will mutex_lock again.
 	 */
diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index adec276bf4c524..22882c636bfb89 100644
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -369,7 +369,7 @@ struct ocfs2_super
 	struct delayed_work		la_enable_wq;
 
 	/*
-	 * Must hold local alloc i_mutex and osb->osb_lock to change
+	 * Must hold local alloc i_rwsem and osb->osb_lock to change
 	 * local_alloc_bits. Reads can be done under either lock.
 	 */
 	unsigned int local_alloc_bits;
@@ -444,7 +444,7 @@ struct ocfs2_super
 	atomic_t			osb_tl_disable;
 	/*
 	 * How many clusters in our truncate log.
-	 * It must be protected by osb_tl_inode->i_mutex.
+	 * It must be protected by osb_tl_inode->i_rwsem.
 	 */
 	unsigned int truncated_clusters;
 
diff --git a/fs/ocfs2/ocfs2_trace.h b/fs/ocfs2/ocfs2_trace.h
index 7a9cfd61145a00..80cfdb5a8def74 100644
--- a/fs/ocfs2/ocfs2_trace.h
+++ b/fs/ocfs2/ocfs2_trace.h
@@ -1248,22 +1248,20 @@ TRACE_EVENT(ocfs2_write_end_inline,
 
 TRACE_EVENT(ocfs2_fault,
 	TP_PROTO(unsigned long long ino,
-		 void *area, void *page, unsigned long pgoff),
-	TP_ARGS(ino, area, page, pgoff),
+		 void *page, unsigned long pgoff),
+	TP_ARGS(ino, page, pgoff),
 	TP_STRUCT__entry(
 		__field(unsigned long long, ino)
-		__field(void *, area)
 		__field(void *, page)
 		__field(unsigned long, pgoff)
 	),
 	TP_fast_assign(
 		__entry->ino = ino;
-		__entry->area = area;
 		__entry->page = page;
 		__entry->pgoff = pgoff;
 	),
-	TP_printk("%llu %p %p %lu",
-		  __entry->ino, __entry->area, __entry->page, __entry->pgoff)
+	TP_printk("%llu %p %lu",
+		  __entry->ino, __entry->page, __entry->pgoff)
 );
 
 /* End of trace events for fs/ocfs2/mmap.c. */
diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c
index 79e70aaa9a90d0..5ff08c481f3459 100644
--- a/fs/ocfs2/quota_global.c
+++ b/fs/ocfs2/quota_global.c
@@ -36,7 +36,7 @@
  * should be obeyed by all the functions:
  * - any write of quota structure (either to local or global file) is protected
  *   by dqio_sem or dquot->dq_lock.
- * - any modification of global quota file holds inode cluster lock, i_mutex,
+ * - any modification of global quota file holds inode cluster lock, i_rwsem,
  *   and ip_alloc_sem of the global quota file (achieved by
  *   ocfs2_lock_global_qf). It also has to hold qinfo_lock.
  * - an allocation of new blocks for local quota file is protected by
diff --git a/fs/ocfs2/resize.c b/fs/ocfs2/resize.c
index b2b47bb7952962..acf2769f4c8c72 100644
--- a/fs/ocfs2/resize.c
+++ b/fs/ocfs2/resize.c
@@ -295,9 +295,13 @@ int ocfs2_group_extend(struct inode * inode, int new_clusters)
 
 	fe = (struct ocfs2_dinode *)main_bm_bh->b_data;
 
-	/* main_bm_bh is validated by inode read inside ocfs2_inode_lock(),
-	 * so any corruption is a code bug. */
-	BUG_ON(!OCFS2_IS_VALID_DINODE(fe));
+	/* JBD-managed buffers can bypass validation, so treat this as corruption. */
+	if (!OCFS2_IS_VALID_DINODE(fe)) {
+		ret = ocfs2_error(main_bm_inode->i_sb,
+				  "Invalid dinode #%llu\n",
+				  (unsigned long long)OCFS2_I(main_bm_inode)->ip_blkno);
+		goto out_unlock;
+	}
 
 	if (le16_to_cpu(fe->id2.i_chain.cl_cpg) !=
 		ocfs2_group_bitmap_size(osb->sb, 0,
@@ -496,14 +500,14 @@ int ocfs2_group_add(struct inode *inode, struct ocfs2_new_group_input *input)
 		goto out_unlock;
 	}
 
-	ocfs2_set_new_buffer_uptodate(INODE_CACHE(inode), group_bh);
-
 	ret = ocfs2_verify_group_and_input(main_bm_inode, fe, input, group_bh);
 	if (ret) {
 		mlog_errno(ret);
 		goto out_free_group_bh;
 	}
 
+	ocfs2_set_new_buffer_uptodate(INODE_CACHE(main_bm_inode), group_bh);
+
 	trace_ocfs2_group_add((unsigned long long)input->group,
 			       input->chain, input->clusters, input->frees);
 
@@ -511,7 +515,7 @@ int ocfs2_group_add(struct inode *inode, struct ocfs2_new_group_input *input)
 	if (IS_ERR(handle)) {
 		mlog_errno(PTR_ERR(handle));
 		ret = -EINVAL;
-		goto out_free_group_bh;
+		goto out_remove_cache;
 	}
 
 	cl_bpc = le16_to_cpu(fe->id2.i_chain.cl_bpc);
@@ -565,9 +569,11 @@ int ocfs2_group_add(struct inode *inode, struct ocfs2_new_group_input *input)
 out_commit:
 	ocfs2_commit_trans(osb, handle);
 
-out_free_group_bh:
+out_remove_cache:
 	if (ret < 0)
-		ocfs2_remove_from_cache(INODE_CACHE(inode), group_bh);
+		ocfs2_remove_from_cache(INODE_CACHE(main_bm_inode), group_bh);
+
+out_free_group_bh:
 	brelse(group_bh);
 
 out_unlock:
diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c
index 248b5e45393a7a..1f22ad21ae6086 100644
--- a/fs/ocfs2/xattr.c
+++ b/fs/ocfs2/xattr.c
@@ -911,8 +911,8 @@ static int ocfs2_xattr_list_entry(struct super_block *sb,
 	total_len = prefix_len + name_len + 1;
 	*result += total_len;
 
-	/* we are just looking for how big our buffer needs to be */
-	if (!size)
+	/* No buffer means we are only looking for the required size. */
+	if (!buffer)
 		return 0;
 
 	if (*result > size)
@@ -7208,7 +7208,7 @@ out:
  * Used for reflink a non-preserve-security file.
  *
  * It uses common api like ocfs2_xattr_set, so the caller
- * must not hold any lock expect i_mutex.
+ * must not hold any lock expect i_rwsem.
  */
 int ocfs2_init_security_and_acl(struct inode *dir,
 				struct inode *inode,
diff --git a/fs/omfs/inode.c b/fs/omfs/inode.c
index 2a0e83236c0115..9773846daa4bc2 100644
--- a/fs/omfs/inode.c
+++ b/fs/omfs/inode.c
@@ -515,6 +515,12 @@ static int omfs_fill_super(struct super_block *sb, void *data, int silent)
 		goto out_brelse_bh;
 	}
 
+	if (sbi->s_sys_blocksize < OMFS_DIR_START) {
+		printk(KERN_ERR "omfs: sysblock size (%d) is too small\n",
+			sbi->s_sys_blocksize);
+		goto out_brelse_bh;
+	}
+
 	if (sbi->s_blocksize < sbi->s_sys_blocksize ||
 	    sbi->s_blocksize > OMFS_MAX_BLOCK_SIZE) {
 		printk(KERN_ERR "omfs: block size (%d) is out of range\n",
diff --git a/fs/pstore/inode.c b/fs/pstore/inode.c
index 14658b009f1bb8..f56e0b105be7a6 100644
--- a/fs/pstore/inode.c
+++ b/fs/pstore/inode.c
@@ -312,7 +312,6 @@ int pstore_put_backend_records(struct pstore_info *psi)
 {
 	struct pstore_private *pos, *tmp;
 	struct dentry *root;
-	int rc = 0;
 
 	root = psinfo_lock_root();
 	if (!root)
@@ -322,11 +321,8 @@ int pstore_put_backend_records(struct pstore_info *psi)
 	list_for_each_entry_safe(pos, tmp, &records_list, list) {
 		if (pos->record->psi == psi) {
 			list_del_init(&pos->list);
-			rc = simple_unlink(d_inode(root), pos->dentry);
-			if (WARN_ON(rc))
-				break;
-			d_drop(pos->dentry);
-			dput(pos->dentry);
+			d_invalidate(pos->dentry);
+			simple_unlink(d_inode(root), pos->dentry);
 			pos->dentry = NULL;
 		}
 	}
@@ -334,7 +330,7 @@ int pstore_put_backend_records(struct pstore_info *psi)
 
 	inode_unlock(d_inode(root));
 
-	return rc;
+	return 0;
 }
 
 /*
diff --git a/fs/pstore/ram_core.c b/fs/pstore/ram_core.c
index c0b3b9c6892d1a..8a86b9928503d9 100644
--- a/fs/pstore/ram_core.c
+++ b/fs/pstore/ram_core.c
@@ -489,6 +489,10 @@ static void *persistent_ram_iomap(phys_addr_t start, size_t size,
 	else
 		va = ioremap_wc(start, size);
 
+	/* We must release the mem region if ioremap fails. */
+	if (!va)
+		release_mem_region(start, size);
+
 	/*
 	 * Since request_mem_region() and ioremap() are byte-granularity
 	 * there is no need handle anything special like we do when the
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 5e2cf15b82f4de..6b53db7e9d6fba 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -362,6 +362,31 @@ static inline int dquot_active(struct dquot *dquot)
 	return test_bit(DQ_ACTIVE_B, &dquot->dq_flags);
 }
 
+static struct dquot *__dqgrab(struct dquot *dquot)
+{
+	lockdep_assert_held(&dq_list_lock);
+	if (!atomic_read(&dquot->dq_count))
+		remove_free_dquot(dquot);
+	atomic_inc(&dquot->dq_count);
+	return dquot;
+}
+
+/*
+ * Get reference to dquot when we got pointer to it by some other means. The
+ * dquot has to be active and the caller has to make sure it cannot get
+ * deactivated under our hands.
+ */
+struct dquot *dqgrab(struct dquot *dquot)
+{
+	spin_lock(&dq_list_lock);
+	WARN_ON_ONCE(!dquot_active(dquot));
+	dquot = __dqgrab(dquot);
+	spin_unlock(&dq_list_lock);
+
+	return dquot;
+}
+EXPORT_SYMBOL_GPL(dqgrab);
+
 static inline int dquot_dirty(struct dquot *dquot)
 {
 	return test_bit(DQ_MOD_B, &dquot->dq_flags);
@@ -640,15 +665,14 @@ int dquot_scan_active(struct super_block *sb,
 			continue;
 		if (dquot->dq_sb != sb)
 			continue;
-		/* Now we have active dquot so we can just increase use count */
-		atomic_inc(&dquot->dq_count);
+		__dqgrab(dquot);
 		spin_unlock(&dq_list_lock);
 		dqput(old_dquot);
 		old_dquot = dquot;
 		/*
 		 * ->release_dquot() can be racing with us. Our reference
-		 * protects us from new calls to it so just wait for any
-		 * outstanding call and recheck the DQ_ACTIVE_B after that.
+		 * protects us from dquot_release() proceeding so just wait for
+		 * any outstanding call and recheck the DQ_ACTIVE_B after that.
 		 */
 		wait_on_dquot(dquot);
 		if (dquot_active(dquot)) {
@@ -716,7 +740,7 @@ int dquot_writeback_dquots(struct super_block *sb, int type)
 			/* Now we have active dquot from which someone is
  			 * holding reference so we can safely just increase
 			 * use count */
-			dqgrab(dquot);
+			__dqgrab(dquot);
 			spin_unlock(&dq_list_lock);
 			err = dquot_write_dquot(dquot);
 			if (err && !ret)
@@ -971,9 +995,7 @@ we_slept:
 		spin_unlock(&dq_list_lock);
 		dqstats_inc(DQST_LOOKUPS);
 	} else {
-		if (!atomic_read(&dquot->dq_count))
-			remove_free_dquot(dquot);
-		atomic_inc(&dquot->dq_count);
+		__dqgrab(dquot);
 		spin_unlock(&dq_list_lock);
 		dqstats_inc(DQST_CACHE_HITS);
 		dqstats_inc(DQST_LOOKUPS);
diff --git a/fs/sysfs/group.c b/fs/sysfs/group.c
index f29d6200452725..6836d317dbf24f 100644
--- a/fs/sysfs/group.c
+++ b/fs/sysfs/group.c
@@ -148,7 +148,7 @@ static int internal_create_group(struct kobject *kobj, int update,
 	kernfs_get(kn);
 	error = create_files(kn, kobj, uid, gid, grp, update);
 	if (error) {
-		if (grp->name)
+		if (grp->name && !update)
 			kernfs_remove(kn);
 	}
 	kernfs_put(kn);
diff --git a/fs/udf/misc.c b/fs/udf/misc.c
index 1614d308d0f060..dee9a1f3cb3fe0 100644
--- a/fs/udf/misc.c
+++ b/fs/udf/misc.c
@@ -250,8 +250,12 @@ struct buffer_head *udf_read_tagged(struct super_block *sb, uint32_t block,
 	}
 
 	/* Verify the descriptor CRC */
-	if (le16_to_cpu(tag_p->descCRCLength) + sizeof(struct tag) > sb->s_blocksize ||
-	    le16_to_cpu(tag_p->descCRC) == crc_itu_t(0,
+	if (le16_to_cpu(tag_p->descCRCLength) + sizeof(struct tag) > sb->s_blocksize) {
+		udf_err(sb, "block %u: CRC length %u exceeds block size\n",
+			block, le16_to_cpu(tag_p->descCRCLength));
+		goto error_out;
+	}
+	if (le16_to_cpu(tag_p->descCRC) == crc_itu_t(0,
 					bh->b_data + sizeof(struct tag),
 					le16_to_cpu(tag_p->descCRCLength)))
 		return bh;
diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c
index 309d4884d5de88..868405f3cfa0c4 100644
--- a/fs/userfaultfd.c
+++ b/fs/userfaultfd.c
@@ -1242,8 +1242,6 @@ static __always_inline int validate_range(struct mm_struct *mm,
 		return -EINVAL;
 	if (!len)
 		return -EINVAL;
-	if (start < mmap_min_addr)
-		return -EINVAL;
 	if (start >= task_size)
 		return -EINVAL;
 	if (len > task_size - start)
diff --git a/include/dt-bindings/clock/qcom,dispcc-sc7180.h b/include/dt-bindings/clock/qcom,dispcc-sc7180.h
index b9b51617a335d2..0705103060748c 100644
--- a/include/dt-bindings/clock/qcom,dispcc-sc7180.h
+++ b/include/dt-bindings/clock/qcom,dispcc-sc7180.h
@@ -6,6 +6,7 @@
 #ifndef _DT_BINDINGS_CLK_QCOM_DISP_CC_SC7180_H
 #define _DT_BINDINGS_CLK_QCOM_DISP_CC_SC7180_H
 
+/* Clocks */
 #define DISP_CC_PLL0				0
 #define DISP_CC_PLL0_OUT_EVEN			1
 #define DISP_CC_MDSS_AHB_CLK			2
@@ -40,7 +41,11 @@
 #define DISP_CC_MDSS_VSYNC_CLK_SRC		31
 #define DISP_CC_XO_CLK				32
 
-/* DISP_CC GDSCR */
+/* Resets */
+#define DISP_CC_MDSS_CORE_BCR			0
+#define DISP_CC_MDSS_RSCC_BCR			1
+
+/* GDSCs */
 #define MDSS_GDSC				0
 
 #endif
diff --git a/include/dt-bindings/clock/qcom,gcc-sc8180x.h b/include/dt-bindings/clock/qcom,gcc-sc8180x.h
index 2569f874fe13c6..be97a0ca2ade49 100644
--- a/include/dt-bindings/clock/qcom,gcc-sc8180x.h
+++ b/include/dt-bindings/clock/qcom,gcc-sc8180x.h
@@ -308,5 +308,10 @@
 #define USB30_MP_GDSC						8
 #define USB30_PRIM_GDSC						9
 #define USB30_SEC_GDSC						10
+#define HLOS1_VOTE_MMNOC_MMU_TBU_HF0_GDSC		11
+#define HLOS1_VOTE_MMNOC_MMU_TBU_HF1_GDSC		12
+#define HLOS1_VOTE_MMNOC_MMU_TBU_SF_GDSC		13
+#define HLOS1_VOTE_TURING_MMU_TBU0_GDSC			14
+#define HLOS1_VOTE_TURING_MMU_TBU1_GDSC			15
 
 #endif
diff --git a/include/linux/cdrom.h b/include/linux/cdrom.h
index c4fef00abdf38f..bcc8b3c6804b5f 100644
--- a/include/linux/cdrom.h
+++ b/include/linux/cdrom.h
@@ -109,6 +109,7 @@ extern int cdrom_ioctl(struct cdrom_device_info *cdi, struct block_device *bdev,
 extern unsigned int cdrom_check_events(struct cdrom_device_info *cdi,
 				       unsigned int clearing);
 
+extern void cdrom_probe_write_features(struct cdrom_device_info *cdi);
 extern int register_cdrom(struct gendisk *disk, struct cdrom_device_info *cdi);
 extern void unregister_cdrom(struct cdrom_device_info *cdi);
 
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index 8e3a1d4e0a3a23..6ed4c82af36729 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -1014,11 +1014,10 @@ static inline int cpufreq_table_count_valid_entries(const struct cpufreq_policy
 static inline int parse_perf_domain(int cpu, const char *list_name,
 				    const char *cell_name)
 {
-	struct device_node *cpu_np;
 	struct of_phandle_args args;
 	int ret;
 
-	cpu_np = of_cpu_device_node_get(cpu);
+	struct device_node *cpu_np __free(device_node) = of_cpu_device_node_get(cpu);
 	if (!cpu_np)
 		return -ENODEV;
 
@@ -1027,8 +1026,6 @@ static inline int parse_perf_domain(int cpu, const char *list_name,
 	if (ret < 0)
 		return ret;
 
-	of_node_put(cpu_np);
-
 	return args.args[0];
 }
 
diff --git a/include/linux/dev_printk.h b/include/linux/dev_printk.h
index 65eec5be8ccb98..ca32b5bb28eb57 100644
--- a/include/linux/dev_printk.h
+++ b/include/linux/dev_printk.h
@@ -275,4 +275,14 @@ do {									\
 	WARN_ONCE(condition, "%s %s: " format, \
 			dev_driver_string(dev), dev_name(dev), ## arg)
 
+__printf(3, 4) int dev_err_probe(const struct device *dev, int err, const char *fmt, ...);
+
+/* Simple helper for dev_err_probe() when ERR_PTR() is to be returned. */
+#define dev_err_ptr_probe(dev, ___err, fmt, ...) \
+	ERR_PTR(dev_err_probe(dev, ___err, fmt, ##__VA_ARGS__))
+
+/* Simple helper for dev_err_probe() when ERR_CAST() is to be returned. */
+#define dev_err_cast_probe(dev, ___err_ptr, fmt, ...) \
+	ERR_PTR(dev_err_probe(dev, PTR_ERR(___err_ptr), fmt, ##__VA_ARGS__))
+
 #endif /* _DEVICE_PRINTK_H_ */
diff --git a/include/linux/device.h b/include/linux/device.h
index 89864b91854626..2c16bc2149c20d 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -372,6 +372,22 @@ struct dev_links_info {
 	enum dl_dev_state status;
 };
 
+/**
+ * enum struct_device_flags - Flags in struct device
+ *
+ * Each flag should have a set of accessor functions created via
+ * __create_dev_flag_accessors() for each access.
+ *
+ * @DEV_FLAG_READY_TO_PROBE: If set then device_add() has finished enough
+ *		initialization that probe could be called.
+ * @DEV_FLAG_COUNT: Number of defined struct_device_flags.
+ */
+enum struct_device_flags {
+	DEV_FLAG_READY_TO_PROBE = 0,
+
+	DEV_FLAG_COUNT
+};
+
 /**
  * struct device - The basic device structure
  * @parent:	The device's "parent" device, the device to which it is attached.
@@ -462,6 +478,7 @@ struct dev_links_info {
  *		and optionall (if the coherent mask is large enough) also
  *		for dma allocations.  This flag is managed by the dma ops
  *		instance from ->dma_supported.
+ * @flags:	DEV_FLAG_XXX flags. Use atomic bitfield operations to modify.
  *
  * At the lowest level, every device in a Linux system is represented by an
  * instance of struct device. The device structure contains the information
@@ -576,8 +593,36 @@ struct device {
 #ifdef CONFIG_DMA_OPS_BYPASS
 	bool			dma_ops_bypass : 1;
 #endif
+
+	DECLARE_BITMAP(flags, DEV_FLAG_COUNT);
 };
 
+#define __create_dev_flag_accessors(accessor_name, flag_name) \
+static inline bool dev_##accessor_name(const struct device *dev) \
+{ \
+	return test_bit(flag_name, dev->flags); \
+} \
+static inline void dev_set_##accessor_name(struct device *dev) \
+{ \
+	set_bit(flag_name, dev->flags); \
+} \
+static inline void dev_clear_##accessor_name(struct device *dev) \
+{ \
+	clear_bit(flag_name, dev->flags); \
+} \
+static inline void dev_assign_##accessor_name(struct device *dev, bool value) \
+{ \
+	assign_bit(flag_name, dev->flags, value); \
+} \
+static inline bool dev_test_and_set_##accessor_name(struct device *dev) \
+{ \
+	return test_and_set_bit(flag_name, dev->flags); \
+}
+
+__create_dev_flag_accessors(ready_to_probe, DEV_FLAG_READY_TO_PROBE);
+
+#undef __create_dev_flag_accessors
+
 /**
  * struct device_link - Device link representation.
  * @supplier: The device on the supplier end of the link.
@@ -985,9 +1030,6 @@ void device_links_supplier_sync_state_pause(void);
 void device_links_supplier_sync_state_resume(void);
 void device_link_wait_removal(void);
 
-extern __printf(3, 4)
-int dev_err_probe(const struct device *dev, int err, const char *fmt, ...);
-
 /* Create alias, so I can be autoloaded. */
 #define MODULE_ALIAS_CHARDEV(major,minor) \
 	MODULE_ALIAS("char-major-" __stringify(major) "-" __stringify(minor))
diff --git a/include/linux/dmi.h b/include/linux/dmi.h
index 927f8a8b7a1ddd..2eedf44e680126 100644
--- a/include/linux/dmi.h
+++ b/include/linux/dmi.h
@@ -60,6 +60,7 @@ enum dmi_entry_type {
 	DMI_ENTRY_OOB_REMOTE_ACCESS,
 	DMI_ENTRY_BIS_ENTRY,
 	DMI_ENTRY_SYSTEM_BOOT,
+	DMI_ENTRY_64_MEM_ERROR,
 	DMI_ENTRY_MGMT_DEV,
 	DMI_ENTRY_MGMT_DEV_COMPONENT,
 	DMI_ENTRY_MGMT_DEV_THRES,
@@ -69,6 +70,10 @@ enum dmi_entry_type {
 	DMI_ENTRY_ADDITIONAL,
 	DMI_ENTRY_ONBOARD_DEV_EXT,
 	DMI_ENTRY_MGMT_CONTROLLER_HOST,
+	DMI_ENTRY_TPM_DEVICE,
+	DMI_ENTRY_PROCESSOR_ADDITIONAL,
+	DMI_ENTRY_FIRMWARE_INVENTORY,
+	DMI_ENTRY_STRING_PROPERTY,
 	DMI_ENTRY_INACTIVE = 126,
 	DMI_ENTRY_END_OF_TABLE = 127,
 };
diff --git a/include/linux/fsl/mc.h b/include/linux/fsl/mc.h
index 30ece3ae6df7b7..bfc062ff8b42c6 100644
--- a/include/linux/fsl/mc.h
+++ b/include/linux/fsl/mc.h
@@ -170,7 +170,9 @@ struct fsl_mc_obj_desc {
  * @regions: pointer to array of MMIO region entries
  * @irqs: pointer to array of pointers to interrupts allocated to this device
  * @resource: generic resource associated with this MC object device, if any.
- * @driver_override: driver name to force a match
+ * @driver_override: driver name to force a match; do not set directly,
+ *                   because core frees it; use driver_set_override() to
+ *                   set or clear it.
  *
  * Generic device object for MC object devices that are "attached" to a
  * MC bus.
@@ -204,7 +206,7 @@ struct fsl_mc_device {
 	struct fsl_mc_device_irq **irqs;
 	struct fsl_mc_resource *resource;
 	struct device_link *consumer_link;
-	char   *driver_override;
+	const char *driver_override;
 };
 
 #define to_fsl_mc_device(_dev) \
diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h
index 096b79e4373f4c..514faca8be428f 100644
--- a/include/linux/fsnotify_backend.h
+++ b/include/linux/fsnotify_backend.h
@@ -820,6 +820,7 @@ static inline void fsnotify_clear_sb_marks_by_group(struct fsnotify_group *group
 }
 extern void fsnotify_get_mark(struct fsnotify_mark *mark);
 extern void fsnotify_put_mark(struct fsnotify_mark *mark);
+struct fsnotify_mark *fsnotify_next_mark(struct fsnotify_mark *mark);
 extern void fsnotify_finish_user_wait(struct fsnotify_iter_info *iter_info);
 extern bool fsnotify_prepare_user_wait(struct fsnotify_iter_info *iter_info);
 
diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h
index f0833bafe6bd42..e5aac0825804ec 100644
--- a/include/linux/fwnode.h
+++ b/include/linux/fwnode.h
@@ -11,6 +11,7 @@
 
 #include <linux/types.h>
 #include <linux/list.h>
+#include <linux/bitops.h>
 #include <linux/err.h>
 
 struct fwnode_operations;
@@ -27,10 +28,10 @@ struct device;
  *			     their respective drivers as soon as they are
  *			     added.
  */
-#define FWNODE_FLAG_LINKS_ADDED			BIT(0)
-#define FWNODE_FLAG_NOT_DEVICE			BIT(1)
-#define FWNODE_FLAG_INITIALIZED			BIT(2)
-#define FWNODE_FLAG_NEEDS_CHILD_BOUND_ON_ADD	BIT(3)
+#define FWNODE_FLAG_LINKS_ADDED			0
+#define FWNODE_FLAG_NOT_DEVICE			1
+#define FWNODE_FLAG_INITIALIZED			2
+#define FWNODE_FLAG_NEEDS_CHILD_BOUND_ON_ADD	3
 
 struct fwnode_handle {
 	struct fwnode_handle *secondary;
@@ -38,7 +39,7 @@ struct fwnode_handle {
 	struct device *dev;
 	struct list_head suppliers;
 	struct list_head consumers;
-	u8 flags;
+	unsigned long flags;
 };
 
 struct fwnode_link {
@@ -171,21 +172,43 @@ struct fwnode_operations {
 static inline void fwnode_init(struct fwnode_handle *fwnode,
 			       const struct fwnode_operations *ops)
 {
+	fwnode->secondary = NULL;
 	fwnode->ops = ops;
 	INIT_LIST_HEAD(&fwnode->consumers);
 	INIT_LIST_HEAD(&fwnode->suppliers);
 }
 
+static inline void fwnode_set_flag(struct fwnode_handle *fwnode,
+				   unsigned int bit)
+{
+	set_bit(bit, &fwnode->flags);
+}
+
+static inline void fwnode_clear_flag(struct fwnode_handle *fwnode,
+				     unsigned int bit)
+{
+	clear_bit(bit, &fwnode->flags);
+}
+
+static inline void fwnode_assign_flag(struct fwnode_handle *fwnode,
+				      unsigned int bit, bool value)
+{
+	assign_bit(bit, &fwnode->flags, value);
+}
+
+static inline bool fwnode_test_flag(struct fwnode_handle *fwnode,
+				    unsigned int bit)
+{
+	return test_bit(bit, &fwnode->flags);
+}
+
 static inline void fwnode_dev_initialized(struct fwnode_handle *fwnode,
 					  bool initialized)
 {
 	if (IS_ERR_OR_NULL(fwnode))
 		return;
 
-	if (initialized)
-		fwnode->flags |= FWNODE_FLAG_INITIALIZED;
-	else
-		fwnode->flags &= ~FWNODE_FLAG_INITIALIZED;
+	fwnode_assign_flag(fwnode, FWNODE_FLAG_INITIALIZED, initialized);
 }
 
 extern u32 fw_devlink_get_flags(void);
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 956a568c2dc2ad..ec12082e587df3 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -291,7 +291,8 @@ static inline bool kvm_vcpu_can_poll(ktime_t cur, ktime_t stop)
 struct kvm_mmio_fragment {
 	gpa_t gpa;
 	void *data;
-	unsigned len;
+	u64 val;
+	unsigned int len;
 };
 
 struct kvm_vcpu {
diff --git a/include/linux/module.h b/include/linux/module.h
index 8e629b03ed1e41..440a2d08f7e02b 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -162,6 +162,8 @@ extern void cleanup_module(void);
 #define __INITRODATA_OR_MODULE __INITRODATA
 #endif /*CONFIG_MODULES*/
 
+struct module_kobject *lookup_or_create_module_kobject(const char *name);
+
 /* Generic info of form tag = "info" */
 #define MODULE_INFO(tag, info) __MODULE_INFO(tag, tag, info)
 
diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h
index 061e19c94a6bc6..f73ca4d62683b5 100644
--- a/include/linux/moduleparam.h
+++ b/include/linux/moduleparam.h
@@ -392,14 +392,9 @@ extern char *parse_args(const char *name,
 				     const char *doing, void *arg));
 
 /* Called by module remove. */
-#ifdef CONFIG_SYSFS
-extern void destroy_params(const struct kernel_param *params, unsigned num);
-#else
-static inline void destroy_params(const struct kernel_param *params,
-				  unsigned num)
-{
-}
-#endif /* !CONFIG_SYSFS */
+#ifdef CONFIG_MODULES
+void module_destroy_params(const struct kernel_param *params, unsigned int num);
+#endif
 
 /* All the helper functions */
 /* The macros to do compile-time type checking stolen from Jakub
diff --git a/include/linux/padata.h b/include/linux/padata.h
index 495b16b6b4d729..6f07e12a438196 100644
--- a/include/linux/padata.h
+++ b/include/linux/padata.h
@@ -90,8 +90,6 @@ struct padata_cpumask {
  * @processed: Number of already processed objects.
  * @cpu: Next CPU to be processed.
  * @cpumask: The cpumasks in use for parallel and serial workers.
- * @reorder_work: work struct for reordering.
- * @lock: Reorder lock.
  */
 struct parallel_data {
 	struct padata_shell		*ps;
@@ -102,8 +100,6 @@ struct parallel_data {
 	unsigned int			processed;
 	int				cpu;
 	struct padata_cpumask		cpumask;
-	struct work_struct		reorder_work;
-	spinlock_t                      ____cacheline_aligned lock;
 };
 
 /**
diff --git a/include/linux/ppp_defs.h b/include/linux/ppp_defs.h
index 9d2b388fae1a40..b1d1f46d7d3be5 100644
--- a/include/linux/ppp_defs.h
+++ b/include/linux/ppp_defs.h
@@ -8,7 +8,37 @@
 #define _PPP_DEFS_H_
 
 #include <linux/crc-ccitt.h>
+#include <linux/skbuff.h>
 #include <uapi/linux/ppp_defs.h>
 
 #define PPP_FCS(fcs, c) crc_ccitt_byte(fcs, c)
+
+/**
+ * ppp_proto_is_valid - checks if PPP protocol is valid
+ * @proto: PPP protocol
+ *
+ * Assumes proto is not compressed.
+ * Protocol is valid if the value is odd and the least significant bit of the
+ * most significant octet is 0 (see RFC 1661, section 2).
+ */
+static inline bool ppp_proto_is_valid(u16 proto)
+{
+	return !!((proto & 0x0101) == 0x0001);
+}
+
+/**
+ * ppp_skb_is_compressed_proto - checks if PPP protocol in a skb is compressed
+ * @skb: skb to check
+ *
+ * Check if the PPP protocol field is compressed (the least significant
+ * bit of the most significant octet is 1). skb->data must point to the PPP
+ * protocol header.
+ *
+ * Return: Whether the PPP protocol field is compressed.
+ */
+static inline bool ppp_skb_is_compressed_proto(const struct sk_buff *skb)
+{
+	return unlikely(skb->data[0] & 0x01);
+}
+
 #endif /* _PPP_DEFS_H_ */
diff --git a/include/linux/printk.h b/include/linux/printk.h
index c4fb84822111dc..ff5062bf9b33dc 100644
--- a/include/linux/printk.h
+++ b/include/linux/printk.h
@@ -741,7 +741,8 @@ static inline void print_hex_dump_debug(const char *prefix_str, int prefix_type,
 #endif
 
 /**
- * print_hex_dump_bytes - shorthand form of print_hex_dump() with default params
+ * print_hex_dump_bytes - shorthand form of print_hex_dump_debug() with default
+ *                        params
  * @prefix_str: string to prefix each line with;
  *  caller supplies trailing spaces for alignment if desired
  * @prefix_type: controls whether prefix of an offset, address, or none
@@ -749,7 +750,7 @@ static inline void print_hex_dump_debug(const char *prefix_str, int prefix_type,
  * @buf: data blob to dump
  * @len: number of bytes in the @buf
  *
- * Calls print_hex_dump(), with log level of KERN_DEBUG,
+ * Calls print_hex_dump_debug(), with log level of KERN_DEBUG,
  * rowsize of 16, groupsize of 1, and ASCII output included.
  */
 #define print_hex_dump_bytes(prefix_str, prefix_type, buf, len)	\
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index 4bc8ff2a661438..8a1ad23da3a114 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -43,14 +43,7 @@ int dquot_initialize(struct inode *inode);
 bool dquot_initialize_needed(struct inode *inode);
 void dquot_drop(struct inode *inode);
 struct dquot *dqget(struct super_block *sb, struct kqid qid);
-static inline struct dquot *dqgrab(struct dquot *dquot)
-{
-	/* Make sure someone else has active reference to dquot */
-	WARN_ON_ONCE(!atomic_read(&dquot->dq_count));
-	WARN_ON_ONCE(!test_bit(DQ_ACTIVE_B, &dquot->dq_flags));
-	atomic_inc(&dquot->dq_count);
-	return dquot;
-}
+struct dquot *dqgrab(struct dquot *dquot);
 
 static inline bool dquot_is_busy(struct dquot *dquot)
 {
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index a8d6e976507e75..24ceeab1b509f9 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -3869,6 +3869,18 @@ skb_header_pointer(const struct sk_buff *skb, int offset, int len, void *buffer)
 				    skb_headlen(skb), buffer);
 }
 
+/* Variant of skb_header_pointer() where @offset is user-controlled
+ * and potentially negative.
+ */
+static inline void * __must_check
+skb_header_pointer_careful(const struct sk_buff *skb, int offset,
+			   int len, void *buffer)
+{
+	if (unlikely(offset < 0 && -offset > skb_headroom(skb)))
+		return NULL;
+	return skb_header_pointer(skb, offset, len, buffer);
+}
+
 /**
  *	skb_needs_linearize - check if we need to linearize a given skb
  *			      depending on the given device features.
diff --git a/include/linux/spinlock_up.h b/include/linux/spinlock_up.h
index 0ac9112c1bbe32..a406655c1fbd1e 100644
--- a/include/linux/spinlock_up.h
+++ b/include/linux/spinlock_up.h
@@ -48,16 +48,6 @@ static inline void arch_spin_unlock(arch_spinlock_t *lock)
 	lock->slock = 1;
 }
 
-/*
- * Read-write spinlocks. No debug version.
- */
-#define arch_read_lock(lock)		do { barrier(); (void)(lock); } while (0)
-#define arch_write_lock(lock)		do { barrier(); (void)(lock); } while (0)
-#define arch_read_trylock(lock)	({ barrier(); (void)(lock); 1; })
-#define arch_write_trylock(lock)	({ barrier(); (void)(lock); 1; })
-#define arch_read_unlock(lock)		do { barrier(); (void)(lock); } while (0)
-#define arch_write_unlock(lock)	do { barrier(); (void)(lock); } while (0)
-
 #else /* DEBUG_SPINLOCK */
 #define arch_spin_is_locked(lock)	((void)(lock), 0)
 /* for sched/core.c and kernel_lock.c: */
@@ -69,4 +59,14 @@ static inline void arch_spin_unlock(arch_spinlock_t *lock)
 
 #define arch_spin_is_contended(lock)	(((void)(lock), 0))
 
+/*
+ * Read-write spinlocks. No debug version.
+ */
+#define arch_read_lock(lock)		do { barrier(); (void)(lock); } while (0)
+#define arch_write_lock(lock)		do { barrier(); (void)(lock); } while (0)
+#define arch_read_trylock(lock)	({ barrier(); (void)(lock); 1; })
+#define arch_write_trylock(lock)	({ barrier(); (void)(lock); 1; })
+#define arch_read_unlock(lock)		do { barrier(); (void)(lock); } while (0)
+#define arch_write_unlock(lock)	do { barrier(); (void)(lock); } while (0)
+
 #endif /* __LINUX_SPINLOCK_UP_H */
diff --git a/include/linux/string.h b/include/linux/string.h
index bf368130bc42b9..0e2f82182ab409 100644
--- a/include/linux/string.h
+++ b/include/linux/string.h
@@ -212,6 +212,18 @@ static inline void memcpy_flushcache(void *dst, const void *src, size_t cnt)
 void *memchr_inv(const void *s, int c, size_t n);
 char *strreplace(char *s, char old, char new);
 
+/**
+ * mem_is_zero - Check if an area of memory is all 0's.
+ * @s: The memory area
+ * @n: The size of the area
+ *
+ * Return: True if the area of memory is all 0's.
+ */
+static inline bool mem_is_zero(const void *s, size_t n)
+{
+	return !memchr_inv(s, 0, n);
+}
+
 extern void kfree_const(const void *x);
 
 extern char *kstrdup(const char *s, gfp_t gfp) __malloc;
diff --git a/include/linux/sunrpc/xprt.h b/include/linux/sunrpc/xprt.h
index 955ea4d7af0b2f..eef5e87c03b43f 100644
--- a/include/linux/sunrpc/xprt.h
+++ b/include/linux/sunrpc/xprt.h
@@ -139,6 +139,9 @@ struct rpc_xprt_ops {
 	void		(*rpcbind)(struct rpc_task *task);
 	void		(*set_port)(struct rpc_xprt *xprt, unsigned short port);
 	void		(*connect)(struct rpc_xprt *xprt, struct rpc_task *task);
+	int		(*get_srcaddr)(struct rpc_xprt *xprt, char *buf,
+				       size_t buflen);
+	unsigned short	(*get_srcport)(struct rpc_xprt *xprt);
 	int		(*buf_alloc)(struct rpc_task *task);
 	void		(*buf_free)(struct rpc_task *task);
 	void		(*prepare_request)(struct rpc_rqst *req);
diff --git a/include/linux/sunrpc/xprtsock.h b/include/linux/sunrpc/xprtsock.h
index 3eb0079669c503..38284f25eddfd3 100644
--- a/include/linux/sunrpc/xprtsock.h
+++ b/include/linux/sunrpc/xprtsock.h
@@ -10,7 +10,6 @@
 
 int		init_socket_xprt(void);
 void		cleanup_socket_xprt(void);
-unsigned short	get_srcport(struct rpc_xprt *);
 
 #define RPC_MIN_RESVPORT	(1U)
 #define RPC_MAX_RESVPORT	(65535U)
diff --git a/include/linux/tpm_eventlog.h b/include/linux/tpm_eventlog.h
index 7d68a5cc588163..6e5be15029fb14 100644
--- a/include/linux/tpm_eventlog.h
+++ b/include/linux/tpm_eventlog.h
@@ -131,11 +131,16 @@ struct tcg_algorithm_info {
 };
 
 #ifndef TPM_MEMREMAP
-#define TPM_MEMREMAP(start, size) NULL
+static inline void *TPM_MEMREMAP(unsigned long start, size_t size)
+{
+	return NULL;
+}
 #endif
 
 #ifndef TPM_MEMUNMAP
-#define TPM_MEMUNMAP(start, size) do{} while(0)
+static inline void TPM_MEMUNMAP(void *mapping, size_t size)
+{
+}
 #endif
 
 /**
diff --git a/include/linux/uprobes.h b/include/linux/uprobes.h
index f46e0ca0169c72..3461199c4ec0da 100644
--- a/include/linux/uprobes.h
+++ b/include/linux/uprobes.h
@@ -138,6 +138,7 @@ extern bool arch_uretprobe_is_alive(struct return_instance *ret, enum rp_check c
 extern bool arch_uprobe_ignore(struct arch_uprobe *aup, struct pt_regs *regs);
 extern void arch_uprobe_copy_ixol(struct page *page, unsigned long vaddr,
 					 void *src, unsigned long len);
+extern unsigned long arch_uprobe_get_xol_area(void);
 #else /* !CONFIG_UPROBES */
 struct uprobes_state {
 };
diff --git a/include/linux/usb.h b/include/linux/usb.h
index ed5cb60057ba1e..a0dd4d7b494b29 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -54,7 +54,8 @@ struct ep_device;
  * @ssp_isoc_ep_comp: SuperSpeedPlus isoc companion descriptor for this endpoint
  * @urb_list: urbs queued to this endpoint; maintained by usbcore
  * @hcpriv: for use by HCD; typically holds hardware dma queue head (QH)
- *	with one or more transfer descriptors (TDs) per urb
+ *	with one or more transfer descriptors (TDs) per urb; must be preserved
+ *	by core while BW is allocated for the endpoint
  * @ep_dev: ep_device for sysfs info
  * @extra: descriptors following this endpoint in the configuration
  * @extralen: how many bytes of "extra" are valid
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index f6ab6fe7fd8033..b906151c078397 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -28,6 +28,7 @@
 #include <linux/idr.h>
 #include <linux/leds.h>
 #include <linux/rculist.h>
+#include <linux/srcu.h>
 
 #include <net/bluetooth/hci.h>
 #include <net/bluetooth/hci_sock.h>
@@ -308,6 +309,7 @@ struct amp_assoc {
 
 struct hci_dev {
 	struct list_head list;
+	struct srcu_struct srcu;
 	struct mutex	lock;
 
 	const char	*name;
diff --git a/include/net/flow_dissector.h b/include/net/flow_dissector.h
index 8d0d0cf93a785a..44034e6af93874 100644
--- a/include/net/flow_dissector.h
+++ b/include/net/flow_dissector.h
@@ -269,6 +269,26 @@ struct flow_dissector_key_hash {
 	u32 hash;
 };
 
+/**
+ * struct flow_dissector_key_num_of_vlans:
+ * @num_of_vlans: num_of_vlans value
+ */
+struct flow_dissector_key_num_of_vlans {
+	u8 num_of_vlans;
+};
+
+/**
+ * struct flow_dissector_key_pppoe:
+ * @session_id: pppoe session id
+ * @ppp_proto: ppp protocol
+ * @type: pppoe eth type
+ */
+struct flow_dissector_key_pppoe {
+	__be16 session_id;
+	__be16 ppp_proto;
+	__be16 type;
+};
+
 enum flow_dissector_key_id {
 	FLOW_DISSECTOR_KEY_CONTROL, /* struct flow_dissector_key_control */
 	FLOW_DISSECTOR_KEY_BASIC, /* struct flow_dissector_key_basic */
@@ -298,6 +318,8 @@ enum flow_dissector_key_id {
 	FLOW_DISSECTOR_KEY_META, /* struct flow_dissector_key_meta */
 	FLOW_DISSECTOR_KEY_CT, /* struct flow_dissector_key_ct */
 	FLOW_DISSECTOR_KEY_HASH, /* struct flow_dissector_key_hash */
+	FLOW_DISSECTOR_KEY_NUM_OF_VLANS, /* struct flow_dissector_key_num_of_vlans */
+	FLOW_DISSECTOR_KEY_PPPOE, /* struct flow_dissector_key_pppoe */
 
 	FLOW_DISSECTOR_KEY_MAX,
 };
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 0a1c9366cc81e6..1607bfd011bf22 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -1034,12 +1034,6 @@ struct dst_entry *ip6_dst_lookup_flow(struct net *net, const struct sock *sk, st
 struct dst_entry *ip6_sk_dst_lookup_flow(struct sock *sk, struct flowi6 *fl6,
 					 const struct in6_addr *final_dst,
 					 bool connected);
-struct dst_entry *ip6_dst_lookup_tunnel(struct sk_buff *skb,
-					struct net_device *dev,
-					struct net *net, struct socket *sock,
-					struct in6_addr *saddr,
-					const struct ip_tunnel_info *info,
-					u8 protocol, bool use_cache);
 struct dst_entry *ip6_blackhole_route(struct net *net,
 				      struct dst_entry *orig_dst);
 
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index f101ef4a1fd695..a4ef9f93a53c46 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -6454,6 +6454,10 @@ void ieee80211_report_wowlan_wakeup(struct ieee80211_vif *vif,
  * @band: the band to transmit on
  * @sta: optional pointer to get the station to send the frame to
  *
+ * Return: %true if the skb was prepared, %false otherwise.
+ * On failure, the skb is freed by this function; callers must not
+ * free it again.
+ *
  * Note: must be called under RCU lock
  */
 bool ieee80211_tx_prepare_skb(struct ieee80211_hw *hw,
diff --git a/include/net/netfilter/nf_queue.h b/include/net/netfilter/nf_queue.h
index 980daa6e1e3aa4..9c25e7af2ce825 100644
--- a/include/net/netfilter/nf_queue.h
+++ b/include/net/netfilter/nf_queue.h
@@ -12,6 +12,7 @@
 struct nf_queue_entry {
 	struct list_head	list;
 	struct sk_buff		*skb;
+	struct net_device	*skb_dev;
 	unsigned int		id;
 	unsigned int		hook_index;	/* index in hook_entries->hook[] */
 #if IS_ENABLED(CONFIG_BRIDGE_NETFILTER)
diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h
index 9f68155e054cf0..2b977d5d6f30fe 100644
--- a/include/net/netfilter/nf_tables.h
+++ b/include/net/netfilter/nf_tables.h
@@ -821,6 +821,8 @@ void *nft_set_elem_init(const struct nft_set *set,
 			u64 timeout, u64 expiration, gfp_t gfp);
 int nft_set_elem_expr_clone(const struct nft_ctx *ctx, struct nft_set *set,
 			    struct nft_expr *expr_array[]);
+void nft_set_elem_expr_destroy(const struct nft_ctx *ctx,
+			       struct nft_set_elem_expr *elem_expr);
 void nft_set_elem_destroy(const struct nft_set *set, void *elem,
 			  bool destroy_expr);
 void nf_tables_set_elem_destroy(const struct nft_ctx *ctx,
diff --git a/include/net/pie.h b/include/net/pie.h
index 3fe2361e03b46d..f6fd51e2b7daa3 100644
--- a/include/net/pie.h
+++ b/include/net/pie.h
@@ -104,7 +104,7 @@ static inline void pie_vars_init(struct pie_vars *vars)
 	vars->dq_tstamp = DTIME_INVALID;
 	vars->accu_prob = 0;
 	vars->dq_count = DQCOUNT_INVALID;
-	vars->avg_dq_rate = 0;
+	WRITE_ONCE(vars->avg_dq_rate, 0);
 }
 
 static inline struct pie_skb_cb *get_pie_cb(const struct sk_buff *skb)
diff --git a/include/net/red.h b/include/net/red.h
index be11dbd2649209..454ac2b65d8ca1 100644
--- a/include/net/red.h
+++ b/include/net/red.h
@@ -122,7 +122,6 @@ struct red_stats {
 	u32		forced_drop;	/* Forced drops, qavg > max_thresh */
 	u32		forced_mark;	/* Forced marks, qavg > max_thresh */
 	u32		pdrop;          /* Drops due to queue limits */
-	u32		other;          /* Drops due to drop() calls */
 };
 
 struct red_parms {
diff --git a/include/net/route.h b/include/net/route.h
index 036e3ee3b856b5..d771ceb7b337ba 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -128,12 +128,6 @@ static inline struct rtable *__ip_route_output_key(struct net *net,
 
 struct rtable *ip_route_output_flow(struct net *, struct flowi4 *flp,
 				    const struct sock *sk);
-struct rtable *ip_route_output_tunnel(struct sk_buff *skb,
-				      struct net_device *dev,
-				      struct net *net, __be32 *saddr,
-				      const struct ip_tunnel_info *info,
-				      u8 protocol, bool use_cache);
-
 struct dst_entry *ipv4_blackhole_route(struct net *net,
 				       struct dst_entry *dst_orig);
 
diff --git a/include/net/udp_tunnel.h b/include/net/udp_tunnel.h
index b6af537abdc5ad..51f9e5869ac195 100644
--- a/include/net/udp_tunnel.h
+++ b/include/net/udp_tunnel.h
@@ -161,6 +161,21 @@ int udp_tunnel6_xmit_skb(struct dst_entry *dst, struct sock *sk,
 
 void udp_tunnel_sock_release(struct socket *sock);
 
+struct rtable *udp_tunnel_dst_lookup(struct sk_buff *skb,
+				     struct net_device *dev,
+				     struct net *net, int oif,
+				     __be32 *saddr,
+				     const struct ip_tunnel_key *key,
+				     __be16 sport, __be16 dport, u8 tos,
+				     struct dst_cache *dst_cache);
+struct dst_entry *udp_tunnel6_dst_lookup(struct sk_buff *skb,
+					 struct net_device *dev,
+					 struct net *net,
+					 struct socket *sock,
+					 struct in6_addr *saddr,
+					 const struct ip_tunnel_info *info,
+					 u8 protocol, bool use_cache);
+
 struct metadata_dst *udp_tun_rx_dst(struct sk_buff *skb, unsigned short family,
 				    __be16 flags, __be64 tunnel_id,
 				    int md_size);
diff --git a/include/trace/events/btrfs.h b/include/trace/events/btrfs.h
index a5f77b685c55fe..3c8bbe2a24a55c 100644
--- a/include/trace/events/btrfs.h
+++ b/include/trace/events/btrfs.h
@@ -695,12 +695,13 @@ TRACE_EVENT(btrfs_sync_file,
 	),
 
 	TP_fast_assign(
-		const struct dentry *dentry = file->f_path.dentry;
-		const struct inode *inode = d_inode(dentry);
+		struct dentry *dentry = file_dentry(file);
+		struct inode *inode = file_inode(file);
+		struct inode *parent_inode = d_inode(dentry->d_parent);
 
-		TP_fast_assign_fsid(btrfs_sb(file->f_path.dentry->d_sb));
+		TP_fast_assign_fsid(btrfs_sb(inode->i_sb));
 		__entry->ino		= btrfs_ino(BTRFS_I(inode));
-		__entry->parent		= btrfs_ino(BTRFS_I(d_inode(dentry->d_parent)));
+		__entry->parent		= btrfs_ino(BTRFS_I(parent_inode));
 		__entry->datasync	= datasync;
 		__entry->root_objectid	=
 				 BTRFS_I(inode)->root->root_key.objectid;
diff --git a/include/trace/events/rxrpc.h b/include/trace/events/rxrpc.h
index 221856f2d295c4..6cde10ae4445d1 100644
--- a/include/trace/events/rxrpc.h
+++ b/include/trace/events/rxrpc.h
@@ -93,9 +93,13 @@ enum rxrpc_call_trace {
 	rxrpc_call_put_notimer,
 	rxrpc_call_put_timer,
 	rxrpc_call_put_userid,
+	rxrpc_call_put_recvmsg_peek_nowait,
 	rxrpc_call_queued,
 	rxrpc_call_queued_ref,
 	rxrpc_call_release,
+	rxrpc_call_see_recvmsg_requeue,
+	rxrpc_call_see_recvmsg_requeue_first,
+	rxrpc_call_see_recvmsg_requeue_move,
 	rxrpc_call_seen,
 };
 
@@ -291,9 +295,13 @@ enum rxrpc_tx_point {
 	EM(rxrpc_call_put_notimer,		"PnT") \
 	EM(rxrpc_call_put_timer,		"PTM") \
 	EM(rxrpc_call_put_userid,		"Pus") \
+	EM(rxrpc_call_put_recvmsg_peek_nowait,	"PpN") \
 	EM(rxrpc_call_queued,			"QUE") \
 	EM(rxrpc_call_queued_ref,		"QUR") \
 	EM(rxrpc_call_release,			"RLS") \
+	EM(rxrpc_call_see_recvmsg_requeue,	"SrQ") \
+	EM(rxrpc_call_see_recvmsg_requeue_first,"SrF") \
+	EM(rxrpc_call_see_recvmsg_requeue_move,	"SrM") \
 	E_(rxrpc_call_seen,			"SEE")
 
 #define rxrpc_transmit_traces \
diff --git a/include/uapi/linux/mii.h b/include/uapi/linux/mii.h
index 39f7c44baf5350..61d6edad4b94af 100644
--- a/include/uapi/linux/mii.h
+++ b/include/uapi/linux/mii.h
@@ -82,7 +82,8 @@
 #define ADVERTISE_100BASE4	0x0200	/* Try for 100mbps 4k packets  */
 #define ADVERTISE_PAUSE_CAP	0x0400	/* Try for pause               */
 #define ADVERTISE_PAUSE_ASYM	0x0800	/* Try for asymetric pause     */
-#define ADVERTISE_RESV		0x1000	/* Unused...                   */
+#define ADVERTISE_XNP		0x1000  /* Extended Next Page */
+#define ADVERTISE_RESV		ADVERTISE_XNP /* Used to be reserved */
 #define ADVERTISE_RFAULT	0x2000	/* Say we can detect faults    */
 #define ADVERTISE_LPACK		0x4000	/* Ack link partners response  */
 #define ADVERTISE_NPAGE		0x8000	/* Next page bit               */
diff --git a/include/video/udlfb.h b/include/video/udlfb.h
index 58fb5732831a43..ab34790d57ecd6 100644
--- a/include/video/udlfb.h
+++ b/include/video/udlfb.h
@@ -56,6 +56,7 @@ struct dlfb_data {
 	spinlock_t damage_lock;
 	struct work_struct damage_work;
 	struct fb_ops ops;
+	atomic_t mmap_count;
 	/* blit-only rendering path metrics, exposed through sysfs */
 	atomic_t bytes_rendered; /* raw pixel-bytes driver asked to render */
 	atomic_t bytes_identical; /* saved effort with backbuffer comparison */
diff --git a/io_uring/io-wq.c b/io_uring/io-wq.c
index 926890f5086e12..5d95e604b7e646 100644
--- a/io_uring/io-wq.c
+++ b/io_uring/io-wq.c
@@ -1014,7 +1014,8 @@ static inline void io_wqe_remove_pending(struct io_wqe *wqe,
 	if (io_wq_is_hashed(work) && work == wqe->hash_tail[hash]) {
 		if (prev)
 			prev_work = container_of(prev, struct io_wq_work, list);
-		if (prev_work && io_get_work_hash(prev_work) == hash)
+		if (prev_work && io_wq_is_hashed(prev_work) &&
+		    io_get_work_hash(prev_work) == hash)
 			wqe->hash_tail[hash] = prev_work;
 		else
 			wqe->hash_tail[hash] = NULL;
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 38decfc1a914ac..8ecf01f1b689ef 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -5794,14 +5794,19 @@ static int io_poll_wake(struct wait_queue_entry *wait, unsigned mode, int sync,
 	if (mask && !(mask & poll->events))
 		return 0;
 
+	/*
+	 * If we trigger a multishot poll off our own wakeup path,
+	 * disable multishot as there is a circular dependency between
+	 * CQ posting and triggering the event.
+	 */
+	if (mask & EPOLL_URING_WAKE)
+		poll->events |= EPOLLONESHOT;
+
 	if (io_poll_get_ownership(req)) {
-		/*
-		 * If we trigger a multishot poll off our own wakeup path,
-		 * disable multishot as there is a circular dependency between
-		 * CQ posting and triggering the event.
-		 */
-		if (mask & EPOLL_URING_WAKE)
-			poll->events |= EPOLLONESHOT;
+		if (mask && poll->events & EPOLLONESHOT) {
+			list_del_init(&poll->wait.entry);
+			smp_store_release(&poll->head, NULL);
+		}
 
 		__io_poll_execute(req, mask);
 	}
@@ -6139,26 +6144,22 @@ static int __io_poll_add(struct io_kiocb *req, unsigned int issue_flags)
 	if (!ret && ipt.error)
 		req_set_fail(req);
 	ret = ret ?: ipt.error;
-	if (ret > 0) {
+	if (ret)
 		__io_req_complete(req, issue_flags, ret, 0);
-		return ret;
-	}
-	return 0;
+	return ret;
 }
 
 static int io_poll_add(struct io_kiocb *req, unsigned int issue_flags)
 {
-	int ret;
-
-	ret = __io_poll_add(req, issue_flags);
-	return ret < 0 ? ret : 0;
+	__io_poll_add(req, issue_flags);
+	return 0;
 }
 
 static int io_poll_update(struct io_kiocb *req, unsigned int issue_flags)
 {
 	struct io_ring_ctx *ctx = req->ctx;
 	struct io_kiocb *preq;
-	int ret2, ret = 0;
+	int ret2 = -ECANCELED, ret = 0;
 
 	io_ring_submit_lock(ctx, !(issue_flags & IO_URING_F_NONBLOCK));
 
@@ -6189,7 +6190,7 @@ static int io_poll_update(struct io_kiocb *req, unsigned int issue_flags)
 		preq->result = ret2;
 
 	}
-	if (preq->result < 0)
+	if (ret2 < 0)
 		req_set_fail(preq);
 	io_req_complete(preq, preq->result);
 out:
@@ -7365,6 +7366,8 @@ static int io_init_req(struct io_ring_ctx *ctx, struct io_kiocb *req,
 		return -EINVAL;
 	if (unlikely(req->opcode >= IORING_OP_LAST))
 		return -EINVAL;
+	req->opcode = array_index_nospec(req->opcode, IORING_OP_LAST);
+
 	if (!io_check_restriction(ctx, req, sqe_flags))
 		return -EACCES;
 
diff --git a/kernel/audit.c b/kernel/audit.c
index 82b6fea46e2096..3e1c18a4110138 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -1430,6 +1430,8 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh,
 		err = audit_list_rules_send(skb, seq);
 		break;
 	case AUDIT_TRIM:
+		if (audit_enabled == AUDIT_LOCKED)
+			return -EPERM;
 		audit_trim_trees();
 		audit_log_common_recv_msg(audit_context(), &ab,
 					  AUDIT_CONFIG_CHANGE);
@@ -1442,6 +1444,8 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh,
 		size_t msglen = data_len;
 		char *old, *new;
 
+		if (audit_enabled == AUDIT_LOCKED)
+			return -EPERM;
 		err = -EINVAL;
 		if (msglen < 2 * sizeof(u32))
 			break;
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index e7fedf504f7604..2107b02c56ffb3 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -2585,7 +2585,7 @@ void __audit_log_capset(const struct cred *new, const struct cred *old)
 
 	context->capset.pid = task_tgid_nr(current);
 	context->capset.cap.effective   = new->cap_effective;
-	context->capset.cap.inheritable = new->cap_effective;
+	context->capset.cap.inheritable = new->cap_inheritable;
 	context->capset.cap.permitted   = new->cap_permitted;
 	context->capset.cap.ambient     = new->cap_ambient;
 	context->type = AUDIT_CAPSET;
diff --git a/kernel/bpf/bpf_lsm.c b/kernel/bpf/bpf_lsm.c
index 06062370c3b81e..02913d8610414a 100644
--- a/kernel/bpf/bpf_lsm.c
+++ b/kernel/bpf/bpf_lsm.c
@@ -211,7 +211,7 @@ BTF_ID(func, bpf_lsm_task_getsecid_subj)
 BTF_ID(func, bpf_lsm_task_getsecid_obj)
 BTF_ID(func, bpf_lsm_task_prctl)
 BTF_ID(func, bpf_lsm_task_setscheduler)
-BTF_ID(func, bpf_lsm_task_to_inode)
+BTF_ID(func, bpf_lsm_userns_create)
 BTF_SET_END(sleepable_lsm_hooks)
 
 bool bpf_lsm_is_sleepable_hook(u32 btf_id)
diff --git a/kernel/bpf/devmap.c b/kernel/bpf/devmap.c
index 2bfdca506a4de0..6ad4b068abc770 100644
--- a/kernel/bpf/devmap.c
+++ b/kernel/bpf/devmap.c
@@ -635,7 +635,7 @@ int dev_map_enqueue_multi(struct xdp_frame *xdpf, struct net_device *dev_rx,
 		for (i = 0; i < dtab->n_buckets; i++) {
 			head = dev_map_index_hash(dtab, i);
 			hlist_for_each_entry_rcu(dst, head, index_hlist,
-						 lockdep_is_held(&dtab->index_lock)) {
+						rcu_read_lock_bh_held()) {
 				if (!is_valid_dst(dst, xdpf))
 					continue;
 
@@ -717,7 +717,6 @@ int dev_map_redirect_multi(struct net_device *dev, struct sk_buff *skb,
 	struct bpf_dtab_netdev *dst, *last_dst = NULL;
 	int excluded_devices[1+MAX_NEST_DEV];
 	struct hlist_head *head;
-	struct hlist_node *next;
 	int num_excluded = 0;
 	unsigned int i;
 	int err;
@@ -757,10 +756,7 @@ int dev_map_redirect_multi(struct net_device *dev, struct sk_buff *skb,
 	} else { /* BPF_MAP_TYPE_DEVMAP_HASH */
 		for (i = 0; i < dtab->n_buckets; i++) {
 			head = dev_map_index_hash(dtab, i);
-			hlist_for_each_entry_safe(dst, next, head, index_hlist) {
-				if (!dst)
-					continue;
-
+			hlist_for_each_entry_rcu(dst, head, index_hlist, rcu_read_lock_bh_held()) {
 				if (is_ifindex_excluded(excluded_devices, num_excluded,
 							dst->dev->ifindex))
 					continue;
diff --git a/kernel/bpf/local_storage.c b/kernel/bpf/local_storage.c
index 035e9e3a7132e6..85e1b5fba0d579 100644
--- a/kernel/bpf/local_storage.c
+++ b/kernel/bpf/local_storage.c
@@ -259,7 +259,7 @@ static int cgroup_storage_get_next_key(struct bpf_map *_map, void *key,
 			goto enoent;
 
 		storage = list_next_entry(storage, list_map);
-		if (!storage)
+		if (list_entry_is_head(storage, &map->list, list_map))
 			goto enoent;
 	} else {
 		storage = list_first_entry(&map->list,
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index e2d49eab8c3d53..7f5bdc817aecce 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -5540,6 +5540,9 @@ skip_type_check:
 			return -EACCES;
 		}
 		meta->mem_size = reg->var_off.value;
+		err = mark_chain_precision(env, regno);
+		if (err)
+			return err;
 	} else if (arg_type_is_int_ptr(arg_type)) {
 		int size = int_ptr_type_to_size(arg_type);
 
diff --git a/kernel/cgroup/rdma.c b/kernel/cgroup/rdma.c
index 3135406608c75d..3265fbbbe7e29b 100644
--- a/kernel/cgroup/rdma.c
+++ b/kernel/cgroup/rdma.c
@@ -281,7 +281,7 @@ int rdmacg_try_charge(struct rdma_cgroup **rdmacg,
 			ret = PTR_ERR(rpool);
 			goto err;
 		} else {
-			new = rpool->resources[index].usage + 1;
+			new = (s64)rpool->resources[index].usage + 1;
 			if (new > rpool->resources[index].max) {
 				ret = -EAGAIN;
 				goto err;
diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
index 4e6ada6a11c7e9..3bd85f0438819d 100644
--- a/kernel/events/uprobes.c
+++ b/kernel/events/uprobes.c
@@ -1437,6 +1437,12 @@ void uprobe_munmap(struct vm_area_struct *vma, unsigned long start, unsigned lon
 		set_bit(MMF_RECALC_UPROBES, &vma->vm_mm->flags);
 }
 
+unsigned long __weak arch_uprobe_get_xol_area(void)
+{
+	/* Try to map as high as possible, this is only a hint. */
+	return get_unmapped_area(NULL, TASK_SIZE - PAGE_SIZE, PAGE_SIZE, 0, 0);
+}
+
 /* Slot allocation for XOL */
 static int xol_add_vma(struct mm_struct *mm, struct xol_area *area)
 {
@@ -1452,9 +1458,7 @@ static int xol_add_vma(struct mm_struct *mm, struct xol_area *area)
 	}
 
 	if (!area->vaddr) {
-		/* Try to map as high as possible, this is only a hint. */
-		area->vaddr = get_unmapped_area(NULL, TASK_SIZE - PAGE_SIZE,
-						PAGE_SIZE, 0, 0);
+		area->vaddr = arch_uprobe_get_xol_area();
 		if (IS_ERR_VALUE(area->vaddr)) {
 			ret = area->vaddr;
 			goto fail;
diff --git a/kernel/fork.c b/kernel/fork.c
index e1b291e5e10387..eb772b1e819f2f 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -3176,11 +3176,10 @@ int ksys_unshare(unsigned long unshare_flags)
 					 new_cred, new_fs);
 	if (err)
 		goto bad_unshare_cleanup_cred;
-
 	if (new_cred) {
 		err = set_cred_ucounts(new_cred);
 		if (err)
-			goto bad_unshare_cleanup_cred;
+			goto bad_unshare_cleanup_nsproxy;
 	}
 
 	if (new_fs || new_fd || do_sysvsem || new_cred || new_nsproxy) {
@@ -3196,8 +3195,10 @@ int ksys_unshare(unsigned long unshare_flags)
 			shm_init_task(current);
 		}
 
-		if (new_nsproxy)
+		if (new_nsproxy) {
 			switch_task_namespaces(current, new_nsproxy);
+			new_nsproxy = NULL;
+		}
 
 		task_lock(current);
 
@@ -3229,13 +3230,15 @@ int ksys_unshare(unsigned long unshare_flags)
 
 	perf_event_namespaces(current);
 
+bad_unshare_cleanup_nsproxy:
+	if (new_nsproxy)
+		put_nsproxy(new_nsproxy);
 bad_unshare_cleanup_cred:
 	if (new_cred)
 		put_cred(new_cred);
 bad_unshare_cleanup_fd:
 	if (new_fd)
 		put_files_struct(new_fd);
-
 bad_unshare_cleanup_fs:
 	if (new_fs)
 		free_fs_struct(new_fs);
diff --git a/kernel/module.c b/kernel/module.c
index 07fa34461fa2f8..b6409b0032b85c 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -2179,7 +2179,7 @@ static void free_module(struct module *mod)
 	module_unload_free(mod);
 
 	/* Free any allocated parameters. */
-	destroy_params(mod->kp, mod->num_kp);
+	module_destroy_params(mod->kp, mod->num_kp);
 
 	if (is_livepatch_module(mod))
 		free_module_elf(mod);
@@ -4166,7 +4166,7 @@ static int load_module(struct load_info *info, const char __user *uargs,
 	mod_sysfs_teardown(mod);
  coming_cleanup:
 	mod->state = MODULE_STATE_GOING;
-	destroy_params(mod->kp, mod->num_kp);
+	module_destroy_params(mod->kp, mod->num_kp);
 	blocking_notifier_call_chain(&module_notify_list,
 				     MODULE_STATE_GOING, mod);
 	klp_module_going(mod);
diff --git a/kernel/padata.c b/kernel/padata.c
index 5453f575090676..93af1e9bb3aeba 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -253,20 +253,17 @@ EXPORT_SYMBOL(padata_do_parallel);
  *   be parallel processed by another cpu and is not yet present in
  *   the cpu's reorder queue.
  */
-static struct padata_priv *padata_find_next(struct parallel_data *pd,
-					    bool remove_object)
+static struct padata_priv *padata_find_next(struct parallel_data *pd, int cpu,
+					    unsigned int processed)
 {
 	struct padata_priv *padata;
 	struct padata_list *reorder;
-	int cpu = pd->cpu;
 
 	reorder = per_cpu_ptr(pd->reorder_list, cpu);
 
 	spin_lock(&reorder->lock);
-	if (list_empty(&reorder->list)) {
-		spin_unlock(&reorder->lock);
-		return NULL;
-	}
+	if (list_empty(&reorder->list))
+		goto notfound;
 
 	padata = list_entry(reorder->list.next, struct padata_priv, list);
 
@@ -274,101 +271,52 @@ static struct padata_priv *padata_find_next(struct parallel_data *pd,
 	 * Checks the rare case where two or more parallel jobs have hashed to
 	 * the same CPU and one of the later ones finishes first.
 	 */
-	if (padata->seq_nr != pd->processed) {
-		spin_unlock(&reorder->lock);
-		return NULL;
-	}
-
-	if (remove_object) {
-		list_del_init(&padata->list);
-		++pd->processed;
-		/* When sequence wraps around, reset to the first CPU. */
-		if (unlikely(pd->processed == 0))
-			pd->cpu = cpumask_first(pd->cpumask.pcpu);
-		else
-			pd->cpu = cpumask_next_wrap(cpu, pd->cpumask.pcpu, -1, false);
-	}
+	if (padata->seq_nr != processed)
+		goto notfound;
 
+	list_del_init(&padata->list);
 	spin_unlock(&reorder->lock);
 	return padata;
+
+notfound:
+	pd->processed = processed;
+	pd->cpu = cpu;
+	spin_unlock(&reorder->lock);
+	return NULL;
 }
 
-static void padata_reorder(struct parallel_data *pd)
+static void padata_reorder(struct padata_priv *padata)
 {
+	struct parallel_data *pd = padata->pd;
 	struct padata_instance *pinst = pd->ps->pinst;
-	int cb_cpu;
-	struct padata_priv *padata;
-	struct padata_serial_queue *squeue;
-	struct padata_list *reorder;
+	unsigned int processed;
+	int cpu;
 
-	/*
-	 * We need to ensure that only one cpu can work on dequeueing of
-	 * the reorder queue the time. Calculating in which percpu reorder
-	 * queue the next object will arrive takes some time. A spinlock
-	 * would be highly contended. Also it is not clear in which order
-	 * the objects arrive to the reorder queues. So a cpu could wait to
-	 * get the lock just to notice that there is nothing to do at the
-	 * moment. Therefore we use a trylock and let the holder of the lock
-	 * care for all the objects enqueued during the holdtime of the lock.
-	 */
-	if (!spin_trylock_bh(&pd->lock))
-		return;
+	processed = pd->processed;
+	cpu = pd->cpu;
 
-	while (1) {
-		padata = padata_find_next(pd, true);
+	do {
+		struct padata_serial_queue *squeue;
+		int cb_cpu;
 
-		/*
-		 * If the next object that needs serialization is parallel
-		 * processed by another cpu and is still on it's way to the
-		 * cpu's reorder queue, nothing to do for now.
-		 */
-		if (!padata)
-			break;
+		cpu = cpumask_next_wrap(cpu, pd->cpumask.pcpu, -1, false);
+		processed++;
 
 		cb_cpu = padata->cb_cpu;
 		squeue = per_cpu_ptr(pd->squeue, cb_cpu);
 
 		spin_lock(&squeue->serial.lock);
 		list_add_tail(&padata->list, &squeue->serial.list);
-		spin_unlock(&squeue->serial.lock);
-
 		queue_work_on(cb_cpu, pinst->serial_wq, &squeue->work);
-	}
 
-	spin_unlock_bh(&pd->lock);
-
-	/*
-	 * The next object that needs serialization might have arrived to
-	 * the reorder queues in the meantime.
-	 *
-	 * Ensure reorder queue is read after pd->lock is dropped so we see
-	 * new objects from another task in padata_do_serial.  Pairs with
-	 * smp_mb in padata_do_serial.
-	 */
-	smp_mb();
-
-	reorder = per_cpu_ptr(pd->reorder_list, pd->cpu);
-	if (!list_empty(&reorder->list) && padata_find_next(pd, false)) {
 		/*
-		 * Other context(eg. the padata_serial_worker) can finish the request.
-		 * To avoid UAF issue, add pd ref here, and put pd ref after reorder_work finish.
+		 * If the next object that needs serialization is parallel
+		 * processed by another cpu and is still on it's way to the
+		 * cpu's reorder queue, end the loop.
 		 */
-		padata_get_pd(pd);
-		if (!queue_work(pinst->serial_wq, &pd->reorder_work))
-			padata_put_pd(pd);
-	}
-}
-
-static void invoke_padata_reorder(struct work_struct *work)
-{
-	struct parallel_data *pd;
-
-	local_bh_disable();
-	pd = container_of(work, struct parallel_data, reorder_work);
-	padata_reorder(pd);
-	local_bh_enable();
-	/* Pairs with putting the reorder_work in the serial_wq */
-	padata_put_pd(pd);
+		padata = padata_find_next(pd, cpu, processed);
+		spin_unlock(&squeue->serial.lock);
+	} while (padata);
 }
 
 static void padata_serial_worker(struct work_struct *serial_work)
@@ -419,6 +367,7 @@ void padata_do_serial(struct padata_priv *padata)
 	struct padata_list *reorder = per_cpu_ptr(pd->reorder_list, hashed_cpu);
 	struct padata_priv *cur;
 	struct list_head *pos;
+	bool gotit = true;
 
 	spin_lock(&reorder->lock);
 	/* Sort in ascending order of sequence number. */
@@ -428,17 +377,14 @@ void padata_do_serial(struct padata_priv *padata)
 		if ((signed int)(cur->seq_nr - padata->seq_nr) < 0)
 			break;
 	}
-	list_add(&padata->list, pos);
+	if (padata->seq_nr != pd->processed) {
+		gotit = false;
+		list_add(&padata->list, pos);
+	}
 	spin_unlock(&reorder->lock);
 
-	/*
-	 * Ensure the addition to the reorder list is ordered correctly
-	 * with the trylock of pd->lock in padata_reorder.  Pairs with smp_mb
-	 * in padata_reorder.
-	 */
-	smp_mb();
-
-	padata_reorder(pd);
+	if (gotit)
+		padata_reorder(padata);
 }
 EXPORT_SYMBOL(padata_do_serial);
 
@@ -625,9 +571,7 @@ static struct parallel_data *padata_alloc_pd(struct padata_shell *ps)
 	padata_init_squeues(pd);
 	pd->seq_nr = -1;
 	refcount_set(&pd->refcnt, 1);
-	spin_lock_init(&pd->lock);
 	pd->cpu = cpumask_first(pd->cpumask.pcpu);
-	INIT_WORK(&pd->reorder_work, invoke_padata_reorder);
 
 	return pd;
 
@@ -1137,12 +1081,6 @@ void padata_free_shell(struct padata_shell *ps)
 	if (!ps)
 		return;
 
-	/*
-	 * Wait for all _do_serial calls to finish to avoid touching
-	 * freed pd's and ps's.
-	 */
-	synchronize_rcu();
-
 	mutex_lock(&ps->pinst->lock);
 	list_del(&ps->list);
 	pd = rcu_dereference_protected(ps->pd, 1);
diff --git a/kernel/params.c b/kernel/params.c
index 1b856942d82d40..1233673b42ecc7 100644
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -592,12 +592,6 @@ static ssize_t param_attr_store(struct module_attribute *mattr,
 }
 #endif
 
-#ifdef CONFIG_MODULES
-#define __modinit
-#else
-#define __modinit __init
-#endif
-
 #ifdef CONFIG_SYSFS
 void kernel_param_lock(struct module *mod)
 {
@@ -622,9 +616,9 @@ EXPORT_SYMBOL(kernel_param_unlock);
  * create file in sysfs.  Returns an error on out of memory.  Always cleans up
  * if there's an error.
  */
-static __modinit int add_sysfs_param(struct module_kobject *mk,
-				     const struct kernel_param *kp,
-				     const char *name)
+static __init_or_module int add_sysfs_param(struct module_kobject *mk,
+					    const struct kernel_param *kp,
+					    const char *name)
 {
 	struct module_param_attrs *new_mp;
 	struct attribute **new_attrs;
@@ -749,16 +743,8 @@ void module_param_sysfs_remove(struct module *mod)
 }
 #endif
 
-void destroy_params(const struct kernel_param *params, unsigned num)
-{
-	unsigned int i;
-
-	for (i = 0; i < num; i++)
-		if (params[i].ops->free)
-			params[i].ops->free(params[i].arg);
-}
-
-static struct module_kobject * __init locate_module_kobject(const char *name)
+struct module_kobject * __init_or_module
+lookup_or_create_module_kobject(const char *name)
 {
 	struct module_kobject *mk;
 	struct kobject *kobj;
@@ -800,7 +786,7 @@ static void __init kernel_add_sysfs_param(const char *name,
 	struct module_kobject *mk;
 	int err;
 
-	mk = locate_module_kobject(name);
+	mk = lookup_or_create_module_kobject(name);
 	if (!mk)
 		return;
 
@@ -871,7 +857,7 @@ static void __init version_sysfs_builtin(void)
 	int err;
 
 	for (vattr = __start___modver; vattr < __stop___modver; vattr++) {
-		mk = locate_module_kobject(vattr->module_name);
+		mk = lookup_or_create_module_kobject(vattr->module_name);
 		if (mk) {
 			err = sysfs_create_file(&mk->kobj, &vattr->mattr.attr);
 			WARN_ON_ONCE(err);
@@ -976,3 +962,21 @@ static int __init param_sysfs_init(void)
 subsys_initcall(param_sysfs_init);
 
 #endif /* CONFIG_SYSFS */
+
+#ifdef CONFIG_MODULES
+
+/*
+ * module_destroy_params - free all parameters for one module
+ * @params: module parameters (array)
+ * @num: number of module parameters
+ */
+void module_destroy_params(const struct kernel_param *params, unsigned int num)
+{
+	unsigned int i;
+
+	for (i = 0; i < num; i++)
+		if (params[i].ops->free)
+			params[i].ops->free(params[i].arg);
+}
+
+#endif /* CONFIG_MODULES */
diff --git a/kernel/taskstats.c b/kernel/taskstats.c
index 2b4898b4752eda..e1cc9386e228a2 100644
--- a/kernel/taskstats.c
+++ b/kernel/taskstats.c
@@ -632,6 +632,7 @@ void taskstats_exit(struct task_struct *tsk, int group_dead)
 		goto err;
 
 	memcpy(stats, tsk->signal->stats, sizeof(*stats));
+	stats->version = TASKSTATS_VERSION;
 
 send:
 	send_cpu_listeners(rep_skb, listeners);
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index d17ebe6a4ebfdb..e44115db0efe35 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -4346,6 +4346,7 @@ static void rb_iter_reset(struct ring_buffer_iter *iter)
 	iter->head_page = cpu_buffer->reader_page;
 	iter->head = cpu_buffer->reader_page->read;
 	iter->next_event = iter->head;
+	iter->missed_events = 0;
 
 	iter->cache_reader_page = iter->head_page;
 	iter->cache_read = cpu_buffer->read;
@@ -4955,10 +4956,7 @@ ring_buffer_peek(struct trace_buffer *buffer, int cpu, u64 *ts,
  */
 bool ring_buffer_iter_dropped(struct ring_buffer_iter *iter)
 {
-	bool ret = iter->missed_events != 0;
-
-	iter->missed_events = 0;
-	return ret;
+	return iter->missed_events != 0;
 }
 EXPORT_SYMBOL_GPL(ring_buffer_iter_dropped);
 
@@ -5175,7 +5173,7 @@ void ring_buffer_iter_advance(struct ring_buffer_iter *iter)
 	unsigned long flags;
 
 	raw_spin_lock_irqsave(&cpu_buffer->reader_lock, flags);
-
+	iter->missed_events = 0;
 	rb_advance_iter(iter);
 
 	raw_spin_unlock_irqrestore(&cpu_buffer->reader_lock, flags);
diff --git a/kernel/trace/trace_branch.c b/kernel/trace/trace_branch.c
index e47fdb4c92fbcb..30f72e0ecb5d4a 100644
--- a/kernel/trace/trace_branch.c
+++ b/kernel/trace/trace_branch.c
@@ -379,10 +379,10 @@ __init static int init_annotated_branch_stats(void)
 	int ret;
 
 	ret = register_stat_tracer(&annotated_branch_stats);
-	if (!ret) {
+	if (ret) {
 		printk(KERN_WARNING "Warning: could not register "
 				    "annotated branches stats\n");
-		return 1;
+		return ret;
 	}
 	return 0;
 }
@@ -444,10 +444,10 @@ __init static int all_annotated_branch_stats(void)
 	int ret;
 
 	ret = register_stat_tracer(&all_branch_stats);
-	if (!ret) {
+	if (ret) {
 		printk(KERN_WARNING "Warning: could not register "
 				    "all branches stats\n");
-		return 1;
+		return ret;
 	}
 	return 0;
 }
diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c
index 8795913425416c..5ecc78916431d4 100644
--- a/kernel/trace/trace_events_hist.c
+++ b/kernel/trace/trace_events_hist.c
@@ -1141,13 +1141,13 @@ static const char *hist_field_name(struct hist_field *field,
 		 field->flags & HIST_FIELD_FL_VAR_REF) {
 		if (field->system) {
 			static char full_name[MAX_FILTER_STR_VAL];
+			int len;
 
-			strcat(full_name, field->system);
-			strcat(full_name, ".");
-			strcat(full_name, field->event_name);
-			strcat(full_name, ".");
-			strcat(full_name, field->name);
-			field_name = full_name;
+			len = snprintf(full_name, sizeof(full_name), "%s.%s.%s",
+				       field->system, field->event_name,
+				       field->name);
+			if (len < sizeof(full_name))
+				field_name = full_name;
 		} else
 			field_name = field->name;
 	} else if (field->flags & HIST_FIELD_FL_TIMESTAMP)
diff --git a/kernel/trace/trace_probe.c b/kernel/trace/trace_probe.c
index 38fa6cc118dafa..47044927a72696 100644
--- a/kernel/trace/trace_probe.c
+++ b/kernel/trace/trace_probe.c
@@ -362,7 +362,7 @@ static int __parse_imm_string(char *str, char **pbuf, int offs)
 {
 	size_t len = strlen(str);
 
-	if (str[len - 1] != '"') {
+	if (!len || str[len - 1] != '"') {
 		trace_probe_log_err(offs + len, IMMSTR_NO_CLOSE);
 		return -EINVAL;
 	}
diff --git a/kernel/trace/tracing_map.c b/kernel/trace/tracing_map.c
index ffca08df97965b..b7a35f2832c4bc 100644
--- a/kernel/trace/tracing_map.c
+++ b/kernel/trace/tracing_map.c
@@ -386,13 +386,11 @@ static void tracing_map_elt_init_fields(struct tracing_map_elt *elt)
 	}
 }
 
-static void tracing_map_elt_free(struct tracing_map_elt *elt)
+static void __tracing_map_elt_free(struct tracing_map_elt *elt)
 {
 	if (!elt)
 		return;
 
-	if (elt->map->ops && elt->map->ops->elt_free)
-		elt->map->ops->elt_free(elt);
 	kfree(elt->fields);
 	kfree(elt->vars);
 	kfree(elt->var_set);
@@ -400,6 +398,17 @@ static void tracing_map_elt_free(struct tracing_map_elt *elt)
 	kfree(elt);
 }
 
+static void tracing_map_elt_free(struct tracing_map_elt *elt)
+{
+	if (!elt)
+		return;
+
+	/* Only objects initialized with alloc_elt() should be passed to free_elt().*/
+	if (elt->map->ops && elt->map->ops->elt_free)
+		elt->map->ops->elt_free(elt);
+	__tracing_map_elt_free(elt);
+}
+
 static struct tracing_map_elt *tracing_map_elt_alloc(struct tracing_map *map)
 {
 	struct tracing_map_elt *elt;
@@ -444,7 +453,7 @@ static struct tracing_map_elt *tracing_map_elt_alloc(struct tracing_map *map)
 	}
 	return elt;
  free:
-	tracing_map_elt_free(elt);
+	__tracing_map_elt_free(elt);
 
 	return ERR_PTR(err);
 }
diff --git a/lib/kunit/Kconfig b/lib/kunit/Kconfig
index 0b5dfb001bacc1..b27ef9f1af1d3e 100644
--- a/lib/kunit/Kconfig
+++ b/lib/kunit/Kconfig
@@ -16,8 +16,9 @@ menuconfig KUNIT
 if KUNIT
 
 config KUNIT_DEBUGFS
-	bool "KUnit - Enable /sys/kernel/debug/kunit debugfs representation" if !KUNIT_ALL_TESTS
-	default KUNIT_ALL_TESTS
+	bool "KUnit - Enable /sys/kernel/debug/kunit debugfs representation"
+	depends on DEBUG_FS
+	default y
 	help
 	  Enable debugfs representation for kunit.  Currently this consists
 	  of /sys/kernel/debug/kunit/<test_suite>/results files for each
diff --git a/lib/ts_kmp.c b/lib/ts_kmp.c
index c77a3d537f2436..ed13eb0fcd724a 100644
--- a/lib/ts_kmp.c
+++ b/lib/ts_kmp.c
@@ -94,8 +94,22 @@ static struct ts_config *kmp_init(const void *pattern, unsigned int len,
 	struct ts_config *conf;
 	struct ts_kmp *kmp;
 	int i;
-	unsigned int prefix_tbl_len = len * sizeof(unsigned int);
-	size_t priv_size = sizeof(*kmp) + len + prefix_tbl_len;
+	unsigned int prefix_tbl_len;
+	size_t priv_size;
+
+	/* Zero-length patterns would make kmp_find() read beyond kmp->pattern. */
+	if (unlikely(!len))
+		return ERR_PTR(-EINVAL);
+
+	/*
+	 * kmp->pattern is stored immediately after the prefix_tbl[] table.
+	 * Reject lengths that would wrap while sizing either region.
+	 */
+	if (unlikely(check_mul_overflow(len, sizeof(*kmp->prefix_tbl),
+					&prefix_tbl_len) ||
+		     check_add_overflow(sizeof(*kmp), (size_t)len, &priv_size) ||
+		     check_add_overflow(priv_size, prefix_tbl_len, &priv_size)))
+		return ERR_PTR(-EINVAL);
 
 	conf = alloc_ts_config(priv_size, gfp_mask);
 	if (IS_ERR(conf))
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index afdd1327684552..0a00c9efafd845 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -404,12 +404,13 @@ static void cgwb_release_workfn(struct work_struct *work)
 	wb_shutdown(wb);
 
 	css_put(wb->memcg_css);
-	css_put(wb->blkcg_css);
-	mutex_unlock(&wb->bdi->cgwb_release_mutex);
 
 	/* triggers blkg destruction if no online users left */
 	blkcg_unpin_online(blkcg);
 
+	css_put(wb->blkcg_css);
+	mutex_unlock(&wb->bdi->cgwb_release_mutex);
+
 	fprop_local_destroy_percpu(&wb->memcg_completions);
 
 	spin_lock_irq(&cgwb_lock);
diff --git a/mm/kasan/init.c b/mm/kasan/init.c
index 2c17bc77382fb3..dee99727b5beaa 100644
--- a/mm/kasan/init.c
+++ b/mm/kasan/init.c
@@ -290,7 +290,7 @@ static void kasan_free_pte(pte_t *pte_start, pmd_t *pmd)
 			return;
 	}
 
-	pte_free_kernel(&init_mm, (pte_t *)page_to_virt(pmd_page(*pmd)));
+	pte_free_kernel(&init_mm, pte_start);
 	pmd_clear(pmd);
 }
 
@@ -305,7 +305,7 @@ static void kasan_free_pmd(pmd_t *pmd_start, pud_t *pud)
 			return;
 	}
 
-	pmd_free(&init_mm, (pmd_t *)page_to_virt(pud_page(*pud)));
+	pmd_free(&init_mm, pmd_start);
 	pud_clear(pud);
 }
 
@@ -320,7 +320,7 @@ static void kasan_free_pud(pud_t *pud_start, p4d_t *p4d)
 			return;
 	}
 
-	pud_free(&init_mm, (pud_t *)page_to_virt(p4d_page(*p4d)));
+	pud_free(&init_mm, pud_start);
 	p4d_clear(p4d);
 }
 
@@ -335,7 +335,7 @@ static void kasan_free_p4d(p4d_t *p4d_start, pgd_t *pgd)
 			return;
 	}
 
-	p4d_free(&init_mm, (p4d_t *)page_to_virt(pgd_page(*pgd)));
+	p4d_free(&init_mm, p4d_start);
 	pgd_clear(pgd);
 }
 
diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
index 587a9053b4d422..58c18e22603d12 100644
--- a/net/batman-adv/bat_iv_ogm.c
+++ b/net/batman-adv/bat_iv_ogm.c
@@ -173,19 +173,12 @@ free_orig_node_hash:
 static struct batadv_neigh_node *
 batadv_iv_ogm_neigh_new(struct batadv_hard_iface *hard_iface,
 			const u8 *neigh_addr,
-			struct batadv_orig_node *orig_node,
-			struct batadv_orig_node *orig_neigh)
+			struct batadv_orig_node *orig_node)
 {
 	struct batadv_neigh_node *neigh_node;
 
 	neigh_node = batadv_neigh_node_get_or_create(orig_node,
 						     hard_iface, neigh_addr);
-	if (!neigh_node)
-		goto out;
-
-	neigh_node->orig_node = orig_neigh;
-
-out:
 	return neigh_node;
 }
 
@@ -335,7 +328,7 @@ static void batadv_iv_ogm_send_to_if(struct batadv_forw_packet *forw_packet,
 	struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);
 	const char *fwd_str;
 	u8 packet_num;
-	s16 buff_pos;
+	int buff_pos;
 	struct batadv_ogm_packet *batadv_ogm_packet;
 	struct sk_buff *skb;
 	u8 *packet_pos;
@@ -901,6 +894,31 @@ static u8 batadv_iv_orig_ifinfo_sum(struct batadv_orig_node *orig_node,
 	return sum;
 }
 
+/**
+ * batadv_iv_ogm_neigh_ifinfo_sum() - Get bcast_own sum for a last-hop neighbor
+ * @bat_priv: the bat priv with all the mesh interface information
+ * @neigh_node: last-hop neighbor of an originator
+ *
+ * Return: Number of replied (rebroadcasted) OGMs for the originator currently
+ * announced by the neighbor. Returns 0 if the neighbor's originator entry is
+ * not available anymore.
+ */
+static u8 batadv_iv_ogm_neigh_ifinfo_sum(struct batadv_priv *bat_priv,
+					 const struct batadv_neigh_node *neigh_node)
+{
+	struct batadv_orig_node *orig_neigh;
+	u8 sum;
+
+	orig_neigh = batadv_orig_hash_find(bat_priv, neigh_node->addr);
+	if (!orig_neigh)
+		return 0;
+
+	sum = batadv_iv_orig_ifinfo_sum(orig_neigh, neigh_node->if_incoming);
+	batadv_orig_node_put(orig_neigh);
+
+	return sum;
+}
+
 /**
  * batadv_iv_ogm_orig_update() - use OGM to update corresponding data in an
  *  originator
@@ -970,17 +988,9 @@ batadv_iv_ogm_orig_update(struct batadv_priv *bat_priv,
 	}
 
 	if (!neigh_node) {
-		struct batadv_orig_node *orig_tmp;
-
-		orig_tmp = batadv_iv_ogm_orig_get(bat_priv, ethhdr->h_source);
-		if (!orig_tmp)
-			goto unlock;
-
 		neigh_node = batadv_iv_ogm_neigh_new(if_incoming,
 						     ethhdr->h_source,
-						     orig_node, orig_tmp);
-
-		batadv_orig_node_put(orig_tmp);
+						     orig_node);
 		if (!neigh_node)
 			goto unlock;
 	} else {
@@ -1032,10 +1042,9 @@ batadv_iv_ogm_orig_update(struct batadv_priv *bat_priv,
 	 */
 	if (router_ifinfo &&
 	    neigh_ifinfo->bat_iv.tq_avg == router_ifinfo->bat_iv.tq_avg) {
-		sum_orig = batadv_iv_orig_ifinfo_sum(router->orig_node,
-						     router->if_incoming);
-		sum_neigh = batadv_iv_orig_ifinfo_sum(neigh_node->orig_node,
-						      neigh_node->if_incoming);
+		sum_orig = batadv_iv_ogm_neigh_ifinfo_sum(bat_priv, router);
+		sum_neigh = batadv_iv_ogm_neigh_ifinfo_sum(bat_priv,
+							   neigh_node);
 		if (sum_orig >= sum_neigh)
 			goto out;
 	}
@@ -1101,7 +1110,6 @@ static bool batadv_iv_ogm_calc_tq(struct batadv_orig_node *orig_node,
 	if (!neigh_node)
 		neigh_node = batadv_iv_ogm_neigh_new(if_incoming,
 						     orig_neigh_node->orig,
-						     orig_neigh_node,
 						     orig_neigh_node);
 
 	if (!neigh_node)
@@ -1297,6 +1305,32 @@ out:
 	return ret;
 }
 
+/**
+ * batadv_orig_to_direct_router() - get direct next hop neighbor to an orig address
+ * @bat_priv: the bat priv with all the mesh interface information
+ * @orig_addr: the originator MAC address to search the best next hop router for
+ * @if_outgoing: the interface where the OGM should be sent to
+ *
+ * Return: A neighbor node which is the best router towards the given originator
+ * address. Bonding candidates are ignored.
+ */
+static struct batadv_neigh_node *
+batadv_orig_to_direct_router(struct batadv_priv *bat_priv, u8 *orig_addr,
+			     struct batadv_hard_iface *if_outgoing)
+{
+	struct batadv_neigh_node *neigh_node;
+	struct batadv_orig_node *orig_node;
+
+	orig_node = batadv_orig_hash_find(bat_priv, orig_addr);
+	if (!orig_node)
+		return NULL;
+
+	neigh_node = batadv_orig_router_get(orig_node, if_outgoing);
+	batadv_orig_node_put(orig_node);
+
+	return neigh_node;
+}
+
 /**
  * batadv_iv_ogm_process_per_outif() - process a batman iv OGM for an outgoing
  *  interface
@@ -1367,8 +1401,9 @@ batadv_iv_ogm_process_per_outif(const struct sk_buff *skb, int ogm_offset,
 
 	router = batadv_orig_router_get(orig_node, if_outgoing);
 	if (router) {
-		router_router = batadv_orig_router_get(router->orig_node,
-						       if_outgoing);
+		router_router = batadv_orig_to_direct_router(bat_priv,
+							     router->addr,
+							     if_outgoing);
 		router_ifinfo = batadv_neigh_ifinfo_get(router, if_outgoing);
 	}
 
diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c
index 17687848daec56..f768a4e0bc0f49 100644
--- a/net/batman-adv/bridge_loop_avoidance.c
+++ b/net/batman-adv/bridge_loop_avoidance.c
@@ -317,8 +317,8 @@ batadv_bla_del_backbone_claims(struct batadv_bla_backbone_gw *backbone_gw)
 			if (claim->backbone_gw != backbone_gw)
 				continue;
 
-			batadv_claim_put(claim);
 			hlist_del_rcu(&claim->hash_entry);
+			batadv_claim_put(claim);
 		}
 		spin_unlock_bh(list_lock);
 	}
@@ -722,6 +722,7 @@ static void batadv_bla_add_claim(struct batadv_priv *bat_priv,
 
 		if (unlikely(hash_added != 0)) {
 			/* only local changes happened. */
+			batadv_backbone_gw_put(backbone_gw);
 			kfree(claim);
 			return;
 		}
@@ -1222,6 +1223,7 @@ static void batadv_bla_purge_backbone_gw(struct batadv_priv *bat_priv, int now)
 	struct hlist_head *head;
 	struct batadv_hashtable *hash;
 	spinlock_t *list_lock;	/* protects write access to the hash lists */
+	bool purged;
 	int i;
 
 	hash = bat_priv->bla.backbone_hash;
@@ -1232,30 +1234,45 @@ static void batadv_bla_purge_backbone_gw(struct batadv_priv *bat_priv, int now)
 		head = &hash->table[i];
 		list_lock = &hash->list_locks[i];
 
-		spin_lock_bh(list_lock);
-		hlist_for_each_entry_safe(backbone_gw, node_tmp,
-					  head, hash_entry) {
-			if (now)
-				goto purge_now;
-			if (!batadv_has_timed_out(backbone_gw->lasttime,
-						  BATADV_BLA_BACKBONE_TIMEOUT))
-				continue;
+		do {
+			purged = false;
+
+			spin_lock_bh(list_lock);
+			hlist_for_each_entry_safe(backbone_gw, node_tmp,
+						  head, hash_entry) {
+				if (now)
+					goto purge_now;
+				if (!batadv_has_timed_out(backbone_gw->lasttime,
+							  BATADV_BLA_BACKBONE_TIMEOUT))
+					continue;
 
-			batadv_dbg(BATADV_DBG_BLA, backbone_gw->bat_priv,
-				   "%s(): backbone gw %pM timed out\n",
-				   __func__, backbone_gw->orig);
+				batadv_dbg(BATADV_DBG_BLA, backbone_gw->bat_priv,
+					   "%s(): backbone gw %pM timed out\n",
+					   __func__, backbone_gw->orig);
 
 purge_now:
-			/* don't wait for the pending request anymore */
-			if (atomic_read(&backbone_gw->request_sent))
-				atomic_dec(&bat_priv->bla.num_requests);
+				purged = true;
 
-			batadv_bla_del_backbone_claims(backbone_gw);
+				/* don't wait for the pending request anymore */
+				if (atomic_read(&backbone_gw->request_sent))
+					atomic_dec(&bat_priv->bla.num_requests);
 
-			hlist_del_rcu(&backbone_gw->hash_entry);
-			batadv_backbone_gw_put(backbone_gw);
-		}
-		spin_unlock_bh(list_lock);
+				batadv_bla_del_backbone_claims(backbone_gw);
+
+				hlist_del_rcu(&backbone_gw->hash_entry);
+				break;
+			}
+			spin_unlock_bh(list_lock);
+
+			if (purged) {
+				/* reference for pending report_work */
+				if (cancel_work_sync(&backbone_gw->report_work))
+					batadv_backbone_gw_put(backbone_gw);
+
+				/* reference for hash_entry */
+				batadv_backbone_gw_put(backbone_gw);
+			}
+		} while (purged);
 	}
 }
 
@@ -1287,6 +1304,13 @@ static void batadv_bla_purge_claims(struct batadv_priv *bat_priv,
 
 		rcu_read_lock();
 		hlist_for_each_entry_rcu(claim, head, hash_entry) {
+			/* only purge claims not currently in the process of being released.
+			 * Such claims could otherwise have a NULL-ptr backbone_gw set because
+			 * they already went through batadv_claim_release()
+			 */
+			if (!kref_get_unless_zero(&claim->refcount))
+				continue;
+
 			backbone_gw = batadv_bla_claim_get_backbone_gw(claim);
 			if (now)
 				goto purge_now;
@@ -1312,6 +1336,7 @@ purge_now:
 					      claim->addr, claim->vid);
 skip:
 			batadv_backbone_gw_put(backbone_gw);
+			batadv_claim_put(claim);
 		}
 		rcu_read_unlock();
 	}
@@ -2131,6 +2156,7 @@ batadv_bla_claim_dump_entry(struct sk_buff *msg, u32 portid,
 			    struct batadv_bla_claim *claim)
 {
 	u8 *primary_addr = primary_if->net_dev->dev_addr;
+	struct batadv_bla_backbone_gw *backbone_gw;
 	u16 backbone_crc;
 	bool is_own;
 	void *hdr;
@@ -2146,32 +2172,35 @@ batadv_bla_claim_dump_entry(struct sk_buff *msg, u32 portid,
 
 	genl_dump_check_consistent(cb, hdr);
 
-	is_own = batadv_compare_eth(claim->backbone_gw->orig,
-				    primary_addr);
+	backbone_gw = batadv_bla_claim_get_backbone_gw(claim);
 
-	spin_lock_bh(&claim->backbone_gw->crc_lock);
-	backbone_crc = claim->backbone_gw->crc;
-	spin_unlock_bh(&claim->backbone_gw->crc_lock);
+	is_own = batadv_compare_eth(backbone_gw->orig, primary_addr);
+
+	spin_lock_bh(&backbone_gw->crc_lock);
+	backbone_crc = backbone_gw->crc;
+	spin_unlock_bh(&backbone_gw->crc_lock);
 
 	if (is_own)
 		if (nla_put_flag(msg, BATADV_ATTR_BLA_OWN)) {
 			genlmsg_cancel(msg, hdr);
-			goto out;
+			goto put_backbone_gw;
 		}
 
 	if (nla_put(msg, BATADV_ATTR_BLA_ADDRESS, ETH_ALEN, claim->addr) ||
 	    nla_put_u16(msg, BATADV_ATTR_BLA_VID, claim->vid) ||
 	    nla_put(msg, BATADV_ATTR_BLA_BACKBONE, ETH_ALEN,
-		    claim->backbone_gw->orig) ||
+		    backbone_gw->orig) ||
 	    nla_put_u16(msg, BATADV_ATTR_BLA_CRC,
 			backbone_crc)) {
 		genlmsg_cancel(msg, hdr);
-		goto out;
+		goto put_backbone_gw;
 	}
 
 	genlmsg_end(msg, hdr);
 	ret = 0;
 
+put_backbone_gw:
+	batadv_backbone_gw_put(backbone_gw);
 out:
 	return ret;
 }
@@ -2467,6 +2496,7 @@ out:
 bool batadv_bla_check_claim(struct batadv_priv *bat_priv,
 			    u8 *addr, unsigned short vid)
 {
+	struct batadv_bla_backbone_gw *backbone_gw;
 	struct batadv_bla_claim search_claim;
 	struct batadv_bla_claim *claim = NULL;
 	struct batadv_hard_iface *primary_if = NULL;
@@ -2489,9 +2519,13 @@ bool batadv_bla_check_claim(struct batadv_priv *bat_priv,
 	 * return false.
 	 */
 	if (claim) {
-		if (!batadv_compare_eth(claim->backbone_gw->orig,
+		backbone_gw = batadv_bla_claim_get_backbone_gw(claim);
+
+		if (!batadv_compare_eth(backbone_gw->orig,
 					primary_if->net_dev->dev_addr))
 			ret = false;
+
+		batadv_backbone_gw_put(backbone_gw);
 		batadv_claim_put(claim);
 	}
 
diff --git a/net/batman-adv/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c
index 42dcdf5fd76a1c..9f561ea95f730d 100644
--- a/net/batman-adv/distributed-arp-table.c
+++ b/net/batman-adv/distributed-arp-table.c
@@ -698,6 +698,9 @@ static bool batadv_dat_forward_data(struct batadv_priv *bat_priv,
 			goto free_orig;
 
 		tmp_skb = pskb_copy_for_clone(skb, GFP_ATOMIC);
+		if (!tmp_skb)
+			goto free_neigh;
+
 		if (!batadv_send_skb_prepare_unicast_4addr(bat_priv, tmp_skb,
 							   cand[i].orig_node,
 							   packet_subtype)) {
diff --git a/net/batman-adv/fragmentation.c b/net/batman-adv/fragmentation.c
index c120c7c6d25fc1..4c193194034155 100644
--- a/net/batman-adv/fragmentation.c
+++ b/net/batman-adv/fragmentation.c
@@ -17,6 +17,7 @@
 #include <linux/lockdep.h>
 #include <linux/minmax.h>
 #include <linux/netdevice.h>
+#include <linux/overflow.h>
 #include <linux/skbuff.h>
 #include <linux/slab.h>
 #include <linux/spinlock.h>
@@ -81,9 +82,9 @@ void batadv_frag_purge_orig(struct batadv_orig_node *orig_node,
  *
  * Return: the maximum size of payload that can be fragmented.
  */
-static int batadv_frag_size_limit(void)
+static size_t batadv_frag_size_limit(void)
 {
-	int limit = BATADV_FRAG_MAX_FRAG_SIZE;
+	size_t limit = BATADV_FRAG_MAX_FRAG_SIZE;
 
 	limit -= sizeof(struct batadv_frag_packet);
 	limit *= BATADV_FRAG_MAX_FRAGMENTS;
@@ -144,7 +145,9 @@ static bool batadv_frag_insert_packet(struct batadv_orig_node *orig_node,
 	struct batadv_frag_packet *frag_packet;
 	u8 bucket;
 	u16 seqno, hdr_size = sizeof(struct batadv_frag_packet);
+	bool overflow = false;
 	bool ret = false;
+	size_t data_len;
 
 	/* Linearize packet to avoid linearizing 16 packets in a row when doing
 	 * the later merge. Non-linear merge should be added to remove this
@@ -154,6 +157,7 @@ static bool batadv_frag_insert_packet(struct batadv_orig_node *orig_node,
 		goto err;
 
 	frag_packet = (struct batadv_frag_packet *)skb->data;
+	data_len = skb->len - hdr_size;
 	seqno = ntohs(frag_packet->seqno);
 	bucket = seqno % BATADV_FRAG_BUFFER_COUNT;
 
@@ -172,7 +176,7 @@ static bool batadv_frag_insert_packet(struct batadv_orig_node *orig_node,
 	spin_lock_bh(&chain->lock);
 	if (batadv_frag_init_chain(chain, seqno)) {
 		hlist_add_head(&frag_entry_new->list, &chain->fragment_list);
-		chain->size = skb->len - hdr_size;
+		chain->size = data_len;
 		chain->timestamp = jiffies;
 		chain->total_size = ntohs(frag_packet->total_size);
 		ret = true;
@@ -189,7 +193,11 @@ static bool batadv_frag_insert_packet(struct batadv_orig_node *orig_node,
 		if (frag_entry_curr->no < frag_entry_new->no) {
 			hlist_add_before(&frag_entry_new->list,
 					 &frag_entry_curr->list);
-			chain->size += skb->len - hdr_size;
+
+			if (check_add_overflow(chain->size, data_len,
+					       &chain->size))
+				overflow = true;
+
 			chain->timestamp = jiffies;
 			ret = true;
 			goto out;
@@ -202,13 +210,16 @@ static bool batadv_frag_insert_packet(struct batadv_orig_node *orig_node,
 	/* Reached the end of the list, so insert after 'frag_entry_last'. */
 	if (likely(frag_entry_last)) {
 		hlist_add_behind(&frag_entry_new->list, &frag_entry_last->list);
-		chain->size += skb->len - hdr_size;
+
+		if (check_add_overflow(chain->size, data_len, &chain->size))
+			overflow = true;
+
 		chain->timestamp = jiffies;
 		ret = true;
 	}
 
 out:
-	if (chain->size > batadv_frag_size_limit() ||
+	if (overflow || chain->size > batadv_frag_size_limit() ||
 	    chain->total_size != ntohs(frag_packet->total_size) ||
 	    chain->total_size > batadv_frag_size_limit()) {
 		/* Clear chain if total size of either the list or the packet
@@ -294,6 +305,31 @@ free:
 	return skb_out;
 }
 
+/**
+ * batadv_skb_is_frag() - check if newly merged skb is gain a unicast packet
+ * @skb: newly merged skb
+ *
+ * Return: if newly skb is of type BATADV_UNICAST_FRAG
+ */
+static bool batadv_skb_is_frag(struct sk_buff *skb)
+{
+	struct batadv_ogm_packet *batadv_ogm_packet;
+
+	/* packet should hold at least type and version */
+	if (unlikely(!pskb_may_pull(skb, 2)))
+		return false;
+
+	batadv_ogm_packet = (struct batadv_ogm_packet *)skb->data;
+
+	if (batadv_ogm_packet->version != BATADV_COMPAT_VERSION)
+		return false;
+
+	if (batadv_ogm_packet->packet_type != BATADV_UNICAST_FRAG)
+		return false;
+
+	return true;
+}
+
 /**
  * batadv_frag_skb_buffer() - buffer fragment for later merge
  * @skb: skb to buffer
@@ -327,6 +363,16 @@ bool batadv_frag_skb_buffer(struct sk_buff **skb,
 	if (!skb_out)
 		goto out_err;
 
+	/* fragment in fragment is not allowed. otherwise it is possible
+	 * to exhaust the stack when receiving a matryoshka-style
+	 * "fragments in a fragment packet"
+	 */
+	if (batadv_skb_is_frag(skb_out)) {
+		kfree_skb(skb_out);
+		skb_out = NULL;
+		goto out_err;
+	}
+
 out:
 	ret = true;
 out_err:
diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c
index b7466136e29243..b960bd6558e016 100644
--- a/net/batman-adv/gateway_client.c
+++ b/net/batman-adv/gateway_client.c
@@ -478,10 +478,14 @@ void batadv_gw_node_delete(struct batadv_priv *bat_priv,
  */
 void batadv_gw_node_free(struct batadv_priv *bat_priv)
 {
+	struct batadv_gw_node *curr_gw;
 	struct batadv_gw_node *gw_node;
 	struct hlist_node *node_tmp;
 
 	spin_lock_bh(&bat_priv->gw.list_lock);
+	curr_gw = rcu_replace_pointer(bat_priv->gw.curr_gw, NULL, true);
+	batadv_gw_node_put(curr_gw);
+
 	hlist_for_each_entry_safe(gw_node, node_tmp,
 				  &bat_priv->gw.gateway_list, list) {
 		hlist_del_init_rcu(&gw_node->list);
diff --git a/net/batman-adv/originator.c b/net/batman-adv/originator.c
index 49ce22278fcbcf..772476834d9f97 100644
--- a/net/batman-adv/originator.c
+++ b/net/batman-adv/originator.c
@@ -823,8 +823,6 @@ static void batadv_orig_node_free_rcu(struct rcu_head *rcu)
 
 	orig_node = container_of(rcu, struct batadv_orig_node, rcu);
 
-	batadv_mcast_purge_orig(orig_node);
-
 	batadv_frag_purge_orig(orig_node, NULL);
 
 	kfree(orig_node->tt_buff);
@@ -878,6 +876,8 @@ void batadv_orig_node_release(struct kref *ref)
 	/* Free nc_nodes */
 	batadv_nc_purge_orig(orig_node->bat_priv, orig_node, NULL);
 
+	batadv_mcast_purge_orig(orig_node);
+
 	call_rcu(&orig_node->rcu, batadv_orig_node_free_rcu);
 }
 
diff --git a/net/batman-adv/tp_meter.c b/net/batman-adv/tp_meter.c
index 56b9fe97b3b44c..464fca0ca8ac28 100644
--- a/net/batman-adv/tp_meter.c
+++ b/net/batman-adv/tp_meter.c
@@ -435,7 +435,7 @@ static void batadv_tp_sender_end(struct batadv_priv *bat_priv,
 static void batadv_tp_sender_shutdown(struct batadv_tp_vars *tp_vars,
 				      enum batadv_tp_meter_reason reason)
 {
-	if (!atomic_dec_and_test(&tp_vars->sending))
+	if (atomic_xchg(&tp_vars->sending, 0) != 1)
 		return;
 
 	tp_vars->reason = reason;
@@ -647,6 +647,9 @@ static void batadv_tp_recv_ack(struct batadv_priv *bat_priv,
 	if (unlikely(!tp_vars))
 		return;
 
+	if (unlikely(tp_vars->role != BATADV_TP_SENDER))
+		goto out;
+
 	if (unlikely(atomic_read(&tp_vars->sending) == 0))
 		goto out;
 
@@ -869,7 +872,7 @@ static int batadv_tp_send(void *arg)
 				   "Meter: %s() cannot send packets (%d)\n",
 				   __func__, err);
 			/* ensure nobody else tries to stop the thread now */
-			if (atomic_dec_and_test(&tp_vars->sending))
+			if (atomic_xchg(&tp_vars->sending, 0) == 1)
 				tp_vars->reason = err;
 			break;
 		}
@@ -947,6 +950,13 @@ void batadv_tp_start(struct batadv_priv *bat_priv, const u8 *dst,
 
 	/* look for an already existing test towards this node */
 	spin_lock_bh(&bat_priv->tp_list_lock);
+	if (atomic_read(&bat_priv->mesh_state) != BATADV_MESH_ACTIVE) {
+		spin_unlock_bh(&bat_priv->tp_list_lock);
+		batadv_tp_batctl_error_notify(BATADV_TP_REASON_DST_UNREACHABLE,
+					      dst, bat_priv, session_cookie);
+		return;
+	}
+
 	tp_vars = batadv_tp_list_find(bat_priv, dst);
 	if (tp_vars) {
 		spin_unlock_bh(&bat_priv->tp_list_lock);
@@ -1073,12 +1083,16 @@ void batadv_tp_stop(struct batadv_priv *bat_priv, const u8 *dst,
 	if (!tp_vars) {
 		batadv_dbg(BATADV_DBG_TP_METER, bat_priv,
 			   "Meter: trying to interrupt an already over connection\n");
-		goto out;
+		goto out_put_orig_node;
 	}
 
+	if (unlikely(tp_vars->role != BATADV_TP_SENDER))
+		goto out_put_tp_vars;
+
 	batadv_tp_sender_shutdown(tp_vars, return_value);
+out_put_tp_vars:
 	batadv_tp_vars_put(tp_vars);
-out:
+out_put_orig_node:
 	batadv_orig_node_put(orig_node);
 }
 
@@ -1329,9 +1343,12 @@ static struct batadv_tp_vars *
 batadv_tp_init_recv(struct batadv_priv *bat_priv,
 		    const struct batadv_icmp_tp_packet *icmp)
 {
-	struct batadv_tp_vars *tp_vars;
+	struct batadv_tp_vars *tp_vars = NULL;
 
 	spin_lock_bh(&bat_priv->tp_list_lock);
+	if (atomic_read(&bat_priv->mesh_state) != BATADV_MESH_ACTIVE)
+		goto out_unlock;
+
 	tp_vars = batadv_tp_list_find_session(bat_priv, icmp->orig,
 					      icmp->session);
 	if (tp_vars)
@@ -1464,6 +1481,9 @@ void batadv_tp_meter_recv(struct batadv_priv *bat_priv, struct sk_buff *skb)
 {
 	struct batadv_icmp_tp_packet *icmp;
 
+	if (atomic_read(&bat_priv->mesh_state) != BATADV_MESH_ACTIVE)
+		goto out;
+
 	icmp = (struct batadv_icmp_tp_packet *)skb->data;
 
 	switch (icmp->subtype) {
@@ -1478,6 +1498,8 @@ void batadv_tp_meter_recv(struct batadv_priv *bat_priv, struct sk_buff *skb)
 			   "Received unknown TP Metric packet type %u\n",
 			   icmp->subtype);
 	}
+
+out:
 	consume_skb(skb);
 }
 
diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h
index e659623b7a331a..19fd1c9adf4931 100644
--- a/net/batman-adv/types.h
+++ b/net/batman-adv/types.h
@@ -294,7 +294,7 @@ struct batadv_frag_table_entry {
 	u16 seqno;
 
 	/** @size: accumulated size of packets in list */
-	u16 size;
+	size_t size;
 
 	/** @total_size: expected size of the assembled packet */
 	u16 total_size;
@@ -445,7 +445,7 @@ struct batadv_orig_node {
 	 * @tt_buff_len: length of the last tt changeset this node received
 	 *  from the orig node
 	 */
-	s16 tt_buff_len;
+	u16 tt_buff_len;
 
 	/** @tt_buff_lock: lock that protects tt_buff and tt_buff_len */
 	spinlock_t tt_buff_lock;
@@ -993,7 +993,7 @@ struct batadv_priv_tt {
 	 * @last_changeset_len: length of last tt changeset this host has
 	 *  generated
 	 */
-	s16 last_changeset_len;
+	u16 last_changeset_len;
 
 	/**
 	 * @last_changeset_lock: lock protecting last_changeset &
diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c
index aebef5cf12d484..2a55738000aee5 100644
--- a/net/bluetooth/af_bluetooth.c
+++ b/net/bluetooth/af_bluetooth.c
@@ -285,14 +285,11 @@ int bt_sock_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
 	if (flags & MSG_OOB)
 		return -EOPNOTSUPP;
 
-	lock_sock(sk);
-
 	skb = skb_recv_datagram(sk, flags, noblock, &err);
 	if (!skb) {
 		if (sk->sk_shutdown & RCV_SHUTDOWN)
 			err = 0;
 
-		release_sock(sk);
 		return err;
 	}
 
@@ -318,8 +315,6 @@ int bt_sock_recvmsg(struct socket *sock, struct msghdr *msg, size_t len,
 
 	skb_free_datagram(sk, skb);
 
-	release_sock(sk);
-
 	if (flags & MSG_TRUNC)
 		copied = skblen;
 
@@ -542,10 +537,11 @@ int bt_sock_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
 		if (sk->sk_state == BT_LISTEN)
 			return -EINVAL;
 
-		lock_sock(sk);
+		spin_lock(&sk->sk_receive_queue.lock);
 		skb = skb_peek(&sk->sk_receive_queue);
 		amount = skb ? skb->len : 0;
-		release_sock(sk);
+		spin_unlock(&sk->sk_receive_queue.lock);
+
 		err = put_user(amount, (int __user *)arg);
 		break;
 
diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c
index ca46441d0657b8..f3b9c1dee1bb61 100644
--- a/net/bluetooth/bnep/core.c
+++ b/net/bluetooth/bnep/core.c
@@ -638,8 +638,8 @@ int bnep_add_connection(struct bnep_connadd_req *req, struct socket *sock)
 		goto failed;
 	}
 
-	up_write(&bnep_session_sem);
 	strcpy(req->device, dev->name);
+	up_write(&bnep_session_sem);
 	return 0;
 
 failed:
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index cd4d931368a0ca..a587472c5f125b 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -1048,7 +1048,7 @@ static int hci_linkpol_req(struct hci_request *req, unsigned long opt)
 
 /* Get HCI device by index.
  * Device is held on return. */
-struct hci_dev *hci_dev_get(int index)
+static struct hci_dev *__hci_dev_get(int index, int *srcu_index)
 {
 	struct hci_dev *hdev = NULL, *d;
 
@@ -1061,6 +1061,8 @@ struct hci_dev *hci_dev_get(int index)
 	list_for_each_entry(d, &hci_dev_list, list) {
 		if (d->id == index) {
 			hdev = hci_dev_hold(d);
+			if (srcu_index)
+				*srcu_index = srcu_read_lock(&d->srcu);
 			break;
 		}
 	}
@@ -1068,6 +1070,22 @@ struct hci_dev *hci_dev_get(int index)
 	return hdev;
 }
 
+struct hci_dev *hci_dev_get(int index)
+{
+	return __hci_dev_get(index, NULL);
+}
+
+static struct hci_dev *hci_dev_get_srcu(int index, int *srcu_index)
+{
+	return __hci_dev_get(index, srcu_index);
+}
+
+static void hci_dev_put_srcu(struct hci_dev *hdev, int srcu_index)
+{
+	srcu_read_unlock(&hdev->srcu, srcu_index);
+	hci_dev_put(hdev);
+}
+
 /* ---- Inquiry support ---- */
 
 bool hci_discovery_active(struct hci_dev *hdev)
@@ -1918,9 +1936,9 @@ static int hci_dev_do_reset(struct hci_dev *hdev)
 int hci_dev_reset(__u16 dev)
 {
 	struct hci_dev *hdev;
-	int err;
+	int err, srcu_index;
 
-	hdev = hci_dev_get(dev);
+	hdev = hci_dev_get_srcu(dev, &srcu_index);
 	if (!hdev)
 		return -ENODEV;
 
@@ -1942,7 +1960,7 @@ int hci_dev_reset(__u16 dev)
 	err = hci_dev_do_reset(hdev);
 
 done:
-	hci_dev_put(hdev);
+	hci_dev_put_srcu(hdev, srcu_index);
 	return err;
 }
 
@@ -3780,6 +3798,11 @@ struct hci_dev *hci_alloc_dev_priv(int sizeof_priv)
 	if (!hdev)
 		return NULL;
 
+	if (init_srcu_struct(&hdev->srcu)) {
+		kfree(hdev);
+		return NULL;
+	}
+
 	hdev->pkt_type  = (HCI_DM1 | HCI_DH1 | HCI_HV1);
 	hdev->esco_type = (ESCO_HV1);
 	hdev->link_mode = (HCI_LM_ACCEPT);
@@ -4029,6 +4052,9 @@ void hci_unregister_dev(struct hci_dev *hdev)
 	list_del(&hdev->list);
 	write_unlock(&hci_dev_list_lock);
 
+	synchronize_srcu(&hdev->srcu);
+	cleanup_srcu_struct(&hdev->srcu);
+
 	cancel_work_sync(&hdev->rx_work);
 	cancel_work_sync(&hdev->cmd_work);
 	cancel_work_sync(&hdev->tx_work);
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 8d6fc3a0c9a7e7..dc79a362aef7ff 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -2882,8 +2882,6 @@ static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
 
 	memcpy(conn->dev_class, ev->dev_class, 3);
 
-	hci_dev_unlock(hdev);
-
 	if (ev->link_type == ACL_LINK ||
 	    (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) {
 		struct hci_cp_accept_conn_req cp;
@@ -2917,7 +2915,6 @@ static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
 		hci_connect_cfm(conn, 0);
 	}
 
-	return;
 unlock:
 	hci_dev_unlock(hdev);
 }
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 25a6a5fe7caf92..a5db427c13de20 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -6429,7 +6429,13 @@ static inline int l2cap_ecred_reconf_rsp(struct l2cap_conn *conn,
 		if (chan->ident != cmd->ident)
 			continue;
 
+		l2cap_chan_hold(chan);
+		l2cap_chan_lock(chan);
+
 		l2cap_chan_del(chan, ECONNRESET);
+
+		l2cap_chan_unlock(chan);
+		l2cap_chan_put(chan);
 	}
 
 	return 0;
@@ -7676,7 +7682,7 @@ static int l2cap_ecred_data_rcv(struct l2cap_chan *chan, struct sk_buff *skb)
 
 		if (sdu_len > chan->imtu) {
 			BT_ERR("Too big LE L2CAP SDU length: len %u > %u",
-			       skb->len, sdu_len);
+			       sdu_len, chan->imtu);
 			l2cap_send_disconn_req(chan, ECONNRESET);
 			err = -EMSGSIZE;
 			goto failed;
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index faaa5e4525c07e..0fbf063fbd7b78 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -1467,6 +1467,9 @@ static struct l2cap_chan *l2cap_sock_new_connection_cb(struct l2cap_chan *chan)
 {
 	struct sock *sk, *parent = chan->data;
 
+	if (!parent)
+		return NULL;
+
 	lock_sock(parent);
 
 	/* Check for backlog size */
@@ -1608,6 +1611,9 @@ static void l2cap_sock_state_change_cb(struct l2cap_chan *chan, int state,
 {
 	struct sock *sk = chan->data;
 
+	if (!sk)
+		return;
+
 	sk->sk_state = state;
 
 	if (err)
@@ -1709,6 +1715,9 @@ static long l2cap_sock_get_sndtimeo_cb(struct l2cap_chan *chan)
 {
 	struct sock *sk = chan->data;
 
+	if (!sk)
+		return 0;
+
 	return sk->sk_sndtimeo;
 }
 
diff --git a/net/bpf/test_run.c b/net/bpf/test_run.c
index 86c3aca9fa1448..f3ae76919c71f5 100644
--- a/net/bpf/test_run.c
+++ b/net/bpf/test_run.c
@@ -645,19 +645,23 @@ int bpf_prog_test_run_skb(struct bpf_prog *prog, const union bpf_attr *kattr,
 
 	switch (skb->protocol) {
 	case htons(ETH_P_IP):
-		sk->sk_family = AF_INET;
-		if (sizeof(struct iphdr) <= skb_headlen(skb)) {
-			sk->sk_rcv_saddr = ip_hdr(skb)->saddr;
-			sk->sk_daddr = ip_hdr(skb)->daddr;
+		if (skb_headlen(skb) < sizeof(struct iphdr)) {
+			ret = -EINVAL;
+			goto out;
 		}
+		sk->sk_family = AF_INET;
+		sk->sk_rcv_saddr = ip_hdr(skb)->saddr;
+		sk->sk_daddr = ip_hdr(skb)->daddr;
 		break;
 #if IS_ENABLED(CONFIG_IPV6)
 	case htons(ETH_P_IPV6):
-		sk->sk_family = AF_INET6;
-		if (sizeof(struct ipv6hdr) <= skb_headlen(skb)) {
-			sk->sk_v6_rcv_saddr = ipv6_hdr(skb)->saddr;
-			sk->sk_v6_daddr = ipv6_hdr(skb)->daddr;
+		if (skb_headlen(skb) < sizeof(struct ipv6hdr)) {
+			ret = -EINVAL;
+			goto out;
 		}
+		sk->sk_family = AF_INET6;
+		sk->sk_v6_rcv_saddr = ipv6_hdr(skb)->saddr;
+		sk->sk_v6_daddr = ipv6_hdr(skb)->daddr;
 		break;
 #endif
 	default:
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index b8fb1e23b107eb..3bd46fb38d5f61 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -4442,10 +4442,31 @@ static void br_multicast_start_querier(struct net_bridge_mcast *brmctx,
 	rcu_read_unlock();
 }
 
+static void br_multicast_enable_all_ports(struct net_bridge *br)
+{
+	struct net_bridge_port *port;
+
+	if (br_opt_get(br, BROPT_MCAST_VLAN_SNOOPING_ENABLED))
+		return;
+
+	list_for_each_entry(port, &br->port_list, list)
+		__br_multicast_enable_port_ctx(&port->multicast_ctx);
+}
+
+static void br_multicast_disable_all_ports(struct net_bridge *br)
+{
+	struct net_bridge_port *port;
+
+	if (br_opt_get(br, BROPT_MCAST_VLAN_SNOOPING_ENABLED))
+		return;
+
+	list_for_each_entry(port, &br->port_list, list)
+		__br_multicast_disable_port_ctx(&port->multicast_ctx);
+}
+
 int br_multicast_toggle(struct net_bridge *br, unsigned long val,
 			struct netlink_ext_ack *extack)
 {
-	struct net_bridge_port *port;
 	bool change_snoopers = false;
 	int err = 0;
 
@@ -4462,6 +4483,7 @@ int br_multicast_toggle(struct net_bridge *br, unsigned long val,
 	br_opt_toggle(br, BROPT_MULTICAST_ENABLED, !!val);
 	if (!br_opt_get(br, BROPT_MULTICAST_ENABLED)) {
 		change_snoopers = true;
+		br_multicast_disable_all_ports(br);
 		goto unlock;
 	}
 
@@ -4469,8 +4491,7 @@ int br_multicast_toggle(struct net_bridge *br, unsigned long val,
 		goto unlock;
 
 	br_multicast_open(br);
-	list_for_each_entry(port, &br->port_list, list)
-		__br_multicast_enable_port_ctx(&port->multicast_ctx);
+	br_multicast_enable_all_ports(br);
 
 	change_snoopers = true;
 
diff --git a/net/caif/cfsrvl.c b/net/caif/cfsrvl.c
index 9cef9496a70705..9a474d99bae8b7 100644
--- a/net/caif/cfsrvl.c
+++ b/net/caif/cfsrvl.c
@@ -197,10 +197,20 @@ bool cfsrvl_phyid_match(struct cflayer *layer, int phyid)
 
 void caif_free_client(struct cflayer *adap_layer)
 {
+	struct cflayer *serv_layer;
 	struct cfsrvl *servl;
-	if (adap_layer == NULL || adap_layer->dn == NULL)
+
+	if (!adap_layer)
+		return;
+
+	serv_layer = adap_layer->dn;
+	if (!serv_layer)
 		return;
-	servl = container_obj(adap_layer->dn);
+
+	layer_set_dn(adap_layer, NULL);
+	layer_set_up(serv_layer, NULL);
+
+	servl = container_obj(serv_layer);
 	servl->release(&servl->layer);
 }
 EXPORT_SYMBOL(caif_free_client);
diff --git a/net/can/raw.c b/net/can/raw.c
index e32ffcd200f38f..b489689ada333a 100644
--- a/net/can/raw.c
+++ b/net/can/raw.c
@@ -333,6 +333,14 @@ static int raw_notifier(struct notifier_block *nb, unsigned long msg,
 	return NOTIFY_DONE;
 }
 
+static void raw_sock_destruct(struct sock *sk)
+{
+	struct raw_sock *ro = raw_sk(sk);
+
+	free_percpu(ro->uniq);
+	can_sock_destruct(sk);
+}
+
 static int raw_init(struct sock *sk)
 {
 	struct raw_sock *ro = raw_sk(sk);
@@ -358,6 +366,8 @@ static int raw_init(struct sock *sk)
 	if (unlikely(!ro->uniq))
 		return -ENOMEM;
 
+	sk->sk_destruct = raw_sock_destruct;
+
 	/* set notifier */
 	spin_lock(&raw_notifier_lock);
 	list_add_tail(&ro->notifier, &raw_notifier_list);
@@ -405,7 +415,6 @@ static int raw_release(struct socket *sock)
 	ro->bound = 0;
 	ro->dev = NULL;
 	ro->count = 0;
-	free_percpu(ro->uniq);
 
 	sock_orphan(sk);
 	sock->sk = NULL;
diff --git a/net/ceph/auth.c b/net/ceph/auth.c
index 0d75679c6a7ed4..06d0d73309c226 100644
--- a/net/ceph/auth.c
+++ b/net/ceph/auth.c
@@ -245,7 +245,7 @@ int ceph_handle_auth_reply(struct ceph_auth_client *ac,
 			ac->protocol = 0;
 			ac->ops = NULL;
 		}
-		if (ac->protocol != protocol) {
+		if (!ac->protocol) {
 			ret = init_protocol(ac, protocol);
 			if (ret) {
 				pr_err("auth protocol '%s' init failed: %d\n",
@@ -257,7 +257,7 @@ int ceph_handle_auth_reply(struct ceph_auth_client *ac,
 		ac->negotiating = false;
 	}
 
-	if (result) {
+	if (result < 0) {
 		pr_err("auth protocol '%s' mauth authentication failed: %d\n",
 		       ceph_auth_proto_name(ac->protocol), result);
 		ret = result;
diff --git a/net/ceph/crush/crush.c b/net/ceph/crush/crush.c
index 254ded0b05f6a1..521aec1d5fc060 100644
--- a/net/ceph/crush/crush.c
+++ b/net/ceph/crush/crush.c
@@ -47,7 +47,6 @@ int crush_get_bucket_item_weight(const struct crush_bucket *b, int p)
 void crush_destroy_bucket_uniform(struct crush_bucket_uniform *b)
 {
 	kfree(b->h.items);
-	kfree(b);
 }
 
 void crush_destroy_bucket_list(struct crush_bucket_list *b)
@@ -55,14 +54,12 @@ void crush_destroy_bucket_list(struct crush_bucket_list *b)
 	kfree(b->item_weights);
 	kfree(b->sum_weights);
 	kfree(b->h.items);
-	kfree(b);
 }
 
 void crush_destroy_bucket_tree(struct crush_bucket_tree *b)
 {
 	kfree(b->h.items);
 	kfree(b->node_weights);
-	kfree(b);
 }
 
 void crush_destroy_bucket_straw(struct crush_bucket_straw *b)
@@ -70,14 +67,12 @@ void crush_destroy_bucket_straw(struct crush_bucket_straw *b)
 	kfree(b->straws);
 	kfree(b->item_weights);
 	kfree(b->h.items);
-	kfree(b);
 }
 
 void crush_destroy_bucket_straw2(struct crush_bucket_straw2 *b)
 {
 	kfree(b->item_weights);
 	kfree(b->h.items);
-	kfree(b);
 }
 
 void crush_destroy_bucket(struct crush_bucket *b)
@@ -99,6 +94,7 @@ void crush_destroy_bucket(struct crush_bucket *b)
 		crush_destroy_bucket_straw2((struct crush_bucket_straw2 *)b);
 		break;
 	}
+	kfree(b);
 }
 
 /**
diff --git a/net/ceph/mon_client.c b/net/ceph/mon_client.c
index 7a543f789d2982..8f4796c8d8efa2 100644
--- a/net/ceph/mon_client.c
+++ b/net/ceph/mon_client.c
@@ -174,6 +174,8 @@ int ceph_monmap_contains(struct ceph_monmap *m, struct ceph_entity_addr *addr)
  */
 static void __send_prepared_auth_request(struct ceph_mon_client *monc, int len)
 {
+	BUG_ON(len > monc->m_auth->front_alloc_len);
+
 	monc->pending_auth = 1;
 	monc->m_auth->front.iov_len = len;
 	monc->m_auth->hdr.front_len = cpu_to_le32(len);
diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c
index 7c7fd397c65028..43c321d38688f2 100644
--- a/net/ceph/osdmap.c
+++ b/net/ceph/osdmap.c
@@ -374,11 +374,15 @@ static int decode_choose_args(void **p, void *end, struct crush_map *c)
 				goto fail;
 
 			if (arg->ids_size &&
-			    arg->ids_size != c->buckets[bucket_index]->size)
+			    (!c->buckets[bucket_index] ||
+			     arg->ids_size != c->buckets[bucket_index]->size))
 				goto e_inval;
 		}
 
-		insert_choose_arg_map(&c->choose_args, arg_map);
+		if (!__insert_choose_arg_map(&c->choose_args, arg_map)) {
+			ret = -EEXIST;
+			goto fail;
+		}
 	}
 
 	return 0;
@@ -501,6 +505,10 @@ static struct crush_map *crush_decode(void *pbyval, void *end)
 		b->id = ceph_decode_32(p);
 		b->type = ceph_decode_16(p);
 		b->alg = ceph_decode_8(p);
+		if (b->alg != alg) {
+			b->alg = 0;
+			goto bad;
+		}
 		b->hash = ceph_decode_8(p);
 		b->weight = ceph_decode_32(p);
 		b->size = ceph_decode_32(p);
@@ -1689,7 +1697,7 @@ static int osdmap_decode(void **p, void *end, bool msgr2,
 	ceph_decode_need(p, end, 3*sizeof(u32) +
 			 map->max_osd*(struct_v >= 5 ? sizeof(u32) :
 						       sizeof(u8)) +
-				       sizeof(*map->osd_weight), e_inval);
+			 map->max_osd*sizeof(*map->osd_weight), e_inval);
 	if (ceph_decode_32(p) != map->max_osd)
 		goto e_inval;
 
diff --git a/net/core/filter.c b/net/core/filter.c
index 77785e70cf7029..87447a7843b5a0 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -3219,6 +3219,13 @@ static const struct bpf_func_proto bpf_skb_vlan_pop_proto = {
 	.arg1_type      = ARG_PTR_TO_CTX,
 };
 
+static void bpf_skb_change_protocol(struct sk_buff *skb, u16 proto)
+{
+	skb->protocol = htons(proto);
+	if (skb_valid_dst(skb))
+		skb_dst_drop(skb);
+}
+
 static int bpf_skb_generic_push(struct sk_buff *skb, u32 off, u32 len)
 {
 	/* Caller already did skb_cow() with len as headroom,
@@ -3315,7 +3322,7 @@ static int bpf_skb_proto_4_to_6(struct sk_buff *skb)
 		}
 	}
 
-	skb->protocol = htons(ETH_P_IPV6);
+	bpf_skb_change_protocol(skb, ETH_P_IPV6);
 	skb_clear_hash(skb);
 
 	return 0;
@@ -3345,7 +3352,7 @@ static int bpf_skb_proto_6_to_4(struct sk_buff *skb)
 		}
 	}
 
-	skb->protocol = htons(ETH_P_IP);
+	bpf_skb_change_protocol(skb, ETH_P_IP);
 	skb_clear_hash(skb);
 
 	return 0;
@@ -3532,10 +3539,10 @@ static int bpf_skb_net_grow(struct sk_buff *skb, u32 off, u32 len_diff,
 		/* Match skb->protocol to new outer l3 protocol */
 		if (skb->protocol == htons(ETH_P_IP) &&
 		    flags & BPF_F_ADJ_ROOM_ENCAP_L3_IPV6)
-			skb->protocol = htons(ETH_P_IPV6);
+			bpf_skb_change_protocol(skb, ETH_P_IPV6);
 		else if (skb->protocol == htons(ETH_P_IPV6) &&
 			 flags & BPF_F_ADJ_ROOM_ENCAP_L3_IPV4)
-			skb->protocol = htons(ETH_P_IP);
+			bpf_skb_change_protocol(skb, ETH_P_IP);
 	}
 
 	if (skb_is_gso(skb)) {
@@ -4024,6 +4031,8 @@ u32 xdp_master_redirect(struct xdp_buff *xdp)
 	struct bpf_redirect_info *ri = this_cpu_ptr(&bpf_redirect_info);
 
 	master = netdev_master_upper_dev_get_rcu(xdp->rxq->dev);
+	if (unlikely(!(master->flags & IFF_UP)))
+		return XDP_ABORTED;
 	slave = master->netdev_ops->ndo_xdp_get_xmit_slave(master, xdp);
 	if (slave && slave != xdp->rxq->dev) {
 		/* The target device is different from the receiving device, so
diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c
index ba437cfcbe90fa..db5677fbf81d36 100644
--- a/net/core/flow_dissector.c
+++ b/net/core/flow_dissector.c
@@ -902,6 +902,11 @@ bool bpf_flow_dissect(struct bpf_prog *prog, struct bpf_flow_dissector *ctx,
 	return result == BPF_OK;
 }
 
+static bool is_pppoe_ses_hdr_valid(struct pppoe_hdr hdr)
+{
+	return hdr.ver == 1 && hdr.type == 1 && hdr.code == 0;
+}
+
 /**
  * __skb_flow_dissect - extract the flow_keys struct and return it
  * @net: associated network namespace, derived from @skb if NULL
@@ -1042,6 +1047,16 @@ bool __skb_flow_dissect(const struct net *net,
 		memcpy(key_eth_addrs, &eth->h_dest, sizeof(*key_eth_addrs));
 	}
 
+	if (dissector_uses_key(flow_dissector,
+			       FLOW_DISSECTOR_KEY_NUM_OF_VLANS)) {
+		struct flow_dissector_key_num_of_vlans *key_num_of_vlans;
+
+		key_num_of_vlans = skb_flow_dissector_target(flow_dissector,
+							     FLOW_DISSECTOR_KEY_NUM_OF_VLANS,
+							     target_container);
+		key_num_of_vlans->num_of_vlans = 0;
+	}
+
 proto_again:
 	fdret = FLOW_DISSECT_RET_CONTINUE;
 
@@ -1165,6 +1180,16 @@ proto_again:
 			nhoff += sizeof(*vlan);
 		}
 
+		if (dissector_uses_key(flow_dissector, FLOW_DISSECTOR_KEY_NUM_OF_VLANS) &&
+		    !(key_control->flags & FLOW_DIS_ENCAPSULATION)) {
+			struct flow_dissector_key_num_of_vlans *key_nvs;
+
+			key_nvs = skb_flow_dissector_target(flow_dissector,
+							    FLOW_DISSECTOR_KEY_NUM_OF_VLANS,
+							    target_container);
+			key_nvs->num_of_vlans++;
+		}
+
 		if (dissector_vlan == FLOW_DISSECTOR_KEY_MAX) {
 			dissector_vlan = FLOW_DISSECTOR_KEY_VLAN;
 		} else if (dissector_vlan == FLOW_DISSECTOR_KEY_VLAN) {
@@ -1201,27 +1226,57 @@ proto_again:
 			struct pppoe_hdr hdr;
 			__be16 proto;
 		} *hdr, _hdr;
+		u16 ppp_proto;
+
 		hdr = __skb_header_pointer(skb, nhoff, sizeof(_hdr), data, hlen, &_hdr);
 		if (!hdr) {
 			fdret = FLOW_DISSECT_RET_OUT_BAD;
 			break;
 		}
 
-		proto = hdr->proto;
+		if (!is_pppoe_ses_hdr_valid(hdr->hdr)) {
+			fdret = FLOW_DISSECT_RET_OUT_BAD;
+			break;
+		}
+
+		/* PFC (compressed 1-byte protocol) frames are not processed.
+		 * A compressed protocol field has the least significant bit of
+		 * the most significant octet set, which will fail the following
+		 * ppp_proto_is_valid(), returning FLOW_DISSECT_RET_OUT_BAD.
+		 */
+		ppp_proto = ntohs(hdr->proto);
 		nhoff += PPPOE_SES_HLEN;
-		switch (proto) {
-		case htons(PPP_IP):
+
+		if (ppp_proto == PPP_IP) {
 			proto = htons(ETH_P_IP);
 			fdret = FLOW_DISSECT_RET_PROTO_AGAIN;
-			break;
-		case htons(PPP_IPV6):
+		} else if (ppp_proto == PPP_IPV6) {
 			proto = htons(ETH_P_IPV6);
 			fdret = FLOW_DISSECT_RET_PROTO_AGAIN;
-			break;
-		default:
+		} else if (ppp_proto == PPP_MPLS_UC) {
+			proto = htons(ETH_P_MPLS_UC);
+			fdret = FLOW_DISSECT_RET_PROTO_AGAIN;
+		} else if (ppp_proto == PPP_MPLS_MC) {
+			proto = htons(ETH_P_MPLS_MC);
+			fdret = FLOW_DISSECT_RET_PROTO_AGAIN;
+		} else if (ppp_proto_is_valid(ppp_proto)) {
+			fdret = FLOW_DISSECT_RET_OUT_GOOD;
+		} else {
 			fdret = FLOW_DISSECT_RET_OUT_BAD;
 			break;
 		}
+
+		if (dissector_uses_key(flow_dissector,
+				       FLOW_DISSECTOR_KEY_PPPOE)) {
+			struct flow_dissector_key_pppoe *key_pppoe;
+
+			key_pppoe = skb_flow_dissector_target(flow_dissector,
+							      FLOW_DISSECTOR_KEY_PPPOE,
+							      target_container);
+			key_pppoe->session_id = hdr->hdr.sid;
+			key_pppoe->ppp_proto = htons(ppp_proto);
+			key_pppoe->type = htons(ETH_P_PPP_SES);
+		}
 		break;
 	}
 	case htons(ETH_P_TIPC): {
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 89c22b66886d4c..bf68492e274664 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1309,6 +1309,7 @@ static noinline_for_stack int rtnl_fill_vfinfo(struct sk_buff *skb,
 		port_guid.vf = ivi.vf;
 
 	memcpy(vf_mac.mac, ivi.mac, sizeof(ivi.mac));
+	memset(&vf_broadcast, 0, sizeof(vf_broadcast));
 	memcpy(vf_broadcast.broadcast, dev->broadcast, dev->addr_len);
 	vf_vlan.vlan = ivi.vlan;
 	vf_vlan.qos = ivi.qos;
diff --git a/net/ethtool/bitset.c b/net/ethtool/bitset.c
index f0883357d12e52..4691d6d0f2b754 100644
--- a/net/ethtool/bitset.c
+++ b/net/ethtool/bitset.c
@@ -91,7 +91,7 @@ static bool ethnl_bitmap32_not_zero(const u32 *map, unsigned int start,
 	u32 mask;
 
 	if (end <= start)
-		return true;
+		return false;
 
 	if (start % 32) {
 		mask = ethnl_upper_bits(start);
@@ -104,11 +104,11 @@ static bool ethnl_bitmap32_not_zero(const u32 *map, unsigned int start,
 		start_word++;
 	}
 
-	if (!memchr_inv(map + start_word, '\0',
-			(end_word - start_word) * sizeof(u32)))
+	if (memchr_inv(map + start_word, '\0',
+		       (end_word - start_word) * sizeof(u32)))
 		return true;
 	if (end % 32 == 0)
-		return true;
+		return false;
 	return map[end_word] & ethnl_lower_bits(end);
 }
 
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index 0215e2510670ae..ab631e665e9892 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -64,6 +64,7 @@
 #include <linux/jiffies.h>
 #include <linux/kernel.h>
 #include <linux/fcntl.h>
+#include <linux/nospec.h>
 #include <linux/socket.h>
 #include <linux/in.h>
 #include <linux/inet.h>
@@ -361,7 +362,9 @@ static int icmp_glue_bits(void *from, char *to, int offset, int len, int odd,
 				      to, len);
 
 	skb->csum = csum_block_add(skb->csum, csum, odd);
-	if (icmp_pointers[icmp_param->data.icmph.type].error)
+	if (icmp_param->data.icmph.type <= NR_ICMP_TYPES &&
+	    icmp_pointers[array_index_nospec(icmp_param->data.icmph.type,
+					     NR_ICMP_TYPES + 1)].error)
 		nf_ct_attach(skb, icmp_param->skb);
 	return 0;
 }
@@ -1108,6 +1111,13 @@ bool icmp_build_probe(struct sk_buff *skb, struct icmphdr *icmphdr)
 			if (iio->ident.addr.ctype3_hdr.addrlen != sizeof(struct in6_addr))
 				goto send_mal_query;
 			dev = ipv6_stub->ipv6_dev_find(net, &iio->ident.addr.ip_addr.ipv6_addr, dev);
+			/*
+			 * If IPv6 identifier lookup is unavailable, silently
+			 * discard the request instead of misreporting NO_IF.
+			 */
+			if (IS_ERR(dev))
+				return false;
+
 			dev_hold(dev);
 			break;
 #endif
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 73ef8b4f570495..d99fed07b024fb 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -934,7 +934,7 @@ no_ownership:
 	}
 
 drop:
-	__inet_csk_reqsk_queue_drop(sk_listener, oreq, true);
+	__inet_csk_reqsk_queue_drop(oreq->rsk_listener, oreq, true);
 	reqsk_put(oreq);
 }
 
@@ -1251,16 +1251,19 @@ void inet_csk_listen_stop(struct sock *sk)
 			if (nreq) {
 				refcount_set(&nreq->rsk_refcnt, 1);
 
+				rcu_read_lock();
 				if (inet_csk_reqsk_queue_add(nsk, nreq, child)) {
 					__NET_INC_STATS(sock_net(nsk),
 							LINUX_MIB_TCPMIGRATEREQSUCCESS);
 					reqsk_migrate_reset(req);
+					READ_ONCE(nsk->sk_data_ready)(nsk);
 				} else {
 					__NET_INC_STATS(sock_net(nsk),
 							LINUX_MIB_TCPMIGRATEREQFAILURE);
 					reqsk_migrate_reset(nreq);
 					__reqsk_free(nreq);
 				}
+				rcu_read_unlock();
 
 				/* inet_csk_reqsk_queue_add() has already
 				 * called inet_child_forget() on failure case.
diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c
index a9d5a1973224ac..92bc90ee767484 100644
--- a/net/ipv4/netfilter/arp_tables.c
+++ b/net/ipv4/netfilter/arp_tables.c
@@ -110,13 +110,25 @@ static inline int arp_packet_match(const struct arphdr *arphdr,
 	arpptr += dev->addr_len;
 	memcpy(&src_ipaddr, arpptr, sizeof(u32));
 	arpptr += sizeof(u32);
-	tgt_devaddr = arpptr;
-	arpptr += dev->addr_len;
+
+	if (IS_ENABLED(CONFIG_FIREWIRE_NET) && dev->type == ARPHRD_IEEE1394) {
+		if (unlikely(memchr_inv(arpinfo->tgt_devaddr.mask, 0,
+					sizeof(arpinfo->tgt_devaddr.mask))))
+			return 0;
+
+		tgt_devaddr = NULL;
+	} else {
+		tgt_devaddr = arpptr;
+		arpptr += dev->addr_len;
+	}
 	memcpy(&tgt_ipaddr, arpptr, sizeof(u32));
 
 	if (NF_INVF(arpinfo, ARPT_INV_SRCDEVADDR,
 		    arp_devaddr_compare(&arpinfo->src_devaddr, src_devaddr,
-					dev->addr_len)) ||
+					dev->addr_len)))
+		return 0;
+
+	if (tgt_devaddr &&
 	    NF_INVF(arpinfo, ARPT_INV_TGTDEVADDR,
 		    arp_devaddr_compare(&arpinfo->tgt_devaddr, tgt_devaddr,
 					dev->addr_len)))
diff --git a/net/ipv4/netfilter/arpt_mangle.c b/net/ipv4/netfilter/arpt_mangle.c
index a4e07e5e9c118d..f65dd339208e8a 100644
--- a/net/ipv4/netfilter/arpt_mangle.c
+++ b/net/ipv4/netfilter/arpt_mangle.c
@@ -40,6 +40,10 @@ target(struct sk_buff *skb, const struct xt_action_param *par)
 	}
 	arpptr += pln;
 	if (mangle->flags & ARPT_MANGLE_TDEV) {
+		if (unlikely(IS_ENABLED(CONFIG_FIREWIRE_NET) &&
+			     skb->dev->type == ARPHRD_IEEE1394))
+			return NF_DROP;
+
 		if (ARPT_DEV_ADDR_LEN_MAX < hln ||
 		   (arpptr + hln > skb_tail_pointer(skb)))
 			return NF_DROP;
@@ -47,6 +51,10 @@ target(struct sk_buff *skb, const struct xt_action_param *par)
 	}
 	arpptr += hln;
 	if (mangle->flags & ARPT_MANGLE_TIP) {
+		if (unlikely(IS_ENABLED(CONFIG_FIREWIRE_NET) &&
+			     skb->dev->type == ARPHRD_IEEE1394))
+			return NF_DROP;
+
 		if (ARPT_MANGLE_ADDR_LEN_MAX < pln ||
 		   (arpptr + pln > skb_tail_pointer(skb)))
 			return NF_DROP;
diff --git a/net/ipv4/netfilter/arptable_filter.c b/net/ipv4/netfilter/arptable_filter.c
index 3de78416ec7629..771eec4629352a 100644
--- a/net/ipv4/netfilter/arptable_filter.c
+++ b/net/ipv4/netfilter/arptable_filter.c
@@ -90,8 +90,8 @@ static int __init arptable_filter_init(void)
 
 static void __exit arptable_filter_fini(void)
 {
-	unregister_pernet_subsys(&arptable_filter_net_ops);
 	xt_unregister_template(&packet_filter);
+	unregister_pernet_subsys(&arptable_filter_net_ops);
 	kfree(arpfilter_ops);
 }
 
diff --git a/net/ipv4/netfilter/iptable_filter.c b/net/ipv4/netfilter/iptable_filter.c
index 0eb0e2ab9bfc4f..9155c5b5318d7d 100644
--- a/net/ipv4/netfilter/iptable_filter.c
+++ b/net/ipv4/netfilter/iptable_filter.c
@@ -108,8 +108,8 @@ static int __init iptable_filter_init(void)
 
 static void __exit iptable_filter_fini(void)
 {
-	unregister_pernet_subsys(&iptable_filter_net_ops);
 	xt_unregister_template(&packet_filter);
+	unregister_pernet_subsys(&iptable_filter_net_ops);
 	kfree(filter_ops);
 }
 
diff --git a/net/ipv4/netfilter/iptable_mangle.c b/net/ipv4/netfilter/iptable_mangle.c
index 40417a3f930b2f..f2997709c08b1a 100644
--- a/net/ipv4/netfilter/iptable_mangle.c
+++ b/net/ipv4/netfilter/iptable_mangle.c
@@ -134,8 +134,8 @@ static int __init iptable_mangle_init(void)
 
 static void __exit iptable_mangle_fini(void)
 {
-	unregister_pernet_subsys(&iptable_mangle_net_ops);
 	xt_unregister_template(&packet_mangler);
+	unregister_pernet_subsys(&iptable_mangle_net_ops);
 	kfree(mangle_ops);
 }
 
diff --git a/net/ipv4/netfilter/iptable_raw.c b/net/ipv4/netfilter/iptable_raw.c
index 8265c676570533..4749ecc9a416d5 100644
--- a/net/ipv4/netfilter/iptable_raw.c
+++ b/net/ipv4/netfilter/iptable_raw.c
@@ -108,9 +108,9 @@ static int __init iptable_raw_init(void)
 
 static void __exit iptable_raw_fini(void)
 {
+	xt_unregister_template(&packet_raw);
 	unregister_pernet_subsys(&iptable_raw_net_ops);
 	kfree(rawtable_ops);
-	xt_unregister_template(&packet_raw);
 }
 
 module_init(iptable_raw_init);
diff --git a/net/ipv4/netfilter/iptable_security.c b/net/ipv4/netfilter/iptable_security.c
index f519162a2fa512..3e85be8cc98037 100644
--- a/net/ipv4/netfilter/iptable_security.c
+++ b/net/ipv4/netfilter/iptable_security.c
@@ -96,9 +96,9 @@ static int __init iptable_security_init(void)
 
 static void __exit iptable_security_fini(void)
 {
+	xt_unregister_template(&security_table);
 	unregister_pernet_subsys(&iptable_security_net_ops);
 	kfree(sectbl_ops);
-	xt_unregister_template(&security_table);
 }
 
 module_init(iptable_security_init);
diff --git a/net/ipv4/nexthop.c b/net/ipv4/nexthop.c
index 9bd72526000c4a..8cd148be09c6b4 100644
--- a/net/ipv4/nexthop.c
+++ b/net/ipv4/nexthop.c
@@ -2161,10 +2161,10 @@ static int replace_nexthop_single(struct net *net, struct nexthop *old,
 			goto err_notify;
 	}
 
-	/* When replacing an IPv4 nexthop with an IPv6 nexthop, potentially
+	/* When replacing a nexthop with one of a different family, potentially
 	 * update IPv4 indication in all the groups using the nexthop.
 	 */
-	if (oldi->family == AF_INET && newi->family == AF_INET6) {
+	if (oldi->family != newi->family) {
 		list_for_each_entry(nhge, &old->grp_list, nh_list) {
 			struct nexthop *nhp = nhge->nh_parent;
 			struct nh_group *nhg;
diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c
index ce0945337e7789..e6cb76ecbf2d9f 100644
--- a/net/ipv4/raw.c
+++ b/net/ipv4/raw.c
@@ -407,7 +407,7 @@ static int raw_send_hdrinc(struct sock *sk, struct flowi4 *fl4,
 	 * in, reject the frame as invalid
 	 */
 	err = -EINVAL;
-	if (iphlen > length)
+	if (iphlen > length || iphlen < sizeof(*iph))
 		goto error_free;
 
 	if (iphlen >= sizeof(*iph)) {
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 8cddfeb65872f1..4a7789ac0c1015 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -2926,54 +2926,6 @@ struct rtable *ip_route_output_flow(struct net *net, struct flowi4 *flp4,
 }
 EXPORT_SYMBOL_GPL(ip_route_output_flow);
 
-struct rtable *ip_route_output_tunnel(struct sk_buff *skb,
-				      struct net_device *dev,
-				      struct net *net, __be32 *saddr,
-				      const struct ip_tunnel_info *info,
-				      u8 protocol, bool use_cache)
-{
-#ifdef CONFIG_DST_CACHE
-	struct dst_cache *dst_cache;
-#endif
-	struct rtable *rt = NULL;
-	struct flowi4 fl4;
-	__u8 tos;
-
-#ifdef CONFIG_DST_CACHE
-	dst_cache = (struct dst_cache *)&info->dst_cache;
-	if (use_cache) {
-		rt = dst_cache_get_ip4(dst_cache, saddr);
-		if (rt)
-			return rt;
-	}
-#endif
-	memset(&fl4, 0, sizeof(fl4));
-	fl4.flowi4_mark = skb->mark;
-	fl4.flowi4_proto = protocol;
-	fl4.daddr = info->key.u.ipv4.dst;
-	fl4.saddr = info->key.u.ipv4.src;
-	tos = info->key.tos;
-	fl4.flowi4_tos = RT_TOS(tos);
-
-	rt = ip_route_output_key(net, &fl4);
-	if (IS_ERR(rt)) {
-		netdev_dbg(dev, "no route to %pI4\n", &fl4.daddr);
-		return ERR_PTR(-ENETUNREACH);
-	}
-	if (rt->dst.dev == dev) { /* is this necessary? */
-		netdev_dbg(dev, "circular route to %pI4\n", &fl4.daddr);
-		ip_rt_put(rt);
-		return ERR_PTR(-ELOOP);
-	}
-#ifdef CONFIG_DST_CACHE
-	if (use_cache)
-		dst_cache_set_ip4(dst_cache, &rt->dst, fl4.saddr);
-#endif
-	*saddr = fl4.saddr;
-	return rt;
-}
-EXPORT_SYMBOL_GPL(ip_route_output_tunnel);
-
 /* called with rcu_read_lock held */
 static int rt_fill_info(struct net *net, __be32 dst, __be32 src,
 			struct rtable *rt, u32 table_id, struct flowi4 *fl4,
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 36981a3e9013f8..dbb834d7eaee4f 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -3961,7 +3961,8 @@ struct sk_buff *tcp_get_timestamping_opt_stats(const struct sock *sk,
 	nla_put_u32(stats, TCP_NLA_SRTT, tp->srtt_us >> 3);
 	nla_put_u16(stats, TCP_NLA_TIMEOUT_REHASH, tp->timeout_rehash);
 	nla_put_u32(stats, TCP_NLA_BYTES_NOTSENT,
-		    max_t(int, 0, tp->write_seq - tp->snd_nxt));
+		    max_t(int, 0,
+			  READ_ONCE(tp->write_seq) - READ_ONCE(tp->snd_nxt)));
 	nla_put_u64_64bit(stats, TCP_NLA_EDT, orig_skb->skb_mstamp_ns,
 			  TCP_NLA_PAD);
 	if (ack_skb)
diff --git a/net/ipv4/udp_tunnel_core.c b/net/ipv4/udp_tunnel_core.c
index 1ff5b8e30bb92d..749f163d457777 100644
--- a/net/ipv4/udp_tunnel_core.c
+++ b/net/ipv4/udp_tunnel_core.c
@@ -207,4 +207,52 @@ struct metadata_dst *udp_tun_rx_dst(struct sk_buff *skb,  unsigned short family,
 }
 EXPORT_SYMBOL_GPL(udp_tun_rx_dst);
 
+struct rtable *udp_tunnel_dst_lookup(struct sk_buff *skb,
+				     struct net_device *dev,
+				     struct net *net, int oif,
+				     __be32 *saddr,
+				     const struct ip_tunnel_key *key,
+				     __be16 sport, __be16 dport, u8 tos,
+				     struct dst_cache *dst_cache)
+{
+	struct rtable *rt = NULL;
+	struct flowi4 fl4;
+
+#ifdef CONFIG_DST_CACHE
+	if (dst_cache) {
+		rt = dst_cache_get_ip4(dst_cache, saddr);
+		if (rt)
+			return rt;
+	}
+#endif
+
+	memset(&fl4, 0, sizeof(fl4));
+	fl4.flowi4_mark = skb->mark;
+	fl4.flowi4_proto = IPPROTO_UDP;
+	fl4.flowi4_oif = oif;
+	fl4.daddr = key->u.ipv4.dst;
+	fl4.saddr = key->u.ipv4.src;
+	fl4.fl4_dport = dport;
+	fl4.fl4_sport = sport;
+	fl4.flowi4_tos = RT_TOS(tos);
+
+	rt = ip_route_output_key(net, &fl4);
+	if (IS_ERR(rt)) {
+		netdev_dbg(dev, "no route to %pI4\n", &fl4.daddr);
+		return ERR_PTR(-ENETUNREACH);
+	}
+	if (rt->dst.dev == dev) { /* is this necessary? */
+		netdev_dbg(dev, "circular route to %pI4\n", &fl4.daddr);
+		ip_rt_put(rt);
+		return ERR_PTR(-ELOOP);
+	}
+#ifdef CONFIG_DST_CACHE
+	if (dst_cache)
+		dst_cache_set_ip4(dst_cache, &rt->dst, fl4.saddr);
+#endif
+	*saddr = fl4.saddr;
+	return rt;
+}
+EXPORT_SYMBOL_GPL(udp_tunnel_dst_lookup);
+
 MODULE_LICENSE("GPL");
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index 10772dab66bbd3..343b957e6337ab 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -373,6 +373,10 @@ static int ipv6_srh_rcv(struct sk_buff *skb)
 	hdr = (struct ipv6_sr_hdr *)skb_transport_header(skb);
 
 	idev = __in6_dev_get(skb->dev);
+	if (!idev) {
+		kfree_skb(skb);
+		return -1;
+	}
 
 	accept_seg6 = net->ipv6.devconf_all->seg6_enabled;
 	if (accept_seg6 > idev->cnf.seg6_enabled)
@@ -489,6 +493,7 @@ static int ipv6_rpl_srh_rcv(struct sk_buff *skb)
 	struct inet6_dev *idev;
 	struct ipv6hdr *oldhdr;
 	struct in6_addr addr;
+	unsigned int chdr_len;
 	unsigned char *buf;
 	int accept_rpl_seg;
 	int i, err;
@@ -610,8 +615,10 @@ looped_back:
 	skb_pull(skb, ((hdr->hdrlen + 1) << 3));
 	skb_postpull_rcsum(skb, oldhdr,
 			   sizeof(struct ipv6hdr) + ((hdr->hdrlen + 1) << 3));
-	if (unlikely(!hdr->segments_left)) {
-		if (pskb_expand_head(skb, sizeof(struct ipv6hdr) + ((chdr->hdrlen + 1) << 3), 0,
+	chdr_len = sizeof(struct ipv6hdr) + ((chdr->hdrlen + 1) << 3);
+	if (unlikely(!hdr->segments_left ||
+		     skb_headroom(skb) < chdr_len + skb->mac_len)) {
+		if (pskb_expand_head(skb, chdr_len + skb->mac_len, 0,
 				     GFP_ATOMIC)) {
 			__IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)), IPSTATS_MIB_OUTDISCARDS);
 			kfree_skb(skb);
@@ -621,7 +628,7 @@ looped_back:
 
 		oldhdr = ipv6_hdr(skb);
 	}
-	skb_push(skb, ((chdr->hdrlen + 1) << 3) + sizeof(struct ipv6hdr));
+	skb_push(skb, chdr_len);
 	skb_reset_network_header(skb);
 	skb_mac_header_rebuild(skb);
 	skb_set_transport_header(skb, sizeof(struct ipv6hdr));
diff --git a/net/ipv6/icmp.c b/net/ipv6/icmp.c
index 6f053874de7414..fcfb0f79b07ab4 100644
--- a/net/ipv6/icmp.c
+++ b/net/ipv6/icmp.c
@@ -883,7 +883,6 @@ static int icmpv6_rcv(struct sk_buff *skb)
 	struct net *net = dev_net(skb->dev);
 	struct net_device *dev = icmp6_dev(skb);
 	struct inet6_dev *idev = __in6_dev_get(dev);
-	const struct in6_addr *saddr, *daddr;
 	struct icmp6hdr *hdr;
 	u8 type;
 	bool success = false;
@@ -910,12 +909,10 @@ static int icmpv6_rcv(struct sk_buff *skb)
 
 	__ICMP6_INC_STATS(dev_net(dev), idev, ICMP6_MIB_INMSGS);
 
-	saddr = &ipv6_hdr(skb)->saddr;
-	daddr = &ipv6_hdr(skb)->daddr;
-
 	if (skb_checksum_validate(skb, IPPROTO_ICMPV6, ip6_compute_pseudo)) {
 		net_dbg_ratelimited("ICMPv6 checksum failed [%pI6c > %pI6c]\n",
-				    saddr, daddr);
+				    &ipv6_hdr(skb)->saddr,
+				    &ipv6_hdr(skb)->daddr);
 		goto csum_error;
 	}
 
@@ -997,7 +994,8 @@ static int icmpv6_rcv(struct sk_buff *skb)
 			break;
 
 		net_dbg_ratelimited("icmpv6: msg of unknown type [%pI6c > %pI6c]\n",
-				    saddr, daddr);
+				    &ipv6_hdr(skb)->saddr,
+				    &ipv6_hdr(skb)->daddr);
 
 		/*
 		 * error of unknown type.
diff --git a/net/ipv6/ip6_gre.c b/net/ipv6/ip6_gre.c
index 84ba9ad0013522..b55e9ef880f48f 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -2301,10 +2301,11 @@ static int ip6erspan_changelink(struct net_device *dev, struct nlattr *tb[],
 				struct nlattr *data[],
 				struct netlink_ext_ack *extack)
 {
-	struct ip6gre_net *ign = net_generic(dev_net(dev), ip6gre_net_id);
+	struct ip6_tnl *t = netdev_priv(dev);
 	struct __ip6_tnl_parm p;
-	struct ip6_tnl *t;
+	struct ip6gre_net *ign;
 
+	ign = net_generic(t->net, ip6gre_net_id);
 	t = ip6gre_changelink_common(dev, tb, data, &p, extack);
 	if (IS_ERR(t))
 		return PTR_ERR(t);
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index acb76248cc0e47..65b3168bce31fe 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1274,74 +1274,6 @@ struct dst_entry *ip6_sk_dst_lookup_flow(struct sock *sk, struct flowi6 *fl6,
 }
 EXPORT_SYMBOL_GPL(ip6_sk_dst_lookup_flow);
 
-/**
- *      ip6_dst_lookup_tunnel - perform route lookup on tunnel
- *      @skb: Packet for which lookup is done
- *      @dev: Tunnel device
- *      @net: Network namespace of tunnel device
- *      @sock: Socket which provides route info
- *      @saddr: Memory to store the src ip address
- *      @info: Tunnel information
- *      @protocol: IP protocol
- *      @use_cache: Flag to enable cache usage
- *      This function performs a route lookup on a tunnel
- *
- *      It returns a valid dst pointer and stores src address to be used in
- *      tunnel in param saddr on success, else a pointer encoded error code.
- */
-
-struct dst_entry *ip6_dst_lookup_tunnel(struct sk_buff *skb,
-					struct net_device *dev,
-					struct net *net,
-					struct socket *sock,
-					struct in6_addr *saddr,
-					const struct ip_tunnel_info *info,
-					u8 protocol,
-					bool use_cache)
-{
-	struct dst_entry *dst = NULL;
-#ifdef CONFIG_DST_CACHE
-	struct dst_cache *dst_cache;
-#endif
-	struct flowi6 fl6;
-	__u8 prio;
-
-#ifdef CONFIG_DST_CACHE
-	dst_cache = (struct dst_cache *)&info->dst_cache;
-	if (use_cache) {
-		dst = dst_cache_get_ip6(dst_cache, saddr);
-		if (dst)
-			return dst;
-	}
-#endif
-	memset(&fl6, 0, sizeof(fl6));
-	fl6.flowi6_mark = skb->mark;
-	fl6.flowi6_proto = protocol;
-	fl6.daddr = info->key.u.ipv6.dst;
-	fl6.saddr = info->key.u.ipv6.src;
-	prio = info->key.tos;
-	fl6.flowlabel = ip6_make_flowinfo(prio, info->key.label);
-
-	dst = ipv6_stub->ipv6_dst_lookup_flow(net, sock->sk, &fl6,
-					      NULL);
-	if (IS_ERR(dst)) {
-		netdev_dbg(dev, "no route to %pI6\n", &fl6.daddr);
-		return ERR_PTR(-ENETUNREACH);
-	}
-	if (dst->dev == dev) { /* is this necessary? */
-		netdev_dbg(dev, "circular route to %pI6\n", &fl6.daddr);
-		dst_release(dst);
-		return ERR_PTR(-ELOOP);
-	}
-#ifdef CONFIG_DST_CACHE
-	if (use_cache)
-		dst_cache_set_ip6(dst_cache, dst, &fl6.saddr);
-#endif
-	*saddr = fl6.saddr;
-	return dst;
-}
-EXPORT_SYMBOL_GPL(ip6_dst_lookup_tunnel);
-
 static inline struct ipv6_opt_hdr *ip6_opt_dup(struct ipv6_opt_hdr *src,
 					       gfp_t gfp)
 {
diff --git a/net/ipv6/ip6_udp_tunnel.c b/net/ipv6/ip6_udp_tunnel.c
index cdc4d4ee242066..7aef559e60ec53 100644
--- a/net/ipv6/ip6_udp_tunnel.c
+++ b/net/ipv6/ip6_udp_tunnel.c
@@ -1,3 +1,4 @@
+
 // SPDX-License-Identifier: GPL-2.0-only
 #include <linux/module.h>
 #include <linux/errno.h>
@@ -111,4 +112,72 @@ int udp_tunnel6_xmit_skb(struct dst_entry *dst, struct sock *sk,
 }
 EXPORT_SYMBOL_GPL(udp_tunnel6_xmit_skb);
 
+/**
+ *      udp_tunnel6_dst_lookup - perform route lookup on UDP tunnel
+ *      @skb: Packet for which lookup is done
+ *      @dev: Tunnel device
+ *      @net: Network namespace of tunnel device
+ *      @sock: Socket which provides route info
+ *      @saddr: Memory to store the src ip address
+ *      @info: Tunnel information
+ *      @protocol: IP protocol
+ *      @use_cache: Flag to enable cache usage
+ *      This function performs a route lookup on a UDP tunnel
+ *
+ *      It returns a valid dst pointer and stores src address to be used in
+ *      tunnel in param saddr on success, else a pointer encoded error code.
+ */
+
+struct dst_entry *udp_tunnel6_dst_lookup(struct sk_buff *skb,
+					 struct net_device *dev,
+					 struct net *net,
+					 struct socket *sock,
+					 struct in6_addr *saddr,
+					 const struct ip_tunnel_info *info,
+					 u8 protocol,
+					 bool use_cache)
+{
+	struct dst_entry *dst = NULL;
+#ifdef CONFIG_DST_CACHE
+	struct dst_cache *dst_cache;
+#endif
+	struct flowi6 fl6;
+	__u8 prio;
+
+#ifdef CONFIG_DST_CACHE
+	dst_cache = (struct dst_cache *)&info->dst_cache;
+	if (use_cache) {
+		dst = dst_cache_get_ip6(dst_cache, saddr);
+		if (dst)
+			return dst;
+	}
+#endif
+	memset(&fl6, 0, sizeof(fl6));
+	fl6.flowi6_mark = skb->mark;
+	fl6.flowi6_proto = protocol;
+	fl6.daddr = info->key.u.ipv6.dst;
+	fl6.saddr = info->key.u.ipv6.src;
+	prio = info->key.tos;
+	fl6.flowlabel = ip6_make_flowinfo(prio, info->key.label);
+
+	dst = ipv6_stub->ipv6_dst_lookup_flow(net, sock->sk, &fl6,
+					      NULL);
+	if (IS_ERR(dst)) {
+		netdev_dbg(dev, "no route to %pI6\n", &fl6.daddr);
+		return ERR_PTR(-ENETUNREACH);
+	}
+	if (dst->dev == dev) { /* is this necessary? */
+		netdev_dbg(dev, "circular route to %pI6\n", &fl6.daddr);
+		dst_release(dst);
+		return ERR_PTR(-ELOOP);
+	}
+#ifdef CONFIG_DST_CACHE
+	if (use_cache)
+		dst_cache_set_ip6(dst_cache, dst, &fl6.saddr);
+#endif
+	*saddr = fl6.saddr;
+	return dst;
+}
+EXPORT_SYMBOL_GPL(udp_tunnel6_dst_lookup);
+
 MODULE_LICENSE("GPL");
diff --git a/net/ipv6/netfilter/ip6t_eui64.c b/net/ipv6/netfilter/ip6t_eui64.c
index d704f7ed300c24..da69a27e8332c1 100644
--- a/net/ipv6/netfilter/ip6t_eui64.c
+++ b/net/ipv6/netfilter/ip6t_eui64.c
@@ -22,8 +22,7 @@ eui64_mt6(const struct sk_buff *skb, struct xt_action_param *par)
 	unsigned char eui64[8];
 
 	if (!(skb_mac_header(skb) >= skb->head &&
-	      skb_mac_header(skb) + ETH_HLEN <= skb->data) &&
-	    par->fragoff != 0) {
+	      skb_mac_header(skb) + ETH_HLEN <= skb->data)) {
 		par->hotdrop = true;
 		return false;
 	}
diff --git a/net/ipv6/netfilter/ip6t_hbh.c b/net/ipv6/netfilter/ip6t_hbh.c
index e7a3fb9355ee34..450dd53846a2f7 100644
--- a/net/ipv6/netfilter/ip6t_hbh.c
+++ b/net/ipv6/netfilter/ip6t_hbh.c
@@ -168,6 +168,10 @@ static int hbh_mt6_check(const struct xt_mtchk_param *par)
 		pr_debug("unknown flags %X\n", optsinfo->invflags);
 		return -EINVAL;
 	}
+	if (optsinfo->optsnr > IP6T_OPTS_OPTSNR) {
+		pr_debug("too many supported opts specified\n");
+		return -EINVAL;
+	}
 
 	if (optsinfo->flags & IP6T_OPTS_NSTRICT) {
 		pr_debug("Not strict - not implemented");
diff --git a/net/ipv6/netfilter/ip6table_filter.c b/net/ipv6/netfilter/ip6table_filter.c
index 727ee80970124d..477982fcc04ae6 100644
--- a/net/ipv6/netfilter/ip6table_filter.c
+++ b/net/ipv6/netfilter/ip6table_filter.c
@@ -108,8 +108,8 @@ static int __init ip6table_filter_init(void)
 
 static void __exit ip6table_filter_fini(void)
 {
-	unregister_pernet_subsys(&ip6table_filter_net_ops);
 	xt_unregister_template(&packet_filter);
+	unregister_pernet_subsys(&ip6table_filter_net_ops);
 	kfree(filter_ops);
 }
 
diff --git a/net/ipv6/netfilter/ip6table_mangle.c b/net/ipv6/netfilter/ip6table_mangle.c
index 9b518ce37d6ae6..bf062c01041ecd 100644
--- a/net/ipv6/netfilter/ip6table_mangle.c
+++ b/net/ipv6/netfilter/ip6table_mangle.c
@@ -127,8 +127,8 @@ static int __init ip6table_mangle_init(void)
 
 static void __exit ip6table_mangle_fini(void)
 {
-	unregister_pernet_subsys(&ip6table_mangle_net_ops);
 	xt_unregister_template(&packet_mangler);
+	unregister_pernet_subsys(&ip6table_mangle_net_ops);
 	kfree(mangle_ops);
 }
 
diff --git a/net/ipv6/netfilter/ip6table_raw.c b/net/ipv6/netfilter/ip6table_raw.c
index 4f2a04af71d320..6214c0b97f123f 100644
--- a/net/ipv6/netfilter/ip6table_raw.c
+++ b/net/ipv6/netfilter/ip6table_raw.c
@@ -106,8 +106,8 @@ static int __init ip6table_raw_init(void)
 
 static void __exit ip6table_raw_fini(void)
 {
-	unregister_pernet_subsys(&ip6table_raw_net_ops);
 	xt_unregister_template(&packet_raw);
+	unregister_pernet_subsys(&ip6table_raw_net_ops);
 	kfree(rawtable_ops);
 }
 
diff --git a/net/ipv6/netfilter/ip6table_security.c b/net/ipv6/netfilter/ip6table_security.c
index 931674034d8be5..36b62f848897af 100644
--- a/net/ipv6/netfilter/ip6table_security.c
+++ b/net/ipv6/netfilter/ip6table_security.c
@@ -95,8 +95,8 @@ static int __init ip6table_security_init(void)
 
 static void __exit ip6table_security_fini(void)
 {
-	unregister_pernet_subsys(&ip6table_security_net_ops);
 	xt_unregister_template(&security_table);
+	unregister_pernet_subsys(&ip6table_security_net_ops);
 	kfree(sectbl_ops);
 }
 
diff --git a/net/ipv6/rpl_iptunnel.c b/net/ipv6/rpl_iptunnel.c
index 26ade9931d8ec0..fe71dc09fe40c2 100644
--- a/net/ipv6/rpl_iptunnel.c
+++ b/net/ipv6/rpl_iptunnel.c
@@ -286,7 +286,16 @@ static int rpl_input(struct sk_buff *skb)
 
 	if (!dst) {
 		ip6_route_input(skb);
+
+		/* ip6_route_input() sets a NOREF dst; force a refcount on it
+		 * before caching or further use.
+		 */
+		skb_dst_force(skb);
 		dst = skb_dst(skb);
+		if (unlikely(!dst)) {
+			err = -ENETUNREACH;
+			goto drop;
+		}
 
 		/* cache only if we don't create a dst reference loop */
 		if (!dst->error && lwtst != dst->lwtstate) {
diff --git a/net/ipv6/seg6_hmac.c b/net/ipv6/seg6_hmac.c
index 7e3a8576993223..68acff337e4147 100644
--- a/net/ipv6/seg6_hmac.c
+++ b/net/ipv6/seg6_hmac.c
@@ -244,6 +244,8 @@ bool seg6_hmac_validate_skb(struct sk_buff *skb)
 	struct inet6_dev *idev;
 
 	idev = __in6_dev_get(skb->dev);
+	if (!idev)
+		return false;
 
 	srh = (struct ipv6_sr_hdr *)skb_transport_header(skb);
 
diff --git a/net/ipv6/seg6_iptunnel.c b/net/ipv6/seg6_iptunnel.c
index 62dde5c506b104..3e4dd21416136c 100644
--- a/net/ipv6/seg6_iptunnel.c
+++ b/net/ipv6/seg6_iptunnel.c
@@ -500,7 +500,16 @@ static int seg6_input_core(struct net *net, struct sock *sk,
 
 	if (!dst) {
 		ip6_route_input(skb);
+
+		/* ip6_route_input() sets a NOREF dst; force a refcount on it
+		 * before caching or further use.
+		 */
+		skb_dst_force(skb);
 		dst = skb_dst(skb);
+		if (unlikely(!dst)) {
+			err = -ENETUNREACH;
+			goto drop;
+		}
 
 		/* cache only if we don't create a dst reference loop */
 		if (!dst->error && lwtst != dst->lwtstate) {
@@ -714,7 +723,8 @@ static int seg6_build_state(struct net *net, struct nlattr *nla,
 	newts->type = LWTUNNEL_ENCAP_SEG6;
 	newts->flags |= LWTUNNEL_STATE_INPUT_REDIRECT;
 
-	if (tuninfo->mode != SEG6_IPTUN_MODE_L2ENCAP)
+	if (tuninfo->mode != SEG6_IPTUN_MODE_L2ENCAP &&
+	    tuninfo->mode != SEG6_IPTUN_MODE_L2ENCAP_RED)
 		newts->flags |= LWTUNNEL_STATE_OUTPUT_REDIRECT;
 
 	newts->headroom = seg6_lwt_headroom(tuninfo);
diff --git a/net/ipv6/xfrm6_protocol.c b/net/ipv6/xfrm6_protocol.c
index ea2f805d3b014c..9b586fcec4850b 100644
--- a/net/ipv6/xfrm6_protocol.c
+++ b/net/ipv6/xfrm6_protocol.c
@@ -88,8 +88,10 @@ int xfrm6_rcv_encap(struct sk_buff *skb, int nexthdr, __be32 spi,
 
 		dst = ip6_route_input_lookup(dev_net(skb->dev), skb->dev, &fl6,
 					     skb, flags);
-		if (dst->error)
+		if (dst->error) {
+			dst_release(dst);
 			goto drop;
+		}
 		skb_dst_set(skb, dst);
 	}
 
diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index 7e242ebac664a9..e429a0749ffea1 100644
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -1083,6 +1083,11 @@ static int l2tp_xmit_core(struct l2tp_session *session, struct sk_buff *skb, uns
 		uh->source = inet->inet_sport;
 		uh->dest = inet->inet_dport;
 		udp_len = uhlen + session->hdr_len + data_len;
+		if (udp_len > U16_MAX) {
+			kfree_skb(skb);
+			ret = NET_XMIT_DROP;
+			goto out_unlock;
+		}
 		uh->len = htons(udp_len);
 
 		/* Calculate UDP checksum if configured to do so */
diff --git a/net/mac80211/tdls.c b/net/mac80211/tdls.c
index c2d7479c119af6..d25dfeb347f243 100644
--- a/net/mac80211/tdls.c
+++ b/net/mac80211/tdls.c
@@ -1380,7 +1380,7 @@ int ieee80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev,
 
 		mutex_lock(&local->sta_mtx);
 		sta = sta_info_get(sdata, peer);
-		if (!sta) {
+		if (!sta || !sta->sta.tdls) {
 			mutex_unlock(&local->sta_mtx);
 			ret = -ENOLINK;
 			break;
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index a5be5fe5c6b4ef..05449316137633 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1882,8 +1882,10 @@ bool ieee80211_tx_prepare_skb(struct ieee80211_hw *hw,
 	struct ieee80211_tx_data tx;
 	struct sk_buff *skb2;
 
-	if (ieee80211_tx_prepare(sdata, &tx, NULL, skb) == TX_DROP)
+	if (ieee80211_tx_prepare(sdata, &tx, NULL, skb) == TX_DROP) {
+		kfree_skb(skb);
 		return false;
+	}
 
 	info->band = band;
 	info->control.vif = vif;
diff --git a/net/mptcp/pm_netlink.c b/net/mptcp/pm_netlink.c
index 6fb14148a96e06..e99247f906a3cb 100644
--- a/net/mptcp/pm_netlink.c
+++ b/net/mptcp/pm_netlink.c
@@ -1041,7 +1041,7 @@ static struct lock_class_key mptcp_keys[2];
 static int mptcp_pm_nl_create_listen_socket(struct sock *sk,
 					    struct mptcp_pm_addr_entry *entry)
 {
-	bool is_ipv6 = sk->sk_family == AF_INET6;
+	bool is_ipv6 = entry->addr.family == AF_INET6;
 	int addrlen = sizeof(struct sockaddr_in);
 	struct sockaddr_storage addr;
 	struct socket *ssock;
diff --git a/net/mptcp/sockopt.c b/net/mptcp/sockopt.c
index 46c7c6474277bb..cd4b3c243b0204 100644
--- a/net/mptcp/sockopt.c
+++ b/net/mptcp/sockopt.c
@@ -155,10 +155,10 @@ static int mptcp_setsockopt_sol_socket_tstamp(struct mptcp_sock *msk, int optnam
 	lock_sock(sk);
 	mptcp_for_each_subflow(msk, subflow) {
 		struct sock *ssk = mptcp_subflow_tcp_sock(subflow);
-		bool slow = lock_sock_fast(ssk);
 
-		sock_set_timestamp(sk, optname, !!val);
-		unlock_sock_fast(ssk, slow);
+		lock_sock(ssk);
+		sock_set_timestamp(ssk, optname, !!val);
+		release_sock(ssk);
 	}
 
 	release_sock(sk);
@@ -231,10 +231,10 @@ static int mptcp_setsockopt_sol_socket_timestamping(struct mptcp_sock *msk,
 
 	mptcp_for_each_subflow(msk, subflow) {
 		struct sock *ssk = mptcp_subflow_tcp_sock(subflow);
-		bool slow = lock_sock_fast(ssk);
 
-		sock_set_timestamping(sk, optname, timestamping);
-		unlock_sock_fast(ssk, slow);
+		lock_sock(ssk);
+		sock_set_timestamping(ssk, optname, timestamping);
+		release_sock(ssk);
 	}
 
 	release_sock(sk);
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c
index 784ffd08c15a17..a5a03601c7f927 100644
--- a/net/mptcp/subflow.c
+++ b/net/mptcp/subflow.c
@@ -460,7 +460,7 @@ static void subflow_finish_connect(struct sock *sk, const struct sk_buff *skb)
 			 subflow->backup);
 
 		if (!subflow_thmac_valid(subflow)) {
-			MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_JOINACKMAC);
+			MPTCP_INC_STATS(sock_net(sk), MPTCP_MIB_JOINSYNACKMAC);
 			subflow->reset_reason = MPTCP_RST_EMPTCP;
 			goto do_reset;
 		}
@@ -787,7 +787,7 @@ create_child:
 
 			if (!subflow_hmac_valid(req, &mp_opt)) {
 				SUBFLOW_REQ_INC_STATS(req, MPTCP_MIB_JOINACKMAC);
-				subflow_add_reset_reason(skb, MPTCP_RST_EPROHIBIT);
+				subflow_add_reset_reason(skb, MPTCP_RST_EMPTCP);
 				goto dispose_child;
 			}
 
diff --git a/net/netfilter/ipset/ip_set_hash_ipmark.c b/net/netfilter/ipset/ip_set_hash_ipmark.c
index a22ec1a6f6ec85..e26ca2a370e348 100644
--- a/net/netfilter/ipset/ip_set_hash_ipmark.c
+++ b/net/netfilter/ipset/ip_set_hash_ipmark.c
@@ -150,7 +150,7 @@ hash_ipmark4_uadt(struct ip_set *set, struct nlattr *tb[],
 
 	if (retried)
 		ip = ntohl(h->next.ip);
-	for (; ip <= ip_to; ip++, i++) {
+	for (; ip <= ip_to; i++) {
 		e.ip = htonl(ip);
 		if (i > IPSET_MAX_RANGE) {
 			hash_ipmark4_data_next(&h->next, &e);
@@ -162,6 +162,10 @@ hash_ipmark4_uadt(struct ip_set *set, struct nlattr *tb[],
 			return ret;
 
 		ret = 0;
+
+		if (ip == ip_to)
+			break;
+		ip++;
 	}
 	return ret;
 }
diff --git a/net/netfilter/ipset/ip_set_hash_ipport.c b/net/netfilter/ipset/ip_set_hash_ipport.c
index 10481760a9b254..a947285eb46248 100644
--- a/net/netfilter/ipset/ip_set_hash_ipport.c
+++ b/net/netfilter/ipset/ip_set_hash_ipport.c
@@ -175,7 +175,7 @@ hash_ipport4_uadt(struct ip_set *set, struct nlattr *tb[],
 
 	if (retried)
 		ip = ntohl(h->next.ip);
-	for (; ip <= ip_to; ip++) {
+	for (; ip <= ip_to;) {
 		p = retried && ip == ntohl(h->next.ip) ? ntohs(h->next.port)
 						       : port;
 		for (; p <= port_to; p++, i++) {
@@ -192,6 +192,9 @@ hash_ipport4_uadt(struct ip_set *set, struct nlattr *tb[],
 
 			ret = 0;
 		}
+		if (ip == ip_to)
+			break;
+		ip++;
 	}
 	return ret;
 }
diff --git a/net/netfilter/ipset/ip_set_hash_ipportip.c b/net/netfilter/ipset/ip_set_hash_ipportip.c
index 39a01934b1536d..b9ac2efaa15c7a 100644
--- a/net/netfilter/ipset/ip_set_hash_ipportip.c
+++ b/net/netfilter/ipset/ip_set_hash_ipportip.c
@@ -182,7 +182,7 @@ hash_ipportip4_uadt(struct ip_set *set, struct nlattr *tb[],
 
 	if (retried)
 		ip = ntohl(h->next.ip);
-	for (; ip <= ip_to; ip++) {
+	for (; ip <= ip_to;) {
 		p = retried && ip == ntohl(h->next.ip) ? ntohs(h->next.port)
 						       : port;
 		for (; p <= port_to; p++, i++) {
@@ -199,6 +199,9 @@ hash_ipportip4_uadt(struct ip_set *set, struct nlattr *tb[],
 
 			ret = 0;
 		}
+		if (ip == ip_to)
+			break;
+		ip++;
 	}
 	return ret;
 }
diff --git a/net/netfilter/ipset/ip_set_hash_ipportnet.c b/net/netfilter/ipset/ip_set_hash_ipportnet.c
index 5c6de605a9fb7f..2d6652d43199a4 100644
--- a/net/netfilter/ipset/ip_set_hash_ipportnet.c
+++ b/net/netfilter/ipset/ip_set_hash_ipportnet.c
@@ -274,7 +274,7 @@ hash_ipportnet4_uadt(struct ip_set *set, struct nlattr *tb[],
 		p = port;
 		ip2 = ip2_from;
 	}
-	for (; ip <= ip_to; ip++) {
+	for (; ip <= ip_to;) {
 		e.ip = htonl(ip);
 		for (; p <= port_to; p++) {
 			e.port = htons(p);
@@ -298,6 +298,9 @@ hash_ipportnet4_uadt(struct ip_set *set, struct nlattr *tb[],
 			ip2 = ip2_from;
 		}
 		p = port;
+		if (ip == ip_to)
+			break;
+		ip++;
 	}
 	return ret;
 }
diff --git a/net/netfilter/ipvs/ip_vs_xmit.c b/net/netfilter/ipvs/ip_vs_xmit.c
index f82834349ca2c6..9e199f00eea73c 100644
--- a/net/netfilter/ipvs/ip_vs_xmit.c
+++ b/net/netfilter/ipvs/ip_vs_xmit.c
@@ -103,6 +103,18 @@ __ip_vs_dst_check(struct ip_vs_dest *dest)
 	return dest_dst;
 }
 
+/* Based on ip_exceeds_mtu(). */
+static bool ip_vs_exceeds_mtu(const struct sk_buff *skb, unsigned int mtu)
+{
+	if (skb->len <= mtu)
+		return false;
+
+	if (skb_is_gso(skb) && skb_gso_validate_network_len(skb, mtu))
+		return false;
+
+	return true;
+}
+
 static inline bool
 __mtu_check_toobig_v6(const struct sk_buff *skb, u32 mtu)
 {
@@ -112,10 +124,9 @@ __mtu_check_toobig_v6(const struct sk_buff *skb, u32 mtu)
 		 */
 		if (IP6CB(skb)->frag_max_size > mtu)
 			return true; /* largest fragment violate MTU */
-	}
-	else if (skb->len > mtu && !skb_is_gso(skb)) {
+	} else if (ip_vs_exceeds_mtu(skb, mtu))
 		return true; /* Packet size violate MTU size */
-	}
+
 	return false;
 }
 
@@ -240,7 +251,7 @@ static inline bool ensure_mtu_is_adequate(struct netns_ipvs *ipvs, int skb_af,
 			return true;
 
 		if (unlikely(ip_hdr(skb)->frag_off & htons(IP_DF) &&
-			     skb->len > mtu && !skb_is_gso(skb) &&
+			     ip_vs_exceeds_mtu(skb, mtu) &&
 			     !ip_vs_iph_icmp(ipvsh))) {
 			icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED,
 				  htonl(mtu));
diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c
index def356f828cd8e..da00a770ca6d64 100644
--- a/net/netfilter/nf_conntrack_netlink.c
+++ b/net/netfilter/nf_conntrack_netlink.c
@@ -3486,7 +3486,7 @@ ctnetlink_change_expect(struct nf_conntrack_expect *x,
 
 #if IS_ENABLED(CONFIG_NF_NAT)
 static const struct nla_policy exp_nat_nla_policy[CTA_EXPECT_NAT_MAX+1] = {
-	[CTA_EXPECT_NAT_DIR]	= { .type = NLA_U32 },
+	[CTA_EXPECT_NAT_DIR]	= NLA_POLICY_MAX(NLA_BE32, IP_CT_DIR_REPLY),
 	[CTA_EXPECT_NAT_TUPLE]	= { .type = NLA_NESTED },
 };
 #endif
diff --git a/net/netfilter/nf_conntrack_proto_sctp.c b/net/netfilter/nf_conntrack_proto_sctp.c
index 7ffd698497f2ad..ae89f3c590e8be 100644
--- a/net/netfilter/nf_conntrack_proto_sctp.c
+++ b/net/netfilter/nf_conntrack_proto_sctp.c
@@ -484,9 +484,13 @@ int nf_conntrack_sctp_packet(struct nf_conn *ct,
 			if (!ih)
 				goto out_unlock;
 
-			if (ct->proto.sctp.init[dir] && ct->proto.sctp.init[!dir])
-				ct->proto.sctp.init[!dir] = 0;
-			ct->proto.sctp.init[dir] = 1;
+			/* Do not record INIT matching peer vtag (stale or retransmitted INIT). */
+			if (old_state == SCTP_CONNTRACK_NONE ||
+			    ct->proto.sctp.vtag[!dir] != ih->init_tag) {
+				if (ct->proto.sctp.init[dir] && ct->proto.sctp.init[!dir])
+					ct->proto.sctp.init[!dir] = 0;
+				ct->proto.sctp.init[dir] = 1;
+			}
 
 			pr_debug("Setting vtag %x for dir %d\n", ih->init_tag, !dir);
 			ct->proto.sctp.vtag[!dir] = ih->init_tag;
@@ -600,7 +604,8 @@ nla_put_failure:
 }
 
 static const struct nla_policy sctp_nla_policy[CTA_PROTOINFO_SCTP_MAX+1] = {
-	[CTA_PROTOINFO_SCTP_STATE]	    = { .type = NLA_U8 },
+	[CTA_PROTOINFO_SCTP_STATE]	    = NLA_POLICY_MAX(NLA_U8,
+							 SCTP_CONNTRACK_HEARTBEAT_SENT),
 	[CTA_PROTOINFO_SCTP_VTAG_ORIGINAL]  = { .type = NLA_U32 },
 	[CTA_PROTOINFO_SCTP_VTAG_REPLY]     = { .type = NLA_U32 },
 };
diff --git a/net/netfilter/nf_conntrack_sip.c b/net/netfilter/nf_conntrack_sip.c
index dcb0a5e592775f..4326d5ea0400d2 100644
--- a/net/netfilter/nf_conntrack_sip.c
+++ b/net/netfilter/nf_conntrack_sip.c
@@ -181,6 +181,57 @@ static int sip_parse_addr(const struct nf_conn *ct, const char *cp,
 	return 1;
 }
 
+/* Parse optional port number after IP address.
+ * Returns false on malformed input, true otherwise.
+ * If port is non-NULL, stores parsed port in network byte order.
+ * If no port is present, sets *port to default SIP port.
+ */
+static bool sip_parse_port(const char *dptr, const char **endp,
+			   const char *limit, __be16 *port)
+{
+	unsigned int p = 0;
+	int len = 0;
+
+	if (dptr >= limit)
+		return false;
+
+	if (*dptr != ':') {
+		if (port)
+			*port = htons(SIP_PORT);
+		if (endp)
+			*endp = dptr;
+		return true;
+	}
+
+	dptr++; /* skip ':' */
+
+	while (dptr < limit && isdigit(*dptr)) {
+		p = p * 10 + (*dptr - '0');
+		dptr++;
+		len++;
+		if (len > 5) /* max "65535" */
+			return false;
+	}
+
+	if (len == 0)
+		return false;
+
+	/* reached limit while parsing port */
+	if (dptr >= limit)
+		return false;
+
+	if (p < 1024 || p > 65535)
+		return false;
+
+	if (port)
+		*port = htons(p);
+
+	if (endp)
+		*endp = dptr;
+
+	return true;
+}
+
 /* skip ip address. returns its length. */
 static int epaddr_len(const struct nf_conn *ct, const char *dptr,
 		      const char *limit, int *shift)
@@ -193,11 +244,8 @@ static int epaddr_len(const struct nf_conn *ct, const char *dptr,
 		return 0;
 	}
 
-	/* Port number */
-	if (*dptr == ':') {
-		dptr++;
-		dptr += digits_len(ct, dptr, limit, shift);
-	}
+	if (!sip_parse_port(dptr, &dptr, limit, NULL))
+		return 0;
 	return dptr - aux;
 }
 
@@ -228,6 +276,51 @@ static int skp_epaddr_len(const struct nf_conn *ct, const char *dptr,
 	return epaddr_len(ct, dptr, limit, shift);
 }
 
+/* simple_strtoul stops after first non-number character.
+ * But as we're not dealing with c-strings, we can't rely on
+ * hitting \r,\n,\0 etc. before moving past end of buffer.
+ *
+ * This is a variant of simple_strtoul, but doesn't require
+ * a c-string.
+ *
+ * If value exceeds UINT_MAX, 0 is returned.
+ */
+static unsigned int sip_strtouint(const char *cp, unsigned int len, char **endp)
+{
+	const unsigned int max = sizeof("4294967295");
+	unsigned int olen = len;
+	const char *s = cp;
+	u64 result = 0;
+
+	if (len > max)
+		len = max;
+
+	while (olen > 0 && isdigit(*s)) {
+		unsigned int value;
+
+		if (len == 0)
+			goto err;
+
+		value = *s - '0';
+		result = result * 10 + value;
+
+		if (result > UINT_MAX)
+			goto err;
+		s++;
+		len--;
+		olen--;
+	}
+
+	if (endp)
+		*endp = (char *)s;
+
+	return result;
+err:
+	if (endp)
+		*endp = (char *)cp;
+	return 0;
+}
+
 /* Parse a SIP request line of the form:
  *
  * Request-Line = Method SP Request-URI SP SIP-Version CRLF
@@ -241,7 +334,6 @@ int ct_sip_parse_request(const struct nf_conn *ct,
 {
 	const char *start = dptr, *limit = dptr + datalen, *end;
 	unsigned int mlen;
-	unsigned int p;
 	int shift = 0;
 
 	/* Skip method and following whitespace */
@@ -267,14 +359,8 @@ int ct_sip_parse_request(const struct nf_conn *ct,
 
 	if (!sip_parse_addr(ct, dptr, &end, addr, limit, true))
 		return -1;
-	if (end < limit && *end == ':') {
-		end++;
-		p = simple_strtoul(end, (char **)&end, 10);
-		if (p < 1024 || p > 65535)
-			return -1;
-		*port = htons(p);
-	} else
-		*port = htons(SIP_PORT);
+	if (!sip_parse_port(end, &end, limit, port))
+		return -1;
 
 	if (end == dptr)
 		return 0;
@@ -509,7 +595,6 @@ int ct_sip_parse_header_uri(const struct nf_conn *ct, const char *dptr,
 			    union nf_inet_addr *addr, __be16 *port)
 {
 	const char *c, *limit = dptr + datalen;
-	unsigned int p;
 	int ret;
 
 	ret = ct_sip_walk_headers(ct, dptr, dataoff ? *dataoff : 0, datalen,
@@ -520,14 +605,8 @@ int ct_sip_parse_header_uri(const struct nf_conn *ct, const char *dptr,
 
 	if (!sip_parse_addr(ct, dptr + *matchoff, &c, addr, limit, true))
 		return -1;
-	if (*c == ':') {
-		c++;
-		p = simple_strtoul(c, (char **)&c, 10);
-		if (p < 1024 || p > 65535)
-			return -1;
-		*port = htons(p);
-	} else
-		*port = htons(SIP_PORT);
+	if (!sip_parse_port(c, &c, limit, port))
+		return -1;
 
 	if (dataoff)
 		*dataoff = c - dptr;
@@ -609,7 +688,7 @@ int ct_sip_parse_numerical_param(const struct nf_conn *ct, const char *dptr,
 		return 0;
 
 	start += strlen(name);
-	*val = simple_strtoul(start, &end, 0);
+	*val = sip_strtouint(start, limit - start, (char **)&end);
 	if (start == end)
 		return -1;
 	if (matchoff && matchlen) {
@@ -1065,6 +1144,8 @@ static int process_sdp(struct sk_buff *skb, unsigned int protoff,
 
 	mediaoff = sdpoff;
 	for (i = 0; i < ARRAY_SIZE(sdp_media_types); ) {
+		char *end;
+
 		if (ct_sip_get_sdp_header(ct, *dptr, mediaoff, *datalen,
 					  SDP_HDR_MEDIA, SDP_HDR_UNSPEC,
 					  &mediaoff, &medialen) <= 0)
@@ -1080,8 +1161,8 @@ static int process_sdp(struct sk_buff *skb, unsigned int protoff,
 		mediaoff += t->len;
 		medialen -= t->len;
 
-		port = simple_strtoul(*dptr + mediaoff, NULL, 10);
-		if (port == 0)
+		port = sip_strtouint(*dptr + mediaoff, *datalen - mediaoff, (char **)&end);
+		if (port == 0 || *dptr + mediaoff == end)
 			continue;
 		if (port < 1024 || port > 65535) {
 			nf_ct_helper_log(skb, ct, "wrong port %u", port);
@@ -1254,7 +1335,7 @@ static int process_register_request(struct sk_buff *skb, unsigned int protoff,
 	 */
 	if (ct_sip_get_header(ct, *dptr, 0, *datalen, SIP_HDR_EXPIRES,
 			      &matchoff, &matchlen) > 0)
-		expires = simple_strtoul(*dptr + matchoff, NULL, 10);
+		expires = sip_strtouint(*dptr + matchoff, *datalen - matchoff, NULL);
 
 	ret = ct_sip_parse_header_uri(ct, *dptr, NULL, *datalen,
 				      SIP_HDR_CONTACT, NULL,
@@ -1354,7 +1435,7 @@ static int process_register_response(struct sk_buff *skb, unsigned int protoff,
 
 	if (ct_sip_get_header(ct, *dptr, 0, *datalen, SIP_HDR_EXPIRES,
 			      &matchoff, &matchlen) > 0)
-		expires = simple_strtoul(*dptr + matchoff, NULL, 10);
+		expires = sip_strtouint(*dptr + matchoff, *datalen - matchoff, NULL);
 
 	while (1) {
 		unsigned int c_expires = expires;
@@ -1414,10 +1495,12 @@ static int process_sip_response(struct sk_buff *skb, unsigned int protoff,
 	struct nf_conn *ct = nf_ct_get(skb, &ctinfo);
 	unsigned int matchoff, matchlen, matchend;
 	unsigned int code, cseq, i;
+	char *end;
 
 	if (*datalen < strlen("SIP/2.0 200"))
 		return NF_ACCEPT;
-	code = simple_strtoul(*dptr + strlen("SIP/2.0 "), NULL, 10);
+	code = sip_strtouint(*dptr + strlen("SIP/2.0 "),
+			     *datalen - strlen("SIP/2.0 "), NULL);
 	if (!code) {
 		nf_ct_helper_log(skb, ct, "cannot get code");
 		return NF_DROP;
@@ -1428,8 +1511,8 @@ static int process_sip_response(struct sk_buff *skb, unsigned int protoff,
 		nf_ct_helper_log(skb, ct, "cannot parse cseq");
 		return NF_DROP;
 	}
-	cseq = simple_strtoul(*dptr + matchoff, NULL, 10);
-	if (!cseq && *(*dptr + matchoff) != '0') {
+	cseq = sip_strtouint(*dptr + matchoff, *datalen - matchoff, (char **)&end);
+	if (*dptr + matchoff == end) {
 		nf_ct_helper_log(skb, ct, "cannot get cseq");
 		return NF_DROP;
 	}
@@ -1478,6 +1561,7 @@ static int process_sip_request(struct sk_buff *skb, unsigned int protoff,
 
 	for (i = 0; i < ARRAY_SIZE(sip_handlers); i++) {
 		const struct sip_handler *handler;
+		char *end;
 
 		handler = &sip_handlers[i];
 		if (handler->request == NULL)
@@ -1494,8 +1578,8 @@ static int process_sip_request(struct sk_buff *skb, unsigned int protoff,
 			nf_ct_helper_log(skb, ct, "cannot parse cseq");
 			return NF_DROP;
 		}
-		cseq = simple_strtoul(*dptr + matchoff, NULL, 10);
-		if (!cseq && *(*dptr + matchoff) != '0') {
+		cseq = sip_strtouint(*dptr + matchoff, *datalen - matchoff, (char **)&end);
+		if (*dptr + matchoff == end) {
 			nf_ct_helper_log(skb, ct, "cannot get cseq");
 			return NF_DROP;
 		}
@@ -1571,7 +1655,7 @@ static int sip_help_tcp(struct sk_buff *skb, unsigned int protoff,
 				      &matchoff, &matchlen) <= 0)
 			break;
 
-		clen = simple_strtoul(dptr + matchoff, (char **)&end, 10);
+		clen = sip_strtouint(dptr + matchoff, datalen - matchoff, (char **)&end);
 		if (dptr + matchoff == end)
 			break;
 
diff --git a/net/netfilter/nf_nat_amanda.c b/net/netfilter/nf_nat_amanda.c
index 3bc7e0854efe4d..41c30065dae129 100644
--- a/net/netfilter/nf_nat_amanda.c
+++ b/net/netfilter/nf_nat_amanda.c
@@ -62,7 +62,7 @@ static unsigned int help(struct sk_buff *skb,
 		return NF_DROP;
 	}
 
-	sprintf(buffer, "%u", port);
+	snprintf(buffer, sizeof(buffer), "%u", port);
 	if (!nf_nat_mangle_udp_packet(skb, exp->master, ctinfo,
 				      protoff, matchoff, matchlen,
 				      buffer, strlen(buffer))) {
diff --git a/net/netfilter/nf_nat_sip.c b/net/netfilter/nf_nat_sip.c
index f0a735e868518f..390ff2d3c6bce0 100644
--- a/net/netfilter/nf_nat_sip.c
+++ b/net/netfilter/nf_nat_sip.c
@@ -68,25 +68,27 @@ static unsigned int mangle_packet(struct sk_buff *skb, unsigned int protoff,
 }
 
 static int sip_sprintf_addr(const struct nf_conn *ct, char *buffer,
+			    size_t size,
 			    const union nf_inet_addr *addr, bool delim)
 {
 	if (nf_ct_l3num(ct) == NFPROTO_IPV4)
-		return sprintf(buffer, "%pI4", &addr->ip);
+		return scnprintf(buffer, size, "%pI4", &addr->ip);
 	else {
 		if (delim)
-			return sprintf(buffer, "[%pI6c]", &addr->ip6);
+			return scnprintf(buffer, size, "[%pI6c]", &addr->ip6);
 		else
-			return sprintf(buffer, "%pI6c", &addr->ip6);
+			return scnprintf(buffer, size, "%pI6c", &addr->ip6);
 	}
 }
 
 static int sip_sprintf_addr_port(const struct nf_conn *ct, char *buffer,
+				 size_t size,
 				 const union nf_inet_addr *addr, u16 port)
 {
 	if (nf_ct_l3num(ct) == NFPROTO_IPV4)
-		return sprintf(buffer, "%pI4:%u", &addr->ip, port);
+		return scnprintf(buffer, size, "%pI4:%u", &addr->ip, port);
 	else
-		return sprintf(buffer, "[%pI6c]:%u", &addr->ip6, port);
+		return scnprintf(buffer, size, "[%pI6c]:%u", &addr->ip6, port);
 }
 
 static int map_addr(struct sk_buff *skb, unsigned int protoff,
@@ -119,7 +121,7 @@ static int map_addr(struct sk_buff *skb, unsigned int protoff,
 	if (nf_inet_addr_cmp(&newaddr, addr) && newport == port)
 		return 1;
 
-	buflen = sip_sprintf_addr_port(ct, buffer, &newaddr, ntohs(newport));
+	buflen = sip_sprintf_addr_port(ct, buffer, sizeof(buffer), &newaddr, ntohs(newport));
 	return mangle_packet(skb, protoff, dataoff, dptr, datalen,
 			     matchoff, matchlen, buffer, buflen);
 }
@@ -212,7 +214,7 @@ static unsigned int nf_nat_sip(struct sk_buff *skb, unsigned int protoff,
 					       &addr, true) > 0 &&
 		    nf_inet_addr_cmp(&addr, &ct->tuplehash[dir].tuple.src.u3) &&
 		    !nf_inet_addr_cmp(&addr, &ct->tuplehash[!dir].tuple.dst.u3)) {
-			buflen = sip_sprintf_addr(ct, buffer,
+			buflen = sip_sprintf_addr(ct, buffer, sizeof(buffer),
 					&ct->tuplehash[!dir].tuple.dst.u3,
 					true);
 			if (!mangle_packet(skb, protoff, dataoff, dptr, datalen,
@@ -229,7 +231,7 @@ static unsigned int nf_nat_sip(struct sk_buff *skb, unsigned int protoff,
 					       &addr, false) > 0 &&
 		    nf_inet_addr_cmp(&addr, &ct->tuplehash[dir].tuple.dst.u3) &&
 		    !nf_inet_addr_cmp(&addr, &ct->tuplehash[!dir].tuple.src.u3)) {
-			buflen = sip_sprintf_addr(ct, buffer,
+			buflen = sip_sprintf_addr(ct, buffer, sizeof(buffer),
 					&ct->tuplehash[!dir].tuple.src.u3,
 					false);
 			if (!mangle_packet(skb, protoff, dataoff, dptr, datalen,
@@ -244,10 +246,11 @@ static unsigned int nf_nat_sip(struct sk_buff *skb, unsigned int protoff,
 		if (ct_sip_parse_numerical_param(ct, *dptr, matchend, *datalen,
 						 "rport=", &poff, &plen,
 						 &n) > 0 &&
+		    n >= 1024 && n <= 65535 &&
 		    htons(n) == ct->tuplehash[dir].tuple.dst.u.udp.port &&
 		    htons(n) != ct->tuplehash[!dir].tuple.src.u.udp.port) {
 			__be16 p = ct->tuplehash[!dir].tuple.src.u.udp.port;
-			buflen = sprintf(buffer, "%u", ntohs(p));
+			buflen = scnprintf(buffer, sizeof(buffer), "%u", ntohs(p));
 			if (!mangle_packet(skb, protoff, dataoff, dptr, datalen,
 					   poff, plen, buffer, buflen)) {
 				nf_ct_helper_log(skb, ct, "cannot mangle rport");
@@ -430,7 +433,8 @@ static unsigned int nf_nat_sip_expect(struct sk_buff *skb, unsigned int protoff,
 
 	if (!nf_inet_addr_cmp(&exp->tuple.dst.u3, &exp->saved_addr) ||
 	    exp->tuple.dst.u.udp.port != exp->saved_proto.udp.port) {
-		buflen = sip_sprintf_addr_port(ct, buffer, &newaddr, port);
+		buflen = sip_sprintf_addr_port(ct, buffer, sizeof(buffer),
+					       &newaddr, port);
 		if (!mangle_packet(skb, protoff, dataoff, dptr, datalen,
 				   matchoff, matchlen, buffer, buflen)) {
 			nf_ct_helper_log(skb, ct, "cannot mangle packet");
@@ -450,8 +454,8 @@ static int mangle_content_len(struct sk_buff *skb, unsigned int protoff,
 {
 	enum ip_conntrack_info ctinfo;
 	struct nf_conn *ct = nf_ct_get(skb, &ctinfo);
+	char buffer[sizeof("4294967295")];
 	unsigned int matchoff, matchlen;
-	char buffer[sizeof("65536")];
 	int buflen, c_len;
 
 	/* Get actual SDP length */
@@ -466,7 +470,7 @@ static int mangle_content_len(struct sk_buff *skb, unsigned int protoff,
 			      &matchoff, &matchlen) <= 0)
 		return 0;
 
-	buflen = sprintf(buffer, "%u", c_len);
+	buflen = scnprintf(buffer, sizeof(buffer), "%u", c_len);
 	return mangle_packet(skb, protoff, dataoff, dptr, datalen,
 			     matchoff, matchlen, buffer, buflen);
 }
@@ -503,7 +507,7 @@ static unsigned int nf_nat_sdp_addr(struct sk_buff *skb, unsigned int protoff,
 	char buffer[INET6_ADDRSTRLEN];
 	unsigned int buflen;
 
-	buflen = sip_sprintf_addr(ct, buffer, addr, false);
+	buflen = sip_sprintf_addr(ct, buffer, sizeof(buffer), addr, false);
 	if (mangle_sdp_packet(skb, protoff, dataoff, dptr, datalen,
 			      sdpoff, type, term, buffer, buflen))
 		return 0;
@@ -521,7 +525,7 @@ static unsigned int nf_nat_sdp_port(struct sk_buff *skb, unsigned int protoff,
 	char buffer[sizeof("nnnnn")];
 	unsigned int buflen;
 
-	buflen = sprintf(buffer, "%u", port);
+	buflen = scnprintf(buffer, sizeof(buffer), "%u", port);
 	if (!mangle_packet(skb, protoff, dataoff, dptr, datalen,
 			   matchoff, matchlen, buffer, buflen))
 		return 0;
@@ -541,7 +545,7 @@ static unsigned int nf_nat_sdp_session(struct sk_buff *skb, unsigned int protoff
 	unsigned int buflen;
 
 	/* Mangle session description owner and contact addresses */
-	buflen = sip_sprintf_addr(ct, buffer, addr, false);
+	buflen = sip_sprintf_addr(ct, buffer, sizeof(buffer), addr, false);
 	if (mangle_sdp_packet(skb, protoff, dataoff, dptr, datalen, sdpoff,
 			      SDP_HDR_OWNER, SDP_HDR_MEDIA, buffer, buflen))
 		return 0;
diff --git a/net/netfilter/nf_queue.c b/net/netfilter/nf_queue.c
index 63d1516816b1fd..8695e99976cc50 100644
--- a/net/netfilter/nf_queue.c
+++ b/net/netfilter/nf_queue.c
@@ -60,6 +60,7 @@ static void nf_queue_entry_release_refs(struct nf_queue_entry *entry)
 	struct nf_hook_state *state = &entry->state;
 
 	/* Release those devices we held, or Alexey will kill me. */
+	dev_put(entry->skb_dev);
 	dev_put(state->in);
 	dev_put(state->out);
 	if (state->sk)
@@ -103,6 +104,7 @@ bool nf_queue_entry_get_refs(struct nf_queue_entry *entry)
 	if (state->sk && !refcount_inc_not_zero(&state->sk->sk_refcnt))
 		return false;
 
+	dev_hold(entry->skb_dev);
 	dev_hold(state->in);
 	dev_hold(state->out);
 
@@ -203,11 +205,11 @@ static int __nf_queue(struct sk_buff *skb, const struct nf_hook_state *state,
 
 	*entry = (struct nf_queue_entry) {
 		.skb	= skb,
+		.skb_dev = skb->dev,
 		.state	= *state,
 		.hook_index = index,
 		.size	= sizeof(*entry) + route_key_size,
 	};
-
 	__nf_queue_entry_init_physdevs(entry);
 
 	if (!nf_queue_entry_get_refs(entry)) {
diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index 53d7dd39a95bc7..623b776bf79260 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -5919,8 +5919,8 @@ static void __nft_set_elem_expr_destroy(const struct nft_ctx *ctx,
 	}
 }
 
-static void nft_set_elem_expr_destroy(const struct nft_ctx *ctx,
-				      struct nft_set_elem_expr *elem_expr)
+void nft_set_elem_expr_destroy(const struct nft_ctx *ctx,
+			       struct nft_set_elem_expr *elem_expr)
 {
 	struct nft_expr *expr;
 	u32 size;
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c
index 37d10c3d19b60e..db309c4167427d 100644
--- a/net/netfilter/nfnetlink_log.c
+++ b/net/netfilter/nfnetlink_log.c
@@ -350,10 +350,10 @@ static void
 __nfulnl_send(struct nfulnl_instance *inst)
 {
 	if (inst->qlen > 1) {
-		struct nlmsghdr *nlh = nlmsg_put(inst->skb, 0, 0,
-						 NLMSG_DONE,
-						 sizeof(struct nfgenmsg),
-						 0);
+		struct nlmsghdr *nlh = nfnl_msg_put(inst->skb, 0, 0,
+						    NLMSG_DONE, 0,
+						    AF_UNSPEC, NFNETLINK_V0,
+						    htons(inst->group_num));
 		if (WARN_ONCE(!nlh, "bad nlskb size: %u, tailroom %d\n",
 			      inst->skb->len, skb_tailroom(inst->skb))) {
 			kfree_skb(inst->skb);
diff --git a/net/netfilter/nfnetlink_osf.c b/net/netfilter/nfnetlink_osf.c
index da9d5d6de98f4d..6d3dfbeb398cb4 100644
--- a/net/netfilter/nfnetlink_osf.c
+++ b/net/netfilter/nfnetlink_osf.c
@@ -31,26 +31,18 @@ EXPORT_SYMBOL_GPL(nf_osf_fingers);
 static inline int nf_osf_ttl(const struct sk_buff *skb,
 			     int ttl_check, unsigned char f_ttl)
 {
-	struct in_device *in_dev = __in_dev_get_rcu(skb->dev);
 	const struct iphdr *ip = ip_hdr(skb);
-	const struct in_ifaddr *ifa;
-	int ret = 0;
 
-	if (ttl_check == NF_OSF_TTL_TRUE)
+	switch (ttl_check) {
+	case NF_OSF_TTL_TRUE:
 		return ip->ttl == f_ttl;
-	if (ttl_check == NF_OSF_TTL_NOCHECK)
-		return 1;
-	else if (ip->ttl <= f_ttl)
+		break;
+	case NF_OSF_TTL_NOCHECK:
 		return 1;
-
-	in_dev_for_each_ifa_rcu(ifa, in_dev) {
-		if (inet_ifa_match(ip->saddr, ifa)) {
-			ret = (ip->ttl == f_ttl);
-			break;
-		}
+	case NF_OSF_TTL_LESS:
+	default:
+		return ip->ttl <= f_ttl;
 	}
-
-	return ret;
 }
 
 struct nf_osf_hdr_ctx {
@@ -64,9 +56,9 @@ struct nf_osf_hdr_ctx {
 static bool nf_osf_match_one(const struct sk_buff *skb,
 			     const struct nf_osf_user_finger *f,
 			     int ttl_check,
-			     struct nf_osf_hdr_ctx *ctx)
+			     const struct nf_osf_hdr_ctx *ctx)
 {
-	const __u8 *optpinit = ctx->optp;
+	const __u8 *optp = ctx->optp;
 	unsigned int check_WSS = 0;
 	int fmatch = FMATCH_WRONG;
 	int foptsize, optnum;
@@ -95,17 +87,17 @@ static bool nf_osf_match_one(const struct sk_buff *skb,
 	check_WSS = f->wss.wc;
 
 	for (optnum = 0; optnum < f->opt_num; ++optnum) {
-		if (f->opt[optnum].kind == *ctx->optp) {
+		if (f->opt[optnum].kind == *optp) {
 			__u32 len = f->opt[optnum].length;
-			const __u8 *optend = ctx->optp + len;
+			const __u8 *optend = optp + len;
 
 			fmatch = FMATCH_OK;
 
-			switch (*ctx->optp) {
+			switch (*optp) {
 			case OSFOPT_MSS:
-				mss = ctx->optp[3];
+				mss = optp[3];
 				mss <<= 8;
-				mss |= ctx->optp[2];
+				mss |= optp[2];
 
 				mss = ntohs((__force __be16)mss);
 				break;
@@ -113,7 +105,7 @@ static bool nf_osf_match_one(const struct sk_buff *skb,
 				break;
 			}
 
-			ctx->optp = optend;
+			optp = optend;
 		} else
 			fmatch = FMATCH_OPT_WRONG;
 
@@ -156,9 +148,6 @@ static bool nf_osf_match_one(const struct sk_buff *skb,
 		}
 	}
 
-	if (fmatch != FMATCH_OK)
-		ctx->optp = optpinit;
-
 	return fmatch == FMATCH_OK;
 }
 
@@ -320,6 +309,10 @@ static int nfnl_osf_add_callback(struct sk_buff *skb,
 	if (f->opt_num > ARRAY_SIZE(f->opt))
 		return -EINVAL;
 
+	if (f->wss.wc >= OSF_WSS_MAX ||
+	    (f->wss.wc == OSF_WSS_MODULO && f->wss.val == 0))
+		return -EINVAL;
+
 	for (i = 0; i < f->opt_num; i++) {
 		if (!f->opt[i].length || f->opt[i].length > MAX_IPOPTLEN)
 			return -EINVAL;
diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c
index 3925fcb7a222cd..cb98afc2de5a52 100644
--- a/net/netfilter/nfnetlink_queue.c
+++ b/net/netfilter/nfnetlink_queue.c
@@ -944,6 +944,8 @@ dev_cmp(struct nf_queue_entry *entry, unsigned long ifindex)
 	if (physinif == ifindex || physoutif == ifindex)
 		return 1;
 #endif
+	if (entry->skb_dev && entry->skb_dev->ifindex == ifindex)
+		return 1;
 	if (entry->state.in)
 		if (entry->state.in->ifindex == ifindex)
 			return 1;
diff --git a/net/netfilter/nft_bitwise.c b/net/netfilter/nft_bitwise.c
index d6ab7aa14adc21..47129b8220e58e 100644
--- a/net/netfilter/nft_bitwise.c
+++ b/net/netfilter/nft_bitwise.c
@@ -149,7 +149,8 @@ static int nft_bitwise_init_shift(struct nft_bitwise *priv,
 	if (err < 0)
 		return err;
 
-	if (priv->data.data[0] >= BITS_PER_TYPE(u32)) {
+	if (!priv->data.data[0] ||
+	    priv->data.data[0] >= BITS_PER_TYPE(u32)) {
 		nft_data_release(&priv->data, desc.type);
 		return -EINVAL;
 	}
diff --git a/net/netfilter/nft_ct.c b/net/netfilter/nft_ct.c
index 4edb20592d7e32..4e723257f356d8 100644
--- a/net/netfilter/nft_ct.c
+++ b/net/netfilter/nft_ct.c
@@ -1299,6 +1299,8 @@ static void nft_ct_expect_obj_eval(struct nft_object *obj,
 
 	if (nf_ct_expect_related(exp, 0) != 0)
 		regs->verdict.code = NF_DROP;
+
+	nf_ct_expect_put(exp);
 }
 
 static const struct nla_policy nft_ct_expect_policy[NFTA_CT_EXPECT_MAX + 1] = {
diff --git a/net/netfilter/nft_dynset.c b/net/netfilter/nft_dynset.c
index ecdd4a60db9c58..673c5e6a3e8d60 100644
--- a/net/netfilter/nft_dynset.c
+++ b/net/netfilter/nft_dynset.c
@@ -30,18 +30,26 @@ static int nft_dynset_expr_setup(const struct nft_dynset *priv,
 				 const struct nft_set_ext *ext)
 {
 	struct nft_set_elem_expr *elem_expr = nft_set_ext_expr(ext);
+	struct nft_ctx ctx = {
+		.net	= read_pnet(&priv->set->net),
+		.family	= priv->set->table->family,
+	};
 	struct nft_expr *expr;
 	int i;
 
 	for (i = 0; i < priv->num_exprs; i++) {
 		expr = nft_setelem_expr_at(elem_expr, elem_expr->size);
 		if (nft_expr_clone(expr, priv->expr_array[i], GFP_ATOMIC) < 0)
-			return -1;
+			goto err_out;
 
 		elem_expr->size += priv->expr_array[i]->ops->size;
 	}
 
 	return 0;
+err_out:
+	nft_set_elem_expr_destroy(&ctx, elem_expr);
+
+	return -1;
 }
 
 static void *nft_dynset_new(struct nft_set *set, const struct nft_expr *expr,
diff --git a/net/netfilter/nft_fwd_netdev.c b/net/netfilter/nft_fwd_netdev.c
index 7730409f6f0911..09aff403884b55 100644
--- a/net/netfilter/nft_fwd_netdev.c
+++ b/net/netfilter/nft_fwd_netdev.c
@@ -113,6 +113,11 @@ static void nft_fwd_neigh_eval(const struct nft_expr *expr,
 			goto out;
 		}
 		iph = ip_hdr(skb);
+		if (iph->ttl <= 1) {
+			verdict = NF_DROP;
+			goto out;
+		}
+
 		ip_decrease_ttl(iph);
 		neigh_table = NEIGH_ARP_TABLE;
 		break;
@@ -129,6 +134,11 @@ static void nft_fwd_neigh_eval(const struct nft_expr *expr,
 			goto out;
 		}
 		ip6h = ipv6_hdr(skb);
+		if (ip6h->hop_limit <= 1) {
+			verdict = NF_DROP;
+			goto out;
+		}
+
 		ip6h->hop_limit--;
 		neigh_table = NEIGH_ND_TABLE;
 		break;
diff --git a/net/netfilter/nft_osf.c b/net/netfilter/nft_osf.c
index c9c124200a4dbe..8ee6a97fc7eebc 100644
--- a/net/netfilter/nft_osf.c
+++ b/net/netfilter/nft_osf.c
@@ -28,6 +28,11 @@ static void nft_osf_eval(const struct nft_expr *expr, struct nft_regs *regs,
 	struct nf_osf_data data;
 	struct tcphdr _tcph;
 
+	if (nft_pf(pkt) != NFPROTO_IPV4) {
+		regs->verdict.code = NFT_BREAK;
+		return;
+	}
+
 	if (pkt->tprot != IPPROTO_TCP) {
 		regs->verdict.code = NFT_BREAK;
 		return;
@@ -119,7 +124,6 @@ static int nft_osf_validate(const struct nft_ctx *ctx,
 
 	switch (ctx->family) {
 	case NFPROTO_IPV4:
-	case NFPROTO_IPV6:
 	case NFPROTO_INET:
 		hooks = (1 << NF_INET_LOCAL_IN) |
 			(1 << NF_INET_PRE_ROUTING) |
diff --git a/net/netfilter/nft_set_pipapo.c b/net/netfilter/nft_set_pipapo.c
index 01e58a9a039f86..4bede370c8b83a 100644
--- a/net/netfilter/nft_set_pipapo.c
+++ b/net/netfilter/nft_set_pipapo.c
@@ -525,6 +525,8 @@ static struct nft_pipapo_elem *pipapo_get(const struct net *net,
 	int i;
 
 	m = priv->clone;
+	if (m->bsize_max == 0)
+		return ret;
 
 	res_map = kmalloc_array(m->bsize_max, sizeof(*res_map), GFP_ATOMIC);
 	if (!res_map) {
@@ -1365,14 +1367,20 @@ static struct nft_pipapo_match *pipapo_clone(struct nft_pipapo_match *old)
 		       src->bsize * sizeof(*dst->lt) *
 		       src->groups * NFT_PIPAPO_BUCKETS(src->bb));
 
-		if (src->rules > (INT_MAX / sizeof(*src->mt)))
-			goto out_mt;
+		if (src->rules > 0) {
+			if (src->rules > (INT_MAX / sizeof(*src->mt)))
+				goto out_mt;
+
+			dst->mt = kvmalloc_array(src->rules, sizeof(*src->mt),
+						 GFP_KERNEL);
+			if (!dst->mt)
+				goto out_mt;
 
-		dst->mt = kvmalloc(src->rules * sizeof(*src->mt), GFP_KERNEL);
-		if (!dst->mt)
-			goto out_mt;
+			memcpy(dst->mt, src->mt, src->rules * sizeof(*src->mt));
+		} else {
+			dst->mt = NULL;
+		}
 
-		memcpy(dst->mt, src->mt, src->rules * sizeof(*src->mt));
 		src++;
 		dst++;
 	}
diff --git a/net/netfilter/nft_set_pipapo_avx2.c b/net/netfilter/nft_set_pipapo_avx2.c
index cf5683afaf8335..650bb3a457073a 100644
--- a/net/netfilter/nft_set_pipapo_avx2.c
+++ b/net/netfilter/nft_set_pipapo_avx2.c
@@ -242,7 +242,7 @@ static int nft_pipapo_avx2_lookup_4b_2(unsigned long *map, unsigned long *fill,
 
 		b = nft_pipapo_avx2_refill(i_ul, &map[i_ul], fill, f->mt, last);
 		if (last)
-			return b;
+			ret = b;
 
 		if (unlikely(ret == -1))
 			ret = b / XSAVE_YMM_SIZE;
@@ -319,7 +319,7 @@ static int nft_pipapo_avx2_lookup_4b_4(unsigned long *map, unsigned long *fill,
 
 		b = nft_pipapo_avx2_refill(i_ul, &map[i_ul], fill, f->mt, last);
 		if (last)
-			return b;
+			ret = b;
 
 		if (unlikely(ret == -1))
 			ret = b / XSAVE_YMM_SIZE;
@@ -414,7 +414,7 @@ static int nft_pipapo_avx2_lookup_4b_8(unsigned long *map, unsigned long *fill,
 
 		b = nft_pipapo_avx2_refill(i_ul, &map[i_ul], fill, f->mt, last);
 		if (last)
-			return b;
+			ret = b;
 
 		if (unlikely(ret == -1))
 			ret = b / XSAVE_YMM_SIZE;
@@ -505,7 +505,7 @@ static int nft_pipapo_avx2_lookup_4b_12(unsigned long *map, unsigned long *fill,
 
 		b = nft_pipapo_avx2_refill(i_ul, &map[i_ul], fill, f->mt, last);
 		if (last)
-			return b;
+			ret = b;
 
 		if (unlikely(ret == -1))
 			ret = b / XSAVE_YMM_SIZE;
@@ -641,7 +641,7 @@ static int nft_pipapo_avx2_lookup_4b_32(unsigned long *map, unsigned long *fill,
 
 		b = nft_pipapo_avx2_refill(i_ul, &map[i_ul], fill, f->mt, last);
 		if (last)
-			return b;
+			ret = b;
 
 		if (unlikely(ret == -1))
 			ret = b / XSAVE_YMM_SIZE;
@@ -699,7 +699,7 @@ static int nft_pipapo_avx2_lookup_8b_1(unsigned long *map, unsigned long *fill,
 
 		b = nft_pipapo_avx2_refill(i_ul, &map[i_ul], fill, f->mt, last);
 		if (last)
-			return b;
+			ret = b;
 
 		if (unlikely(ret == -1))
 			ret = b / XSAVE_YMM_SIZE;
@@ -764,7 +764,7 @@ static int nft_pipapo_avx2_lookup_8b_2(unsigned long *map, unsigned long *fill,
 
 		b = nft_pipapo_avx2_refill(i_ul, &map[i_ul], fill, f->mt, last);
 		if (last)
-			return b;
+			ret = b;
 
 		if (unlikely(ret == -1))
 			ret = b / XSAVE_YMM_SIZE;
@@ -839,7 +839,7 @@ static int nft_pipapo_avx2_lookup_8b_4(unsigned long *map, unsigned long *fill,
 
 		b = nft_pipapo_avx2_refill(i_ul, &map[i_ul], fill, f->mt, last);
 		if (last)
-			return b;
+			ret = b;
 
 		if (unlikely(ret == -1))
 			ret = b / XSAVE_YMM_SIZE;
@@ -925,7 +925,7 @@ static int nft_pipapo_avx2_lookup_8b_6(unsigned long *map, unsigned long *fill,
 
 		b = nft_pipapo_avx2_refill(i_ul, &map[i_ul], fill, f->mt, last);
 		if (last)
-			return b;
+			ret = b;
 
 		if (unlikely(ret == -1))
 			ret = b / XSAVE_YMM_SIZE;
@@ -1019,7 +1019,7 @@ static int nft_pipapo_avx2_lookup_8b_16(unsigned long *map, unsigned long *fill,
 
 		b = nft_pipapo_avx2_refill(i_ul, &map[i_ul], fill, f->mt, last);
 		if (last)
-			return b;
+			ret = b;
 
 		if (unlikely(ret == -1))
 			ret = b / XSAVE_YMM_SIZE;
diff --git a/net/netfilter/xt_mac.c b/net/netfilter/xt_mac.c
index 81649da57ba5d3..bd2354760895d2 100644
--- a/net/netfilter/xt_mac.c
+++ b/net/netfilter/xt_mac.c
@@ -38,25 +38,37 @@ static bool mac_mt(const struct sk_buff *skb, struct xt_action_param *par)
 	return ret;
 }
 
-static struct xt_match mac_mt_reg __read_mostly = {
-	.name      = "mac",
-	.revision  = 0,
-	.family    = NFPROTO_UNSPEC,
-	.match     = mac_mt,
-	.matchsize = sizeof(struct xt_mac_info),
-	.hooks     = (1 << NF_INET_PRE_ROUTING) | (1 << NF_INET_LOCAL_IN) |
-	             (1 << NF_INET_FORWARD),
-	.me        = THIS_MODULE,
+static struct xt_match mac_mt_reg[] __read_mostly = {
+	{
+		.name		= "mac",
+		.family		= NFPROTO_IPV4,
+		.match		= mac_mt,
+		.matchsize	= sizeof(struct xt_mac_info),
+		.hooks		= (1 << NF_INET_PRE_ROUTING) |
+				  (1 << NF_INET_LOCAL_IN) |
+				  (1 << NF_INET_FORWARD),
+		.me		= THIS_MODULE,
+	},
+	{
+		.name		= "mac",
+		.family		= NFPROTO_IPV6,
+		.match		= mac_mt,
+		.matchsize	= sizeof(struct xt_mac_info),
+		.hooks		= (1 << NF_INET_PRE_ROUTING) |
+				  (1 << NF_INET_LOCAL_IN) |
+				  (1 << NF_INET_FORWARD),
+		.me		= THIS_MODULE,
+	},
 };
 
 static int __init mac_mt_init(void)
 {
-	return xt_register_match(&mac_mt_reg);
+	return xt_register_matches(mac_mt_reg, ARRAY_SIZE(mac_mt_reg));
 }
 
 static void __exit mac_mt_exit(void)
 {
-	xt_unregister_match(&mac_mt_reg);
+	xt_unregister_matches(mac_mt_reg, ARRAY_SIZE(mac_mt_reg));
 }
 
 module_init(mac_mt_init);
diff --git a/net/netfilter/xt_multiport.c b/net/netfilter/xt_multiport.c
index 44a00f5acde8ae..a1691ff405d3c4 100644
--- a/net/netfilter/xt_multiport.c
+++ b/net/netfilter/xt_multiport.c
@@ -105,6 +105,28 @@ multiport_mt(const struct sk_buff *skb, struct xt_action_param *par)
 	return ports_match_v1(multiinfo, ntohs(pptr[0]), ntohs(pptr[1]));
 }
 
+static bool
+multiport_valid_ranges(const struct xt_multiport_v1 *multiinfo)
+{
+	unsigned int i;
+
+	for (i = 0; i < multiinfo->count; i++) {
+		if (!multiinfo->pflags[i])
+			continue;
+
+		if (++i >= multiinfo->count)
+			return false;
+
+		if (multiinfo->pflags[i])
+			return false;
+
+		if (multiinfo->ports[i - 1] > multiinfo->ports[i])
+			return false;
+	}
+
+	return true;
+}
+
 static inline bool
 check(u_int16_t proto,
       u_int8_t ip_invflags,
@@ -127,8 +149,10 @@ static int multiport_mt_check(const struct xt_mtchk_param *par)
 	const struct ipt_ip *ip = par->entryinfo;
 	const struct xt_multiport_v1 *multiinfo = par->matchinfo;
 
-	return check(ip->proto, ip->invflags, multiinfo->flags,
-		     multiinfo->count) ? 0 : -EINVAL;
+	if (!check(ip->proto, ip->invflags, multiinfo->flags, multiinfo->count))
+		return -EINVAL;
+
+	return multiport_valid_ranges(multiinfo) ? 0 : -EINVAL;
 }
 
 static int multiport_mt6_check(const struct xt_mtchk_param *par)
@@ -136,8 +160,10 @@ static int multiport_mt6_check(const struct xt_mtchk_param *par)
 	const struct ip6t_ip6 *ip = par->entryinfo;
 	const struct xt_multiport_v1 *multiinfo = par->matchinfo;
 
-	return check(ip->proto, ip->invflags, multiinfo->flags,
-		     multiinfo->count) ? 0 : -EINVAL;
+	if (!check(ip->proto, ip->invflags, multiinfo->flags, multiinfo->count))
+		return -EINVAL;
+
+	return multiport_valid_ranges(multiinfo) ? 0 : -EINVAL;
 }
 
 static struct xt_match multiport_mt_reg[] __read_mostly = {
diff --git a/net/netfilter/xt_owner.c b/net/netfilter/xt_owner.c
index 50332888c8d233..7be2fe22b067e8 100644
--- a/net/netfilter/xt_owner.c
+++ b/net/netfilter/xt_owner.c
@@ -127,26 +127,39 @@ owner_mt(const struct sk_buff *skb, struct xt_action_param *par)
 	return true;
 }
 
-static struct xt_match owner_mt_reg __read_mostly = {
-	.name       = "owner",
-	.revision   = 1,
-	.family     = NFPROTO_UNSPEC,
-	.checkentry = owner_check,
-	.match      = owner_mt,
-	.matchsize  = sizeof(struct xt_owner_match_info),
-	.hooks      = (1 << NF_INET_LOCAL_OUT) |
-	              (1 << NF_INET_POST_ROUTING),
-	.me         = THIS_MODULE,
+static struct xt_match owner_mt_reg[] __read_mostly = {
+	{
+		.name       = "owner",
+		.revision   = 1,
+		.family     = NFPROTO_IPV4,
+		.checkentry = owner_check,
+		.match      = owner_mt,
+		.matchsize  = sizeof(struct xt_owner_match_info),
+		.hooks      = (1 << NF_INET_LOCAL_OUT) |
+			      (1 << NF_INET_POST_ROUTING),
+		.me         = THIS_MODULE,
+	},
+	{
+		.name       = "owner",
+		.revision   = 1,
+		.family     = NFPROTO_IPV6,
+		.checkentry = owner_check,
+		.match      = owner_mt,
+		.matchsize  = sizeof(struct xt_owner_match_info),
+		.hooks      = (1 << NF_INET_LOCAL_OUT) |
+			      (1 << NF_INET_POST_ROUTING),
+		.me         = THIS_MODULE,
+	}
 };
 
 static int __init owner_mt_init(void)
 {
-	return xt_register_match(&owner_mt_reg);
+	return xt_register_matches(owner_mt_reg, ARRAY_SIZE(owner_mt_reg));
 }
 
 static void __exit owner_mt_exit(void)
 {
-	xt_unregister_match(&owner_mt_reg);
+	xt_unregister_matches(owner_mt_reg, ARRAY_SIZE(owner_mt_reg));
 }
 
 module_init(owner_mt_init);
diff --git a/net/netfilter/xt_physdev.c b/net/netfilter/xt_physdev.c
index ec6ed6fda96c59..6a596878d611f7 100644
--- a/net/netfilter/xt_physdev.c
+++ b/net/netfilter/xt_physdev.c
@@ -115,24 +115,33 @@ static int physdev_mt_check(const struct xt_mtchk_param *par)
 	return 0;
 }
 
-static struct xt_match physdev_mt_reg __read_mostly = {
-	.name       = "physdev",
-	.revision   = 0,
-	.family     = NFPROTO_UNSPEC,
-	.checkentry = physdev_mt_check,
-	.match      = physdev_mt,
-	.matchsize  = sizeof(struct xt_physdev_info),
-	.me         = THIS_MODULE,
+static struct xt_match physdev_mt_reg[] __read_mostly = {
+	{
+		.name		= "physdev",
+		.family		= NFPROTO_IPV4,
+		.checkentry	= physdev_mt_check,
+		.match		= physdev_mt,
+		.matchsize	= sizeof(struct xt_physdev_info),
+		.me		= THIS_MODULE,
+	},
+	{
+		.name		= "physdev",
+		.family		= NFPROTO_IPV6,
+		.checkentry	= physdev_mt_check,
+		.match		= physdev_mt,
+		.matchsize	= sizeof(struct xt_physdev_info),
+		.me		= THIS_MODULE,
+	},
 };
 
 static int __init physdev_mt_init(void)
 {
-	return xt_register_match(&physdev_mt_reg);
+	return xt_register_matches(physdev_mt_reg, ARRAY_SIZE(physdev_mt_reg));
 }
 
 static void __exit physdev_mt_exit(void)
 {
-	xt_unregister_match(&physdev_mt_reg);
+	xt_unregister_matches(physdev_mt_reg, ARRAY_SIZE(physdev_mt_reg));
 }
 
 module_init(physdev_mt_init);
diff --git a/net/netfilter/xt_policy.c b/net/netfilter/xt_policy.c
index cb6e8279010a4b..b5fa65558318f5 100644
--- a/net/netfilter/xt_policy.c
+++ b/net/netfilter/xt_policy.c
@@ -63,7 +63,7 @@ match_policy_in(const struct sk_buff *skb, const struct xt_policy_info *info,
 		return 0;
 
 	for (i = sp->len - 1; i >= 0; i--) {
-		pos = strict ? i - sp->len + 1 : 0;
+		pos = strict ? sp->len - i - 1 : 0;
 		if (pos >= info->len)
 			return 0;
 		e = &info->pol[pos];
diff --git a/net/netfilter/xt_realm.c b/net/netfilter/xt_realm.c
index 6df485f4403d02..61b2f1e58d1505 100644
--- a/net/netfilter/xt_realm.c
+++ b/net/netfilter/xt_realm.c
@@ -33,7 +33,7 @@ static struct xt_match realm_mt_reg __read_mostly = {
 	.matchsize	= sizeof(struct xt_realm_info),
 	.hooks		= (1 << NF_INET_POST_ROUTING) | (1 << NF_INET_FORWARD) |
 			  (1 << NF_INET_LOCAL_OUT) | (1 << NF_INET_LOCAL_IN),
-	.family		= NFPROTO_UNSPEC,
+	.family		= NFPROTO_IPV4,
 	.me		= THIS_MODULE
 };
 
diff --git a/net/netfilter/xt_socket.c b/net/netfilter/xt_socket.c
index 7013f55f05d1eb..5ff7d00786eee7 100644
--- a/net/netfilter/xt_socket.c
+++ b/net/netfilter/xt_socket.c
@@ -168,52 +168,41 @@ static int socket_mt_enable_defrag(struct net *net, int family)
 static int socket_mt_v1_check(const struct xt_mtchk_param *par)
 {
 	const struct xt_socket_mtinfo1 *info = (struct xt_socket_mtinfo1 *) par->matchinfo;
-	int err;
-
-	err = socket_mt_enable_defrag(par->net, par->family);
-	if (err)
-		return err;
 
 	if (info->flags & ~XT_SOCKET_FLAGS_V1) {
 		pr_info_ratelimited("unknown flags 0x%x\n",
 				    info->flags & ~XT_SOCKET_FLAGS_V1);
 		return -EINVAL;
 	}
-	return 0;
+
+	return socket_mt_enable_defrag(par->net, par->family);
 }
 
 static int socket_mt_v2_check(const struct xt_mtchk_param *par)
 {
 	const struct xt_socket_mtinfo2 *info = (struct xt_socket_mtinfo2 *) par->matchinfo;
-	int err;
-
-	err = socket_mt_enable_defrag(par->net, par->family);
-	if (err)
-		return err;
 
 	if (info->flags & ~XT_SOCKET_FLAGS_V2) {
 		pr_info_ratelimited("unknown flags 0x%x\n",
 				    info->flags & ~XT_SOCKET_FLAGS_V2);
 		return -EINVAL;
 	}
-	return 0;
+
+	return socket_mt_enable_defrag(par->net, par->family);
 }
 
 static int socket_mt_v3_check(const struct xt_mtchk_param *par)
 {
 	const struct xt_socket_mtinfo3 *info =
 				    (struct xt_socket_mtinfo3 *)par->matchinfo;
-	int err;
 
-	err = socket_mt_enable_defrag(par->net, par->family);
-	if (err)
-		return err;
 	if (info->flags & ~XT_SOCKET_FLAGS_V3) {
 		pr_info_ratelimited("unknown flags 0x%x\n",
 				    info->flags & ~XT_SOCKET_FLAGS_V3);
 		return -EINVAL;
 	}
-	return 0;
+
+	return socket_mt_enable_defrag(par->net, par->family);
 }
 
 static void socket_mt_destroy(const struct xt_mtdtor_param *par)
diff --git a/net/nfc/digital_technology.c b/net/nfc/digital_technology.c
index 3adf4589852aff..e29dd10f280ed7 100644
--- a/net/nfc/digital_technology.c
+++ b/net/nfc/digital_technology.c
@@ -424,6 +424,12 @@ static void digital_in_recv_sdd_res(struct nfc_digital_dev *ddev, void *arg,
 		size = 4;
 	}
 
+	if (target->nfcid1_len + size > NFC_NFCID1_MAXSIZE) {
+		PROTOCOL_ERR("4.7.2.1");
+		rc = -EPROTO;
+		goto exit;
+	}
+
 	memcpy(target->nfcid1 + target->nfcid1_len, sdd_res->nfcid1 + offset,
 	       size);
 	target->nfcid1_len += size;
diff --git a/net/nfc/llcp_core.c b/net/nfc/llcp_core.c
index 504245aeb4e2a8..e04634f22b49f4 100644
--- a/net/nfc/llcp_core.c
+++ b/net/nfc/llcp_core.c
@@ -1098,6 +1098,7 @@ static void nfc_llcp_recv_hdlc(struct nfc_llcp_local *local,
 	if (sk->sk_state == LLCP_CLOSED) {
 		release_sock(sk);
 		nfc_llcp_sock_put(llcp_sock);
+		return;
 	}
 
 	/* Pass the payload upstream */
@@ -1189,6 +1190,7 @@ static void nfc_llcp_recv_disc(struct nfc_llcp_local *local,
 	if (sk->sk_state == LLCP_CLOSED) {
 		release_sock(sk);
 		nfc_llcp_sock_put(llcp_sock);
+		return;
 	}
 
 	if (sk->sk_state == LLCP_CONNECTED) {
diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
index c28b56c3091690..16ee704bab04db 100644
--- a/net/openvswitch/datapath.c
+++ b/net/openvswitch/datapath.c
@@ -2110,9 +2110,40 @@ error:
 	return err;
 }
 
+static size_t ovs_vport_cmd_msg_size(void)
+{
+	size_t msgsize = NLMSG_ALIGN(sizeof(struct ovs_header));
+
+	msgsize += nla_total_size(sizeof(u32)); /* OVS_VPORT_ATTR_PORT_NO */
+	msgsize += nla_total_size(sizeof(u32)); /* OVS_VPORT_ATTR_TYPE */
+	msgsize += nla_total_size(IFNAMSIZ);    /* OVS_VPORT_ATTR_NAME */
+	msgsize += nla_total_size(sizeof(u32)); /* OVS_VPORT_ATTR_IFINDEX */
+	msgsize += nla_total_size(sizeof(s32)); /* OVS_VPORT_ATTR_NETNSID */
+
+	/* OVS_VPORT_ATTR_STATS */
+	msgsize += nla_total_size_64bit(sizeof(struct ovs_vport_stats));
+
+	/* OVS_VPORT_ATTR_UPCALL_STATS(OVS_VPORT_UPCALL_ATTR_SUCCESS +
+	 *                             OVS_VPORT_UPCALL_ATTR_FAIL)
+	 */
+	msgsize += nla_total_size(nla_total_size_64bit(sizeof(u64)) +
+				  nla_total_size_64bit(sizeof(u64)));
+
+	/* OVS_VPORT_ATTR_UPCALL_PID */
+	msgsize += nla_total_size(nr_cpu_ids * sizeof(u32));
+
+	/* OVS_VPORT_ATTR_OPTIONS(OVS_TUNNEL_ATTR_DST_PORT +
+	 *                        OVS_TUNNEL_ATTR_EXTENSION(OVS_VXLAN_EXT_GBP))
+	 */
+	msgsize += nla_total_size(nla_total_size(sizeof(u16)) +
+				  nla_total_size(nla_total_size(0)));
+
+	return msgsize;
+}
+
 static struct sk_buff *ovs_vport_cmd_alloc_info(void)
 {
-	return nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+	return genlmsg_new(ovs_vport_cmd_msg_size(), GFP_KERNEL);
 }
 
 /* Called with ovs_mutex, only via ovs_dp_notify_wq(). */
@@ -2122,7 +2153,7 @@ struct sk_buff *ovs_vport_cmd_build_info(struct vport *vport, struct net *net,
 	struct sk_buff *skb;
 	int retval;
 
-	skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
+	skb = ovs_vport_cmd_alloc_info();
 	if (!skb)
 		return ERR_PTR(-ENOMEM);
 
diff --git a/net/openvswitch/vport.c b/net/openvswitch/vport.c
index cf2ce581248968..25197e14c123bd 100644
--- a/net/openvswitch/vport.c
+++ b/net/openvswitch/vport.c
@@ -342,6 +342,9 @@ int ovs_vport_set_upcall_portids(struct vport *vport, const struct nlattr *ids)
 	if (!nla_len(ids) || nla_len(ids) % sizeof(u32))
 		return -EINVAL;
 
+	if (nla_len(ids) / sizeof(u32) > nr_cpu_ids)
+		return -EINVAL;
+
 	old = ovsl_dereference(vport->upcall_portids);
 
 	vport_portids = kmalloc(sizeof(*vport_portids) + nla_len(ids),
diff --git a/net/phonet/pep.c b/net/phonet/pep.c
index 1f46fff4208ced..ebfca69ac4d2c9 100644
--- a/net/phonet/pep.c
+++ b/net/phonet/pep.c
@@ -671,8 +671,23 @@ static int pep_do_rcv(struct sock *sk, struct sk_buff *skb)
 
 	/* Look for an existing pipe handle */
 	sknode = pep_find_pipe(&pn->hlist, &dst, pipe_handle);
-	if (sknode)
-		return sk_receive_skb(sknode, skb, 1);
+	if (sknode) {
+		int rc;
+
+		/* pep_do_rcv() runs from two contexts: from softirq via
+		 * phonet_rcv() -> __sk_receive_skb() with BH disabled,
+		 * and from process context via
+		 * release_sock() -> __release_sock(), which drops
+		 * the listener slock with spin_unlock_bh() before draining
+		 * the backlog.  The child pipe slock is taken below via
+		 * bh_lock_sock_nested(), which does not itself disable BH, so
+		 * disable BH here to keep both acquire contexts consistent.
+		 */
+		local_bh_disable();
+		rc = sk_receive_skb(sknode, skb, 1);
+		local_bh_enable();
+		return rc;
+	}
 
 	switch (hdr->message_id) {
 	case PNS_PEP_CONNECT_REQ:
diff --git a/net/qrtr/ns.c b/net/qrtr/ns.c
index 3c513e7ca2d5c3..c41e7b3b2fc2ad 100644
--- a/net/qrtr/ns.c
+++ b/net/qrtr/ns.c
@@ -23,6 +23,7 @@ static struct {
 	struct list_head lookups;
 	struct workqueue_struct *workqueue;
 	struct work_struct work;
+	void (*saved_data_ready)(struct sock *sk);
 	int local_node;
 } qrtr_ns;
 
@@ -788,6 +789,7 @@ int qrtr_ns_init(void)
 		goto err_sock;
 	}
 
+	qrtr_ns.saved_data_ready = qrtr_ns.sock->sk->sk_data_ready;
 	qrtr_ns.sock->sk->sk_data_ready = qrtr_ns_data_ready;
 
 	sq.sq_port = QRTR_PORT_CTRL;
@@ -828,6 +830,10 @@ int qrtr_ns_init(void)
 	return 0;
 
 err_wq:
+	write_lock_bh(&qrtr_ns.sock->sk->sk_callback_lock);
+	qrtr_ns.sock->sk->sk_data_ready = qrtr_ns.saved_data_ready;
+	write_unlock_bh(&qrtr_ns.sock->sk->sk_callback_lock);
+
 	destroy_workqueue(qrtr_ns.workqueue);
 err_sock:
 	sock_release(qrtr_ns.sock);
@@ -837,7 +843,12 @@ EXPORT_SYMBOL_GPL(qrtr_ns_init);
 
 void qrtr_ns_remove(void)
 {
+	write_lock_bh(&qrtr_ns.sock->sk->sk_callback_lock);
+	qrtr_ns.sock->sk->sk_data_ready = qrtr_ns.saved_data_ready;
+	write_unlock_bh(&qrtr_ns.sock->sk->sk_callback_lock);
+
 	cancel_work_sync(&qrtr_ns.work);
+	synchronize_net();
 	destroy_workqueue(qrtr_ns.workqueue);
 
 	/* sock_release() expects the two references that were put during
diff --git a/net/rds/af_rds.c b/net/rds/af_rds.c
index 0ec0ae1483492d..ca1b52372ab293 100644
--- a/net/rds/af_rds.c
+++ b/net/rds/af_rds.c
@@ -357,7 +357,8 @@ static int rds_cong_monitor(struct rds_sock *rs, sockptr_t optval, int optlen)
 	return ret;
 }
 
-static int rds_set_transport(struct rds_sock *rs, sockptr_t optval, int optlen)
+static int rds_set_transport(struct net *net, struct rds_sock *rs,
+			     sockptr_t optval, int optlen)
 {
 	int t_type;
 
@@ -373,6 +374,10 @@ static int rds_set_transport(struct rds_sock *rs, sockptr_t optval, int optlen)
 	if (t_type < 0 || t_type >= RDS_TRANS_COUNT)
 		return -EINVAL;
 
+	/* RDS/IB is restricted to the initial network namespace */
+	if (t_type != RDS_TRANS_TCP && !net_eq(net, &init_net))
+		return -EPROTOTYPE;
+
 	rs->rs_transport = rds_trans_get(t_type);
 
 	return rs->rs_transport ? 0 : -ENOPROTOOPT;
@@ -433,6 +438,7 @@ static int rds_setsockopt(struct socket *sock, int level, int optname,
 			  sockptr_t optval, unsigned int optlen)
 {
 	struct rds_sock *rs = rds_sk_to_rs(sock->sk);
+	struct net *net = sock_net(sock->sk);
 	int ret;
 
 	if (level != SOL_RDS) {
@@ -461,7 +467,7 @@ static int rds_setsockopt(struct socket *sock, int level, int optname,
 		break;
 	case SO_RDS_TRANSPORT:
 		lock_sock(sock->sk);
-		ret = rds_set_transport(rs, optval, optlen);
+		ret = rds_set_transport(net, rs, optval, optlen);
 		release_sock(sock->sk);
 		break;
 	case SO_TIMESTAMP_OLD:
diff --git a/net/rds/connection.c b/net/rds/connection.c
index 98c0d5ff9de9c6..cd41f83863c893 100644
--- a/net/rds/connection.c
+++ b/net/rds/connection.c
@@ -673,6 +673,13 @@ void rds_for_each_conn_info(struct socket *sock, unsigned int len,
 	     i++, head++) {
 		hlist_for_each_entry_rcu(conn, head, c_hash_node) {
 
+			/* Zero the per-item buffer before handing it to the
+			 * visitor so any field the visitor does not write -
+			 * including implicit alignment padding - cannot leak
+			 * stack contents to user space via rds_info_copy().
+			 */
+			memset(buffer, 0, item_len);
+
 			/* XXX no c_lock usage.. */
 			if (!visitor(conn, buffer))
 				continue;
@@ -722,6 +729,13 @@ static void rds_walk_conn_path_info(struct socket *sock, unsigned int len,
 			 */
 			cp = conn->c_path;
 
+			/* Zero the per-item buffer for the same reason as
+			 * rds_for_each_conn_info(): any byte the visitor
+			 * does not write (including alignment padding) must
+			 * not leak stack contents via rds_info_copy().
+			 */
+			memset(buffer, 0, item_len);
+
 			/* XXX no cp_lock usage.. */
 			if (!visitor(cp, buffer))
 				continue;
diff --git a/net/rds/ib.c b/net/rds/ib.c
index 24c9a9005a6fba..ec45664f387674 100644
--- a/net/rds/ib.c
+++ b/net/rds/ib.c
@@ -403,8 +403,8 @@ static void rds6_ib_ic_info(struct socket *sock, unsigned int len,
  * allowed to influence which paths have priority.  We could call userspace
  * asserting this policy "routing".
  */
-static int rds_ib_laddr_check(struct net *net, const struct in6_addr *addr,
-			      __u32 scope_id)
+static int rds_ib_laddr_check_cm(struct net *net, const struct in6_addr *addr,
+				 __u32 scope_id)
 {
 	int ret;
 	struct rdma_cm_id *cm_id;
@@ -489,6 +489,26 @@ out:
 	return ret;
 }
 
+static int rds_ib_laddr_check(struct net *net, const struct in6_addr *addr,
+			      __u32 scope_id)
+{
+	struct rds_ib_device *rds_ibdev = NULL;
+
+	/* RDS/IB is restricted to the initial network namespace */
+	if (!net_eq(net, &init_net))
+		return -EPROTOTYPE;
+
+	if (ipv6_addr_v4mapped(addr)) {
+		rds_ibdev = rds_ib_get_device(addr->s6_addr32[3]);
+		if (rds_ibdev) {
+			rds_ib_dev_put(rds_ibdev);
+			return 0;
+		}
+	}
+
+	return rds_ib_laddr_check_cm(net, addr, scope_id);
+}
+
 static void rds_ib_unregister_client(void)
 {
 	ib_unregister_client(&rds_ib_client);
diff --git a/net/rds/ib.h b/net/rds/ib.h
index 2ba71102b1f1f2..d6c1197731c1c2 100644
--- a/net/rds/ib.h
+++ b/net/rds/ib.h
@@ -384,6 +384,7 @@ void rds_ib_cm_connect_complete(struct rds_connection *conn,
 	__rds_ib_conn_error(conn, KERN_WARNING "RDS/IB: " fmt)
 
 /* ib_rdma.c */
+struct rds_ib_device *rds_ib_get_device(__be32 ipaddr);
 int rds_ib_update_ipaddr(struct rds_ib_device *rds_ibdev,
 			 struct in6_addr *ipaddr);
 void rds_ib_add_conn(struct rds_ib_device *rds_ibdev, struct rds_connection *conn);
diff --git a/net/rds/ib_rdma.c b/net/rds/ib_rdma.c
index 30fca2169aa7ab..468fd60d818ff3 100644
--- a/net/rds/ib_rdma.c
+++ b/net/rds/ib_rdma.c
@@ -47,7 +47,7 @@ struct rds_ib_dereg_odp_mr {
 
 static void rds_ib_odp_mr_worker(struct work_struct *work);
 
-static struct rds_ib_device *rds_ib_get_device(__be32 ipaddr)
+struct rds_ib_device *rds_ib_get_device(__be32 ipaddr)
 {
 	struct rds_ib_device *rds_ibdev;
 	struct rds_ib_ipaddr *i_ipaddr;
diff --git a/net/rds/message.c b/net/rds/message.c
index 8fa3d19c2e6674..987ef9ca5a8fd4 100644
--- a/net/rds/message.c
+++ b/net/rds/message.c
@@ -129,24 +129,34 @@ static void rds_rm_zerocopy_callback(struct rds_sock *rs,
  */
 static void rds_message_purge(struct rds_message *rm)
 {
+	struct rds_znotifier *znotifier;
 	unsigned long i, flags;
-	bool zcopy = false;
+	bool zcopy;
 
 	if (unlikely(test_bit(RDS_MSG_PAGEVEC, &rm->m_flags)))
 		return;
 
 	spin_lock_irqsave(&rm->m_rs_lock, flags);
+	znotifier = rm->data.op_mmp_znotifier;
+	rm->data.op_mmp_znotifier = NULL;
+	zcopy = !!znotifier;
+
 	if (rm->m_rs) {
 		struct rds_sock *rs = rm->m_rs;
 
-		if (rm->data.op_mmp_znotifier) {
-			zcopy = true;
-			rds_rm_zerocopy_callback(rs, rm->data.op_mmp_znotifier);
+		if (znotifier) {
+			rds_rm_zerocopy_callback(rs, znotifier);
 			rds_wake_sk_sleep(rs);
-			rm->data.op_mmp_znotifier = NULL;
 		}
 		sock_put(rds_rs_to_sk(rs));
 		rm->m_rs = NULL;
+	} else if (znotifier) {
+		/*
+		 * Zerocopy can fail before the message is queued on the
+		 * socket, so there is no rs to carry the notification.
+		 */
+		mm_unaccount_pinned_pages(&znotifier->z_mmp);
+		kfree(rds_info_from_znotifier(znotifier));
 	}
 	spin_unlock_irqrestore(&rm->m_rs_lock, flags);
 
@@ -399,6 +409,7 @@ static int rds_message_zcopy_from_user(struct rds_message *rm, struct iov_iter *
 
 			for (i = 0; i < rm->data.op_nents; i++)
 				put_page(sg_page(&rm->data.op_sg[i]));
+			rm->data.op_nents = 0;
 			mmp = &rm->data.op_mmp_znotifier->z_mmp;
 			mm_unaccount_pinned_pages(mmp);
 			ret = -EFAULT;
diff --git a/net/rds/rdma.c b/net/rds/rdma.c
index 3df0affff6b0f2..a02b29ad7f3496 100644
--- a/net/rds/rdma.c
+++ b/net/rds/rdma.c
@@ -326,10 +326,6 @@ static int __rds_rdma_map(struct rds_sock *rs, struct rds_get_mr_args *args,
 
 	if (args->cookie_addr &&
 	    put_user(cookie, (u64 __user *)(unsigned long)args->cookie_addr)) {
-		if (!need_odp) {
-			unpin_user_pages(pages, nr_pages);
-			kfree(sg);
-		}
 		ret = -EFAULT;
 		goto out;
 	}
diff --git a/net/rxrpc/call_object.c b/net/rxrpc/call_object.c
index 6401cdf7a62469..33165080f46855 100644
--- a/net/rxrpc/call_object.c
+++ b/net/rxrpc/call_object.c
@@ -634,11 +634,9 @@ void rxrpc_put_call(struct rxrpc_call *call, enum rxrpc_call_trace op)
 		_debug("call %d dead", call->debug_id);
 		ASSERTCMP(call->state, ==, RXRPC_CALL_COMPLETE);
 
-		if (!list_empty(&call->link)) {
-			spin_lock_bh(&rxnet->call_lock);
-			list_del_init(&call->link);
-			spin_unlock_bh(&rxnet->call_lock);
-		}
+		spin_lock_bh(&rxnet->call_lock);
+		list_del_rcu(&call->link);
+		spin_unlock_bh(&rxnet->call_lock);
 
 		rxrpc_cleanup_call(call);
 	}
@@ -709,24 +707,20 @@ void rxrpc_destroy_all_calls(struct rxrpc_net *rxnet)
 	_enter("");
 
 	if (!list_empty(&rxnet->calls)) {
-		spin_lock_bh(&rxnet->call_lock);
+		int shown = 0;
 
-		while (!list_empty(&rxnet->calls)) {
-			call = list_entry(rxnet->calls.next,
-					  struct rxrpc_call, link);
-			_debug("Zapping call %p", call);
+		spin_lock_bh(&rxnet->call_lock);
 
+		list_for_each_entry(call, &rxnet->calls, link) {
 			rxrpc_see_call(call);
-			list_del_init(&call->link);
 
 			pr_err("Call %p still in use (%d,%s,%lx,%lx)!\n",
 			       call, refcount_read(&call->ref),
 			       rxrpc_call_states[call->state],
 			       call->flags, call->events);
 
-			spin_unlock_bh(&rxnet->call_lock);
-			cond_resched();
-			spin_lock_bh(&rxnet->call_lock);
+			if (++shown >= 10)
+				break;
 		}
 
 		spin_unlock_bh(&rxnet->call_lock);
diff --git a/net/rxrpc/conn_event.c b/net/rxrpc/conn_event.c
index 5d91ef562ff78b..293922df2a891a 100644
--- a/net/rxrpc/conn_event.c
+++ b/net/rxrpc/conn_event.c
@@ -293,6 +293,7 @@ static int rxrpc_process_event(struct rxrpc_connection *conn,
 			       u32 *_abort_code)
 {
 	struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
+	bool secured = false;
 	__be32 wtmp;
 	u32 abort_code;
 	int loop, ret;
@@ -337,6 +338,13 @@ static int rxrpc_process_event(struct rxrpc_connection *conn,
 							    _abort_code);
 
 	case RXRPC_PACKET_TYPE_RESPONSE:
+		spin_lock_bh(&conn->state_lock);
+		if (conn->state != RXRPC_CONN_SERVICE_CHALLENGING) {
+			spin_unlock_bh(&conn->state_lock);
+			return 0;
+		}
+		spin_unlock_bh(&conn->state_lock);
+
 		ret = conn->security->verify_response(conn, skb, _abort_code);
 		if (ret < 0)
 			return ret;
@@ -348,17 +356,18 @@ static int rxrpc_process_event(struct rxrpc_connection *conn,
 
 		spin_lock(&conn->bundle->channel_lock);
 		spin_lock_bh(&conn->state_lock);
-
 		if (conn->state == RXRPC_CONN_SERVICE_CHALLENGING) {
 			conn->state = RXRPC_CONN_SERVICE;
-			spin_unlock_bh(&conn->state_lock);
+			secured = true;
+		}
+		spin_unlock_bh(&conn->state_lock);
+
+		if (secured) {
 			for (loop = 0; loop < RXRPC_MAXCALLS; loop++)
 				rxrpc_call_is_secure(
 					rcu_dereference_protected(
 						conn->channels[loop].call,
 						lockdep_is_held(&conn->bundle->channel_lock)));
-		} else {
-			spin_unlock_bh(&conn->state_lock);
 		}
 
 		spin_unlock(&conn->bundle->channel_lock);
diff --git a/net/rxrpc/key.c b/net/rxrpc/key.c
index 0892e155357025..c325af8e699dd5 100644
--- a/net/rxrpc/key.c
+++ b/net/rxrpc/key.c
@@ -72,7 +72,7 @@ static int rxrpc_preparse_xdr_rxkad(struct key_preparsed_payload *prep,
 		return -EKEYREJECTED;
 
 	plen = sizeof(*token) + sizeof(*token->kad) + tktlen;
-	prep->quotalen = datalen + plen;
+	prep->quotalen += datalen + plen;
 
 	plen -= sizeof(*token);
 	token = kzalloc(sizeof(*token), GFP_KERNEL);
@@ -303,6 +303,7 @@ static int rxrpc_preparse(struct key_preparsed_payload *prep)
 	memcpy(&kver, prep->data, sizeof(kver));
 	prep->data += sizeof(kver);
 	prep->datalen -= sizeof(kver);
+	prep->quotalen = 0;
 
 	_debug("KEY I/F VERSION: %u", kver);
 
@@ -339,8 +340,12 @@ static int rxrpc_preparse(struct key_preparsed_payload *prep)
 	if (v1->security_index != RXRPC_SECURITY_RXKAD)
 		goto error;
 
+	ret = -EKEYREJECTED;
+	if (v1->ticket_length > AFSTOKEN_RK_TIX_MAX)
+		goto error;
+
 	plen = sizeof(*token->kad) + v1->ticket_length;
-	prep->quotalen = plen + sizeof(*token);
+	prep->quotalen += plen + sizeof(*token);
 
 	ret = -ENOMEM;
 	token = kzalloc(sizeof(*token), GFP_KERNEL);
diff --git a/net/rxrpc/proc.c b/net/rxrpc/proc.c
index 245418943e01cc..47d36554ad3118 100644
--- a/net/rxrpc/proc.c
+++ b/net/rxrpc/proc.c
@@ -10,6 +10,10 @@
 #include <net/af_rxrpc.h>
 #include "ar-internal.h"
 
+#define RXRPC_PROC_ADDRBUF_SIZE \
+	(sizeof("[xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:255.255.255.255]") + \
+	 sizeof(":12345"))
+
 static const char *const rxrpc_conn_states[RXRPC_CONN__NR_STATES] = {
 	[RXRPC_CONN_UNUSED]			= "Unused  ",
 	[RXRPC_CONN_CLIENT]			= "Client  ",
@@ -55,7 +59,7 @@ static int rxrpc_call_seq_show(struct seq_file *seq, void *v)
 	struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq));
 	unsigned long timeout = 0;
 	rxrpc_seq_t tx_hard_ack, rx_hard_ack;
-	char lbuff[50], rbuff[50];
+	char lbuff[RXRPC_PROC_ADDRBUF_SIZE], rbuff[RXRPC_PROC_ADDRBUF_SIZE];
 
 	if (v == &rxnet->calls) {
 		seq_puts(seq,
@@ -72,7 +76,7 @@ static int rxrpc_call_seq_show(struct seq_file *seq, void *v)
 	if (rx) {
 		local = READ_ONCE(rx->local);
 		if (local)
-			sprintf(lbuff, "%pISpc", &local->srx.transport);
+			scnprintf(lbuff, sizeof(lbuff), "%pISpc", &local->srx.transport);
 		else
 			strcpy(lbuff, "no_local");
 	} else {
@@ -81,7 +85,7 @@ static int rxrpc_call_seq_show(struct seq_file *seq, void *v)
 
 	peer = call->peer;
 	if (peer)
-		sprintf(rbuff, "%pISpc", &peer->srx.transport);
+		scnprintf(rbuff, sizeof(rbuff), "%pISpc", &peer->srx.transport);
 	else
 		strcpy(rbuff, "no_connection");
 
@@ -152,7 +156,7 @@ static int rxrpc_connection_seq_show(struct seq_file *seq, void *v)
 {
 	struct rxrpc_connection *conn;
 	struct rxrpc_net *rxnet = rxrpc_net(seq_file_net(seq));
-	char lbuff[50], rbuff[50];
+	char lbuff[RXRPC_PROC_ADDRBUF_SIZE], rbuff[RXRPC_PROC_ADDRBUF_SIZE];
 
 	if (v == &rxnet->conn_proc_list) {
 		seq_puts(seq,
@@ -171,9 +175,9 @@ static int rxrpc_connection_seq_show(struct seq_file *seq, void *v)
 		goto print;
 	}
 
-	sprintf(lbuff, "%pISpc", &conn->params.local->srx.transport);
+	scnprintf(lbuff, sizeof(lbuff), "%pISpc", &conn->params.local->srx.transport);
 
-	sprintf(rbuff, "%pISpc", &conn->params.peer->srx.transport);
+	scnprintf(rbuff, sizeof(rbuff), "%pISpc", &conn->params.peer->srx.transport);
 print:
 	seq_printf(seq,
 		   "UDP   %-47.47s %-47.47s %4x %08x %s %3u"
@@ -210,7 +214,7 @@ static int rxrpc_peer_seq_show(struct seq_file *seq, void *v)
 {
 	struct rxrpc_peer *peer;
 	time64_t now;
-	char lbuff[50], rbuff[50];
+	char lbuff[RXRPC_PROC_ADDRBUF_SIZE], rbuff[RXRPC_PROC_ADDRBUF_SIZE];
 
 	if (v == SEQ_START_TOKEN) {
 		seq_puts(seq,
@@ -223,9 +227,9 @@ static int rxrpc_peer_seq_show(struct seq_file *seq, void *v)
 
 	peer = list_entry(v, struct rxrpc_peer, hash_link);
 
-	sprintf(lbuff, "%pISpc", &peer->local->srx.transport);
+	scnprintf(lbuff, sizeof(lbuff), "%pISpc", &peer->local->srx.transport);
 
-	sprintf(rbuff, "%pISpc", &peer->srx.transport);
+	scnprintf(rbuff, sizeof(rbuff), "%pISpc", &peer->srx.transport);
 
 	now = ktime_get_seconds();
 	seq_printf(seq,
@@ -335,7 +339,7 @@ const struct seq_operations rxrpc_peer_seq_ops = {
 static int rxrpc_local_seq_show(struct seq_file *seq, void *v)
 {
 	struct rxrpc_local *local;
-	char lbuff[50];
+	char lbuff[RXRPC_PROC_ADDRBUF_SIZE];
 
 	if (v == SEQ_START_TOKEN) {
 		seq_puts(seq,
@@ -346,7 +350,7 @@ static int rxrpc_local_seq_show(struct seq_file *seq, void *v)
 
 	local = hlist_entry(v, struct rxrpc_local, link);
 
-	sprintf(lbuff, "%pISpc", &local->srx.transport);
+	scnprintf(lbuff, sizeof(lbuff), "%pISpc", &local->srx.transport);
 
 	seq_printf(seq,
 		   "UDP   %-47.47s %3u %3u\n",
diff --git a/net/rxrpc/recvmsg.c b/net/rxrpc/recvmsg.c
index 250f23bc1c076d..b7783d2af6be3b 100644
--- a/net/rxrpc/recvmsg.c
+++ b/net/rxrpc/recvmsg.c
@@ -607,7 +607,8 @@ try_again:
 
 		if (after(call->rx_top, call->rx_hard_ack) &&
 		    call->rxtx_buffer[(call->rx_hard_ack + 1) & RXRPC_RXTX_BUFF_MASK])
-			rxrpc_notify_socket(call);
+			if (!(flags & MSG_PEEK))
+				rxrpc_notify_socket(call);
 		break;
 	default:
 		ret = 0;
@@ -642,11 +643,24 @@ error_unlock_call:
 error_requeue_call:
 	if (!(flags & MSG_PEEK)) {
 		write_lock_bh(&rx->recvmsg_lock);
-		list_add(&call->recvmsg_link, &rx->recvmsg_q);
-		write_unlock_bh(&rx->recvmsg_lock);
+		if (list_empty(&call->recvmsg_link)) {
+			list_add(&call->recvmsg_link, &rx->recvmsg_q);
+			trace_rxrpc_call(call->debug_id,
+					 rxrpc_call_see_recvmsg_requeue,
+					 refcount_read(&call->ref),
+					 __builtin_return_address(0), NULL);
+			write_unlock_bh(&rx->recvmsg_lock);
+		} else if (list_is_first(&call->recvmsg_link, &rx->recvmsg_q)) {
+			write_unlock_bh(&rx->recvmsg_lock);
+			rxrpc_put_call(call, rxrpc_call_see_recvmsg_requeue_first);
+		} else {
+			list_move(&call->recvmsg_link, &rx->recvmsg_q);
+			write_unlock_bh(&rx->recvmsg_lock);
+			rxrpc_put_call(call, rxrpc_call_see_recvmsg_requeue_move);
+		}
 		trace_rxrpc_recvmsg(call, rxrpc_recvmsg_requeue, 0, 0, 0, 0);
 	} else {
-		rxrpc_put_call(call, rxrpc_call_put);
+		rxrpc_put_call(call, rxrpc_call_put_recvmsg_peek_nowait);
 	}
 error_no_call:
 	release_sock(&rx->sk);
diff --git a/net/rxrpc/rxkad.c b/net/rxrpc/rxkad.c
index db47844f4ac997..45a64eafa20064 100644
--- a/net/rxrpc/rxkad.c
+++ b/net/rxrpc/rxkad.c
@@ -1013,8 +1013,13 @@ static int rxkad_decrypt_ticket(struct rxrpc_connection *conn,
 	sg_init_one(&sg[0], ticket, ticket_len);
 	skcipher_request_set_callback(req, 0, NULL, NULL);
 	skcipher_request_set_crypt(req, sg, sg, ticket_len, iv.x);
-	crypto_skcipher_decrypt(req);
+	ret = crypto_skcipher_decrypt(req);
 	skcipher_request_free(req);
+	if (ret < 0) {
+		abort_code = RXKADBADTICKET;
+		ret = -EPROTO;
+		goto other_error;
+	}
 
 	p = ticket;
 	end = p + ticket_len;
diff --git a/net/rxrpc/sendmsg.c b/net/rxrpc/sendmsg.c
index 71e40f91dd398b..b03d93d8b69d06 100644
--- a/net/rxrpc/sendmsg.c
+++ b/net/rxrpc/sendmsg.c
@@ -624,7 +624,7 @@ rxrpc_new_client_call_for_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg,
 
 	memset(&cp, 0, sizeof(cp));
 	cp.local		= rx->local;
-	cp.key			= rx->key;
+	cp.key			= key;
 	cp.security_level	= rx->min_sec_level;
 	cp.exclusive		= rx->exclusive | p->exclusive;
 	cp.upgrade		= p->upgrade;
diff --git a/net/sched/act_csum.c b/net/sched/act_csum.c
index 2f2fb0f7cc714f..277f6a93cc66e0 100644
--- a/net/sched/act_csum.c
+++ b/net/sched/act_csum.c
@@ -602,8 +602,12 @@ again:
 			protocol = skb->protocol;
 			orig_vlan_tag_present = true;
 		} else {
-			struct vlan_hdr *vlan = (struct vlan_hdr *)skb->data;
+			struct vlan_hdr *vlan;
 
+			if (!pskb_may_pull(skb, VLAN_HLEN))
+				goto drop;
+
+			vlan = (struct vlan_hdr *)skb->data;
 			protocol = vlan->h_vlan_encapsulated_proto;
 			skb_pull(skb, VLAN_HLEN);
 			skb_reset_network_header(skb);
diff --git a/net/sched/act_ct.c b/net/sched/act_ct.c
index 171ebf45947934..1639cc2869ef18 100644
--- a/net/sched/act_ct.c
+++ b/net/sched/act_ct.c
@@ -290,9 +290,13 @@ static int tcf_ct_flow_table_get(struct net *net, struct tcf_ct_params *params)
 	int err = -ENOMEM;
 
 	mutex_lock(&zones_mutex);
-	ct_ft = rhashtable_lookup_fast(&zones_ht, &key, zones_params);
-	if (ct_ft && refcount_inc_not_zero(&ct_ft->ref))
+	rcu_read_lock();
+	ct_ft = rhashtable_lookup(&zones_ht, &key, zones_params);
+	if (ct_ft && refcount_inc_not_zero(&ct_ft->ref)) {
+		rcu_read_unlock();
 		goto out_unlock;
+	}
+	rcu_read_unlock();
 
 	ct_ft = kzalloc(sizeof(*ct_ft), GFP_KERNEL);
 	if (!ct_ft)
diff --git a/net/sched/cls_u32.c b/net/sched/cls_u32.c
index 440c29dc058edf..23f9e2b5f3b601 100644
--- a/net/sched/cls_u32.c
+++ b/net/sched/cls_u32.c
@@ -149,10 +149,8 @@ next_knode:
 			int toff = off + key->off + (off2 & key->offmask);
 			__be32 *data, hdata;
 
-			if (skb_headroom(skb) + toff > INT_MAX)
-				goto out;
-
-			data = skb_header_pointer(skb, toff, 4, &hdata);
+			data = skb_header_pointer_careful(skb, toff, 4,
+							  &hdata);
 			if (!data)
 				goto out;
 			if ((*data ^ key->val) & key->mask) {
@@ -202,8 +200,9 @@ check_terminal:
 		if (ht->divisor) {
 			__be32 *data, hdata;
 
-			data = skb_header_pointer(skb, off + n->sel.hoff, 4,
-						  &hdata);
+			data = skb_header_pointer_careful(skb,
+							  off + n->sel.hoff,
+							  4, &hdata);
 			if (!data)
 				goto out;
 			sel = ht->divisor & u32_hash_fold(*data, &n->sel,
@@ -217,7 +216,7 @@ check_terminal:
 			if (n->sel.flags & TC_U32_VAROFFSET) {
 				__be16 *data, hdata;
 
-				data = skb_header_pointer(skb,
+				data = skb_header_pointer_careful(skb,
 							  off + n->sel.offoff,
 							  2, &hdata);
 				if (!data)
diff --git a/net/sched/sch_cake.c b/net/sched/sch_cake.c
index cfeda7b50cc2ee..46b93e30b60be2 100644
--- a/net/sched/sch_cake.c
+++ b/net/sched/sch_cake.c
@@ -619,7 +619,7 @@ static bool cake_update_flowkeys(struct flow_keys *keys,
 		}
 		port = rev ? tuple.src.u.all : tuple.dst.u.all;
 		if (port != keys->ports.dst) {
-			port = keys->ports.dst;
+			keys->ports.dst = port;
 			upd = true;
 		}
 	}
@@ -2313,10 +2313,11 @@ static void cake_set_rate(struct cake_tin_data *b, u64 rate, u32 mtu,
 
 	byte_target_ns = (byte_target * rate_ns) >> rate_shft;
 
-	b->cparams.target = max((byte_target_ns * 3) / 2, target_ns);
-	b->cparams.interval = max(rtt_est_ns +
-				     b->cparams.target - target_ns,
-				     b->cparams.target * 2);
+	WRITE_ONCE(b->cparams.target,
+		   max((byte_target_ns * 3) / 2, target_ns));
+	WRITE_ONCE(b->cparams.interval,
+		   max(rtt_est_ns + b->cparams.target - target_ns,
+		       b->cparams.target * 2));
 	b->cparams.mtu_time = byte_target_ns;
 	b->cparams.p_inc = 1 << 24; /* 1/256 */
 	b->cparams.p_dec = 1 << 20; /* 1/4096 */
@@ -2933,9 +2934,9 @@ static int cake_dump_stats(struct Qdisc *sch, struct gnet_dump *d)
 		PUT_TSTAT_U32(BACKLOG_BYTES, b->tin_backlog);
 
 		PUT_TSTAT_U32(TARGET_US,
-			      ktime_to_us(ns_to_ktime(b->cparams.target)));
+			      ktime_to_us(ns_to_ktime(READ_ONCE(b->cparams.target))));
 		PUT_TSTAT_U32(INTERVAL_US,
-			      ktime_to_us(ns_to_ktime(b->cparams.interval)));
+			      ktime_to_us(ns_to_ktime(READ_ONCE(b->cparams.interval))));
 
 		PUT_TSTAT_U32(SENT_PACKETS, b->packets);
 		PUT_TSTAT_U32(DROPPED_PACKETS, b->tin_dropped);
diff --git a/net/sched/sch_choke.c b/net/sched/sch_choke.c
index f3805bee995bba..7283f96dead624 100644
--- a/net/sched/sch_choke.c
+++ b/net/sched/sch_choke.c
@@ -60,7 +60,6 @@ struct choke_sched_data {
 		u32	forced_drop;	/* Forced drops, qavg > max_thresh */
 		u32	forced_mark;	/* Forced marks, qavg > max_thresh */
 		u32	pdrop;          /* Drops due to queue limits */
-		u32	other;          /* Drops due to drop() calls */
 		u32	matched;	/* Drops to flow match */
 	} stats;
 
@@ -230,7 +229,7 @@ static int choke_enqueue(struct sk_buff *skb, struct Qdisc *sch,
 
 		/* Draw a packet at random from queue and compare flow */
 		if (choke_match_random(q, skb, &idx)) {
-			q->stats.matched++;
+			WRITE_ONCE(q->stats.matched, q->stats.matched + 1);
 			choke_drop_by_idx(sch, idx, to_free);
 			goto congestion_drop;
 		}
@@ -242,11 +241,13 @@ static int choke_enqueue(struct sk_buff *skb, struct Qdisc *sch,
 			qdisc_qstats_overlimit(sch);
 			if (use_harddrop(q) || !use_ecn(q) ||
 			    !INET_ECN_set_ce(skb)) {
-				q->stats.forced_drop++;
+				WRITE_ONCE(q->stats.forced_drop,
+					   q->stats.forced_drop + 1);
 				goto congestion_drop;
 			}
 
-			q->stats.forced_mark++;
+			WRITE_ONCE(q->stats.forced_mark,
+				   q->stats.forced_mark + 1);
 		} else if (++q->vars.qcount) {
 			if (red_mark_probability(p, &q->vars, q->vars.qavg)) {
 				q->vars.qcount = 0;
@@ -254,11 +255,13 @@ static int choke_enqueue(struct sk_buff *skb, struct Qdisc *sch,
 
 				qdisc_qstats_overlimit(sch);
 				if (!use_ecn(q) || !INET_ECN_set_ce(skb)) {
-					q->stats.prob_drop++;
+					WRITE_ONCE(q->stats.prob_drop,
+					           q->stats.prob_drop + 1);
 					goto congestion_drop;
 				}
 
-				q->stats.prob_mark++;
+				WRITE_ONCE(q->stats.prob_mark,
+					   q->stats.prob_mark + 1);
 			}
 		} else
 			q->vars.qR = red_random(p);
@@ -273,7 +276,7 @@ static int choke_enqueue(struct sk_buff *skb, struct Qdisc *sch,
 		return NET_XMIT_SUCCESS;
 	}
 
-	q->stats.pdrop++;
+	WRITE_ONCE(q->stats.pdrop, q->stats.pdrop + 1);
 	return qdisc_drop(skb, sch, to_free);
 
 congestion_drop:
@@ -461,11 +464,12 @@ static int choke_dump_stats(struct Qdisc *sch, struct gnet_dump *d)
 {
 	struct choke_sched_data *q = qdisc_priv(sch);
 	struct tc_choke_xstats st = {
-		.early	= q->stats.prob_drop + q->stats.forced_drop,
-		.marked	= q->stats.prob_mark + q->stats.forced_mark,
-		.pdrop	= q->stats.pdrop,
-		.other	= q->stats.other,
-		.matched = q->stats.matched,
+		.early	= READ_ONCE(q->stats.prob_drop) +
+			  READ_ONCE(q->stats.forced_drop),
+		.marked	= READ_ONCE(q->stats.prob_mark) +
+			  READ_ONCE(q->stats.forced_mark),
+		.pdrop	= READ_ONCE(q->stats.pdrop),
+		.matched = READ_ONCE(q->stats.matched),
 	};
 
 	return gnet_stats_copy_app(d, &st, sizeof(st));
diff --git a/net/sched/sch_fq_codel.c b/net/sched/sch_fq_codel.c
index e56f80b8fefe6e..5e773e59938508 100644
--- a/net/sched/sch_fq_codel.c
+++ b/net/sched/sch_fq_codel.c
@@ -559,6 +559,8 @@ static int fq_codel_dump_stats(struct Qdisc *sch, struct gnet_dump *d)
 	};
 	struct list_head *pos;
 
+	sch_tree_lock(sch);
+
 	st.qdisc_stats.maxpacket = q->cstats.maxpacket;
 	st.qdisc_stats.drop_overlimit = q->drop_overlimit;
 	st.qdisc_stats.ecn_mark = q->cstats.ecn_mark;
@@ -567,7 +569,6 @@ static int fq_codel_dump_stats(struct Qdisc *sch, struct gnet_dump *d)
 	st.qdisc_stats.memory_usage  = q->memory_usage;
 	st.qdisc_stats.drop_overmemory = q->drop_overmemory;
 
-	sch_tree_lock(sch);
 	list_for_each(pos, &q->new_flows)
 		st.qdisc_stats.new_flows_len++;
 
diff --git a/net/sched/sch_fq_pie.c b/net/sched/sch_fq_pie.c
index 30259c87564511..910efc0630a148 100644
--- a/net/sched/sch_fq_pie.c
+++ b/net/sched/sch_fq_pie.c
@@ -499,18 +499,19 @@ nla_put_failure:
 static int fq_pie_dump_stats(struct Qdisc *sch, struct gnet_dump *d)
 {
 	struct fq_pie_sched_data *q = qdisc_priv(sch);
-	struct tc_fq_pie_xstats st = {
-		.packets_in	= q->stats.packets_in,
-		.overlimit	= q->stats.overlimit,
-		.overmemory	= q->overmemory,
-		.dropped	= q->stats.dropped,
-		.ecn_mark	= q->stats.ecn_mark,
-		.new_flow_count = q->new_flow_count,
-		.memory_usage   = q->memory_usage,
-	};
+	struct tc_fq_pie_xstats st = { 0 };
 	struct list_head *pos;
 
 	sch_tree_lock(sch);
+
+	st.packets_in	= q->stats.packets_in;
+	st.overlimit	= q->stats.overlimit;
+	st.overmemory	= q->overmemory;
+	st.dropped	= q->stats.dropped;
+	st.ecn_mark	= q->stats.ecn_mark;
+	st.new_flow_count = q->new_flow_count;
+	st.memory_usage   = q->memory_usage;
+
 	list_for_each(pos, &q->new_flows)
 		st.new_flows_len++;
 
diff --git a/net/sched/sch_gred.c b/net/sched/sch_gred.c
index 621dc6afde8f33..8caf9623f855ff 100644
--- a/net/sched/sch_gred.c
+++ b/net/sched/sch_gred.c
@@ -817,7 +817,6 @@ static int gred_dump(struct Qdisc *sch, struct sk_buff *skb)
 		opt.Wlog	= q->parms.Wlog;
 		opt.Plog	= q->parms.Plog;
 		opt.Scell_log	= q->parms.Scell_log;
-		opt.other	= q->stats.other;
 		opt.early	= q->stats.prob_drop;
 		opt.forced	= q->stats.forced_drop;
 		opt.pdrop	= q->stats.pdrop;
@@ -883,8 +882,6 @@ append_opt:
 			goto nla_put_failure;
 		if (nla_put_u32(skb, TCA_GRED_VQ_STAT_PDROP, q->stats.pdrop))
 			goto nla_put_failure;
-		if (nla_put_u32(skb, TCA_GRED_VQ_STAT_OTHER, q->stats.other))
-			goto nla_put_failure;
 
 		nla_nest_end(skb, vq);
 	}
diff --git a/net/sched/sch_hhf.c b/net/sched/sch_hhf.c
index 433bddcbc0c724..73cabb4451ce7a 100644
--- a/net/sched/sch_hhf.c
+++ b/net/sched/sch_hhf.c
@@ -198,7 +198,8 @@ static struct hh_flow_state *seek_list(const u32 hash,
 				return NULL;
 			list_del(&flow->flowchain);
 			kfree(flow);
-			q->hh_flows_current_cnt--;
+			WRITE_ONCE(q->hh_flows_current_cnt,
+				   q->hh_flows_current_cnt - 1);
 		} else if (flow->hash_id == hash) {
 			return flow;
 		}
@@ -226,7 +227,7 @@ static struct hh_flow_state *alloc_new_hh(struct list_head *head,
 	}
 
 	if (q->hh_flows_current_cnt >= q->hh_flows_limit) {
-		q->hh_flows_overlimit++;
+		WRITE_ONCE(q->hh_flows_overlimit, q->hh_flows_overlimit + 1);
 		return NULL;
 	}
 	/* Create new entry. */
@@ -234,7 +235,7 @@ static struct hh_flow_state *alloc_new_hh(struct list_head *head,
 	if (!flow)
 		return NULL;
 
-	q->hh_flows_current_cnt++;
+	WRITE_ONCE(q->hh_flows_current_cnt, q->hh_flows_current_cnt + 1);
 	INIT_LIST_HEAD(&flow->flowchain);
 	list_add_tail(&flow->flowchain, head);
 
@@ -309,7 +310,7 @@ static enum wdrr_bucket_idx hhf_classify(struct sk_buff *skb, struct Qdisc *sch)
 			return WDRR_BUCKET_FOR_NON_HH;
 		flow->hash_id = hash;
 		flow->hit_timestamp = now;
-		q->hh_flows_total_cnt++;
+		WRITE_ONCE(q->hh_flows_total_cnt, q->hh_flows_total_cnt + 1);
 
 		/* By returning without updating counters in q->hhf_arrays,
 		 * we implicitly implement "shielding" (see Optimization O1).
@@ -403,7 +404,7 @@ static int hhf_enqueue(struct sk_buff *skb, struct Qdisc *sch,
 		return NET_XMIT_SUCCESS;
 
 	prev_backlog = sch->qstats.backlog;
-	q->drop_overlimit++;
+	WRITE_ONCE(q->drop_overlimit, q->drop_overlimit + 1);
 	/* Return Congestion Notification only if we dropped a packet from this
 	 * bucket.
 	 */
@@ -681,10 +682,10 @@ static int hhf_dump_stats(struct Qdisc *sch, struct gnet_dump *d)
 {
 	struct hhf_sched_data *q = qdisc_priv(sch);
 	struct tc_hhf_xstats st = {
-		.drop_overlimit = q->drop_overlimit,
-		.hh_overlimit	= q->hh_flows_overlimit,
-		.hh_tot_count	= q->hh_flows_total_cnt,
-		.hh_cur_count	= q->hh_flows_current_cnt,
+		.drop_overlimit = READ_ONCE(q->drop_overlimit),
+		.hh_overlimit	= READ_ONCE(q->hh_flows_overlimit),
+		.hh_tot_count	= READ_ONCE(q->hh_flows_total_cnt),
+		.hh_cur_count	= READ_ONCE(q->hh_flows_current_cnt),
 	};
 
 	return gnet_stats_copy_app(d, &st, sizeof(st));
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index 951156d7e5485a..3e3bced82c564d 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -210,43 +210,43 @@ static bool loss_4state(struct netem_sched_data *q)
 	 * next state and if the next packet has to be transmitted or lost.
 	 * The four states correspond to:
 	 *   TX_IN_GAP_PERIOD => successfully transmitted packets within a gap period
-	 *   LOST_IN_BURST_PERIOD => isolated losses within a gap period
-	 *   LOST_IN_GAP_PERIOD => lost packets within a burst period
-	 *   TX_IN_GAP_PERIOD => successfully transmitted packets within a burst period
+	 *   LOST_IN_GAP_PERIOD => isolated losses within a gap period
+	 *   LOST_IN_BURST_PERIOD => lost packets within a burst period
+	 *   TX_IN_BURST_PERIOD => successfully transmitted packets within a burst period
 	 */
 	switch (clg->state) {
 	case TX_IN_GAP_PERIOD:
 		if (rnd < clg->a4) {
-			clg->state = LOST_IN_BURST_PERIOD;
-			return true;
-		} else if (clg->a4 < rnd && rnd < clg->a1 + clg->a4) {
 			clg->state = LOST_IN_GAP_PERIOD;
 			return true;
-		} else if (clg->a1 + clg->a4 < rnd) {
+		} else if (rnd < clg->a1 + clg->a4) {
+			clg->state = LOST_IN_BURST_PERIOD;
+			return true;
+		} else {
 			clg->state = TX_IN_GAP_PERIOD;
 		}
 
 		break;
 	case TX_IN_BURST_PERIOD:
 		if (rnd < clg->a5) {
-			clg->state = LOST_IN_GAP_PERIOD;
+			clg->state = LOST_IN_BURST_PERIOD;
 			return true;
 		} else {
 			clg->state = TX_IN_BURST_PERIOD;
 		}
 
 		break;
-	case LOST_IN_GAP_PERIOD:
+	case LOST_IN_BURST_PERIOD:
 		if (rnd < clg->a3)
 			clg->state = TX_IN_BURST_PERIOD;
-		else if (clg->a3 < rnd && rnd < clg->a2 + clg->a3) {
+		else if (rnd < clg->a2 + clg->a3) {
 			clg->state = TX_IN_GAP_PERIOD;
-		} else if (clg->a2 + clg->a3 < rnd) {
-			clg->state = LOST_IN_GAP_PERIOD;
+		} else {
+			clg->state = LOST_IN_BURST_PERIOD;
 			return true;
 		}
 		break;
-	case LOST_IN_BURST_PERIOD:
+	case LOST_IN_GAP_PERIOD:
 		clg->state = TX_IN_GAP_PERIOD;
 		break;
 	}
@@ -512,7 +512,7 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch,
 			1<<(prandom_u32() % 8);
 	}
 
-	if (unlikely(q->t_len >= sch->limit)) {
+	if (unlikely(sch->q.qlen >= sch->limit)) {
 		/* re-link segs, so that qdisc_drop_all() frees them all */
 		skb->next = segs;
 		qdisc_drop_all(skb, sch, to_free);
@@ -815,6 +815,29 @@ static int get_dist_table(struct disttable **tbl, const struct nlattr *attr)
 	return 0;
 }
 
+static int validate_slot(const struct nlattr *attr, struct netlink_ext_ack *extack)
+{
+	const struct tc_netem_slot *c = nla_data(attr);
+
+	if (c->min_delay < 0 || c->max_delay < 0) {
+		NL_SET_ERR_MSG_ATTR(extack, attr, "negative slot delay");
+		return -EINVAL;
+	}
+	if (c->min_delay > c->max_delay) {
+		NL_SET_ERR_MSG_ATTR(extack, attr, "slot min delay greater than max delay");
+		return -EINVAL;
+	}
+	if (c->dist_delay < 0 || c->dist_jitter < 0) {
+		NL_SET_ERR_MSG_ATTR(extack, attr, "negative dist delay");
+		return -EINVAL;
+	}
+	if (c->max_packets < 0 || c->max_bytes < 0) {
+		NL_SET_ERR_MSG_ATTR(extack, attr, "negative slot limit");
+		return -EINVAL;
+	}
+	return 0;
+}
+
 static void get_slot(struct netem_sched_data *q, const struct nlattr *attr)
 {
 	const struct tc_netem_slot *c = nla_data(attr);
@@ -1030,6 +1053,12 @@ static int netem_change(struct Qdisc *sch, struct nlattr *opt,
 			goto table_free;
 	}
 
+	if (tb[TCA_NETEM_SLOT]) {
+		ret = validate_slot(tb[TCA_NETEM_SLOT], extack);
+		if (ret)
+			goto table_free;
+	}
+
 	sch_tree_lock(sch);
 	/* backup q->clg and q->loss_model */
 	old_clg = q->clg;
diff --git a/net/sched/sch_pie.c b/net/sched/sch_pie.c
index 67ce65af52b5cd..ad0d8c892f120f 100644
--- a/net/sched/sch_pie.c
+++ b/net/sched/sch_pie.c
@@ -89,7 +89,7 @@ static int pie_qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch,
 	bool enqueue = false;
 
 	if (unlikely(qdisc_qlen(sch) >= sch->limit)) {
-		q->stats.overlimit++;
+		WRITE_ONCE(q->stats.overlimit, q->stats.overlimit + 1);
 		goto out;
 	}
 
@@ -101,7 +101,7 @@ static int pie_qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch,
 		/* If packet is ecn capable, mark it if drop probability
 		 * is lower than 10%, else drop it.
 		 */
-		q->stats.ecn_mark++;
+		WRITE_ONCE(q->stats.ecn_mark, q->stats.ecn_mark + 1);
 		enqueue = true;
 	}
 
@@ -111,15 +111,15 @@ static int pie_qdisc_enqueue(struct sk_buff *skb, struct Qdisc *sch,
 		if (!q->params.dq_rate_estimator)
 			pie_set_enqueue_time(skb);
 
-		q->stats.packets_in++;
+		WRITE_ONCE(q->stats.packets_in, q->stats.packets_in + 1);
 		if (qdisc_qlen(sch) > q->stats.maxq)
-			q->stats.maxq = qdisc_qlen(sch);
+			WRITE_ONCE(q->stats.maxq, qdisc_qlen(sch));
 
 		return qdisc_enqueue_tail(skb, sch);
 	}
 
 out:
-	q->stats.dropped++;
+	WRITE_ONCE(q->stats.dropped, q->stats.dropped + 1);
 	q->vars.accu_prob = 0;
 	return qdisc_drop(skb, sch, to_free);
 }
@@ -215,16 +215,14 @@ void pie_process_dequeue(struct sk_buff *skb, struct pie_params *params,
 	 * packet timestamp.
 	 */
 	if (!params->dq_rate_estimator) {
-		vars->qdelay = now - pie_get_enqueue_time(skb);
+		WRITE_ONCE(vars->qdelay,
+			   backlog ? now - pie_get_enqueue_time(skb) : 0);
 
 		if (vars->dq_tstamp != DTIME_INVALID)
 			dtime = now - vars->dq_tstamp;
 
 		vars->dq_tstamp = now;
 
-		if (backlog == 0)
-			vars->qdelay = 0;
-
 		if (dtime == 0)
 			return;
 
@@ -263,11 +261,11 @@ void pie_process_dequeue(struct sk_buff *skb, struct pie_params *params,
 			count = count / dtime;
 
 			if (vars->avg_dq_rate == 0)
-				vars->avg_dq_rate = count;
+				WRITE_ONCE(vars->avg_dq_rate, count);
 			else
-				vars->avg_dq_rate =
+				WRITE_ONCE(vars->avg_dq_rate,
 				    (vars->avg_dq_rate -
-				     (vars->avg_dq_rate >> 3)) + (count >> 3);
+				     (vars->avg_dq_rate >> 3)) + (count >> 3));
 
 			/* If the queue has receded below the threshold, we hold
 			 * on to the last drain rate calculated, else we reset
@@ -372,12 +370,12 @@ void pie_calculate_probability(struct pie_params *params, struct pie_vars *vars,
 	if (qdelay > (PSCHED_NS2TICKS(250 * NSEC_PER_MSEC)))
 		delta += MAX_PROB / (100 / 2);
 
-	vars->prob += delta;
+	WRITE_ONCE(vars->prob, vars->prob + delta);
 
 	if (delta > 0) {
 		/* prevent overflow */
 		if (vars->prob < oldprob) {
-			vars->prob = MAX_PROB;
+			WRITE_ONCE(vars->prob, MAX_PROB);
 			/* Prevent normalization error. If probability is at
 			 * maximum value already, we normalize it here, and
 			 * skip the check to do a non-linear drop in the next
@@ -388,7 +386,7 @@ void pie_calculate_probability(struct pie_params *params, struct pie_vars *vars,
 	} else {
 		/* prevent underflow */
 		if (vars->prob > oldprob)
-			vars->prob = 0;
+			WRITE_ONCE(vars->prob, 0);
 	}
 
 	/* Non-linear drop in probability: Reduce drop probability quickly if
@@ -397,9 +395,9 @@ void pie_calculate_probability(struct pie_params *params, struct pie_vars *vars,
 
 	if (qdelay == 0 && qdelay_old == 0 && update_prob)
 		/* Reduce drop probability to 98.4% */
-		vars->prob -= vars->prob / 64;
+		WRITE_ONCE(vars->prob, vars->prob - vars->prob / 64);
 
-	vars->qdelay = qdelay;
+	WRITE_ONCE(vars->qdelay, qdelay);
 	vars->backlog_old = backlog;
 
 	/* We restart the measurement cycle if the following conditions are met
@@ -493,22 +491,22 @@ static int pie_dump_stats(struct Qdisc *sch, struct gnet_dump *d)
 {
 	struct pie_sched_data *q = qdisc_priv(sch);
 	struct tc_pie_xstats st = {
-		.prob		= q->vars.prob << BITS_PER_BYTE,
-		.delay		= ((u32)PSCHED_TICKS2NS(q->vars.qdelay)) /
+		.prob		= READ_ONCE(q->vars.prob) << BITS_PER_BYTE,
+		.delay		= ((u32)PSCHED_TICKS2NS(READ_ONCE(q->vars.qdelay))) /
 				   NSEC_PER_USEC,
-		.packets_in	= q->stats.packets_in,
-		.overlimit	= q->stats.overlimit,
-		.maxq		= q->stats.maxq,
-		.dropped	= q->stats.dropped,
-		.ecn_mark	= q->stats.ecn_mark,
+		.packets_in	= READ_ONCE(q->stats.packets_in),
+		.overlimit	= READ_ONCE(q->stats.overlimit),
+		.maxq		= READ_ONCE(q->stats.maxq),
+		.dropped	= READ_ONCE(q->stats.dropped),
+		.ecn_mark	= READ_ONCE(q->stats.ecn_mark),
 	};
 
 	/* avg_dq_rate is only valid if dq_rate_estimator is enabled */
-	st.dq_rate_estimating = q->params.dq_rate_estimator;
+	st.dq_rate_estimating = READ_ONCE(q->params.dq_rate_estimator);
 
 	/* unscale and return dq_rate in bytes per sec */
-	if (q->params.dq_rate_estimator)
-		st.avg_dq_rate = q->vars.avg_dq_rate *
+	if (st.dq_rate_estimating)
+		st.avg_dq_rate = READ_ONCE(q->vars.avg_dq_rate) *
 				 (PSCHED_TICKS_PER_SEC) >> PIE_SCALE;
 
 	return gnet_stats_copy_app(d, &st, sizeof(st));
diff --git a/net/sched/sch_red.c b/net/sched/sch_red.c
index 1b69b7b90d8580..779f8779c762ad 100644
--- a/net/sched/sch_red.c
+++ b/net/sched/sch_red.c
@@ -89,17 +89,20 @@ static int red_enqueue(struct sk_buff *skb, struct Qdisc *sch,
 	case RED_PROB_MARK:
 		qdisc_qstats_overlimit(sch);
 		if (!red_use_ecn(q)) {
-			q->stats.prob_drop++;
+			WRITE_ONCE(q->stats.prob_drop,
+				   q->stats.prob_drop + 1);
 			goto congestion_drop;
 		}
 
 		if (INET_ECN_set_ce(skb)) {
-			q->stats.prob_mark++;
+			WRITE_ONCE(q->stats.prob_mark,
+				   q->stats.prob_mark + 1);
 			skb = tcf_qevent_handle(&q->qe_mark, sch, skb, to_free, &ret);
 			if (!skb)
 				return NET_XMIT_CN | ret;
 		} else if (!red_use_nodrop(q)) {
-			q->stats.prob_drop++;
+			WRITE_ONCE(q->stats.prob_drop,
+				   q->stats.prob_drop + 1);
 			goto congestion_drop;
 		}
 
@@ -109,17 +112,20 @@ static int red_enqueue(struct sk_buff *skb, struct Qdisc *sch,
 	case RED_HARD_MARK:
 		qdisc_qstats_overlimit(sch);
 		if (red_use_harddrop(q) || !red_use_ecn(q)) {
-			q->stats.forced_drop++;
+			WRITE_ONCE(q->stats.forced_drop,
+				   q->stats.forced_drop + 1);
 			goto congestion_drop;
 		}
 
 		if (INET_ECN_set_ce(skb)) {
-			q->stats.forced_mark++;
+			WRITE_ONCE(q->stats.forced_mark,
+				   q->stats.forced_mark + 1);
 			skb = tcf_qevent_handle(&q->qe_mark, sch, skb, to_free, &ret);
 			if (!skb)
 				return NET_XMIT_CN | ret;
 		} else if (!red_use_nodrop(q)) {
-			q->stats.forced_drop++;
+			WRITE_ONCE(q->stats.forced_drop,
+				   q->stats.forced_drop + 1);
 			goto congestion_drop;
 		}
 
@@ -133,7 +139,8 @@ static int red_enqueue(struct sk_buff *skb, struct Qdisc *sch,
 		sch->qstats.backlog += len;
 		sch->q.qlen++;
 	} else if (net_xmit_drop_count(ret)) {
-		q->stats.pdrop++;
+		WRITE_ONCE(q->stats.pdrop,
+			   q->stats.pdrop + 1);
 		qdisc_qstats_drop(sch);
 	}
 	return ret;
@@ -153,7 +160,7 @@ static struct sk_buff *red_dequeue(struct Qdisc *sch)
 	struct red_sched_data *q = qdisc_priv(sch);
 	struct Qdisc *child = q->qdisc;
 
-	skb = child->dequeue(child);
+	skb = qdisc_dequeue_peeked(child);
 	if (skb) {
 		qdisc_bstats_update(sch, skb);
 		qdisc_qstats_backlog_dec(sch, skb);
@@ -461,10 +468,13 @@ static int red_dump_stats(struct Qdisc *sch, struct gnet_dump *d)
 		dev->netdev_ops->ndo_setup_tc(dev, TC_SETUP_QDISC_RED,
 					      &hw_stats_request);
 	}
-	st.early = q->stats.prob_drop + q->stats.forced_drop;
-	st.pdrop = q->stats.pdrop;
-	st.other = q->stats.other;
-	st.marked = q->stats.prob_mark + q->stats.forced_mark;
+	st.early = READ_ONCE(q->stats.prob_drop) +
+		   READ_ONCE(q->stats.forced_drop);
+
+	st.pdrop = READ_ONCE(q->stats.pdrop);
+
+	st.marked = READ_ONCE(q->stats.prob_mark) +
+		    READ_ONCE(q->stats.forced_mark);
 
 	return gnet_stats_copy_app(d, &st, sizeof(st));
 }
diff --git a/net/sched/sch_sfb.c b/net/sched/sch_sfb.c
index 0490eb5b98dee9..497bc022fc0c10 100644
--- a/net/sched/sch_sfb.c
+++ b/net/sched/sch_sfb.c
@@ -130,7 +130,7 @@ static void increment_one_qlen(u32 sfbhash, u32 slot, struct sfb_sched_data *q)
 
 		sfbhash >>= SFB_BUCKET_SHIFT;
 		if (b[hash].qlen < 0xFFFF)
-			b[hash].qlen++;
+			WRITE_ONCE(b[hash].qlen, b[hash].qlen + 1);
 		b += SFB_NUMBUCKETS; /* next level */
 	}
 }
@@ -159,7 +159,7 @@ static void decrement_one_qlen(u32 sfbhash, u32 slot,
 
 		sfbhash >>= SFB_BUCKET_SHIFT;
 		if (b[hash].qlen > 0)
-			b[hash].qlen--;
+			WRITE_ONCE(b[hash].qlen, b[hash].qlen - 1);
 		b += SFB_NUMBUCKETS; /* next level */
 	}
 }
@@ -179,12 +179,12 @@ static void decrement_qlen(const struct sk_buff *skb, struct sfb_sched_data *q)
 
 static void decrement_prob(struct sfb_bucket *b, struct sfb_sched_data *q)
 {
-	b->p_mark = prob_minus(b->p_mark, q->decrement);
+	WRITE_ONCE(b->p_mark, prob_minus(b->p_mark, q->decrement));
 }
 
 static void increment_prob(struct sfb_bucket *b, struct sfb_sched_data *q)
 {
-	b->p_mark = prob_plus(b->p_mark, q->increment);
+	WRITE_ONCE(b->p_mark, prob_plus(b->p_mark, q->increment));
 }
 
 static void sfb_zero_all_buckets(struct sfb_sched_data *q)
@@ -202,11 +202,14 @@ static u32 sfb_compute_qlen(u32 *prob_r, u32 *avgpm_r, const struct sfb_sched_da
 	const struct sfb_bucket *b = &q->bins[q->slot].bins[0][0];
 
 	for (i = 0; i < SFB_LEVELS * SFB_NUMBUCKETS; i++) {
-		if (qlen < b->qlen)
-			qlen = b->qlen;
-		totalpm += b->p_mark;
-		if (prob < b->p_mark)
-			prob = b->p_mark;
+		u32 b_qlen = READ_ONCE(b->qlen);
+		u32 b_mark = READ_ONCE(b->p_mark);
+
+		if (qlen < b_qlen)
+			qlen = b_qlen;
+		totalpm += b_mark;
+		if (prob < b_mark)
+			prob = b_mark;
 		b++;
 	}
 	*prob_r = prob;
@@ -294,7 +297,8 @@ static int sfb_enqueue(struct sk_buff *skb, struct Qdisc *sch,
 
 	if (unlikely(sch->q.qlen >= q->limit)) {
 		qdisc_qstats_overlimit(sch);
-		q->stats.queuedrop++;
+		WRITE_ONCE(q->stats.queuedrop,
+			   q->stats.queuedrop + 1);
 		goto drop;
 	}
 
@@ -347,7 +351,8 @@ static int sfb_enqueue(struct sk_buff *skb, struct Qdisc *sch,
 
 	if (unlikely(minqlen >= q->max)) {
 		qdisc_qstats_overlimit(sch);
-		q->stats.bucketdrop++;
+		WRITE_ONCE(q->stats.bucketdrop,
+			   q->stats.bucketdrop + 1);
 		goto drop;
 	}
 
@@ -373,7 +378,8 @@ static int sfb_enqueue(struct sk_buff *skb, struct Qdisc *sch,
 		}
 		if (sfb_rate_limit(skb, q)) {
 			qdisc_qstats_overlimit(sch);
-			q->stats.penaltydrop++;
+			WRITE_ONCE(q->stats.penaltydrop,
+				   q->stats.penaltydrop + 1);
 			goto drop;
 		}
 		goto enqueue;
@@ -388,14 +394,17 @@ static int sfb_enqueue(struct sk_buff *skb, struct Qdisc *sch,
 			 * In either case, we want to start dropping packets.
 			 */
 			if (r < (p_min - SFB_MAX_PROB / 2) * 2) {
-				q->stats.earlydrop++;
+				WRITE_ONCE(q->stats.earlydrop,
+					   q->stats.earlydrop + 1);
 				goto drop;
 			}
 		}
 		if (INET_ECN_set_ce(skb)) {
-			q->stats.marked++;
+			WRITE_ONCE(q->stats.marked,
+				   q->stats.marked + 1);
 		} else {
-			q->stats.earlydrop++;
+			WRITE_ONCE(q->stats.earlydrop,
+				   q->stats.earlydrop + 1);
 			goto drop;
 		}
 	}
@@ -408,7 +417,8 @@ enqueue:
 		sch->q.qlen++;
 		increment_qlen(&cb, q);
 	} else if (net_xmit_drop_count(ret)) {
-		q->stats.childdrop++;
+		WRITE_ONCE(q->stats.childdrop,
+			   q->stats.childdrop + 1);
 		qdisc_qstats_drop(sch);
 	}
 	return ret;
@@ -597,12 +607,12 @@ static int sfb_dump_stats(struct Qdisc *sch, struct gnet_dump *d)
 {
 	struct sfb_sched_data *q = qdisc_priv(sch);
 	struct tc_sfb_xstats st = {
-		.earlydrop = q->stats.earlydrop,
-		.penaltydrop = q->stats.penaltydrop,
-		.bucketdrop = q->stats.bucketdrop,
-		.queuedrop = q->stats.queuedrop,
-		.childdrop = q->stats.childdrop,
-		.marked = q->stats.marked,
+		.earlydrop = READ_ONCE(q->stats.earlydrop),
+		.penaltydrop = READ_ONCE(q->stats.penaltydrop),
+		.bucketdrop = READ_ONCE(q->stats.bucketdrop),
+		.queuedrop = READ_ONCE(q->stats.queuedrop),
+		.childdrop = READ_ONCE(q->stats.childdrop),
+		.marked = READ_ONCE(q->stats.marked),
 	};
 
 	st.maxqlen = sfb_compute_qlen(&st.maxprob, &st.avgprob, q);
diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c
index 44b971ef343ce5..8e7c0a3034cc41 100644
--- a/net/sched/sch_taprio.c
+++ b/net/sched/sch_taprio.c
@@ -37,11 +37,11 @@ static DEFINE_SPINLOCK(taprio_list_lock);
 struct sched_entry {
 	struct list_head list;
 
-	/* The instant that this entry "closes" and the next one
+	/* The instant that this entry ends and the next one
 	 * should open, the qdisc will make some effort so that no
 	 * packet leaves after this time.
 	 */
-	ktime_t close_time;
+	ktime_t end_time;
 	ktime_t next_txtime;
 	atomic_t budget;
 	int index;
@@ -54,7 +54,7 @@ struct sched_gate_list {
 	struct rcu_head rcu;
 	struct list_head entries;
 	size_t num_entries;
-	ktime_t cycle_close_time;
+	ktime_t cycle_end_time;
 	s64 cycle_time;
 	s64 cycle_time_extension;
 	s64 base_time;
@@ -78,8 +78,6 @@ struct taprio_sched {
 	struct sched_gate_list __rcu *admin_sched;
 	struct hrtimer advance_timer;
 	struct list_head taprio_list;
-	struct sk_buff *(*dequeue)(struct Qdisc *sch);
-	struct sk_buff *(*peek)(struct Qdisc *sch);
 	u32 txtime_delay;
 };
 
@@ -434,6 +432,9 @@ static int taprio_enqueue_one(struct sk_buff *skb, struct Qdisc *sch,
 	return qdisc_enqueue(skb, child, to_free);
 }
 
+/* Will not be called in the full offload case, since the TX queues are
+ * attached to the Qdisc created using qdisc_create_dflt()
+ */
 static int taprio_enqueue(struct sk_buff *skb, struct Qdisc *sch,
 			  struct sk_buff **to_free)
 {
@@ -441,11 +442,6 @@ static int taprio_enqueue(struct sk_buff *skb, struct Qdisc *sch,
 	struct Qdisc *child;
 	int queue;
 
-	if (unlikely(FULL_OFFLOAD_IS_ENABLED(q->flags))) {
-		WARN_ONCE(1, "Trying to enqueue skb into the root of a taprio qdisc configured with full offload\n");
-		return qdisc_drop(skb, sch, to_free);
-	}
-
 	queue = skb_get_queue_mapping(skb);
 
 	child = q->qdiscs[queue];
@@ -491,7 +487,10 @@ static int taprio_enqueue(struct sk_buff *skb, struct Qdisc *sch,
 	return taprio_enqueue_one(skb, sch, child, to_free);
 }
 
-static struct sk_buff *taprio_peek_soft(struct Qdisc *sch)
+/* Will not be called in the full offload case, since the TX queues are
+ * attached to the Qdisc created using qdisc_create_dflt()
+ */
+static struct sk_buff *taprio_peek(struct Qdisc *sch)
 {
 	struct taprio_sched *q = qdisc_priv(sch);
 	struct net_device *dev = qdisc_dev(sch);
@@ -535,28 +534,77 @@ static struct sk_buff *taprio_peek_soft(struct Qdisc *sch)
 	return NULL;
 }
 
-static struct sk_buff *taprio_peek_offload(struct Qdisc *sch)
+static void taprio_set_budget(struct taprio_sched *q, struct sched_entry *entry)
 {
-	WARN_ONCE(1, "Trying to peek into the root of a taprio qdisc configured with full offload\n");
-
-	return NULL;
+	atomic_set(&entry->budget,
+		   div64_u64((u64)entry->interval * 1000,
+			     atomic64_read(&q->picos_per_byte)));
 }
 
-static struct sk_buff *taprio_peek(struct Qdisc *sch)
+static struct sk_buff *taprio_dequeue_from_txq(struct Qdisc *sch, int txq,
+					       struct sched_entry *entry,
+					       u32 gate_mask)
 {
 	struct taprio_sched *q = qdisc_priv(sch);
+	struct net_device *dev = qdisc_dev(sch);
+	struct Qdisc *child = q->qdiscs[txq];
+	struct sk_buff *skb;
+	ktime_t guard;
+	int prio;
+	int len;
+	u8 tc;
 
-	return q->peek(sch);
-}
+	if (unlikely(!child))
+		return NULL;
 
-static void taprio_set_budget(struct taprio_sched *q, struct sched_entry *entry)
-{
-	atomic_set(&entry->budget,
-		   div64_u64((u64)entry->interval * 1000,
-			     atomic64_read(&q->picos_per_byte)));
+	if (TXTIME_ASSIST_IS_ENABLED(q->flags)) {
+		skb = child->ops->dequeue(child);
+		if (!skb)
+			return NULL;
+		goto skb_found;
+	}
+
+	skb = child->ops->peek(child);
+	if (!skb)
+		return NULL;
+
+	prio = skb->priority;
+	tc = netdev_get_prio_tc_map(dev, prio);
+
+	if (!(gate_mask & BIT(tc)))
+		return NULL;
+
+	len = qdisc_pkt_len(skb);
+	guard = ktime_add_ns(taprio_get_time(q), length_to_duration(q, len));
+
+	/* In the case that there's no gate entry, there's no
+	 * guard band ...
+	 */
+	if (gate_mask != TAPRIO_ALL_GATES_OPEN &&
+	    ktime_after(guard, entry->end_time))
+		return NULL;
+
+	/* ... and no budget. */
+	if (gate_mask != TAPRIO_ALL_GATES_OPEN &&
+	    atomic_sub_return(len, &entry->budget) < 0)
+		return NULL;
+
+	skb = child->ops->dequeue(child);
+	if (unlikely(!skb))
+		return NULL;
+
+skb_found:
+	qdisc_bstats_update(sch, skb);
+	qdisc_qstats_backlog_dec(sch, skb);
+	sch->q.qlen--;
+
+	return skb;
 }
 
-static struct sk_buff *taprio_dequeue_soft(struct Qdisc *sch)
+/* Will not be called in the full offload case, since the TX queues are
+ * attached to the Qdisc created using qdisc_create_dflt()
+ */
+static struct sk_buff *taprio_dequeue(struct Qdisc *sch)
 {
 	struct taprio_sched *q = qdisc_priv(sch);
 	struct net_device *dev = qdisc_dev(sch);
@@ -578,64 +626,9 @@ static struct sk_buff *taprio_dequeue_soft(struct Qdisc *sch)
 		goto done;
 
 	for (i = 0; i < dev->num_tx_queues; i++) {
-		struct Qdisc *child = q->qdiscs[i];
-		ktime_t guard;
-		int prio;
-		int len;
-		u8 tc;
-
-		if (unlikely(!child))
-			continue;
-
-		if (TXTIME_ASSIST_IS_ENABLED(q->flags)) {
-			skb = child->ops->dequeue(child);
-			if (!skb)
-				continue;
-			goto skb_found;
-		}
-
-		skb = child->ops->peek(child);
-		if (!skb)
-			continue;
-
-		prio = skb->priority;
-		tc = netdev_get_prio_tc_map(dev, prio);
-
-		if (!(gate_mask & BIT(tc))) {
-			skb = NULL;
-			continue;
-		}
-
-		len = qdisc_pkt_len(skb);
-		guard = ktime_add_ns(taprio_get_time(q),
-				     length_to_duration(q, len));
-
-		/* In the case that there's no gate entry, there's no
-		 * guard band ...
-		 */
-		if (gate_mask != TAPRIO_ALL_GATES_OPEN &&
-		    ktime_after(guard, entry->close_time)) {
-			skb = NULL;
-			continue;
-		}
-
-		/* ... and no budget. */
-		if (gate_mask != TAPRIO_ALL_GATES_OPEN &&
-		    atomic_sub_return(len, &entry->budget) < 0) {
-			skb = NULL;
-			continue;
-		}
-
-		skb = child->ops->dequeue(child);
-		if (unlikely(!skb))
+		skb = taprio_dequeue_from_txq(sch, i, entry, gate_mask);
+		if (skb)
 			goto done;
-
-skb_found:
-		qdisc_bstats_update(sch, skb);
-		qdisc_qstats_backlog_dec(sch, skb);
-		sch->q.qlen--;
-
-		goto done;
 	}
 
 done:
@@ -644,27 +637,13 @@ done:
 	return skb;
 }
 
-static struct sk_buff *taprio_dequeue_offload(struct Qdisc *sch)
-{
-	WARN_ONCE(1, "Trying to dequeue from the root of a taprio qdisc configured with full offload\n");
-
-	return NULL;
-}
-
-static struct sk_buff *taprio_dequeue(struct Qdisc *sch)
-{
-	struct taprio_sched *q = qdisc_priv(sch);
-
-	return q->dequeue(sch);
-}
-
 static bool should_restart_cycle(const struct sched_gate_list *oper,
 				 const struct sched_entry *entry)
 {
 	if (list_is_last(&entry->list, &oper->entries))
 		return true;
 
-	if (ktime_compare(entry->close_time, oper->cycle_close_time) == 0)
+	if (ktime_compare(entry->end_time, oper->cycle_end_time) == 0)
 		return true;
 
 	return false;
@@ -672,7 +651,7 @@ static bool should_restart_cycle(const struct sched_gate_list *oper,
 
 static bool should_change_schedules(const struct sched_gate_list *admin,
 				    const struct sched_gate_list *oper,
-				    ktime_t close_time)
+				    ktime_t end_time)
 {
 	ktime_t next_base_time, extension_time;
 
@@ -681,18 +660,18 @@ static bool should_change_schedules(const struct sched_gate_list *admin,
 
 	next_base_time = sched_base_time(admin);
 
-	/* This is the simple case, the close_time would fall after
+	/* This is the simple case, the end_time would fall after
 	 * the next schedule base_time.
 	 */
-	if (ktime_compare(next_base_time, close_time) <= 0)
+	if (ktime_compare(next_base_time, end_time) <= 0)
 		return true;
 
-	/* This is the cycle_time_extension case, if the close_time
+	/* This is the cycle_time_extension case, if the end_time
 	 * plus the amount that can be extended would fall after the
 	 * next schedule base_time, we can extend the current schedule
 	 * for that amount.
 	 */
-	extension_time = ktime_add_ns(close_time, oper->cycle_time_extension);
+	extension_time = ktime_add_ns(end_time, oper->cycle_time_extension);
 
 	/* FIXME: the IEEE 802.1Q-2018 Specification isn't clear about
 	 * how precisely the extension should be made. So after
@@ -711,7 +690,7 @@ static enum hrtimer_restart advance_sched(struct hrtimer *timer)
 	struct sched_gate_list *oper, *admin;
 	struct sched_entry *entry, *next;
 	struct Qdisc *sch = q->root;
-	ktime_t close_time;
+	ktime_t end_time;
 
 	spin_lock(&q->current_entry_lock);
 	entry = rcu_dereference_protected(q->current_entry,
@@ -730,41 +709,42 @@ static enum hrtimer_restart advance_sched(struct hrtimer *timer)
 	 * entry of all schedules are pre-calculated during the
 	 * schedule initialization.
 	 */
-	if (unlikely(!entry || entry->close_time == oper->base_time)) {
+	if (unlikely(!entry || entry->end_time == oper->base_time)) {
 		next = list_first_entry(&oper->entries, struct sched_entry,
 					list);
-		close_time = next->close_time;
+		end_time = next->end_time;
 		goto first_run;
 	}
 
 	if (should_restart_cycle(oper, entry)) {
 		next = list_first_entry(&oper->entries, struct sched_entry,
 					list);
-		oper->cycle_close_time = ktime_add_ns(oper->cycle_close_time,
-						      oper->cycle_time);
+		oper->cycle_end_time = ktime_add_ns(oper->cycle_end_time,
+						    oper->cycle_time);
 	} else {
 		next = list_next_entry(entry, list);
 	}
 
-	close_time = ktime_add_ns(entry->close_time, next->interval);
-	close_time = min_t(ktime_t, close_time, oper->cycle_close_time);
+	end_time = ktime_add_ns(entry->end_time, next->interval);
+	end_time = min_t(ktime_t, end_time, oper->cycle_end_time);
 
-	if (should_change_schedules(admin, oper, close_time)) {
-		/* Set things so the next time this runs, the new
-		 * schedule runs.
-		 */
-		close_time = sched_base_time(admin);
+	if (should_change_schedules(admin, oper, end_time)) {
 		switch_schedules(q, &admin, &oper);
+		/* After changing schedules, the next entry is the first one
+		 * in the new schedule, with a pre-calculated end_time.
+		 */
+		next = list_first_entry(&oper->entries, struct sched_entry, list);
+		end_time = next->end_time;
 	}
 
-	next->close_time = close_time;
+	next->end_time = end_time;
 	taprio_set_budget(q, next);
 
 first_run:
 	rcu_assign_pointer(q->current_entry, next);
 	spin_unlock(&q->current_entry_lock);
 
-	hrtimer_set_expires(&q->advance_timer, close_time);
+	hrtimer_set_expires(&q->advance_timer, end_time);
 
 	rcu_read_lock();
 	__netif_schedule(sch);
@@ -1037,8 +1017,8 @@ static int taprio_get_start_time(struct Qdisc *sch,
 	return 0;
 }
 
-static void setup_first_close_time(struct taprio_sched *q,
-				   struct sched_gate_list *sched, ktime_t base)
+static void setup_first_end_time(struct taprio_sched *q,
+				 struct sched_gate_list *sched, ktime_t base)
 {
 	struct sched_entry *first;
 	ktime_t cycle;
@@ -1049,9 +1029,9 @@ static void setup_first_close_time(struct taprio_sched *q,
 	cycle = sched->cycle_time;
 
 	/* FIXME: find a better place to do this */
-	sched->cycle_close_time = ktime_add_ns(base, cycle);
+	sched->cycle_end_time = ktime_add_ns(base, cycle);
 
-	first->close_time = ktime_add_ns(base, first->interval);
+	first->end_time = ktime_add_ns(base, first->interval);
 	taprio_set_budget(q, first);
 	rcu_assign_pointer(q->current_entry, NULL);
 }
@@ -1572,17 +1552,6 @@ static int taprio_change(struct Qdisc *sch, struct nlattr *opt,
 		q->advance_timer.function = advance_sched;
 	}
 
-	if (FULL_OFFLOAD_IS_ENABLED(q->flags)) {
-		q->dequeue = taprio_dequeue_offload;
-		q->peek = taprio_peek_offload;
-	} else {
-		/* Be sure to always keep the function pointers
-		 * in a consistent state.
-		 */
-		q->dequeue = taprio_dequeue_soft;
-		q->peek = taprio_peek_soft;
-	}
-
 	err = taprio_get_start_time(sch, new_admin, &start);
 	if (err < 0) {
 		NL_SET_ERR_MSG(extack, "Internal error: failed get start time");
@@ -1605,7 +1574,7 @@ static int taprio_change(struct Qdisc *sch, struct nlattr *opt,
 		if (admin)
 			call_rcu(&admin->rcu, taprio_free_sched_cb);
 	} else {
-		setup_first_close_time(q, new_admin, start);
+		setup_first_end_time(q, new_admin, start);
 
 		/* Protects against advance_sched() */
 		spin_lock_irqsave(&q->current_entry_lock, flags);
@@ -1698,9 +1667,6 @@ static int taprio_init(struct Qdisc *sch, struct nlattr *opt,
 	hrtimer_init(&q->advance_timer, CLOCK_TAI, HRTIMER_MODE_ABS);
 	q->advance_timer.function = advance_sched;
 
-	q->dequeue = taprio_dequeue_soft;
-	q->peek = taprio_peek_soft;
-
 	q->root = sch;
 
 	/* We only support static clockids. Use an invalid value as default
diff --git a/net/sctp/inqueue.c b/net/sctp/inqueue.c
index 6a434d441dc700..6dfbd35d916d42 100644
--- a/net/sctp/inqueue.c
+++ b/net/sctp/inqueue.c
@@ -195,6 +195,7 @@ new_skb:
 
 			cb->chunk = head_cb->chunk;
 			cb->af = head_cb->af;
+			cb->encap_port = head_cb->encap_port;
 		}
 	}
 
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index dc758ad0051e0e..2f9f24b1885208 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -1555,6 +1555,12 @@ static enum sctp_disposition sctp_sf_do_unexpected_init(
 	/* Tag the variable length parameters.  */
 	chunk->param_hdr.v = skb_pull(chunk->skb, sizeof(struct sctp_inithdr));
 
+	if (asoc->state >= SCTP_STATE_ESTABLISHED) {
+		/* Discard INIT matching peer vtag after handshake completion (stale INIT). */
+		if (ntohl(chunk->subh.init_hdr->init_tag) == asoc->peer.i.init_tag)
+			return sctp_sf_pdiscard(net, ep, asoc, type, arg, commands);
+	}
+
 	/* Verify the INIT chunk before processing it. */
 	err_chunk = NULL;
 	if (!sctp_verify_init(net, ep, asoc, chunk->chunk_hdr->type,
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 424af9d0434db3..11040232ee937b 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -1986,6 +1986,15 @@ static int sctp_sendmsg(struct sock *sk, struct msghdr *msg, size_t msg_len)
 				goto out_unlock;
 
 			iov_iter_revert(&msg->msg_iter, err);
+
+			/* sctp_sendmsg_to_asoc() may have released the socket
+			 * lock (sctp_wait_for_sndbuf), during which other
+			 * associations on ep->asocs could have been peeled
+			 * off or freed.  @asoc itself is revalidated by the
+			 * base.dead and base.sk checks in sctp_wait_for_sndbuf,
+			 * so re-derive the cached cursor from it.
+			 */
+			tmp = list_next_entry(asoc, asocs);
 		}
 
 		goto out_unlock;
@@ -6982,7 +6991,7 @@ static int sctp_getsockopt_peer_auth_chunks(struct sock *sk, int len,
 
 	/* See if the user provided enough room for all the data */
 	num_chunks = ntohs(ch->param_hdr.length) - sizeof(struct sctp_paramhdr);
-	if (len < num_chunks)
+	if (len < sizeof(struct sctp_authchunks) + num_chunks)
 		return -EINVAL;
 
 	if (copy_to_user(to, ch->chunks, num_chunks))
diff --git a/net/smc/smc_clc.c b/net/smc/smc_clc.c
index ec8c4cfdb14713..757ba06fa9d9ab 100644
--- a/net/smc/smc_clc.c
+++ b/net/smc/smc_clc.c
@@ -440,8 +440,8 @@ int smc_clc_wait_msg(struct smc_sock *smc, void *buf, int buflen,
 		dclc = (struct smc_clc_msg_decline *)clcm;
 		reason_code = SMC_CLC_DECL_PEERDECL;
 		smc->peer_diagnosis = ntohl(dclc->peer_diagnosis);
-		if (((struct smc_clc_msg_decline *)buf)->hdr.typev2 &
-						SMC_FIRST_CONTACT_MASK) {
+		if ((dclc->hdr.typev2 & SMC_FIRST_CONTACT_MASK) &&
+		    smc->conn.lgr) {
 			smc->conn.lgr->sync_err = 1;
 			smc_lgr_terminate_sched(smc->conn.lgr);
 		}
diff --git a/net/strparser/strparser.c b/net/strparser/strparser.c
index 7b08a292b05738..5dbe6f7c019a27 100644
--- a/net/strparser/strparser.c
+++ b/net/strparser/strparser.c
@@ -45,6 +45,14 @@ static void strp_abort_strp(struct strparser *strp, int err)
 
 	strp->stopped = 1;
 
+	if (strp->skb_head) {
+		kfree_skb(strp->skb_head);
+		strp->skb_head = NULL;
+	}
+
+	strp->skb_nextp = NULL;
+	strp->need_bytes = 0;
+
 	if (strp->sk) {
 		struct sock *sk = strp->sk;
 
diff --git a/net/sunrpc/sysfs.c b/net/sunrpc/sysfs.c
index 55da1b627a7dbe..e643dd8748a297 100644
--- a/net/sunrpc/sysfs.c
+++ b/net/sunrpc/sysfs.c
@@ -97,7 +97,7 @@ static ssize_t rpc_sysfs_xprt_dstaddr_show(struct kobject *kobj,
 		return 0;
 	ret = sprintf(buf, "%s\n", xprt->address_strings[RPC_DISPLAY_ADDR]);
 	xprt_put(xprt);
-	return ret + 1;
+	return ret;
 }
 
 static ssize_t rpc_sysfs_xprt_srcaddr_show(struct kobject *kobj,
@@ -105,34 +105,43 @@ static ssize_t rpc_sysfs_xprt_srcaddr_show(struct kobject *kobj,
 					   char *buf)
 {
 	struct rpc_xprt *xprt = rpc_sysfs_xprt_kobj_get_xprt(kobj);
-	struct sockaddr_storage saddr;
-	struct sock_xprt *sock;
-	ssize_t ret = -1;
-
-	if (!xprt)
-		return 0;
-
-	sock = container_of(xprt, struct sock_xprt, xprt);
-	if (kernel_getsockname(sock->sock, (struct sockaddr *)&saddr) < 0)
-		goto out;
-
-	ret = sprintf(buf, "%pISc\n", &saddr);
-out:
+	size_t buflen = PAGE_SIZE;
+	ssize_t ret = -ENOTSOCK;
+
+	if (!xprt || !xprt_connected(xprt)) {
+		ret = -ENOTCONN;
+	} else if (xprt->ops->get_srcaddr) {
+		ret = xprt->ops->get_srcaddr(xprt, buf, buflen);
+		if (ret > 0) {
+			if (ret < buflen - 1) {
+				buf[ret] = '\n';
+				ret++;
+				buf[ret] = '\0';
+			}
+		}
+	}
 	xprt_put(xprt);
-	return ret + 1;
+	return ret;
 }
 
 static ssize_t rpc_sysfs_xprt_info_show(struct kobject *kobj,
-					struct kobj_attribute *attr,
-					char *buf)
+					struct kobj_attribute *attr, char *buf)
 {
 	struct rpc_xprt *xprt = rpc_sysfs_xprt_kobj_get_xprt(kobj);
+	unsigned short srcport = 0;
+	size_t buflen = PAGE_SIZE;
 	ssize_t ret;
 
-	if (!xprt)
-		return 0;
+	if (!xprt || !xprt_connected(xprt)) {
+		xprt_put(xprt);
+		return -ENOTCONN;
+	}
+
+	if (xprt->ops->get_srcport)
+		srcport = xprt->ops->get_srcport(xprt);
 
-	ret = sprintf(buf, "last_used=%lu\ncur_cong=%lu\ncong_win=%lu\n"
+	ret = snprintf(buf, buflen,
+		       "last_used=%lu\ncur_cong=%lu\ncong_win=%lu\n"
 		       "max_num_slots=%u\nmin_num_slots=%u\nnum_reqs=%u\n"
 		       "binding_q_len=%u\nsending_q_len=%u\npending_q_len=%u\n"
 		       "backlog_q_len=%u\nmain_xprt=%d\nsrc_port=%u\n"
@@ -140,14 +149,11 @@ static ssize_t rpc_sysfs_xprt_info_show(struct kobject *kobj,
 		       xprt->last_used, xprt->cong, xprt->cwnd, xprt->max_reqs,
 		       xprt->min_reqs, xprt->num_reqs, xprt->binding.qlen,
 		       xprt->sending.qlen, xprt->pending.qlen,
-		       xprt->backlog.qlen, xprt->main,
-		       (xprt->xprt_class->ident == XPRT_TRANSPORT_TCP) ?
-		       get_srcport(xprt) : 0,
+		       xprt->backlog.qlen, xprt->main, srcport,
 		       atomic_long_read(&xprt->queuelen),
-		       (xprt->xprt_class->ident == XPRT_TRANSPORT_TCP) ?
-				xprt->address_strings[RPC_DISPLAY_PORT] : "0");
+		       xprt->address_strings[RPC_DISPLAY_PORT]);
 	xprt_put(xprt);
-	return ret + 1;
+	return ret;
 }
 
 static ssize_t rpc_sysfs_xprt_state_show(struct kobject *kobj,
@@ -194,7 +200,7 @@ static ssize_t rpc_sysfs_xprt_state_show(struct kobject *kobj,
 	}
 
 	xprt_put(xprt);
-	return ret + 1;
+	return ret;
 }
 
 static ssize_t rpc_sysfs_xprt_switch_info_show(struct kobject *kobj,
@@ -213,7 +219,7 @@ static ssize_t rpc_sysfs_xprt_switch_info_show(struct kobject *kobj,
 		      xprt_switch->xps_nunique_destaddr_xprts,
 		      atomic_long_read(&xprt_switch->xps_queuelen));
 	xprt_switch_put(xprt_switch);
-	return ret + 1;
+	return ret;
 }
 
 static ssize_t rpc_sysfs_xprt_dstaddr_store(struct kobject *kobj,
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 9e122c20fcc6e6..a829da4bbb09e3 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -1677,12 +1677,35 @@ static int xs_get_srcport(struct sock_xprt *transport)
 	return port;
 }
 
-unsigned short get_srcport(struct rpc_xprt *xprt)
+static unsigned short xs_sock_srcport(struct rpc_xprt *xprt)
 {
 	struct sock_xprt *sock = container_of(xprt, struct sock_xprt, xprt);
-	return xs_sock_getport(sock->sock);
+	unsigned short ret = 0;
+	mutex_lock(&sock->recv_mutex);
+	if (sock->sock)
+		ret = xs_sock_getport(sock->sock);
+	mutex_unlock(&sock->recv_mutex);
+	return ret;
+}
+
+static int xs_sock_srcaddr(struct rpc_xprt *xprt, char *buf, size_t buflen)
+{
+	struct sock_xprt *sock = container_of(xprt, struct sock_xprt, xprt);
+	union {
+		struct sockaddr sa;
+		struct sockaddr_storage st;
+	} saddr;
+	int ret = -ENOTCONN;
+
+	mutex_lock(&sock->recv_mutex);
+	if (sock->sock) {
+		ret = kernel_getsockname(sock->sock, &saddr.sa);
+		if (ret >= 0)
+			ret = snprintf(buf, buflen, "%pISc", &saddr.sa);
+	}
+	mutex_unlock(&sock->recv_mutex);
+	return ret;
 }
-EXPORT_SYMBOL(get_srcport);
 
 static unsigned short xs_next_srcport(struct sock_xprt *transport, unsigned short port)
 {
@@ -2673,6 +2696,8 @@ static const struct rpc_xprt_ops xs_udp_ops = {
 	.rpcbind		= rpcb_getport_async,
 	.set_port		= xs_set_port,
 	.connect		= xs_connect,
+	.get_srcaddr		= xs_sock_srcaddr,
+	.get_srcport		= xs_sock_srcport,
 	.buf_alloc		= rpc_malloc,
 	.buf_free		= rpc_free,
 	.send_request		= xs_udp_send_request,
@@ -2695,6 +2720,8 @@ static const struct rpc_xprt_ops xs_tcp_ops = {
 	.rpcbind		= rpcb_getport_async,
 	.set_port		= xs_set_port,
 	.connect		= xs_connect,
+	.get_srcaddr		= xs_sock_srcaddr,
+	.get_srcport		= xs_sock_srcport,
 	.buf_alloc		= rpc_malloc,
 	.buf_free		= rpc_free,
 	.prepare_request	= xs_stream_prepare_request,
diff --git a/net/tipc/msg.c b/net/tipc/msg.c
index 76284fc538ebdd..b0bba0feef5644 100644
--- a/net/tipc/msg.c
+++ b/net/tipc/msg.c
@@ -177,8 +177,20 @@ int tipc_buf_append(struct sk_buff **headbuf, struct sk_buff **buf)
 
 	if (fragid == LAST_FRAGMENT) {
 		TIPC_SKB_CB(head)->validated = 0;
-		if (unlikely(!tipc_msg_validate(&head)))
+
+		/* If the reassembled skb has been freed in
+		 * tipc_msg_validate() because of an invalid truesize,
+		 * then head will point to a newly allocated reassembled
+		 * skb, while *headbuf points to freed reassembled skb.
+		 * In such cases, correct *headbuf for freeing the newly
+		 * allocated reassembled skb later.
+		 */
+		if (unlikely(!tipc_msg_validate(&head))) {
+			if (head != *headbuf)
+				*headbuf = head;
 			goto err;
+		}
+
 		*buf = head;
 		TIPC_SKB_CB(head)->tail = NULL;
 		*headbuf = NULL;
diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c
index 002806908aa823..630fa387da14f0 100644
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -773,23 +773,33 @@ static int tls_push_record(struct sock *sk, int flags,
 	i = msg_pl->sg.end;
 	sk_msg_iter_var_prev(i);
 
+	/* msg_pl->sg.data is a ring; data[MAX+1] is reserved for the wrap
+	 * link (frags won't use it). 'i' is now the last filled entry:
+	 *
+	 *         i   end              start
+	 *         v    v                 v            [ rsv ]
+	 *  [ d ][ d ][   ][   ]...[   ][ d ][ d ][ d ][chain]
+	 *    ^   END                                     v
+	 *     `-----------------------------------------'
+	 *
+	 * Note that SGL does not allow chain-after-chain, so for TLS 1.3,
+	 * we must make sure we don't create the wrap entry and then chain
+	 * link to content_type immediately at index 0.
+	 */
+	if (i < msg_pl->sg.start)
+		sg_chain(msg_pl->sg.data, ARRAY_SIZE(msg_pl->sg.data),
+			 msg_pl->sg.data);
+
 	rec->content_type = record_type;
 	if (prot->version == TLS_1_3_VERSION) {
 		/* Add content type to end of message.  No padding added */
 		sg_set_buf(&rec->sg_content_type, &rec->content_type, 1);
 		sg_mark_end(&rec->sg_content_type);
-		sg_chain(msg_pl->sg.data, msg_pl->sg.end + 1,
-			 &rec->sg_content_type);
+		sg_chain(msg_pl->sg.data, i + 2, &rec->sg_content_type);
 	} else {
 		sg_mark_end(sk_msg_elem(msg_pl, i));
 	}
 
-	if (msg_pl->sg.end < msg_pl->sg.start) {
-		sg_chain(&msg_pl->sg.data[msg_pl->sg.start],
-			 MAX_SKB_FRAGS - msg_pl->sg.start + 1,
-			 msg_pl->sg.data);
-	}
-
 	i = msg_pl->sg.start;
 	sg_chain(rec->sg_aead_in, 2, &msg_pl->sg.data[i]);
 
diff --git a/net/unix/diag.c b/net/unix/diag.c
index 486276a1782edd..699fba7b7591dc 100644
--- a/net/unix/diag.c
+++ b/net/unix/diag.c
@@ -25,18 +25,23 @@ static int sk_diag_dump_name(struct sock *sk, struct sk_buff *nlskb)
 
 static int sk_diag_dump_vfs(struct sock *sk, struct sk_buff *nlskb)
 {
-	struct dentry *dentry = unix_sk(sk)->path.dentry;
+	struct unix_diag_vfs uv;
+	struct dentry *dentry;
+	bool have_vfs = false;
 
+	unix_state_lock(sk);
+	dentry = unix_sk(sk)->path.dentry;
 	if (dentry) {
-		struct unix_diag_vfs uv = {
-			.udiag_vfs_ino = d_backing_inode(dentry)->i_ino,
-			.udiag_vfs_dev = dentry->d_sb->s_dev,
-		};
-
-		return nla_put(nlskb, UNIX_DIAG_VFS, sizeof(uv), &uv);
+		uv.udiag_vfs_ino = d_backing_inode(dentry)->i_ino;
+		uv.udiag_vfs_dev = dentry->d_sb->s_dev;
+		have_vfs = true;
 	}
+	unix_state_unlock(sk);
 
-	return 0;
+	if (!have_vfs)
+		return 0;
+
+	return nla_put(nlskb, UNIX_DIAG_VFS, sizeof(uv), &uv);
 }
 
 static int sk_diag_dump_peer(struct sock *sk, struct sk_buff *nlskb)
diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index d79a7553883181..cf9bf589d454ab 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -1671,12 +1671,12 @@ static void vsock_update_buffer_size(struct vsock_sock *vsk,
 				     const struct vsock_transport *transport,
 				     u64 val)
 {
-	if (val > vsk->buffer_max_size)
-		val = vsk->buffer_max_size;
-
 	if (val < vsk->buffer_min_size)
 		val = vsk->buffer_min_size;
 
+	if (val > vsk->buffer_max_size)
+		val = vsk->buffer_max_size;
+
 	if (val != vsk->buffer_size &&
 	    transport && transport->notify_buffer_size)
 		transport->notify_buffer_size(vsk, &val);
diff --git a/net/vmw_vsock/hyperv_transport.c b/net/vmw_vsock/hyperv_transport.c
index 98a229a5cf7773..0dde20d8f82490 100644
--- a/net/vmw_vsock/hyperv_transport.c
+++ b/net/vmw_vsock/hyperv_transport.c
@@ -366,10 +366,10 @@ static void hvs_open_connection(struct vmbus_channel *chan)
 	} else {
 		sndbuf = max_t(int, sk->sk_sndbuf, RINGBUFFER_HVS_SND_SIZE);
 		sndbuf = min_t(int, sndbuf, RINGBUFFER_HVS_MAX_SIZE);
-		sndbuf = ALIGN(sndbuf, HV_HYP_PAGE_SIZE);
+		sndbuf = VMBUS_RING_SIZE(sndbuf);
 		rcvbuf = max_t(int, sk->sk_rcvbuf, RINGBUFFER_HVS_RCV_SIZE);
 		rcvbuf = min_t(int, rcvbuf, RINGBUFFER_HVS_MAX_SIZE);
-		rcvbuf = ALIGN(rcvbuf, HV_HYP_PAGE_SIZE);
+		rcvbuf = VMBUS_RING_SIZE(rcvbuf);
 	}
 
 	ret = vmbus_open(chan, sndbuf, rcvbuf, NULL, 0, hvs_channel_cb,
diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c
index ffd4db198bdf57..12eb365c1603da 100644
--- a/net/vmw_vsock/virtio_transport_common.c
+++ b/net/vmw_vsock/virtio_transport_common.c
@@ -1223,8 +1223,6 @@ virtio_transport_recv_listen(struct sock *sk, struct virtio_vsock_pkt *pkt,
 		return -ENOMEM;
 	}
 
-	sk_acceptq_added(sk);
-
 	lock_sock_nested(child, SINGLE_DEPTH_NESTING);
 
 	child->sk_state = TCP_ESTABLISHED;
@@ -1246,6 +1244,7 @@ virtio_transport_recv_listen(struct sock *sk, struct virtio_vsock_pkt *pkt,
 		return ret;
 	}
 
+	sk_acceptq_added(sk);
 	if (virtio_transport_space_update(child, pkt))
 		child->sk_write_space(child);
 
diff --git a/net/vmw_vsock/vmci_transport.c b/net/vmw_vsock/vmci_transport.c
index 35585e9f1af4c1..e8bcaf9c5be3c6 100644
--- a/net/vmw_vsock/vmci_transport.c
+++ b/net/vmw_vsock/vmci_transport.c
@@ -1156,7 +1156,7 @@ vmci_transport_recv_connecting_server(struct sock *listener,
 		/* Close and cleanup the connection. */
 		vmci_transport_send_reset(pending, pkt);
 		skerr = EPROTO;
-		err = pkt->type == VMCI_TRANSPORT_PACKET_TYPE_RST ? 0 : -EINVAL;
+		err = -EINVAL;
 		goto destroy;
 	}
 
diff --git a/net/wireless/core.c b/net/wireless/core.c
index a844f5253aa41e..d63480873d0636 100644
--- a/net/wireless/core.c
+++ b/net/wireless/core.c
@@ -1300,10 +1300,8 @@ void __cfg80211_leave(struct cfg80211_registered_device *rdev,
 		__cfg80211_leave_ocb(rdev, dev);
 		break;
 	case NL80211_IFTYPE_P2P_DEVICE:
-		cfg80211_stop_p2p_device(rdev, wdev);
-		break;
 	case NL80211_IFTYPE_NAN:
-		cfg80211_stop_nan(rdev, wdev);
+		/* cannot happen, has no netdev */
 		break;
 	case NL80211_IFTYPE_AP_VLAN:
 	case NL80211_IFTYPE_MONITOR:
diff --git a/net/wireless/scan.c b/net/wireless/scan.c
index 10eeb4921f277b..1bc2aba69bd732 100644
--- a/net/wireless/scan.c
+++ b/net/wireless/scan.c
@@ -2180,6 +2180,9 @@ size_t cfg80211_merge_profile(const u8 *ie, size_t ielen,
 		memcpy(merged_ie + copied_len, next_sub->data,
 		       next_sub->datalen);
 		copied_len += next_sub->datalen;
+
+		mbssid_elem = next_mbssid;
+		sub_elem = next_sub;
 	}
 
 	return copied_len;
diff --git a/net/xdp/xdp_umem.c b/net/xdp/xdp_umem.c
index 65f918d29531d9..f247fc4de9e10d 100644
--- a/net/xdp/xdp_umem.c
+++ b/net/xdp/xdp_umem.c
@@ -198,7 +198,8 @@ static int xdp_umem_reg(struct xdp_umem *umem, struct xdp_umem_reg *mr)
 	if (!unaligned_chunks && chunks_rem)
 		return -EINVAL;
 
-	if (headroom >= chunk_size - XDP_PACKET_HEADROOM)
+	if (headroom > chunk_size - XDP_PACKET_HEADROOM -
+		       SKB_DATA_ALIGN(sizeof(struct skb_shared_info)) - 128)
 		return -EINVAL;
 
 	umem->size = size;
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index dcf433894951d9..5f5a0d410a4d63 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -2826,6 +2826,7 @@ const int xfrm_msg_min[XFRM_NR_MSGTYPES] = {
 	[XFRM_MSG_GETSADINFO  - XFRM_MSG_BASE] = sizeof(u32),
 	[XFRM_MSG_NEWSPDINFO  - XFRM_MSG_BASE] = sizeof(u32),
 	[XFRM_MSG_GETSPDINFO  - XFRM_MSG_BASE] = sizeof(u32),
+	[XFRM_MSG_MAPPING     - XFRM_MSG_BASE] = XMSGSIZE(xfrm_user_mapping),
 	[XFRM_MSG_SETDEFAULT  - XFRM_MSG_BASE] = XMSGSIZE(xfrm_userpolicy_default),
 	[XFRM_MSG_GETDEFAULT  - XFRM_MSG_BASE] = XMSGSIZE(xfrm_userpolicy_default),
 };
@@ -3389,6 +3390,8 @@ static int build_polexpire(struct sk_buff *skb, struct xfrm_policy *xp,
 		return err;
 	}
 	upe->hard = !!hard;
+	/* clear the padding bytes */
+	memset(&upe->hard + 1, 0, sizeof(*upe) - offsetofend(typeof(*upe), hard));
 
 	nlmsg_end(skb, nlh);
 	return 0;
@@ -3592,6 +3595,7 @@ static int build_mapping(struct sk_buff *skb, struct xfrm_state *x,
 
 	um = nlmsg_data(nlh);
 
+	memset(&um->id, 0, sizeof(um->id));
 	memcpy(&um->id.daddr, &x->id.daddr, sizeof(um->id.daddr));
 	um->id.spi = x->id.spi;
 	um->id.family = x->props.family;
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index b4fe18228805c9..94ce1a48a78564 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -588,6 +588,7 @@ our $signature_tags = qr{(?xi:
 	Reviewed-by:|
 	Reported-by:|
 	Suggested-by:|
+	Assisted-by:|
 	To:|
 	Cc:
 )};
@@ -3000,6 +3001,15 @@ sub process {
 				}
 			}
 
+			# Assisted-by uses AGENT_NAME:MODEL_VERSION format, not email
+			if ($sign_off =~ /^Assisted-by:/i) {
+				if ($email !~ /^\S+:\S+/) {
+					WARN("BAD_SIGN_OFF",
+					     "Assisted-by expects 'AGENT_NAME:MODEL_VERSION [TOOL1] [TOOL2]' format\n" . $herecurr);
+				}
+				next;
+			}
+
 			my ($email_name, $name_comment, $email_address, $comment) = parse_email($email);
 			my $suggested_email = format_email(($email_name, $name_comment, $email_address, $comment));
 			if ($suggested_email eq "") {
diff --git a/scripts/dtc/dtc-lexer.l b/scripts/dtc/dtc-lexer.l
index b3b7270300de58..16c8941b43cdc3 100644
--- a/scripts/dtc/dtc-lexer.l
+++ b/scripts/dtc/dtc-lexer.l
@@ -39,8 +39,6 @@ extern bool treesource_error;
 #define DPRINT(fmt, ...)	do { } while (0)
 #endif
 
-static int dts_version = 1;
-
 #define BEGIN_DEFAULT()		DPRINT("<V1>\n"); \
 				BEGIN(V1); \
 
@@ -101,7 +99,6 @@ static void PRINTF(1, 2) lexical_error(const char *fmt, ...);
 
 <*>"/dts-v1/"	{
 			DPRINT("Keyword: /dts-v1/\n");
-			dts_version = 1;
 			BEGIN_DEFAULT();
 			return DT_V1;
 		}
diff --git a/security/integrity/ima/ima_crypto.c b/security/integrity/ima/ima_crypto.c
index 64499056648ad1..c5153f0d7306d3 100644
--- a/security/integrity/ima/ima_crypto.c
+++ b/security/integrity/ima/ima_crypto.c
@@ -837,7 +837,7 @@ static int ima_calc_boot_aggregate_tfm(char *digest, u16 alg_id,
 		}
 	}
 	if (!rc)
-		crypto_shash_final(shash, digest);
+		rc = crypto_shash_final(shash, digest);
 	return rc;
 }
 
diff --git a/sound/aoa/soundbus/i2sbus/core.c b/sound/aoa/soundbus/i2sbus/core.c
index 51ed2f34b276de..0c1056efbe0294 100644
--- a/sound/aoa/soundbus/i2sbus/core.c
+++ b/sound/aoa/soundbus/i2sbus/core.c
@@ -83,6 +83,7 @@ static void i2sbus_release_dev(struct device *dev)
 	for (i = aoa_resource_i2smmio; i <= aoa_resource_rxdbdma; i++)
 		free_irq(i2sdev->interrupts[i], i2sdev);
 	i2sbus_control_remove_dev(i2sdev->control, i2sdev);
+	of_node_put(i2sdev->sound.ofdev.dev.of_node);
 	mutex_destroy(&i2sdev->lock);
 	kfree(i2sdev);
 }
@@ -148,7 +149,6 @@ static int i2sbus_get_and_fixup_rsrc(struct device_node *np, int index,
 }
 
 /* Returns 1 if added, 0 for otherwise; don't return a negative value! */
-/* FIXME: look at device node refcounting */
 static int i2sbus_add_dev(struct macio_dev *macio,
 			  struct i2sbus_control *control,
 			  struct device_node *np)
@@ -179,8 +179,9 @@ static int i2sbus_add_dev(struct macio_dev *macio,
 	i = 0;
 	for_each_child_of_node(np, child) {
 		if (of_node_name_eq(child, "sound")) {
+			of_node_put(sound);
 			i++;
-			sound = child;
+			sound = of_node_get(child);
 		}
 	}
 	if (i == 1) {
@@ -206,6 +207,7 @@ static int i2sbus_add_dev(struct macio_dev *macio,
 			}
 		}
 	}
+	of_node_put(sound);
 	/* for the time being, until we can handle non-layout-id
 	 * things in some fabric, refuse to attach if there is no
 	 * layout-id property or we haven't been forced to attach.
@@ -220,7 +222,7 @@ static int i2sbus_add_dev(struct macio_dev *macio,
 	mutex_init(&dev->lock);
 	spin_lock_init(&dev->low_lock);
 	dev->sound.ofdev.archdata.dma_mask = macio->ofdev.archdata.dma_mask;
-	dev->sound.ofdev.dev.of_node = np;
+	dev->sound.ofdev.dev.of_node = of_node_get(np);
 	dev->sound.ofdev.dev.dma_mask = &dev->sound.ofdev.archdata.dma_mask;
 	dev->sound.ofdev.dev.parent = &macio->ofdev.dev;
 	dev->sound.ofdev.dev.release = i2sbus_release_dev;
@@ -328,6 +330,7 @@ static int i2sbus_add_dev(struct macio_dev *macio,
 	for (i=0;i<3;i++)
 		release_and_free_resource(dev->allocated_resource[i]);
 	mutex_destroy(&dev->lock);
+	of_node_put(dev->sound.ofdev.dev.of_node);
 	kfree(dev);
 	return 0;
 }
diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c
index de514ec8c83d54..1ba90a87808e46 100644
--- a/sound/core/compress_offload.c
+++ b/sound/core/compress_offload.c
@@ -40,13 +40,6 @@
 #define COMPR_CODEC_CAPS_OVERFLOW
 #endif
 
-/* TODO:
- * - add substream support for multiple devices in case of
- *	SND_DYNAMIC_MINORS is not used
- * - Multiple node representation
- *	driver should be able to register multiple nodes
- */
-
 struct snd_compr_file {
 	unsigned long caps;
 	struct snd_compr_stream stream;
diff --git a/sound/core/control.c b/sound/core/control.c
index b83ec284d6114b..69dc5e06cc37bb 100644
--- a/sound/core/control.c
+++ b/sound/core/control.c
@@ -1441,6 +1441,10 @@ static int snd_ctl_elem_init_enum_names(struct user_element *ue)
 	/* check that there are enough valid names */
 	p = names;
 	for (i = 0; i < ue->info.value.enumerated.items; ++i) {
+		if (buf_len == 0) {
+			kvfree(names);
+			return -EINVAL;
+		}
 		name_len = strnlen(p, buf_len);
 		if (name_len == 0 || name_len >= 64 || name_len == buf_len) {
 			kvfree(names);
diff --git a/sound/core/control_led.c b/sound/core/control_led.c
index 3eb1c5af82ad10..df836ff550f882 100644
--- a/sound/core/control_led.c
+++ b/sound/core/control_led.c
@@ -693,10 +693,16 @@ static void snd_ctl_led_sysfs_add(struct snd_card *card)
 			goto cerr;
 		led->cards[card->number] = led_card;
 		snprintf(link_name, sizeof(link_name), "led-%s", led->name);
-		WARN(sysfs_create_link(&card->ctl_dev.kobj, &led_card->dev.kobj, link_name),
-			"can't create symlink to controlC%i device\n", card->number);
-		WARN(sysfs_create_link(&led_card->dev.kobj, &card->card_dev.kobj, "card"),
-			"can't create symlink to card%i\n", card->number);
+		if (sysfs_create_link(&card->ctl_dev.kobj, &led_card->dev.kobj,
+				      link_name))
+			dev_err(card->dev,
+				"%s: can't create symlink to controlC%i device\n",
+				 __func__, card->number);
+		if (sysfs_create_link(&led_card->dev.kobj, &card->card_dev.kobj,
+				      "card"))
+			dev_err(card->dev,
+				"%s: can't create symlink to card%i\n",
+				__func__, card->number);
 
 		continue;
 cerr:
diff --git a/sound/core/seq/oss/seq_oss_rw.c b/sound/core/seq/oss/seq_oss_rw.c
index 8a142fd54a1907..307ef98c44c7b5 100644
--- a/sound/core/seq/oss/seq_oss_rw.c
+++ b/sound/core/seq/oss/seq_oss_rw.c
@@ -101,9 +101,9 @@ snd_seq_oss_write(struct seq_oss_devinfo *dp, const char __user *buf, int count,
 				break;
 			}
 			fmt = (*(unsigned short *)rec.c) & 0xffff;
-			/* FIXME the return value isn't correct */
-			return snd_seq_oss_synth_load_patch(dp, rec.s.dev,
-							    fmt, buf, 0, count);
+			err = snd_seq_oss_synth_load_patch(dp, rec.s.dev,
+							   fmt, buf, 0, count);
+			return err < 0 ? err : count;
 		}
 		if (ev_is_long(&rec)) {
 			/* extended code */
diff --git a/sound/core/sound.c b/sound/core/sound.c
index df5571d9862955..f3bb0adf37ccec 100644
--- a/sound/core/sound.c
+++ b/sound/core/sound.c
@@ -219,9 +219,16 @@ static int snd_find_free_minor(int type, struct snd_card *card, int dev)
 	case SNDRV_DEVICE_TYPE_RAWMIDI:
 	case SNDRV_DEVICE_TYPE_PCM_PLAYBACK:
 	case SNDRV_DEVICE_TYPE_PCM_CAPTURE:
+		if (snd_BUG_ON(!card))
+			return -EINVAL;
+		minor = SNDRV_MINOR(card->number, type + dev);
+		break;
 	case SNDRV_DEVICE_TYPE_COMPRESS:
 		if (snd_BUG_ON(!card))
 			return -EINVAL;
+		if (dev < 0 ||
+		    dev >= SNDRV_MINOR_HWDEP - SNDRV_MINOR_COMPRESS)
+			return -EINVAL;
 		minor = SNDRV_MINOR(card->number, type + dev);
 		break;
 	default:
diff --git a/sound/firewire/fireworks/fireworks_command.c b/sound/firewire/fireworks/fireworks_command.c
index 7e255fc2c6e405..f309f15df66934 100644
--- a/sound/firewire/fireworks/fireworks_command.c
+++ b/sound/firewire/fireworks/fireworks_command.c
@@ -151,10 +151,13 @@ efw_transaction(struct snd_efw *efw, unsigned int category,
 	    (be32_to_cpu(header->category) != category) ||
 	    (be32_to_cpu(header->command) != command) ||
 	    (be32_to_cpu(header->status) != EFR_STATUS_OK)) {
+		u32 st = be32_to_cpu(header->status);
+
 		dev_err(&efw->unit->device, "EFW command failed [%u/%u]: %s\n",
 			be32_to_cpu(header->category),
 			be32_to_cpu(header->command),
-			efr_status_names[be32_to_cpu(header->status)]);
+			st < ARRAY_SIZE(efr_status_names) ?
+				efr_status_names[st] : "unknown");
 		err = -EIO;
 		goto end;
 	}
diff --git a/sound/firewire/tascam/tascam-hwdep.c b/sound/firewire/tascam/tascam-hwdep.c
index 74eed9505665c7..9c3f68d8daefef 100644
--- a/sound/firewire/tascam/tascam-hwdep.c
+++ b/sound/firewire/tascam/tascam-hwdep.c
@@ -73,6 +73,7 @@ static long tscm_hwdep_read_queue(struct snd_tscm *tscm, char __user *buf,
 			length = rounddown(remained, sizeof(*entries));
 		if (length == 0)
 			break;
+		tail_pos = head_pos + length / sizeof(*entries);
 
 		spin_unlock_irq(&tscm->lock);
 		if (copy_to_user(pos, &entries[head_pos], length))
diff --git a/sound/isa/sc6000.c b/sound/isa/sc6000.c
index 60398fced046b0..4066b68a102e21 100644
--- a/sound/isa/sc6000.c
+++ b/sound/isa/sc6000.c
@@ -100,6 +100,15 @@ MODULE_PARM_DESC(joystick, "Enable gameport.");
 #define PFX "sc6000: "
 #define DRV_NAME "SC-6000"
 
+struct snd_sc6000 {
+	char __iomem *vport;
+	char __iomem *vmss_port;
+	u8 mss_config;
+	u8 config;
+	u8 hw_cfg[2];
+	bool old_dsp;
+};
+
 /* hardware dependent functions */
 
 /*
@@ -204,7 +213,7 @@ static int sc6000_read(char __iomem *vport)
 
 }
 
-static int sc6000_write(char __iomem *vport, int cmd)
+static int sc6000_write(struct device *devptr, char __iomem *vport, int cmd)
 {
 	unsigned char val;
 	int loop = 500000;
@@ -221,18 +230,19 @@ static int sc6000_write(char __iomem *vport, int cmd)
 		cpu_relax();
 	} while (loop--);
 
-	snd_printk(KERN_ERR "DSP Command (0x%x) timeout.\n", cmd);
+	dev_err(devptr, "DSP Command (0x%x) timeout.\n", cmd);
 
 	return -EIO;
 }
 
-static int sc6000_dsp_get_answer(char __iomem *vport, int command,
+static int sc6000_dsp_get_answer(struct device *devptr,
+				 char __iomem *vport, int command,
 				 char *data, int data_len)
 {
 	int len = 0;
 
-	if (sc6000_write(vport, command)) {
-		snd_printk(KERN_ERR "CMD 0x%x: failed!\n", command);
+	if (sc6000_write(devptr, vport, command)) {
+		dev_err(devptr, "CMD 0x%x: failed!\n", command);
 		return -EIO;
 	}
 
@@ -265,82 +275,86 @@ static int sc6000_dsp_reset(char __iomem *vport)
 }
 
 /* detection and initialization */
-static int sc6000_hw_cfg_write(char __iomem *vport, const int *cfg)
+static int sc6000_hw_cfg_write(struct device *devptr,
+			       char __iomem *vport, const u8 *cfg)
 {
-	if (sc6000_write(vport, COMMAND_6C) < 0) {
-		snd_printk(KERN_WARNING "CMD 0x%x: failed!\n", COMMAND_6C);
+	if (sc6000_write(devptr, vport, COMMAND_6C) < 0) {
+		dev_warn(devptr, "CMD 0x%x: failed!\n", COMMAND_6C);
 		return -EIO;
 	}
-	if (sc6000_write(vport, COMMAND_5C) < 0) {
-		snd_printk(KERN_ERR "CMD 0x%x: failed!\n", COMMAND_5C);
+	if (sc6000_write(devptr, vport, COMMAND_5C) < 0) {
+		dev_err(devptr, "CMD 0x%x: failed!\n", COMMAND_5C);
 		return -EIO;
 	}
-	if (sc6000_write(vport, cfg[0]) < 0) {
-		snd_printk(KERN_ERR "DATA 0x%x: failed!\n", cfg[0]);
+	if (sc6000_write(devptr, vport, cfg[0]) < 0) {
+		dev_err(devptr, "DATA 0x%x: failed!\n", cfg[0]);
 		return -EIO;
 	}
-	if (sc6000_write(vport, cfg[1]) < 0) {
-		snd_printk(KERN_ERR "DATA 0x%x: failed!\n", cfg[1]);
+	if (sc6000_write(devptr, vport, cfg[1]) < 0) {
+		dev_err(devptr, "DATA 0x%x: failed!\n", cfg[1]);
 		return -EIO;
 	}
-	if (sc6000_write(vport, COMMAND_C5) < 0) {
-		snd_printk(KERN_ERR "CMD 0x%x: failed!\n", COMMAND_C5);
+	if (sc6000_write(devptr, vport, COMMAND_C5) < 0) {
+		dev_err(devptr, "CMD 0x%x: failed!\n", COMMAND_C5);
 		return -EIO;
 	}
 
 	return 0;
 }
 
-static int sc6000_cfg_write(char __iomem *vport, unsigned char softcfg)
+static int sc6000_cfg_write(struct device *devptr,
+			    char __iomem *vport, unsigned char softcfg)
 {
 
-	if (sc6000_write(vport, WRITE_MDIRQ_CFG)) {
-		snd_printk(KERN_ERR "CMD 0x%x: failed!\n", WRITE_MDIRQ_CFG);
+	if (sc6000_write(devptr, vport, WRITE_MDIRQ_CFG)) {
+		dev_err(devptr, "CMD 0x%x: failed!\n", WRITE_MDIRQ_CFG);
 		return -EIO;
 	}
-	if (sc6000_write(vport, softcfg)) {
-		snd_printk(KERN_ERR "sc6000_cfg_write: failed!\n");
+	if (sc6000_write(devptr, vport, softcfg)) {
+		dev_err(devptr, "%s: failed!\n", __func__);
 		return -EIO;
 	}
 	return 0;
 }
 
-static int sc6000_setup_board(char __iomem *vport, int config)
+static int sc6000_setup_board(struct device *devptr,
+			      char __iomem *vport, int config)
 {
 	int loop = 10;
 
 	do {
-		if (sc6000_write(vport, COMMAND_88)) {
-			snd_printk(KERN_ERR "CMD 0x%x: failed!\n",
-				   COMMAND_88);
+		if (sc6000_write(devptr, vport, COMMAND_88)) {
+			dev_err(devptr, "CMD 0x%x: failed!\n",
+				COMMAND_88);
 			return -EIO;
 		}
 	} while ((sc6000_wait_data(vport) < 0) && loop--);
 
 	if (sc6000_read(vport) < 0) {
-		snd_printk(KERN_ERR "sc6000_read after CMD 0x%x: failed\n",
-			   COMMAND_88);
+		dev_err(devptr, "sc6000_read after CMD 0x%x: failed\n",
+			COMMAND_88);
 		return -EIO;
 	}
 
-	if (sc6000_cfg_write(vport, config))
+	if (sc6000_cfg_write(devptr, vport, config))
 		return -ENODEV;
 
 	return 0;
 }
 
-static int sc6000_init_mss(char __iomem *vport, int config,
+static int sc6000_init_mss(struct device *devptr,
+			   char __iomem *vport, int config,
 			   char __iomem *vmss_port, int mss_config)
 {
-	if (sc6000_write(vport, DSP_INIT_MSS)) {
-		snd_printk(KERN_ERR "sc6000_init_mss [0x%x]: failed!\n",
-			   DSP_INIT_MSS);
+	if (sc6000_write(devptr, vport, DSP_INIT_MSS)) {
+		dev_err(devptr, "%s [0x%x]: failed!\n", __func__,
+			DSP_INIT_MSS);
 		return -EIO;
 	}
 
 	msleep(10);
 
-	if (sc6000_cfg_write(vport, config))
+	if (sc6000_cfg_write(devptr, vport, config))
 		return -EIO;
 
 	iowrite8(mss_config, vmss_port);
@@ -348,7 +362,7 @@ static int sc6000_init_mss(char __iomem *vport, int config,
 	return 0;
 }
 
-static void sc6000_hw_cfg_encode(char __iomem *vport, int *cfg,
+static void sc6000_hw_cfg_encode(struct device *devptr, u8 *cfg,
 				 long xport, long xmpu,
 				 long xmss_port, int joystick)
 {
@@ -367,31 +381,88 @@ static void sc6000_hw_cfg_encode(char __iomem *vport, int *cfg,
 		cfg[0] |= 0x02;
 	cfg[1] |= 0x80;		/* enable WSS system */
 	cfg[1] &= ~0x40;	/* disable IDE */
-	snd_printd("hw cfg %x, %x\n", cfg[0], cfg[1]);
+	dev_dbg(devptr, "hw cfg %x, %x\n", cfg[0], cfg[1]);
+}
+
+static void sc6000_prepare_board(struct device *devptr,
+				 struct snd_sc6000 *sc6000,
+				 unsigned int dev, int xirq, int xdma)
+{
+	sc6000->mss_config = sc6000_irq_to_softcfg(xirq) |
+			     sc6000_dma_to_softcfg(xdma);
+	sc6000->config = sc6000->mss_config |
+			 sc6000_mpu_irq_to_softcfg(mpu_irq[dev]);
+	sc6000_hw_cfg_encode(devptr, sc6000->hw_cfg, port[dev], mpu_port[dev],
+			     mss_port[dev], joystick[dev]);
 }
 
-static int sc6000_init_board(char __iomem *vport,
-			     char __iomem *vmss_port, int dev)
+static void sc6000_detect_old_dsp(struct device *devptr,
+				  struct snd_sc6000 *sc6000)
+{
+	sc6000_write(devptr, sc6000->vport, COMMAND_5C);
+	sc6000->old_dsp = sc6000_read(sc6000->vport) < 0;
+}
+
+static int sc6000_program_board(struct device *devptr,
+				struct snd_sc6000 *sc6000)
+{
+	int err;
+
+	if (!sc6000->old_dsp) {
+		if (sc6000_hw_cfg_write(devptr, sc6000->vport,
+					sc6000->hw_cfg) < 0) {
+			dev_err(devptr, "sc6000_hw_cfg_write: failed!\n");
+			return -EIO;
+		}
+	}
+
+	err = sc6000_setup_board(devptr, sc6000->vport, sc6000->config);
+	if (err < 0) {
+		dev_err(devptr, "sc6000_setup_board: failed!\n");
+		return -ENODEV;
+	}
+
+	sc6000_dsp_reset(sc6000->vport);
+
+	if (!sc6000->old_dsp) {
+		sc6000_write(devptr, sc6000->vport, COMMAND_60);
+		sc6000_write(devptr, sc6000->vport, 0x02);
+		sc6000_dsp_reset(sc6000->vport);
+	}
+
+	err = sc6000_setup_board(devptr, sc6000->vport, sc6000->config);
+	if (err < 0) {
+		dev_err(devptr, "sc6000_setup_board: failed!\n");
+		return -ENODEV;
+	}
+
+	err = sc6000_init_mss(devptr, sc6000->vport, sc6000->config,
+			      sc6000->vmss_port, sc6000->mss_config);
+	if (err < 0) {
+		dev_err(devptr, "Cannot initialize Microsoft Sound System mode.\n");
+		return -ENODEV;
+	}
+
+	return 0;
+}
+
+static int sc6000_init_board(struct device *devptr, struct snd_sc6000 *sc6000)
 {
 	char answer[15];
 	char version[2];
-	int mss_config = sc6000_irq_to_softcfg(irq[dev]) |
-			 sc6000_dma_to_softcfg(dma[dev]);
-	int config = mss_config |
-		     sc6000_mpu_irq_to_softcfg(mpu_irq[dev]);
 	int err;
-	int old = 0;
 
-	err = sc6000_dsp_reset(vport);
+	err = sc6000_dsp_reset(sc6000->vport);
 	if (err < 0) {
-		snd_printk(KERN_ERR "sc6000_dsp_reset: failed!\n");
+		dev_err(devptr, "sc6000_dsp_reset: failed!\n");
 		return err;
 	}
 
 	memset(answer, 0, sizeof(answer));
-	err = sc6000_dsp_get_answer(vport, GET_DSP_COPYRIGHT, answer, 15);
+	err = sc6000_dsp_get_answer(devptr, sc6000->vport, GET_DSP_COPYRIGHT,
+				    answer, 15);
 	if (err <= 0) {
-		snd_printk(KERN_ERR "sc6000_dsp_copyright: failed!\n");
+		dev_err(devptr, "sc6000_dsp_copyright: failed!\n");
 		return -ENODEV;
 	}
 	/*
@@ -399,56 +470,19 @@ static int sc6000_init_board(char __iomem *vport,
 	 * if we have something different, we have to be warned.
 	 */
 	if (strncmp("SC-6000", answer, 7))
-		snd_printk(KERN_WARNING "Warning: non SC-6000 audio card!\n");
+		dev_warn(devptr, "Warning: non SC-6000 audio card!\n");
 
-	if (sc6000_dsp_get_answer(vport, GET_DSP_VERSION, version, 2) < 2) {
-		snd_printk(KERN_ERR "sc6000_dsp_version: failed!\n");
+	if (sc6000_dsp_get_answer(devptr, sc6000->vport,
+				  GET_DSP_VERSION, version, 2) < 2) {
+		dev_err(devptr, "sc6000_dsp_version: failed!\n");
 		return -ENODEV;
 	}
-	printk(KERN_INFO PFX "Detected model: %s, DSP version %d.%d\n",
+	dev_info(devptr, "Detected model: %s, DSP version %d.%d\n",
 		answer, version[0], version[1]);
 
-	/* set configuration */
-	sc6000_write(vport, COMMAND_5C);
-	if (sc6000_read(vport) < 0)
-		old = 1;
-
-	if (!old) {
-		int cfg[2];
-		sc6000_hw_cfg_encode(vport, &cfg[0], port[dev], mpu_port[dev],
-				     mss_port[dev], joystick[dev]);
-		if (sc6000_hw_cfg_write(vport, cfg) < 0) {
-			snd_printk(KERN_ERR "sc6000_hw_cfg_write: failed!\n");
-			return -EIO;
-		}
-	}
-	err = sc6000_setup_board(vport, config);
-	if (err < 0) {
-		snd_printk(KERN_ERR "sc6000_setup_board: failed!\n");
-		return -ENODEV;
-	}
-
-	sc6000_dsp_reset(vport);
-
-	if (!old) {
-		sc6000_write(vport, COMMAND_60);
-		sc6000_write(vport, 0x02);
-		sc6000_dsp_reset(vport);
-	}
+	sc6000_detect_old_dsp(devptr, sc6000);
 
-	err = sc6000_setup_board(vport, config);
-	if (err < 0) {
-		snd_printk(KERN_ERR "sc6000_setup_board: failed!\n");
-		return -ENODEV;
-	}
-	err = sc6000_init_mss(vport, config, vmss_port, mss_config);
-	if (err < 0) {
-		snd_printk(KERN_ERR "Cannot initialize "
-			   "Microsoft Sound System mode.\n");
-		return -ENODEV;
-	}
-
-	return 0;
+	return sc6000_program_board(devptr, sc6000);
 }
 
 static int snd_sc6000_mixer(struct snd_wss *chip)
@@ -491,39 +525,39 @@ static int snd_sc6000_match(struct device *devptr, unsigned int dev)
 	if (!enable[dev])
 		return 0;
 	if (port[dev] == SNDRV_AUTO_PORT) {
-		printk(KERN_ERR PFX "specify IO port\n");
+		dev_err(devptr, "specify IO port\n");
 		return 0;
 	}
 	if (mss_port[dev] == SNDRV_AUTO_PORT) {
-		printk(KERN_ERR PFX "specify MSS port\n");
+		dev_err(devptr, "specify MSS port\n");
 		return 0;
 	}
 	if (port[dev] != 0x220 && port[dev] != 0x240) {
-		printk(KERN_ERR PFX "Port must be 0x220 or 0x240\n");
+		dev_err(devptr, "Port must be 0x220 or 0x240\n");
 		return 0;
 	}
 	if (mss_port[dev] != 0x530 && mss_port[dev] != 0xe80) {
-		printk(KERN_ERR PFX "MSS port must be 0x530 or 0xe80\n");
+		dev_err(devptr, "MSS port must be 0x530 or 0xe80\n");
 		return 0;
 	}
 	if (irq[dev] != SNDRV_AUTO_IRQ && !sc6000_irq_to_softcfg(irq[dev])) {
-		printk(KERN_ERR PFX "invalid IRQ %d\n", irq[dev]);
+		dev_err(devptr, "invalid IRQ %d\n", irq[dev]);
 		return 0;
 	}
 	if (dma[dev] != SNDRV_AUTO_DMA && !sc6000_dma_to_softcfg(dma[dev])) {
-		printk(KERN_ERR PFX "invalid DMA %d\n", dma[dev]);
+		dev_err(devptr, "invalid DMA %d\n", dma[dev]);
 		return 0;
 	}
 	if (mpu_port[dev] != SNDRV_AUTO_PORT &&
 	    (mpu_port[dev] & ~0x30L) != 0x300) {
-		printk(KERN_ERR PFX "invalid MPU-401 port %lx\n",
+		dev_err(devptr, "invalid MPU-401 port %lx\n",
 			mpu_port[dev]);
 		return 0;
 	}
 	if (mpu_port[dev] != SNDRV_AUTO_PORT &&
 	    mpu_irq[dev] != SNDRV_AUTO_IRQ && mpu_irq[dev] != 0 &&
 	    !sc6000_mpu_irq_to_softcfg(mpu_irq[dev])) {
-		printk(KERN_ERR PFX "invalid MPU-401 IRQ %d\n", mpu_irq[dev]);
+		dev_err(devptr, "invalid MPU-401 IRQ %d\n", mpu_irq[dev]);
 		return 0;
 	}
 	return 1;
@@ -531,10 +565,10 @@ static int snd_sc6000_match(struct device *devptr, unsigned int dev)
 
 static void snd_sc6000_free(struct snd_card *card)
 {
-	char __iomem *vport = (char __force __iomem *)card->private_data;
+	struct snd_sc6000 *sc6000 = card->private_data;
 
-	if (vport)
-		sc6000_setup_board(vport, 0);
+	if (sc6000->vport)
+		sc6000_setup_board(card->dev, sc6000->vport, 0);
 }
 
 static int __snd_sc6000_probe(struct device *devptr, unsigned int dev)
@@ -545,20 +579,22 @@ static int __snd_sc6000_probe(struct device *devptr, unsigned int dev)
 	int xirq = irq[dev];
 	int xdma = dma[dev];
 	struct snd_card *card;
+	struct snd_sc6000 *sc6000;
 	struct snd_wss *chip;
 	struct snd_opl3 *opl3;
 	char __iomem *vport;
 	char __iomem *vmss_port;
 
 	err = snd_devm_card_new(devptr, index[dev], id[dev], THIS_MODULE,
-				0, &card);
+				sizeof(*sc6000), &card);
 	if (err < 0)
 		return err;
+	sc6000 = card->private_data;
 
 	if (xirq == SNDRV_AUTO_IRQ) {
 		xirq = snd_legacy_find_free_irq(possible_irqs);
 		if (xirq < 0) {
-			snd_printk(KERN_ERR PFX "unable to find a free IRQ\n");
+			dev_err(devptr, "unable to find a free IRQ\n");
 			return -EBUSY;
 		}
 	}
@@ -566,42 +602,42 @@ static int __snd_sc6000_probe(struct device *devptr, unsigned int dev)
 	if (xdma == SNDRV_AUTO_DMA) {
 		xdma = snd_legacy_find_free_dma(possible_dmas);
 		if (xdma < 0) {
-			snd_printk(KERN_ERR PFX "unable to find a free DMA\n");
+			dev_err(devptr, "unable to find a free DMA\n");
 			return -EBUSY;
 		}
 	}
 
 	if (!devm_request_region(devptr, port[dev], 0x10, DRV_NAME)) {
-		snd_printk(KERN_ERR PFX
-			   "I/O port region is already in use.\n");
+		dev_err(devptr, "I/O port region is already in use.\n");
 		return -EBUSY;
 	}
 	vport = devm_ioport_map(devptr, port[dev], 0x10);
 	if (!vport) {
-		snd_printk(KERN_ERR PFX
-			   "I/O port cannot be iomapped.\n");
+		dev_err(devptr, "I/O port cannot be iomapped.\n");
 		return -EBUSY;
 	}
-	card->private_data = (void __force *)vport;
+	sc6000->vport = vport;
 
 	/* to make it marked as used */
 	if (!devm_request_region(devptr, mss_port[dev], 4, DRV_NAME)) {
-		snd_printk(KERN_ERR PFX
-			   "SC-6000 port I/O port region is already in use.\n");
+		dev_err(devptr,
+			"SC-6000 port I/O port region is already in use.\n");
 		return -EBUSY;
 	}
 	vmss_port = devm_ioport_map(devptr, mss_port[dev], 4);
 	if (!vmss_port) {
-		snd_printk(KERN_ERR PFX
-			   "MSS port I/O cannot be iomapped.\n");
+		dev_err(devptr, "MSS port I/O cannot be iomapped.\n");
 		return -EBUSY;
 	}
+	sc6000->vmss_port = vmss_port;
+
+	dev_dbg(devptr, "Initializing BASE[0x%lx] IRQ[%d] DMA[%d] MIRQ[%d]\n",
+		port[dev], xirq, xdma,
+		mpu_irq[dev] == SNDRV_AUTO_IRQ ? 0 : mpu_irq[dev]);
 
-	snd_printd("Initializing BASE[0x%lx] IRQ[%d] DMA[%d] MIRQ[%d]\n",
-		   port[dev], xirq, xdma,
-		   mpu_irq[dev] == SNDRV_AUTO_IRQ ? 0 : mpu_irq[dev]);
+	sc6000_prepare_board(devptr, sc6000, dev, xirq, xdma);
 
-	err = sc6000_init_board(vport, vmss_port, dev);
+	err = sc6000_init_board(devptr, sc6000);
 	if (err < 0)
 		return err;
 	card->private_free = snd_sc6000_free;
@@ -613,25 +649,24 @@ static int __snd_sc6000_probe(struct device *devptr, unsigned int dev)
 
 	err = snd_wss_pcm(chip, 0);
 	if (err < 0) {
-		snd_printk(KERN_ERR PFX
-			   "error creating new WSS PCM device\n");
+		dev_err(devptr, "error creating new WSS PCM device\n");
 		return err;
 	}
 	err = snd_wss_mixer(chip);
 	if (err < 0) {
-		snd_printk(KERN_ERR PFX "error creating new WSS mixer\n");
+		dev_err(devptr, "error creating new WSS mixer\n");
 		return err;
 	}
 	err = snd_sc6000_mixer(chip);
 	if (err < 0) {
-		snd_printk(KERN_ERR PFX "the mixer rewrite failed\n");
+		dev_err(devptr, "the mixer rewrite failed\n");
 		return err;
 	}
 	if (snd_opl3_create(card,
 			    0x388, 0x388 + 2,
 			    OPL3_HW_AUTO, 0, &opl3) < 0) {
-		snd_printk(KERN_ERR PFX "no OPL device at 0x%x-0x%x ?\n",
-			   0x388, 0x388 + 2);
+		dev_err(devptr, "no OPL device at 0x%x-0x%x ?\n",
+			0x388, 0x388 + 2);
 	} else {
 		err = snd_opl3_hwdep_new(opl3, 0, 1, NULL);
 		if (err < 0)
@@ -645,8 +680,8 @@ static int __snd_sc6000_probe(struct device *devptr, unsigned int dev)
 					MPU401_HW_MPU401,
 					mpu_port[dev], 0,
 					mpu_irq[dev], NULL) < 0)
-			snd_printk(KERN_ERR "no MPU-401 device at 0x%lx ?\n",
-					mpu_port[dev]);
+			dev_err(devptr, "no MPU-401 device at 0x%lx ?\n",
+				mpu_port[dev]);
 	}
 
 	strcpy(card->driver, DRV_NAME);
diff --git a/sound/pci/asihpi/hpicmn.c b/sound/pci/asihpi/hpicmn.c
index 7d1abaedb46acc..f06f44b13d3d2d 100644
--- a/sound/pci/asihpi/hpicmn.c
+++ b/sound/pci/asihpi/hpicmn.c
@@ -276,6 +276,12 @@ static short find_control(u16 control_index,
 		return 0;
 	}
 
+	if (control_index >= p_cache->control_count) {
+		HPI_DEBUG_LOG(VERBOSE, "control_index out of bounce %d\n",
+			control_index);
+		return 0;
+	}
+
 	*pI = p_cache->p_info[control_index];
 	if (!*pI) {
 		HPI_DEBUG_LOG(VERBOSE, "Uncached Control %d\n",
diff --git a/sound/pci/asihpi/hpimsgx.c b/sound/pci/asihpi/hpimsgx.c
index 761fc62f68f16c..85a354cf082ff0 100644
--- a/sound/pci/asihpi/hpimsgx.c
+++ b/sound/pci/asihpi/hpimsgx.c
@@ -586,8 +586,10 @@ static u16 adapter_prepare(u16 adapter)
 		HPI_ADAPTER_OPEN);
 	hm.adapter_index = adapter;
 	hw_entry_point(&hm, &hr);
-	memcpy(&rESP_HPI_ADAPTER_OPEN[adapter], &hr,
-		sizeof(rESP_HPI_ADAPTER_OPEN[0]));
+	memcpy(&rESP_HPI_ADAPTER_OPEN[adapter].h, &hr,
+		sizeof(rESP_HPI_ADAPTER_OPEN[adapter].h));
+	memcpy(&rESP_HPI_ADAPTER_OPEN[adapter].a, &hr.u.ax.info,
+		sizeof(rESP_HPI_ADAPTER_OPEN[adapter].a));
 	if (hr.error)
 		return hr.error;
 
diff --git a/sound/pci/ctxfi/ctatc.c b/sound/pci/ctxfi/ctatc.c
index fbdb8a3d5b8e55..939539af68f636 100644
--- a/sound/pci/ctxfi/ctatc.c
+++ b/sound/pci/ctxfi/ctatc.c
@@ -791,7 +791,8 @@ static int spdif_passthru_playback_get_resources(struct ct_atc *atc,
 	struct src *src;
 	int err;
 	int n_amixer = apcm->substream->runtime->channels, i;
-	unsigned int pitch, rsr = atc->pll_rate;
+	unsigned int pitch;
+	unsigned int rsr = atc->pll_rate ? atc->pll_rate : atc->rsr;
 
 	/* first release old resources */
 	atc_pcm_release_resources(atc, apcm);
diff --git a/sound/pci/ctxfi/ctvmem.h b/sound/pci/ctxfi/ctvmem.h
index da54cbcdb0be4d..43a0065b40c354 100644
--- a/sound/pci/ctxfi/ctvmem.h
+++ b/sound/pci/ctxfi/ctvmem.h
@@ -15,7 +15,7 @@
 #ifndef CTVMEM_H
 #define CTVMEM_H
 
-#define CT_PTP_NUM	4	/* num of device page table pages */
+#define CT_PTP_NUM	1	/* num of device page table pages */
 
 #include <linux/mutex.h>
 #include <linux/list.h>
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index 2d653b73e6795a..82186c4364c9b8 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -42,7 +42,7 @@ struct conexant_spec {
 	unsigned int gpio_led;
 	unsigned int gpio_mute_led_mask;
 	unsigned int gpio_mic_led_mask;
-	bool is_cx8070_sn6140;
+	bool is_cx11880_sn6140;
 };
 
 
@@ -166,18 +166,18 @@ static void cxt_init_gpio_led(struct hda_codec *codec)
 
 static void cx_fixup_headset_recog(struct hda_codec *codec)
 {
-	unsigned int mic_persent;
+	unsigned int mic_present;
 
 	/* fix some headset type recognize fail issue, such as EDIFIER headset */
-	/* set micbiasd output current comparator threshold from 66% to 55%. */
+	/* set micbias output current comparator threshold from 66% to 55%. */
 	snd_hda_codec_write(codec, 0x1c, 0, 0x320, 0x010);
-	/* set OFF voltage for DFET from -1.2V to -0.8V, set headset micbias registor
+	/* set OFF voltage for DFET from -1.2V to -0.8V, set headset micbias register
 	 * value adjustment trim from 2.2K ohms to 2.0K ohms.
 	 */
 	snd_hda_codec_write(codec, 0x1c, 0, 0x3b0, 0xe10);
 	/* fix reboot headset type recognize fail issue */
-	mic_persent = snd_hda_codec_read(codec, 0x19, 0, AC_VERB_GET_PIN_SENSE, 0x0);
-	if (mic_persent & AC_PINSENSE_PRESENCE)
+	mic_present = snd_hda_codec_read(codec, 0x19, 0, AC_VERB_GET_PIN_SENSE, 0x0);
+	if (mic_present & AC_PINSENSE_PRESENCE)
 		/* enable headset mic VREF */
 		snd_hda_codec_write(codec, 0x19, 0, AC_VERB_SET_PIN_WIDGET_CONTROL, 0x24);
 	else
@@ -195,7 +195,7 @@ static int cx_auto_init(struct hda_codec *codec)
 	cxt_init_gpio_led(codec);
 	snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_INIT);
 
-	if (spec->is_cx8070_sn6140)
+	if (spec->is_cx11880_sn6140)
 		cx_fixup_headset_recog(codec);
 
 	return 0;
@@ -247,9 +247,9 @@ static void cx_update_headset_mic_vref(struct hda_codec *codec, struct hda_jack_
 {
 	unsigned int mic_present;
 
-	/* In cx8070 and sn6140, the node 16 can only be config to headphone or disabled,
-	 * the node 19 can only be config to microphone or disabled.
-	 * Check hp&mic tag to process headset pulgin&plugout.
+	/* In cx11880 and sn6140, the node 16 can only be configured to headphone or disabled,
+	 * the node 19 can only be configured to microphone or disabled.
+	 * Check hp&mic tag to process headset plugin & plugout.
 	 */
 	mic_present = snd_hda_codec_read(codec, 0x19, 0, AC_VERB_GET_PIN_SENSE, 0x0);
 	if (!(mic_present & AC_PINSENSE_PRESENCE)) /* mic plugout */
@@ -1199,6 +1199,7 @@ static void add_cx5051_fake_mutes(struct hda_codec *codec)
 static int patch_conexant_auto(struct hda_codec *codec)
 {
 	struct conexant_spec *spec;
+	struct hda_jack_callback *callback;
 	int err;
 
 	codec_info(codec, "%s: BIOS auto-probing.\n", codec->core.chip_name);
@@ -1210,12 +1211,17 @@ static int patch_conexant_auto(struct hda_codec *codec)
 	codec->spec = spec;
 	codec->patch_ops = cx_auto_patch_ops;
 
-	/* init cx8070/sn6140 flag and reset headset_present_flag */
+	/* init cx11880/sn6140 flag and reset headset_present_flag */
 	switch (codec->core.vendor_id) {
 	case 0x14f11f86:
 	case 0x14f11f87:
-		spec->is_cx8070_sn6140 = true;
-		snd_hda_jack_detect_enable_callback(codec, 0x19, cx_update_headset_mic_vref);
+		spec->is_cx11880_sn6140 = true;
+		callback = snd_hda_jack_detect_enable_callback(codec, 0x19,
+				cx_update_headset_mic_vref);
+		if (IS_ERR(callback)) {
+			err = PTR_ERR(callback);
+			goto error;
+		}
 		break;
 	}
 
@@ -1302,7 +1308,8 @@ static int patch_conexant_auto(struct hda_codec *codec)
  */
 
 static const struct hda_device_id snd_hda_id_conexant[] = {
-	HDA_CODEC_ENTRY(0x14f11f86, "CX8070", patch_conexant_auto),
+	HDA_CODEC_ENTRY(0x14f11f86, "CX11880", patch_conexant_auto),
+	HDA_CODEC_ENTRY(0x14f11f87, "SN6140", patch_conexant_auto),
 	HDA_CODEC_ENTRY(0x14f12008, "CX8200", patch_conexant_auto),
 	HDA_CODEC_ENTRY(0x14f120d0, "CX11970", patch_conexant_auto),
 	HDA_CODEC_ENTRY(0x14f120d1, "SN6180", patch_conexant_auto),
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 38fda5dbd75baf..bd8878f4896c87 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -6011,9 +6011,9 @@ static void alc_fixup_headset_mode_alc255_no_hp_mic(struct hda_codec *codec,
 		struct alc_spec *spec = codec->spec;
 		spec->parse_flags |= HDA_PINCFG_HEADSET_MIC;
 		alc255_set_default_jack_type(codec);
-	} 
-	else
+	} else {
 		alc_fixup_headset_mode(codec, fix, action);
+	}
 }
 
 static void alc288_update_headset_jack_cb(struct hda_codec *codec,
@@ -9354,6 +9354,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
 	SND_PCI_QUIRK(0x103c, 0x8788, "HP OMEN 15", ALC285_FIXUP_HP_MUTE_LED),
 	SND_PCI_QUIRK(0x103c, 0x87b7, "HP Laptop 14-fq0xxx", ALC236_FIXUP_HP_MUTE_LED_COEFBIT2),
 	SND_PCI_QUIRK(0x103c, 0x87c8, "HP", ALC287_FIXUP_HP_GPIO_LED),
+	SND_PCI_QUIRK(0x103c, 0x87cb, "HP Pavilion 15-eg0xxx", ALC287_FIXUP_HP_GPIO_LED),
 	SND_PCI_QUIRK(0x103c, 0x87cc, "HP Pavilion 15-eg0xxx", ALC287_FIXUP_HP_GPIO_LED),
 	SND_PCI_QUIRK(0x103c, 0x87d3, "HP Laptop 15-gw0xxx", ALC236_FIXUP_HP_MUTE_LED_COEFBIT2),
 	SND_PCI_QUIRK(0x103c, 0x87df, "HP ProBook 430 G8 Notebook PC", ALC236_FIXUP_HP_GPIO_LED),
diff --git a/sound/soc/codecs/ab8500-codec.c b/sound/soc/codecs/ab8500-codec.c
index 5525e1ccab7670..eaf12c28db83b3 100644
--- a/sound/soc/codecs/ab8500-codec.c
+++ b/sound/soc/codecs/ab8500-codec.c
@@ -2498,13 +2498,13 @@ static int ab8500_codec_probe(struct snd_soc_component *component)
 		return status;
 	}
 	fc = (struct filter_control *)
-		&ab8500_filter_controls[AB8500_FILTER_ANC_FIR].private_value;
+		ab8500_filter_controls[AB8500_FILTER_ANC_FIR].private_value;
 	drvdata->anc_fir_values = (long *)fc->value;
 	fc = (struct filter_control *)
-		&ab8500_filter_controls[AB8500_FILTER_ANC_IIR].private_value;
+		ab8500_filter_controls[AB8500_FILTER_ANC_IIR].private_value;
 	drvdata->anc_iir_values = (long *)fc->value;
 	fc = (struct filter_control *)
-		&ab8500_filter_controls[AB8500_FILTER_SID_FIR].private_value;
+		ab8500_filter_controls[AB8500_FILTER_SID_FIR].private_value;
 	drvdata->sid_fir_values = (long *)fc->value;
 
 	snd_soc_dapm_disable_pin(dapm, "ANC Configure Input");
diff --git a/sound/soc/fsl/fsl_easrc.c b/sound/soc/fsl/fsl_easrc.c
index 84ef6758cc0030..6422f515f37c67 100644
--- a/sound/soc/fsl/fsl_easrc.c
+++ b/sound/soc/fsl/fsl_easrc.c
@@ -54,6 +54,9 @@ static int fsl_easrc_iec958_put_bits(struct snd_kcontrol *kcontrol,
 	unsigned int regval = ucontrol->value.integer.value[0];
 	int ret;
 
+	if (regval < EASRC_WIDTH_16_BIT || regval > EASRC_WIDTH_24_BIT)
+		return -EINVAL;
+
 	ret = (easrc_priv->bps_iec958[mc->regbase] != regval);
 
 	easrc_priv->bps_iec958[mc->regbase] = regval;
@@ -70,8 +73,16 @@ static int fsl_easrc_iec958_get_bits(struct snd_kcontrol *kcontrol,
 	struct soc_mreg_control *mc =
 		(struct soc_mreg_control *)kcontrol->private_value;
 
-	ucontrol->value.enumerated.item[0] = easrc_priv->bps_iec958[mc->regbase];
+	ucontrol->value.integer.value[0] = easrc_priv->bps_iec958[mc->regbase];
+
+	return 0;
+}
 
+static int fsl_easrc_iec958_info(struct snd_kcontrol *kcontrol,
+				 struct snd_ctl_elem_info *uinfo)
+{
+	uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
+	uinfo->count = 1;
 	return 0;
 }
 
@@ -81,11 +92,33 @@ static int fsl_easrc_get_reg(struct snd_kcontrol *kcontrol,
 	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
 	struct soc_mreg_control *mc =
 		(struct soc_mreg_control *)kcontrol->private_value;
-	unsigned int regval;
+	struct fsl_asrc *easrc = snd_soc_component_get_drvdata(component);
+	unsigned int *regval = (unsigned int *)ucontrol->value.iec958.status;
+	int ret;
+
+	ret = regmap_read(easrc->regmap, REG_EASRC_CS0(mc->regbase), &regval[0]);
+	if (ret)
+		return ret;
 
-	regval = snd_soc_component_read(component, mc->regbase);
+	ret = regmap_read(easrc->regmap, REG_EASRC_CS1(mc->regbase), &regval[1]);
+	if (ret)
+		return ret;
+
+	ret = regmap_read(easrc->regmap, REG_EASRC_CS2(mc->regbase), &regval[2]);
+	if (ret)
+		return ret;
+
+	ret = regmap_read(easrc->regmap, REG_EASRC_CS3(mc->regbase), &regval[3]);
+	if (ret)
+		return ret;
+
+	ret = regmap_read(easrc->regmap, REG_EASRC_CS4(mc->regbase), &regval[4]);
+	if (ret)
+		return ret;
 
-	ucontrol->value.integer.value[0] = regval;
+	ret = regmap_read(easrc->regmap, REG_EASRC_CS5(mc->regbase), &regval[5]);
+	if (ret)
+		return ret;
 
 	return 0;
 }
@@ -97,22 +130,62 @@ static int fsl_easrc_set_reg(struct snd_kcontrol *kcontrol,
 	struct soc_mreg_control *mc =
 		(struct soc_mreg_control *)kcontrol->private_value;
 	struct fsl_asrc *easrc = snd_soc_component_get_drvdata(component);
-	unsigned int regval = ucontrol->value.integer.value[0];
-	bool changed;
+	unsigned int *regval = (unsigned int *)ucontrol->value.iec958.status;
+	bool changed, changed_all = false;
 	int ret;
 
-	ret = regmap_update_bits_check(easrc->regmap, mc->regbase,
-				       GENMASK(31, 0), regval, &changed);
-	if (ret != 0)
+	ret = pm_runtime_resume_and_get(component->dev);
+	if (ret)
 		return ret;
 
-	return changed;
+	ret = regmap_update_bits_check(easrc->regmap, REG_EASRC_CS0(mc->regbase),
+				       GENMASK(31, 0), regval[0], &changed);
+	if (ret != 0)
+		goto err;
+	changed_all |= changed;
+
+	ret = regmap_update_bits_check(easrc->regmap, REG_EASRC_CS1(mc->regbase),
+				       GENMASK(31, 0), regval[1], &changed);
+	if (ret != 0)
+		goto err;
+	changed_all |= changed;
+
+	ret = regmap_update_bits_check(easrc->regmap, REG_EASRC_CS2(mc->regbase),
+				       GENMASK(31, 0), regval[2], &changed);
+	if (ret != 0)
+		goto err;
+	changed_all |= changed;
+
+	ret = regmap_update_bits_check(easrc->regmap, REG_EASRC_CS3(mc->regbase),
+				       GENMASK(31, 0), regval[3], &changed);
+	if (ret != 0)
+		goto err;
+	changed_all |= changed;
+
+	ret = regmap_update_bits_check(easrc->regmap, REG_EASRC_CS4(mc->regbase),
+				       GENMASK(31, 0), regval[4], &changed);
+	if (ret != 0)
+		goto err;
+	changed_all |= changed;
+
+	ret = regmap_update_bits_check(easrc->regmap, REG_EASRC_CS5(mc->regbase),
+				       GENMASK(31, 0), regval[5], &changed);
+	if (ret != 0)
+		goto err;
+	changed_all |= changed;
+err:
+	pm_runtime_put_autosuspend(component->dev);
+
+	if (ret != 0)
+		return ret;
+	else
+		return changed_all;
 }
 
 #define SOC_SINGLE_REG_RW(xname, xreg) \
 {	.iface = SNDRV_CTL_ELEM_IFACE_PCM, .name = (xname), \
 	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE, \
-	.info = snd_soc_info_xr_sx, .get = fsl_easrc_get_reg, \
+	.info = fsl_easrc_iec958_info, .get = fsl_easrc_get_reg, \
 	.put = fsl_easrc_set_reg, \
 	.private_value = (unsigned long)&(struct soc_mreg_control) \
 		{ .regbase = xreg, .regcount = 1, .nbits = 32, \
@@ -143,30 +216,10 @@ static const struct snd_kcontrol_new fsl_easrc_snd_controls[] = {
 	SOC_SINGLE_VAL_RW("Context 2 IEC958 Bits Per Sample", 2),
 	SOC_SINGLE_VAL_RW("Context 3 IEC958 Bits Per Sample", 3),
 
-	SOC_SINGLE_REG_RW("Context 0 IEC958 CS0", REG_EASRC_CS0(0)),
-	SOC_SINGLE_REG_RW("Context 1 IEC958 CS0", REG_EASRC_CS0(1)),
-	SOC_SINGLE_REG_RW("Context 2 IEC958 CS0", REG_EASRC_CS0(2)),
-	SOC_SINGLE_REG_RW("Context 3 IEC958 CS0", REG_EASRC_CS0(3)),
-	SOC_SINGLE_REG_RW("Context 0 IEC958 CS1", REG_EASRC_CS1(0)),
-	SOC_SINGLE_REG_RW("Context 1 IEC958 CS1", REG_EASRC_CS1(1)),
-	SOC_SINGLE_REG_RW("Context 2 IEC958 CS1", REG_EASRC_CS1(2)),
-	SOC_SINGLE_REG_RW("Context 3 IEC958 CS1", REG_EASRC_CS1(3)),
-	SOC_SINGLE_REG_RW("Context 0 IEC958 CS2", REG_EASRC_CS2(0)),
-	SOC_SINGLE_REG_RW("Context 1 IEC958 CS2", REG_EASRC_CS2(1)),
-	SOC_SINGLE_REG_RW("Context 2 IEC958 CS2", REG_EASRC_CS2(2)),
-	SOC_SINGLE_REG_RW("Context 3 IEC958 CS2", REG_EASRC_CS2(3)),
-	SOC_SINGLE_REG_RW("Context 0 IEC958 CS3", REG_EASRC_CS3(0)),
-	SOC_SINGLE_REG_RW("Context 1 IEC958 CS3", REG_EASRC_CS3(1)),
-	SOC_SINGLE_REG_RW("Context 2 IEC958 CS3", REG_EASRC_CS3(2)),
-	SOC_SINGLE_REG_RW("Context 3 IEC958 CS3", REG_EASRC_CS3(3)),
-	SOC_SINGLE_REG_RW("Context 0 IEC958 CS4", REG_EASRC_CS4(0)),
-	SOC_SINGLE_REG_RW("Context 1 IEC958 CS4", REG_EASRC_CS4(1)),
-	SOC_SINGLE_REG_RW("Context 2 IEC958 CS4", REG_EASRC_CS4(2)),
-	SOC_SINGLE_REG_RW("Context 3 IEC958 CS4", REG_EASRC_CS4(3)),
-	SOC_SINGLE_REG_RW("Context 0 IEC958 CS5", REG_EASRC_CS5(0)),
-	SOC_SINGLE_REG_RW("Context 1 IEC958 CS5", REG_EASRC_CS5(1)),
-	SOC_SINGLE_REG_RW("Context 2 IEC958 CS5", REG_EASRC_CS5(2)),
-	SOC_SINGLE_REG_RW("Context 3 IEC958 CS5", REG_EASRC_CS5(3)),
+	SOC_SINGLE_REG_RW("Context 0 IEC958 CS", 0),
+	SOC_SINGLE_REG_RW("Context 1 IEC958 CS", 1),
+	SOC_SINGLE_REG_RW("Context 2 IEC958 CS", 2),
+	SOC_SINGLE_REG_RW("Context 3 IEC958 CS", 3),
 };
 
 /*
@@ -1286,7 +1339,7 @@ static int fsl_easrc_request_context(int channels, struct fsl_asrc_pair *ctx)
 /*
  * Release the context
  *
- * This funciton is mainly doing the revert thing in request context
+ * This function is mainly doing the revert thing in request context
  */
 static void fsl_easrc_release_context(struct fsl_asrc_pair *ctx)
 {
diff --git a/sound/soc/fsl/fsl_xcvr.c b/sound/soc/fsl/fsl_xcvr.c
index ae5960b2b6a951..446a81b1e14c7a 100644
--- a/sound/soc/fsl/fsl_xcvr.c
+++ b/sound/soc/fsl/fsl_xcvr.c
@@ -97,10 +97,17 @@ static int fsl_xcvr_arc_mode_put(struct snd_kcontrol *kcontrol,
 	struct fsl_xcvr *xcvr = snd_soc_dai_get_drvdata(dai);
 	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 	unsigned int *item = ucontrol->value.enumerated.item;
+	int val = snd_soc_enum_item_to_val(e, item[0]);
+	int ret;
 
-	xcvr->arc_mode = snd_soc_enum_item_to_val(e, item[0]);
+	if (val < 0 || val > 1)
+		return -EINVAL;
 
-	return 0;
+	ret = (xcvr->arc_mode != val);
+
+	xcvr->arc_mode = val;
+
+	return ret;
 }
 
 static int fsl_xcvr_arc_mode_get(struct snd_kcontrol *kcontrol,
@@ -198,10 +205,17 @@ static int fsl_xcvr_mode_put(struct snd_kcontrol *kcontrol,
 	struct fsl_xcvr *xcvr = snd_soc_dai_get_drvdata(dai);
 	struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
 	unsigned int *item = ucontrol->value.enumerated.item;
+	int val = snd_soc_enum_item_to_val(e, item[0]);
 	struct snd_soc_card *card = dai->component->card;
 	struct snd_soc_pcm_runtime *rtd;
+	int ret;
+
+	if (val < FSL_XCVR_MODE_SPDIF || val > FSL_XCVR_MODE_EARC)
+		return -EINVAL;
 
-	xcvr->mode = snd_soc_enum_item_to_val(e, item[0]);
+	ret = (xcvr->mode != val);
+
+	xcvr->mode = val;
 
 	fsl_xcvr_activate_ctl(dai, fsl_xcvr_arc_mode_kctl.name,
 			      (xcvr->mode == FSL_XCVR_MODE_ARC));
@@ -211,7 +225,7 @@ static int fsl_xcvr_mode_put(struct snd_kcontrol *kcontrol,
 	rtd = snd_soc_get_pcm_runtime(card, card->dai_link);
 	rtd->pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream_count =
 		(xcvr->mode == FSL_XCVR_MODE_SPDIF ? 1 : 0);
-	return 0;
+	return ret;
 }
 
 static int fsl_xcvr_mode_get(struct snd_kcontrol *kcontrol,
diff --git a/sound/soc/intel/boards/bytcr_wm5102.c b/sound/soc/intel/boards/bytcr_wm5102.c
index 9a4126f19d5f76..20b7185711105e 100644
--- a/sound/soc/intel/boards/bytcr_wm5102.c
+++ b/sound/soc/intel/boards/bytcr_wm5102.c
@@ -111,6 +111,7 @@ static int platform_clock_control(struct snd_soc_dapm_widget *w,
 		ret = byt_wm5102_prepare_and_enable_pll1(codec_dai, 48000);
 		if (ret) {
 			dev_err(card->dev, "Error setting codec sysclk: %d\n", ret);
+			clk_disable_unprepare(priv->mclk);
 			return ret;
 		}
 	} else {
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index af8554e96035fe..da652f2f09b612 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -2646,6 +2646,7 @@ int snd_soc_component_initialize(struct snd_soc_component *component,
 	INIT_LIST_HEAD(&component->dobj_list);
 	INIT_LIST_HEAD(&component->card_list);
 	INIT_LIST_HEAD(&component->list);
+	INIT_LIST_HEAD(&component->card_aux_list);
 	mutex_init(&component->io_mutex);
 
 	component->name = fmt_single_name(dev, &component->id);
diff --git a/sound/soc/sti/uniperif_player.c b/sound/soc/sti/uniperif_player.c
index dd9013c4766491..da07f825f3c5f1 100644
--- a/sound/soc/sti/uniperif_player.c
+++ b/sound/soc/sti/uniperif_player.c
@@ -1028,8 +1028,13 @@ static int uni_player_parse_dt_audio_glue(struct platform_device *pdev,
 		return PTR_ERR(regmap);
 	}
 
-	player->clk_sel = regmap_field_alloc(regmap, regfield[0]);
-	player->valid_sel = regmap_field_alloc(regmap, regfield[1]);
+	player->clk_sel = devm_regmap_field_alloc(&pdev->dev, regmap, regfield[0]);
+	if (IS_ERR(player->clk_sel))
+		return PTR_ERR(player->clk_sel);
+
+	player->valid_sel = devm_regmap_field_alloc(&pdev->dev, regmap, regfield[1]);
+	if (IS_ERR(player->valid_sel))
+		return PTR_ERR(player->valid_sel);
 
 	return 0;
 }
diff --git a/sound/soc/stm/stm32_sai_sub.c b/sound/soc/stm/stm32_sai_sub.c
index 5a4551f1a40dd0..fa6f06f1d38420 100644
--- a/sound/soc/stm/stm32_sai_sub.c
+++ b/sound/soc/stm/stm32_sai_sub.c
@@ -671,6 +671,7 @@ static int stm32_sai_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
 		break;
 	/* Left justified */
 	case SND_SOC_DAIFMT_MSB:
+		cr1 |= SAI_XCR1_CKSTR;
 		frcr |= SAI_XFRCR_FSPOL | SAI_XFRCR_FSDEF;
 		break;
 	/* Right justified */
@@ -678,9 +679,11 @@ static int stm32_sai_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
 		frcr |= SAI_XFRCR_FSPOL | SAI_XFRCR_FSDEF;
 		break;
 	case SND_SOC_DAIFMT_DSP_A:
+		cr1 |= SAI_XCR1_CKSTR;
 		frcr |= SAI_XFRCR_FSPOL | SAI_XFRCR_FSOFF;
 		break;
 	case SND_SOC_DAIFMT_DSP_B:
+		cr1 |= SAI_XCR1_CKSTR;
 		frcr |= SAI_XFRCR_FSPOL;
 		break;
 	default:
diff --git a/sound/usb/6fire/chip.c b/sound/usb/6fire/chip.c
index d562a30b087f01..835295e0807d96 100644
--- a/sound/usb/6fire/chip.c
+++ b/sound/usb/6fire/chip.c
@@ -53,11 +53,6 @@ static void usb6fire_chip_abort(struct sfire_chip *chip)
 			usb6fire_comm_abort(chip);
 		if (chip->control)
 			usb6fire_control_abort(chip);
-		if (chip->card) {
-			snd_card_disconnect(chip->card);
-			snd_card_free_when_closed(chip->card);
-			chip->card = NULL;
-		}
 	}
 }
 
@@ -170,6 +165,7 @@ destroy_chip:
 static void usb6fire_chip_disconnect(struct usb_interface *intf)
 {
 	struct sfire_chip *chip;
+	struct snd_card *card;
 
 	chip = usb_get_intfdata(intf);
 	if (chip) { /* if !chip, fw upload has been performed */
@@ -180,8 +176,19 @@ static void usb6fire_chip_disconnect(struct usb_interface *intf)
 			chips[chip->regidx] = NULL;
 			mutex_unlock(&register_mutex);
 
+			/*
+			 * Save card pointer before teardown.
+			 * snd_card_free_when_closed() may free card (and
+			 * the embedded chip) immediately, so it must be
+			 * called last and chip must not be accessed after.
+			 */
+			card = chip->card;
 			chip->shutdown = true;
+			if (card)
+				snd_card_disconnect(card);
 			usb6fire_chip_abort(chip);
+			if (card)
+				snd_card_free_when_closed(card);
 		}
 	}
 }
diff --git a/sound/usb/6fire/control.c b/sound/usb/6fire/control.c
index 9bd8dcbb68e419..7c2274120c7657 100644
--- a/sound/usb/6fire/control.c
+++ b/sound/usb/6fire/control.c
@@ -290,15 +290,17 @@ static int usb6fire_control_input_vol_put(struct snd_kcontrol *kcontrol,
 		struct snd_ctl_elem_value *ucontrol)
 {
 	struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
+	int vol0 = ucontrol->value.integer.value[0] - 15;
+	int vol1 = ucontrol->value.integer.value[1] - 15;
 	int changed = 0;
 
-	if (rt->input_vol[0] != ucontrol->value.integer.value[0]) {
-		rt->input_vol[0] = ucontrol->value.integer.value[0] - 15;
+	if (rt->input_vol[0] != vol0) {
+		rt->input_vol[0] = vol0;
 		rt->ivol_updated &= ~(1 << 0);
 		changed = 1;
 	}
-	if (rt->input_vol[1] != ucontrol->value.integer.value[1]) {
-		rt->input_vol[1] = ucontrol->value.integer.value[1] - 15;
+	if (rt->input_vol[1] != vol1) {
+		rt->input_vol[1] = vol1;
 		rt->ivol_updated &= ~(1 << 1);
 		changed = 1;
 	}
diff --git a/sound/usb/caiaq/control.c b/sound/usb/caiaq/control.c
index af459c49baf4c2..4598fb7e8be025 100644
--- a/sound/usb/caiaq/control.c
+++ b/sound/usb/caiaq/control.c
@@ -87,6 +87,7 @@ static int control_put(struct snd_kcontrol *kcontrol,
 	struct snd_usb_caiaqdev *cdev = caiaqdev(chip->card);
 	int pos = kcontrol->private_value;
 	int v = ucontrol->value.integer.value[0];
+	int ret;
 	unsigned char cmd;
 
 	switch (cdev->chip.usb_id) {
@@ -103,6 +104,10 @@ static int control_put(struct snd_kcontrol *kcontrol,
 
 	if (pos & CNT_INTVAL) {
 		int i = pos & ~CNT_INTVAL;
+		unsigned char old = cdev->control_state[i];
+
+		if (old == v)
+			return 0;
 
 		cdev->control_state[i] = v;
 
@@ -113,10 +118,11 @@ static int control_put(struct snd_kcontrol *kcontrol,
 			cdev->ep8_out_buf[0] = i;
 			cdev->ep8_out_buf[1] = v;
 
-			usb_bulk_msg(cdev->chip.dev,
-				     usb_sndbulkpipe(cdev->chip.dev, 8),
-				     cdev->ep8_out_buf, sizeof(cdev->ep8_out_buf),
-				     &actual_len, 200);
+			ret = usb_bulk_msg(cdev->chip.dev,
+					   usb_sndbulkpipe(cdev->chip.dev, 8),
+					   cdev->ep8_out_buf,
+					   sizeof(cdev->ep8_out_buf),
+					   &actual_len, 200);
 		} else if (cdev->chip.usb_id ==
 			USB_ID(USB_VID_NATIVEINSTRUMENTS, USB_PID_MASCHINECONTROLLER)) {
 
@@ -128,21 +134,36 @@ static int control_put(struct snd_kcontrol *kcontrol,
 				offset = MASCHINE_BANK_SIZE;
 			}
 
-			snd_usb_caiaq_send_command_bank(cdev, cmd, bank,
-					cdev->control_state + offset,
-					MASCHINE_BANK_SIZE);
+			ret = snd_usb_caiaq_send_command_bank(cdev, cmd, bank,
+							      cdev->control_state + offset,
+							      MASCHINE_BANK_SIZE);
 		} else {
-			snd_usb_caiaq_send_command(cdev, cmd,
-					cdev->control_state, sizeof(cdev->control_state));
+			ret = snd_usb_caiaq_send_command(cdev, cmd,
+							 cdev->control_state,
+							 sizeof(cdev->control_state));
+		}
+
+		if (ret < 0) {
+			cdev->control_state[i] = old;
+			return ret;
 		}
 	} else {
-		if (v)
-			cdev->control_state[pos / 8] |= 1 << (pos % 8);
-		else
-			cdev->control_state[pos / 8] &= ~(1 << (pos % 8));
+		int idx = pos / 8;
+		unsigned char mask = 1 << (pos % 8);
+		unsigned char old = cdev->control_state[idx];
+		unsigned char val = v ? (old | mask) : (old & ~mask);
 
-		snd_usb_caiaq_send_command(cdev, cmd,
-				cdev->control_state, sizeof(cdev->control_state));
+		if (old == val)
+			return 0;
+
+		cdev->control_state[idx] = val;
+		ret = snd_usb_caiaq_send_command(cdev, cmd,
+						 cdev->control_state,
+						 sizeof(cdev->control_state));
+		if (ret < 0) {
+			cdev->control_state[idx] = old;
+			return ret;
+		}
 	}
 
 	return 1;
@@ -640,4 +661,3 @@ int snd_usb_caiaq_control_init(struct snd_usb_caiaqdev *cdev)
 
 	return ret;
 }
-
diff --git a/sound/usb/caiaq/device.c b/sound/usb/caiaq/device.c
index 910b2ee83a173c..12f79e977c5a6f 100644
--- a/sound/usb/caiaq/device.c
+++ b/sound/usb/caiaq/device.c
@@ -290,7 +290,7 @@ int snd_usb_caiaq_set_auto_msg(struct snd_usb_caiaqdev *cdev,
 					  tmp, sizeof(tmp));
 }
 
-static void setup_card(struct snd_usb_caiaqdev *cdev)
+static int setup_card(struct snd_usb_caiaqdev *cdev)
 {
 	int ret;
 	char val[4];
@@ -325,8 +325,10 @@ static void setup_card(struct snd_usb_caiaqdev *cdev)
 		snd_usb_caiaq_send_command(cdev, EP1_CMD_READ_IO, NULL, 0);
 
 		if (!wait_event_timeout(cdev->ep1_wait_queue,
-					cdev->control_state[0] != 0xff, HZ))
-			return;
+					cdev->control_state[0] != 0xff, HZ)) {
+			dev_err(dev, "Read timeout for control state\n");
+			return -EINVAL;
+		}
 
 		/* fix up some defaults */
 		if ((cdev->control_state[1] != 2) ||
@@ -347,33 +349,43 @@ static void setup_card(struct snd_usb_caiaqdev *cdev)
 	    cdev->spec.num_digital_audio_out +
 	    cdev->spec.num_digital_audio_in > 0) {
 		ret = snd_usb_caiaq_audio_init(cdev);
-		if (ret < 0)
+		if (ret < 0) {
 			dev_err(dev, "Unable to set up audio system (ret=%d)\n", ret);
+			return ret;
+		}
 	}
 
 	if (cdev->spec.num_midi_in +
 	    cdev->spec.num_midi_out > 0) {
 		ret = snd_usb_caiaq_midi_init(cdev);
-		if (ret < 0)
+		if (ret < 0) {
 			dev_err(dev, "Unable to set up MIDI system (ret=%d)\n", ret);
+			return ret;
+		}
 	}
 
 #ifdef CONFIG_SND_USB_CAIAQ_INPUT
 	ret = snd_usb_caiaq_input_init(cdev);
-	if (ret < 0)
+	if (ret < 0 && ret != -ENODEV) {
 		dev_err(dev, "Unable to set up input system (ret=%d)\n", ret);
+		return ret;
+	}
 #endif
 
 	/* finally, register the card and all its sub-instances */
 	ret = snd_card_register(cdev->chip.card);
 	if (ret < 0) {
 		dev_err(dev, "snd_card_register() returned %d\n", ret);
-		snd_card_free(cdev->chip.card);
+		return ret;
 	}
 
 	ret = snd_usb_caiaq_control_init(cdev);
-	if (ret < 0)
+	if (ret < 0) {
 		dev_err(dev, "Unable to set up control system (ret=%d)\n", ret);
+		return ret;
+	}
+
+	return 0;
 }
 
 static void card_free(struct snd_card *card)
@@ -384,7 +396,7 @@ static void card_free(struct snd_card *card)
 	snd_usb_caiaq_input_free(cdev);
 #endif
 	snd_usb_caiaq_audio_free(cdev);
-	usb_reset_device(cdev->chip.dev);
+	usb_put_dev(cdev->chip.dev);
 }
 
 static int create_card(struct usb_device *usb_dev,
@@ -410,7 +422,8 @@ static int create_card(struct usb_device *usb_dev,
 		return err;
 
 	cdev = caiaqdev(card);
-	cdev->chip.dev = usb_dev;
+	cdev->chip.dev = usb_get_dev(usb_dev);
+	card->private_free = card_free;
 	cdev->chip.card = card;
 	cdev->chip.usb_id = USB_ID(le16_to_cpu(usb_dev->descriptor.idVendor),
 				  le16_to_cpu(usb_dev->descriptor.idProduct));
@@ -499,8 +512,10 @@ static int init_card(struct snd_usb_caiaqdev *cdev)
 	snprintf(card->longname, sizeof(card->longname), "%s %s (%s)",
 		       cdev->vendor_name, cdev->product_name, usbpath);
 
-	setup_card(cdev);
-	card->private_free = card_free;
+	err = setup_card(cdev);
+	if (err < 0)
+		goto err_kill_urb;
+
 	return 0;
 
  err_kill_urb:
diff --git a/sound/usb/caiaq/input.c b/sound/usb/caiaq/input.c
index a9130891bb696d..5c70fdf61cc139 100644
--- a/sound/usb/caiaq/input.c
+++ b/sound/usb/caiaq/input.c
@@ -804,7 +804,7 @@ int snd_usb_caiaq_input_init(struct snd_usb_caiaqdev *cdev)
 
 	default:
 		/* no input methods supported on this device */
-		ret = -EINVAL;
+		ret = -ENODEV;
 		goto exit_free_idev;
 	}
 
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index 22eb5de94c2bed..b9fa755c1ac150 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -1388,9 +1388,6 @@ int snd_usb_endpoint_set_params(struct snd_usb_audio *chip,
 		goto unlock;
 	}
 
-	ep->packsize[0] = min(ep->packsize[0], ep->maxframesize);
-	ep->packsize[1] = min(ep->packsize[1], ep->maxframesize);
-
 	/* calculate the frequency in 16.16 format */
 	ep->freqm = ep->freqn;
 	ep->freqshift = INT_MIN;
@@ -1417,6 +1414,9 @@ int snd_usb_endpoint_set_params(struct snd_usb_audio *chip,
 	ep->maxframesize = ep->maxpacksize / ep->cur_frame_bytes;
 	ep->curframesize = ep->curpacksize / ep->cur_frame_bytes;
 
+	ep->packsize[0] = min(ep->packsize[0], ep->maxframesize);
+	ep->packsize[1] = min(ep->packsize[1], ep->maxframesize);
+
 	err = update_clock_ref_rate(chip, ep);
 	if (err >= 0) {
 		ep->need_setup = false;
diff --git a/sound/usb/format.c b/sound/usb/format.c
index f33d25a4e4cc7c..662bd26850b69f 100644
--- a/sound/usb/format.c
+++ b/sound/usb/format.c
@@ -399,7 +399,7 @@ static int parse_uac2_sample_rate_range(struct snd_usb_audio *chip,
 			nr_rates++;
 			if (nr_rates >= MAX_NR_RATES) {
 				usb_audio_err(chip, "invalid uac2 rates\n");
-				break;
+				return nr_rates;
 			}
 
 skip_rate:
diff --git a/sound/usb/midi.c b/sound/usb/midi.c
index c6586da43a0484..f583b6623ded6f 100644
--- a/sound/usb/midi.c
+++ b/sound/usb/midi.c
@@ -1522,12 +1522,12 @@ static void snd_usbmidi_free(struct snd_usb_midi *umidi)
 {
 	int i;
 
+	if (!umidi->disconnected)
+		snd_usbmidi_disconnect(&umidi->list);
+
 	for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i) {
 		struct snd_usb_midi_endpoint *ep = &umidi->endpoints[i];
-		if (ep->out)
-			snd_usbmidi_out_endpoint_delete(ep->out);
-		if (ep->in)
-			snd_usbmidi_in_endpoint_delete(ep->in);
+		kfree(ep->out);
 	}
 	mutex_destroy(&umidi->mutex);
 	kfree(umidi);
@@ -1553,7 +1553,7 @@ void snd_usbmidi_disconnect(struct list_head *p)
 	spin_unlock_irq(&umidi->disc_lock);
 	up_write(&umidi->disc_rwsem);
 
-	del_timer_sync(&umidi->error_timer);
+	timer_shutdown_sync(&umidi->error_timer);
 
 	for (i = 0; i < MIDI_MAX_ENDPOINTS; ++i) {
 		struct snd_usb_midi_endpoint *ep = &umidi->endpoints[i];
@@ -1974,15 +1974,17 @@ static struct usb_ms_endpoint_descriptor *find_usb_ms_endpoint_descriptor(
 	while (extralen > 3) {
 		struct usb_ms_endpoint_descriptor *ms_ep =
 				(struct usb_ms_endpoint_descriptor *)extra;
+		int length = ms_ep->bLength;
+
+		if (!length || length > extralen)
+			break;
 
-		if (ms_ep->bLength > 3 &&
+		if (length > 3 &&
 		    ms_ep->bDescriptorType == USB_DT_CS_ENDPOINT &&
 		    ms_ep->bDescriptorSubtype == UAC_MS_GENERAL)
 			return ms_ep;
-		if (!extra[0])
-			break;
-		extralen -= extra[0];
-		extra += extra[0];
+		extralen -= length;
+		extra += length;
 	}
 	return NULL;
 }
diff --git a/sound/usb/misc/ua101.c b/sound/usb/misc/ua101.c
index 4f6b20ed29dd70..4d23ec97475d60 100644
--- a/sound/usb/misc/ua101.c
+++ b/sound/usb/misc/ua101.c
@@ -914,8 +914,9 @@ find_format_descriptor(struct usb_interface *interface)
 		struct uac_format_type_i_discrete_descriptor *desc;
 
 		desc = (struct uac_format_type_i_discrete_descriptor *)extra;
-		if (desc->bLength > extralen) {
-			dev_err(&interface->dev, "descriptor overflow\n");
+		if (desc->bLength < sizeof(struct usb_descriptor_header) ||
+		    desc->bLength > extralen) {
+			dev_err(&interface->dev, "invalid descriptor length\n");
 			return NULL;
 		}
 		if (desc->bLength == UAC_FORMAT_TYPE_I_DISCRETE_DESC_SIZE(1) &&
@@ -994,6 +995,13 @@ static int detect_usb_format(struct ua101 *ua)
 
 	ua->capture.channels = fmt_capture->bNrChannels;
 	ua->playback.channels = fmt_playback->bNrChannels;
+	if (!ua->capture.channels || !ua->playback.channels) {
+		dev_err(&ua->dev->dev,
+			"invalid channel count: capture %u, playback %u\n",
+			ua->capture.channels, ua->playback.channels);
+		return -EINVAL;
+	}
+
 	ua->capture.frame_bytes =
 		fmt_capture->bSubframeSize * ua->capture.channels;
 	ua->playback.frame_bytes =
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index f9d5df96cd63fe..85759bf58209b8 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -1220,6 +1220,13 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval,
 			cval->res = 16;
 		}
 		break;
+	case USB_ID(0x31b2, 0x0111): /* MOONDROP JU Jiu */
+		if (!strcmp(kctl->id.name, "PCM Playback Volume")) {
+			usb_audio_info(chip,
+				       "set volume quirk for MOONDROP JU Jiu\n");
+			cval->min = -10880; /* Mute under it */
+		}
+		break;
 	}
 }
 
@@ -1797,10 +1804,11 @@ static void __build_feature_ctl(struct usb_mixer_interface *mixer,
 
 	range = (cval->max - cval->min) / cval->res;
 	/*
-	 * There are definitely devices with a range of ~20,000, so let's be
-	 * conservative and allow for a bit more.
+	 * Are there devices with volume range more than 255? I use a bit more
+	 * to be sure. 384 is a resolution magic number found on Logitech
+	 * devices. It will definitively catch all buggy Logitech devices.
 	 */
-	if (range > 65535) {
+	if (range > 384) {
 		usb_audio_warn(mixer->chip,
 			       "Warning! Unlikely big volume range (=%u), cval->res is probably wrong.",
 			       range);
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index 177f64107bb1ee..e4e25847013bfd 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -1561,15 +1561,17 @@ void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
 {
 	struct usb_mixer_interface *mixer;
 	struct usb_mixer_elem_info *cval;
+	int err;
 	int unitid = 12; /* SampleRate ExtensionUnit ID */
 
 	list_for_each_entry(mixer, &chip->mixer_list, list) {
 		if (mixer->id_elems[unitid]) {
 			cval = mixer_elem_list_to_info(mixer->id_elems[unitid]);
-			snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR,
-						    cval->control << 8,
-						    samplerate_id);
-			snd_usb_mixer_notify_id(mixer, unitid);
+			err = snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR,
+							  cval->control << 8,
+							  samplerate_id);
+			if (!err)
+				snd_usb_mixer_notify_id(mixer, unitid);
 			break;
 		}
 	}
@@ -2064,7 +2066,7 @@ static int snd_microii_spdif_switch_put(struct snd_kcontrol *kcontrol,
 	int err;
 
 	reg = ucontrol->value.integer.value[0] ? 0x28 : 0x2a;
-	if (reg != list->kctl->private_value)
+	if (reg == list->kctl->private_value)
 		return 0;
 
 	kcontrol->private_value = reg;
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 33a1a354857211..acfad876362772 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1631,8 +1631,10 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
 
 	/* XMOS based USB DACs */
 	switch (chip->usb_id) {
-	case USB_ID(0x1511, 0x0037): /* AURALiC VEGA */
-	case USB_ID(0x21ed, 0xd75a): /* Accuphase DAC-60 option card */
+	case USB_ID(0x139f, 0x5504): /* Nagra DAC */
+	case USB_ID(0x20b1, 0x3089): /* Mola-Mola DAC */
+	case USB_ID(0x2522, 0x0007): /* LH Labs Geek Out 1V5 */
+	case USB_ID(0x2522, 0x0009): /* LH Labs Geek Pulse X Inifinity 2V0 */
 	case USB_ID(0x2522, 0x0012): /* LH Labs VI DAC Infinity */
 	case USB_ID(0x2772, 0x0230): /* Pro-Ject Pre Box S2 Digital */
 		if (fp->altsetting == 2)
@@ -1642,14 +1644,18 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
 	case USB_ID(0x0d8c, 0x0316): /* Hegel HD12 DSD */
 	case USB_ID(0x10cb, 0x0103): /* The Bit Opus #3; with fp->dsd_raw */
 	case USB_ID(0x16d0, 0x06b2): /* NuPrime DAC-10 */
-	case USB_ID(0x16d0, 0x09dd): /* Encore mDSD */
+	case USB_ID(0x16d0, 0x06b4): /* NuPrime Audio HD-AVP/AVA */
 	case USB_ID(0x16d0, 0x0733): /* Furutech ADL Stratos */
+	case USB_ID(0x16d0, 0x09d8): /* NuPrime IDA-8 */
 	case USB_ID(0x16d0, 0x09db): /* NuPrime Audio DAC-9 */
+	case USB_ID(0x16d0, 0x09dd): /* Encore mDSD */
 	case USB_ID(0x1db5, 0x0003): /* Bryston BDA3 */
+	case USB_ID(0x20a0, 0x4143): /* WaveIO USB Audio 2.0 */
 	case USB_ID(0x22e1, 0xca01): /* HDTA Serenade DSD */
 	case USB_ID(0x249c, 0x9326): /* M2Tech Young MkIII */
 	case USB_ID(0x2616, 0x0106): /* PS Audio NuWave DAC */
 	case USB_ID(0x2622, 0x0041): /* Audiolab M-DAC+ */
+	case USB_ID(0x278b, 0x5100): /* Rotel RC-1590 */
 	case USB_ID(0x27f7, 0x3002): /* W4S DAC-2v2SE */
 	case USB_ID(0x29a2, 0x0086): /* Mutec MC3+ USB */
 	case USB_ID(0x6b42, 0x0042): /* MSB Technology */
@@ -1659,9 +1665,6 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
 
 	/* Amanero Combo384 USB based DACs with native DSD support */
 	case USB_ID(0x16d0, 0x071a):  /* Amanero - Combo384 */
-	case USB_ID(0x2ab6, 0x0004):  /* T+A DAC8DSD-V2.0, MP1000E-V2.0, MP2000R-V2.0, MP2500R-V2.0, MP3100HV-V2.0 */
-	case USB_ID(0x2ab6, 0x0005):  /* T+A USB HD Audio 1 */
-	case USB_ID(0x2ab6, 0x0006):  /* T+A USB HD Audio 2 */
 		if (fp->altsetting == 2) {
 			switch (le16_to_cpu(chip->dev->descriptor.bcdDevice)) {
 			case 0x199:
@@ -1817,6 +1820,9 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = {
 		   QUIRK_FLAG_IFACE_DELAY),
 	DEVICE_FLG(0x0644, 0x805f, /* TEAC Model 12 */
 		   QUIRK_FLAG_FORCE_IFACE_RESET),
+	DEVICE_FLG(0x0644, 0x806b, /* TEAC UD-701 */
+		   QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY |
+		   QUIRK_FLAG_IFACE_DELAY),
 	DEVICE_FLG(0x06f8, 0xb000, /* Hercules DJ Console (Windows Edition) */
 		   QUIRK_FLAG_IGNORE_CTL_ERROR),
 	DEVICE_FLG(0x06f8, 0xd002, /* Hercules DJ Console (Macintosh Edition) */
@@ -1863,6 +1869,8 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = {
 		   QUIRK_FLAG_PLAYBACK_FIRST | QUIRK_FLAG_GENERIC_IMPLICIT_FB),
 	DEVICE_FLG(0x13e5, 0x0001, /* Serato Phono */
 		   QUIRK_FLAG_IGNORE_CTL_ERROR),
+	DEVICE_FLG(0x152a, 0x880a, /* NeuralDSP Quad Cortex */
+		   0), /* Doesn't have the vendor quirk which would otherwise apply */
 	DEVICE_FLG(0x154e, 0x1002, /* Denon DCD-1500RE */
 		   QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY),
 	DEVICE_FLG(0x154e, 0x1003, /* Denon DA-300USB */
@@ -1871,6 +1879,8 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = {
 		   QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY),
 	DEVICE_FLG(0x154e, 0x3006, /* Marantz SA-14S1 */
 		   QUIRK_FLAG_ITF_USB_DSD_DAC | QUIRK_FLAG_CTL_MSG_DELAY),
+	DEVICE_FLG(0x154e, 0x300b, /* Marantz SA-KI RUBY / SA-12 */
+		   QUIRK_FLAG_DSD_RAW),
 	DEVICE_FLG(0x154e, 0x500e, /* Denon DN-X1600 */
 		   QUIRK_FLAG_IGNORE_CLOCK_SOURCE),
 	DEVICE_FLG(0x1686, 0x00dd, /* Zoom R16/24 */
@@ -1927,6 +1937,10 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = {
 		   QUIRK_FLAG_SHARE_MEDIA_DEVICE | QUIRK_FLAG_ALIGN_TRANSFER),
 	DEVICE_FLG(0x21b4, 0x0081, /* AudioQuest DragonFly */
 		   QUIRK_FLAG_GET_SAMPLE_RATE),
+	DEVICE_FLG(0x21b4, 0x0230, /* Ayre QB-9 Twenty */
+		   QUIRK_FLAG_DSD_RAW),
+	DEVICE_FLG(0x21b4, 0x0232, /* Ayre QX-5 Twenty */
+		   QUIRK_FLAG_DSD_RAW),
 	DEVICE_FLG(0x2522, 0x0007, /* LH Labs Geek Out HD Audio 1V5 */
 		   QUIRK_FLAG_SET_IFACE_FIRST),
 	DEVICE_FLG(0x262a, 0x9302, /* ddHiFi TC44C */
@@ -1969,12 +1983,18 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = {
 		   QUIRK_FLAG_VALIDATE_RATES),
 	VENDOR_FLG(0x1235, /* Focusrite Novation */
 		   QUIRK_FLAG_VALIDATE_RATES),
+	VENDOR_FLG(0x1511, /* AURALiC */
+		   QUIRK_FLAG_DSD_RAW),
 	VENDOR_FLG(0x152a, /* Thesycon devices */
 		   QUIRK_FLAG_DSD_RAW),
+	VENDOR_FLG(0x18d1, /* iBasso devices */
+		   QUIRK_FLAG_DSD_RAW),
 	VENDOR_FLG(0x1de7, /* Phoenix Audio */
 		   QUIRK_FLAG_GET_SAMPLE_RATE),
 	VENDOR_FLG(0x20b1, /* XMOS based devices */
 		   QUIRK_FLAG_DSD_RAW),
+	VENDOR_FLG(0x21ed, /* Accuphase Laboratory */
+		   QUIRK_FLAG_DSD_RAW),
 	VENDOR_FLG(0x22d9, /* Oppo */
 		   QUIRK_FLAG_DSD_RAW),
 	VENDOR_FLG(0x23ba, /* Playback Design */
@@ -1990,10 +2010,14 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = {
 		   QUIRK_FLAG_DSD_RAW),
 	VENDOR_FLG(0x2ab6, /* T+A devices */
 		   QUIRK_FLAG_DSD_RAW),
+	VENDOR_FLG(0x2d87, /* Cayin device */
+		   QUIRK_FLAG_DSD_RAW),
 	VENDOR_FLG(0x3336, /* HEM devices */
 		   QUIRK_FLAG_DSD_RAW),
 	VENDOR_FLG(0x3353, /* Khadas devices */
 		   QUIRK_FLAG_DSD_RAW),
+	VENDOR_FLG(0x35f4, /* MSB Technology */
+		   QUIRK_FLAG_DSD_RAW),
 	VENDOR_FLG(0x3842, /* EVGA */
 		   QUIRK_FLAG_DSD_RAW),
 	VENDOR_FLG(0xc502, /* HiBy devices */
diff --git a/sound/usb/stream.c b/sound/usb/stream.c
index 12a5e053ec54fc..920a718f91e687 100644
--- a/sound/usb/stream.c
+++ b/sound/usb/stream.c
@@ -352,6 +352,8 @@ snd_pcm_chmap_elem *convert_chmap_v3(struct uac3_cluster_header_descriptor
 		if (len < sizeof(*cs_desc))
 			break;
 		cs_len = le16_to_cpu(cs_desc->wLength);
+		if (cs_len < sizeof(*cs_desc))
+			break;
 		if (len < cs_len)
 			break;
 		cs_type = cs_desc->bSegmentType;
@@ -991,7 +993,7 @@ snd_usb_get_audioformat_uac3(struct snd_usb_audio *chip,
 	 * and request Cluster Descriptor
 	 */
 	wLength = le16_to_cpu(hc_header.wLength);
-	if (wLength < sizeof(cluster))
+	if (wLength < sizeof(*cluster))
 		return NULL;
 	cluster = kzalloc(wLength, GFP_KERNEL);
 	if (!cluster)
diff --git a/tools/lib/bpf/relo_core.c b/tools/lib/bpf/relo_core.c
index 4016ed492d0c20..5976a8e6c7d194 100644
--- a/tools/lib/bpf/relo_core.c
+++ b/tools/lib/bpf/relo_core.c
@@ -184,6 +184,8 @@ static int bpf_core_parse_spec(const struct btf *btf,
 			++spec_str;
 		if (sscanf(spec_str, "%d%n", &access_idx, &parsed_len) != 1)
 			return -EINVAL;
+		if (access_idx < 0)
+			return -EINVAL;
 		if (spec->raw_len == BPF_CORE_SPEC_MAX_LEN)
 			return -E2BIG;
 		spec_str += parsed_len;
diff --git a/tools/perf/util/branch.h b/tools/perf/util/branch.h
index 17b2ccc61094bf..9a20b6fc8dda26 100644
--- a/tools/perf/util/branch.h
+++ b/tools/perf/util/branch.h
@@ -63,6 +63,9 @@ static inline struct branch_entry *perf_sample__branch_entries(struct perf_sampl
 {
 	u64 *entry = (u64 *)sample->branch_stack;
 
+	if (entry == NULL)
+		return NULL;
+
 	entry++;
 	if (sample->no_hw_idx)
 		return (struct branch_entry *)entry;
diff --git a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c
index 31fa3b45134a25..fc74a95a23faf6 100644
--- a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c
+++ b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.c
@@ -214,46 +214,24 @@ cs_etm_decoder__init_def_logger_printing(struct cs_etm_decoder_params *d_params,
 					      (void *)decoder,
 					      cs_etm_decoder__print_str_cb);
 	if (ret != 0)
-		ret = -1;
-
-	return 0;
-}
+		return -1;
 
 #ifdef CS_LOG_RAW_FRAMES
-static void
-cs_etm_decoder__init_raw_frame_logging(struct cs_etm_decoder_params *d_params,
-				       struct cs_etm_decoder *decoder)
-{
-	/* Only log these during a --dump operation */
-	if (d_params->operation == CS_ETM_OPERATION_PRINT) {
-		/* set up a library default logger to process the
-		 *  raw frame printer we add later
-		 */
-		ocsd_def_errlog_init(OCSD_ERR_SEV_ERROR, 1);
-
-		/* no stdout / err / file output */
-		ocsd_def_errlog_config_output(C_API_MSGLOGOUT_FLG_NONE, NULL);
-
-		/* set the string CB for the default logger,
-		 * passes strings to perf print logger.
-		 */
-		ocsd_def_errlog_set_strprint_cb(decoder->dcd_tree,
-						(void *)decoder,
-						cs_etm_decoder__print_str_cb);
-
+	/*
+	 * Only log raw frames if --dump operation and hardware is actually
+	 * generating formatted CoreSight trace frames
+	 */
+	if ((d_params->operation == CS_ETM_OPERATION_PRINT) &&
+	    (d_params->formatted == true)) {
 		/* use the built in library printer for the raw frames */
-		ocsd_dt_set_raw_frame_printer(decoder->dcd_tree,
-					      CS_RAW_DEBUG_FLAGS);
+		ret = ocsd_dt_set_raw_frame_printer(decoder->dcd_tree,
+						    CS_RAW_DEBUG_FLAGS);
+		if (ret != 0)
+			return -1;
 	}
-}
-#else
-static void
-cs_etm_decoder__init_raw_frame_logging(
-		struct cs_etm_decoder_params *d_params __maybe_unused,
-		struct cs_etm_decoder *decoder __maybe_unused)
-{
-}
 #endif
+	return 0;
+}
 
 static ocsd_datapath_resp_t
 cs_etm_decoder__do_soft_timestamp(struct cs_etm_queue *etmq,
@@ -716,9 +694,6 @@ cs_etm_decoder__new(int decoders, struct cs_etm_decoder_params *d_params,
 	if (ret != 0)
 		goto err_free_decoder;
 
-	/* init raw frame logging if required */
-	cs_etm_decoder__init_raw_frame_logging(d_params, decoder);
-
 	for (i = 0; i < decoders; i++) {
 		ret = cs_etm_decoder__create_etm_decoder(d_params,
 							 &t_params[i],
diff --git a/tools/perf/util/expr.c b/tools/perf/util/expr.c
index a850fd0be3ee2a..45e54c1caa7244 100644
--- a/tools/perf/util/expr.c
+++ b/tools/perf/util/expr.c
@@ -275,7 +275,8 @@ int expr__find_other(const char *expr, const char *one,
 	if (one)
 		expr__del_id(ctx, one);
 
-	return ret;
+	/* A positive value means syntax error, convert to -EINVAL */
+	return ret > 0 ? -EINVAL : ret;
 }
 
 double expr_id_data__value(const struct expr_id_data *data)
diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h
index 9f0d36ba77f2d1..130c68dff4ce02 100644
--- a/tools/perf/util/util.h
+++ b/tools/perf/util/util.h
@@ -14,7 +14,6 @@
 
 /* General helper functions */
 void usage(const char *err) __noreturn;
-void die(const char *err, ...) __noreturn __printf(1, 2);
 
 struct dirent;
 struct strlist;
diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index 26544bba3f8f4c..df8588dadc2ca0 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -98,6 +98,7 @@ my $test_type;
 my $build_type;
 my $build_options;
 my $final_post_ktest;
+my $post_ktest_done = 0;
 my $pre_ktest;
 my $post_ktest;
 my $pre_test;
@@ -1530,6 +1531,24 @@ sub get_test_name() {
     return $name;
 }
 
+sub run_post_ktest {
+    my $cmd;
+
+    return if ($post_ktest_done);
+
+    if (defined($final_post_ktest)) {
+	$cmd = $final_post_ktest;
+    } elsif (defined($post_ktest)) {
+	$cmd = $post_ktest;
+    } else {
+	return;
+    }
+
+    my $cp_post_ktest = eval_kernel_version($cmd);
+    run_command $cp_post_ktest;
+    $post_ktest_done = 1;
+}
+
 sub dodie {
     # avoid recursion
     return if ($in_die);
@@ -1589,6 +1608,7 @@ sub dodie {
     if (defined($post_test)) {
 	run_command $post_test;
     }
+    run_post_ktest;
 
     die @_, "\n";
 }
@@ -1770,7 +1790,7 @@ sub save_logs {
     my ($result, $basedir) = @_;
     my @t = localtime;
     my $date = sprintf "%04d%02d%02d%02d%02d%02d",
-	1900+$t[5],$t[4],$t[3],$t[2],$t[1],$t[0];
+	1900+$t[5],$t[4]+1,$t[3],$t[2],$t[1],$t[0];
 
     my $type = $build_type;
     if ($type =~ /useconfig/) {
@@ -2465,7 +2485,7 @@ sub check_buildlog {
     my $save_no_reboot = $no_reboot;
     $no_reboot = 1;
 
-    if (-f $warnings_file) {
+    if (defined($warnings_file) && -f $warnings_file) {
 	open(IN, $warnings_file) or
 	    dodie "Error opening $warnings_file";
 
@@ -4106,7 +4126,8 @@ sub __set_test_option {
 
     my $option = "$name\[$i\]";
 
-    if (option_defined($option)) {
+    if (exists($opt{$option})) {
+	return undef if (!option_defined($option));
 	return $opt{$option};
     }
 
@@ -4114,7 +4135,8 @@ sub __set_test_option {
 	if ($i >= $test &&
 	    $i < $test + $repeat_tests{$test}) {
 	    $option = "$name\[$test\]";
-	    if (option_defined($option)) {
+	    if (exists($opt{$option})) {
+		return undef if (!option_defined($option));
 		return $opt{$option};
 	    }
 	}
@@ -4221,6 +4243,7 @@ sub cancel_test {
 	send_email("KTEST: Your [$name] test was cancelled",
 	    "Your test started at $script_start_time was cancelled: sig int");
     }
+    run_post_ktest;
     die "\nCaught Sig Int, test interrupted: $!\n"
 }
 
@@ -4531,11 +4554,7 @@ for (my $i = 1; $i <= $opt{"NUM_TESTS"}; $i++) {
     success $i;
 }
 
-if (defined($final_post_ktest)) {
-
-    my $cp_final_post_ktest = eval_kernel_version $final_post_ktest;
-    run_command $cp_final_post_ktest;
-}
+run_post_ktest;
 
 if ($opt{"POWEROFF_ON_SUCCESS"}) {
     halt;
diff --git a/tools/testing/selftests/cgroup/test_memcontrol.c b/tools/testing/selftests/cgroup/test_memcontrol.c
index c19a97dd02d496..07ce722b2533b3 100644
--- a/tools/testing/selftests/cgroup/test_memcontrol.c
+++ b/tools/testing/selftests/cgroup/test_memcontrol.c
@@ -833,8 +833,11 @@ static int tcp_server(const char *cgroup, void *arg)
 	saddr.sin6_port = htons(srv_args->port);
 
 	sk = socket(AF_INET6, SOCK_STREAM, 0);
-	if (sk < 0)
+	if (sk < 0) {
+		/* Pass back errno to the ctl_fd */
+		write(ctl_fd, &errno, sizeof(errno));
 		return ret;
+	}
 
 	if (setsockopt(sk, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes)) < 0)
 		goto cleanup;
@@ -964,6 +967,12 @@ static int test_memcg_sock(const char *root)
 			goto cleanup;
 		close(args.ctl[0]);
 
+		/* Skip if address family not supported by protocol */
+		if (err == EAFNOSUPPORT) {
+			ret = KSFT_SKIP;
+			goto cleanup;
+		}
+
 		if (!err)
 			break;
 		if (err != EADDRINUSE)
diff --git a/tools/testing/selftests/mqueue/setting b/tools/testing/selftests/mqueue/setting
deleted file mode 100644
index a953c96aa16e1e..00000000000000
--- a/tools/testing/selftests/mqueue/setting
+++ /dev/null
@@ -1 +0,0 @@
-timeout=180
diff --git a/tools/testing/selftests/mqueue/settings b/tools/testing/selftests/mqueue/settings
new file mode 100644
index 00000000000000..a953c96aa16e1e
--- /dev/null
+++ b/tools/testing/selftests/mqueue/settings
@@ -0,0 +1 @@
+timeout=180
diff --git a/virt/kvm/dirty_ring.c b/virt/kvm/dirty_ring.c
index 88f4683198ea75..4a2c0aa7e00145 100644
--- a/virt/kvm/dirty_ring.c
+++ b/virt/kvm/dirty_ring.c
@@ -58,7 +58,8 @@ static void kvm_reset_dirty_gfn(struct kvm *kvm, u32 slot, u64 offset, u64 mask)
 
 	memslot = id_to_memslot(__kvm_memslots(kvm, as_id), id);
 
-	if (!memslot || (offset + __fls(mask)) >= memslot->npages)
+	if (!memslot || offset >= memslot->npages ||
+	    offset + __fls(mask) >= memslot->npages)
 		return;
 
 	KVM_MMU_LOCK(kvm);
