diff --git a/Makefile b/Makefile
index d00b00f0c54f..4a0b186ffc48 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 6
 PATCHLEVEL = 6
-SUBLEVEL = 139
-EXTRAVERSION =
+SUBLEVEL = 140
+EXTRAVERSION = -rc1
 NAME = Pinguïn Aangedreven
 
 # *DOCUMENTATION*
diff --git a/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi b/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi
index e98d043e5746..7c1063f5b18b 100644
--- a/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-verdin.dtsi
@@ -507,16 +507,16 @@ AM62X_IOPAD(0x15c, PIN_INPUT, 0)  /* (AB22) MDIO0_MDIO */ /* ETH_1_MDIO, SODIMM
 	/* On-module eMMC */
 	pinctrl_sdhci0: main-mmc0-default-pins {
 		pinctrl-single,pins = <
-			AM62X_IOPAD(0x220, PIN_INPUT, 0) /*  (Y3) MMC0_CMD  */
-			AM62X_IOPAD(0x218, PIN_INPUT, 0) /* (AB1) MMC0_CLK  */
-			AM62X_IOPAD(0x214, PIN_INPUT, 0) /* (AA2) MMC0_DAT0 */
-			AM62X_IOPAD(0x210, PIN_INPUT, 0) /* (AA1) MMC0_DAT1 */
-			AM62X_IOPAD(0x20c, PIN_INPUT, 0) /* (AA3) MMC0_DAT2 */
-			AM62X_IOPAD(0x208, PIN_INPUT, 0) /*  (Y4) MMC0_DAT3 */
-			AM62X_IOPAD(0x204, PIN_INPUT, 0) /* (AB2) MMC0_DAT4 */
-			AM62X_IOPAD(0x200, PIN_INPUT, 0) /* (AC1) MMC0_DAT5 */
-			AM62X_IOPAD(0x1fc, PIN_INPUT, 0) /* (AD2) MMC0_DAT6 */
-			AM62X_IOPAD(0x1f8, PIN_INPUT, 0) /* (AC2) MMC0_DAT7 */
+			AM62X_IOPAD(0x220, PIN_INPUT,        0) /*  (Y3) MMC0_CMD  */
+			AM62X_IOPAD(0x218, PIN_INPUT,        0) /* (AB1) MMC0_CLK  */
+			AM62X_IOPAD(0x214, PIN_INPUT,        0) /* (AA2) MMC0_DAT0 */
+			AM62X_IOPAD(0x210, PIN_INPUT_PULLUP, 0) /* (AA1) MMC0_DAT1 */
+			AM62X_IOPAD(0x20c, PIN_INPUT_PULLUP, 0) /* (AA3) MMC0_DAT2 */
+			AM62X_IOPAD(0x208, PIN_INPUT_PULLUP, 0) /*  (Y4) MMC0_DAT3 */
+			AM62X_IOPAD(0x204, PIN_INPUT_PULLUP, 0) /* (AB2) MMC0_DAT4 */
+			AM62X_IOPAD(0x200, PIN_INPUT_PULLUP, 0) /* (AC1) MMC0_DAT5 */
+			AM62X_IOPAD(0x1fc, PIN_INPUT_PULLUP, 0) /* (AD2) MMC0_DAT6 */
+			AM62X_IOPAD(0x1f8, PIN_INPUT_PULLUP, 0) /* (AC2) MMC0_DAT7 */
 		>;
 	};
 
diff --git a/arch/arm64/crypto/aes-modes.S b/arch/arm64/crypto/aes-modes.S
index 0e834a2c062c..e793478f37c1 100644
--- a/arch/arm64/crypto/aes-modes.S
+++ b/arch/arm64/crypto/aes-modes.S
@@ -838,7 +838,7 @@ 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 */
@@ -852,7 +852,7 @@ 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/arm64/kvm/arm.c b/arch/arm64/kvm/arm.c
index fe4314af8eec..3ae529e967c7 100644
--- a/arch/arm64/kvm/arm.c
+++ b/arch/arm64/kvm/arm.c
@@ -557,6 +557,11 @@ int kvm_arch_vcpu_ioctl_set_mpstate(struct kvm_vcpu *vcpu,
 int kvm_arch_vcpu_runnable(struct kvm_vcpu *v)
 {
 	bool irq_lines = *vcpu_hcr(v) & (HCR_VI | HCR_VF);
+
+	irq_lines |= (!irqchip_in_kernel(v->kvm) &&
+		      (kvm_timer_should_notify_user(v) ||
+		       kvm_pmu_should_notify_user(v)));
+
 	return ((irq_lines || kvm_vgic_vcpu_pending_irq(v))
 		&& !kvm_arm_vcpu_stopped(v) && !v->arch.pause);
 }
diff --git a/arch/arm64/kvm/hyp/nvhe/setup.c b/arch/arm64/kvm/hyp/nvhe/setup.c
index 0d5e0a89ddce..29df463ab350 100644
--- a/arch/arm64/kvm/hyp/nvhe/setup.c
+++ b/arch/arm64/kvm/hyp/nvhe/setup.c
@@ -284,10 +284,6 @@ void __noreturn __pkvm_init_finalise(void)
 	};
 	pkvm_pgtable.mm_ops = &pkvm_pgtable_mm_ops;
 
-	ret = fix_host_ownership();
-	if (ret)
-		goto out;
-
 	ret = fix_hyp_pgtable_refcnt();
 	if (ret)
 		goto out;
@@ -296,6 +292,10 @@ void __noreturn __pkvm_init_finalise(void)
 	if (ret)
 		goto out;
 
+	ret = fix_host_ownership();
+	if (ret)
+		goto out;
+
 	ret = hyp_ffa_init(ffa_proxy_pages);
 	if (ret)
 		goto out;
diff --git a/arch/arm64/kvm/vgic/vgic-mmio-v2.c b/arch/arm64/kvm/vgic/vgic-mmio-v2.c
index e070cda86e12..d26155b7ce1e 100644
--- a/arch/arm64/kvm/vgic/vgic-mmio-v2.c
+++ b/arch/arm64/kvm/vgic/vgic-mmio-v2.c
@@ -91,7 +91,7 @@ static int vgic_mmio_uaccess_write_v2_misc(struct kvm_vcpu *vcpu,
 		 * migration from old kernels to new kernels with legacy
 		 * userspace.
 		 */
-		reg = FIELD_GET(GICD_IIDR_REVISION_MASK, reg);
+		reg = FIELD_GET(GICD_IIDR_REVISION_MASK, val);
 		switch (reg) {
 		case KVM_VGIC_IMP_REV_2:
 		case KVM_VGIC_IMP_REV_3:
diff --git a/arch/arm64/kvm/vgic/vgic-mmio-v3.c b/arch/arm64/kvm/vgic/vgic-mmio-v3.c
index 7c0b23415ad9..4c470f20adab 100644
--- a/arch/arm64/kvm/vgic/vgic-mmio-v3.c
+++ b/arch/arm64/kvm/vgic/vgic-mmio-v3.c
@@ -167,7 +167,7 @@ static int vgic_mmio_uaccess_write_v3_misc(struct kvm_vcpu *vcpu,
 		if ((reg ^ val) & ~GICD_IIDR_REVISION_MASK)
 			return -EINVAL;
 
-		reg = FIELD_GET(GICD_IIDR_REVISION_MASK, reg);
+		reg = FIELD_GET(GICD_IIDR_REVISION_MASK, val);
 		switch (reg) {
 		case KVM_VGIC_IMP_REV_2:
 		case KVM_VGIC_IMP_REV_3:
diff --git a/arch/arm64/mm/mmu.c b/arch/arm64/mm/mmu.c
index d6411f7f0b72..8c5cbf4c858d 100644
--- a/arch/arm64/mm/mmu.c
+++ b/arch/arm64/mm/mmu.c
@@ -870,10 +870,14 @@ static void unmap_hotplug_pte_range(pmd_t *pmdp, unsigned long addr,
 
 		WARN_ON(!pte_present(pte));
 		pte_clear(&init_mm, addr, ptep);
-		flush_tlb_kernel_range(addr, addr + PAGE_SIZE);
-		if (free_mapped)
+		if (free_mapped) {
+			/* CONT blocks are not supported in the vmemmap */
+			WARN_ON(pte_cont(pte));
+			flush_tlb_kernel_range(addr, addr + PAGE_SIZE);
 			free_hotplug_page_range(pte_page(pte),
 						PAGE_SIZE, altmap);
+		}
+		/* unmap_hotplug_range() flushes TLB for !free_mapped */
 	} while (addr += PAGE_SIZE, addr < end);
 }
 
@@ -894,15 +898,14 @@ static void unmap_hotplug_pmd_range(pud_t *pudp, unsigned long addr,
 		WARN_ON(!pmd_present(pmd));
 		if (pmd_sect(pmd)) {
 			pmd_clear(pmdp);
-
-			/*
-			 * One TLBI should be sufficient here as the PMD_SIZE
-			 * range is mapped with a single block entry.
-			 */
-			flush_tlb_kernel_range(addr, addr + PAGE_SIZE);
-			if (free_mapped)
+			if (free_mapped) {
+				/* CONT blocks are not supported in the vmemmap */
+				WARN_ON(pmd_cont(pmd));
+				flush_tlb_kernel_range(addr, addr + PMD_SIZE);
 				free_hotplug_page_range(pmd_page(pmd),
 							PMD_SIZE, altmap);
+			}
+			/* unmap_hotplug_range() flushes TLB for !free_mapped */
 			continue;
 		}
 		WARN_ON(!pmd_table(pmd));
@@ -927,15 +930,12 @@ static void unmap_hotplug_pud_range(p4d_t *p4dp, unsigned long addr,
 		WARN_ON(!pud_present(pud));
 		if (pud_sect(pud)) {
 			pud_clear(pudp);
-
-			/*
-			 * One TLBI should be sufficient here as the PUD_SIZE
-			 * range is mapped with a single block entry.
-			 */
-			flush_tlb_kernel_range(addr, addr + PAGE_SIZE);
-			if (free_mapped)
+			if (free_mapped) {
+				flush_tlb_kernel_range(addr, addr + PUD_SIZE);
 				free_hotplug_page_range(pud_page(pud),
 							PUD_SIZE, altmap);
+			}
+			/* unmap_hotplug_range() flushes TLB for !free_mapped */
 			continue;
 		}
 		WARN_ON(!pud_table(pud));
@@ -965,6 +965,7 @@ static void unmap_hotplug_p4d_range(pgd_t *pgdp, unsigned long addr,
 static void unmap_hotplug_range(unsigned long addr, unsigned long end,
 				bool free_mapped, struct vmem_altmap *altmap)
 {
+	unsigned long start = addr;
 	unsigned long next;
 	pgd_t *pgdp, pgd;
 
@@ -986,6 +987,9 @@ static void unmap_hotplug_range(unsigned long addr, unsigned long end,
 		WARN_ON(!pgd_present(pgd));
 		unmap_hotplug_p4d_range(pgdp, addr, next, free_mapped, altmap);
 	} while (addr = next, addr < end);
+
+	if (!free_mapped)
+		flush_tlb_kernel_range(start, end);
 }
 
 static void free_empty_pte_table(pmd_t *pmdp, unsigned long addr,
diff --git a/arch/loongarch/kernel/cpu-probe.c b/arch/loongarch/kernel/cpu-probe.c
index 55320813ee08..26e66a77da66 100644
--- a/arch/loongarch/kernel/cpu-probe.c
+++ b/arch/loongarch/kernel/cpu-probe.c
@@ -7,6 +7,7 @@
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/ptrace.h>
+#include <linux/cpu.h>
 #include <linux/smp.h>
 #include <linux/stddef.h>
 #include <linux/export.h>
@@ -327,3 +328,9 @@ void cpu_probe(void)
 
 	cpu_report();
 }
+
+ssize_t cpu_show_spectre_v1(struct device *dev,
+			    struct device_attribute *attr, char *buf)
+{
+	return sysfs_emit(buf, "Mitigation: __user pointer sanitization\n");
+}
diff --git a/arch/loongarch/kernel/syscall.c b/arch/loongarch/kernel/syscall.c
index b4c5acd7aa3b..f4e3bd219b1d 100644
--- a/arch/loongarch/kernel/syscall.c
+++ b/arch/loongarch/kernel/syscall.c
@@ -9,6 +9,7 @@
 #include <linux/entry-common.h>
 #include <linux/errno.h>
 #include <linux/linkage.h>
+#include <linux/nospec.h>
 #include <linux/syscalls.h>
 #include <linux/unistd.h>
 
@@ -55,7 +56,7 @@ void noinstr do_syscall(struct pt_regs *regs)
 	nr = syscall_enter_from_user_mode(regs, nr);
 
 	if (nr < NR_syscalls) {
-		syscall_fn = sys_call_table[nr];
+		syscall_fn = sys_call_table[array_index_nospec(nr, NR_syscalls)];
 		regs->regs[4] = syscall_fn(regs->orig_a0, regs->regs[5], regs->regs[6],
 					   regs->regs[7], regs->regs[8], regs->regs[9]);
 	}
diff --git a/arch/loongarch/pci/acpi.c b/arch/loongarch/pci/acpi.c
index 1da4dc46df43..2d584a59a2a0 100644
--- a/arch/loongarch/pci/acpi.c
+++ b/arch/loongarch/pci/acpi.c
@@ -61,11 +61,16 @@ static void acpi_release_root_info(struct acpi_pci_root_info *ci)
 static int acpi_prepare_root_resources(struct acpi_pci_root_info *ci)
 {
 	int status;
+	unsigned long long pci_h = 0;
 	struct resource_entry *entry, *tmp;
 	struct acpi_device *device = ci->bridge;
 
 	status = acpi_pci_probe_root_resources(ci);
 	if (status > 0) {
+		acpi_evaluate_integer(device->handle, "PCIH", NULL, &pci_h);
+		if (pci_h)
+			return status;
+
 		resource_list_for_each_entry_safe(entry, tmp, &ci->resources) {
 			if (entry->res->flags & IORESOURCE_MEM) {
 				entry->offset = ci->root->mcfg_addr & GENMASK_ULL(63, 40);
diff --git a/arch/loongarch/pci/pci.c b/arch/loongarch/pci/pci.c
index 70485b167cfa..a25307d6aee8 100644
--- a/arch/loongarch/pci/pci.c
+++ b/arch/loongarch/pci/pci.c
@@ -133,6 +133,9 @@ static void loongson_gpu_fixup_dma_hang(struct pci_dev *pdev, bool on)
 		crtc_reg = regbase;
 		crtc_offset = 0x400;
 		break;
+	default:
+		iounmap(regbase);
+		return;
 	}
 
 	for (i = 0; i < CRTC_NUM_MAX; i++, crtc_reg += crtc_offset) {
diff --git a/arch/parisc/kernel/syscalls/syscall.tbl b/arch/parisc/kernel/syscalls/syscall.tbl
index 73f560e30957..443ce9a05367 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/Makefile b/arch/powerpc/kexec/Makefile
index 0c2abe7f9908..1146af73a866 100644
--- a/arch/powerpc/kexec/Makefile
+++ b/arch/powerpc/kexec/Makefile
@@ -14,4 +14,4 @@ GCOV_PROFILE_core_$(BITS).o := n
 KCOV_INSTRUMENT_core_$(BITS).o := n
 UBSAN_SANITIZE_core_$(BITS).o := n
 KASAN_SANITIZE_core.o := n
-KASAN_SANITIZE_core_$(BITS) := n
+KASAN_SANITIZE_core_$(BITS).o := n
diff --git a/arch/s390/kernel/debug.c b/arch/s390/kernel/debug.c
index a85e0c3e7027..cbe209fe0df1 100644
--- a/arch/s390/kernel/debug.c
+++ b/arch/s390/kernel/debug.c
@@ -1434,6 +1434,11 @@ 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/um/drivers/cow_user.c b/arch/um/drivers/cow_user.c
index 29b46581ddd1..dc1d1bcd85ec 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/x86/kernel/shstk.c b/arch/x86/kernel/shstk.c
index 19e4db582fb6..ba93c4e6a231 100644
--- a/arch/x86/kernel/shstk.c
+++ b/arch/x86/kernel/shstk.c
@@ -18,6 +18,7 @@
 #include <linux/sizes.h>
 #include <linux/user.h>
 #include <linux/syscalls.h>
+#include <linux/highmem.h>
 #include <asm/msr.h>
 #include <asm/fpu/xstate.h>
 #include <asm/fpu/types.h>
@@ -262,11 +263,29 @@ static int put_shstk_data(u64 __user *addr, u64 data)
 	return 0;
 }
 
+/* Copy from aligned address in userspace without risk of page fault. */
+static int shstk_copy_user_gup(unsigned long *ldata, unsigned long __user *addr)
+{
+	struct page *page;
+	void *kaddr;
+
+	mmap_assert_locked(current->mm);
+	if (get_user_pages((unsigned long)addr, 1, 0, &page) != 1)
+		return -EFAULT;
+
+	kaddr = kmap_local_page(page);
+	*ldata = *(unsigned long *)(kaddr + offset_in_page(addr));
+	kunmap_local(kaddr);
+	put_page(page);
+
+	return 0;
+}
+
 static int get_shstk_data(unsigned long *data, unsigned long __user *addr)
 {
 	unsigned long ldata;
 
-	if (unlikely(get_user(ldata, addr)))
+	if (shstk_copy_user_gup(&ldata, addr))
 		return -EFAULT;
 
 	if (!(ldata & SHSTK_DATA_BIT))
@@ -296,7 +315,6 @@ static int shstk_pop_sigframe(unsigned long *ssp)
 {
 	struct vm_area_struct *vma;
 	unsigned long token_addr;
-	bool need_to_check_vma;
 	int err = 1;
 
 	/*
@@ -308,25 +326,21 @@ static int shstk_pop_sigframe(unsigned long *ssp)
 	if (!IS_ALIGNED(*ssp, 8))
 		return -EINVAL;
 
-	need_to_check_vma = PAGE_ALIGN(*ssp) == *ssp;
-
-	if (need_to_check_vma)
-		mmap_read_lock_killable(current->mm);
+	if (mmap_read_lock_killable(current->mm))
+		return -EINTR;
 
 	err = get_shstk_data(&token_addr, (unsigned long __user *)*ssp);
 	if (unlikely(err))
 		goto out_err;
 
-	if (need_to_check_vma) {
-		vma = find_vma(current->mm, *ssp);
-		if (!vma || !(vma->vm_flags & VM_SHADOW_STACK)) {
-			err = -EFAULT;
-			goto out_err;
-		}
-
-		mmap_read_unlock(current->mm);
+	vma = find_vma(current->mm, *ssp);
+	if (!vma || !(vma->vm_flags & VM_SHADOW_STACK)) {
+		err = -EFAULT;
+		goto out_err;
 	}
 
+	mmap_read_unlock(current->mm);
+
 	/* Restore SSP aligned? */
 	if (unlikely(!IS_ALIGNED(token_addr, 8)))
 		return -EINVAL;
@@ -339,8 +353,7 @@ static int shstk_pop_sigframe(unsigned long *ssp)
 
 	return 0;
 out_err:
-	if (need_to_check_vma)
-		mmap_read_unlock(current->mm);
+	mmap_read_unlock(current->mm);
 	return err;
 }
 
diff --git a/arch/x86/kvm/hyperv.c b/arch/x86/kvm/hyperv.c
index 223f4fa6a849..96c03f95212e 100644
--- a/arch/x86/kvm/hyperv.c
+++ b/arch/x86/kvm/hyperv.c
@@ -1987,7 +1987,7 @@ static u64 kvm_hv_flush_tlb(struct kvm_vcpu *vcpu, struct kvm_hv_hcall *hc)
 	 * flush).  Translate the address here so the memory can be uniformly
 	 * read with kvm_read_guest().
 	 */
-	if (!hc->fast && is_guest_mode(vcpu)) {
+	if (!hc->fast && mmu_is_nested(vcpu)) {
 		hc->ingpa = translate_nested_gpa(vcpu, hc->ingpa, 0, NULL);
 		if (unlikely(hc->ingpa == INVALID_GPA))
 			return HV_STATUS_INVALID_HYPERCALL_INPUT;
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index 0dc804149b0f..774bc26b8235 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -182,6 +182,8 @@ struct kmem_cache *mmu_page_header_cache;
 static struct percpu_counter kvm_total_used_mmu_pages;
 
 static void mmu_spte_set(u64 *sptep, u64 spte);
+static int mmu_page_zap_pte(struct kvm *kvm, struct kvm_mmu_page *sp,
+			    u64 *spte, struct list_head *invalid_list);
 
 struct kvm_mmu_role_regs {
 	const unsigned long cr0;
@@ -1194,19 +1196,6 @@ static void drop_spte(struct kvm *kvm, u64 *sptep)
 		rmap_remove(kvm, sptep);
 }
 
-static void drop_large_spte(struct kvm *kvm, u64 *sptep, bool flush)
-{
-	struct kvm_mmu_page *sp;
-
-	sp = sptep_to_sp(sptep);
-	WARN_ON_ONCE(sp->role.level == PG_LEVEL_4K);
-
-	drop_spte(kvm, sptep);
-
-	if (flush)
-		kvm_flush_remote_tlbs_sptep(kvm, sptep);
-}
-
 /*
  * Write-protect on the specified @sptep, @pt_protect indicates whether
  * spte write-protection is caused by protecting shadow page table.
@@ -2350,7 +2339,8 @@ static struct kvm_mmu_page *kvm_mmu_get_child_sp(struct kvm_vcpu *vcpu,
 {
 	union kvm_mmu_page_role role;
 
-	if (is_shadow_present_pte(*sptep) && !is_large_pte(*sptep))
+	if (is_shadow_present_pte(*sptep) && !is_large_pte(*sptep) &&
+	    spte_to_child_sp(*sptep) && spte_to_child_sp(*sptep)->gfn == gfn)
 		return ERR_PTR(-EEXIST);
 
 	role = kvm_mmu_child_role(sptep, direct, access);
@@ -2428,13 +2418,16 @@ static void __link_shadow_page(struct kvm *kvm,
 
 	BUILD_BUG_ON(VMX_EPT_WRITABLE_MASK != PT_WRITABLE_MASK);
 
-	/*
-	 * If an SPTE is present already, it must be a leaf and therefore
-	 * a large one.  Drop it, and flush the TLB if needed, before
-	 * installing sp.
-	 */
-	if (is_shadow_present_pte(*sptep))
-		drop_large_spte(kvm, sptep, flush);
+	if (is_shadow_present_pte(*sptep)) {
+		struct kvm_mmu_page *parent_sp;
+		LIST_HEAD(invalid_list);
+
+		parent_sp = sptep_to_sp(sptep);
+		WARN_ON_ONCE(parent_sp->role.level == PG_LEVEL_4K);
+
+		mmu_page_zap_pte(kvm, parent_sp, sptep, &invalid_list);
+		kvm_mmu_remote_flush_or_zap(kvm, &invalid_list, true);
+	}
 
 	spte = make_nonleaf_spte(sp->spt, sp_ad_disabled(sp));
 
diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c
index eebfea132285..2be600876e0c 100644
--- a/arch/x86/kvm/svm/nested.c
+++ b/arch/x86/kvm/svm/nested.c
@@ -129,11 +129,13 @@ void recalc_intercepts(struct vcpu_svm *svm)
 	struct vmcb_ctrl_area_cached *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;
@@ -263,6 +265,10 @@ 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;
@@ -302,6 +308,10 @@ static bool __nested_vmcb_check_save(struct kvm_vcpu *vcpu,
 		    CC(!(save->cr0 & X86_CR0_PE)) ||
 		    CC(kvm_vcpu_is_illegal_gpa(vcpu, save->cr3)))
 			return false;
+
+		if (CC((save->cs.attrib & SVM_SELECTOR_L_MASK) &&
+		       (save->cs.attrib & SVM_SELECTOR_DB_MASK)))
+			return false;
 	}
 
 	/* Note, SVM doesn't have any additional restrictions on CR4. */
@@ -388,6 +398,8 @@ static void __nested_copy_vmcb_save_to_cache(struct vmcb_save_area_cached *to,
 	 * Copy only fields that are validated, as we need them
 	 * to avoid TOC/TOU races.
 	 */
+	to->cs = from->cs;
+
 	to->efer = from->efer;
 	to->cr0 = from->cr0;
 	to->cr3 = from->cr3;
@@ -403,6 +415,15 @@ void nested_copy_vmcb_save_to_cache(struct vcpu_svm *svm,
 	__nested_copy_vmcb_save_to_cache(&svm->nested.save, save);
 }
 
+int nested_svm_check_cached_vmcb12(struct kvm_vcpu *vcpu)
+{
+	if (!nested_vmcb_check_save(vcpu) ||
+	    !nested_vmcb_check_controls(vcpu))
+		return -EINVAL;
+
+	return 0;
+}
+
 /*
  * Synchronize fields that are written by the processor, so that
  * they can be copied back into the vmcb12.
@@ -412,6 +433,7 @@ 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;
@@ -860,12 +882,9 @@ 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);
@@ -878,12 +897,14 @@ int nested_svm_vmrun(struct kvm_vcpu *vcpu)
 	nested_copy_vmcb_control_to_cache(svm, &vmcb12->control);
 	nested_copy_vmcb_save_to_cache(svm, &vmcb12->save);
 
-	if (!nested_vmcb_check_save(vcpu) ||
-	    !nested_vmcb_check_controls(vcpu)) {
+	if (nested_svm_check_cached_vmcb12(vcpu) < 0) {
 		vmcb12->control.exit_code    = SVM_EXIT_ERR;
 		vmcb12->control.exit_code_hi = -1u;
 		vmcb12->control.exit_info_1  = 0;
 		vmcb12->control.exit_info_2  = 0;
+		vmcb12->control.event_inj = 0;
+		vmcb12->control.event_inj_err = 0;
+		svm_set_gif(svm, false);
 		goto out;
 	}
 
@@ -910,8 +931,6 @@ int nested_svm_vmrun(struct kvm_vcpu *vcpu)
 
 out_exit_err:
 	svm->nested.nested_run_pending = 0;
-	svm->nmi_l1_to_l2 = false;
-	svm->soft_int_injected = false;
 
 	svm->vmcb->control.exit_code    = SVM_EXIT_ERR;
 	svm->vmcb->control.exit_code_hi = -1u;
@@ -1002,7 +1021,7 @@ int nested_svm_vmexit(struct vcpu_svm *svm)
 	vmcb12->save.efer   = svm->vcpu.arch.efer;
 	vmcb12->save.cr0    = kvm_read_cr0(vcpu);
 	vmcb12->save.cr3    = kvm_read_cr3(vcpu);
-	vmcb12->save.cr2    = vmcb02->save.cr2;
+	vmcb12->save.cr2    = vcpu->arch.cr2;
 	vmcb12->save.cr4    = svm->vcpu.arch.cr4;
 	vmcb12->save.rflags = kvm_get_rflags(vcpu);
 	vmcb12->save.rip    = kvm_rip_read(vcpu);
@@ -1024,9 +1043,9 @@ int nested_svm_vmexit(struct vcpu_svm *svm)
 	if (guest_can_use(vcpu, X86_FEATURE_NRIPS))
 		vmcb12->control.next_rip  = vmcb02->control.next_rip;
 
+	vmcb12->control.event_inj	  = 0;
+	vmcb12->control.event_inj_err	  = 0;
 	vmcb12->control.int_ctl           = svm->nested.ctl.int_ctl;
-	vmcb12->control.event_inj         = svm->nested.ctl.event_inj;
-	vmcb12->control.event_inj_err     = svm->nested.ctl.event_inj_err;
 
 	if (!kvm_pause_in_guest(vcpu->kvm)) {
 		vmcb01->control.pause_filter_count = vmcb02->control.pause_filter_count;
@@ -1151,6 +1170,10 @@ int nested_svm_vmexit(struct vcpu_svm *svm)
 	if (unlikely(vmcb01->save.rflags & X86_EFLAGS_TF))
 		kvm_queue_exception(&(svm->vcpu), DB_VECTOR);
 
+	/* Drop tracking for L1->L2 injected NMIs and soft IRQs */
+	svm->nmi_l1_to_l2 = false;
+	svm->soft_int_injected = false;
+
 	/*
 	 * Un-inhibit the AVIC right away, so that other vCPUs can start
 	 * to benefit from it right away.
@@ -1752,6 +1775,12 @@ static int svm_set_nested_state(struct kvm_vcpu *vcpu,
 	svm_switch_vmcb(svm, &svm->nested.vmcb02);
 	nested_vmcb02_prepare_control(svm, svm->vmcb->save.rip, svm->vmcb->save.cs.base);
 
+	/*
+	 * 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,
@@ -1765,6 +1794,9 @@ static int svm_set_nested_state(struct kvm_vcpu *vcpu,
 
 	svm->nested.force_msr_bitmap_recalc = true;
 
+	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/svm.c b/arch/x86/kvm/svm/svm.c
index ff65fe738733..31e901661b4e 100644
--- a/arch/x86/kvm/svm/svm.c
+++ b/arch/x86/kvm/svm/svm.c
@@ -2494,6 +2494,9 @@ 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;
@@ -4339,6 +4342,16 @@ static __no_kcsan fastpath_t svm_vcpu_run(struct kvm_vcpu *vcpu, u64 run_flags)
 
 	svm_complete_interrupts(vcpu);
 
+	/*
+	 * Update the cache after completing interrupts to get an accurate
+	 * NextRIP, e.g. when re-injecting a soft interrupt.
+	 *
+	 * FIXME: Rework svm_get_nested_state() to not pull data from the
+	 *        cache (except for maybe int_ctl).
+	 */
+	if (is_guest_mode(vcpu))
+		svm->nested.ctl.next_rip = svm->vmcb->control.next_rip;
+
 	return svm_exit_handlers_fastpath(vcpu);
 }
 
@@ -4804,6 +4817,10 @@ static int svm_leave_smm(struct kvm_vcpu *vcpu, const union kvm_smram *smram)
 	vmcb12 = map.hva;
 	nested_copy_vmcb_control_to_cache(svm, &vmcb12->control);
 	nested_copy_vmcb_save_to_cache(svm, &vmcb12->save);
+
+	if (nested_svm_check_cached_vmcb12(vcpu) < 0)
+		goto unmap_save;
+
 	ret = enter_svm_guest_mode(vcpu, smram64->svm_guest_vmcb_gpa, vmcb12, false);
 
 	if (ret)
diff --git a/arch/x86/kvm/svm/svm.h b/arch/x86/kvm/svm/svm.h
index 0b4344595db3..cf0a516a9f8c 100644
--- a/arch/x86/kvm/svm/svm.h
+++ b/arch/x86/kvm/svm/svm.h
@@ -115,6 +115,7 @@ struct kvm_vmcb_info {
 };
 
 struct vmcb_save_area_cached {
+	struct vmcb_seg cs;
 	u64 efer;
 	u64 cr4;
 	u64 cr3;
@@ -611,6 +612,7 @@ static inline int nested_svm_simple_vmexit(struct vcpu_svm *svm, u32 exit_code)
 
 int nested_svm_exit_handled(struct vcpu_svm *svm);
 int nested_svm_check_permissions(struct kvm_vcpu *vcpu);
+int nested_svm_check_cached_vmcb12(struct kvm_vcpu *vcpu);
 int nested_svm_check_exception(struct vcpu_svm *svm, unsigned nr,
 			       bool has_error_code, u32 error_code);
 int nested_svm_exit_special(struct vcpu_svm *svm);
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 6463a62d0001..3838b7336590 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -695,9 +695,6 @@ static void kvm_multiple_exception(struct kvm_vcpu *vcpu,
 		vcpu->arch.exception.error_code = error_code;
 		vcpu->arch.exception.has_payload = has_payload;
 		vcpu->arch.exception.payload = payload;
-		if (!is_guest_mode(vcpu))
-			kvm_deliver_exception_payload(vcpu,
-						      &vcpu->arch.exception);
 		return;
 	}
 
@@ -5147,18 +5144,8 @@ static int kvm_vcpu_ioctl_x86_set_mce(struct kvm_vcpu *vcpu,
 	return 0;
 }
 
-static void kvm_vcpu_ioctl_x86_get_vcpu_events(struct kvm_vcpu *vcpu,
-					       struct kvm_vcpu_events *events)
+static struct kvm_queued_exception *kvm_get_exception_to_save(struct kvm_vcpu *vcpu)
 {
-	struct kvm_queued_exception *ex;
-
-	process_nmi(vcpu);
-
-#ifdef CONFIG_KVM_SMM
-	if (kvm_check_request(KVM_REQ_SMI, vcpu))
-		process_smi(vcpu);
-#endif
-
 	/*
 	 * KVM's ABI only allows for one exception to be migrated.  Luckily,
 	 * the only time there can be two queued exceptions is if there's a
@@ -5169,21 +5156,46 @@ static void kvm_vcpu_ioctl_x86_get_vcpu_events(struct kvm_vcpu *vcpu,
 	if (vcpu->arch.exception_vmexit.pending &&
 	    !vcpu->arch.exception.pending &&
 	    !vcpu->arch.exception.injected)
-		ex = &vcpu->arch.exception_vmexit;
-	else
-		ex = &vcpu->arch.exception;
+		return &vcpu->arch.exception_vmexit;
+
+	return &vcpu->arch.exception;
+}
+
+static void kvm_handle_exception_payload_quirk(struct kvm_vcpu *vcpu)
+{
+	struct kvm_queued_exception *ex = kvm_get_exception_to_save(vcpu);
 
 	/*
-	 * In guest mode, payload delivery should be deferred if the exception
-	 * will be intercepted by L1, e.g. KVM should not modifying CR2 if L1
-	 * intercepts #PF, ditto for DR6 and #DBs.  If the per-VM capability,
-	 * KVM_CAP_EXCEPTION_PAYLOAD, is not set, userspace may or may not
-	 * propagate the payload and so it cannot be safely deferred.  Deliver
-	 * the payload if the capability hasn't been requested.
+	 * If KVM_CAP_EXCEPTION_PAYLOAD is disabled, then (prematurely) deliver
+	 * the pending exception payload when userspace saves *any* vCPU state
+	 * that interacts with exception payloads to avoid breaking userspace.
+	 *
+	 * Architecturally, KVM must not deliver an exception payload until the
+	 * exception is actually injected, e.g. to avoid losing pending #DB
+	 * information (which VMX tracks in the VMCS), and to avoid clobbering
+	 * state if the exception is never injected for whatever reason.  But
+	 * if KVM_CAP_EXCEPTION_PAYLOAD isn't enabled, then userspace may or
+	 * may not propagate the payload across save+restore, and so KVM can't
+	 * safely defer delivery of the payload.
 	 */
 	if (!vcpu->kvm->arch.exception_payload_enabled &&
 	    ex->pending && ex->has_payload)
 		kvm_deliver_exception_payload(vcpu, ex);
+}
+
+static void kvm_vcpu_ioctl_x86_get_vcpu_events(struct kvm_vcpu *vcpu,
+					       struct kvm_vcpu_events *events)
+{
+	struct kvm_queued_exception *ex = kvm_get_exception_to_save(vcpu);
+
+	process_nmi(vcpu);
+
+#ifdef CONFIG_KVM_SMM
+	if (kvm_check_request(KVM_REQ_SMI, vcpu))
+		process_smi(vcpu);
+#endif
+
+	kvm_handle_exception_payload_quirk(vcpu);
 
 	memset(events, 0, sizeof(*events));
 
@@ -5364,6 +5376,8 @@ static void kvm_vcpu_ioctl_x86_get_debugregs(struct kvm_vcpu *vcpu,
 {
 	unsigned long val;
 
+	kvm_handle_exception_payload_quirk(vcpu);
+
 	memset(dbgregs, 0, sizeof(*dbgregs));
 	memcpy(dbgregs->db, vcpu->arch.db, sizeof(vcpu->arch.db));
 	kvm_get_dr(vcpu, 6, &val);
@@ -11396,6 +11410,8 @@ static void __get_sregs_common(struct kvm_vcpu *vcpu, struct kvm_sregs *sregs)
 	if (vcpu->arch.guest_state_protected)
 		goto skip_protected_regs;
 
+	kvm_handle_exception_payload_quirk(vcpu);
+
 	kvm_get_segment(vcpu, &sregs->cs, VCPU_SREG_CS);
 	kvm_get_segment(vcpu, &sregs->ds, VCPU_SREG_DS);
 	kvm_get_segment(vcpu, &sregs->es, VCPU_SREG_ES);
diff --git a/block/bio-integrity.c b/block/bio-integrity.c
index 15e444b2fcc1..dc6a9b0fab36 100644
--- a/block/bio-integrity.c
+++ b/block/bio-integrity.c
@@ -134,6 +134,8 @@ int bio_integrity_add_page(struct bio *bio, struct page *page,
 		struct bio_vec *bv = &bip->bip_vec[bip->bip_vcnt - 1];
 		bool same_page = false;
 
+		if (!zone_device_pages_compatible(bv->bv_page, page))
+			return 0;
 		if (bvec_try_merge_hw_page(q, bv, page, len, offset,
 					   &same_page)) {
 			bip->bip_iter.bi_size += len;
diff --git a/block/bio.c b/block/bio.c
index b197abbaebc4..14aefb190545 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -1098,11 +1098,15 @@ int bio_add_page(struct bio *bio, struct page *page,
 	if (bio->bi_iter.bi_size > UINT_MAX - len)
 		return 0;
 
-	if (bio->bi_vcnt > 0 &&
-	    bvec_try_merge_page(&bio->bi_io_vec[bio->bi_vcnt - 1],
-				page, len, offset, &same_page)) {
-		bio->bi_iter.bi_size += len;
-		return len;
+	if (bio->bi_vcnt > 0) {
+		struct bio_vec *bv = &bio->bi_io_vec[bio->bi_vcnt - 1];
+
+		if (!zone_device_pages_compatible(bv->bv_page, page))
+			return 0;
+		if (bvec_try_merge_page(bv, page, len, offset, &same_page)) {
+			bio->bi_iter.bi_size += len;
+			return len;
+		}
 	}
 
 	if (bio->bi_vcnt >= bio->bi_max_vecs)
diff --git a/block/blk.h b/block/blk.h
index 67915b04b3c1..13243d9fb896 100644
--- a/block/blk.h
+++ b/block/blk.h
@@ -95,6 +95,8 @@ static inline bool biovec_phys_mergeable(struct request_queue *q,
 
 	if (addr1 + vec1->bv_len != addr2)
 		return false;
+	if (!zone_device_pages_have_same_pgmap(vec1->bv_page, vec2->bv_page))
+		return false;
 	if (xen_domain() && !xen_biovec_phys_mergeable(vec1, vec2->bv_page))
 		return false;
 	if ((addr1 | mask) != ((addr2 + vec2->bv_len - 1) | mask))
@@ -102,6 +104,25 @@ static inline bool biovec_phys_mergeable(struct request_queue *q,
 	return true;
 }
 
+/*
+ * Check if two pages from potentially different zone device pgmaps can
+ * coexist as separate bvec entries in the same bio.
+ *
+ * The block DMA iterator (blk_dma_map_iter_start) caches the P2PDMA mapping
+ * state from the first segment and applies it to all subsequent segments, so
+ * P2PDMA pages from different pgmaps must not be mixed in the same bio.
+ *
+ * Other zone device types (FS_DAX, GENERIC) use the same dma_map_phys() path
+ * as normal RAM.  PRIVATE and COHERENT pages never appear in bios.
+ */
+static inline bool zone_device_pages_compatible(const struct page *a,
+						const struct page *b)
+{
+	if (is_pci_p2pdma_page(a) || is_pci_p2pdma_page(b))
+		return zone_device_pages_have_same_pgmap(a, b);
+	return true;
+}
+
 static inline bool __bvec_gap_to_prev(const struct queue_limits *lim,
 		struct bio_vec *bprv, unsigned int offset)
 {
diff --git a/certs/extract-cert.c b/certs/extract-cert.c
index 7d6d468ed612..54ecd1024274 100644
--- a/certs/extract-cert.c
+++ b/certs/extract-cert.c
@@ -43,7 +43,9 @@ void format(void)
 	exit(2);
 }
 
+#ifdef USE_PKCS11_ENGINE
 static const char *key_pass;
+#endif
 static BIO *wb;
 static char *cert_dst;
 static bool verbose;
@@ -135,7 +137,9 @@ int main(int argc, char **argv)
 	if (verbose_env && strchr(verbose_env, '1'))
 		verbose = true;
 
-        key_pass = getenv("KBUILD_SIGN_PIN");
+#ifdef USE_PKCS11_ENGINE
+	key_pass = getenv("KBUILD_SIGN_PIN");
+#endif
 
 	if (argc != 3)
 		format();
diff --git a/crypto/authencesn.c b/crypto/authencesn.c
index eeda044a0f5f..55833cfea09a 100644
--- a/crypto/authencesn.c
+++ b/crypto/authencesn.c
@@ -397,6 +397,11 @@ 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 7fc79e7dce44..71a0c74eb634 100644
--- a/crypto/pcrypt.c
+++ b/crypto/pcrypt.c
@@ -69,6 +69,9 @@ static void pcrypt_aead_done(void *data, 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 0bf3861cf79b..018a98d87bcb 100644
--- a/drivers/acpi/cppc_acpi.c
+++ b/drivers/acpi/cppc_acpi.c
@@ -347,7 +347,7 @@ 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)
@@ -509,13 +509,13 @@ 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 ff5fcd541e50..9f9f580e393c 100644
--- a/drivers/acpi/power.c
+++ b/drivers/acpi/power.c
@@ -986,7 +986,7 @@ 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 5b5986e10c2d..2892219c7afd 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1862,7 +1862,7 @@ static int acpi_add_single_object(struct acpi_device **child,
 		result = acpi_device_add(device);
 
 	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 e96afb1622f9..962720aafeda 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -820,6 +820,14 @@ static const struct dmi_system_id video_detect_dmi_table[] = {
 		DMI_MATCH(DMI_PRODUCT_NAME, "Z830"),
 		},
 	},
+	{
+	 .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"),
+		},
+	},
 
 	/*
 	 * Models which have nvidia-ec-wmi support, but should not use it.
diff --git a/drivers/base/core.c b/drivers/base/core.c
index a192ce5bb8f9..3c172e6d3fe0 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -182,7 +182,7 @@ 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)
@@ -228,7 +228,7 @@ static void __fw_devlink_pickup_dangling_consumers(struct fwnode_handle *fwnode,
 	if (fwnode->dev && fwnode->dev->bus)
 		return;
 
-	fwnode->flags |= FWNODE_FLAG_NOT_DEVICE;
+	fwnode_set_flag(fwnode, FWNODE_FLAG_NOT_DEVICE);
 	__fwnode_links_move_consumers(fwnode, new_sup);
 
 	fwnode_for_each_available_child_node(fwnode, child)
@@ -1013,7 +1013,7 @@ static void device_links_missing_supplier(struct device *dev)
 static bool dev_is_best_effort(struct device *dev)
 {
 	return (fw_devlink_best_effort && dev->can_match) ||
-		(dev->fwnode && (dev->fwnode->flags & FWNODE_FLAG_BEST_EFFORT));
+		(dev->fwnode && fwnode_test_flag(dev->fwnode, FWNODE_FLAG_BEST_EFFORT));
 }
 
 static struct fwnode_handle *fwnode_links_check_suppliers(
@@ -1729,11 +1729,11 @@ 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)
@@ -1892,7 +1892,7 @@ static bool fwnode_init_without_drv(struct fwnode_handle *fwnode)
 	struct device *dev;
 	bool ret;
 
-	if (!(fwnode->flags & FWNODE_FLAG_INITIALIZED))
+	if (!fwnode_test_flag(fwnode, FWNODE_FLAG_INITIALIZED))
 		return false;
 
 	dev = get_dev_from_fwnode(fwnode);
@@ -1951,10 +1951,10 @@ static bool __fw_devlink_relax_cycles(struct fwnode_handle *con_handle,
 	 * We aren't trying to find all cycles. Just a cycle between con and
 	 * sup_handle.
 	 */
-	if (sup_handle->flags & FWNODE_FLAG_VISITED)
+	if (fwnode_test_flag(sup_handle, FWNODE_FLAG_VISITED))
 		return false;
 
-	sup_handle->flags |= FWNODE_FLAG_VISITED;
+	fwnode_set_flag(sup_handle, FWNODE_FLAG_VISITED);
 
 	/* Termination condition. */
 	if (sup_handle == con_handle) {
@@ -2024,7 +2024,7 @@ static bool __fw_devlink_relax_cycles(struct fwnode_handle *con_handle,
 	}
 
 out:
-	sup_handle->flags &= ~FWNODE_FLAG_VISITED;
+	fwnode_clear_flag(sup_handle, FWNODE_FLAG_VISITED);
 	put_device(sup_dev);
 	put_device(con_dev);
 	put_device(par_dev);
@@ -2077,7 +2077,7 @@ 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;
 
@@ -2100,7 +2100,7 @@ static int fw_devlink_create_devlink(struct device *con,
 	else
 		flags = FW_DEVLINK_FLAGS_PERMISSIVE;
 
-	if (sup_handle->flags & FWNODE_FLAG_NOT_DEVICE)
+	if (fwnode_test_flag(sup_handle, FWNODE_FLAG_NOT_DEVICE))
 		sup_dev = fwnode_get_next_parent_dev(sup_handle);
 	else
 		sup_dev = get_dev_from_fwnode(sup_handle);
@@ -2112,7 +2112,7 @@ 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)) {
 			dev_dbg(con,
 				"Not linking %pfwf - dev might never probe\n",
 				sup_handle);
@@ -3680,6 +3680,21 @@ 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);
 
 	/*
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 7e2fb159bb89..d371c3437dc6 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -785,6 +785,26 @@ 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/block/rbd.c b/drivers/block/rbd.c
index 6f68c2a74361..a50b946c3934 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -7172,7 +7172,7 @@ static ssize_t do_rbd_add(const char *buf, size_t count)
 
 	rc = device_add_disk(&rbd_dev->dev, rbd_dev->disk, NULL);
 	if (rc)
-		goto err_out_cleanup_disk;
+		goto err_out_device;
 
 	spin_lock(&rbd_dev_list_lock);
 	list_add_tail(&rbd_dev->node, &rbd_dev_list);
@@ -7186,8 +7186,8 @@ static ssize_t do_rbd_add(const char *buf, size_t count)
 	module_put(THIS_MODULE);
 	return rc;
 
-err_out_cleanup_disk:
-	rbd_free_disk(rbd_dev);
+err_out_device:
+	device_del(&rbd_dev->dev);
 err_out_image_lock:
 	rbd_dev_image_unlock(rbd_dev);
 	rbd_dev_device_release(rbd_dev);
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 44cf0e51d7db..6584c1ca5a17 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -1880,7 +1880,7 @@ static void zram_bio_discard(struct zram *zram, struct bio *bio)
 	 */
 	if (offset) {
 		if (n <= (PAGE_SIZE - offset))
-			return;
+			goto end_bio;
 
 		n -= (PAGE_SIZE - offset);
 		index++;
@@ -1895,6 +1895,7 @@ static void zram_bio_discard(struct zram *zram, struct bio *bio)
 		n -= PAGE_SIZE;
 	}
 
+end_bio:
 	bio_endio(bio);
 }
 
diff --git a/drivers/bluetooth/virtio_bt.c b/drivers/bluetooth/virtio_bt.c
index 18208e152a36..ca62b7369939 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) {
@@ -197,6 +198,7 @@ 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);
@@ -204,16 +206,32 @@ 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)
@@ -227,8 +245,15 @@ 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/imx-weim.c b/drivers/bus/imx-weim.c
index f9fd1582f150..5244013d328f 100644
--- a/drivers/bus/imx-weim.c
+++ b/drivers/bus/imx-weim.c
@@ -335,7 +335,7 @@ static int of_weim_notify(struct notifier_block *nb, unsigned long action,
 			 * fw_devlink doesn't skip adding consumers to this
 			 * device.
 			 */
-			rd->dn->fwnode.flags &= ~FWNODE_FLAG_NOT_DEVICE;
+			fwnode_clear_flag(&rd->dn->fwnode, FWNODE_FLAG_NOT_DEVICE);
 			if (!of_platform_device_create(rd->dn, NULL, &pdev->dev)) {
 				dev_err(&pdev->dev,
 					"Failed to create child device '%pOF'\n",
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 5cd031f3fc97..0b2c8c4a78a3 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;
 
@@ -394,7 +398,10 @@ 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)
@@ -405,7 +412,10 @@ 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;
+	}
 }
 
 /*
@@ -471,15 +481,19 @@ static void handle_flags(struct smi_info *smi_info)
 	} 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 &&
@@ -579,6 +593,7 @@ 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;
@@ -614,7 +629,13 @@ 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);
 
@@ -624,6 +645,11 @@ 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
@@ -662,6 +688,11 @@ 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
@@ -789,6 +820,26 @@ static enum si_sm_result smi_event_handler(struct smi_info *smi_info,
 		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.
@@ -822,15 +873,6 @@ static enum si_sm_result smi_event_handler(struct smi_info *smi_info,
 		}
 	}
 
-	/* 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 df8dd50b4cbe..d94dd1a527c2 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.
@@ -413,7 +416,10 @@ 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);
@@ -436,7 +442,10 @@ 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);
@@ -481,8 +490,6 @@ static int ipmi_ssif_thread(void *data)
 		/* Wait for something to do */
 		result = wait_for_completion_interruptible(
 						&ssif_info->wake_thread);
-		if (ssif_info->stopping)
-			break;
 		if (result == -ERESTARTSYS)
 			continue;
 		init_completion(&ssif_info->wake_thread);
@@ -843,6 +850,11 @@ 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);
@@ -876,6 +888,11 @@ 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);
@@ -1271,8 +1288,8 @@ static void shutdown_ssif(void *send_info)
 	del_timer_sync(&ssif_info->watch_timer);
 	del_timer_sync(&ssif_info->retry_timer);
 	if (ssif_info->thread) {
-		complete(&ssif_info->wake_thread);
 		kthread_stop(ssif_info->thread);
+		ssif_info->thread = NULL;
 	}
 }
 
@@ -1898,6 +1915,15 @@ static int ssif_probe(struct i2c_client *client)
 
  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) {
+			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 5e6ee5b82b8f..aaeace9f4a4d 100644
--- a/drivers/char/tpm/tpm_tis_core.c
+++ b/drivers/char/tpm/tpm_tis_core.c
@@ -472,6 +472,8 @@ 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;
 		}
 	}
@@ -492,6 +494,8 @@ 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;
 	}
 
@@ -553,11 +557,16 @@ static int tpm_tis_send_main(struct tpm_chip *chip, const u8 *buf, size_t len)
 			break;
 		else if (rc != -EAGAIN && rc != -EIO)
 			/* Data transfer failed, not recoverable */
-			return rc;
+			goto out_err;
 
 		usleep_range(priv->timeout_min, priv->timeout_max);
 	}
 
+	if (rc == -EAGAIN || rc == -EIO) {
+		dev_err(&chip->dev, "Exhausted %d tpm_tis_send_data retries\n", TPM_RETRY);
+		goto out_err;
+	}
+
 	/* go and do it */
 	rc = tpm_tis_write8(priv, TPM_STS(priv->locality), TPM_STS_GO);
 	if (rc < 0)
diff --git a/drivers/clk/clk-rk808.c b/drivers/clk/clk-rk808.c
index f7412b137e5e..5a75b5c91555 100644
--- a/drivers/clk/clk-rk808.c
+++ b/drivers/clk/clk-rk808.c
@@ -153,7 +153,7 @@ static int rk808_clkout_probe(struct platform_device *pdev)
 	struct rk808_clkout *rk808_clkout;
 	int ret;
 
-	dev->of_node = pdev->dev.parent->of_node;
+	device_set_of_node_from_dev(dev, dev->parent);
 
 	rk808_clkout = devm_kzalloc(dev,
 				    sizeof(*rk808_clkout), GFP_KERNEL);
diff --git a/drivers/clk/imx/clk-imx8-acm.c b/drivers/clk/imx/clk-imx8-acm.c
index b9ddb74b86f7..abc4c53fcc36 100644
--- a/drivers/clk/imx/clk-imx8-acm.c
+++ b/drivers/clk/imx/clk-imx8-acm.c
@@ -368,7 +368,8 @@ static int imx8_acm_clk_probe(struct platform_device *pdev)
 	for (i = 0; i < priv->soc_data->num_sels; i++) {
 		hws[sels[i].clkid] = devm_clk_hw_register_mux_parent_data_table(dev,
 										sels[i].name, sels[i].parents,
-										sels[i].num_parents, 0,
+										sels[i].num_parents,
+										CLK_SET_RATE_NO_REPARENT,
 										base + sels[i].reg,
 										sels[i].shift, sels[i].width,
 										0, NULL, NULL);
diff --git a/drivers/clk/microchip/clk-mpfs-ccc.c b/drivers/clk/microchip/clk-mpfs-ccc.c
index bce61c45e967..9ed8074a9ee8 100644
--- a/drivers/clk/microchip/clk-mpfs-ccc.c
+++ b/drivers/clk/microchip/clk-mpfs-ccc.c
@@ -178,7 +178,7 @@ static int mpfs_ccc_register_outputs(struct device *dev, struct mpfs_ccc_out_hw_
 			return dev_err_probe(dev, ret, "failed to register clock id: %d\n",
 					     out_hw->id);
 
-		data->hw_data.hws[out_hw->id] = &out_hw->divider.hw;
+		data->hw_data.hws[out_hw->id - 2] = &out_hw->divider.hw;
 	}
 
 	return 0;
@@ -234,6 +234,10 @@ static int mpfs_ccc_probe(struct platform_device *pdev)
 	unsigned int num_clks;
 	int ret;
 
+	/*
+	 * If DLLs get added here, mpfs_ccc_register_outputs() currently packs
+	 * sparse clock IDs in the hws array
+	 */
 	num_clks = ARRAY_SIZE(mpfs_ccc_pll_clks) + ARRAY_SIZE(mpfs_ccc_pll0out_clks) +
 		   ARRAY_SIZE(mpfs_ccc_pll1out_clks);
 
diff --git a/drivers/cpuidle/cpuidle-powernv.c b/drivers/cpuidle/cpuidle-powernv.c
index 9ebedd972df0..b89e7111e7b8 100644
--- a/drivers/cpuidle/cpuidle-powernv.c
+++ b/drivers/cpuidle/cpuidle-powernv.c
@@ -95,7 +95,10 @@ 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 14db9b7d985d..d8eedb3e09cb 100644
--- a/drivers/cpuidle/cpuidle-pseries.c
+++ b/drivers/cpuidle/cpuidle-pseries.c
@@ -63,7 +63,10 @@ int snooze_loop(struct cpuidle_device *dev, struct cpuidle_driver *drv,
 	}
 
 	HMT_medium();
-	clear_thread_flag(TIF_POLLING_NRFLAG);
+
+       /* Avoid double clear when breaking */
+	if (!dev->poll_time_limit)
+		clear_thread_flag(TIF_POLLING_NRFLAG);
 
 	raw_local_irq_disable();
 
diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c
index 55b5f577b01c..97fcde012676 100644
--- a/drivers/crypto/atmel-aes.c
+++ b/drivers/crypto/atmel-aes.c
@@ -2323,7 +2323,7 @@ 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 590ea984c622..813d8517e1c3 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-sha204a.c b/drivers/crypto/atmel-sha204a.c
index 67fd084a2b97..2cf5407818f1 100644
--- a/drivers/crypto/atmel-sha204a.c
+++ b/drivers/crypto/atmel-sha204a.c
@@ -125,10 +125,8 @@ static void atmel_sha204a_remove(struct i2c_client *client)
 {
 	struct atmel_i2c_client_priv *i2c_priv = i2c_get_clientdata(client);
 
-	if (atomic_read(&i2c_priv->tfm_count)) {
-		dev_emerg(&client->dev, "Device is busy, will remove it anyhow\n");
-		return;
-	}
+	devm_hwrng_unregister(&client->dev, &i2c_priv->hwrng);
+	atmel_i2c_flush_queue();
 
 	kfree((void *)i2c_priv->hwrng.priv);
 }
diff --git a/drivers/crypto/atmel-tdes.c b/drivers/crypto/atmel-tdes.c
index d234495f1115..6870a13342e2 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,
@@ -655,8 +655,8 @@ 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/caam/caamalg_qi2.c b/drivers/crypto/caam/caamalg_qi2.c
index 06e0681fdbe1..ac97a15ac78b 100644
--- a/drivers/crypto/caam/caamalg_qi2.c
+++ b/drivers/crypto/caam/caamalg_qi2.c
@@ -3268,7 +3268,7 @@ static int hash_digest_key(struct caam_hash_ctx *ctx, u32 *keylen, u8 *key,
 	dpaa2_fl_set_addr(out_fle, key_dma);
 	dpaa2_fl_set_len(out_fle, digestsize);
 
-	print_hex_dump_debug("key_in@" __stringify(__LINE__)": ",
+	print_hex_dump_devel("key_in@" __stringify(__LINE__)": ",
 			     DUMP_PREFIX_ADDRESS, 16, 4, key, *keylen, 1);
 	print_hex_dump_debug("shdesc@" __stringify(__LINE__)": ",
 			     DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc),
@@ -3288,7 +3288,7 @@ static int hash_digest_key(struct caam_hash_ctx *ctx, u32 *keylen, u8 *key,
 		/* in progress */
 		wait_for_completion(&result.completion);
 		ret = result.err;
-		print_hex_dump_debug("digested key@" __stringify(__LINE__)": ",
+		print_hex_dump_devel("digested key@" __stringify(__LINE__)": ",
 				     DUMP_PREFIX_ADDRESS, 16, 4, key,
 				     digestsize, 1);
 	}
diff --git a/drivers/crypto/caam/caamhash.c b/drivers/crypto/caam/caamhash.c
index 30cc46c4c33a..c1a06f033b11 100644
--- a/drivers/crypto/caam/caamhash.c
+++ b/drivers/crypto/caam/caamhash.c
@@ -393,7 +393,7 @@ static int hash_digest_key(struct caam_hash_ctx *ctx, u32 *keylen, u8 *key,
 	append_seq_store(desc, digestsize, LDST_CLASS_2_CCB |
 			 LDST_SRCDST_BYTE_CONTEXT);
 
-	print_hex_dump_debug("key_in@"__stringify(__LINE__)": ",
+	print_hex_dump_devel("key_in@"__stringify(__LINE__)": ",
 			     DUMP_PREFIX_ADDRESS, 16, 4, key, *keylen, 1);
 	print_hex_dump_debug("jobdesc@"__stringify(__LINE__)": ",
 			     DUMP_PREFIX_ADDRESS, 16, 4, desc, desc_bytes(desc),
@@ -408,7 +408,7 @@ static int hash_digest_key(struct caam_hash_ctx *ctx, u32 *keylen, u8 *key,
 		wait_for_completion(&result.completion);
 		ret = result.err;
 
-		print_hex_dump_debug("digested key@"__stringify(__LINE__)": ",
+		print_hex_dump_devel("digested key@"__stringify(__LINE__)": ",
 				     DUMP_PREFIX_ADDRESS, 16, 4, key,
 				     digestsize, 1);
 	}
diff --git a/drivers/crypto/ccree/cc_hash.c b/drivers/crypto/ccree/cc_hash.c
index f418162932fe..ef9bde93a695 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 1189effcdad0..512190b31b99 100644
--- a/drivers/crypto/hisilicon/sec/sec_algs.c
+++ b/drivers/crypto/hisilicon/sec/sec_algs.c
@@ -844,7 +844,7 @@ static int sec_alg_skcipher_crypto(struct skcipher_request *skreq,
 	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/nx/nx-842.c b/drivers/crypto/nx/nx-842.c
index 2ab90ec10e61..8b1dc05df8c8 100644
--- a/drivers/crypto/nx/nx-842.c
+++ b/drivers/crypto/nx/nx-842.c
@@ -101,9 +101,13 @@ static int update_param(struct nx842_crypto_param *p,
 	return 0;
 }
 
-int nx842_crypto_init(struct crypto_tfm *tfm, struct nx842_driver *driver)
+void *nx842_crypto_alloc_ctx(struct nx842_driver *driver)
 {
-	struct nx842_crypto_ctx *ctx = crypto_tfm_ctx(tfm);
+	struct nx842_crypto_ctx *ctx;
+
+	ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
+	if (!ctx)
+		return ERR_PTR(-ENOMEM);
 
 	spin_lock_init(&ctx->lock);
 	ctx->driver = driver;
@@ -111,25 +115,24 @@ int nx842_crypto_init(struct crypto_tfm *tfm, struct nx842_driver *driver)
 	ctx->sbounce = (u8 *)__get_free_pages(GFP_KERNEL, BOUNCE_BUFFER_ORDER);
 	ctx->dbounce = (u8 *)__get_free_pages(GFP_KERNEL, BOUNCE_BUFFER_ORDER);
 	if (!ctx->wmem || !ctx->sbounce || !ctx->dbounce) {
-		kfree(ctx->wmem);
-		free_page((unsigned long)ctx->sbounce);
-		free_page((unsigned long)ctx->dbounce);
-		return -ENOMEM;
+		nx842_crypto_free_ctx(ctx);
+		return ERR_PTR(-ENOMEM);
 	}
 
-	return 0;
+	return ctx;
 }
-EXPORT_SYMBOL_GPL(nx842_crypto_init);
+EXPORT_SYMBOL_GPL(nx842_crypto_alloc_ctx);
 
-void nx842_crypto_exit(struct crypto_tfm *tfm)
+void nx842_crypto_free_ctx(void *p)
 {
-	struct nx842_crypto_ctx *ctx = crypto_tfm_ctx(tfm);
+	struct nx842_crypto_ctx *ctx = p;
 
 	kfree(ctx->wmem);
-	free_page((unsigned long)ctx->sbounce);
-	free_page((unsigned long)ctx->dbounce);
+	free_pages((unsigned long)ctx->sbounce, BOUNCE_BUFFER_ORDER);
+	free_pages((unsigned long)ctx->dbounce, BOUNCE_BUFFER_ORDER);
+	kfree(ctx);
 }
-EXPORT_SYMBOL_GPL(nx842_crypto_exit);
+EXPORT_SYMBOL_GPL(nx842_crypto_free_ctx);
 
 static void check_constraints(struct nx842_constraints *c)
 {
@@ -246,12 +249,14 @@ static int compress(struct nx842_crypto_ctx *ctx,
 	return update_param(p, slen, dskip + dlen);
 }
 
-int nx842_crypto_compress(struct crypto_tfm *tfm,
+int nx842_crypto_compress(struct crypto_scomp *tfm,
 			  const u8 *src, unsigned int slen,
-			  u8 *dst, unsigned int *dlen)
+			  u8 *dst, unsigned int *dlen, void *pctx)
 {
-	struct nx842_crypto_ctx *ctx = crypto_tfm_ctx(tfm);
-	struct nx842_crypto_header *hdr = &ctx->header;
+	struct nx842_crypto_ctx *ctx = pctx;
+	struct nx842_crypto_header *hdr =
+				container_of(&ctx->header,
+					     struct nx842_crypto_header, hdr);
 	struct nx842_crypto_param p;
 	struct nx842_constraints c = *ctx->driver->constraints;
 	unsigned int groups, hdrsize, h;
@@ -429,11 +434,11 @@ static int decompress(struct nx842_crypto_ctx *ctx,
 	return update_param(p, slen + padding, dlen);
 }
 
-int nx842_crypto_decompress(struct crypto_tfm *tfm,
+int nx842_crypto_decompress(struct crypto_scomp *tfm,
 			    const u8 *src, unsigned int slen,
-			    u8 *dst, unsigned int *dlen)
+			    u8 *dst, unsigned int *dlen, void *pctx)
 {
-	struct nx842_crypto_ctx *ctx = crypto_tfm_ctx(tfm);
+	struct nx842_crypto_ctx *ctx = pctx;
 	struct nx842_crypto_header *hdr;
 	struct nx842_crypto_param p;
 	struct nx842_constraints c = *ctx->driver->constraints;
@@ -490,7 +495,7 @@ int nx842_crypto_decompress(struct crypto_tfm *tfm,
 	}
 
 	memcpy(&ctx->header, src, hdr_len);
-	hdr = &ctx->header;
+	hdr = container_of(&ctx->header, struct nx842_crypto_header, hdr);
 
 	for (n = 0; n < hdr->groups; n++) {
 		/* ignore applies to last group */
diff --git a/drivers/crypto/nx/nx-842.h b/drivers/crypto/nx/nx-842.h
index 7590bfb24d79..58137ffd3835 100644
--- a/drivers/crypto/nx/nx-842.h
+++ b/drivers/crypto/nx/nx-842.h
@@ -3,7 +3,6 @@
 #ifndef __NX_842_H__
 #define __NX_842_H__
 
-#include <crypto/algapi.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/module.h>
@@ -101,6 +100,8 @@
 #define LEN_ON_SIZE(pa, size)	((size) - ((pa) & ((size) - 1)))
 #define LEN_ON_PAGE(pa)		LEN_ON_SIZE(pa, PAGE_SIZE)
 
+struct crypto_scomp;
+
 static inline unsigned long nx842_get_pa(void *addr)
 {
 	if (!is_vmalloc_addr(addr))
@@ -157,9 +158,11 @@ struct nx842_crypto_header_group {
 } __packed;
 
 struct nx842_crypto_header {
-	__be16 magic;		/* NX842_CRYPTO_MAGIC */
-	__be16 ignore;		/* decompressed end bytes to ignore */
-	u8 groups;		/* total groups in this header */
+	struct_group_tagged(nx842_crypto_header_hdr, hdr,
+		__be16 magic;		/* NX842_CRYPTO_MAGIC */
+		__be16 ignore;		/* decompressed end bytes to ignore */
+		u8 groups;		/* total groups in this header */
+	);
 	struct nx842_crypto_header_group group[];
 } __packed;
 
@@ -171,19 +174,19 @@ struct nx842_crypto_ctx {
 	u8 *wmem;
 	u8 *sbounce, *dbounce;
 
-	struct nx842_crypto_header header;
+	struct nx842_crypto_header_hdr header;
 	struct nx842_crypto_header_group group[NX842_CRYPTO_GROUP_MAX];
 
 	struct nx842_driver *driver;
 };
 
-int nx842_crypto_init(struct crypto_tfm *tfm, struct nx842_driver *driver);
-void nx842_crypto_exit(struct crypto_tfm *tfm);
-int nx842_crypto_compress(struct crypto_tfm *tfm,
+void *nx842_crypto_alloc_ctx(struct nx842_driver *driver);
+void nx842_crypto_free_ctx(void *ctx);
+int nx842_crypto_compress(struct crypto_scomp *tfm,
 			  const u8 *src, unsigned int slen,
-			  u8 *dst, unsigned int *dlen);
-int nx842_crypto_decompress(struct crypto_tfm *tfm,
+			  u8 *dst, unsigned int *dlen, void *ctx);
+int nx842_crypto_decompress(struct crypto_scomp *tfm,
 			    const u8 *src, unsigned int slen,
-			    u8 *dst, unsigned int *dlen);
+			    u8 *dst, unsigned int *dlen, void *ctx);
 
 #endif /* __NX_842_H__ */
diff --git a/drivers/crypto/nx/nx-common-powernv.c b/drivers/crypto/nx/nx-common-powernv.c
index 8c859872c183..fd0a98b2fb1b 100644
--- a/drivers/crypto/nx/nx-common-powernv.c
+++ b/drivers/crypto/nx/nx-common-powernv.c
@@ -9,6 +9,7 @@
 
 #include "nx-842.h"
 
+#include <crypto/internal/scompress.h>
 #include <linux/timer.h>
 
 #include <asm/prom.h>
@@ -1031,23 +1032,21 @@ static struct nx842_driver nx842_powernv_driver = {
 	.decompress =	nx842_powernv_decompress,
 };
 
-static int nx842_powernv_crypto_init(struct crypto_tfm *tfm)
+static void *nx842_powernv_crypto_alloc_ctx(void)
 {
-	return nx842_crypto_init(tfm, &nx842_powernv_driver);
+	return nx842_crypto_alloc_ctx(&nx842_powernv_driver);
 }
 
-static struct crypto_alg nx842_powernv_alg = {
-	.cra_name		= "842",
-	.cra_driver_name	= "842-nx",
-	.cra_priority		= 300,
-	.cra_flags		= CRYPTO_ALG_TYPE_COMPRESS,
-	.cra_ctxsize		= sizeof(struct nx842_crypto_ctx),
-	.cra_module		= THIS_MODULE,
-	.cra_init		= nx842_powernv_crypto_init,
-	.cra_exit		= nx842_crypto_exit,
-	.cra_u			= { .compress = {
-	.coa_compress		= nx842_crypto_compress,
-	.coa_decompress		= nx842_crypto_decompress } }
+static struct scomp_alg nx842_powernv_alg = {
+	.base.cra_name		= "842",
+	.base.cra_driver_name	= "842-nx",
+	.base.cra_priority	= 300,
+	.base.cra_module	= THIS_MODULE,
+
+	.alloc_ctx		= nx842_powernv_crypto_alloc_ctx,
+	.free_ctx		= nx842_crypto_free_ctx,
+	.compress		= nx842_crypto_compress,
+	.decompress		= nx842_crypto_decompress,
 };
 
 static __init int nx_compress_powernv_init(void)
@@ -1107,7 +1106,7 @@ static __init int nx_compress_powernv_init(void)
 		nx842_powernv_exec = nx842_exec_vas;
 	}
 
-	ret = crypto_register_alg(&nx842_powernv_alg);
+	ret = crypto_register_scomp(&nx842_powernv_alg);
 	if (ret) {
 		nx_delete_coprocs();
 		return ret;
@@ -1128,7 +1127,7 @@ static void __exit nx_compress_powernv_exit(void)
 	if (!nx842_ct)
 		vas_unregister_api_powernv();
 
-	crypto_unregister_alg(&nx842_powernv_alg);
+	crypto_unregister_scomp(&nx842_powernv_alg);
 
 	nx_delete_coprocs();
 }
diff --git a/drivers/crypto/nx/nx-common-pseries.c b/drivers/crypto/nx/nx-common-pseries.c
index 7e98f174f69b..0d26aafd0886 100644
--- a/drivers/crypto/nx/nx-common-pseries.c
+++ b/drivers/crypto/nx/nx-common-pseries.c
@@ -11,6 +11,7 @@
 #include <asm/vio.h>
 #include <asm/hvcall.h>
 #include <asm/vas.h>
+#include <crypto/internal/scompress.h>
 
 #include "nx-842.h"
 #include "nx_csbcpb.h" /* struct nx_csbcpb */
@@ -1008,23 +1009,21 @@ static struct nx842_driver nx842_pseries_driver = {
 	.decompress =	nx842_pseries_decompress,
 };
 
-static int nx842_pseries_crypto_init(struct crypto_tfm *tfm)
+static void *nx842_pseries_crypto_alloc_ctx(void)
 {
-	return nx842_crypto_init(tfm, &nx842_pseries_driver);
+	return nx842_crypto_alloc_ctx(&nx842_pseries_driver);
 }
 
-static struct crypto_alg nx842_pseries_alg = {
-	.cra_name		= "842",
-	.cra_driver_name	= "842-nx",
-	.cra_priority		= 300,
-	.cra_flags		= CRYPTO_ALG_TYPE_COMPRESS,
-	.cra_ctxsize		= sizeof(struct nx842_crypto_ctx),
-	.cra_module		= THIS_MODULE,
-	.cra_init		= nx842_pseries_crypto_init,
-	.cra_exit		= nx842_crypto_exit,
-	.cra_u			= { .compress = {
-	.coa_compress		= nx842_crypto_compress,
-	.coa_decompress		= nx842_crypto_decompress } }
+static struct scomp_alg nx842_pseries_alg = {
+	.base.cra_name		= "842",
+	.base.cra_driver_name	= "842-nx",
+	.base.cra_priority	= 300,
+	.base.cra_module	= THIS_MODULE,
+
+	.alloc_ctx		= nx842_pseries_crypto_alloc_ctx,
+	.free_ctx		= nx842_crypto_free_ctx,
+	.compress		= nx842_crypto_compress,
+	.decompress		= nx842_crypto_decompress,
 };
 
 static int nx842_probe(struct vio_dev *viodev,
@@ -1072,7 +1071,7 @@ static int nx842_probe(struct vio_dev *viodev,
 	if (ret)
 		goto error;
 
-	ret = crypto_register_alg(&nx842_pseries_alg);
+	ret = crypto_register_scomp(&nx842_pseries_alg);
 	if (ret) {
 		dev_err(&viodev->dev, "could not register comp alg: %d\n", ret);
 		goto error;
@@ -1120,7 +1119,7 @@ static void nx842_remove(struct vio_dev *viodev)
 	if (caps_feat)
 		sysfs_remove_group(&viodev->dev.kobj, &nxcop_caps_attr_group);
 
-	crypto_unregister_alg(&nx842_pseries_alg);
+	crypto_unregister_scomp(&nx842_pseries_alg);
 
 	spin_lock_irqsave(&devdata_mutex, flags);
 	old_devdata = rcu_dereference_check(devdata,
@@ -1252,7 +1251,7 @@ static void __exit nx842_pseries_exit(void)
 
 	vas_unregister_api_pseries();
 
-	crypto_unregister_alg(&nx842_pseries_alg);
+	crypto_unregister_scomp(&nx842_pseries_alg);
 
 	spin_lock_irqsave(&devdata_mutex, flags);
 	old_devdata = rcu_dereference_check(devdata,
diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index 4ca4fbd227bc..347483f6fc5d 100644
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -12,6 +12,7 @@
  * All rights reserved.
  */
 
+#include <linux/workqueue.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/mod_devicetable.h>
@@ -868,20 +869,28 @@ struct talitos_ahash_req_ctx {
 	u8 buf[2][HASH_MAX_BLOCK_SIZE];
 	int buf_idx;
 	unsigned int swinit;
-	unsigned int first;
-	unsigned int last;
+	unsigned int first_desc;
+	unsigned int last_desc;
+	unsigned int last_request;
 	unsigned int to_hash_later;
 	unsigned int nbuf;
 	struct scatterlist bufsl[2];
 	struct scatterlist *psrc;
+
+	struct scatterlist request_bufsl[2];
+	struct ahash_request *areq;
+	struct scatterlist *request_sl;
+	unsigned int remaining_ahash_request_bytes;
+	unsigned int current_ahash_request_bytes;
+	struct work_struct sec1_ahash_process_remaining;
 };
 
 struct talitos_export_state {
 	u32 hw_context[TALITOS_MDEU_MAX_CONTEXT_SIZE / sizeof(u32)];
 	u8 buf[HASH_MAX_BLOCK_SIZE];
 	unsigned int swinit;
-	unsigned int first;
-	unsigned int last;
+	unsigned int first_desc;
+	unsigned int last_desc;
 	unsigned int to_hash_later;
 	unsigned int nbuf;
 };
@@ -1713,7 +1722,7 @@ static void common_nonsnoop_hash_unmap(struct device *dev,
 	if (desc->next_desc &&
 	    desc->ptr[5].ptr != desc2->ptr[5].ptr)
 		unmap_single_talitos_ptr(dev, &desc2->ptr[5], DMA_FROM_DEVICE);
-	if (req_ctx->last)
+	if (req_ctx->last_desc)
 		memcpy(areq->result, req_ctx->hw_context,
 		       crypto_ahash_digestsize(tfm));
 
@@ -1750,7 +1759,7 @@ static void ahash_done(struct device *dev,
 		 container_of(desc, struct talitos_edesc, desc);
 	struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
 
-	if (!req_ctx->last && req_ctx->to_hash_later) {
+	if (!req_ctx->last_desc && req_ctx->to_hash_later) {
 		/* Position any partial block for next update/final/finup */
 		req_ctx->buf_idx = (req_ctx->buf_idx + 1) & 1;
 		req_ctx->nbuf = req_ctx->to_hash_later;
@@ -1759,7 +1768,20 @@ static void ahash_done(struct device *dev,
 
 	kfree(edesc);
 
-	ahash_request_complete(areq, err);
+	if (err) {
+		ahash_request_complete(areq, err);
+		return;
+	}
+
+	req_ctx->remaining_ahash_request_bytes -=
+		req_ctx->current_ahash_request_bytes;
+
+	if (!req_ctx->remaining_ahash_request_bytes) {
+		ahash_request_complete(areq, 0);
+		return;
+	}
+
+	schedule_work(&req_ctx->sec1_ahash_process_remaining);
 }
 
 /*
@@ -1803,7 +1825,7 @@ static int common_nonsnoop_hash(struct talitos_edesc *edesc,
 	/* first DWORD empty */
 
 	/* hash context in */
-	if (!req_ctx->first || req_ctx->swinit) {
+	if (!req_ctx->first_desc || req_ctx->swinit) {
 		map_single_talitos_ptr_nosync(dev, &desc->ptr[1],
 					      req_ctx->hw_context_size,
 					      req_ctx->hw_context,
@@ -1811,7 +1833,7 @@ static int common_nonsnoop_hash(struct talitos_edesc *edesc,
 		req_ctx->swinit = 0;
 	}
 	/* Indicate next op is not the first. */
-	req_ctx->first = 0;
+	req_ctx->first_desc = 0;
 
 	/* HMAC key */
 	if (ctx->keylen)
@@ -1844,7 +1866,7 @@ static int common_nonsnoop_hash(struct talitos_edesc *edesc,
 	/* fifth DWORD empty */
 
 	/* hash/HMAC out -or- hash context out */
-	if (req_ctx->last)
+	if (req_ctx->last_desc)
 		map_single_talitos_ptr(dev, &desc->ptr[5],
 				       crypto_ahash_digestsize(tfm),
 				       req_ctx->hw_context, DMA_FROM_DEVICE);
@@ -1886,7 +1908,7 @@ static int common_nonsnoop_hash(struct talitos_edesc *edesc,
 		if (sg_count > 1)
 			sync_needed = true;
 		copy_talitos_ptr(&desc2->ptr[5], &desc->ptr[5], is_sec1);
-		if (req_ctx->last)
+		if (req_ctx->last_desc)
 			map_single_talitos_ptr_nosync(dev, &desc->ptr[5],
 						      req_ctx->hw_context_size,
 						      req_ctx->hw_context,
@@ -1925,6 +1947,171 @@ static struct talitos_edesc *ahash_edesc_alloc(struct ahash_request *areq,
 				   nbytes, 0, 0, 0, areq->base.flags, false);
 }
 
+static int ahash_process_req_one(struct ahash_request *areq, unsigned int nbytes)
+{
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
+	struct talitos_ctx *ctx = crypto_ahash_ctx(tfm);
+	struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
+	struct talitos_edesc *edesc;
+	unsigned int blocksize =
+			crypto_tfm_alg_blocksize(crypto_ahash_tfm(tfm));
+	unsigned int nbytes_to_hash;
+	unsigned int to_hash_later;
+	unsigned int nsg;
+	int nents;
+	struct device *dev = ctx->dev;
+	struct talitos_private *priv = dev_get_drvdata(dev);
+	bool is_sec1 = has_ftr_sec1(priv);
+	u8 *ctx_buf = req_ctx->buf[req_ctx->buf_idx];
+
+	if (!req_ctx->last_desc && (nbytes + req_ctx->nbuf <= blocksize)) {
+		/* Buffer up to one whole block */
+		nents = sg_nents_for_len(req_ctx->request_sl, nbytes);
+		if (nents < 0) {
+			dev_err(dev, "Invalid number of src SG.\n");
+			return nents;
+		}
+		sg_copy_to_buffer(req_ctx->request_sl, nents,
+				  ctx_buf + req_ctx->nbuf, nbytes);
+		req_ctx->nbuf += nbytes;
+		return 0;
+	}
+
+	/* At least (blocksize + 1) bytes are available to hash */
+	nbytes_to_hash = nbytes + req_ctx->nbuf;
+	to_hash_later = nbytes_to_hash & (blocksize - 1);
+
+	if (req_ctx->last_desc)
+		to_hash_later = 0;
+	else if (to_hash_later)
+		/* There is a partial block. Hash the full block(s) now */
+		nbytes_to_hash -= to_hash_later;
+	else {
+		/* Keep one block buffered */
+		nbytes_to_hash -= blocksize;
+		to_hash_later = blocksize;
+	}
+
+	/* Chain in any previously buffered data */
+	if (!is_sec1 && req_ctx->nbuf) {
+		nsg = (req_ctx->nbuf < nbytes_to_hash) ? 2 : 1;
+		sg_init_table(req_ctx->bufsl, nsg);
+		sg_set_buf(req_ctx->bufsl, ctx_buf, req_ctx->nbuf);
+		if (nsg > 1)
+			sg_chain(req_ctx->bufsl, 2, req_ctx->request_sl);
+		req_ctx->psrc = req_ctx->bufsl;
+	} else if (is_sec1 && req_ctx->nbuf && req_ctx->nbuf < blocksize) {
+		int offset;
+
+		if (nbytes_to_hash > blocksize)
+			offset = blocksize - req_ctx->nbuf;
+		else
+			offset = nbytes_to_hash - req_ctx->nbuf;
+		nents = sg_nents_for_len(req_ctx->request_sl, offset);
+		if (nents < 0) {
+			dev_err(dev, "Invalid number of src SG.\n");
+			return nents;
+		}
+		sg_copy_to_buffer(req_ctx->request_sl, nents,
+				  ctx_buf + req_ctx->nbuf, offset);
+		req_ctx->nbuf += offset;
+		req_ctx->psrc = scatterwalk_ffwd(req_ctx->bufsl, req_ctx->request_sl,
+						 offset);
+	} else
+		req_ctx->psrc = req_ctx->request_sl;
+
+	if (to_hash_later) {
+		nents = sg_nents_for_len(req_ctx->request_sl, nbytes);
+		if (nents < 0) {
+			dev_err(dev, "Invalid number of src SG.\n");
+			return nents;
+		}
+		sg_pcopy_to_buffer(req_ctx->request_sl, nents,
+				   req_ctx->buf[(req_ctx->buf_idx + 1) & 1],
+				      to_hash_later,
+				      nbytes - to_hash_later);
+	}
+	req_ctx->to_hash_later = to_hash_later;
+
+	/* Allocate extended descriptor */
+	edesc = ahash_edesc_alloc(req_ctx->areq, nbytes_to_hash);
+	if (IS_ERR(edesc))
+		return PTR_ERR(edesc);
+
+	edesc->desc.hdr = ctx->desc_hdr_template;
+
+	/* On last one, request SEC to pad; otherwise continue */
+	if (req_ctx->last_desc)
+		edesc->desc.hdr |= DESC_HDR_MODE0_MDEU_PAD;
+	else
+		edesc->desc.hdr |= DESC_HDR_MODE0_MDEU_CONT;
+
+	/* request SEC to INIT hash. */
+	if (req_ctx->first_desc && !req_ctx->swinit)
+		edesc->desc.hdr |= DESC_HDR_MODE0_MDEU_INIT;
+
+	/* When the tfm context has a keylen, it's an HMAC.
+	 * A first or last (ie. not middle) descriptor must request HMAC.
+	 */
+	if (ctx->keylen && (req_ctx->first_desc || req_ctx->last_desc))
+		edesc->desc.hdr |= DESC_HDR_MODE0_MDEU_HMAC;
+
+	return common_nonsnoop_hash(edesc, req_ctx->areq, nbytes_to_hash, ahash_done);
+}
+
+static void sec1_ahash_process_remaining(struct work_struct *work)
+{
+	struct talitos_ahash_req_ctx *req_ctx =
+		container_of(work, struct talitos_ahash_req_ctx,
+			     sec1_ahash_process_remaining);
+	int err = 0;
+
+	req_ctx->request_sl = scatterwalk_ffwd(req_ctx->request_bufsl,
+					       req_ctx->request_sl, TALITOS1_MAX_DATA_LEN);
+
+	if (req_ctx->remaining_ahash_request_bytes > TALITOS1_MAX_DATA_LEN)
+		req_ctx->current_ahash_request_bytes = TALITOS1_MAX_DATA_LEN;
+	else {
+		req_ctx->current_ahash_request_bytes =
+			req_ctx->remaining_ahash_request_bytes;
+
+		if (req_ctx->last_request)
+			req_ctx->last_desc = 1;
+	}
+
+	err = ahash_process_req_one(req_ctx->areq,
+				    req_ctx->current_ahash_request_bytes);
+
+	if (err != -EINPROGRESS)
+		ahash_request_complete(req_ctx->areq, err);
+}
+
+static int ahash_process_req(struct ahash_request *areq, unsigned int nbytes)
+{
+	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
+	struct talitos_ctx *ctx = crypto_ahash_ctx(tfm);
+	struct device *dev = ctx->dev;
+	struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
+	struct talitos_private *priv = dev_get_drvdata(dev);
+	bool is_sec1 = has_ftr_sec1(priv);
+
+	req_ctx->areq = areq;
+	req_ctx->request_sl = areq->src;
+	req_ctx->remaining_ahash_request_bytes = nbytes;
+
+	if (is_sec1) {
+		if (nbytes > TALITOS1_MAX_DATA_LEN)
+			nbytes = TALITOS1_MAX_DATA_LEN;
+		else if (req_ctx->last_request)
+			req_ctx->last_desc = 1;
+	}
+
+	req_ctx->current_ahash_request_bytes = nbytes;
+
+	return ahash_process_req_one(req_ctx->areq,
+				     req_ctx->current_ahash_request_bytes);
+}
+
 static int ahash_init(struct ahash_request *areq)
 {
 	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
@@ -1937,12 +2124,15 @@ static int ahash_init(struct ahash_request *areq)
 	/* Initialize the context */
 	req_ctx->buf_idx = 0;
 	req_ctx->nbuf = 0;
-	req_ctx->first = 1; /* first indicates h/w must init its context */
+	req_ctx->first_desc = 1; /* first_desc indicates h/w must init its context */
 	req_ctx->swinit = 0; /* assume h/w init of context */
 	size =	(crypto_ahash_digestsize(tfm) <= SHA256_DIGEST_SIZE)
 			? TALITOS_MDEU_CONTEXT_SIZE_MD5_SHA1_SHA256
 			: TALITOS_MDEU_CONTEXT_SIZE_SHA384_SHA512;
 	req_ctx->hw_context_size = size;
+	req_ctx->last_request = 0;
+	req_ctx->last_desc = 0;
+	INIT_WORK(&req_ctx->sec1_ahash_process_remaining, sec1_ahash_process_remaining);
 
 	dma = dma_map_single(dev, req_ctx->hw_context, req_ctx->hw_context_size,
 			     DMA_TO_DEVICE);
@@ -1978,123 +2168,11 @@ static int ahash_init_sha224_swinit(struct ahash_request *areq)
 	return 0;
 }
 
-static int ahash_process_req(struct ahash_request *areq, unsigned int nbytes)
-{
-	struct crypto_ahash *tfm = crypto_ahash_reqtfm(areq);
-	struct talitos_ctx *ctx = crypto_ahash_ctx(tfm);
-	struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
-	struct talitos_edesc *edesc;
-	unsigned int blocksize =
-			crypto_tfm_alg_blocksize(crypto_ahash_tfm(tfm));
-	unsigned int nbytes_to_hash;
-	unsigned int to_hash_later;
-	unsigned int nsg;
-	int nents;
-	struct device *dev = ctx->dev;
-	struct talitos_private *priv = dev_get_drvdata(dev);
-	bool is_sec1 = has_ftr_sec1(priv);
-	u8 *ctx_buf = req_ctx->buf[req_ctx->buf_idx];
-
-	if (!req_ctx->last && (nbytes + req_ctx->nbuf <= blocksize)) {
-		/* Buffer up to one whole block */
-		nents = sg_nents_for_len(areq->src, nbytes);
-		if (nents < 0) {
-			dev_err(dev, "Invalid number of src SG.\n");
-			return nents;
-		}
-		sg_copy_to_buffer(areq->src, nents,
-				  ctx_buf + req_ctx->nbuf, nbytes);
-		req_ctx->nbuf += nbytes;
-		return 0;
-	}
-
-	/* At least (blocksize + 1) bytes are available to hash */
-	nbytes_to_hash = nbytes + req_ctx->nbuf;
-	to_hash_later = nbytes_to_hash & (blocksize - 1);
-
-	if (req_ctx->last)
-		to_hash_later = 0;
-	else if (to_hash_later)
-		/* There is a partial block. Hash the full block(s) now */
-		nbytes_to_hash -= to_hash_later;
-	else {
-		/* Keep one block buffered */
-		nbytes_to_hash -= blocksize;
-		to_hash_later = blocksize;
-	}
-
-	/* Chain in any previously buffered data */
-	if (!is_sec1 && req_ctx->nbuf) {
-		nsg = (req_ctx->nbuf < nbytes_to_hash) ? 2 : 1;
-		sg_init_table(req_ctx->bufsl, nsg);
-		sg_set_buf(req_ctx->bufsl, ctx_buf, req_ctx->nbuf);
-		if (nsg > 1)
-			sg_chain(req_ctx->bufsl, 2, areq->src);
-		req_ctx->psrc = req_ctx->bufsl;
-	} else if (is_sec1 && req_ctx->nbuf && req_ctx->nbuf < blocksize) {
-		int offset;
-
-		if (nbytes_to_hash > blocksize)
-			offset = blocksize - req_ctx->nbuf;
-		else
-			offset = nbytes_to_hash - req_ctx->nbuf;
-		nents = sg_nents_for_len(areq->src, offset);
-		if (nents < 0) {
-			dev_err(dev, "Invalid number of src SG.\n");
-			return nents;
-		}
-		sg_copy_to_buffer(areq->src, nents,
-				  ctx_buf + req_ctx->nbuf, offset);
-		req_ctx->nbuf += offset;
-		req_ctx->psrc = scatterwalk_ffwd(req_ctx->bufsl, areq->src,
-						 offset);
-	} else
-		req_ctx->psrc = areq->src;
-
-	if (to_hash_later) {
-		nents = sg_nents_for_len(areq->src, nbytes);
-		if (nents < 0) {
-			dev_err(dev, "Invalid number of src SG.\n");
-			return nents;
-		}
-		sg_pcopy_to_buffer(areq->src, nents,
-				   req_ctx->buf[(req_ctx->buf_idx + 1) & 1],
-				      to_hash_later,
-				      nbytes - to_hash_later);
-	}
-	req_ctx->to_hash_later = to_hash_later;
-
-	/* Allocate extended descriptor */
-	edesc = ahash_edesc_alloc(areq, nbytes_to_hash);
-	if (IS_ERR(edesc))
-		return PTR_ERR(edesc);
-
-	edesc->desc.hdr = ctx->desc_hdr_template;
-
-	/* On last one, request SEC to pad; otherwise continue */
-	if (req_ctx->last)
-		edesc->desc.hdr |= DESC_HDR_MODE0_MDEU_PAD;
-	else
-		edesc->desc.hdr |= DESC_HDR_MODE0_MDEU_CONT;
-
-	/* request SEC to INIT hash. */
-	if (req_ctx->first && !req_ctx->swinit)
-		edesc->desc.hdr |= DESC_HDR_MODE0_MDEU_INIT;
-
-	/* When the tfm context has a keylen, it's an HMAC.
-	 * A first or last (ie. not middle) descriptor must request HMAC.
-	 */
-	if (ctx->keylen && (req_ctx->first || req_ctx->last))
-		edesc->desc.hdr |= DESC_HDR_MODE0_MDEU_HMAC;
-
-	return common_nonsnoop_hash(edesc, areq, nbytes_to_hash, ahash_done);
-}
-
 static int ahash_update(struct ahash_request *areq)
 {
 	struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
 
-	req_ctx->last = 0;
+	req_ctx->last_request = 0;
 
 	return ahash_process_req(areq, areq->nbytes);
 }
@@ -2103,7 +2181,7 @@ static int ahash_final(struct ahash_request *areq)
 {
 	struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
 
-	req_ctx->last = 1;
+	req_ctx->last_request = 1;
 
 	return ahash_process_req(areq, 0);
 }
@@ -2112,7 +2190,7 @@ static int ahash_finup(struct ahash_request *areq)
 {
 	struct talitos_ahash_req_ctx *req_ctx = ahash_request_ctx(areq);
 
-	req_ctx->last = 1;
+	req_ctx->last_request = 1;
 
 	return ahash_process_req(areq, areq->nbytes);
 }
@@ -2145,8 +2223,8 @@ static int ahash_export(struct ahash_request *areq, void *out)
 	       req_ctx->hw_context_size);
 	memcpy(export->buf, req_ctx->buf[req_ctx->buf_idx], req_ctx->nbuf);
 	export->swinit = req_ctx->swinit;
-	export->first = req_ctx->first;
-	export->last = req_ctx->last;
+	export->first_desc = req_ctx->first_desc;
+	export->last_desc = req_ctx->last_desc;
 	export->to_hash_later = req_ctx->to_hash_later;
 	export->nbuf = req_ctx->nbuf;
 
@@ -2171,8 +2249,8 @@ static int ahash_import(struct ahash_request *areq, const void *in)
 	memcpy(req_ctx->hw_context, export->hw_context, size);
 	memcpy(req_ctx->buf[0], export->buf, export->nbuf);
 	req_ctx->swinit = export->swinit;
-	req_ctx->first = export->first;
-	req_ctx->last = export->last;
+	req_ctx->first_desc = export->first_desc;
+	req_ctx->last_desc = export->last_desc;
 	req_ctx->to_hash_later = export->to_hash_later;
 	req_ctx->nbuf = export->nbuf;
 
diff --git a/drivers/dma/idxd/device.c b/drivers/dma/idxd/device.c
index 44bbeb3acd14..13af4ef2f43f 100644
--- a/drivers/dma/idxd/device.c
+++ b/drivers/dma/idxd/device.c
@@ -810,8 +810,7 @@ static void idxd_device_evl_free(struct idxd_device *idxd)
 	struct device *dev = &idxd->pdev->dev;
 	struct idxd_evl *evl = idxd->evl;
 
-	gencfg.bits = ioread32(idxd->reg_base + IDXD_GENCFG_OFFSET);
-	if (!gencfg.evl_en)
+	if (!evl)
 		return;
 
 	mutex_lock(&evl->lock);
diff --git a/drivers/extcon/extcon-ptn5150.c b/drivers/extcon/extcon-ptn5150.c
index 4616da7e5430..4e69982e0345 100644
--- a/drivers/extcon/extcon-ptn5150.c
+++ b/drivers/extcon/extcon-ptn5150.c
@@ -331,6 +331,19 @@ 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" },
 	{ },
@@ -346,6 +359,7 @@ 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		= ptn5150_i2c_probe,
diff --git a/drivers/firmware/google/framebuffer-coreboot.c b/drivers/firmware/google/framebuffer-coreboot.c
index c323a818805c..b626b11ebf85 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);
@@ -64,22 +64,12 @@ static int framebuffer_probe(struct coreboot_device *dev)
 						 sizeof(pdata));
 	if (IS_ERR(pdev))
 		pr_warn("coreboot: could not register framebuffer\n");
-	else
-		dev_set_drvdata(&dev->dev, pdev);
 
 	return PTR_ERR_OR_ZERO(pdev);
 }
 
-static void framebuffer_remove(struct coreboot_device *dev)
-{
-	struct platform_device *pdev = dev_get_drvdata(&dev->dev);
-
-	platform_device_unregister(pdev);
-}
-
 static struct coreboot_driver framebuffer_driver = {
 	.probe = framebuffer_probe,
-	.remove = framebuffer_remove,
 	.drv = {
 		.name = "framebuffer",
 	},
diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index c1e83b2926ae..4da0798ccd12 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -1136,5 +1136,12 @@ int of_gpiochip_add(struct gpio_chip *chip)
 
 void of_gpiochip_remove(struct gpio_chip *chip)
 {
-	of_node_put(dev_of_node(&chip->gpiodev->dev));
+	struct device_node *np = dev_of_node(&chip->gpiodev->dev);
+
+	for_each_child_of_node_scoped(np, child) {
+		if (of_property_present(child, "gpio-hog"))
+			of_node_clear_flag(child, OF_POPULATED);
+	}
+
+	of_node_put(np);
 }
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
index b2d86ffc626c..9c0e4e4bf3f6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -1665,7 +1665,8 @@ int amdgpu_amdkfd_gpuvm_alloc_memory_of_gpu(
 			alloc_domain = AMDGPU_GEM_DOMAIN_GTT;
 			alloc_flags = 0;
 		} else {
-			alloc_flags = AMDGPU_GEM_CREATE_VRAM_WIPE_ON_RELEASE;
+			alloc_flags = AMDGPU_GEM_CREATE_VRAM_WIPE_ON_RELEASE |
+				AMDGPU_GEM_CREATE_VRAM_CLEARED;
 			alloc_flags |= (flags & KFD_IOC_ALLOC_MEM_FLAGS_PUBLIC) ?
 			AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED : 0;
 		}
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c
index 9a53ca555e70..4efdc49d1015 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c
@@ -36,6 +36,7 @@
 
 #define AMDGPU_BO_LIST_MAX_PRIORITY	32u
 #define AMDGPU_BO_LIST_NUM_BUCKETS	(AMDGPU_BO_LIST_MAX_PRIORITY + 1)
+#define AMDGPU_BO_LIST_MAX_ENTRIES	(128 * 1024)
 
 static void amdgpu_bo_list_free_rcu(struct rcu_head *rcu)
 {
@@ -195,43 +196,39 @@ void amdgpu_bo_list_put(struct amdgpu_bo_list *list)
 int amdgpu_bo_create_list_entry_array(struct drm_amdgpu_bo_list_in *in,
 				      struct drm_amdgpu_bo_list_entry **info_param)
 {
-	const void __user *uptr = u64_to_user_ptr(in->bo_info_ptr);
 	const uint32_t info_size = sizeof(struct drm_amdgpu_bo_list_entry);
+	const void __user *uptr = u64_to_user_ptr(in->bo_info_ptr);
+	const uint32_t bo_info_size = in->bo_info_size;
+	const uint32_t bo_number = in->bo_number;
 	struct drm_amdgpu_bo_list_entry *info;
-	int r;
 
-	info = kvmalloc_array(in->bo_number, info_size, GFP_KERNEL);
-	if (!info)
-		return -ENOMEM;
+	if (bo_number > AMDGPU_BO_LIST_MAX_ENTRIES)
+		return -EINVAL;
 
 	/* copy the handle array from userspace to a kernel buffer */
-	r = -EFAULT;
-	if (likely(info_size == in->bo_info_size)) {
-		unsigned long bytes = in->bo_number *
-			in->bo_info_size;
-
-		if (copy_from_user(info, uptr, bytes))
-			goto error_free;
-
+	if (likely(info_size == bo_info_size)) {
+		info = vmemdup_array_user(uptr, bo_number, info_size);
+		if (IS_ERR(info))
+			return PTR_ERR(info);
 	} else {
-		unsigned long bytes = min(in->bo_info_size, info_size);
+		const uint32_t bytes = min(bo_info_size, info_size);
 		unsigned i;
 
-		memset(info, 0, in->bo_number * info_size);
-		for (i = 0; i < in->bo_number; ++i) {
-			if (copy_from_user(&info[i], uptr, bytes))
-				goto error_free;
+		info = kvmalloc_array(bo_number, info_size, GFP_KERNEL);
+		if (!info)
+			return -ENOMEM;
 
-			uptr += in->bo_info_size;
+		memset(info, 0, bo_number * info_size);
+		for (i = 0; i < bo_number; ++i, uptr += bo_info_size) {
+			if (copy_from_user(&info[i], uptr, bytes)) {
+				kvfree(info);
+				return -EFAULT;
+			}
 		}
 	}
 
 	*info_param = info;
 	return 0;
-
-error_free:
-	kvfree(info);
-	return r;
 }
 
 int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
index eace2c9d0c36..ea75c2b2bbb1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
@@ -252,12 +252,19 @@ void amdgpu_gart_table_ram_free(struct amdgpu_device *adev)
  */
 int amdgpu_gart_table_vram_alloc(struct amdgpu_device *adev)
 {
+	int r;
+
 	if (adev->gart.bo != NULL)
 		return 0;
 
-	return amdgpu_bo_create_kernel(adev,  adev->gart.table_size, PAGE_SIZE,
-				       AMDGPU_GEM_DOMAIN_VRAM, &adev->gart.bo,
-				       NULL, (void *)&adev->gart.ptr);
+	r = amdgpu_bo_create_kernel(adev,  adev->gart.table_size, PAGE_SIZE,
+				    AMDGPU_GEM_DOMAIN_VRAM, &adev->gart.bo,
+				    NULL, (void *)&adev->gart.ptr);
+	if (r)
+		return r;
+
+	memset_io(adev->gart.ptr, adev->gart.gart_pte_flags, adev->gart.table_size);
+	return 0;
 }
 
 /**
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
index 60f770b99c2c..dc17e2ce84d0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
@@ -440,15 +440,18 @@ void amdgpu_debugfs_ring_init(struct amdgpu_device *adev,
 
 int amdgpu_ring_init_mqd(struct amdgpu_ring *ring);
 
-static inline u32 amdgpu_ib_get_value(struct amdgpu_ib *ib, int idx)
+static inline u32 amdgpu_ib_get_value(struct amdgpu_ib *ib, uint32_t idx)
 {
-	return ib->ptr[idx];
+	if (idx < ib->length_dw)
+		return ib->ptr[idx];
+	return 0;
 }
 
-static inline void amdgpu_ib_set_value(struct amdgpu_ib *ib, int idx,
+static inline void amdgpu_ib_set_value(struct amdgpu_ib *ib, uint32_t idx,
 				       uint32_t value)
 {
-	ib->ptr[idx] = value;
+	if (idx < ib->length_dw)
+		ib->ptr[idx] = value;
 }
 
 int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index c56405b49050..96c98417c29d 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -75,6 +75,9 @@ 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/amdgpu_vce.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
index 8e91355ad42c..d25d444984b3 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vce.c
@@ -654,6 +654,9 @@ static int amdgpu_vce_cs_reloc(struct amdgpu_cs_parser *p, struct amdgpu_ib *ib,
 	uint64_t addr;
 	int r;
 
+	if (lo >= ib->length_dw || hi >= ib->length_dw)
+		return -EINVAL;
+
 	if (index == 0xffffffff)
 		index = 0;
 
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
index 895060f6948f..f923aaa6104a 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c
@@ -5388,9 +5388,6 @@ 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 0ba9a3d3312f..6a26428572ec 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
@@ -841,7 +841,7 @@ 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));
@@ -851,7 +851,7 @@ 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/vcn_v3_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
index 710328f12194..c9345da548a6 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v3_0.c
@@ -1789,7 +1789,7 @@ static int vcn_v3_0_dec_msg(struct amdgpu_cs_parser *p, struct amdgpu_job *job,
 {
 	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;
@@ -1810,6 +1810,11 @@ static int vcn_v3_0_dec_msg(struct amdgpu_cs_parser *p, struct amdgpu_job *job,
 		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);
@@ -1826,8 +1831,8 @@ static int vcn_v3_0_dec_msg(struct amdgpu_cs_parser *p, struct amdgpu_job *job,
 
 	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;
 	}
@@ -1835,9 +1840,19 @@ static int vcn_v3_0_dec_msg(struct amdgpu_cs_parser *p, struct amdgpu_job *job,
 	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;
@@ -1845,14 +1860,16 @@ static int vcn_v3_0_dec_msg(struct amdgpu_cs_parser *p, struct amdgpu_job *job,
 		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/amdgpu/vcn_v4_0.c b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
index 43249e9f66d7..d35bc5d01b44 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0.c
@@ -1668,7 +1668,7 @@ static int vcn_v4_0_dec_msg(struct amdgpu_cs_parser *p, struct amdgpu_job *job,
 {
 	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;
@@ -1689,6 +1689,11 @@ static int vcn_v4_0_dec_msg(struct amdgpu_cs_parser *p, struct amdgpu_job *job,
 		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);
@@ -1705,8 +1710,8 @@ static int vcn_v4_0_dec_msg(struct amdgpu_cs_parser *p, struct amdgpu_job *job,
 
 	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;
 	}
@@ -1714,9 +1719,19 @@ static int vcn_v4_0_dec_msg(struct amdgpu_cs_parser *p, struct amdgpu_job *job,
 	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;
@@ -1724,7 +1739,9 @@ static int vcn_v4_0_dec_msg(struct amdgpu_cs_parser *p, struct amdgpu_job *job,
 		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;
 		}
@@ -1755,9 +1772,10 @@ static int vcn_v4_0_dec_msg(struct amdgpu_cs_parser *p, struct amdgpu_job *job,
 static int vcn_v4_0_enc_find_ib_param(struct amdgpu_ib *ib, uint32_t id, int start)
 {
 	int i;
+	uint32_t len;
 
-	for (i = start; i < ib->length_dw && ib->ptr[i] >= 8; i += ib->ptr[i] / 4) {
-		if (ib->ptr[i + 1] == id)
+	for (i = start; (len = amdgpu_ib_get_value(ib, i)) >= 8; i += len / 4) {
+		if (amdgpu_ib_get_value(ib, i + 1) == id)
 			return i;
 	}
 	return -1;
@@ -1768,8 +1786,6 @@ static int vcn_v4_0_ring_patch_cs_in_place(struct amdgpu_cs_parser *p,
 					   struct amdgpu_ib *ib)
 {
 	struct amdgpu_ring *ring = amdgpu_job_ring(job);
-	struct amdgpu_vcn_decode_buffer *decode_buffer;
-	uint64_t addr;
 	uint32_t val;
 	int idx = 0, sidx;
 
@@ -1780,20 +1796,22 @@ static int vcn_v4_0_ring_patch_cs_in_place(struct amdgpu_cs_parser *p,
 	while ((idx = vcn_v4_0_enc_find_ib_param(ib, RADEON_VCN_ENGINE_INFO, idx)) >= 0) {
 		val = amdgpu_ib_get_value(ib, idx + 2); /* RADEON_VCN_ENGINE_TYPE */
 		if (val == RADEON_VCN_ENGINE_TYPE_DECODE) {
-			decode_buffer = (struct amdgpu_vcn_decode_buffer *)&ib->ptr[idx + 6];
+			uint32_t valid_buf_flag = amdgpu_ib_get_value(ib, idx + 6);
+			uint64_t msg_buffer_addr;
 
-			if (!(decode_buffer->valid_buf_flag & 0x1))
+			if (!(valid_buf_flag & 0x1))
 				return 0;
 
-			addr = ((u64)decode_buffer->msg_buffer_address_hi) << 32 |
-				decode_buffer->msg_buffer_address_lo;
-			return vcn_v4_0_dec_msg(p, job, addr);
+			msg_buffer_addr = ((u64)amdgpu_ib_get_value(ib, idx + 7)) << 32 |
+				amdgpu_ib_get_value(ib, idx + 8);
+			return vcn_v4_0_dec_msg(p, job, msg_buffer_addr);
 		} else if (val == RADEON_VCN_ENGINE_TYPE_ENCODE) {
 			sidx = vcn_v4_0_enc_find_ib_param(ib, RENCODE_IB_PARAM_SESSION_INIT, idx);
-			if (sidx >= 0 && ib->ptr[sidx + 2] == RENCODE_ENCODE_STANDARD_AV1)
+			if (sidx >= 0 &&
+			    amdgpu_ib_get_value(ib, sidx + 2) == RENCODE_ENCODE_STANDARD_AV1)
 				return vcn_v4_0_limit_sched(p, job);
 		}
-		idx += ib->ptr[idx] / 4;
+		idx += amdgpu_ib_get_value(ib, idx) / 4;
 	}
 	return 0;
 }
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
index 2e194aa60848..d8544c766125 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c
@@ -26,6 +26,7 @@
 #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>
@@ -784,6 +785,9 @@ static int kfd_ioctl_get_process_apertures_new(struct file *filp,
 		goto out_unlock;
 	}
 
+	if (args->num_of_nodes > kfd_topology_get_num_devices())
+		return -EINVAL;
+
 	/* Fill in process-aperture information for all available
 	 * nodes, but not more than args->num_of_nodes as that is
 	 * the amount of memory allocated by user
@@ -1702,6 +1706,16 @@ static int kfd_ioctl_smi_events(struct file *filep,
 	return kfd_smi_event_open(pdd->dev, &args->anon_fd);
 }
 
+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_set_xnack_mode(struct file *filep,
@@ -3125,7 +3139,11 @@ static int kfd_ioctl_set_debug_trap(struct file *filep, struct kfd_process *p, v
 
 #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[] = {
@@ -3222,7 +3240,8 @@ 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),
@@ -3344,6 +3363,12 @@ 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 0b69ff5375c5..12de27f58edf 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
@@ -1006,10 +1006,13 @@ 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;
 };
@@ -1145,6 +1148,7 @@ static inline struct kfd_node *kfd_node_by_irq_ids(struct amdgpu_device *adev,
 	return NULL;
 }
 int kfd_topology_enum_kfd_devices(uint8_t idx, struct kfd_node **kdev);
+uint32_t kfd_topology_get_num_devices(void);
 int kfd_numa_node_to_apic_id(int numa_node_id);
 
 /* Interrupts */
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
index 3885bb53f019..556883e6a509 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
@@ -2177,6 +2177,17 @@ int kfd_topology_remove_device(struct kfd_node *gpu)
 	return res;
 }
 
+uint32_t kfd_topology_get_num_devices(void)
+{
+	uint32_t num_devices;
+
+	down_read(&topology_lock);
+	num_devices = sys_props.num_devices;
+	up_read(&topology_lock);
+
+	return num_devices;
+}
+
 /* kfd_topology_enum_kfd_devices - Enumerate through all devices in KFD
  *	topology. If GPU device is found @idx, then valid kfd_dev pointer is
  *	returned through @kdev
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index f51c3921cbc2..12f75b2ad664 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -10152,6 +10152,11 @@ static int amdgpu_dm_atomic_check(struct drm_device *dev,
 	}
 
 	if (dc_resource_is_dsc_encoding_supported(dc)) {
+		for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
+			dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
+			dm_new_crtc_state->mode_changed_independent_from_dsc = new_crtc_state->mode_changed;
+		}
+
 		for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
 			if (drm_atomic_crtc_needs_modeset(new_crtc_state)) {
 				ret = add_affected_mst_dsc_crtcs(state, crtc);
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
index 88606b805330..8d4f2cadb915 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.h
@@ -737,6 +737,7 @@ struct dm_crtc_state {
 
 	bool freesync_vrr_info_changed;
 
+	bool mode_changed_independent_from_dsc;
 	bool dsc_force_changed;
 	bool vrr_supported;
 	struct mod_freesync_config freesync_config;
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
index 2698e5c74ddf..ab6924d3046b 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_mst_types.c
@@ -1587,8 +1587,11 @@ int pre_validate_dsc(struct drm_atomic_state *state,
 		} else {
 			int ind = find_crtc_index_in_state_by_stream(state, stream);
 
-			if (ind >= 0)
-				state->crtcs[ind].new_state->mode_changed = 0;
+			if (ind >= 0) {
+				struct dm_crtc_state *dm_new_crtc_state = to_dm_crtc_state(state->crtcs[ind].new_state);
+
+				dm_new_crtc_state->base.mode_changed = dm_new_crtc_state->mode_changed_independent_from_dsc;
+			}
 		}
 	}
 clean_exit:
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 9e4228232f02..23f991dd065f 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/smumgr/ci_smumgr.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/smumgr/ci_smumgr.c
@@ -1326,12 +1326,13 @@ static int ci_populate_all_memory_levels(struct pp_hwmgr *hwmgr)
 
 	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/drm_gem_framebuffer_helper.c b/drivers/gpu/drm/drm_gem_framebuffer_helper.c
index 3bdb6ba37ff4..2383ebb5e435 100644
--- a/drivers/gpu/drm/drm_gem_framebuffer_helper.c
+++ b/drivers/gpu/drm/drm_gem_framebuffer_helper.c
@@ -174,8 +174,8 @@ 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/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c
index cd97df690335..e8ce33c89548 100644
--- a/drivers/gpu/drm/nouveau/nouveau_gem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
@@ -679,7 +679,7 @@ 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/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c
index b8f4dac68d85..63c4d99a1aac 100644
--- a/drivers/gpu/drm/radeon/ci_dpm.c
+++ b/drivers/gpu/drm/radeon/ci_dpm.c
@@ -2466,7 +2466,8 @@ 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;
@@ -3307,7 +3308,8 @@ 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 =
@@ -4504,7 +4506,8 @@ 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/tiny/arcpgu.c b/drivers/gpu/drm/tiny/arcpgu.c
index e5b10e41554a..b6218567f5a4 100644
--- a/drivers/gpu/drm/tiny/arcpgu.c
+++ b/drivers/gpu/drm/tiny/arcpgu.c
@@ -248,7 +248,8 @@ DEFINE_DRM_GEM_DMA_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/hid/hid-playstation.c b/drivers/hid/hid-playstation.c
index 199f76988bae..4db50cacbf9a 100644
--- a/drivers/hid/hid-playstation.c
+++ b/drivers/hid/hid-playstation.c
@@ -2200,7 +2200,8 @@ static int dualshock4_parse_report(struct ps_device *ps_dev, struct hid_report *
 		struct dualshock4_input_report_usb *usb = (struct dualshock4_input_report_usb *)data;
 
 		ds4_report = &usb->common;
-		num_touch_reports = usb->num_touch_reports;
+		num_touch_reports = min_t(u8, usb->num_touch_reports,
+					  ARRAY_SIZE(usb->touch_reports));
 		touch_reports = usb->touch_reports;
 	} else if (hdev->bus == BUS_BLUETOOTH && report->id == DS4_INPUT_REPORT_BT &&
 			size == DS4_INPUT_REPORT_BT_SIZE) {
@@ -2214,7 +2215,8 @@ static int dualshock4_parse_report(struct ps_device *ps_dev, struct hid_report *
 		}
 
 		ds4_report = &bt->common;
-		num_touch_reports = bt->num_touch_reports;
+		num_touch_reports = min_t(u8, bt->num_touch_reports,
+					  ARRAY_SIZE(bt->touch_reports));
 		touch_reports = bt->touch_reports;
 	} else {
 		hid_err(hdev, "Unhandled reportID=%d\n", report->id);
diff --git a/drivers/hwmon/corsair-psu.c b/drivers/hwmon/corsair-psu.c
index f8f22b8a67cd..93937e1bce19 100644
--- a/drivers/hwmon/corsair-psu.c
+++ b/drivers/hwmon/corsair-psu.c
@@ -805,13 +805,13 @@ 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 b8548105cd67..5ce1699da71d 100644
--- a/drivers/hwmon/ltc2992.c
+++ b/drivers/hwmon/ltc2992.c
@@ -421,10 +421,16 @@ 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;
 
-	return ltc2992_write_reg(st, reg, 2, val);
+	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, reg_val);
 }
 
 static int ltc2992_read_gpio_alarm(struct ltc2992_state *st, int nr_gpio, u32 attr, long *val)
@@ -549,9 +555,15 @@ 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);
 }
@@ -615,8 +627,10 @@ 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;
 }
@@ -624,9 +638,18 @@ 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;
+	u64 pmax, uval;
 
-	reg_val = mul_u64_u32_div(val, st->r_sense_uohm[channel] * 1000,
-				  LTC2992_VADC_UV_LSB * LTC2992_IADC_NANOV_LSB);
+	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/i2c/i2c-core-of.c b/drivers/i2c/i2c-core-of.c
index a6c407d36800..50e97e2ed2cf 100644
--- a/drivers/i2c/i2c-core-of.c
+++ b/drivers/i2c/i2c-core-of.c
@@ -182,7 +182,7 @@ static int of_i2c_notify(struct notifier_block *nb, unsigned long action,
 		 * Clear the flag before adding the device so that fw_devlink
 		 * doesn't skip adding consumers to this device.
 		 */
-		rd->dn->fwnode.flags &= ~FWNODE_FLAG_NOT_DEVICE;
+		fwnode_clear_flag(&rd->dn->fwnode, FWNODE_FLAG_NOT_DEVICE);
 		client = of_i2c_register_device(adap, rd->dn);
 		if (IS_ERR(client)) {
 			dev_err(&adap->dev, "failed to create client for '%pOF'\n",
diff --git a/drivers/iio/adc/ad7768-1.c b/drivers/iio/adc/ad7768-1.c
index e147eaf1a3b1..0f1361bbafa3 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/adc/ti-ads7950.c b/drivers/iio/adc/ti-ads7950.c
index 263fc3a1b87e..8856d85db4bb 100644
--- a/drivers/iio/adc/ti-ads7950.c
+++ b/drivers/iio/adc/ti-ads7950.c
@@ -47,8 +47,6 @@
 #define TI_ADS7950_MAX_CHAN	16
 #define TI_ADS7950_NUM_GPIOS	4
 
-#define TI_ADS7950_TIMESTAMP_SIZE (sizeof(int64_t) / sizeof(__be16))
-
 /* val = value, dec = left shift, bits = number of bits of the mask */
 #define TI_ADS7950_EXTRACT(val, dec, bits) \
 	(((val) >> (dec)) & ((1 << (bits)) - 1))
@@ -105,8 +103,7 @@ struct ti_ads7950_state {
 	 * DMA (thus cache coherency maintenance) may require the
 	 * transfer buffers to live in their own cache lines.
 	 */
-	u16 rx_buf[TI_ADS7950_MAX_CHAN + 2 + TI_ADS7950_TIMESTAMP_SIZE]
-		__aligned(IIO_DMA_MINALIGN);
+	u16 rx_buf[TI_ADS7950_MAX_CHAN + 2] __aligned(IIO_DMA_MINALIGN);
 	u16 tx_buf[TI_ADS7950_MAX_CHAN + 2];
 	u16 single_tx;
 	u16 single_rx;
@@ -313,8 +310,10 @@ static irqreturn_t ti_ads7950_trigger_handler(int irq, void *p)
 	if (ret < 0)
 		goto out;
 
-	iio_push_to_buffers_with_timestamp(indio_dev, &st->rx_buf[2],
-					   iio_get_time_ns(indio_dev));
+	iio_push_to_buffers_with_ts_unaligned(indio_dev, &st->rx_buf[2],
+					      sizeof(*st->rx_buf) *
+					      TI_ADS7950_MAX_CHAN,
+					      iio_get_time_ns(indio_dev));
 
 out:
 	mutex_unlock(&st->slock);
diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c
index e95745710610..579fd879716d 100644
--- a/drivers/infiniband/core/addr.c
+++ b/drivers/infiniband/core/addr.c
@@ -321,11 +321,14 @@ 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/hw/hns/hns_roce_qp.c b/drivers/infiniband/hw/hns/hns_roce_qp.c
index 26784b296ffa..64516f898f80 100644
--- a/drivers/infiniband/hw/hns/hns_roce_qp.c
+++ b/drivers/infiniband/hw/hns/hns_roce_qp.c
@@ -1082,6 +1082,7 @@ 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);
@@ -1165,7 +1166,13 @@ 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/mana/qp.c b/drivers/infiniband/hw/mana/qp.c
index 4b3b5b274e84..8009a339bf9c 100644
--- a/drivers/infiniband/hw/mana/qp.c
+++ b/drivers/infiniband/hw/mana/qp.c
@@ -449,6 +449,21 @@ static int mana_ib_destroy_qp_rss(struct mana_ib_qp *qp,
 	ndev = mc->ports[qp->port - 1];
 	mpc = netdev_priv(ndev);
 
+	/* Disable vPort RX steering before destroying RX WQ objects.
+	 * Otherwise firmware still routes traffic to the destroyed queues,
+	 * which can cause bogus completions on reused CQ IDs when the
+	 * ethernet driver later creates new queues on mana_open().
+	 *
+	 * Unlike the ethernet teardown path, mana_fence_rqs() cannot be
+	 * used here because the fence completion CQE is delivered on the
+	 * CQ which is polled by userspace (e.g. DPDK), so there is no way
+	 * for the kernel to wait for fence completion.
+	 *
+	 * This is best effort — if it fails there is not much we can do,
+	 * and mana_cfg_vport_steering() already logs the error.
+	 */
+	mana_disable_vport_rx(mpc);
+
 	for (i = 0; i < (1 << ind_tbl->log_ind_tbl_size); i++) {
 		ibwq = ind_tbl->ind_tbl[i];
 		wq = container_of(ibwq, struct mana_ib_wq, ibwq);
diff --git a/drivers/infiniband/hw/mlx4/srq.c b/drivers/infiniband/hw/mlx4/srq.c
index c4cf91235eee..68e8b04c5388 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/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 0adb98b8dacc..5408ee2b33ec 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -2924,6 +2924,7 @@ int mlx5_ib_dev_res_srq_init(struct mlx5_ib_dev *dev)
 		ret = PTR_ERR(s1);
 		mlx5_ib_err(dev, "Couldn't create SRQ 1 for res init, err=%d\n", ret);
 		ib_destroy_srq(s0);
+		goto unlock;
 	}
 
 	devr->s0 = s0;
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
index c849fdbd4c99..c47ecb1c08bf 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
@@ -620,9 +620,9 @@ 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 9f54aa90a35a..dde1910dd8b1 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 5861e4244049..2d5e701ff961 100644
--- a/drivers/infiniband/sw/rxe/rxe_recv.c
+++ b/drivers/infiniband/sw/rxe/rxe_recv.c
@@ -330,7 +330,19 @@ 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/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c
index fa2b87c74929..70e9bf3a7042 100644
--- a/drivers/infiniband/sw/rxe/rxe_resp.c
+++ b/drivers/infiniband/sw/rxe/rxe_resp.c
@@ -536,7 +536,19 @@ static enum resp_states check_rkey(struct rxe_qp *qp,
 	}
 
 skip_check_range:
-	if (pkt->mask & (RXE_WRITE_MASK | RXE_ATOMIC_WRITE_MASK)) {
+	if (pkt->mask & RXE_ATOMIC_WRITE_MASK) {
+		/* IBA oA19-28: ATOMIC_WRITE payload is exactly 8 bytes.
+		 * Reject any other length before the responder reads
+		 * sizeof(u64) bytes from payload_addr(pkt); a shorter
+		 * payload would read past the logical end of the packet
+		 * into skb->head tailroom.
+		 */
+		if (resid != sizeof(u64) || pktlen != sizeof(u64) ||
+		    bth_pad(pkt)) {
+			state = RESPST_ERR_LENGTH;
+			goto err;
+		}
+	} else if (pkt->mask & RXE_WRITE_MASK) {
 		if (resid > mtu) {
 			if (pktlen != mtu || bth_pad(pkt)) {
 				state = RESPST_ERR_LENGTH;
diff --git a/drivers/iommu/amd/amd_iommu_types.h b/drivers/iommu/amd/amd_iommu_types.h
index d872054b874f..2571a782b7b6 100644
--- a/drivers/iommu/amd/amd_iommu_types.h
+++ b/drivers/iommu/amd/amd_iommu_types.h
@@ -765,7 +765,7 @@ struct amd_iommu {
 
 	u32 flags;
 	volatile u64 *cmd_sem;
-	atomic64_t cmd_sem_val;
+	u64 cmd_sem_val;
 
 #ifdef CONFIG_AMD_IOMMU_DEBUGFS
 	/* DebugFS Info */
diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c
index 6261bc7304e9..e5fee1aae587 100644
--- a/drivers/iommu/amd/init.c
+++ b/drivers/iommu/amd/init.c
@@ -1805,7 +1805,7 @@ static int __init init_iommu_one(struct amd_iommu *iommu, struct ivhd_header *h,
 	iommu->pci_seg = pci_seg;
 
 	raw_spin_lock_init(&iommu->lock);
-	atomic64_set(&iommu->cmd_sem_val, 0);
+	iommu->cmd_sem_val = 0;
 
 	/* Add IOMMU to internal data structures */
 	list_add_tail(&iommu->list, &amd_iommu_list);
diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c
index d119a104a343..48cf9e9e1597 100644
--- a/drivers/iommu/amd/iommu.c
+++ b/drivers/iommu/amd/iommu.c
@@ -1195,6 +1195,12 @@ static int iommu_queue_command(struct amd_iommu *iommu, struct iommu_cmd *cmd)
 	return iommu_queue_command_sync(iommu, cmd, true);
 }
 
+static u64 get_cmdsem_val(struct amd_iommu *iommu)
+{
+	lockdep_assert_held(&iommu->lock);
+	return ++iommu->cmd_sem_val;
+}
+
 /*
  * This function queues a completion wait command into the command
  * buffer of an IOMMU
@@ -1209,11 +1215,11 @@ static int iommu_completion_wait(struct amd_iommu *iommu)
 	if (!iommu->need_sync)
 		return 0;
 
-	data = atomic64_add_return(1, &iommu->cmd_sem_val);
-	build_completion_wait(&cmd, iommu, data);
-
 	raw_spin_lock_irqsave(&iommu->lock, flags);
 
+	data = get_cmdsem_val(iommu);
+	build_completion_wait(&cmd, iommu, data);
+
 	ret = __iommu_queue_command_sync(iommu, &cmd, false);
 	raw_spin_unlock_irqrestore(&iommu->lock, flags);
 
@@ -2877,10 +2883,11 @@ static void iommu_flush_irt_and_complete(struct amd_iommu *iommu, u16 devid)
 		return;
 
 	build_inv_irt(&cmd, devid);
-	data = atomic64_add_return(1, &iommu->cmd_sem_val);
-	build_completion_wait(&cmd2, iommu, data);
 
 	raw_spin_lock_irqsave(&iommu->lock, flags);
+	data = get_cmdsem_val(iommu);
+	build_completion_wait(&cmd2, iommu, data);
+
 	ret = __iommu_queue_command_sync(iommu, &cmd, true);
 	if (ret)
 		goto out_err;
@@ -2894,7 +2901,6 @@ static void iommu_flush_irt_and_complete(struct amd_iommu *iommu, u16 devid)
 
 out_err:
 	raw_spin_unlock_irqrestore(&iommu->lock, flags);
-	return;
 }
 
 static void set_dte_irq_entry(struct amd_iommu *iommu, u16 devid,
diff --git a/drivers/iommu/iommufd/io_pagetable.c b/drivers/iommu/iommufd/io_pagetable.c
index 6bd37343061e..d1300774cc2b 100644
--- a/drivers/iommu/iommufd/io_pagetable.c
+++ b/drivers/iommu/iommufd/io_pagetable.c
@@ -552,6 +552,16 @@ static int iopt_unmap_iova_range(struct io_pagetable *iopt, unsigned long start,
 		unmapped_bytes += area_last - area_first + 1;
 
 		down_write(&iopt->iova_rwsem);
+
+		/*
+		 * After releasing the iova_rwsem concurrent allocation could
+		 * place new areas at IOVAs we have already unmapped. Keep
+		 * moving the start of the search forward to ignore the area
+		 * already unmapped.
+		 */
+		if (area_last >= last)
+			break;
+		start = area_last + 1;
 	}
 
 out_unlock_iova:
diff --git a/drivers/leds/rgb/leds-qcom-lpg.c b/drivers/leds/rgb/leds-qcom-lpg.c
index 9843fe2e5f9e..d94c5dd91bdf 100644
--- a/drivers/leds/rgb/leds-qcom-lpg.c
+++ b/drivers/leds/rgb/leds-qcom-lpg.c
@@ -1043,7 +1043,12 @@ static int lpg_pwm_get_state(struct pwm_chip *chip, struct pwm_device *pwm,
 		return ret;
 
 	if (chan->subtype == LPG_SUBTYPE_HI_RES_PWM) {
-		refclk = lpg_clk_rates_hi_res[FIELD_GET(PWM_CLK_SELECT_HI_RES_MASK, val)];
+		unsigned int clk_idx = FIELD_GET(PWM_CLK_SELECT_HI_RES_MASK, val);
+
+		if (clk_idx >= ARRAY_SIZE(lpg_clk_rates_hi_res))
+			return -EINVAL;
+
+		refclk = lpg_clk_rates_hi_res[clk_idx];
 		resolution = lpg_pwm_resolution_hi_res[FIELD_GET(PWM_SIZE_HI_RES_MASK, val)];
 	} else {
 		refclk = lpg_clk_rates[FIELD_GET(PWM_CLK_SELECT_MASK, val)];
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index 5bb76aab7755..a9cde9fe8fa3 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -384,7 +384,7 @@ static void dm_hash_remove_all(bool keep_open_devices, bool mark_deferred, bool
 
 	up_write(&_hash_lock);
 
-	if (dev_skipped)
+	if (dev_skipped && !only_deferred)
 		DMWARN("remove_all left %d open device(s)", dev_skipped);
 }
 
@@ -1341,6 +1341,10 @@ 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-raid1.c b/drivers/md/dm-raid1.c
index 94b6c43dfa5c..93e3470a701c 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -993,13 +993,13 @@ 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 c9a5bbb6202f..5f646c4bb98a 100644
--- a/drivers/md/dm-verity-fec.c
+++ b/drivers/md/dm-verity-fec.c
@@ -688,7 +688,7 @@ 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)) {
@@ -751,7 +751,8 @@ 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;
@@ -769,8 +770,7 @@ 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/persistent-data/dm-btree-remove.c b/drivers/md/persistent-data/dm-btree-remove.c
index 942cd47eb52d..aeec5b9a1dd5 100644
--- a/drivers/md/persistent-data/dm-btree-remove.c
+++ b/drivers/md/persistent-data/dm-btree-remove.c
@@ -490,12 +490,20 @@ 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 6bcf6852c200..fd03c01bcf25 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1204,7 +1204,7 @@ 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;
 	}
 
@@ -1425,7 +1425,7 @@ 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;
 	}
 
@@ -3986,6 +3986,8 @@ 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 53f3718c01eb..eac024485791 100644
--- a/drivers/md/raid5-cache.c
+++ b/drivers/md/raid5-cache.c
@@ -2010,15 +2010,27 @@ 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)
@@ -2031,22 +2043,18 @@ 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);
@@ -2097,6 +2105,7 @@ 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;
@@ -2105,6 +2114,12 @@ 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]);
@@ -2118,12 +2133,17 @@ 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,
@@ -2188,9 +2208,7 @@ 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 aad2b8c0c541..6eb94e466f90 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -6691,7 +6691,13 @@ 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/common/videobuf2/videobuf2-dma-sg.c b/drivers/media/common/videobuf2/videobuf2-dma-sg.c
index a5aa6a2a028c..94239f914120 100644
--- a/drivers/media/common/videobuf2/videobuf2-dma-sg.c
+++ b/drivers/media/common/videobuf2/videobuf2-dma-sg.c
@@ -345,6 +345,7 @@ static int vb2_dma_sg_mmap(void *buf_priv, struct vm_area_struct *vma)
 		return err;
 	}
 
+	vm_flags_set(vma, VM_DONTEXPAND | VM_DONTDUMP);
 	/*
 	 * Use common vm_area operations to track buffer refcount.
 	 */
diff --git a/drivers/media/dvb-frontends/dib8000.c b/drivers/media/dvb-frontends/dib8000.c
index cfe59c3255f7..a2e63296be5d 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 a3d5a8a7c660..03cbacd77a80 100644
--- a/drivers/media/i2c/imx219.c
+++ b/drivers/media/i2c/imx219.c
@@ -1274,6 +1274,9 @@ 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 90fc8eea171f..63c1a727d5be 100644
--- a/drivers/media/i2c/imx412.c
+++ b/drivers/media/i2c/imx412.c
@@ -934,7 +934,7 @@ 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/ov08d10.c b/drivers/media/i2c/ov08d10.c
index 7d55d4ca24de..e265cc78542e 100644
--- a/drivers/media/i2c/ov08d10.c
+++ b/drivers/media/i2c/ov08d10.c
@@ -217,7 +217,7 @@ static const struct ov08d10_reg lane_2_mode_3280x2460[] = {
 	{0x9a, 0x30},
 	{0xa8, 0x02},
 	{0xfd, 0x02},
-	{0xa1, 0x01},
+	{0xa1, 0x00},
 	{0xa2, 0x09},
 	{0xa3, 0x9c},
 	{0xa5, 0x00},
@@ -335,7 +335,7 @@ static const struct ov08d10_reg lane_2_mode_3264x2448[] = {
 	{0x9a, 0x30},
 	{0xa8, 0x02},
 	{0xfd, 0x02},
-	{0xa1, 0x09},
+	{0xa1, 0x08},
 	{0xa2, 0x09},
 	{0xa3, 0x90},
 	{0xa5, 0x08},
@@ -467,7 +467,7 @@ static const struct ov08d10_reg lane_2_mode_1632x1224[] = {
 	{0xaa, 0xd0},
 	{0xab, 0x06},
 	{0xac, 0x68},
-	{0xa1, 0x09},
+	{0xa1, 0x04},
 	{0xa2, 0x04},
 	{0xa3, 0xc8},
 	{0xa5, 0x04},
@@ -615,8 +615,8 @@ static const struct ov08d10_lane_cfg lane_cfg_2 = {
 static u32 ov08d10_get_format_code(struct ov08d10 *ov08d10)
 {
 	static const u32 codes[2][2] = {
-		{ MEDIA_BUS_FMT_SGRBG10_1X10, MEDIA_BUS_FMT_SRGGB10_1X10},
-		{ MEDIA_BUS_FMT_SBGGR10_1X10, MEDIA_BUS_FMT_SGBRG10_1X10},
+		{ MEDIA_BUS_FMT_SBGGR10_1X10, MEDIA_BUS_FMT_SGBRG10_1X10 },
+		{ MEDIA_BUS_FMT_SGRBG10_1X10, MEDIA_BUS_FMT_SRGGB10_1X10 },
 	};
 
 	return codes[ov08d10->vflip->val][ov08d10->hflip->val];
diff --git a/drivers/media/i2c/ov8856.c b/drivers/media/i2c/ov8856.c
index 8c93fe6285f8..91981437c572 100644
--- a/drivers/media/i2c/ov8856.c
+++ b/drivers/media/i2c/ov8856.c
@@ -1954,12 +1954,18 @@ 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(struct ov8856 *ov8856,
diff --git a/drivers/media/pci/saa7164/saa7164-core.c b/drivers/media/pci/saa7164/saa7164-core.c
index a8a004f28ca0..ac290f546413 100644
--- a/drivers/media/pci/saa7164/saa7164-core.c
+++ b/drivers/media/pci/saa7164/saa7164-core.c
@@ -888,6 +888,15 @@ static int get_resources(struct saa7164_dev *dev)
 	return -EBUSY;
 }
 
+static void release_resources(struct saa7164_dev *dev)
+{
+	release_mem_region(pci_resource_start(dev->pci, 0),
+			   pci_resource_len(dev->pci, 0));
+
+	release_mem_region(pci_resource_start(dev->pci, 2),
+			   pci_resource_len(dev->pci, 2));
+}
+
 static int saa7164_port_init(struct saa7164_dev *dev, int portnr)
 {
 	struct saa7164_port *port = NULL;
@@ -947,9 +956,9 @@ static int saa7164_dev_setup(struct saa7164_dev *dev)
 
 	snprintf(dev->name, sizeof(dev->name), "saa7164[%d]", dev->nr);
 
-	mutex_lock(&devlist);
-	list_add_tail(&dev->devlist, &saa7164_devlist);
-	mutex_unlock(&devlist);
+	scoped_guard(mutex, &devlist) {
+		list_add_tail(&dev->devlist, &saa7164_devlist);
+	}
 
 	/* board config */
 	dev->board = UNSET;
@@ -996,11 +1005,17 @@ static int saa7164_dev_setup(struct saa7164_dev *dev)
 	}
 
 	/* PCI/e allocations */
-	dev->lmmio = ioremap(pci_resource_start(dev->pci, 0),
-			     pci_resource_len(dev->pci, 0));
+	dev->lmmio = pci_ioremap_bar(dev->pci, 0);
+	if (!dev->lmmio) {
+		dev_err(&dev->pci->dev, "Failed to remap MMIO BAR 0\n");
+		goto err_ioremap_bar0;
+	}
 
-	dev->lmmio2 = ioremap(pci_resource_start(dev->pci, 2),
-			     pci_resource_len(dev->pci, 2));
+	dev->lmmio2 = pci_ioremap_bar(dev->pci, 2);
+	if (!dev->lmmio2) {
+		dev_err(&dev->pci->dev, "Failed to remap MMIO BAR 2\n");
+		goto err_ioremap_bar2;
+	}
 
 	dev->bmmio = (u8 __iomem *)dev->lmmio;
 	dev->bmmio2 = (u8 __iomem *)dev->lmmio2;
@@ -1019,17 +1034,25 @@ static int saa7164_dev_setup(struct saa7164_dev *dev)
 	saa7164_pci_quirks(dev);
 
 	return 0;
+
+err_ioremap_bar2:
+	iounmap(dev->lmmio);
+err_ioremap_bar0:
+	release_resources(dev);
+
+	scoped_guard(mutex, &devlist) {
+		list_del(&dev->devlist);
+	}
+	saa7164_devcount--;
+
+	return -ENODEV;
 }
 
 static void saa7164_dev_unregister(struct saa7164_dev *dev)
 {
 	dprintk(1, "%s()\n", __func__);
 
-	release_mem_region(pci_resource_start(dev->pci, 0),
-		pci_resource_len(dev->pci, 0));
-
-	release_mem_region(pci_resource_start(dev->pci, 2),
-		pci_resource_len(dev->pci, 2));
+	release_resources(dev);
 
 	if (!atomic_dec_and_test(&dev->refcount))
 		return;
diff --git a/drivers/media/pci/zoran/zoran_card.c b/drivers/media/pci/zoran/zoran_card.c
index 3975fc1b2ee3..38a083ffe6c3 100644
--- a/drivers/media/pci/zoran/zoran_card.c
+++ b/drivers/media/pci/zoran/zoran_card.c
@@ -1377,7 +1377,7 @@ static int zoran_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		}
 		if (zr->codec->type != zr->card.video_codec) {
 			pci_err(pdev, "%s - wrong codec\n", __func__);
-			goto zr_unreg_videocodec;
+			goto zr_detach_codec;
 		}
 	}
 	if (zr->card.video_vfe != 0) {
diff --git a/drivers/media/platform/amphion/vpu_v4l2.c b/drivers/media/platform/amphion/vpu_v4l2.c
index 27c99f5c5b71..8ce105847501 100644
--- a/drivers/media/platform/amphion/vpu_v4l2.c
+++ b/drivers/media/platform/amphion/vpu_v4l2.c
@@ -441,17 +441,14 @@ static void vpu_m2m_device_run(void *priv)
 {
 }
 
-static void vpu_m2m_job_abort(void *priv)
+static int vpu_m2m_job_ready(void *priv)
 {
-	struct vpu_inst *inst = priv;
-	struct v4l2_m2m_ctx *m2m_ctx = inst->fh.m2m_ctx;
-
-	v4l2_m2m_job_finish(m2m_ctx->m2m_dev, m2m_ctx);
+	return 0;
 }
 
 static const struct v4l2_m2m_ops vpu_m2m_ops = {
 	.device_run = vpu_m2m_device_run,
-	.job_abort = vpu_m2m_job_abort
+	.job_ready = vpu_m2m_job_ready,
 };
 
 static int vpu_vb2_queue_setup(struct vb2_queue *vq,
diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c
index 4c7b46f5a7dd..5c513916cf72 100644
--- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c
+++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c
@@ -1214,6 +1214,7 @@ static int mtk_jpeg_release(struct file *file)
 	struct mtk_jpeg_dev *jpeg = video_drvdata(file);
 	struct mtk_jpeg_ctx *ctx = mtk_jpeg_fh_to_ctx(file->private_data);
 
+	cancel_work_sync(&ctx->jpeg_work);
 	mutex_lock(&jpeg->lock);
 	v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
 	v4l2_ctrl_handler_free(&ctx->ctrl_hdl);
diff --git a/drivers/media/platform/ti/omap3isp/ispvideo.c b/drivers/media/platform/ti/omap3isp/ispvideo.c
index b9e0b6215fa0..ef369d486141 100644
--- a/drivers/media/platform/ti/omap3isp/ispvideo.c
+++ b/drivers/media/platform/ti/omap3isp/ispvideo.c
@@ -1324,6 +1324,7 @@ static int isp_video_open(struct file *file)
 
 	ret = vb2_queue_init(&handle->queue);
 	if (ret < 0) {
+		v4l2_pipeline_pm_put(&video->video.entity);
 		omap3isp_put(video->isp);
 		goto done;
 	}
diff --git a/drivers/media/rc/igorplugusb.c b/drivers/media/rc/igorplugusb.c
index 1464ef9c55bc..f3616607d4f5 100644
--- a/drivers/media/rc/igorplugusb.c
+++ b/drivers/media/rc/igorplugusb.c
@@ -34,7 +34,7 @@ struct igorplugusb {
 	struct device *dev;
 
 	struct urb *urb;
-	struct usb_ctrlrequest request;
+	struct usb_ctrlrequest *request;
 
 	struct timer_list timer;
 
@@ -122,7 +122,7 @@ static void igorplugusb_cmd(struct igorplugusb *ir, int cmd)
 {
 	int ret;
 
-	ir->request.bRequest = cmd;
+	ir->request->bRequest = cmd;
 	ir->urb->transfer_flags = 0;
 	ret = usb_submit_urb(ir->urb, GFP_ATOMIC);
 	if (ret && ret != -EPERM)
@@ -164,13 +164,17 @@ static int igorplugusb_probe(struct usb_interface *intf,
 	if (!ir)
 		return -ENOMEM;
 
+	ir->request = kzalloc(sizeof(*ir->request), GFP_KERNEL);
+	if (!ir->request)
+		goto fail;
+
 	ir->dev = &intf->dev;
 
 	timer_setup(&ir->timer, igorplugusb_timer, 0);
 
-	ir->request.bRequest = GET_INFRACODE;
-	ir->request.bRequestType = USB_TYPE_VENDOR | USB_DIR_IN;
-	ir->request.wLength = cpu_to_le16(MAX_PACKET);
+	ir->request->bRequest = GET_INFRACODE;
+	ir->request->bRequestType = USB_TYPE_VENDOR | USB_DIR_IN;
+	ir->request->wLength = cpu_to_le16(MAX_PACKET);
 
 	ir->urb = usb_alloc_urb(0, GFP_KERNEL);
 	if (!ir->urb)
@@ -228,6 +232,7 @@ static int igorplugusb_probe(struct usb_interface *intf,
 	usb_free_urb(ir->urb);
 	rc_free_device(ir->rc);
 	kfree(ir->buf_in);
+	kfree(ir->request);
 
 	return ret;
 }
@@ -243,6 +248,7 @@ static void igorplugusb_disconnect(struct usb_interface *intf)
 	usb_unpoison_urb(ir->urb);
 	usb_free_urb(ir->urb);
 	kfree(ir->buf_in);
+	kfree(ir->request);
 }
 
 static const struct usb_device_id igorplugusb_table[] = {
diff --git a/drivers/media/rc/streamzap.c b/drivers/media/rc/streamzap.c
index d3b48a0dd1f4..8e9b156e4300 100644
--- a/drivers/media/rc/streamzap.c
+++ b/drivers/media/rc/streamzap.c
@@ -219,9 +219,8 @@ 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;
@@ -358,11 +357,16 @@ 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/ttusbir.c b/drivers/media/rc/ttusbir.c
index 560a26f3965c..dde446a95eaa 100644
--- a/drivers/media/rc/ttusbir.c
+++ b/drivers/media/rc/ttusbir.c
@@ -32,7 +32,7 @@ struct ttusbir {
 
 	struct led_classdev led;
 	struct urb *bulk_urb;
-	uint8_t bulk_buffer[5];
+	u8 *bulk_buffer;
 	int bulk_out_endp, iso_in_endp;
 	bool led_on, is_led_on;
 	atomic_t led_complete;
@@ -186,13 +186,16 @@ static int ttusbir_probe(struct usb_interface *intf,
 	struct rc_dev *rc;
 	int i, j, ret;
 	int altsetting = -1;
+	u8 *buffer;
 
 	tt = kzalloc(sizeof(*tt), GFP_KERNEL);
+	buffer = kzalloc(5, GFP_KERNEL);
 	rc = rc_allocate_device(RC_DRIVER_IR_RAW);
-	if (!tt || !rc) {
+	if (!tt || !rc || buffer) {
 		ret = -ENOMEM;
 		goto out;
 	}
+	tt->bulk_buffer = buffer;
 
 	/* find the correct alt setting */
 	for (i = 0; i < intf->num_altsetting && altsetting == -1; i++) {
@@ -281,8 +284,8 @@ static int ttusbir_probe(struct usb_interface *intf,
 	tt->bulk_buffer[3] = 0x01;
 
 	usb_fill_bulk_urb(tt->bulk_urb, tt->udev, usb_sndbulkpipe(tt->udev,
-		tt->bulk_out_endp), tt->bulk_buffer, sizeof(tt->bulk_buffer),
-						ttusbir_bulk_complete, tt);
+			  tt->bulk_out_endp), tt->bulk_buffer, 5,
+			  ttusbir_bulk_complete, tt);
 
 	tt->led.name = "ttusbir:green:power";
 	tt->led.default_trigger = "rc-feedback";
@@ -351,6 +354,7 @@ static int ttusbir_probe(struct usb_interface *intf,
 		kfree(tt);
 	}
 	rc_free_device(rc);
+	kfree(buffer);
 
 	return ret;
 }
@@ -373,6 +377,7 @@ static void ttusbir_disconnect(struct usb_interface *intf)
 	}
 	usb_kill_urb(tt->bulk_urb);
 	usb_free_urb(tt->bulk_urb);
+	kfree(tt->bulk_buffer);
 	usb_set_intfdata(intf, NULL);
 	kfree(tt);
 }
diff --git a/drivers/media/rc/xbox_remote.c b/drivers/media/rc/xbox_remote.c
index a1572381d097..0c9c855ced72 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];
@@ -218,6 +218,10 @@ 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)
@@ -262,6 +266,8 @@ static int xbox_remote_probe(struct usb_interface *interface,
 	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);
@@ -286,6 +292,7 @@ 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/usb/uvc/uvc_queue.c b/drivers/media/usb/uvc/uvc_queue.c
index 83ed7821fa2a..ac108330cdad 100644
--- a/drivers/media/usb/uvc/uvc_queue.c
+++ b/drivers/media/usb/uvc/uvc_queue.c
@@ -218,7 +218,7 @@ 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;
@@ -231,7 +231,6 @@ 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/mfd/stpmic1.c b/drivers/mfd/stpmic1.c
index c5128fe96cc7..27497f0db5cc 100644
--- a/drivers/mfd/stpmic1.c
+++ b/drivers/mfd/stpmic1.c
@@ -16,6 +16,8 @@
 
 #include <dt-bindings/mfd/st,stpmic1.h>
 
+#define STPMIC1_MAX_RETRIES 2
+
 #define STPMIC1_MAIN_IRQ 0
 
 static const struct regmap_range stpmic1_readable_ranges[] = {
@@ -121,9 +123,23 @@ static const struct regmap_irq_chip stpmic1_regmap_irq_chip = {
 static int stpmic1_power_off(struct sys_off_data *data)
 {
 	struct stpmic1 *ddata = data->cb_data;
+	int ret;
 
-	regmap_update_bits(ddata->regmap, MAIN_CR,
-			   SOFTWARE_SWITCH_OFF, SOFTWARE_SWITCH_OFF);
+	/*
+	 * Attempt to shut down again, in case the first attempt failed.
+	 * The STPMIC1 might get confused and the first regmap_update_bits()
+	 * returns with -ETIMEDOUT / -110 . If that or similar transient
+	 * failure occurs, try to shut down again. If the second attempt
+	 * fails, there is some bigger problem, report it to user.
+	 */
+	for (int retries = 0; retries < STPMIC1_MAX_RETRIES; retries++) {
+		ret = regmap_update_bits(ddata->regmap, MAIN_CR, SOFTWARE_SWITCH_OFF,
+					 SOFTWARE_SWITCH_OFF);
+		if (!ret)
+			return NOTIFY_DONE;
+	}
+
+	dev_err(ddata->dev, "Failed to access PMIC I2C bus (%d)\n", ret);
 
 	return NOTIFY_DONE;
 }
diff --git a/drivers/misc/ibmasm/ibmasmfs.c b/drivers/misc/ibmasm/ibmasmfs.c
index 5867af9f592c..93dba0d79b5a 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 6922dc6c10db..5313230f36ad 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 ec816d3b38cb..521531738c9a 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 3564a0f63c9c..f53f0bf4ae60 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -1378,6 +1378,9 @@ 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);
@@ -1517,10 +1520,13 @@ 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);
@@ -2058,6 +2064,8 @@ 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/card.h b/drivers/mmc/core/card.h
index fe0b2fa3bb89..4af43f9f1476 100644
--- a/drivers/mmc/core/card.h
+++ b/drivers/mmc/core/card.h
@@ -297,4 +297,9 @@ static inline int mmc_card_no_uhs_ddr50_tuning(const struct mmc_card *c)
 	return c->quirks & MMC_QUIRK_NO_UHS_DDR50_TUNING;
 }
 
+static inline int mmc_card_fixed_secure_erase_trim_time(const struct mmc_card *c)
+{
+	return c->quirks & MMC_QUIRK_FIXED_SECURE_ERASE_TRIM_TIME;
+}
+
 #endif
diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c
index b396e3900717..9eed7562e267 100644
--- a/drivers/mmc/core/queue.c
+++ b/drivers/mmc/core/queue.c
@@ -188,8 +188,12 @@ static void mmc_queue_setup_discard(struct request_queue *q,
 	/* granularity must not be greater than max. discard */
 	if (card->pref_erase > max_discard)
 		q->limits.discard_granularity = SECTOR_SIZE;
-	if (mmc_can_secure_erase_trim(card))
-		blk_queue_max_secure_erase_sectors(q, max_discard);
+	if (mmc_can_secure_erase_trim(card)) {
+		if (mmc_card_fixed_secure_erase_trim_time(card))
+			blk_queue_max_secure_erase_sectors(q, UINT_MAX >> card->erase_shift);
+		else
+			blk_queue_max_secure_erase_sectors(q, max_discard);
+	}
 	if (mmc_can_trim(card) && card->erased_byte == 0)
 		blk_queue_max_write_zeroes_sectors(q, max_discard);
 }
diff --git a/drivers/mmc/core/queue.h b/drivers/mmc/core/queue.h
index 9ade3bcbb714..c30e4065c9ba 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/mmc/core/quirks.h b/drivers/mmc/core/quirks.h
index c417ed34c057..1f7406c0ab03 100644
--- a/drivers/mmc/core/quirks.h
+++ b/drivers/mmc/core/quirks.h
@@ -153,6 +153,15 @@ static const struct mmc_fixup __maybe_unused mmc_blk_fixups[] = {
 	MMC_FIXUP("M62704", CID_MANFID_KINGSTON, 0x0100, add_quirk_mmc,
 		  MMC_QUIRK_TRIM_BROKEN),
 
+	/*
+	 * On Some Kingston eMMCs, secure erase/trim time is independent
+	 * of erase size, fixed at approximately 2 seconds.
+	 */
+	MMC_FIXUP("IY2964", CID_MANFID_KINGSTON, 0x0100, add_quirk_mmc,
+		  MMC_QUIRK_FIXED_SECURE_ERASE_TRIM_TIME),
+	MMC_FIXUP("IB2932", CID_MANFID_KINGSTON, 0x0100, add_quirk_mmc,
+		  MMC_QUIRK_FIXED_SECURE_ERASE_TRIM_TIME),
+
 	END_FIXUP
 };
 
diff --git a/drivers/mmc/host/sdhci-of-dwcmshc.c b/drivers/mmc/host/sdhci-of-dwcmshc.c
index def7997f340a..99a618884df5 100644
--- a/drivers/mmc/host/sdhci-of-dwcmshc.c
+++ b/drivers/mmc/host/sdhci-of-dwcmshc.c
@@ -243,12 +243,15 @@ static void dwcmshc_rk3568_set_clock(struct sdhci_host *host, unsigned int clock
 	extra &= ~BIT(0);
 	sdhci_writel(host, extra, reg);
 
+	/* Disable clock while config DLL */
+	sdhci_writew(host, 0, SDHCI_CLOCK_CONTROL);
+
 	if (clock <= 52000000) {
 		if (host->mmc->ios.timing == MMC_TIMING_MMC_HS200 ||
 		    host->mmc->ios.timing == MMC_TIMING_MMC_HS400) {
 			dev_err(mmc_dev(host->mmc),
 				"Can't reduce the clock below 52MHz in HS200/HS400 mode");
-			return;
+			goto enable_clk;
 		}
 
 		/*
@@ -268,7 +271,7 @@ static void dwcmshc_rk3568_set_clock(struct sdhci_host *host, unsigned int clock
 			DLL_STRBIN_DELAY_NUM_SEL |
 			DLL_STRBIN_DELAY_NUM_DEFAULT << DLL_STRBIN_DELAY_NUM_OFFSET;
 		sdhci_writel(host, extra, DWCMSHC_EMMC_DLL_STRBIN);
-		return;
+		goto enable_clk;
 	}
 
 	/* Reset DLL */
@@ -295,7 +298,7 @@ static void dwcmshc_rk3568_set_clock(struct sdhci_host *host, unsigned int clock
 				 500 * USEC_PER_MSEC);
 	if (err) {
 		dev_err(mmc_dev(host->mmc), "DLL lock timeout!\n");
-		return;
+		goto enable_clk;
 	}
 
 	extra = 0x1 << 16 | /* tune clock stop en */
@@ -328,6 +331,16 @@ static void dwcmshc_rk3568_set_clock(struct sdhci_host *host, unsigned int clock
 		DLL_STRBIN_TAPNUM_DEFAULT |
 		DLL_STRBIN_TAPNUM_FROM_SW;
 	sdhci_writel(host, extra, DWCMSHC_EMMC_DLL_STRBIN);
+
+enable_clk:
+	/*
+	 * The sdclk frequency select bits in SDHCI_CLOCK_CONTROL are not functional
+	 * on Rockchip's SDHCI implementation. Instead, the clock frequency is fully
+	 * controlled via external clk provider by calling clk_set_rate(). Consequently,
+	 * passing 0 to sdhci_enable_clk() only re-enables the already-configured clock,
+	 * which matches the hardware's actual behavior.
+	 */
+	sdhci_enable_clk(host, 0);
 }
 
 static void rk35xx_sdhci_reset(struct sdhci_host *host, u8 mask)
diff --git a/drivers/mtd/devices/docg3.c b/drivers/mtd/devices/docg3.c
index 22e73dd6118b..e37fb1155647 100644
--- a/drivers/mtd/devices/docg3.c
+++ b/drivers/mtd/devices/docg3.c
@@ -2046,10 +2046,9 @@ static int __init docg3_probe(struct platform_device *pdev)
  *
  * 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);
@@ -2057,8 +2056,7 @@ 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
@@ -2076,7 +2074,7 @@ 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/spi-nor/debugfs.c b/drivers/mtd/spi-nor/debugfs.c
index 6e163cb5b478..2f6098e47119 100644
--- a/drivers/mtd/spi-nor/debugfs.c
+++ b/drivers/mtd/spi-nor/debugfs.c
@@ -1,5 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 
+#include <linux/array_size.h>
 #include <linux/debugfs.h>
 #include <linux/mtd/spi-nor.h>
 #include <linux/spi/spi.h>
@@ -92,7 +93,8 @@ static int spi_nor_params_show(struct seq_file *s, void *data)
 	seq_printf(s, "address nbytes\t%u\n", nor->addr_nbytes);
 
 	seq_puts(s, "flags\t\t");
-	spi_nor_print_flags(s, nor->flags, snor_f_names, sizeof(snor_f_names));
+	spi_nor_print_flags(s, nor->flags, snor_f_names,
+			    ARRAY_SIZE(snor_f_names));
 	seq_puts(s, "\n");
 
 	seq_puts(s, "\nopcodes\n");
diff --git a/drivers/mtd/spi-nor/sst.c b/drivers/mtd/spi-nor/sst.c
index 197d2c1101ed..eb3f95231cd0 100644
--- a/drivers/mtd/spi-nor/sst.c
+++ b/drivers/mtd/spi-nor/sst.c
@@ -123,6 +123,21 @@ static const struct flash_info sst_nor_parts[] = {
 		.fixups = &sst26vf_nor_fixups },
 };
 
+static int sst_nor_write_data(struct spi_nor *nor, loff_t to, size_t len,
+			      const u_char *buf)
+{
+	u8 op = (len == 1) ? SPINOR_OP_BP : SPINOR_OP_AAI_WP;
+	int ret;
+
+	nor->program_opcode = op;
+	ret = spi_nor_write_data(nor, to, len, buf);
+	if (ret < 0)
+		return ret;
+	WARN(ret != len, "While writing %zu byte written %i bytes\n", len, ret);
+
+	return spi_nor_wait_till_ready(nor);
+}
+
 static int sst_nor_write(struct mtd_info *mtd, loff_t to, size_t len,
 			 size_t *retlen, const u_char *buf)
 {
@@ -144,33 +159,35 @@ static int sst_nor_write(struct mtd_info *mtd, loff_t to, size_t len,
 
 	/* Start write from odd address. */
 	if (to % 2) {
-		nor->program_opcode = SPINOR_OP_BP;
+		bool needs_write_enable = (len > 1);
 
 		/* write one byte. */
-		ret = spi_nor_write_data(nor, to, 1, buf);
+		ret = sst_nor_write_data(nor, to, 1, buf);
 		if (ret < 0)
 			goto out;
-		WARN(ret != 1, "While writing 1 byte written %i bytes\n", ret);
-		ret = spi_nor_wait_till_ready(nor);
-		if (ret)
-			goto out;
 
 		to++;
 		actual++;
+
+		/*
+		 * Byte program clears the write enable latch. If more
+		 * data needs to be written using the AAI sequence,
+		 * re-enable writes.
+		 */
+		if (needs_write_enable) {
+			ret = spi_nor_write_enable(nor);
+			if (ret)
+				goto out;
+		}
 	}
 
 	/* Write out most of the data here. */
 	for (; actual < len - 1; actual += 2) {
-		nor->program_opcode = SPINOR_OP_AAI_WP;
-
 		/* write two bytes. */
-		ret = spi_nor_write_data(nor, to, 2, buf + actual);
+		ret = sst_nor_write_data(nor, to, 2, buf + actual);
 		if (ret < 0)
 			goto out;
-		WARN(ret != 2, "While writing 2 bytes written %i bytes\n", ret);
-		ret = spi_nor_wait_till_ready(nor);
-		if (ret)
-			goto out;
+
 		to += 2;
 		nor->sst_write_second = true;
 	}
@@ -190,14 +207,9 @@ static int sst_nor_write(struct mtd_info *mtd, loff_t to, size_t len,
 		if (ret)
 			goto out;
 
-		nor->program_opcode = SPINOR_OP_BP;
-		ret = spi_nor_write_data(nor, to, 1, buf + actual);
+		ret = sst_nor_write_data(nor, to, 1, buf + actual);
 		if (ret < 0)
 			goto out;
-		WARN(ret != 1, "While writing 1 byte written %i bytes\n", ret);
-		ret = spi_nor_wait_till_ready(nor);
-		if (ret)
-			goto out;
 
 		actual += 1;
 
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 114ebaa284da..8d481a6495e8 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -2309,9 +2309,6 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev,
 		unblock_netpoll_tx();
 	}
 
-	if (bond_mode_can_use_xmit_hash(bond))
-		bond_update_slave_arr(bond, NULL);
-
 	if (!slave_dev->netdev_ops->ndo_bpf ||
 	    !slave_dev->netdev_ops->ndo_xdp_xmit) {
 		if (bond->xdp_prog) {
@@ -2345,6 +2342,9 @@ int bond_enslave(struct net_device *bond_dev, struct net_device *slave_dev,
 			bpf_prog_inc(bond->xdp_prog);
 	}
 
+	if (bond_mode_can_use_xmit_hash(bond))
+		bond_update_slave_arr(bond, NULL);
+
 	bond_xdp_set_features(bond_dev);
 
 	slave_info(bond_dev, slave_dev, "Enslaving as %s interface with %s link\n",
diff --git a/drivers/net/can/usb/ucan.c b/drivers/net/can/usb/ucan.c
index 6c90b4a7d955..c3ebb648d8b0 100644
--- a/drivers/net/can/usb/ucan.c
+++ b/drivers/net/can/usb/ucan.c
@@ -1399,7 +1399,7 @@ static int ucan_probe(struct usb_interface *intf,
 	 */
 
 	/* Prepare Memory for control transfers */
-	ctl_msg_buffer = devm_kzalloc(&udev->dev,
+	ctl_msg_buffer = devm_kzalloc(&intf->dev,
 				      sizeof(union ucan_ctl_payload),
 				      GFP_KERNEL);
 	if (!ctl_msg_buffer) {
diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c
index a332a0e3154a..be12eaf080e9 100644
--- a/drivers/net/ethernet/ibm/ibmveth.c
+++ b/drivers/net/ethernet/ibm/ibmveth.c
@@ -1630,6 +1630,27 @@ 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,
@@ -1641,6 +1662,7 @@ 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 8468e2c59d7a..bc1c1bb83c40 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/micrel/ks8851.h b/drivers/net/ethernet/micrel/ks8851.h
index 31f75b4a67fd..b795a3a60571 100644
--- a/drivers/net/ethernet/micrel/ks8851.h
+++ b/drivers/net/ethernet/micrel/ks8851.h
@@ -408,10 +408,8 @@ struct ks8851_net {
 	struct gpio_desc	*gpio;
 	struct mii_bus		*mii_bus;
 
-	void			(*lock)(struct ks8851_net *ks,
-					unsigned long *flags);
-	void			(*unlock)(struct ks8851_net *ks,
-					  unsigned long *flags);
+	void			(*lock)(struct ks8851_net *ks);
+	void			(*unlock)(struct ks8851_net *ks);
 	unsigned int		(*rdreg16)(struct ks8851_net *ks,
 					   unsigned int reg);
 	void			(*wrreg16)(struct ks8851_net *ks,
diff --git a/drivers/net/ethernet/micrel/ks8851_common.c b/drivers/net/ethernet/micrel/ks8851_common.c
index 7fa1820db9cc..b1e9d1495c01 100644
--- a/drivers/net/ethernet/micrel/ks8851_common.c
+++ b/drivers/net/ethernet/micrel/ks8851_common.c
@@ -28,25 +28,23 @@
 /**
  * ks8851_lock - register access lock
  * @ks: The chip state
- * @flags: Spinlock flags
  *
  * Claim chip register access lock
  */
-static void ks8851_lock(struct ks8851_net *ks, unsigned long *flags)
+static void ks8851_lock(struct ks8851_net *ks)
 {
-	ks->lock(ks, flags);
+	ks->lock(ks);
 }
 
 /**
  * ks8851_unlock - register access unlock
  * @ks: The chip state
- * @flags: Spinlock flags
  *
  * Release chip register access lock
  */
-static void ks8851_unlock(struct ks8851_net *ks, unsigned long *flags)
+static void ks8851_unlock(struct ks8851_net *ks)
 {
-	ks->unlock(ks, flags);
+	ks->unlock(ks);
 }
 
 /**
@@ -129,11 +127,10 @@ static void ks8851_set_powermode(struct ks8851_net *ks, unsigned pwrmode)
 static int ks8851_write_mac_addr(struct net_device *dev)
 {
 	struct ks8851_net *ks = netdev_priv(dev);
-	unsigned long flags;
 	u16 val;
 	int i;
 
-	ks8851_lock(ks, &flags);
+	ks8851_lock(ks);
 
 	/*
 	 * Wake up chip in case it was powered off when stopped; otherwise,
@@ -149,7 +146,7 @@ static int ks8851_write_mac_addr(struct net_device *dev)
 	if (!netif_running(dev))
 		ks8851_set_powermode(ks, PMECR_PM_SOFTDOWN);
 
-	ks8851_unlock(ks, &flags);
+	ks8851_unlock(ks);
 
 	return 0;
 }
@@ -163,12 +160,11 @@ static int ks8851_write_mac_addr(struct net_device *dev)
 static void ks8851_read_mac_addr(struct net_device *dev)
 {
 	struct ks8851_net *ks = netdev_priv(dev);
-	unsigned long flags;
 	u8 addr[ETH_ALEN];
 	u16 reg;
 	int i;
 
-	ks8851_lock(ks, &flags);
+	ks8851_lock(ks);
 
 	for (i = 0; i < ETH_ALEN; i += 2) {
 		reg = ks8851_rdreg16(ks, KS_MAR(i));
@@ -177,7 +173,7 @@ static void ks8851_read_mac_addr(struct net_device *dev)
 	}
 	eth_hw_addr_set(dev, addr);
 
-	ks8851_unlock(ks, &flags);
+	ks8851_unlock(ks);
 }
 
 /**
@@ -328,11 +324,10 @@ static irqreturn_t ks8851_irq(int irq, void *_ks)
 {
 	struct ks8851_net *ks = _ks;
 	struct sk_buff_head rxq;
-	unsigned long flags;
 	unsigned int status;
 	struct sk_buff *skb;
 
-	ks8851_lock(ks, &flags);
+	ks8851_lock(ks);
 
 	status = ks8851_rdreg16(ks, KS_ISR);
 	ks8851_wrreg16(ks, KS_ISR, status);
@@ -389,14 +384,17 @@ static irqreturn_t ks8851_irq(int irq, void *_ks)
 		ks8851_wrreg16(ks, KS_RXCR1, rxc->rxcr1);
 	}
 
-	ks8851_unlock(ks, &flags);
+	ks8851_unlock(ks);
 
 	if (status & IRQ_LCI)
 		mii_check_link(&ks->mii);
 
-	if (status & IRQ_RXI)
+	if (status & IRQ_RXI) {
+		local_bh_disable();
 		while ((skb = __skb_dequeue(&rxq)))
 			netif_rx(skb);
+		local_bh_enable();
+	}
 
 	return IRQ_HANDLED;
 }
@@ -421,7 +419,6 @@ static void ks8851_flush_tx_work(struct ks8851_net *ks)
 static int ks8851_net_open(struct net_device *dev)
 {
 	struct ks8851_net *ks = netdev_priv(dev);
-	unsigned long flags;
 	int ret;
 
 	ret = request_threaded_irq(dev->irq, NULL, ks8851_irq,
@@ -434,7 +431,7 @@ static int ks8851_net_open(struct net_device *dev)
 
 	/* lock the card, even if we may not actually be doing anything
 	 * else at the moment */
-	ks8851_lock(ks, &flags);
+	ks8851_lock(ks);
 
 	netif_dbg(ks, ifup, ks->netdev, "opening\n");
 
@@ -487,7 +484,7 @@ static int ks8851_net_open(struct net_device *dev)
 
 	netif_dbg(ks, ifup, ks->netdev, "network device up\n");
 
-	ks8851_unlock(ks, &flags);
+	ks8851_unlock(ks);
 	mii_check_link(&ks->mii);
 	return 0;
 }
@@ -503,23 +500,22 @@ static int ks8851_net_open(struct net_device *dev)
 static int ks8851_net_stop(struct net_device *dev)
 {
 	struct ks8851_net *ks = netdev_priv(dev);
-	unsigned long flags;
 
 	netif_info(ks, ifdown, dev, "shutting down\n");
 
 	netif_stop_queue(dev);
 
-	ks8851_lock(ks, &flags);
+	ks8851_lock(ks);
 	/* turn off the IRQs and ack any outstanding */
 	ks8851_wrreg16(ks, KS_IER, 0x0000);
 	ks8851_wrreg16(ks, KS_ISR, 0xffff);
-	ks8851_unlock(ks, &flags);
+	ks8851_unlock(ks);
 
 	/* stop any outstanding work */
 	ks8851_flush_tx_work(ks);
 	flush_work(&ks->rxctrl_work);
 
-	ks8851_lock(ks, &flags);
+	ks8851_lock(ks);
 	/* shutdown RX process */
 	ks8851_wrreg16(ks, KS_RXCR1, 0x0000);
 
@@ -528,7 +524,7 @@ static int ks8851_net_stop(struct net_device *dev)
 
 	/* set powermode to soft power down to save power */
 	ks8851_set_powermode(ks, PMECR_PM_SOFTDOWN);
-	ks8851_unlock(ks, &flags);
+	ks8851_unlock(ks);
 
 	/* ensure any queued tx buffers are dumped */
 	while (!skb_queue_empty(&ks->txq)) {
@@ -582,14 +578,13 @@ static netdev_tx_t ks8851_start_xmit(struct sk_buff *skb,
 static void ks8851_rxctrl_work(struct work_struct *work)
 {
 	struct ks8851_net *ks = container_of(work, struct ks8851_net, rxctrl_work);
-	unsigned long flags;
 
-	ks8851_lock(ks, &flags);
+	ks8851_lock(ks);
 
 	/* need to shutdown RXQ before modifying filter parameters */
 	ks8851_wrreg16(ks, KS_RXCR1, 0x00);
 
-	ks8851_unlock(ks, &flags);
+	ks8851_unlock(ks);
 }
 
 static void ks8851_set_rx_mode(struct net_device *dev)
@@ -796,7 +791,6 @@ static int ks8851_set_eeprom(struct net_device *dev,
 {
 	struct ks8851_net *ks = netdev_priv(dev);
 	int offset = ee->offset;
-	unsigned long flags;
 	int len = ee->len;
 	u16 tmp;
 
@@ -810,7 +804,7 @@ static int ks8851_set_eeprom(struct net_device *dev,
 	if (!(ks->rc_ccr & CCR_EEPROM))
 		return -ENOENT;
 
-	ks8851_lock(ks, &flags);
+	ks8851_lock(ks);
 
 	ks8851_eeprom_claim(ks);
 
@@ -833,7 +827,7 @@ static int ks8851_set_eeprom(struct net_device *dev,
 	eeprom_93cx6_wren(&ks->eeprom, false);
 
 	ks8851_eeprom_release(ks);
-	ks8851_unlock(ks, &flags);
+	ks8851_unlock(ks);
 
 	return 0;
 }
@@ -843,7 +837,6 @@ static int ks8851_get_eeprom(struct net_device *dev,
 {
 	struct ks8851_net *ks = netdev_priv(dev);
 	int offset = ee->offset;
-	unsigned long flags;
 	int len = ee->len;
 
 	/* must be 2 byte aligned */
@@ -853,7 +846,7 @@ static int ks8851_get_eeprom(struct net_device *dev,
 	if (!(ks->rc_ccr & CCR_EEPROM))
 		return -ENOENT;
 
-	ks8851_lock(ks, &flags);
+	ks8851_lock(ks);
 
 	ks8851_eeprom_claim(ks);
 
@@ -861,7 +854,7 @@ static int ks8851_get_eeprom(struct net_device *dev,
 
 	eeprom_93cx6_multiread(&ks->eeprom, offset/2, (__le16 *)data, len/2);
 	ks8851_eeprom_release(ks);
-	ks8851_unlock(ks, &flags);
+	ks8851_unlock(ks);
 
 	return 0;
 }
@@ -920,7 +913,6 @@ static int ks8851_phy_reg(int reg)
 static int ks8851_phy_read_common(struct net_device *dev, int phy_addr, int reg)
 {
 	struct ks8851_net *ks = netdev_priv(dev);
-	unsigned long flags;
 	int result;
 	int ksreg;
 
@@ -928,9 +920,9 @@ static int ks8851_phy_read_common(struct net_device *dev, int phy_addr, int reg)
 	if (ksreg < 0)
 		return ksreg;
 
-	ks8851_lock(ks, &flags);
+	ks8851_lock(ks);
 	result = ks8851_rdreg16(ks, ksreg);
-	ks8851_unlock(ks, &flags);
+	ks8851_unlock(ks);
 
 	return result;
 }
@@ -965,14 +957,13 @@ static void ks8851_phy_write(struct net_device *dev,
 			     int phy, int reg, int value)
 {
 	struct ks8851_net *ks = netdev_priv(dev);
-	unsigned long flags;
 	int ksreg;
 
 	ksreg = ks8851_phy_reg(reg);
 	if (ksreg >= 0) {
-		ks8851_lock(ks, &flags);
+		ks8851_lock(ks);
 		ks8851_wrreg16(ks, ksreg, value);
-		ks8851_unlock(ks, &flags);
+		ks8851_unlock(ks);
 	}
 }
 
diff --git a/drivers/net/ethernet/micrel/ks8851_par.c b/drivers/net/ethernet/micrel/ks8851_par.c
index 96fb0ffcedb9..7f16ee5a91e2 100644
--- a/drivers/net/ethernet/micrel/ks8851_par.c
+++ b/drivers/net/ethernet/micrel/ks8851_par.c
@@ -55,29 +55,27 @@ struct ks8851_net_par {
 /**
  * ks8851_lock_par - register access lock
  * @ks: The chip state
- * @flags: Spinlock flags
  *
  * Claim chip register access lock
  */
-static void ks8851_lock_par(struct ks8851_net *ks, unsigned long *flags)
+static void ks8851_lock_par(struct ks8851_net *ks)
 {
 	struct ks8851_net_par *ksp = to_ks8851_par(ks);
 
-	spin_lock_irqsave(&ksp->lock, *flags);
+	spin_lock_bh(&ksp->lock);
 }
 
 /**
  * ks8851_unlock_par - register access unlock
  * @ks: The chip state
- * @flags: Spinlock flags
  *
  * Release chip register access lock
  */
-static void ks8851_unlock_par(struct ks8851_net *ks, unsigned long *flags)
+static void ks8851_unlock_par(struct ks8851_net *ks)
 {
 	struct ks8851_net_par *ksp = to_ks8851_par(ks);
 
-	spin_unlock_irqrestore(&ksp->lock, *flags);
+	spin_unlock_bh(&ksp->lock);
 }
 
 /**
@@ -233,7 +231,6 @@ static netdev_tx_t ks8851_start_xmit_par(struct sk_buff *skb,
 {
 	struct ks8851_net *ks = netdev_priv(dev);
 	netdev_tx_t ret = NETDEV_TX_OK;
-	unsigned long flags;
 	unsigned int txqcr;
 	u16 txmir;
 	int err;
@@ -241,7 +238,7 @@ static netdev_tx_t ks8851_start_xmit_par(struct sk_buff *skb,
 	netif_dbg(ks, tx_queued, ks->netdev,
 		  "%s: skb %p, %d@%p\n", __func__, skb, skb->len, skb->data);
 
-	ks8851_lock_par(ks, &flags);
+	ks8851_lock_par(ks);
 
 	txmir = ks8851_rdreg16_par(ks, KS_TXMIR) & 0x1fff;
 
@@ -262,7 +259,7 @@ static netdev_tx_t ks8851_start_xmit_par(struct sk_buff *skb,
 		ret = NETDEV_TX_BUSY;
 	}
 
-	ks8851_unlock_par(ks, &flags);
+	ks8851_unlock_par(ks);
 
 	return ret;
 }
diff --git a/drivers/net/ethernet/micrel/ks8851_spi.c b/drivers/net/ethernet/micrel/ks8851_spi.c
index e33a5e7beb39..50afe8c11178 100644
--- a/drivers/net/ethernet/micrel/ks8851_spi.c
+++ b/drivers/net/ethernet/micrel/ks8851_spi.c
@@ -73,11 +73,10 @@ struct ks8851_net_spi {
 /**
  * ks8851_lock_spi - register access lock
  * @ks: The chip state
- * @flags: Spinlock flags
  *
  * Claim chip register access lock
  */
-static void ks8851_lock_spi(struct ks8851_net *ks, unsigned long *flags)
+static void ks8851_lock_spi(struct ks8851_net *ks)
 {
 	struct ks8851_net_spi *kss = to_ks8851_spi(ks);
 
@@ -87,11 +86,10 @@ static void ks8851_lock_spi(struct ks8851_net *ks, unsigned long *flags)
 /**
  * ks8851_unlock_spi - register access unlock
  * @ks: The chip state
- * @flags: Spinlock flags
  *
  * Release chip register access lock
  */
-static void ks8851_unlock_spi(struct ks8851_net *ks, unsigned long *flags)
+static void ks8851_unlock_spi(struct ks8851_net *ks)
 {
 	struct ks8851_net_spi *kss = to_ks8851_spi(ks);
 
@@ -311,7 +309,6 @@ static void ks8851_tx_work(struct work_struct *work)
 	struct ks8851_net_spi *kss;
 	unsigned short tx_space;
 	struct ks8851_net *ks;
-	unsigned long flags;
 	struct sk_buff *txb;
 	bool last;
 
@@ -319,7 +316,7 @@ static void ks8851_tx_work(struct work_struct *work)
 	ks = &kss->ks8851;
 	last = skb_queue_empty(&ks->txq);
 
-	ks8851_lock_spi(ks, &flags);
+	ks8851_lock_spi(ks);
 
 	while (!last) {
 		txb = skb_dequeue(&ks->txq);
@@ -345,7 +342,7 @@ static void ks8851_tx_work(struct work_struct *work)
 	ks->tx_space = tx_space;
 	spin_unlock_bh(&ks->statelock);
 
-	ks8851_unlock_spi(ks, &flags);
+	ks8851_unlock_spi(ks);
 }
 
 /**
diff --git a/drivers/net/ethernet/microsoft/mana/mana_en.c b/drivers/net/ethernet/microsoft/mana/mana_en.c
index b56a337b1e21..343f6e879af3 100644
--- a/drivers/net/ethernet/microsoft/mana/mana_en.c
+++ b/drivers/net/ethernet/microsoft/mana/mana_en.c
@@ -2380,6 +2380,13 @@ static void mana_rss_table_init(struct mana_port_context *apc)
 			ethtool_rxfh_indir_default(i, apc->num_queues);
 }
 
+int mana_disable_vport_rx(struct mana_port_context *apc)
+{
+	return mana_cfg_vport_steering(apc, TRI_STATE_FALSE, false, false,
+				       false);
+}
+EXPORT_SYMBOL_NS(mana_disable_vport_rx, NET_MANA);
+
 int mana_config_rss(struct mana_port_context *apc, enum TRI_STATE rx,
 		    bool update_hash, bool update_tab)
 {
@@ -2620,12 +2627,14 @@ static int mana_dealloc_queues(struct net_device *ndev)
 	 */
 
 	apc->rss_state = TRI_STATE_FALSE;
-	err = mana_config_rss(apc, TRI_STATE_FALSE, false, false);
+	err = mana_disable_vport_rx(apc);
 	if (err) {
 		netdev_err(ndev, "Failed to disable vPort: %d\n", err);
 		return err;
 	}
 
+	mana_fence_rqs(apc);
+
 	mana_destroy_vport(apc);
 
 	return 0;
diff --git a/drivers/net/ethernet/stmicro/stmmac/chain_mode.c b/drivers/net/ethernet/stmicro/stmmac/chain_mode.c
index 1c01e3c640ce..251560887823 100644
--- a/drivers/net/ethernet/stmicro/stmmac/chain_mode.c
+++ b/drivers/net/ethernet/stmicro/stmmac/chain_mode.c
@@ -47,7 +47,7 @@ static int jumbo_frm(struct stmmac_tx_queue *tx_q, struct sk_buff *skb,
 
 	while (len != 0) {
 		tx_q->tx_skbuff[entry] = NULL;
-		entry = STMMAC_GET_ENTRY(entry, priv->dma_conf.dma_tx_size);
+		entry = STMMAC_NEXT_ENTRY(entry, priv->dma_conf.dma_tx_size);
 		desc = tx_q->dma_tx + entry;
 
 		if (len > bmax) {
diff --git a/drivers/net/ethernet/stmicro/stmmac/common.h b/drivers/net/ethernet/stmicro/stmmac/common.h
index c74de09181c6..5cecbe0e3b6a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/common.h
+++ b/drivers/net/ethernet/stmicro/stmmac/common.h
@@ -54,7 +54,7 @@
 #define DMA_MIN_RX_SIZE		64
 #define DMA_MAX_RX_SIZE		1024
 #define DMA_DEFAULT_RX_SIZE	512
-#define STMMAC_GET_ENTRY(x, size)	((x + 1) & (size - 1))
+#define STMMAC_NEXT_ENTRY(x, size)	((x + 1) & (size - 1))
 
 #undef FRAME_FILTER_DEBUG
 /* #define FRAME_FILTER_DEBUG */
diff --git a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c
index d218412ca832..45c14c1bb0ea 100644
--- a/drivers/net/ethernet/stmicro/stmmac/ring_mode.c
+++ b/drivers/net/ethernet/stmicro/stmmac/ring_mode.c
@@ -51,7 +51,7 @@ static int jumbo_frm(struct stmmac_tx_queue *tx_q, struct sk_buff *skb,
 		stmmac_prepare_tx_desc(priv, desc, 1, bmax, csum,
 				STMMAC_RING_MODE, 0, false, skb->len);
 		tx_q->tx_skbuff[entry] = NULL;
-		entry = STMMAC_GET_ENTRY(entry, priv->dma_conf.dma_tx_size);
+		entry = STMMAC_NEXT_ENTRY(entry, priv->dma_conf.dma_tx_size);
 
 		if (priv->extend_desc)
 			desc = (struct dma_desc *)(tx_q->dma_etx + entry);
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 4c672e1db52e..dea3d66619ce 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -2503,7 +2503,7 @@ static bool stmmac_xdp_xmit_zc(struct stmmac_priv *priv, u32 queue, u32 budget)
 
 		stmmac_enable_dma_transmission(priv, priv->ioaddr);
 
-		tx_q->cur_tx = STMMAC_GET_ENTRY(tx_q->cur_tx, priv->dma_conf.dma_tx_size);
+		tx_q->cur_tx = STMMAC_NEXT_ENTRY(tx_q->cur_tx, priv->dma_conf.dma_tx_size);
 		entry = tx_q->cur_tx;
 	}
 	u64_stats_update_begin(&txq_stats->napi_syncp);
@@ -2659,7 +2659,7 @@ static int stmmac_tx_clean(struct stmmac_priv *priv, int budget, u32 queue)
 
 		stmmac_release_tx_desc(priv, p, priv->mode);
 
-		entry = STMMAC_GET_ENTRY(entry, priv->dma_conf.dma_tx_size);
+		entry = STMMAC_NEXT_ENTRY(entry, priv->dma_conf.dma_tx_size);
 	}
 	tx_q->dirty_tx = entry;
 
@@ -3973,7 +3973,7 @@ static bool stmmac_vlan_insert(struct stmmac_priv *priv, struct sk_buff *skb,
 		return false;
 
 	stmmac_set_tx_owner(priv, p);
-	tx_q->cur_tx = STMMAC_GET_ENTRY(tx_q->cur_tx, priv->dma_conf.dma_tx_size);
+	tx_q->cur_tx = STMMAC_NEXT_ENTRY(tx_q->cur_tx, priv->dma_conf.dma_tx_size);
 	return true;
 }
 
@@ -4001,7 +4001,7 @@ static void stmmac_tso_allocator(struct stmmac_priv *priv, dma_addr_t des,
 	while (tmp_len > 0) {
 		dma_addr_t curr_addr;
 
-		tx_q->cur_tx = STMMAC_GET_ENTRY(tx_q->cur_tx,
+		tx_q->cur_tx = STMMAC_NEXT_ENTRY(tx_q->cur_tx,
 						priv->dma_conf.dma_tx_size);
 		WARN_ON(tx_q->tx_skbuff[tx_q->cur_tx]);
 
@@ -4133,7 +4133,7 @@ static netdev_tx_t stmmac_tso_xmit(struct sk_buff *skb, struct net_device *dev)
 
 		stmmac_set_mss(priv, mss_desc, mss);
 		tx_q->mss = mss;
-		tx_q->cur_tx = STMMAC_GET_ENTRY(tx_q->cur_tx,
+		tx_q->cur_tx = STMMAC_NEXT_ENTRY(tx_q->cur_tx,
 						priv->dma_conf.dma_tx_size);
 		WARN_ON(tx_q->tx_skbuff[tx_q->cur_tx]);
 	}
@@ -4258,7 +4258,7 @@ static netdev_tx_t stmmac_tso_xmit(struct sk_buff *skb, struct net_device *dev)
 	 * ndo_start_xmit will fill this descriptor the next time it's
 	 * called and stmmac_tx_clean may clean up to this descriptor.
 	 */
-	tx_q->cur_tx = STMMAC_GET_ENTRY(tx_q->cur_tx, priv->dma_conf.dma_tx_size);
+	tx_q->cur_tx = STMMAC_NEXT_ENTRY(tx_q->cur_tx, priv->dma_conf.dma_tx_size);
 
 	if (unlikely(stmmac_tx_avail(priv, queue) <= (MAX_SKB_FRAGS + 1))) {
 		netif_dbg(priv, hw, priv->dev, "%s: stop transmitted packets\n",
@@ -4451,7 +4451,7 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev)
 		int len = skb_frag_size(frag);
 		bool last_segment = (i == (nfrags - 1));
 
-		entry = STMMAC_GET_ENTRY(entry, priv->dma_conf.dma_tx_size);
+		entry = STMMAC_NEXT_ENTRY(entry, priv->dma_conf.dma_tx_size);
 		WARN_ON(tx_q->tx_skbuff[entry]);
 
 		if (likely(priv->extend_desc))
@@ -4521,7 +4521,7 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev)
 	 * ndo_start_xmit will fill this descriptor the next time it's
 	 * called and stmmac_tx_clean may clean up to this descriptor.
 	 */
-	entry = STMMAC_GET_ENTRY(entry, priv->dma_conf.dma_tx_size);
+	entry = STMMAC_NEXT_ENTRY(entry, priv->dma_conf.dma_tx_size);
 	tx_q->cur_tx = entry;
 
 	if (netif_msg_pktdata(priv)) {
@@ -4691,7 +4691,7 @@ static inline void stmmac_rx_refill(struct stmmac_priv *priv, u32 queue)
 		dma_wmb();
 		stmmac_set_rx_owner(priv, p, use_rx_wd);
 
-		entry = STMMAC_GET_ENTRY(entry, priv->dma_conf.dma_rx_size);
+		entry = STMMAC_NEXT_ENTRY(entry, priv->dma_conf.dma_rx_size);
 	}
 	rx_q->dirty_rx = entry;
 	rx_q->rx_tail_addr = rx_q->dma_rx_phy +
@@ -4818,7 +4818,7 @@ static int stmmac_xdp_xmit_xdpf(struct stmmac_priv *priv, int queue,
 
 	stmmac_enable_dma_transmission(priv, priv->ioaddr);
 
-	entry = STMMAC_GET_ENTRY(entry, priv->dma_conf.dma_tx_size);
+	entry = STMMAC_NEXT_ENTRY(entry, priv->dma_conf.dma_tx_size);
 	tx_q->cur_tx = entry;
 
 	return STMMAC_XDP_TX;
@@ -5048,7 +5048,7 @@ static bool stmmac_rx_refill_zc(struct stmmac_priv *priv, u32 queue, u32 budget)
 		dma_wmb();
 		stmmac_set_rx_owner(priv, rx_desc, use_rx_wd);
 
-		entry = STMMAC_GET_ENTRY(entry, priv->dma_conf.dma_rx_size);
+		entry = STMMAC_NEXT_ENTRY(entry, priv->dma_conf.dma_rx_size);
 	}
 
 	if (rx_desc) {
@@ -5143,9 +5143,12 @@ static int stmmac_rx_zc(struct stmmac_priv *priv, int limit, u32 queue)
 			break;
 
 		/* Prefetch the next RX descriptor */
-		rx_q->cur_rx = STMMAC_GET_ENTRY(rx_q->cur_rx,
-						priv->dma_conf.dma_rx_size);
-		next_entry = rx_q->cur_rx;
+		next_entry = STMMAC_NEXT_ENTRY(rx_q->cur_rx,
+					       priv->dma_conf.dma_rx_size);
+		if (unlikely(next_entry == rx_q->dirty_rx))
+			break;
+
+		rx_q->cur_rx = next_entry;
 
 		if (priv->extend_desc)
 			np = (struct dma_desc *)(rx_q->dma_erx + next_entry);
@@ -5279,11 +5282,10 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit, u32 queue)
 	struct sk_buff *skb = NULL;
 	struct stmmac_xdp_buff ctx;
 	int xdp_status = 0;
-	int buf_sz;
+	int bufsz;
 
 	dma_dir = page_pool_get_dma_dir(rx_q->page_pool);
-	buf_sz = DIV_ROUND_UP(priv->dma_conf.dma_buf_sz, PAGE_SIZE) * PAGE_SIZE;
-	limit = min(priv->dma_conf.dma_rx_size - 1, (unsigned int)limit);
+	bufsz = DIV_ROUND_UP(priv->dma_conf.dma_buf_sz, PAGE_SIZE) * PAGE_SIZE;
 
 	if (netif_msg_rx_status(priv)) {
 		void *rx_head;
@@ -5339,9 +5341,12 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit, u32 queue)
 		if (unlikely(status & dma_own))
 			break;
 
-		rx_q->cur_rx = STMMAC_GET_ENTRY(rx_q->cur_rx,
-						priv->dma_conf.dma_rx_size);
-		next_entry = rx_q->cur_rx;
+		next_entry = STMMAC_NEXT_ENTRY(rx_q->cur_rx,
+					       priv->dma_conf.dma_rx_size);
+		if (unlikely(next_entry == rx_q->dirty_rx))
+			break;
+
+		rx_q->cur_rx = next_entry;
 
 		if (priv->extend_desc)
 			np = (struct dma_desc *)(rx_q->dma_erx + next_entry);
@@ -5397,7 +5402,7 @@ static int stmmac_rx(struct stmmac_priv *priv, int limit, u32 queue)
 			dma_sync_single_for_cpu(priv->device, buf->addr,
 						buf1_len, dma_dir);
 
-			xdp_init_buff(&ctx.xdp, buf_sz, &rx_q->xdp_rxq);
+			xdp_init_buff(&ctx.xdp, bufsz, &rx_q->xdp_rxq);
 			xdp_prepare_buff(&ctx.xdp, page_address(buf->page),
 					 buf->page_offset, buf1_len, true);
 
diff --git a/drivers/net/ethernet/wangxun/libwx/wx_hw.c b/drivers/net/ethernet/wangxun/libwx/wx_hw.c
index 7feb991a9592..e6320da3e594 100644
--- a/drivers/net/ethernet/wangxun/libwx/wx_hw.c
+++ b/drivers/net/ethernet/wangxun/libwx/wx_hw.c
@@ -1667,8 +1667,11 @@ int wx_sw_init(struct wx *wx)
 	wx->oem_svid = pdev->subsystem_vendor;
 	wx->oem_ssid = pdev->subsystem_device;
 	wx->bus.device = PCI_SLOT(pdev->devfn);
-	wx->bus.func = FIELD_GET(WX_CFG_PORT_ST_LANID,
-				 rd32(wx, WX_CFG_PORT_ST));
+	if (pdev->is_virtfn)
+		wx->bus.func = PCI_FUNC(pdev->devfn);
+	else
+		wx->bus.func = FIELD_GET(WX_CFG_PORT_ST_LANID,
+					 rd32(wx, WX_CFG_PORT_ST));
 
 	if (wx->oem_svid == PCI_VENDOR_ID_WANGXUN) {
 		wx->subsystem_vendor_id = pdev->subsystem_vendor;
diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
index d60c26ba0ba4..d0d955467aef 100644
--- a/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_main.c
@@ -696,7 +696,8 @@ static int txgbe_probe(struct pci_dev *pdev,
 			 "0x%08x", etrack_id);
 	}
 
-	if (etrack_id < 0x20010)
+	if (wx->mac.type == wx_mac_sp &&
+	    ((etrack_id & 0xfffff) < 0x20010))
 		dev_warn(&pdev->dev, "Please upgrade the firmware to 0x20010 or above.\n");
 
 	txgbe = devm_kzalloc(&pdev->dev, sizeof(*txgbe), GFP_KERNEL);
diff --git a/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c b/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
index 4159c84035fd..2494a3a171fd 100644
--- a/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
+++ b/drivers/net/ethernet/wangxun/txgbe/txgbe_phy.c
@@ -820,7 +820,9 @@ int txgbe_init_phy(struct txgbe *txgbe)
 void txgbe_remove_phy(struct txgbe *txgbe)
 {
 	if (txgbe->wx->media_type == sp_media_copper) {
+		rtnl_lock();
 		phylink_disconnect_phy(txgbe->phylink);
+		rtnl_unlock();
 		phylink_destroy(txgbe->phylink);
 		return;
 	}
diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c
index 7da30a6752be..08b32b45126d 100644
--- a/drivers/net/phy/mdio_bus.c
+++ b/drivers/net/phy/mdio_bus.c
@@ -675,8 +675,8 @@ 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);
 
 	WARN(bus->state != MDIOBUS_ALLOCATED &&
 	     bus->state != MDIOBUS_UNREGISTERED,
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index c59c14483177..04558fff0a99 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -1738,7 +1738,8 @@ 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/broadcom/b43/xmit.c b/drivers/net/wireless/broadcom/b43/xmit.c
index 7651b1bdb592..f0b082596637 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 efd63f4ce74f..ee199d4eaf03 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/sdio.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
index 6b38d9de71af..a4d0db371c89 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c
@@ -2475,8 +2475,9 @@ static void brcmf_sdio_bus_stop(struct device *dev)
 	brcmf_dbg(TRACE, "Enter\n");
 
 	if (bus->watchdog_tsk) {
+		get_task_struct(bus->watchdog_tsk);
 		send_sig(SIGTERM, bus->watchdog_tsk, 1);
-		kthread_stop(bus->watchdog_tsk);
+		kthread_stop_put(bus->watchdog_tsk);
 		bus->watchdog_tsk = NULL;
 	}
 
@@ -4557,8 +4558,9 @@ void brcmf_sdio_remove(struct brcmf_sdio *bus)
 	if (bus) {
 		/* Stop watchdog task */
 		if (bus->watchdog_tsk) {
+			get_task_struct(bus->watchdog_tsk);
 			send_sig(SIGTERM, bus->watchdog_tsk, 1);
-			kthread_stop(bus->watchdog_tsk);
+			kthread_stop_put(bus->watchdog_tsk);
 			bus->watchdog_tsk = NULL;
 		}
 
diff --git a/drivers/net/wireless/marvell/mwifiex/init.c b/drivers/net/wireless/marvell/mwifiex/init.c
index c9c58419c37b..64d651c78570 100644
--- a/drivers/net/wireless/marvell/mwifiex/init.c
+++ b/drivers/net/wireless/marvell/mwifiex/init.c
@@ -386,7 +386,7 @@ static void mwifiex_invalidate_lists(struct mwifiex_adapter *adapter)
 static void
 mwifiex_adapter_cleanup(struct mwifiex_adapter *adapter)
 {
-	del_timer(&adapter->wakeup_timer);
+	del_timer_sync(&adapter->wakeup_timer);
 	cancel_delayed_work_sync(&adapter->devdump_work);
 	mwifiex_cancel_all_pending_cmd(adapter);
 	wake_up_interruptible(&adapter->cmd_wait_q.wait);
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac.h b/drivers/net/wireless/mediatek/mt76/mt76_connac.h
index 22878f088804..1f29d8cd900c 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac.h
@@ -172,6 +172,11 @@ struct mt76_connac_tx_free {
 
 extern const struct wiphy_wowlan_support mt76_connac_wowlan_support;
 
+static inline bool is_mt7925(struct mt76_dev *dev)
+{
+	return mt76_chip(dev) == 0x7925;
+}
+
 static inline bool is_mt7922(struct mt76_dev *dev)
 {
 	return mt76_chip(dev) == 0x7922;
@@ -245,6 +250,7 @@ static inline bool is_mt76_fw_txp(struct mt76_dev *dev)
 	switch (mt76_chip(dev)) {
 	case 0x7961:
 	case 0x7922:
+	case 0x7925:
 	case 0x7663:
 	case 0x7622:
 		return false;
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c
index 570c9dcbc505..6a637d4f4236 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mac.c
@@ -170,7 +170,7 @@ void mt76_connac_write_hw_txp(struct mt76_dev *dev,
 
 	txp->msdu_id[0] = cpu_to_le16(id | MT_MSDU_ID_VALID);
 
-	if (is_mt7663(dev) || is_mt7921(dev))
+	if (is_mt7663(dev) || is_mt7921(dev) || is_mt7925(dev))
 		last_mask = MT_TXD_LEN_LAST;
 	else
 		last_mask = MT_TXD_LEN_AMSDU_LAST |
@@ -214,7 +214,7 @@ mt76_connac_txp_skb_unmap_hw(struct mt76_dev *dev,
 	u32 last_mask;
 	int i;
 
-	if (is_mt7663(dev) || is_mt7921(dev))
+	if (is_mt7663(dev) || is_mt7921(dev) || is_mt7925(dev))
 		last_mask = MT_TXD_LEN_LAST;
 	else
 		last_mask = MT_TXD_LEN_MSDU_LAST;
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
index 7420d91bef0d..a388078cdaa2 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
@@ -66,6 +66,7 @@ int mt76_connac_mcu_init_download(struct mt76_dev *dev, u32 addr, u32 len,
 
 	if ((!is_connac_v1(dev) && addr == MCU_PATCH_ADDRESS) ||
 	    (is_mt7921(dev) && addr == 0x900000) ||
+	    (is_mt7925(dev) && addr == 0x900000) ||
 	    (is_mt7996(dev) && addr == 0x900000))
 		cmd = MCU_CMD(PATCH_START_REQ);
 	else
@@ -3080,7 +3081,7 @@ static u32 mt76_connac2_get_data_mode(struct mt76_dev *dev, u32 info)
 {
 	u32 mode = DL_MODE_NEED_RSP;
 
-	if (!is_mt7921(dev) || info == PATCH_SEC_NOT_SUPPORT)
+	if ((!is_mt7921(dev) && !is_mt7925(dev)) || info == PATCH_SEC_NOT_SUPPORT)
 		return mode;
 
 	switch (FIELD_GET(PATCH_SEC_ENC_TYPE_MASK, info)) {
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
index 27391ee3564a..4740c6dc3108 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
@@ -1739,7 +1739,7 @@ mt76_connac_mcu_gen_dl_mode(struct mt76_dev *dev, u8 feature_set, bool is_wa)
 
 	ret |= feature_set & FW_FEATURE_SET_ENCRYPT ?
 	       DL_MODE_ENCRYPT | DL_MODE_RESET_SEC_IV : 0;
-	if (is_mt7921(dev))
+	if (is_mt7921(dev) || is_mt7925(dev))
 		ret |= feature_set & FW_FEATURE_ENCRY_MODE ?
 		       DL_CONFIG_ENCRY_MODE_SEL : 0;
 	ret |= FIELD_PREP(DL_MODE_KEY_IDX,
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/main.c b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
index ae7a01c7ce36..5ffe08b8b85c 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/main.c
@@ -361,10 +361,11 @@ void mt7921_roc_work(struct work_struct *work)
 	phy = (struct mt792x_phy *)container_of(work, struct mt792x_phy,
 						roc_work);
 
-	if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state))
-		return;
-
 	mt792x_mutex_acquire(phy->dev);
+	if (!test_and_clear_bit(MT76_STATE_ROC, &phy->mt76->state)) {
+		mt792x_mutex_release(phy->dev);
+		return;
+	}
 	ieee80211_iterate_active_interfaces(phy->mt76->hw,
 					    IEEE80211_IFACE_ITER_RESUME_ALL,
 					    mt7921_roc_iter, phy);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
index d1b1b8f767fc..80a07e5f3a27 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7921/mcu.c
@@ -1155,6 +1155,9 @@ int __mt7921_mcu_set_clc(struct mt792x_dev *dev, u8 *alpha2,
 		u16 len = le16_to_cpu(rule->len);
 		u16 offset = len + sizeof(*rule);
 
+		if (buf_len < offset)
+			break;
+
 		pos += offset;
 		buf_len -= offset;
 		if (rule->alpha2[0] != alpha2[0] ||
diff --git a/drivers/net/wireless/mediatek/mt76/mt792x_regs.h b/drivers/net/wireless/mediatek/mt76/mt792x_regs.h
index a99af23e4b56..ae33ac34e3cc 100644
--- a/drivers/net/wireless/mediatek/mt76/mt792x_regs.h
+++ b/drivers/net/wireless/mediatek/mt76/mt792x_regs.h
@@ -385,6 +385,10 @@
 #define MT_CBTOP_RGU_WF_SUBSYS_RST	MT_CBTOP_RGU(0x600)
 #define MT_CBTOP_RGU_WF_SUBSYS_RST_WF_WHOLE_PATH BIT(0)
 
+#define MT7925_CBTOP_RGU_WF_SUBSYS_RST	0x70028600
+#define MT7925_WFSYS_INIT_DONE_ADDR	0x184c1604
+#define MT7925_WFSYS_INIT_DONE		0x00001d1e
+
 #define MT_HW_BOUND			0x70010020
 #define MT_HW_CHIPID			0x70010200
 #define MT_HW_REV			0x70010204
diff --git a/drivers/net/wireless/mediatek/mt76/mt792x_usb.c b/drivers/net/wireless/mediatek/mt76/mt792x_usb.c
index 20e7f9c7c88c..5d10d981b33f 100644
--- a/drivers/net/wireless/mediatek/mt76/mt792x_usb.c
+++ b/drivers/net/wireless/mediatek/mt76/mt792x_usb.c
@@ -208,6 +208,33 @@ static void mt792xu_epctl_rst_opt(struct mt792x_dev *dev, bool reset)
 	mt792xu_uhw_wr(&dev->mt76, MT_SSUSB_EPCTL_CSR_EP_RST_OPT, val);
 }
 
+struct mt792xu_wfsys_desc {
+	u32 rst_reg;
+	u32 done_reg;
+	u32 done_mask;
+	u32 done_val;
+	u32 delay_ms;
+	bool need_status_sel;
+};
+
+static const struct mt792xu_wfsys_desc mt7921_wfsys_desc = {
+	.rst_reg = MT_CBTOP_RGU_WF_SUBSYS_RST,
+	.done_reg = MT_UDMA_CONN_INFRA_STATUS,
+	.done_mask = MT_UDMA_CONN_WFSYS_INIT_DONE,
+	.done_val = MT_UDMA_CONN_WFSYS_INIT_DONE,
+	.delay_ms = 0,
+	.need_status_sel = true,
+};
+
+static const struct mt792xu_wfsys_desc mt7925_wfsys_desc = {
+	.rst_reg = MT7925_CBTOP_RGU_WF_SUBSYS_RST,
+	.done_reg = MT7925_WFSYS_INIT_DONE_ADDR,
+	.done_mask = U32_MAX,
+	.done_val = MT7925_WFSYS_INIT_DONE,
+	.delay_ms = 20,
+	.need_status_sel = false,
+};
+
 int mt792xu_dma_init(struct mt792x_dev *dev, bool resume)
 {
 	int err;
@@ -238,25 +265,33 @@ EXPORT_SYMBOL_GPL(mt792xu_dma_init);
 
 int mt792xu_wfsys_reset(struct mt792x_dev *dev)
 {
+	const struct mt792xu_wfsys_desc *desc = is_mt7925(&dev->mt76) ?
+						&mt7925_wfsys_desc :
+						&mt7921_wfsys_desc;
 	u32 val;
 	int i;
 
 	mt792xu_epctl_rst_opt(dev, false);
 
-	val = mt792xu_uhw_rr(&dev->mt76, MT_CBTOP_RGU_WF_SUBSYS_RST);
+	val = mt792xu_uhw_rr(&dev->mt76, desc->rst_reg);
 	val |= MT_CBTOP_RGU_WF_SUBSYS_RST_WF_WHOLE_PATH;
-	mt792xu_uhw_wr(&dev->mt76, MT_CBTOP_RGU_WF_SUBSYS_RST, val);
+	mt792xu_uhw_wr(&dev->mt76, desc->rst_reg, val);
 
-	usleep_range(10, 20);
+	if (desc->delay_ms)
+		msleep(desc->delay_ms);
+	else
+		usleep_range(10, 20);
 
-	val = mt792xu_uhw_rr(&dev->mt76, MT_CBTOP_RGU_WF_SUBSYS_RST);
+	val = mt792xu_uhw_rr(&dev->mt76, desc->rst_reg);
 	val &= ~MT_CBTOP_RGU_WF_SUBSYS_RST_WF_WHOLE_PATH;
-	mt792xu_uhw_wr(&dev->mt76, MT_CBTOP_RGU_WF_SUBSYS_RST, val);
+	mt792xu_uhw_wr(&dev->mt76, desc->rst_reg, val);
+
+	if (desc->need_status_sel)
+		mt792xu_uhw_wr(&dev->mt76, MT_UDMA_CONN_INFRA_STATUS_SEL, 0);
 
-	mt792xu_uhw_wr(&dev->mt76, MT_UDMA_CONN_INFRA_STATUS_SEL, 0);
 	for (i = 0; i < MT792x_WFSYS_INIT_RETRY_COUNT; i++) {
-		val = mt792xu_uhw_rr(&dev->mt76, MT_UDMA_CONN_INFRA_STATUS);
-		if (val & MT_UDMA_CONN_WFSYS_INIT_DONE)
+		val = mt792xu_uhw_rr(&dev->mt76, desc->done_reg);
+		if ((val & desc->done_mask) == desc->done_val)
 			break;
 
 		msleep(100);
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
index 03aacb7a4317..5a57ffb53ace 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
@@ -4809,20 +4809,6 @@ static const struct ieee80211_rate rtl8xxxu_legacy_ratetable[] = {
 	{.bitrate = 540, .hw_value = 0x0b,},
 };
 
-static void rtl8xxxu_desc_to_mcsrate(u16 rate, u8 *mcs, u8 *nss)
-{
-	if (rate <= DESC_RATE_54M)
-		return;
-
-	if (rate >= DESC_RATE_MCS0 && rate <= DESC_RATE_MCS15) {
-		if (rate < DESC_RATE_MCS8)
-			*nss = 1;
-		else
-			*nss = 2;
-		*mcs = rate - DESC_RATE_MCS0;
-	}
-}
-
 static void rtl8xxxu_set_basic_rates(struct rtl8xxxu_priv *priv, u32 rate_cfg)
 {
 	struct ieee80211_hw *hw = priv->hw;
@@ -4927,23 +4913,25 @@ static void rtl8xxxu_set_aifs(struct rtl8xxxu_priv *priv, u8 slot_time)
 void rtl8xxxu_update_ra_report(struct rtl8xxxu_ra_report *rarpt,
 			       u8 rate, u8 sgi, u8 bw)
 {
-	u8 mcs, nss;
-
 	rarpt->txrate.flags = 0;
 
 	if (rate <= DESC_RATE_54M) {
 		rarpt->txrate.legacy = rtl8xxxu_legacy_ratetable[rate].bitrate;
-	} else {
-		rtl8xxxu_desc_to_mcsrate(rate, &mcs, &nss);
+	} else if (rate >= DESC_RATE_MCS0 && rate <= DESC_RATE_MCS15) {
 		rarpt->txrate.flags |= RATE_INFO_FLAGS_MCS;
+		if (rate < DESC_RATE_MCS8)
+			rarpt->txrate.nss = 1;
+		else
+			rarpt->txrate.nss = 2;
 
-		rarpt->txrate.mcs = mcs;
-		rarpt->txrate.nss = nss;
+		rarpt->txrate.mcs = rate - DESC_RATE_MCS0;
 
 		if (sgi)
 			rarpt->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
 
 		rarpt->txrate.bw = bw;
+	} else {
+		return;
 	}
 
 	rarpt->bit_rate = cfg80211_calculate_bitrate(&rarpt->txrate);
diff --git a/drivers/net/wireless/realtek/rtw88/pci.c b/drivers/net/wireless/realtek/rtw88/pci.c
index 2bfc0e822b8d..bd6d8b2af242 100644
--- a/drivers/net/wireless/realtek/rtw88/pci.c
+++ b/drivers/net/wireless/realtek/rtw88/pci.c
@@ -1749,7 +1749,8 @@ int rtw_pci_probe(struct pci_dev *pdev,
 	}
 
 	/* Disable PCIe ASPM L1 while doing NAPI poll for 8821CE */
-	if (rtwdev->chip->id == RTW_CHIP_TYPE_8821C && bridge->vendor == PCI_VENDOR_ID_INTEL)
+	if (rtwdev->chip->id == RTW_CHIP_TYPE_8821C &&
+	    bridge && bridge->vendor == PCI_VENDOR_ID_INTEL)
 		rtwpci->rx_no_aspm = true;
 
 	rtw_pci_phy_cfg(rtwdev);
diff --git a/drivers/net/wireless/rsi/rsi_common.h b/drivers/net/wireless/rsi/rsi_common.h
index 7aa5124575cf..c40f8101febc 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/wwan/t7xx/t7xx_modem_ops.c b/drivers/net/wwan/t7xx/t7xx_modem_ops.c
index 24e7d491468e..6e319f1ac6dc 100644
--- a/drivers/net/wwan/t7xx/t7xx_modem_ops.c
+++ b/drivers/net/wwan/t7xx/t7xx_modem_ops.c
@@ -417,8 +417,20 @@ static int t7xx_parse_host_rt_data(struct t7xx_fsm_ctl *ctl, struct t7xx_sys_inf
 
 	offset = sizeof(struct feature_query);
 	for (i = 0; i < FEATURE_COUNT && offset < data_length; i++) {
+		size_t remaining = data_length - offset;
+		size_t feat_data_len, feat_total;
+
+		if (remaining < sizeof(*rt_feature))
+			break;
+
 		rt_feature = data + offset;
-		offset += sizeof(*rt_feature) + le32_to_cpu(rt_feature->data_len);
+		feat_data_len = le32_to_cpu(rt_feature->data_len);
+
+		if (feat_data_len > remaining - sizeof(*rt_feature))
+			break;
+
+		feat_total = sizeof(*rt_feature) + feat_data_len;
+		offset += feat_total;
 
 		ft_spt_cfg = FIELD_GET(FEATURE_MSK, core->feature_set[i]);
 		if (ft_spt_cfg != MTK_FEATURE_MUST_BE_SUPPORTED)
@@ -428,8 +440,10 @@ static int t7xx_parse_host_rt_data(struct t7xx_fsm_ctl *ctl, struct t7xx_sys_inf
 		if (ft_spt_st != MTK_FEATURE_MUST_BE_SUPPORTED)
 			return -EINVAL;
 
-		if (i == RT_ID_MD_PORT_ENUM || i == RT_ID_AP_PORT_ENUM)
-			t7xx_port_enum_msg_handler(ctl->md, rt_feature->data);
+		if (i == RT_ID_MD_PORT_ENUM || i == RT_ID_AP_PORT_ENUM) {
+			t7xx_port_enum_msg_handler(ctl->md, rt_feature->data,
+						   feat_data_len);
+		}
 	}
 
 	return 0;
diff --git a/drivers/net/wwan/t7xx/t7xx_port_ctrl_msg.c b/drivers/net/wwan/t7xx/t7xx_port_ctrl_msg.c
index ae632ef96698..f869e4ed9ee9 100644
--- a/drivers/net/wwan/t7xx/t7xx_port_ctrl_msg.c
+++ b/drivers/net/wwan/t7xx/t7xx_port_ctrl_msg.c
@@ -117,6 +117,7 @@ static int fsm_ee_message_handler(struct t7xx_port *port, struct t7xx_fsm_ctl *c
  * t7xx_port_enum_msg_handler() - Parse the port enumeration message to create/remove nodes.
  * @md: Modem context.
  * @msg: Message.
+ * @msg_len:	Length of @msg in bytes.
  *
  * Used to control create/remove device node.
  *
@@ -124,12 +125,18 @@ static int fsm_ee_message_handler(struct t7xx_port *port, struct t7xx_fsm_ctl *c
  * * 0		- Success.
  * * -EFAULT	- Message check failure.
  */
-int t7xx_port_enum_msg_handler(struct t7xx_modem *md, void *msg)
+int t7xx_port_enum_msg_handler(struct t7xx_modem *md, void *msg, size_t msg_len)
 {
 	struct device *dev = &md->t7xx_dev->pdev->dev;
 	unsigned int version, port_count, i;
 	struct port_msg *port_msg = msg;
 
+	if (msg_len < sizeof(*port_msg)) {
+		dev_err(dev, "Port enum msg too short for header: need %zu, have %zu\n",
+			sizeof(*port_msg), msg_len);
+		return -EINVAL;
+	}
+
 	version = FIELD_GET(PORT_MSG_VERSION, le32_to_cpu(port_msg->info));
 	if (version != PORT_ENUM_VER ||
 	    le32_to_cpu(port_msg->head_pattern) != PORT_ENUM_HEAD_PATTERN ||
@@ -141,6 +148,13 @@ int t7xx_port_enum_msg_handler(struct t7xx_modem *md, void *msg)
 	}
 
 	port_count = FIELD_GET(PORT_MSG_PRT_CNT, le32_to_cpu(port_msg->info));
+
+	if (msg_len < struct_size(port_msg, data, port_count)) {
+		dev_err(dev, "Port enum msg too short: need %zu, have %zu\n",
+			struct_size(port_msg, data, port_count), msg_len);
+		return -EINVAL;
+	}
+
 	for (i = 0; i < port_count; i++) {
 		u32 port_info = le32_to_cpu(port_msg->data[i]);
 		unsigned int ch_id;
@@ -191,7 +205,7 @@ static int control_msg_handler(struct t7xx_port *port, struct sk_buff *skb)
 
 	case CTL_ID_PORT_ENUM:
 		skb_pull(skb, sizeof(*ctrl_msg_h));
-		ret = t7xx_port_enum_msg_handler(ctl->md, (struct port_msg *)skb->data);
+		ret = t7xx_port_enum_msg_handler(ctl->md, (struct port_msg *)skb->data, skb->len);
 		if (!ret)
 			ret = port_ctl_send_msg_to_md(port, CTL_ID_PORT_ENUM, 0);
 		else
diff --git a/drivers/net/wwan/t7xx/t7xx_port_proxy.h b/drivers/net/wwan/t7xx/t7xx_port_proxy.h
index 81d059fbc0fb..6784c6b783a4 100644
--- a/drivers/net/wwan/t7xx/t7xx_port_proxy.h
+++ b/drivers/net/wwan/t7xx/t7xx_port_proxy.h
@@ -95,7 +95,7 @@ void t7xx_port_proxy_reset(struct port_proxy *port_prox);
 void t7xx_port_proxy_uninit(struct port_proxy *port_prox);
 int t7xx_port_proxy_init(struct t7xx_modem *md);
 void t7xx_port_proxy_md_status_notify(struct port_proxy *port_prox, unsigned int state);
-int t7xx_port_enum_msg_handler(struct t7xx_modem *md, void *msg);
+int t7xx_port_enum_msg_handler(struct t7xx_modem *md, void *msg, size_t msg_len);
 int t7xx_port_proxy_chl_enable_disable(struct port_proxy *port_prox, unsigned int ch_id,
 				       bool en_flag);
 
diff --git a/drivers/nvme/host/apple.c b/drivers/nvme/host/apple.c
index 9b1019ee7478..04bb23757a52 100644
--- a/drivers/nvme/host/apple.c
+++ b/drivers/nvme/host/apple.c
@@ -1208,11 +1208,7 @@ static int apple_nvme_get_address(struct nvme_ctrl *ctrl, char *buf, int size)
 
 static void apple_nvme_free_ctrl(struct nvme_ctrl *ctrl)
 {
-	struct apple_nvme *anv = ctrl_to_apple_nvme(ctrl);
-
-	if (anv->ctrl.admin_q)
-		blk_put_queue(anv->ctrl.admin_q);
-	put_device(anv->dev);
+	put_device(ctrl->dev);
 }
 
 static const struct nvme_ctrl_ops nvme_ctrl_ops = {
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 215aa871092d..48c46c942253 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -2943,7 +2943,7 @@ static int nvme_init_non_mdts_limits(struct nvme_ctrl *ctrl)
 	if (id->dmrl)
 		ctrl->max_discard_segments = id->dmrl;
 	ctrl->dmrsl = le32_to_cpu(id->dmrsl);
-	if (id->wzsl)
+	if (id->wzsl && !(ctrl->quirks & NVME_QUIRK_DISABLE_WRITE_ZEROES))
 		ctrl->max_zeroes_sectors = nvme_mps_to_sectors(ctrl, id->wzsl);
 
 free_data:
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 6f78577fb70d..40d9be6468b5 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -3589,6 +3589,8 @@ 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 1cf6dfac1836..5a2adfc7c796 100644
--- a/drivers/nvme/target/core.c
+++ b/drivers/nvme/target/core.c
@@ -1497,7 +1497,7 @@ 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);
 
 	nvmet_destroy_auth(ctrl);
diff --git a/drivers/of/base.c b/drivers/of/base.c
index d10248a5c0a5..04c6a3b40429 100644
--- a/drivers/of/base.c
+++ b/drivers/of/base.c
@@ -1759,7 +1759,7 @@ void of_alias_scan(void * (*dt_alloc)(u64 size, u64 align))
 		if (name)
 			of_stdout = of_find_node_opts_by_path(name, &of_stdout_options);
 		if (of_stdout)
-			of_stdout->fwnode.flags |= FWNODE_FLAG_BEST_EFFORT;
+			fwnode_set_flag(&of_stdout->fwnode, FWNODE_FLAG_BEST_EFFORT);
 	}
 
 	if (!of_aliases)
diff --git a/drivers/of/dynamic.c b/drivers/of/dynamic.c
index 18393800546c..ab109bb92cf4 100644
--- a/drivers/of/dynamic.c
+++ b/drivers/of/dynamic.c
@@ -224,7 +224,7 @@ static void __of_attach_node(struct device_node *np)
 	np->sibling = np->parent->child;
 	np->parent->child = np;
 	of_node_clear_flag(np, OF_DETACHED);
-	np->fwnode.flags |= FWNODE_FLAG_NOT_DEVICE;
+	fwnode_set_flag(&np->fwnode, FWNODE_FLAG_NOT_DEVICE);
 
 	raw_spin_unlock_irqrestore(&devtree_lock, flags);
 
diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index ccf7f0ffa67f..18b72f891c5b 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -774,7 +774,7 @@ static int of_platform_notify(struct notifier_block *nb,
 		 * Clear the flag before adding the device so that fw_devlink
 		 * doesn't skip adding consumers to this device.
 		 */
-		rd->dn->fwnode.flags &= ~FWNODE_FLAG_NOT_DEVICE;
+		fwnode_clear_flag(&rd->dn->fwnode, FWNODE_FLAG_NOT_DEVICE);
 		/* pdev_parent may be NULL when no bus platform device */
 		pdev_parent = of_find_device_by_node(rd->dn->parent);
 		pdev = of_platform_device_create(rd->dn, NULL,
diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index 4b7e663feee3..9af9d3f7418f 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -3862,7 +3862,6 @@ static int testdrv_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 
 	size = info->dtbo_end - info->dtbo_begin;
 	ret = of_overlay_fdt_apply(info->dtbo_begin, size, &ovcs_id, dn);
-	of_node_put(dn);
 	if (ret)
 		return ret;
 
diff --git a/drivers/parisc/lasi.c b/drivers/parisc/lasi.c
index 73c93e9cfa51..86ef05fba217 100644
--- a/drivers/parisc/lasi.c
+++ b/drivers/parisc/lasi.c
@@ -193,8 +193,7 @@ 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 */
@@ -203,8 +202,7 @@ 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);
@@ -214,6 +212,12 @@ static int __init lasi_init_chip(struct parisc_device *dev)
 		SYS_OFF_PRIO_DEFAULT, lasi_power_off, lasi);
 
 	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/endpoint/functions/pci-epf-mhi.c b/drivers/pci/endpoint/functions/pci-epf-mhi.c
index 87154992ea11..e5a7d1735649 100644
--- a/drivers/pci/endpoint/functions/pci-epf-mhi.c
+++ b/drivers/pci/endpoint/functions/pci-epf-mhi.c
@@ -331,6 +331,8 @@ static int pci_epf_mhi_edma_read(struct mhi_ep_cntrl *mhi_cntrl,
 		dev_err(dev, "DMA transfer timeout\n");
 		dmaengine_terminate_sync(chan);
 		ret = -ETIMEDOUT;
+	} else {
+		ret = 0;
 	}
 
 err_unmap:
@@ -402,6 +404,8 @@ static int pci_epf_mhi_edma_write(struct mhi_ep_cntrl *mhi_cntrl,
 		dev_err(dev, "DMA transfer timeout\n");
 		dmaengine_terminate_sync(chan);
 		ret = -ETIMEDOUT;
+	} else {
+		ret = 0;
 	}
 
 err_unmap:
diff --git a/drivers/pci/endpoint/functions/pci-epf-ntb.c b/drivers/pci/endpoint/functions/pci-epf-ntb.c
index 9aac2c6f3bb9..b759b4e0bfb5 100644
--- a/drivers/pci/endpoint/functions/pci-epf-ntb.c
+++ b/drivers/pci/endpoint/functions/pci-epf-ntb.c
@@ -1494,47 +1494,6 @@ static int epf_ntb_db_mw_bar_init(struct epf_ntb *ntb,
 	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/pci.c b/drivers/pci/pci.c
index b82927905968..a21192ec5689 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -2426,10 +2426,9 @@ EXPORT_SYMBOL_GPL(pci_set_pcie_reset_state);
 #ifdef CONFIG_PCIEAER
 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);
 }
 #endif
 
diff --git a/drivers/pci/pcie/aer.c b/drivers/pci/pcie/aer.c
index 42a0f86b72fa..608908552daf 100644
--- a/drivers/pci/pcie/aer.c
+++ b/drivers/pci/pcie/aer.c
@@ -849,8 +849,6 @@ 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/platform/x86/hp/hp-wmi.c b/drivers/platform/x86/hp/hp-wmi.c
index 8ebb7be52ee7..9ac5ecc9833a 100644
--- a/drivers/platform/x86/hp/hp-wmi.c
+++ b/drivers/platform/x86/hp/hp-wmi.c
@@ -238,6 +238,11 @@ 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/power/supply/axp288_charger.c b/drivers/power/supply/axp288_charger.c
index ac05942e4e6a..ca52c2c82b2c 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>
@@ -821,14 +822,6 @@ 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;
@@ -911,12 +904,12 @@ 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);
@@ -926,8 +919,12 @@ 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 ab97dd7ca5cb..32a0a05a15e2 100644
--- a/drivers/power/supply/max17042_battery.c
+++ b/drivers/power/supply/max17042_battery.c
@@ -199,7 +199,7 @@ 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/pwm/pwm-imx-tpm.c b/drivers/pwm/pwm-imx-tpm.c
index 6591f8f84ce8..7a46bb49d51b 100644
--- a/drivers/pwm/pwm-imx-tpm.c
+++ b/drivers/pwm/pwm-imx-tpm.c
@@ -350,6 +350,7 @@ static int pwm_imx_tpm_probe(struct platform_device *pdev)
 {
 	struct imx_tpm_pwm_chip *tpm;
 	int ret;
+	unsigned int i;
 	u32 val;
 
 	tpm = devm_kzalloc(&pdev->dev, sizeof(*tpm), GFP_KERNEL);
@@ -383,6 +384,13 @@ static int pwm_imx_tpm_probe(struct platform_device *pdev)
 
 	mutex_init(&tpm->lock);
 
+	/* count the enabled channels */
+	for (i = 0; i < tpm->chip.npwm; ++i) {
+		val = readl(tpm->base + PWM_IMX_TPM_CnSC(i));
+		if (FIELD_GET(PWM_IMX_TPM_CnSC_ELS, val))
+			++tpm->enable_count;
+	}
+
 	ret = pwmchip_add(&tpm->chip);
 	if (ret) {
 		dev_err(&pdev->dev, "failed to add PWM chip: %d\n", ret);
diff --git a/drivers/regulator/act8945a-regulator.c b/drivers/regulator/act8945a-regulator.c
index 24cbdd833863..5bbe2bce740e 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 d469481d8442..21b07ad7afe6 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 94abfbb2bc1e..16e9f85442c6 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/regulator/mt6357-regulator.c b/drivers/regulator/mt6357-regulator.c
index c0439a4e0b50..01af473d515e 100644
--- a/drivers/regulator/mt6357-regulator.c
+++ b/drivers/regulator/mt6357-regulator.c
@@ -410,7 +410,7 @@ static int mt6357_regulator_probe(struct platform_device *pdev)
 	struct regulator_dev *rdev;
 	int i;
 
-	pdev->dev.of_node = pdev->dev.parent->of_node;
+	device_set_of_node_from_dev(&pdev->dev, pdev->dev.parent);
 
 	for (i = 0; i < MT6357_MAX_REGULATOR; i++) {
 		config.dev = &pdev->dev;
diff --git a/drivers/regulator/rk808-regulator.c b/drivers/regulator/rk808-regulator.c
index bec22a001a5d..56edf81e57fd 100644
--- a/drivers/regulator/rk808-regulator.c
+++ b/drivers/regulator/rk808-regulator.c
@@ -1674,8 +1674,7 @@ static int rk808_regulator_probe(struct platform_device *pdev)
 	struct regmap *regmap;
 	int ret, i, nregulators;
 
-	pdev->dev.of_node = pdev->dev.parent->of_node;
-	pdev->dev.of_node_reused = true;
+	device_set_of_node_from_dev(&pdev->dev, pdev->dev.parent);
 
 	regmap = dev_get_regmap(pdev->dev.parent, NULL);
 	if (!regmap)
diff --git a/drivers/remoteproc/xlnx_r5_remoteproc.c b/drivers/remoteproc/xlnx_r5_remoteproc.c
index feca6de68da2..425b905dc86d 100644
--- a/drivers/remoteproc/xlnx_r5_remoteproc.c
+++ b/drivers/remoteproc/xlnx_r5_remoteproc.c
@@ -179,17 +179,19 @@ static void zynqmp_r5_mb_rx_cb(struct mbox_client *cl, void *msg)
 
 	ipi = container_of(cl, struct mbox_info, mbox_cl);
 
-	/* copy data from ipi buffer to r5_core */
+	/* copy data from ipi buffer to r5_core if IPI is buffered. */
 	ipi_msg = (struct zynqmp_ipi_message *)msg;
-	buf_msg = (struct zynqmp_ipi_message *)ipi->rx_mc_buf;
-	len = ipi_msg->len;
-	if (len > IPI_BUF_LEN_MAX) {
-		dev_warn(cl->dev, "msg size exceeded than %d\n",
-			 IPI_BUF_LEN_MAX);
-		len = IPI_BUF_LEN_MAX;
+	if (ipi_msg) {
+		buf_msg = (struct zynqmp_ipi_message *)ipi->rx_mc_buf;
+		len = ipi_msg->len;
+		if (len > IPI_BUF_LEN_MAX) {
+			dev_warn(cl->dev, "msg size exceeded than %d\n",
+				 IPI_BUF_LEN_MAX);
+			len = IPI_BUF_LEN_MAX;
+		}
+		buf_msg->len = len;
+		memcpy(buf_msg->data, ipi_msg->data, len);
 	}
-	buf_msg->len = len;
-	memcpy(buf_msg->data, ipi_msg->data, len);
 
 	/* received and processed interrupt ack */
 	if (mbox_send_message(ipi->rx_chan, NULL) < 0)
diff --git a/drivers/rtc/rtc-ntxec.c b/drivers/rtc/rtc-ntxec.c
index 850ca49186fd..d28ddb34e19e 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/scsi/sd.c b/drivers/scsi/sd.c
index 873c920eb0cf..8cb10cb78b1d 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -3727,6 +3727,7 @@ static int sd_probe(struct device *dev)
 	error = device_add(&sdkp->disk_dev);
 	if (error) {
 		put_device(&sdkp->disk_dev);
+		put_disk(gd);
 		goto out;
 	}
 
diff --git a/drivers/spi/spi-at91-usart.c b/drivers/spi/spi-at91-usart.c
index b11d0f993cc7..8719d1a99189 100644
--- a/drivers/spi/spi-at91-usart.c
+++ b/drivers/spi/spi-at91-usart.c
@@ -570,7 +570,7 @@ static int at91_usart_spi_probe(struct platform_device *pdev)
 	spin_lock_init(&aus->lock);
 	init_completion(&aus->xfer_completion);
 
-	ret = devm_spi_register_controller(&pdev->dev, controller);
+	ret = spi_register_controller(controller);
 	if (ret)
 		goto at91_usart_fail_register_controller;
 
@@ -648,8 +648,14 @@ static void at91_usart_spi_remove(struct platform_device *pdev)
 	struct spi_controller *ctlr = platform_get_drvdata(pdev);
 	struct at91_usart_spi *aus = spi_controller_get_devdata(ctlr);
 
+	spi_controller_get(ctlr);
+
+	spi_unregister_controller(ctlr);
+
 	at91_usart_spi_release_dma(ctlr);
 	clk_disable_unprepare(aus->clk);
+
+	spi_controller_put(ctlr);
 }
 
 static const struct dev_pm_ops at91_usart_spi_pm_ops = {
diff --git a/drivers/spi/spi-atmel.c b/drivers/spi/spi-atmel.c
index e073d54873b1..c9666be85f53 100644
--- a/drivers/spi/spi-atmel.c
+++ b/drivers/spi/spi-atmel.c
@@ -1647,7 +1647,7 @@ static int atmel_spi_probe(struct platform_device *pdev)
 	pm_runtime_set_active(&pdev->dev);
 	pm_runtime_enable(&pdev->dev);
 
-	ret = devm_spi_register_controller(&pdev->dev, host);
+	ret = spi_register_controller(host);
 	if (ret)
 		goto out_free_dma;
 
@@ -1679,8 +1679,12 @@ static void atmel_spi_remove(struct platform_device *pdev)
 	struct spi_controller	*host = platform_get_drvdata(pdev);
 	struct atmel_spi	*as = spi_controller_get_devdata(host);
 
+	spi_controller_get(host);
+
 	pm_runtime_get_sync(&pdev->dev);
 
+	spi_unregister_controller(host);
+
 	/* reset the hardware and block queue progress */
 	if (as->use_dma) {
 		atmel_spi_stop_dma(host);
@@ -1705,6 +1709,8 @@ static void atmel_spi_remove(struct platform_device *pdev)
 
 	pm_runtime_put_noidle(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);
+
+	spi_controller_put(host);
 }
 
 static int atmel_spi_runtime_suspend(struct device *dev)
diff --git a/drivers/spi/spi-bcm63xx.c b/drivers/spi/spi-bcm63xx.c
index ba66fe9f1f54..746a61095ad4 100644
--- a/drivers/spi/spi-bcm63xx.c
+++ b/drivers/spi/spi-bcm63xx.c
@@ -603,7 +603,7 @@ static int bcm63xx_spi_probe(struct platform_device *pdev)
 		goto out_clk_disable;
 
 	/* register and we are done */
-	ret = devm_spi_register_controller(dev, host);
+	ret = spi_register_controller(host);
 	if (ret) {
 		dev_err(dev, "spi register failed\n");
 		goto out_clk_disable;
@@ -626,11 +626,17 @@ static void bcm63xx_spi_remove(struct platform_device *pdev)
 	struct spi_controller *host = platform_get_drvdata(pdev);
 	struct bcm63xx_spi *bs = spi_controller_get_devdata(host);
 
+	spi_controller_get(host);
+
+	spi_unregister_controller(host);
+
 	/* reset spi block */
 	bcm_spi_writeb(bs, 0, SPI_INT_MASK);
 
 	/* HW shutdown */
 	clk_disable_unprepare(bs->clk);
+
+	spi_controller_put(host);
 }
 
 static int bcm63xx_spi_suspend(struct device *dev)
diff --git a/drivers/spi/spi-bcmbca-hsspi.c b/drivers/spi/spi-bcmbca-hsspi.c
index 4965bc86d7f5..6f71639aea03 100644
--- a/drivers/spi/spi-bcmbca-hsspi.c
+++ b/drivers/spi/spi-bcmbca-hsspi.c
@@ -557,7 +557,7 @@ static int bcmbca_hsspi_probe(struct platform_device *pdev)
 	}
 
 	/* register and we are done */
-	ret = devm_spi_register_controller(dev, host);
+	ret = spi_register_controller(host);
 	if (ret)
 		goto out_sysgroup_disable;
 
@@ -581,6 +581,8 @@ static void bcmbca_hsspi_remove(struct platform_device *pdev)
 	struct spi_controller *host = platform_get_drvdata(pdev);
 	struct bcmbca_hsspi *bs = spi_controller_get_devdata(host);
 
+	spi_unregister_controller(host);
+
 	/* reset the hardware and block queue progress */
 	__raw_writel(0, bs->regs + HSSPI_INT_MASK_REG);
 	clk_disable_unprepare(bs->pll_clk);
diff --git a/drivers/spi/spi-cadence.c b/drivers/spi/spi-cadence.c
index 81edf0a3ddf8..c6579db42eff 100644
--- a/drivers/spi/spi-cadence.c
+++ b/drivers/spi/spi-cadence.c
@@ -685,15 +685,26 @@ static void cdns_spi_remove(struct platform_device *pdev)
 {
 	struct spi_controller *ctlr = platform_get_drvdata(pdev);
 	struct cdns_spi *xspi = spi_controller_get_devdata(ctlr);
+	int ret = 0;
 
-	cdns_spi_write(xspi, CDNS_SPI_ER, CDNS_SPI_ER_DISABLE);
+	if (!spi_controller_is_target(ctlr))
+		ret = pm_runtime_get_sync(&pdev->dev);
+
+	spi_controller_get(ctlr);
+
+	spi_unregister_controller(ctlr);
+
+	if (ret >= 0)
+		cdns_spi_write(xspi, CDNS_SPI_ER, CDNS_SPI_ER_DISABLE);
 
 	if (!spi_controller_is_target(ctlr)) {
 		pm_runtime_disable(&pdev->dev);
 		pm_runtime_set_suspended(&pdev->dev);
+		pm_runtime_put_noidle(&pdev->dev);
+		pm_runtime_dont_use_autosuspend(&pdev->dev);
 	}
 
-	spi_unregister_controller(ctlr);
+	spi_controller_put(ctlr);
 }
 
 /**
diff --git a/drivers/spi/spi-coldfire-qspi.c b/drivers/spi/spi-coldfire-qspi.c
index b341b6908df0..d6725a587483 100644
--- a/drivers/spi/spi-coldfire-qspi.c
+++ b/drivers/spi/spi-coldfire-qspi.c
@@ -410,9 +410,9 @@ static int mcfqspi_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, host);
 	pm_runtime_enable(&pdev->dev);
 
-	status = devm_spi_register_controller(&pdev->dev, host);
+	status = spi_register_controller(host);
 	if (status) {
-		dev_dbg(&pdev->dev, "devm_spi_register_controller failed\n");
+		dev_dbg(&pdev->dev, "failed to register controller\n");
 		goto fail1;
 	}
 
@@ -436,11 +436,17 @@ static void mcfqspi_remove(struct platform_device *pdev)
 	struct spi_controller *host = platform_get_drvdata(pdev);
 	struct mcfqspi *mcfqspi = spi_controller_get_devdata(host);
 
+	spi_controller_get(host);
+
+	spi_unregister_controller(host);
+
 	pm_runtime_disable(&pdev->dev);
 	/* disable the hardware (set the baud rate to 0) */
 	mcfqspi_wr_qmr(mcfqspi, MCFQSPI_QMR_MSTR);
 
 	mcfqspi_cs_teardown(mcfqspi);
+
+	spi_controller_put(host);
 }
 
 #ifdef CONFIG_PM_SLEEP
diff --git a/drivers/spi/spi-dln2.c b/drivers/spi/spi-dln2.c
index d319dc357fef..29720f8959dc 100644
--- a/drivers/spi/spi-dln2.c
+++ b/drivers/spi/spi-dln2.c
@@ -761,7 +761,7 @@ static int dln2_spi_probe(struct platform_device *pdev)
 	pm_runtime_set_active(&pdev->dev);
 	pm_runtime_enable(&pdev->dev);
 
-	ret = devm_spi_register_controller(&pdev->dev, host);
+	ret = spi_register_controller(host);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "Failed to register host\n");
 		goto exit_register;
@@ -786,10 +786,16 @@ static void dln2_spi_remove(struct platform_device *pdev)
 	struct spi_controller *host = platform_get_drvdata(pdev);
 	struct dln2_spi *dln2 = spi_controller_get_devdata(host);
 
+	spi_controller_get(host);
+
+	spi_unregister_controller(host);
+
 	pm_runtime_disable(&pdev->dev);
 
 	if (dln2_spi_enable(dln2, false) < 0)
 		dev_err(&pdev->dev, "Failed to disable SPI module\n");
+
+	spi_controller_put(host);
 }
 
 #ifdef CONFIG_PM_SLEEP
diff --git a/drivers/spi/spi-fsl-espi.c b/drivers/spi/spi-fsl-espi.c
index ea647ee94da8..c77b5b28ff50 100644
--- a/drivers/spi/spi-fsl-espi.c
+++ b/drivers/spi/spi-fsl-espi.c
@@ -720,7 +720,7 @@ static int fsl_espi_probe(struct device *dev, struct resource *mem,
 	pm_runtime_enable(dev);
 	pm_runtime_get_sync(dev);
 
-	ret = devm_spi_register_controller(dev, host);
+	ret = spi_register_controller(host);
 	if (ret < 0)
 		goto err_pm;
 
@@ -785,7 +785,15 @@ static int of_fsl_espi_probe(struct platform_device *ofdev)
 
 static void of_fsl_espi_remove(struct platform_device *dev)
 {
+	struct spi_controller *host = platform_get_drvdata(dev);
+
+	spi_controller_get(host);
+
+	spi_unregister_controller(host);
+
 	pm_runtime_disable(&dev->dev);
+
+	spi_controller_put(host);
 }
 
 #ifdef CONFIG_PM_SLEEP
diff --git a/drivers/spi/spi-fsl-spi.c b/drivers/spi/spi-fsl-spi.c
index 750e2cd2594d..8c4db3537790 100644
--- a/drivers/spi/spi-fsl-spi.c
+++ b/drivers/spi/spi-fsl-spi.c
@@ -615,7 +615,7 @@ static struct spi_controller *fsl_spi_probe(struct device *dev,
 
 	mpc8xxx_spi_write_reg(&reg_base->mode, regval);
 
-	ret = devm_spi_register_controller(dev, host);
+	ret = spi_register_controller(host);
 	if (ret < 0)
 		goto err_probe;
 
@@ -706,7 +706,13 @@ static void of_fsl_spi_remove(struct platform_device *ofdev)
 	struct spi_controller *host = platform_get_drvdata(ofdev);
 	struct mpc8xxx_spi *mpc8xxx_spi = spi_controller_get_devdata(host);
 
+	spi_controller_get(host);
+
+	spi_unregister_controller(host);
+
 	fsl_spi_cpm_free(mpc8xxx_spi);
+
+	spi_controller_put(host);
 }
 
 static struct platform_driver of_fsl_spi_driver = {
@@ -752,7 +758,13 @@ static void plat_mpc8xxx_spi_remove(struct platform_device *pdev)
 	struct spi_controller *host = platform_get_drvdata(pdev);
 	struct mpc8xxx_spi *mpc8xxx_spi = spi_controller_get_devdata(host);
 
+	spi_controller_get(host);
+
+	spi_unregister_controller(host);
+
 	fsl_spi_cpm_free(mpc8xxx_spi);
+
+	spi_controller_put(host);
 }
 
 MODULE_ALIAS("platform:mpc8xxx_spi");
diff --git a/drivers/spi/spi-img-spfi.c b/drivers/spi/spi-img-spfi.c
index d8360f94d3b7..1e2a8cf9290f 100644
--- a/drivers/spi/spi-img-spfi.c
+++ b/drivers/spi/spi-img-spfi.c
@@ -644,7 +644,7 @@ static int img_spfi_probe(struct platform_device *pdev)
 	pm_runtime_set_active(spfi->dev);
 	pm_runtime_enable(spfi->dev);
 
-	ret = devm_spi_register_controller(spfi->dev, host);
+	ret = spi_register_controller(host);
 	if (ret)
 		goto disable_pm;
 
@@ -670,6 +670,10 @@ static void img_spfi_remove(struct platform_device *pdev)
 	struct spi_controller *host = platform_get_drvdata(pdev);
 	struct img_spfi *spfi = spi_controller_get_devdata(host);
 
+	spi_controller_get(host);
+
+	spi_unregister_controller(host);
+
 	if (spfi->tx_ch)
 		dma_release_channel(spfi->tx_ch);
 	if (spfi->rx_ch)
@@ -680,6 +684,8 @@ static void img_spfi_remove(struct platform_device *pdev)
 		clk_disable_unprepare(spfi->spfi_clk);
 		clk_disable_unprepare(spfi->sys_clk);
 	}
+
+	spi_controller_put(host);
 }
 
 #ifdef CONFIG_PM
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c
index 76f8747c2943..8b5da079d684 100644
--- a/drivers/spi/spi-imx.c
+++ b/drivers/spi/spi-imx.c
@@ -1881,6 +1881,7 @@ static int spi_imx_probe(struct platform_device *pdev)
 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);
@@ -1898,6 +1899,8 @@ static void spi_imx_remove(struct platform_device *pdev)
 	struct spi_imx_data *spi_imx = spi_controller_get_devdata(controller);
 	int ret;
 
+	spi_controller_get(controller);
+
 	spi_unregister_controller(controller);
 
 	ret = pm_runtime_get_sync(spi_imx->dev);
@@ -1911,6 +1914,8 @@ static void spi_imx_remove(struct platform_device *pdev)
 	pm_runtime_disable(spi_imx->dev);
 
 	spi_imx_sdma_exit(spi_imx);
+
+	spi_controller_put(controller);
 }
 
 static int __maybe_unused spi_imx_runtime_resume(struct device *dev)
diff --git a/drivers/spi/spi-lantiq-ssc.c b/drivers/spi/spi-lantiq-ssc.c
index 938e9e577e4f..a852d23caa4d 100644
--- a/drivers/spi/spi-lantiq-ssc.c
+++ b/drivers/spi/spi-lantiq-ssc.c
@@ -998,7 +998,7 @@ static int lantiq_ssc_probe(struct platform_device *pdev)
 		"Lantiq SSC SPI controller (Rev %i, TXFS %u, RXFS %u, DMA %u)\n",
 		revision, spi->tx_fifo_size, spi->rx_fifo_size, supports_dma);
 
-	err = devm_spi_register_controller(dev, host);
+	err = spi_register_controller(host);
 	if (err) {
 		dev_err(dev, "failed to register spi host\n");
 		goto err_wq_destroy;
@@ -1022,6 +1022,10 @@ static void lantiq_ssc_remove(struct platform_device *pdev)
 {
 	struct lantiq_ssc_spi *spi = platform_get_drvdata(pdev);
 
+	spi_controller_get(spi->host);
+
+	spi_unregister_controller(spi->host);
+
 	lantiq_ssc_writel(spi, 0, LTQ_SPI_IRNEN);
 	lantiq_ssc_writel(spi, 0, LTQ_SPI_CLC);
 	rx_fifo_flush(spi);
@@ -1031,6 +1035,8 @@ static void lantiq_ssc_remove(struct platform_device *pdev)
 	destroy_workqueue(spi->wq);
 	clk_disable_unprepare(spi->spi_clk);
 	clk_put(spi->fpi_clk);
+
+	spi_controller_put(spi->host);
 }
 
 static struct platform_driver lantiq_ssc_driver = {
diff --git a/drivers/spi/spi-meson-spicc.c b/drivers/spi/spi-meson-spicc.c
index 43d134f4b42b..de8cf91658fd 100644
--- a/drivers/spi/spi-meson-spicc.c
+++ b/drivers/spi/spi-meson-spicc.c
@@ -918,8 +918,6 @@ static void meson_spicc_remove(struct platform_device *pdev)
 
 	clk_disable_unprepare(spicc->core);
 	clk_disable_unprepare(spicc->pclk);
-
-	spi_master_put(spicc->master);
 }
 
 static const struct meson_spicc_data meson_spicc_gx_data = {
diff --git a/drivers/spi/spi-microchip-core-qspi.c b/drivers/spi/spi-microchip-core-qspi.c
index 32a0fa4ba50f..160861891b46 100644
--- a/drivers/spi/spi-microchip-core-qspi.c
+++ b/drivers/spi/spi-microchip-core-qspi.c
@@ -512,37 +512,30 @@ static int mchp_coreqspi_probe(struct platform_device *pdev)
 				     "unable to allocate master for QSPI controller\n");
 
 	qspi = spi_controller_get_devdata(ctlr);
-	platform_set_drvdata(pdev, qspi);
+	platform_set_drvdata(pdev, ctlr);
 
 	qspi->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(qspi->regs))
 		return dev_err_probe(&pdev->dev, PTR_ERR(qspi->regs),
 				     "failed to map registers\n");
 
-	qspi->clk = devm_clk_get(&pdev->dev, NULL);
+	qspi->clk = devm_clk_get_enabled(&pdev->dev, NULL);
 	if (IS_ERR(qspi->clk))
 		return dev_err_probe(&pdev->dev, PTR_ERR(qspi->clk),
 				     "could not get clock\n");
 
-	ret = clk_prepare_enable(qspi->clk);
-	if (ret)
-		return dev_err_probe(&pdev->dev, ret,
-				     "failed to enable clock\n");
-
 	init_completion(&qspi->data_completion);
 	mutex_init(&qspi->op_lock);
 
 	qspi->irq = platform_get_irq(pdev, 0);
-	if (qspi->irq < 0) {
-		ret = qspi->irq;
-		goto out;
-	}
+	if (qspi->irq < 0)
+		return qspi->irq;
 
 	ret = devm_request_irq(&pdev->dev, qspi->irq, mchp_coreqspi_isr,
 			       IRQF_SHARED, pdev->name, qspi);
 	if (ret) {
 		dev_err(&pdev->dev, "request_irq failed %d\n", ret);
-		goto out;
+		return ret;
 	}
 
 	ctlr->bits_per_word_mask = SPI_BPW_MASK(8);
@@ -552,30 +545,26 @@ static int mchp_coreqspi_probe(struct platform_device *pdev)
 			  SPI_TX_DUAL | SPI_TX_QUAD;
 	ctlr->dev.of_node = np;
 
-	ret = devm_spi_register_controller(&pdev->dev, ctlr);
-	if (ret) {
-		dev_err_probe(&pdev->dev, ret,
-			      "spi_register_controller failed\n");
-		goto out;
-	}
+	ret = spi_register_controller(ctlr);
+	if (ret)
+		return dev_err_probe(&pdev->dev, ret,
+				     "spi_register_controller failed\n");
 
 	return 0;
-
-out:
-	clk_disable_unprepare(qspi->clk);
-
-	return ret;
 }
 
 static void mchp_coreqspi_remove(struct platform_device *pdev)
 {
-	struct mchp_coreqspi *qspi = platform_get_drvdata(pdev);
-	u32 control = readl_relaxed(qspi->regs + REG_CONTROL);
+	struct spi_controller *ctlr = platform_get_drvdata(pdev);
+	struct mchp_coreqspi *qspi = spi_controller_get_devdata(ctlr);
+	u32 control;
 
+	spi_unregister_controller(ctlr);
+
+	control = readl_relaxed(qspi->regs + REG_CONTROL);
 	mchp_coreqspi_disable_ints(qspi);
 	control &= ~CONTROL_ENABLE;
 	writel_relaxed(control, qspi->regs + REG_CONTROL);
-	clk_disable_unprepare(qspi->clk);
 }
 
 static const struct of_device_id mchp_coreqspi_of_match[] = {
diff --git a/drivers/spi/spi-mpc52xx.c b/drivers/spi/spi-mpc52xx.c
index b8e2d9263fc8..16ab333af009 100644
--- a/drivers/spi/spi-mpc52xx.c
+++ b/drivers/spi/spi-mpc52xx.c
@@ -519,10 +519,11 @@ static void 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++)
 		gpiod_put(ms->gpio_cs[i]);
 
diff --git a/drivers/spi/spi-mtk-nor.c b/drivers/spi/spi-mtk-nor.c
index cf4ee8b19e42..d20c3984f2a0 100644
--- a/drivers/spi/spi-mtk-nor.c
+++ b/drivers/spi/spi-mtk-nor.c
@@ -914,7 +914,7 @@ 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;
 
@@ -940,6 +940,8 @@ static void 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-omap2-mcspi.c b/drivers/spi/spi-omap2-mcspi.c
index 35ca8fda45aa..c955741f0c73 100644
--- a/drivers/spi/spi-omap2-mcspi.c
+++ b/drivers/spi/spi-omap2-mcspi.c
@@ -1541,7 +1541,7 @@ static int omap2_mcspi_probe(struct platform_device *pdev)
 	if (status < 0)
 		goto disable_pm;
 
-	status = devm_spi_register_controller(&pdev->dev, ctlr);
+	status = spi_register_controller(ctlr);
 	if (status < 0)
 		goto disable_pm;
 
@@ -1562,11 +1562,17 @@ static void omap2_mcspi_remove(struct platform_device *pdev)
 	struct spi_controller *ctlr = platform_get_drvdata(pdev);
 	struct omap2_mcspi *mcspi = spi_controller_get_devdata(ctlr);
 
+	spi_controller_get(ctlr);
+
+	spi_unregister_controller(ctlr);
+
 	omap2_mcspi_release_dma(ctlr);
 
 	pm_runtime_dont_use_autosuspend(mcspi->dev);
 	pm_runtime_put_sync(mcspi->dev);
 	pm_runtime_disable(&pdev->dev);
+
+	spi_controller_put(ctlr);
 }
 
 /* work with hotplug and coldplug */
diff --git a/drivers/spi/spi-orion.c b/drivers/spi/spi-orion.c
index 1f10f5c8e34d..77dc56ac6dfa 100644
--- a/drivers/spi/spi-orion.c
+++ b/drivers/spi/spi-orion.c
@@ -778,6 +778,7 @@ 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);
@@ -789,10 +790,15 @@ 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:
@@ -814,6 +820,9 @@ static void orion_spi_remove(struct platform_device *pdev)
 
 	spi_unregister_controller(host);
 	pm_runtime_disable(&pdev->dev);
+	pm_runtime_put_noidle(&pdev->dev);
+	pm_runtime_set_suspended(&pdev->dev);
+	pm_runtime_dont_use_autosuspend(&pdev->dev);
 }
 
 MODULE_ALIAS("platform:" DRIVER_NAME);
diff --git a/drivers/spi/spi-qup.c b/drivers/spi/spi-qup.c
index 4b6f6b25219b..1e9cd86d9dcc 100644
--- a/drivers/spi/spi-qup.c
+++ b/drivers/spi/spi-qup.c
@@ -1149,7 +1149,7 @@ static int spi_qup_probe(struct platform_device *pdev)
 	pm_runtime_set_active(dev);
 	pm_runtime_enable(dev);
 
-	ret = devm_spi_register_controller(dev, host);
+	ret = spi_register_controller(host);
 	if (ret)
 		goto disable_pm;
 
@@ -1274,6 +1274,10 @@ static void spi_qup_remove(struct platform_device *pdev)
 	struct spi_qup *controller = spi_controller_get_devdata(host);
 	int ret;
 
+	spi_controller_get(host);
+
+	spi_unregister_controller(host);
+
 	ret = pm_runtime_get_sync(&pdev->dev);
 
 	if (ret >= 0) {
@@ -1293,6 +1297,8 @@ static void spi_qup_remove(struct platform_device *pdev)
 
 	pm_runtime_put_noidle(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);
+
+	spi_controller_put(host);
 }
 
 static const struct of_device_id spi_qup_dt_match[] = {
diff --git a/drivers/spi/spi-rockchip.c b/drivers/spi/spi-rockchip.c
index 1615f935c8f0..9e160cba1ff3 100644
--- a/drivers/spi/spi-rockchip.c
+++ b/drivers/spi/spi-rockchip.c
@@ -921,7 +921,7 @@ 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;
@@ -957,6 +957,8 @@ static void 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-rspi.c b/drivers/spi/spi-rspi.c
index 8e81f1a8623f..3a4f9a276cf5 100644
--- a/drivers/spi/spi-rspi.c
+++ b/drivers/spi/spi-rspi.c
@@ -1176,8 +1176,14 @@ static void rspi_remove(struct platform_device *pdev)
 {
 	struct rspi_data *rspi = platform_get_drvdata(pdev);
 
+	spi_controller_get(rspi->ctlr);
+
+	spi_unregister_controller(rspi->ctlr);
+
 	rspi_release_dma(rspi->ctlr);
 	pm_runtime_disable(&pdev->dev);
+
+	spi_controller_put(rspi->ctlr);
 }
 
 static const struct spi_ops rspi_ops = {
@@ -1387,9 +1393,9 @@ static int rspi_probe(struct platform_device *pdev)
 	if (ret < 0)
 		dev_warn(&pdev->dev, "DMA not available, using PIO\n");
 
-	ret = devm_spi_register_controller(&pdev->dev, ctlr);
+	ret = spi_register_controller(ctlr);
 	if (ret < 0) {
-		dev_err(&pdev->dev, "devm_spi_register_controller error.\n");
+		dev_err(&pdev->dev, "failed to register controller\n");
 		goto error3;
 	}
 
diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c
index f699ce1b4025..4d50d3bf721b 100644
--- a/drivers/spi/spi-s3c64xx.c
+++ b/drivers/spi/spi-s3c64xx.c
@@ -1305,7 +1305,7 @@ static int s3c64xx_spi_probe(struct platform_device *pdev)
 	       S3C64XX_SPI_INT_TX_OVERRUN_EN | S3C64XX_SPI_INT_TX_UNDERRUN_EN,
 	       sdd->regs + S3C64XX_SPI_INT_EN);
 
-	ret = devm_spi_register_controller(&pdev->dev, host);
+	ret = spi_register_controller(host);
 	if (ret != 0) {
 		dev_err(&pdev->dev, "cannot register SPI host: %d\n", ret);
 		goto err_pm_put;
@@ -1336,12 +1336,9 @@ static void s3c64xx_spi_remove(struct platform_device *pdev)
 
 	pm_runtime_get_sync(&pdev->dev);
 
-	writel(0, sdd->regs + S3C64XX_SPI_INT_EN);
+	spi_unregister_controller(host);
 
-	if (!is_polling(sdd)) {
-		dma_release_channel(sdd->rx_dma.ch);
-		dma_release_channel(sdd->tx_dma.ch);
-	}
+	writel(0, sdd->regs + S3C64XX_SPI_INT_EN);
 
 	pm_runtime_put_noidle(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);
diff --git a/drivers/spi/spi-sh-hspi.c b/drivers/spi/spi-sh-hspi.c
index 5d63aa1d28e2..00b1b2099d15 100644
--- a/drivers/spi/spi-sh-hspi.c
+++ b/drivers/spi/spi-sh-hspi.c
@@ -258,9 +258,9 @@ static int hspi_probe(struct platform_device *pdev)
 	ctlr->transfer_one_message = hspi_transfer_one_message;
 	ctlr->bits_per_word_mask = SPI_BPW_MASK(8);
 
-	ret = devm_spi_register_controller(&pdev->dev, ctlr);
+	ret = spi_register_controller(ctlr);
 	if (ret < 0) {
-		dev_err(&pdev->dev, "devm_spi_register_controller error.\n");
+		dev_err(&pdev->dev, "failed to register controller\n");
 		goto error2;
 	}
 
@@ -280,9 +280,15 @@ static void hspi_remove(struct platform_device *pdev)
 {
 	struct hspi_priv *hspi = platform_get_drvdata(pdev);
 
+	spi_controller_get(hspi->ctlr);
+
+	spi_unregister_controller(hspi->ctlr);
+
 	pm_runtime_disable(&pdev->dev);
 
 	clk_put(hspi->clk);
+
+	spi_controller_put(hspi->ctlr);
 }
 
 static const struct of_device_id hspi_of_match[] = {
diff --git a/drivers/spi/spi-sprd.c b/drivers/spi/spi-sprd.c
index 95377cf748c0..4ba822ee491a 100644
--- a/drivers/spi/spi-sprd.c
+++ b/drivers/spi/spi-sprd.c
@@ -978,7 +978,7 @@ static int sprd_spi_probe(struct platform_device *pdev)
 		goto err_rpm_put;
 	}
 
-	ret = devm_spi_register_controller(&pdev->dev, sctlr);
+	ret = spi_register_controller(sctlr);
 	if (ret)
 		goto err_rpm_put;
 
@@ -1010,7 +1010,9 @@ static void sprd_spi_remove(struct platform_device *pdev)
 	if (ret < 0)
 		dev_err(ss->dev, "failed to resume SPI controller\n");
 
-	spi_controller_suspend(sctlr);
+	spi_controller_get(sctlr);
+
+	spi_unregister_controller(sctlr);
 
 	if (ret >= 0) {
 		if (ss->dma.enable)
@@ -1019,6 +1021,8 @@ static void sprd_spi_remove(struct platform_device *pdev)
 	}
 	pm_runtime_put_noidle(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);
+
+	spi_controller_put(sctlr);
 }
 
 static int __maybe_unused sprd_spi_runtime_suspend(struct device *dev)
diff --git a/drivers/spi/spi-sun4i.c b/drivers/spi/spi-sun4i.c
index 5b2cb225a419..365651504212 100644
--- a/drivers/spi/spi-sun4i.c
+++ b/drivers/spi/spi-sun4i.c
@@ -75,7 +75,7 @@
 #define SUN4I_FIFO_STA_TF_CNT_BITS		16
 
 struct sun4i_spi {
-	struct spi_master	*master;
+	struct spi_controller	*host;
 	void __iomem		*base_addr;
 	struct clk		*hclk;
 	struct clk		*mclk;
@@ -161,7 +161,7 @@ static inline void sun4i_spi_fill_fifo(struct sun4i_spi *sspi, int len)
 
 static void sun4i_spi_set_cs(struct spi_device *spi, bool enable)
 {
-	struct sun4i_spi *sspi = spi_master_get_devdata(spi->master);
+	struct sun4i_spi *sspi = spi_controller_get_devdata(spi->controller);
 	u32 reg;
 
 	reg = sun4i_spi_read(sspi, SUN4I_CTL_REG);
@@ -201,11 +201,11 @@ static size_t sun4i_spi_max_transfer_size(struct spi_device *spi)
 	return SUN4I_MAX_XFER_SIZE - 1;
 }
 
-static int sun4i_spi_transfer_one(struct spi_master *master,
+static int sun4i_spi_transfer_one(struct spi_controller *host,
 				  struct spi_device *spi,
 				  struct spi_transfer *tfr)
 {
-	struct sun4i_spi *sspi = spi_master_get_devdata(master);
+	struct sun4i_spi *sspi = spi_controller_get_devdata(host);
 	unsigned int mclk_rate, div, timeout;
 	unsigned int start, end, tx_time;
 	unsigned int tx_len = 0;
@@ -334,7 +334,7 @@ static int sun4i_spi_transfer_one(struct spi_master *master,
 					      msecs_to_jiffies(tx_time));
 	end = jiffies;
 	if (!timeout) {
-		dev_warn(&master->dev,
+		dev_warn(&host->dev,
 			 "%s: timeout transferring %u bytes@%iHz for %i(%i)ms",
 			 dev_name(&spi->dev), tfr->len, tfr->speed_hz,
 			 jiffies_to_msecs(end - start), tx_time);
@@ -389,8 +389,8 @@ static irqreturn_t sun4i_spi_handler(int irq, void *dev_id)
 
 static int sun4i_spi_runtime_resume(struct device *dev)
 {
-	struct spi_master *master = dev_get_drvdata(dev);
-	struct sun4i_spi *sspi = spi_master_get_devdata(master);
+	struct spi_controller *host = dev_get_drvdata(dev);
+	struct sun4i_spi *sspi = spi_controller_get_devdata(host);
 	int ret;
 
 	ret = clk_prepare_enable(sspi->hclk);
@@ -418,8 +418,8 @@ static int sun4i_spi_runtime_resume(struct device *dev)
 
 static int sun4i_spi_runtime_suspend(struct device *dev)
 {
-	struct spi_master *master = dev_get_drvdata(dev);
-	struct sun4i_spi *sspi = spi_master_get_devdata(master);
+	struct spi_controller *host = dev_get_drvdata(dev);
+	struct sun4i_spi *sspi = spi_controller_get_devdata(host);
 
 	clk_disable_unprepare(sspi->mclk);
 	clk_disable_unprepare(sspi->hclk);
@@ -429,62 +429,62 @@ static int sun4i_spi_runtime_suspend(struct device *dev)
 
 static int sun4i_spi_probe(struct platform_device *pdev)
 {
-	struct spi_master *master;
+	struct spi_controller *host;
 	struct sun4i_spi *sspi;
 	int ret = 0, irq;
 
-	master = spi_alloc_master(&pdev->dev, sizeof(struct sun4i_spi));
-	if (!master) {
-		dev_err(&pdev->dev, "Unable to allocate SPI Master\n");
+	host = spi_alloc_host(&pdev->dev, sizeof(struct sun4i_spi));
+	if (!host) {
+		dev_err(&pdev->dev, "Unable to allocate SPI Host\n");
 		return -ENOMEM;
 	}
 
-	platform_set_drvdata(pdev, master);
-	sspi = spi_master_get_devdata(master);
+	platform_set_drvdata(pdev, host);
+	sspi = spi_controller_get_devdata(host);
 
 	sspi->base_addr = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(sspi->base_addr)) {
 		ret = PTR_ERR(sspi->base_addr);
-		goto err_free_master;
+		goto err_free_host;
 	}
 
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0) {
 		ret = -ENXIO;
-		goto err_free_master;
+		goto err_free_host;
 	}
 
 	ret = devm_request_irq(&pdev->dev, irq, sun4i_spi_handler,
 			       0, "sun4i-spi", sspi);
 	if (ret) {
 		dev_err(&pdev->dev, "Cannot request IRQ\n");
-		goto err_free_master;
+		goto err_free_host;
 	}
 
-	sspi->master = master;
-	master->max_speed_hz = 100 * 1000 * 1000;
-	master->min_speed_hz = 3 * 1000;
-	master->set_cs = sun4i_spi_set_cs;
-	master->transfer_one = sun4i_spi_transfer_one;
-	master->num_chipselect = 4;
-	master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LSB_FIRST;
-	master->bits_per_word_mask = SPI_BPW_MASK(8);
-	master->dev.of_node = pdev->dev.of_node;
-	master->auto_runtime_pm = true;
-	master->max_transfer_size = sun4i_spi_max_transfer_size;
+	sspi->host = host;
+	host->max_speed_hz = 100 * 1000 * 1000;
+	host->min_speed_hz = 3 * 1000;
+	host->set_cs = sun4i_spi_set_cs;
+	host->transfer_one = sun4i_spi_transfer_one;
+	host->num_chipselect = 4;
+	host->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LSB_FIRST;
+	host->bits_per_word_mask = SPI_BPW_MASK(8);
+	host->dev.of_node = pdev->dev.of_node;
+	host->auto_runtime_pm = true;
+	host->max_transfer_size = sun4i_spi_max_transfer_size;
 
 	sspi->hclk = devm_clk_get(&pdev->dev, "ahb");
 	if (IS_ERR(sspi->hclk)) {
 		dev_err(&pdev->dev, "Unable to acquire AHB clock\n");
 		ret = PTR_ERR(sspi->hclk);
-		goto err_free_master;
+		goto err_free_host;
 	}
 
 	sspi->mclk = devm_clk_get(&pdev->dev, "mod");
 	if (IS_ERR(sspi->mclk)) {
 		dev_err(&pdev->dev, "Unable to acquire module clock\n");
 		ret = PTR_ERR(sspi->mclk);
-		goto err_free_master;
+		goto err_free_host;
 	}
 
 	init_completion(&sspi->done);
@@ -496,16 +496,16 @@ static int sun4i_spi_probe(struct platform_device *pdev)
 	ret = sun4i_spi_runtime_resume(&pdev->dev);
 	if (ret) {
 		dev_err(&pdev->dev, "Couldn't resume the device\n");
-		goto err_free_master;
+		goto err_free_host;
 	}
 
 	pm_runtime_set_active(&pdev->dev);
 	pm_runtime_enable(&pdev->dev);
 	pm_runtime_idle(&pdev->dev);
 
-	ret = devm_spi_register_master(&pdev->dev, master);
+	ret = spi_register_controller(host);
 	if (ret) {
-		dev_err(&pdev->dev, "cannot register SPI master\n");
+		dev_err(&pdev->dev, "cannot register SPI host\n");
 		goto err_pm_disable;
 	}
 
@@ -514,14 +514,22 @@ static int sun4i_spi_probe(struct platform_device *pdev)
 err_pm_disable:
 	pm_runtime_disable(&pdev->dev);
 	sun4i_spi_runtime_suspend(&pdev->dev);
-err_free_master:
-	spi_master_put(master);
+err_free_host:
+	spi_controller_put(host);
 	return ret;
 }
 
 static void sun4i_spi_remove(struct platform_device *pdev)
 {
+	struct spi_controller *host = platform_get_drvdata(pdev);
+
+	spi_controller_get(host);
+
+	spi_unregister_controller(host);
+
 	pm_runtime_force_suspend(&pdev->dev);
+
+	spi_controller_put(host);
 }
 
 static const struct of_device_id sun4i_spi_match[] = {
diff --git a/drivers/spi/spi-sun6i.c b/drivers/spi/spi-sun6i.c
index fddc63309773..c5655e3438c6 100644
--- a/drivers/spi/spi-sun6i.c
+++ b/drivers/spi/spi-sun6i.c
@@ -97,7 +97,7 @@ struct sun6i_spi_cfg {
 };
 
 struct sun6i_spi {
-	struct spi_master	*master;
+	struct spi_controller	*host;
 	void __iomem		*base_addr;
 	dma_addr_t		dma_addr_rx;
 	dma_addr_t		dma_addr_tx;
@@ -181,7 +181,7 @@ static inline void sun6i_spi_fill_fifo(struct sun6i_spi *sspi)
 
 static void sun6i_spi_set_cs(struct spi_device *spi, bool enable)
 {
-	struct sun6i_spi *sspi = spi_master_get_devdata(spi->master);
+	struct sun6i_spi *sspi = spi_controller_get_devdata(spi->controller);
 	u32 reg;
 
 	reg = sun6i_spi_read(sspi, SUN6I_TFR_CTL_REG);
@@ -212,7 +212,7 @@ static int sun6i_spi_prepare_dma(struct sun6i_spi *sspi,
 				 struct spi_transfer *tfr)
 {
 	struct dma_async_tx_descriptor *rxdesc, *txdesc;
-	struct spi_master *master = sspi->master;
+	struct spi_controller *host = sspi->host;
 
 	rxdesc = NULL;
 	if (tfr->rx_buf) {
@@ -223,9 +223,9 @@ static int sun6i_spi_prepare_dma(struct sun6i_spi *sspi,
 			.src_maxburst = 8,
 		};
 
-		dmaengine_slave_config(master->dma_rx, &rxconf);
+		dmaengine_slave_config(host->dma_rx, &rxconf);
 
-		rxdesc = dmaengine_prep_slave_sg(master->dma_rx,
+		rxdesc = dmaengine_prep_slave_sg(host->dma_rx,
 						 tfr->rx_sg.sgl,
 						 tfr->rx_sg.nents,
 						 DMA_DEV_TO_MEM,
@@ -245,38 +245,38 @@ static int sun6i_spi_prepare_dma(struct sun6i_spi *sspi,
 			.dst_maxburst = 8,
 		};
 
-		dmaengine_slave_config(master->dma_tx, &txconf);
+		dmaengine_slave_config(host->dma_tx, &txconf);
 
-		txdesc = dmaengine_prep_slave_sg(master->dma_tx,
+		txdesc = dmaengine_prep_slave_sg(host->dma_tx,
 						 tfr->tx_sg.sgl,
 						 tfr->tx_sg.nents,
 						 DMA_MEM_TO_DEV,
 						 DMA_PREP_INTERRUPT);
 		if (!txdesc) {
 			if (rxdesc)
-				dmaengine_terminate_sync(master->dma_rx);
+				dmaengine_terminate_sync(host->dma_rx);
 			return -EINVAL;
 		}
 	}
 
 	if (tfr->rx_buf) {
 		dmaengine_submit(rxdesc);
-		dma_async_issue_pending(master->dma_rx);
+		dma_async_issue_pending(host->dma_rx);
 	}
 
 	if (tfr->tx_buf) {
 		dmaengine_submit(txdesc);
-		dma_async_issue_pending(master->dma_tx);
+		dma_async_issue_pending(host->dma_tx);
 	}
 
 	return 0;
 }
 
-static int sun6i_spi_transfer_one(struct spi_master *master,
+static int sun6i_spi_transfer_one(struct spi_controller *host,
 				  struct spi_device *spi,
 				  struct spi_transfer *tfr)
 {
-	struct sun6i_spi *sspi = spi_master_get_devdata(master);
+	struct sun6i_spi *sspi = spi_controller_get_devdata(host);
 	unsigned int div, div_cdr1, div_cdr2, timeout;
 	unsigned int start, end, tx_time;
 	unsigned int trig_level;
@@ -293,7 +293,7 @@ static int sun6i_spi_transfer_one(struct spi_master *master,
 	sspi->tx_buf = tfr->tx_buf;
 	sspi->rx_buf = tfr->rx_buf;
 	sspi->len = tfr->len;
-	use_dma = master->can_dma ? master->can_dma(master, spi, tfr) : false;
+	use_dma = host->can_dma ? host->can_dma(host, spi, tfr) : false;
 
 	/* Clear pending interrupts */
 	sun6i_spi_write(sspi, SUN6I_INT_STA_REG, ~0);
@@ -463,7 +463,7 @@ static int sun6i_spi_transfer_one(struct spi_master *master,
 	} else {
 		ret = sun6i_spi_prepare_dma(sspi, tfr);
 		if (ret) {
-			dev_warn(&master->dev,
+			dev_warn(&host->dev,
 				 "%s: prepare DMA failed, ret=%d",
 				 dev_name(&spi->dev), ret);
 			return ret;
@@ -486,7 +486,7 @@ static int sun6i_spi_transfer_one(struct spi_master *master,
 	reg = sun6i_spi_read(sspi, SUN6I_TFR_CTL_REG);
 	sun6i_spi_write(sspi, SUN6I_TFR_CTL_REG, reg | SUN6I_TFR_CTL_XCH);
 
-	tx_time = spi_controller_xfer_timeout(master, tfr);
+	tx_time = spi_controller_xfer_timeout(host, tfr);
 	start = jiffies;
 	timeout = wait_for_completion_timeout(&sspi->done,
 					      msecs_to_jiffies(tx_time));
@@ -502,13 +502,13 @@ static int sun6i_spi_transfer_one(struct spi_master *master,
 			timeout = wait_for_completion_timeout(&sspi->dma_rx_done,
 							      timeout);
 			if (!timeout)
-				dev_warn(&master->dev, "RX DMA timeout\n");
+				dev_warn(&host->dev, "RX DMA timeout\n");
 		}
 	}
 
 	end = jiffies;
 	if (!timeout) {
-		dev_warn(&master->dev,
+		dev_warn(&host->dev,
 			 "%s: timeout transferring %u bytes@%iHz for %i(%i)ms",
 			 dev_name(&spi->dev), tfr->len, tfr->speed_hz,
 			 jiffies_to_msecs(end - start), tx_time);
@@ -518,8 +518,8 @@ static int sun6i_spi_transfer_one(struct spi_master *master,
 	sun6i_spi_write(sspi, SUN6I_INT_CTL_REG, 0);
 
 	if (ret && use_dma) {
-		dmaengine_terminate_sync(master->dma_rx);
-		dmaengine_terminate_sync(master->dma_tx);
+		dmaengine_terminate_sync(host->dma_rx);
+		dmaengine_terminate_sync(host->dma_tx);
 	}
 
 	return ret;
@@ -564,8 +564,8 @@ static irqreturn_t sun6i_spi_handler(int irq, void *dev_id)
 
 static int sun6i_spi_runtime_resume(struct device *dev)
 {
-	struct spi_master *master = dev_get_drvdata(dev);
-	struct sun6i_spi *sspi = spi_master_get_devdata(master);
+	struct spi_controller *host = dev_get_drvdata(dev);
+	struct sun6i_spi *sspi = spi_controller_get_devdata(host);
 	int ret;
 
 	ret = clk_prepare_enable(sspi->hclk);
@@ -601,8 +601,8 @@ static int sun6i_spi_runtime_resume(struct device *dev)
 
 static int sun6i_spi_runtime_suspend(struct device *dev)
 {
-	struct spi_master *master = dev_get_drvdata(dev);
-	struct sun6i_spi *sspi = spi_master_get_devdata(master);
+	struct spi_controller *host = dev_get_drvdata(dev);
+	struct sun6i_spi *sspi = spi_controller_get_devdata(host);
 
 	reset_control_assert(sspi->rstc);
 	clk_disable_unprepare(sspi->mclk);
@@ -611,11 +611,11 @@ static int sun6i_spi_runtime_suspend(struct device *dev)
 	return 0;
 }
 
-static bool sun6i_spi_can_dma(struct spi_master *master,
+static bool sun6i_spi_can_dma(struct spi_controller *host,
 			      struct spi_device *spi,
 			      struct spi_transfer *xfer)
 {
-	struct sun6i_spi *sspi = spi_master_get_devdata(master);
+	struct sun6i_spi *sspi = spi_controller_get_devdata(host);
 
 	/*
 	 * If the number of spi words to transfer is less or equal than
@@ -627,67 +627,67 @@ static bool sun6i_spi_can_dma(struct spi_master *master,
 
 static int sun6i_spi_probe(struct platform_device *pdev)
 {
-	struct spi_master *master;
+	struct spi_controller *host;
 	struct sun6i_spi *sspi;
 	struct resource *mem;
 	int ret = 0, irq;
 
-	master = spi_alloc_master(&pdev->dev, sizeof(struct sun6i_spi));
-	if (!master) {
-		dev_err(&pdev->dev, "Unable to allocate SPI Master\n");
+	host = spi_alloc_host(&pdev->dev, sizeof(struct sun6i_spi));
+	if (!host) {
+		dev_err(&pdev->dev, "Unable to allocate SPI Host\n");
 		return -ENOMEM;
 	}
 
-	platform_set_drvdata(pdev, master);
-	sspi = spi_master_get_devdata(master);
+	platform_set_drvdata(pdev, host);
+	sspi = spi_controller_get_devdata(host);
 
 	sspi->base_addr = devm_platform_get_and_ioremap_resource(pdev, 0, &mem);
 	if (IS_ERR(sspi->base_addr)) {
 		ret = PTR_ERR(sspi->base_addr);
-		goto err_free_master;
+		goto err_free_host;
 	}
 
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0) {
 		ret = -ENXIO;
-		goto err_free_master;
+		goto err_free_host;
 	}
 
 	ret = devm_request_irq(&pdev->dev, irq, sun6i_spi_handler,
 			       0, "sun6i-spi", sspi);
 	if (ret) {
 		dev_err(&pdev->dev, "Cannot request IRQ\n");
-		goto err_free_master;
+		goto err_free_host;
 	}
 
-	sspi->master = master;
+	sspi->host = host;
 	sspi->cfg = of_device_get_match_data(&pdev->dev);
 
-	master->max_speed_hz = 100 * 1000 * 1000;
-	master->min_speed_hz = 3 * 1000;
-	master->use_gpio_descriptors = true;
-	master->set_cs = sun6i_spi_set_cs;
-	master->transfer_one = sun6i_spi_transfer_one;
-	master->num_chipselect = 4;
-	master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LSB_FIRST |
-			    sspi->cfg->mode_bits;
-	master->bits_per_word_mask = SPI_BPW_MASK(8);
-	master->dev.of_node = pdev->dev.of_node;
-	master->auto_runtime_pm = true;
-	master->max_transfer_size = sun6i_spi_max_transfer_size;
+	host->max_speed_hz = 100 * 1000 * 1000;
+	host->min_speed_hz = 3 * 1000;
+	host->use_gpio_descriptors = true;
+	host->set_cs = sun6i_spi_set_cs;
+	host->transfer_one = sun6i_spi_transfer_one;
+	host->num_chipselect = 4;
+	host->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LSB_FIRST |
+			  sspi->cfg->mode_bits;
+	host->bits_per_word_mask = SPI_BPW_MASK(8);
+	host->dev.of_node = pdev->dev.of_node;
+	host->auto_runtime_pm = true;
+	host->max_transfer_size = sun6i_spi_max_transfer_size;
 
 	sspi->hclk = devm_clk_get(&pdev->dev, "ahb");
 	if (IS_ERR(sspi->hclk)) {
 		dev_err(&pdev->dev, "Unable to acquire AHB clock\n");
 		ret = PTR_ERR(sspi->hclk);
-		goto err_free_master;
+		goto err_free_host;
 	}
 
 	sspi->mclk = devm_clk_get(&pdev->dev, "mod");
 	if (IS_ERR(sspi->mclk)) {
 		dev_err(&pdev->dev, "Unable to acquire module clock\n");
 		ret = PTR_ERR(sspi->mclk);
-		goto err_free_master;
+		goto err_free_host;
 	}
 
 	init_completion(&sspi->done);
@@ -697,34 +697,34 @@ static int sun6i_spi_probe(struct platform_device *pdev)
 	if (IS_ERR(sspi->rstc)) {
 		dev_err(&pdev->dev, "Couldn't get reset controller\n");
 		ret = PTR_ERR(sspi->rstc);
-		goto err_free_master;
+		goto err_free_host;
 	}
 
-	master->dma_tx = dma_request_chan(&pdev->dev, "tx");
-	if (IS_ERR(master->dma_tx)) {
+	host->dma_tx = dma_request_chan(&pdev->dev, "tx");
+	if (IS_ERR(host->dma_tx)) {
 		/* Check tx to see if we need defer probing driver */
-		if (PTR_ERR(master->dma_tx) == -EPROBE_DEFER) {
+		if (PTR_ERR(host->dma_tx) == -EPROBE_DEFER) {
 			ret = -EPROBE_DEFER;
-			goto err_free_master;
+			goto err_free_host;
 		}
 		dev_warn(&pdev->dev, "Failed to request TX DMA channel\n");
-		master->dma_tx = NULL;
+		host->dma_tx = NULL;
 	}
 
-	master->dma_rx = dma_request_chan(&pdev->dev, "rx");
-	if (IS_ERR(master->dma_rx)) {
-		if (PTR_ERR(master->dma_rx) == -EPROBE_DEFER) {
+	host->dma_rx = dma_request_chan(&pdev->dev, "rx");
+	if (IS_ERR(host->dma_rx)) {
+		if (PTR_ERR(host->dma_rx) == -EPROBE_DEFER) {
 			ret = -EPROBE_DEFER;
 			goto err_free_dma_tx;
 		}
 		dev_warn(&pdev->dev, "Failed to request RX DMA channel\n");
-		master->dma_rx = NULL;
+		host->dma_rx = NULL;
 	}
 
-	if (master->dma_tx && master->dma_rx) {
+	if (host->dma_tx && host->dma_rx) {
 		sspi->dma_addr_tx = mem->start + SUN6I_TXDATA_REG;
 		sspi->dma_addr_rx = mem->start + SUN6I_RXDATA_REG;
-		master->can_dma = sun6i_spi_can_dma;
+		host->can_dma = sun6i_spi_can_dma;
 	}
 
 	/*
@@ -742,9 +742,9 @@ static int sun6i_spi_probe(struct platform_device *pdev)
 	pm_runtime_set_active(&pdev->dev);
 	pm_runtime_enable(&pdev->dev);
 
-	ret = devm_spi_register_master(&pdev->dev, master);
+	ret = spi_register_controller(host);
 	if (ret) {
-		dev_err(&pdev->dev, "cannot register SPI master\n");
+		dev_err(&pdev->dev, "cannot register SPI host\n");
 		goto err_pm_disable;
 	}
 
@@ -754,26 +754,32 @@ static int sun6i_spi_probe(struct platform_device *pdev)
 	pm_runtime_disable(&pdev->dev);
 	sun6i_spi_runtime_suspend(&pdev->dev);
 err_free_dma_rx:
-	if (master->dma_rx)
-		dma_release_channel(master->dma_rx);
+	if (host->dma_rx)
+		dma_release_channel(host->dma_rx);
 err_free_dma_tx:
-	if (master->dma_tx)
-		dma_release_channel(master->dma_tx);
-err_free_master:
-	spi_master_put(master);
+	if (host->dma_tx)
+		dma_release_channel(host->dma_tx);
+err_free_host:
+	spi_controller_put(host);
 	return ret;
 }
 
 static void sun6i_spi_remove(struct platform_device *pdev)
 {
-	struct spi_master *master = platform_get_drvdata(pdev);
+	struct spi_controller *host = platform_get_drvdata(pdev);
+
+	spi_controller_get(host);
+
+	spi_unregister_controller(host);
 
 	pm_runtime_force_suspend(&pdev->dev);
 
-	if (master->dma_tx)
-		dma_release_channel(master->dma_tx);
-	if (master->dma_rx)
-		dma_release_channel(master->dma_rx);
+	if (host->dma_tx)
+		dma_release_channel(host->dma_tx);
+	if (host->dma_rx)
+		dma_release_channel(host->dma_rx);
+
+	spi_controller_put(host);
 }
 
 static const struct sun6i_spi_cfg sun6i_a31_spi_cfg = {
diff --git a/drivers/spi/spi-synquacer.c b/drivers/spi/spi-synquacer.c
index aeaf7db022f0..0986c728c0f2 100644
--- a/drivers/spi/spi-synquacer.c
+++ b/drivers/spi/spi-synquacer.c
@@ -225,11 +225,11 @@ static int write_fifo(struct synquacer_spi *sspi)
 	return 0;
 }
 
-static int synquacer_spi_config(struct spi_master *master,
+static int synquacer_spi_config(struct spi_controller *host,
 				struct spi_device *spi,
 				struct spi_transfer *xfer)
 {
-	struct synquacer_spi *sspi = spi_master_get_devdata(master);
+	struct synquacer_spi *sspi = spi_controller_get_devdata(host);
 	unsigned int speed, mode, bpw, cs, bus_width, transfer_mode;
 	u32 rate, val, div;
 
@@ -263,7 +263,7 @@ static int synquacer_spi_config(struct spi_master *master,
 	}
 
 	sspi->transfer_mode = transfer_mode;
-	rate = master->max_speed_hz;
+	rate = host->max_speed_hz;
 
 	div = DIV_ROUND_UP(rate, speed);
 	if (div > 254) {
@@ -350,11 +350,11 @@ static int synquacer_spi_config(struct spi_master *master,
 	return 0;
 }
 
-static int synquacer_spi_transfer_one(struct spi_master *master,
+static int synquacer_spi_transfer_one(struct spi_controller *host,
 				      struct spi_device *spi,
 				      struct spi_transfer *xfer)
 {
-	struct synquacer_spi *sspi = spi_master_get_devdata(master);
+	struct synquacer_spi *sspi = spi_controller_get_devdata(host);
 	int ret;
 	int status = 0;
 	u32 words;
@@ -378,7 +378,7 @@ static int synquacer_spi_transfer_one(struct spi_master *master,
 	if (bpw == 8 && !(xfer->len % 4) && !(spi->mode & SPI_LSB_FIRST))
 		xfer->bits_per_word = 32;
 
-	ret = synquacer_spi_config(master, spi, xfer);
+	ret = synquacer_spi_config(host, spi, xfer);
 
 	/* restore */
 	xfer->bits_per_word = bpw;
@@ -482,7 +482,7 @@ static int synquacer_spi_transfer_one(struct spi_master *master,
 
 static void synquacer_spi_set_cs(struct spi_device *spi, bool enable)
 {
-	struct synquacer_spi *sspi = spi_master_get_devdata(spi->master);
+	struct synquacer_spi *sspi = spi_controller_get_devdata(spi->controller);
 	u32 val;
 
 	val = readl(sspi->regs + SYNQUACER_HSSPI_REG_DMSTART);
@@ -517,11 +517,11 @@ static int synquacer_spi_wait_status_update(struct synquacer_spi *sspi,
 	return -EBUSY;
 }
 
-static int synquacer_spi_enable(struct spi_master *master)
+static int synquacer_spi_enable(struct spi_controller *host)
 {
 	u32 val;
 	int status;
-	struct synquacer_spi *sspi = spi_master_get_devdata(master);
+	struct synquacer_spi *sspi = spi_controller_get_devdata(host);
 
 	/* Disable module */
 	writel(0, sspi->regs + SYNQUACER_HSSPI_REG_MCTRL);
@@ -601,18 +601,18 @@ static irqreturn_t sq_spi_tx_handler(int irq, void *priv)
 static int synquacer_spi_probe(struct platform_device *pdev)
 {
 	struct device_node *np = pdev->dev.of_node;
-	struct spi_master *master;
+	struct spi_controller *host;
 	struct synquacer_spi *sspi;
 	int ret;
 	int rx_irq, tx_irq;
 
-	master = spi_alloc_master(&pdev->dev, sizeof(*sspi));
-	if (!master)
+	host = spi_alloc_host(&pdev->dev, sizeof(*sspi));
+	if (!host)
 		return -ENOMEM;
 
-	platform_set_drvdata(pdev, master);
+	platform_set_drvdata(pdev, host);
 
-	sspi = spi_master_get_devdata(master);
+	sspi = spi_controller_get_devdata(host);
 	sspi->dev = &pdev->dev;
 
 	init_completion(&sspi->transfer_done);
@@ -625,7 +625,7 @@ static int synquacer_spi_probe(struct platform_device *pdev)
 
 	sspi->clk_src_type = SYNQUACER_HSSPI_CLOCK_SRC_IHCLK; /* Default */
 	device_property_read_u32(&pdev->dev, "socionext,ihclk-rate",
-				 &master->max_speed_hz); /* for ACPI */
+				 &host->max_speed_hz); /* for ACPI */
 
 	if (dev_of_node(&pdev->dev)) {
 		if (device_property_match_string(&pdev->dev,
@@ -655,21 +655,21 @@ static int synquacer_spi_probe(struct platform_device *pdev)
 			goto put_spi;
 		}
 
-		master->max_speed_hz = clk_get_rate(sspi->clk);
+		host->max_speed_hz = clk_get_rate(sspi->clk);
 	}
 
-	if (!master->max_speed_hz) {
+	if (!host->max_speed_hz) {
 		dev_err(&pdev->dev, "missing clock source\n");
 		ret = -EINVAL;
 		goto disable_clk;
 	}
-	master->min_speed_hz = master->max_speed_hz / 254;
+	host->min_speed_hz = host->max_speed_hz / 254;
 
 	sspi->aces = device_property_read_bool(&pdev->dev,
 					       "socionext,set-aces");
 	sspi->rtm = device_property_read_bool(&pdev->dev, "socionext,use-rtm");
 
-	master->num_chipselect = SYNQUACER_HSSPI_NUM_CHIP_SELECT;
+	host->num_chipselect = SYNQUACER_HSSPI_NUM_CHIP_SELECT;
 
 	rx_irq = platform_get_irq(pdev, 0);
 	if (rx_irq <= 0) {
@@ -699,27 +699,27 @@ static int synquacer_spi_probe(struct platform_device *pdev)
 		goto disable_clk;
 	}
 
-	master->dev.of_node = np;
-	master->dev.fwnode = pdev->dev.fwnode;
-	master->auto_runtime_pm = true;
-	master->bus_num = pdev->id;
+	host->dev.of_node = np;
+	host->dev.fwnode = pdev->dev.fwnode;
+	host->auto_runtime_pm = true;
+	host->bus_num = pdev->id;
 
-	master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_TX_DUAL | SPI_RX_DUAL |
-			    SPI_TX_QUAD | SPI_RX_QUAD;
-	master->bits_per_word_mask = SPI_BPW_MASK(32) | SPI_BPW_MASK(24) |
-				     SPI_BPW_MASK(16) | SPI_BPW_MASK(8);
+	host->mode_bits = SPI_CPOL | SPI_CPHA | SPI_TX_DUAL | SPI_RX_DUAL |
+			  SPI_TX_QUAD | SPI_RX_QUAD;
+	host->bits_per_word_mask = SPI_BPW_MASK(32) | SPI_BPW_MASK(24) |
+				   SPI_BPW_MASK(16) | SPI_BPW_MASK(8);
 
-	master->set_cs = synquacer_spi_set_cs;
-	master->transfer_one = synquacer_spi_transfer_one;
+	host->set_cs = synquacer_spi_set_cs;
+	host->transfer_one = synquacer_spi_transfer_one;
 
-	ret = synquacer_spi_enable(master);
+	ret = synquacer_spi_enable(host);
 	if (ret)
 		goto disable_clk;
 
 	pm_runtime_set_active(sspi->dev);
 	pm_runtime_enable(sspi->dev);
 
-	ret = devm_spi_register_master(sspi->dev, master);
+	ret = spi_register_controller(host);
 	if (ret)
 		goto disable_pm;
 
@@ -730,28 +730,34 @@ static int synquacer_spi_probe(struct platform_device *pdev)
 disable_clk:
 	clk_disable_unprepare(sspi->clk);
 put_spi:
-	spi_master_put(master);
+	spi_controller_put(host);
 
 	return ret;
 }
 
 static void synquacer_spi_remove(struct platform_device *pdev)
 {
-	struct spi_master *master = platform_get_drvdata(pdev);
-	struct synquacer_spi *sspi = spi_master_get_devdata(master);
+	struct spi_controller *host = platform_get_drvdata(pdev);
+	struct synquacer_spi *sspi = spi_controller_get_devdata(host);
+
+	spi_controller_get(host);
+
+	spi_unregister_controller(host);
 
 	pm_runtime_disable(sspi->dev);
 
 	clk_disable_unprepare(sspi->clk);
+
+	spi_controller_put(host);
 }
 
 static int __maybe_unused synquacer_spi_suspend(struct device *dev)
 {
-	struct spi_master *master = dev_get_drvdata(dev);
-	struct synquacer_spi *sspi = spi_master_get_devdata(master);
+	struct spi_controller *host = dev_get_drvdata(dev);
+	struct synquacer_spi *sspi = spi_controller_get_devdata(host);
 	int ret;
 
-	ret = spi_master_suspend(master);
+	ret = spi_controller_suspend(host);
 	if (ret)
 		return ret;
 
@@ -763,8 +769,8 @@ static int __maybe_unused synquacer_spi_suspend(struct device *dev)
 
 static int __maybe_unused synquacer_spi_resume(struct device *dev)
 {
-	struct spi_master *master = dev_get_drvdata(dev);
-	struct synquacer_spi *sspi = spi_master_get_devdata(master);
+	struct spi_controller *host = dev_get_drvdata(dev);
+	struct synquacer_spi *sspi = spi_controller_get_devdata(host);
 	int ret;
 
 	if (!pm_runtime_suspended(dev)) {
@@ -778,7 +784,7 @@ static int __maybe_unused synquacer_spi_resume(struct device *dev)
 			return ret;
 		}
 
-		ret = synquacer_spi_enable(master);
+		ret = synquacer_spi_enable(host);
 		if (ret) {
 			clk_disable_unprepare(sspi->clk);
 			dev_err(dev, "failed to enable spi (%d)\n", ret);
@@ -786,7 +792,7 @@ static int __maybe_unused synquacer_spi_resume(struct device *dev)
 		}
 	}
 
-	ret = spi_master_resume(master);
+	ret = spi_controller_resume(host);
 	if (ret < 0)
 		clk_disable_unprepare(sspi->clk);
 
diff --git a/drivers/spi/spi-tegra114.c b/drivers/spi/spi-tegra114.c
index c99f72c9ab17..ba2c9feab1cd 100644
--- a/drivers/spi/spi-tegra114.c
+++ b/drivers/spi/spi-tegra114.c
@@ -1416,7 +1416,7 @@ static int tegra_spi_probe(struct platform_device *pdev)
 	}
 
 	master->dev.of_node = pdev->dev.of_node;
-	ret = devm_spi_register_master(&pdev->dev, master);
+	ret = spi_register_master(master);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "can not register to master err %d\n", ret);
 		goto exit_free_irq;
@@ -1442,6 +1442,10 @@ static void tegra_spi_remove(struct platform_device *pdev)
 	struct spi_master *master = platform_get_drvdata(pdev);
 	struct tegra_spi_data	*tspi = spi_master_get_devdata(master);
 
+	spi_master_get(master);
+
+	spi_unregister_master(master);
+
 	free_irq(tspi->irq, tspi);
 
 	if (tspi->tx_dma_chan)
@@ -1453,6 +1457,8 @@ static void tegra_spi_remove(struct platform_device *pdev)
 	pm_runtime_disable(&pdev->dev);
 	if (!pm_runtime_status_suspended(&pdev->dev))
 		tegra_spi_runtime_suspend(&pdev->dev);
+
+	spi_master_put(master);
 }
 
 #ifdef CONFIG_PM_SLEEP
diff --git a/drivers/spi/spi-tegra20-sflash.c b/drivers/spi/spi-tegra20-sflash.c
index 0c5507473f97..956178f7dd86 100644
--- a/drivers/spi/spi-tegra20-sflash.c
+++ b/drivers/spi/spi-tegra20-sflash.c
@@ -506,7 +506,7 @@ static int tegra_sflash_probe(struct platform_device *pdev)
 	pm_runtime_put(&pdev->dev);
 
 	master->dev.of_node = pdev->dev.of_node;
-	ret = devm_spi_register_master(&pdev->dev, master);
+	ret = spi_register_master(master);
 	if (ret < 0) {
 		dev_err(&pdev->dev, "can not register to master err %d\n", ret);
 		goto exit_pm_disable;
@@ -529,11 +529,17 @@ static void tegra_sflash_remove(struct platform_device *pdev)
 	struct spi_master *master = platform_get_drvdata(pdev);
 	struct tegra_sflash_data	*tsd = spi_master_get_devdata(master);
 
+	spi_master_get(master);
+
+	spi_unregister_master(master);
+
 	free_irq(tsd->irq, tsd);
 
 	pm_runtime_disable(&pdev->dev);
 	if (!pm_runtime_status_suspended(&pdev->dev))
 		tegra_sflash_runtime_suspend(&pdev->dev);
+
+	spi_master_put(master);
 }
 
 #ifdef CONFIG_PM_SLEEP
diff --git a/drivers/spi/spi-ti-qspi.c b/drivers/spi/spi-ti-qspi.c
index 4c81516b67db..e0459fd4d549 100644
--- a/drivers/spi/spi-ti-qspi.c
+++ b/drivers/spi/spi-ti-qspi.c
@@ -40,7 +40,7 @@ struct ti_qspi {
 	/* list synchronization */
 	struct mutex            list_lock;
 
-	struct spi_master	*master;
+	struct spi_controller	*host;
 	void __iomem            *base;
 	void __iomem            *mmap_base;
 	size_t			mmap_size;
@@ -137,20 +137,20 @@ static inline void ti_qspi_write(struct ti_qspi *qspi,
 
 static int ti_qspi_setup(struct spi_device *spi)
 {
-	struct ti_qspi	*qspi = spi_master_get_devdata(spi->master);
+	struct ti_qspi	*qspi = spi_controller_get_devdata(spi->controller);
 	int ret;
 
-	if (spi->master->busy) {
-		dev_dbg(qspi->dev, "master busy doing other transfers\n");
+	if (spi->controller->busy) {
+		dev_dbg(qspi->dev, "host busy doing other transfers\n");
 		return -EBUSY;
 	}
 
-	if (!qspi->master->max_speed_hz) {
+	if (!qspi->host->max_speed_hz) {
 		dev_err(qspi->dev, "spi max frequency not defined\n");
 		return -EINVAL;
 	}
 
-	spi->max_speed_hz = min(spi->max_speed_hz, qspi->master->max_speed_hz);
+	spi->max_speed_hz = min(spi->max_speed_hz, qspi->host->max_speed_hz);
 
 	ret = pm_runtime_resume_and_get(qspi->dev);
 	if (ret < 0) {
@@ -526,7 +526,7 @@ static int ti_qspi_dma_xfer_sg(struct ti_qspi *qspi, struct sg_table rx_sg,
 
 static void ti_qspi_enable_memory_map(struct spi_device *spi)
 {
-	struct ti_qspi  *qspi = spi_master_get_devdata(spi->master);
+	struct ti_qspi  *qspi = spi_controller_get_devdata(spi->controller);
 
 	ti_qspi_write(qspi, MM_SWITCH, QSPI_SPI_SWITCH_REG);
 	if (qspi->ctrl_base) {
@@ -540,7 +540,7 @@ static void ti_qspi_enable_memory_map(struct spi_device *spi)
 
 static void ti_qspi_disable_memory_map(struct spi_device *spi)
 {
-	struct ti_qspi  *qspi = spi_master_get_devdata(spi->master);
+	struct ti_qspi  *qspi = spi_controller_get_devdata(spi->controller);
 
 	ti_qspi_write(qspi, 0, QSPI_SPI_SWITCH_REG);
 	if (qspi->ctrl_base)
@@ -554,7 +554,7 @@ static void ti_qspi_setup_mmap_read(struct spi_device *spi, u8 opcode,
 				    u8 data_nbits, u8 addr_width,
 				    u8 dummy_bytes)
 {
-	struct ti_qspi  *qspi = spi_master_get_devdata(spi->master);
+	struct ti_qspi  *qspi = spi_controller_get_devdata(spi->controller);
 	u32 memval = opcode;
 
 	switch (data_nbits) {
@@ -576,7 +576,7 @@ static void ti_qspi_setup_mmap_read(struct spi_device *spi, u8 opcode,
 
 static int ti_qspi_adjust_op_size(struct spi_mem *mem, struct spi_mem_op *op)
 {
-	struct ti_qspi *qspi = spi_controller_get_devdata(mem->spi->master);
+	struct ti_qspi *qspi = spi_controller_get_devdata(mem->spi->controller);
 	size_t max_len;
 
 	if (op->data.dir == SPI_MEM_DATA_IN) {
@@ -606,7 +606,7 @@ static int ti_qspi_adjust_op_size(struct spi_mem *mem, struct spi_mem_op *op)
 static int ti_qspi_exec_mem_op(struct spi_mem *mem,
 			       const struct spi_mem_op *op)
 {
-	struct ti_qspi *qspi = spi_master_get_devdata(mem->spi->master);
+	struct ti_qspi *qspi = spi_controller_get_devdata(mem->spi->controller);
 	u32 from = 0;
 	int ret = 0;
 
@@ -633,10 +633,10 @@ static int ti_qspi_exec_mem_op(struct spi_mem *mem,
 		struct sg_table sgt;
 
 		if (virt_addr_valid(op->data.buf.in) &&
-		    !spi_controller_dma_map_mem_op_data(mem->spi->master, op,
+		    !spi_controller_dma_map_mem_op_data(mem->spi->controller, op,
 							&sgt)) {
 			ret = ti_qspi_dma_xfer_sg(qspi, sgt, from);
-			spi_controller_dma_unmap_mem_op_data(mem->spi->master,
+			spi_controller_dma_unmap_mem_op_data(mem->spi->controller,
 							     op, &sgt);
 		} else {
 			ret = ti_qspi_dma_bounce_buffer(qspi, from,
@@ -658,10 +658,10 @@ static const struct spi_controller_mem_ops ti_qspi_mem_ops = {
 	.adjust_op_size = ti_qspi_adjust_op_size,
 };
 
-static int ti_qspi_start_transfer_one(struct spi_master *master,
+static int ti_qspi_start_transfer_one(struct spi_controller *host,
 		struct spi_message *m)
 {
-	struct ti_qspi *qspi = spi_master_get_devdata(master);
+	struct ti_qspi *qspi = spi_controller_get_devdata(host);
 	struct spi_device *spi = m->spi;
 	struct spi_transfer *t;
 	int status = 0, ret;
@@ -720,7 +720,7 @@ static int ti_qspi_start_transfer_one(struct spi_master *master,
 
 	ti_qspi_write(qspi, qspi->cmd | QSPI_INVAL, QSPI_SPI_CMD_REG);
 	m->status = status;
-	spi_finalize_current_message(master);
+	spi_finalize_current_message(host);
 
 	return status;
 }
@@ -756,33 +756,33 @@ MODULE_DEVICE_TABLE(of, ti_qspi_match);
 static int ti_qspi_probe(struct platform_device *pdev)
 {
 	struct  ti_qspi *qspi;
-	struct spi_master *master;
+	struct spi_controller *host;
 	struct resource         *r, *res_mmap;
 	struct device_node *np = pdev->dev.of_node;
 	u32 max_freq;
 	int ret = 0, num_cs, irq;
 	dma_cap_mask_t mask;
 
-	master = spi_alloc_master(&pdev->dev, sizeof(*qspi));
-	if (!master)
+	host = spi_alloc_host(&pdev->dev, sizeof(*qspi));
+	if (!host)
 		return -ENOMEM;
 
-	master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_RX_DUAL | SPI_RX_QUAD;
+	host->mode_bits = SPI_CPOL | SPI_CPHA | SPI_RX_DUAL | SPI_RX_QUAD;
 
-	master->flags = SPI_CONTROLLER_HALF_DUPLEX;
-	master->setup = ti_qspi_setup;
-	master->auto_runtime_pm = true;
-	master->transfer_one_message = ti_qspi_start_transfer_one;
-	master->dev.of_node = pdev->dev.of_node;
-	master->bits_per_word_mask = SPI_BPW_MASK(32) | SPI_BPW_MASK(16) |
-				     SPI_BPW_MASK(8);
-	master->mem_ops = &ti_qspi_mem_ops;
+	host->flags = SPI_CONTROLLER_HALF_DUPLEX;
+	host->setup = ti_qspi_setup;
+	host->auto_runtime_pm = true;
+	host->transfer_one_message = ti_qspi_start_transfer_one;
+	host->dev.of_node = pdev->dev.of_node;
+	host->bits_per_word_mask = SPI_BPW_MASK(32) | SPI_BPW_MASK(16) |
+				   SPI_BPW_MASK(8);
+	host->mem_ops = &ti_qspi_mem_ops;
 
 	if (!of_property_read_u32(np, "num-cs", &num_cs))
-		master->num_chipselect = num_cs;
+		host->num_chipselect = num_cs;
 
-	qspi = spi_master_get_devdata(master);
-	qspi->master = master;
+	qspi = spi_controller_get_devdata(host);
+	qspi->host = host;
 	qspi->dev = &pdev->dev;
 	platform_set_drvdata(pdev, qspi);
 
@@ -792,7 +792,7 @@ static int ti_qspi_probe(struct platform_device *pdev)
 		if (r == NULL) {
 			dev_err(&pdev->dev, "missing platform data\n");
 			ret = -ENODEV;
-			goto free_master;
+			goto free_host;
 		}
 	}
 
@@ -812,7 +812,7 @@ static int ti_qspi_probe(struct platform_device *pdev)
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0) {
 		ret = irq;
-		goto free_master;
+		goto free_host;
 	}
 
 	mutex_init(&qspi->list_lock);
@@ -820,7 +820,7 @@ static int ti_qspi_probe(struct platform_device *pdev)
 	qspi->base = devm_ioremap_resource(&pdev->dev, r);
 	if (IS_ERR(qspi->base)) {
 		ret = PTR_ERR(qspi->base);
-		goto free_master;
+		goto free_host;
 	}
 
 
@@ -830,7 +830,7 @@ static int ti_qspi_probe(struct platform_device *pdev)
 						"syscon-chipselects");
 		if (IS_ERR(qspi->ctrl_base)) {
 			ret = PTR_ERR(qspi->ctrl_base);
-			goto free_master;
+			goto free_host;
 		}
 		ret = of_property_read_u32_index(np,
 						 "syscon-chipselects",
@@ -838,7 +838,7 @@ static int ti_qspi_probe(struct platform_device *pdev)
 		if (ret) {
 			dev_err(&pdev->dev,
 				"couldn't get ctrl_mod reg index\n");
-			goto free_master;
+			goto free_host;
 		}
 	}
 
@@ -853,7 +853,7 @@ static int ti_qspi_probe(struct platform_device *pdev)
 	pm_runtime_enable(&pdev->dev);
 
 	if (!of_property_read_u32(np, "spi-max-frequency", &max_freq))
-		master->max_speed_hz = max_freq;
+		host->max_speed_hz = max_freq;
 
 	dma_cap_zero(mask);
 	dma_cap_set(DMA_MEMCPY, mask);
@@ -876,7 +876,7 @@ static int ti_qspi_probe(struct platform_device *pdev)
 		dma_release_channel(qspi->rx_chan);
 		goto no_dma;
 	}
-	master->dma_rx = qspi->rx_chan;
+	host->dma_rx = qspi->rx_chan;
 	init_completion(&qspi->transfer_complete);
 	if (res_mmap)
 		qspi->mmap_phys_base = (dma_addr_t)res_mmap->start;
@@ -889,39 +889,38 @@ static int ti_qspi_probe(struct platform_device *pdev)
 				 "mmap failed with error %ld using PIO mode\n",
 				 PTR_ERR(qspi->mmap_base));
 			qspi->mmap_base = NULL;
-			master->mem_ops = NULL;
+			host->mem_ops = NULL;
 		}
 	}
 	qspi->mmap_enabled = false;
 	qspi->current_cs = -1;
 
-	ret = devm_spi_register_master(&pdev->dev, master);
+	ret = spi_register_controller(host);
 	if (!ret)
 		return 0;
 
 	ti_qspi_dma_cleanup(qspi);
 
 	pm_runtime_disable(&pdev->dev);
-free_master:
-	spi_master_put(master);
+free_host:
+	spi_controller_put(host);
 	return ret;
 }
 
-static int ti_qspi_remove(struct platform_device *pdev)
+static void ti_qspi_remove(struct platform_device *pdev)
 {
 	struct ti_qspi *qspi = platform_get_drvdata(pdev);
-	int rc;
 
-	rc = spi_master_suspend(qspi->master);
-	if (rc)
-		return rc;
+	spi_controller_get(qspi->host);
+
+	spi_unregister_controller(qspi->host);
 
 	pm_runtime_put_sync(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);
 
 	ti_qspi_dma_cleanup(qspi);
 
-	return 0;
+	spi_controller_put(qspi->host);
 }
 
 static const struct dev_pm_ops ti_qspi_pm_ops = {
@@ -930,7 +929,7 @@ static const struct dev_pm_ops ti_qspi_pm_ops = {
 
 static struct platform_driver ti_qspi_driver = {
 	.probe	= ti_qspi_probe,
-	.remove = ti_qspi_remove,
+	.remove_new = ti_qspi_remove,
 	.driver = {
 		.name	= "ti-qspi",
 		.pm =   &ti_qspi_pm_ops,
diff --git a/drivers/spi/spi-topcliff-pch.c b/drivers/spi/spi-topcliff-pch.c
index af5846cfe5e9..f34603df0114 100644
--- a/drivers/spi/spi-topcliff-pch.c
+++ b/drivers/spi/spi-topcliff-pch.c
@@ -1406,9 +1406,6 @@ static void 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;
@@ -1432,6 +1429,9 @@ static void 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-uniphier.c b/drivers/spi/spi-uniphier.c
index f5344527af0b..bf6fcfda3c65 100644
--- a/drivers/spi/spi-uniphier.c
+++ b/drivers/spi/spi-uniphier.c
@@ -26,7 +26,7 @@ struct uniphier_spi_priv {
 	void __iomem *base;
 	dma_addr_t base_dma_addr;
 	struct clk *clk;
-	struct spi_master *master;
+	struct spi_controller *host;
 	struct completion xfer_done;
 
 	int error;
@@ -127,7 +127,7 @@ static inline void uniphier_spi_irq_disable(struct uniphier_spi_priv *priv,
 
 static void uniphier_spi_set_mode(struct spi_device *spi)
 {
-	struct uniphier_spi_priv *priv = spi_master_get_devdata(spi->master);
+	struct uniphier_spi_priv *priv = spi_controller_get_devdata(spi->controller);
 	u32 val1, val2;
 
 	/*
@@ -180,7 +180,7 @@ static void uniphier_spi_set_mode(struct spi_device *spi)
 
 static void uniphier_spi_set_transfer_size(struct spi_device *spi, int size)
 {
-	struct uniphier_spi_priv *priv = spi_master_get_devdata(spi->master);
+	struct uniphier_spi_priv *priv = spi_controller_get_devdata(spi->controller);
 	u32 val;
 
 	val = readl(priv->base + SSI_TXWDS);
@@ -198,7 +198,7 @@ static void uniphier_spi_set_transfer_size(struct spi_device *spi, int size)
 static void uniphier_spi_set_baudrate(struct spi_device *spi,
 				      unsigned int speed)
 {
-	struct uniphier_spi_priv *priv = spi_master_get_devdata(spi->master);
+	struct uniphier_spi_priv *priv = spi_controller_get_devdata(spi->controller);
 	u32 val, ckdiv;
 
 	/*
@@ -217,7 +217,7 @@ static void uniphier_spi_set_baudrate(struct spi_device *spi,
 static void uniphier_spi_setup_transfer(struct spi_device *spi,
 				       struct spi_transfer *t)
 {
-	struct uniphier_spi_priv *priv = spi_master_get_devdata(spi->master);
+	struct uniphier_spi_priv *priv = spi_controller_get_devdata(spi->controller);
 	u32 val;
 
 	priv->error = 0;
@@ -333,7 +333,7 @@ static void uniphier_spi_fill_tx_fifo(struct uniphier_spi_priv *priv)
 
 static void uniphier_spi_set_cs(struct spi_device *spi, bool enable)
 {
-	struct uniphier_spi_priv *priv = spi_master_get_devdata(spi->master);
+	struct uniphier_spi_priv *priv = spi_controller_get_devdata(spi->controller);
 	u32 val;
 
 	val = readl(priv->base + SSI_FPS);
@@ -346,16 +346,16 @@ static void uniphier_spi_set_cs(struct spi_device *spi, bool enable)
 	writel(val, priv->base + SSI_FPS);
 }
 
-static bool uniphier_spi_can_dma(struct spi_master *master,
+static bool uniphier_spi_can_dma(struct spi_controller *host,
 				 struct spi_device *spi,
 				 struct spi_transfer *t)
 {
-	struct uniphier_spi_priv *priv = spi_master_get_devdata(master);
+	struct uniphier_spi_priv *priv = spi_controller_get_devdata(host);
 	unsigned int bpw = bytes_per_word(priv->bits_per_word);
 
-	if ((!master->dma_tx && !master->dma_rx)
-	    || (!master->dma_tx && t->tx_buf)
-	    || (!master->dma_rx && t->rx_buf))
+	if ((!host->dma_tx && !host->dma_rx)
+	    || (!host->dma_tx && t->tx_buf)
+	    || (!host->dma_rx && t->rx_buf))
 		return false;
 
 	return DIV_ROUND_UP(t->len, bpw) > SSI_FIFO_DEPTH;
@@ -363,33 +363,33 @@ static bool uniphier_spi_can_dma(struct spi_master *master,
 
 static void uniphier_spi_dma_rxcb(void *data)
 {
-	struct spi_master *master = data;
-	struct uniphier_spi_priv *priv = spi_master_get_devdata(master);
+	struct spi_controller *host = data;
+	struct uniphier_spi_priv *priv = spi_controller_get_devdata(host);
 	int state = atomic_fetch_andnot(SSI_DMA_RX_BUSY, &priv->dma_busy);
 
 	uniphier_spi_irq_disable(priv, SSI_IE_RXRE);
 
 	if (!(state & SSI_DMA_TX_BUSY))
-		spi_finalize_current_transfer(master);
+		spi_finalize_current_transfer(host);
 }
 
 static void uniphier_spi_dma_txcb(void *data)
 {
-	struct spi_master *master = data;
-	struct uniphier_spi_priv *priv = spi_master_get_devdata(master);
+	struct spi_controller *host = data;
+	struct uniphier_spi_priv *priv = spi_controller_get_devdata(host);
 	int state = atomic_fetch_andnot(SSI_DMA_TX_BUSY, &priv->dma_busy);
 
 	uniphier_spi_irq_disable(priv, SSI_IE_TXRE);
 
 	if (!(state & SSI_DMA_RX_BUSY))
-		spi_finalize_current_transfer(master);
+		spi_finalize_current_transfer(host);
 }
 
-static int uniphier_spi_transfer_one_dma(struct spi_master *master,
+static int uniphier_spi_transfer_one_dma(struct spi_controller *host,
 					 struct spi_device *spi,
 					 struct spi_transfer *t)
 {
-	struct uniphier_spi_priv *priv = spi_master_get_devdata(master);
+	struct uniphier_spi_priv *priv = spi_controller_get_devdata(host);
 	struct dma_async_tx_descriptor *rxdesc = NULL, *txdesc = NULL;
 	int buswidth;
 
@@ -412,23 +412,23 @@ static int uniphier_spi_transfer_one_dma(struct spi_master *master,
 			.src_maxburst = SSI_FIFO_BURST_NUM,
 		};
 
-		dmaengine_slave_config(master->dma_rx, &rxconf);
+		dmaengine_slave_config(host->dma_rx, &rxconf);
 
 		rxdesc = dmaengine_prep_slave_sg(
-			master->dma_rx,
+			host->dma_rx,
 			t->rx_sg.sgl, t->rx_sg.nents,
 			DMA_DEV_TO_MEM, DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
 		if (!rxdesc)
 			goto out_err_prep;
 
 		rxdesc->callback = uniphier_spi_dma_rxcb;
-		rxdesc->callback_param = master;
+		rxdesc->callback_param = host;
 
 		uniphier_spi_irq_enable(priv, SSI_IE_RXRE);
 		atomic_or(SSI_DMA_RX_BUSY, &priv->dma_busy);
 
 		dmaengine_submit(rxdesc);
-		dma_async_issue_pending(master->dma_rx);
+		dma_async_issue_pending(host->dma_rx);
 	}
 
 	if (priv->tx_buf) {
@@ -439,23 +439,23 @@ static int uniphier_spi_transfer_one_dma(struct spi_master *master,
 			.dst_maxburst = SSI_FIFO_BURST_NUM,
 		};
 
-		dmaengine_slave_config(master->dma_tx, &txconf);
+		dmaengine_slave_config(host->dma_tx, &txconf);
 
 		txdesc = dmaengine_prep_slave_sg(
-			master->dma_tx,
+			host->dma_tx,
 			t->tx_sg.sgl, t->tx_sg.nents,
 			DMA_MEM_TO_DEV, DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
 		if (!txdesc)
 			goto out_err_prep;
 
 		txdesc->callback = uniphier_spi_dma_txcb;
-		txdesc->callback_param = master;
+		txdesc->callback_param = host;
 
 		uniphier_spi_irq_enable(priv, SSI_IE_TXRE);
 		atomic_or(SSI_DMA_TX_BUSY, &priv->dma_busy);
 
 		dmaengine_submit(txdesc);
-		dma_async_issue_pending(master->dma_tx);
+		dma_async_issue_pending(host->dma_tx);
 	}
 
 	/* signal that we need to wait for completion */
@@ -463,17 +463,17 @@ static int uniphier_spi_transfer_one_dma(struct spi_master *master,
 
 out_err_prep:
 	if (rxdesc)
-		dmaengine_terminate_sync(master->dma_rx);
+		dmaengine_terminate_sync(host->dma_rx);
 
 	return -EINVAL;
 }
 
-static int uniphier_spi_transfer_one_irq(struct spi_master *master,
+static int uniphier_spi_transfer_one_irq(struct spi_controller *host,
 					 struct spi_device *spi,
 					 struct spi_transfer *t)
 {
-	struct uniphier_spi_priv *priv = spi_master_get_devdata(master);
-	struct device *dev = master->dev.parent;
+	struct uniphier_spi_priv *priv = spi_controller_get_devdata(host);
+	struct device *dev = host->dev.parent;
 	unsigned long time_left;
 
 	reinit_completion(&priv->xfer_done);
@@ -495,11 +495,11 @@ static int uniphier_spi_transfer_one_irq(struct spi_master *master,
 	return priv->error;
 }
 
-static int uniphier_spi_transfer_one_poll(struct spi_master *master,
+static int uniphier_spi_transfer_one_poll(struct spi_controller *host,
 					  struct spi_device *spi,
 					  struct spi_transfer *t)
 {
-	struct uniphier_spi_priv *priv = spi_master_get_devdata(master);
+	struct uniphier_spi_priv *priv = spi_controller_get_devdata(host);
 	int loop = SSI_POLL_TIMEOUT_US * 10;
 
 	while (priv->tx_bytes) {
@@ -520,14 +520,14 @@ static int uniphier_spi_transfer_one_poll(struct spi_master *master,
 	return 0;
 
 irq_transfer:
-	return uniphier_spi_transfer_one_irq(master, spi, t);
+	return uniphier_spi_transfer_one_irq(host, spi, t);
 }
 
-static int uniphier_spi_transfer_one(struct spi_master *master,
+static int uniphier_spi_transfer_one(struct spi_controller *host,
 				     struct spi_device *spi,
 				     struct spi_transfer *t)
 {
-	struct uniphier_spi_priv *priv = spi_master_get_devdata(master);
+	struct uniphier_spi_priv *priv = spi_controller_get_devdata(host);
 	unsigned long threshold;
 	bool use_dma;
 
@@ -537,9 +537,9 @@ static int uniphier_spi_transfer_one(struct spi_master *master,
 
 	uniphier_spi_setup_transfer(spi, t);
 
-	use_dma = master->can_dma ? master->can_dma(master, spi, t) : false;
+	use_dma = host->can_dma ? host->can_dma(host, spi, t) : false;
 	if (use_dma)
-		return uniphier_spi_transfer_one_dma(master, spi, t);
+		return uniphier_spi_transfer_one_dma(host, spi, t);
 
 	/*
 	 * If the transfer operation will take longer than
@@ -548,33 +548,33 @@ static int uniphier_spi_transfer_one(struct spi_master *master,
 	threshold = DIV_ROUND_UP(SSI_POLL_TIMEOUT_US * priv->speed_hz,
 					USEC_PER_SEC * BITS_PER_BYTE);
 	if (t->len > threshold)
-		return uniphier_spi_transfer_one_irq(master, spi, t);
+		return uniphier_spi_transfer_one_irq(host, spi, t);
 	else
-		return uniphier_spi_transfer_one_poll(master, spi, t);
+		return uniphier_spi_transfer_one_poll(host, spi, t);
 }
 
-static int uniphier_spi_prepare_transfer_hardware(struct spi_master *master)
+static int uniphier_spi_prepare_transfer_hardware(struct spi_controller *host)
 {
-	struct uniphier_spi_priv *priv = spi_master_get_devdata(master);
+	struct uniphier_spi_priv *priv = spi_controller_get_devdata(host);
 
 	writel(SSI_CTL_EN, priv->base + SSI_CTL);
 
 	return 0;
 }
 
-static int uniphier_spi_unprepare_transfer_hardware(struct spi_master *master)
+static int uniphier_spi_unprepare_transfer_hardware(struct spi_controller *host)
 {
-	struct uniphier_spi_priv *priv = spi_master_get_devdata(master);
+	struct uniphier_spi_priv *priv = spi_controller_get_devdata(host);
 
 	writel(0, priv->base + SSI_CTL);
 
 	return 0;
 }
 
-static void uniphier_spi_handle_err(struct spi_master *master,
+static void uniphier_spi_handle_err(struct spi_controller *host,
 				    struct spi_message *msg)
 {
-	struct uniphier_spi_priv *priv = spi_master_get_devdata(master);
+	struct uniphier_spi_priv *priv = spi_controller_get_devdata(host);
 	u32 val;
 
 	/* stop running spi transfer */
@@ -587,12 +587,12 @@ static void uniphier_spi_handle_err(struct spi_master *master,
 	uniphier_spi_irq_disable(priv, SSI_IE_ALL_MASK);
 
 	if (atomic_read(&priv->dma_busy) & SSI_DMA_TX_BUSY) {
-		dmaengine_terminate_async(master->dma_tx);
+		dmaengine_terminate_async(host->dma_tx);
 		atomic_andnot(SSI_DMA_TX_BUSY, &priv->dma_busy);
 	}
 
 	if (atomic_read(&priv->dma_busy) & SSI_DMA_RX_BUSY) {
-		dmaengine_terminate_async(master->dma_rx);
+		dmaengine_terminate_async(host->dma_rx);
 		atomic_andnot(SSI_DMA_RX_BUSY, &priv->dma_busy);
 	}
 }
@@ -641,7 +641,7 @@ static irqreturn_t uniphier_spi_handler(int irq, void *dev_id)
 static int uniphier_spi_probe(struct platform_device *pdev)
 {
 	struct uniphier_spi_priv *priv;
-	struct spi_master *master;
+	struct spi_controller *host;
 	struct resource *res;
 	struct dma_slave_caps caps;
 	u32 dma_tx_burst = 0, dma_rx_burst = 0;
@@ -649,80 +649,76 @@ static int uniphier_spi_probe(struct platform_device *pdev)
 	int irq;
 	int ret;
 
-	master = spi_alloc_master(&pdev->dev, sizeof(*priv));
-	if (!master)
+	host = spi_alloc_host(&pdev->dev, sizeof(*priv));
+	if (!host)
 		return -ENOMEM;
 
-	platform_set_drvdata(pdev, master);
+	platform_set_drvdata(pdev, host);
 
-	priv = spi_master_get_devdata(master);
-	priv->master = master;
+	priv = spi_controller_get_devdata(host);
+	priv->host = host;
 	priv->is_save_param = false;
 
 	priv->base = devm_platform_get_and_ioremap_resource(pdev, 0, &res);
 	if (IS_ERR(priv->base)) {
 		ret = PTR_ERR(priv->base);
-		goto out_master_put;
+		goto out_host_put;
 	}
 	priv->base_dma_addr = res->start;
 
-	priv->clk = devm_clk_get(&pdev->dev, NULL);
+	priv->clk = devm_clk_get_enabled(&pdev->dev, NULL);
 	if (IS_ERR(priv->clk)) {
 		dev_err(&pdev->dev, "failed to get clock\n");
 		ret = PTR_ERR(priv->clk);
-		goto out_master_put;
+		goto out_host_put;
 	}
 
-	ret = clk_prepare_enable(priv->clk);
-	if (ret)
-		goto out_master_put;
-
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0) {
 		ret = irq;
-		goto out_disable_clk;
+		goto out_host_put;
 	}
 
 	ret = devm_request_irq(&pdev->dev, irq, uniphier_spi_handler,
 			       0, "uniphier-spi", priv);
 	if (ret) {
 		dev_err(&pdev->dev, "failed to request IRQ\n");
-		goto out_disable_clk;
+		goto out_host_put;
 	}
 
 	init_completion(&priv->xfer_done);
 
 	clk_rate = clk_get_rate(priv->clk);
 
-	master->max_speed_hz = DIV_ROUND_UP(clk_rate, SSI_MIN_CLK_DIVIDER);
-	master->min_speed_hz = DIV_ROUND_UP(clk_rate, SSI_MAX_CLK_DIVIDER);
-	master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LSB_FIRST;
-	master->dev.of_node = pdev->dev.of_node;
-	master->bus_num = pdev->id;
-	master->bits_per_word_mask = SPI_BPW_RANGE_MASK(1, 32);
+	host->max_speed_hz = DIV_ROUND_UP(clk_rate, SSI_MIN_CLK_DIVIDER);
+	host->min_speed_hz = DIV_ROUND_UP(clk_rate, SSI_MAX_CLK_DIVIDER);
+	host->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH | SPI_LSB_FIRST;
+	host->dev.of_node = pdev->dev.of_node;
+	host->bus_num = pdev->id;
+	host->bits_per_word_mask = SPI_BPW_RANGE_MASK(1, 32);
 
-	master->set_cs = uniphier_spi_set_cs;
-	master->transfer_one = uniphier_spi_transfer_one;
-	master->prepare_transfer_hardware
+	host->set_cs = uniphier_spi_set_cs;
+	host->transfer_one = uniphier_spi_transfer_one;
+	host->prepare_transfer_hardware
 				= uniphier_spi_prepare_transfer_hardware;
-	master->unprepare_transfer_hardware
+	host->unprepare_transfer_hardware
 				= uniphier_spi_unprepare_transfer_hardware;
-	master->handle_err = uniphier_spi_handle_err;
-	master->can_dma = uniphier_spi_can_dma;
+	host->handle_err = uniphier_spi_handle_err;
+	host->can_dma = uniphier_spi_can_dma;
 
-	master->num_chipselect = 1;
-	master->flags = SPI_CONTROLLER_MUST_RX | SPI_CONTROLLER_MUST_TX;
+	host->num_chipselect = 1;
+	host->flags = SPI_CONTROLLER_MUST_RX | SPI_CONTROLLER_MUST_TX;
 
-	master->dma_tx = dma_request_chan(&pdev->dev, "tx");
-	if (IS_ERR_OR_NULL(master->dma_tx)) {
-		if (PTR_ERR(master->dma_tx) == -EPROBE_DEFER) {
+	host->dma_tx = dma_request_chan(&pdev->dev, "tx");
+	if (IS_ERR_OR_NULL(host->dma_tx)) {
+		if (PTR_ERR(host->dma_tx) == -EPROBE_DEFER) {
 			ret = -EPROBE_DEFER;
-			goto out_disable_clk;
+			goto out_host_put;
 		}
-		master->dma_tx = NULL;
+		host->dma_tx = NULL;
 		dma_tx_burst = INT_MAX;
 	} else {
-		ret = dma_get_slave_caps(master->dma_tx, &caps);
+		ret = dma_get_slave_caps(host->dma_tx, &caps);
 		if (ret) {
 			dev_err(&pdev->dev, "failed to get TX DMA capacities: %d\n",
 				ret);
@@ -731,16 +727,16 @@ static int uniphier_spi_probe(struct platform_device *pdev)
 		dma_tx_burst = caps.max_burst;
 	}
 
-	master->dma_rx = dma_request_chan(&pdev->dev, "rx");
-	if (IS_ERR_OR_NULL(master->dma_rx)) {
-		if (PTR_ERR(master->dma_rx) == -EPROBE_DEFER) {
+	host->dma_rx = dma_request_chan(&pdev->dev, "rx");
+	if (IS_ERR_OR_NULL(host->dma_rx)) {
+		if (PTR_ERR(host->dma_rx) == -EPROBE_DEFER) {
 			ret = -EPROBE_DEFER;
 			goto out_release_dma;
 		}
-		master->dma_rx = NULL;
+		host->dma_rx = NULL;
 		dma_rx_burst = INT_MAX;
 	} else {
-		ret = dma_get_slave_caps(master->dma_rx, &caps);
+		ret = dma_get_slave_caps(host->dma_rx, &caps);
 		if (ret) {
 			dev_err(&pdev->dev, "failed to get RX DMA capacities: %d\n",
 				ret);
@@ -749,43 +745,43 @@ static int uniphier_spi_probe(struct platform_device *pdev)
 		dma_rx_burst = caps.max_burst;
 	}
 
-	master->max_dma_len = min(dma_tx_burst, dma_rx_burst);
+	host->max_dma_len = min(dma_tx_burst, dma_rx_burst);
 
-	ret = devm_spi_register_master(&pdev->dev, master);
+	ret = spi_register_controller(host);
 	if (ret)
 		goto out_release_dma;
 
 	return 0;
 
 out_release_dma:
-	if (!IS_ERR_OR_NULL(master->dma_rx)) {
-		dma_release_channel(master->dma_rx);
-		master->dma_rx = NULL;
+	if (!IS_ERR_OR_NULL(host->dma_rx)) {
+		dma_release_channel(host->dma_rx);
+		host->dma_rx = NULL;
 	}
-	if (!IS_ERR_OR_NULL(master->dma_tx)) {
-		dma_release_channel(master->dma_tx);
-		master->dma_tx = NULL;
+	if (!IS_ERR_OR_NULL(host->dma_tx)) {
+		dma_release_channel(host->dma_tx);
+		host->dma_tx = NULL;
 	}
 
-out_disable_clk:
-	clk_disable_unprepare(priv->clk);
-
-out_master_put:
-	spi_master_put(master);
+out_host_put:
+	spi_controller_put(host);
 	return ret;
 }
 
 static void uniphier_spi_remove(struct platform_device *pdev)
 {
-	struct spi_master *master = platform_get_drvdata(pdev);
-	struct uniphier_spi_priv *priv = spi_master_get_devdata(master);
+	struct spi_controller *host = platform_get_drvdata(pdev);
 
-	if (master->dma_tx)
-		dma_release_channel(master->dma_tx);
-	if (master->dma_rx)
-		dma_release_channel(master->dma_rx);
+	spi_controller_get(host);
 
-	clk_disable_unprepare(priv->clk);
+	spi_unregister_controller(host);
+
+	if (host->dma_tx)
+		dma_release_channel(host->dma_tx);
+	if (host->dma_rx)
+		dma_release_channel(host->dma_rx);
+
+	spi_controller_put(host);
 }
 
 static const struct of_device_id uniphier_spi_match[] = {
diff --git a/drivers/spi/spi-zynq-qspi.c b/drivers/spi/spi-zynq-qspi.c
index 9358c75a30f4..3c537b1c0e22 100644
--- a/drivers/spi/spi-zynq-qspi.c
+++ b/drivers/spi/spi-zynq-qspi.c
@@ -54,10 +54,10 @@
 #define ZYNQ_QSPI_CONFIG_MSTREN_MASK	BIT(0) /* Master Mode */
 
 /*
- * QSPI Configuration Register - Baud rate and slave select
+ * QSPI Configuration Register - Baud rate and target select
  *
  * These are the values used in the calculation of baud rate divisor and
- * setting the slave select.
+ * setting the target select.
  */
 #define ZYNQ_QSPI_CONFIG_BAUD_DIV_MAX	GENMASK(2, 0) /* Baud rate maximum */
 #define ZYNQ_QSPI_CONFIG_BAUD_DIV_SHIFT	3 /* Baud rate divisor shift */
@@ -164,14 +164,14 @@ static inline void zynq_qspi_write(struct zynq_qspi *xqspi, u32 offset,
  *
  * The default settings of the QSPI controller's configurable parameters on
  * reset are
- *	- Master mode
+ *	- Host mode
  *	- Baud rate divisor is set to 2
  *	- Tx threshold set to 1l Rx threshold set to 32
  *	- Flash memory interface mode enabled
  *	- Size of the word to be transferred as 8 bit
  * This function performs the following actions
  *	- Disable and clear all the interrupts
- *	- Enable manual slave select
+ *	- Enable manual target select
  *	- Enable manual start
  *	- Deselect all the chip select lines
  *	- Set the size of the word to be transferred as 32 bit
@@ -289,7 +289,7 @@ static void zynq_qspi_txfifo_op(struct zynq_qspi *xqspi, unsigned int size)
  */
 static void zynq_qspi_chipselect(struct spi_device *spi, bool assert)
 {
-	struct spi_controller *ctlr = spi->master;
+	struct spi_controller *ctlr = spi->controller;
 	struct zynq_qspi *xqspi = spi_controller_get_devdata(ctlr);
 	u32 config_reg;
 
@@ -377,23 +377,12 @@ static int zynq_qspi_config_op(struct zynq_qspi *xqspi, struct spi_device *spi)
  */
 static int zynq_qspi_setup_op(struct spi_device *spi)
 {
-	struct spi_controller *ctlr = spi->master;
+	struct spi_controller *ctlr = spi->controller;
 	struct zynq_qspi *qspi = spi_controller_get_devdata(ctlr);
-	int ret;
 
 	if (ctlr->busy)
 		return -EBUSY;
 
-	ret = clk_enable(qspi->refclk);
-	if (ret)
-		return ret;
-
-	ret = clk_enable(qspi->pclk);
-	if (ret) {
-		clk_disable(qspi->refclk);
-		return ret;
-	}
-
 	zynq_qspi_write(qspi, ZYNQ_QSPI_ENABLE_OFFSET,
 			ZYNQ_QSPI_ENABLE_ENABLE_MASK);
 
@@ -534,7 +523,7 @@ static irqreturn_t zynq_qspi_irq(int irq, void *dev_id)
 static int zynq_qspi_exec_mem_op(struct spi_mem *mem,
 				 const struct spi_mem_op *op)
 {
-	struct zynq_qspi *xqspi = spi_controller_get_devdata(mem->spi->master);
+	struct zynq_qspi *xqspi = spi_controller_get_devdata(mem->spi->controller);
 	int err = 0, i;
 	u8 *tmpbuf;
 
@@ -646,58 +635,46 @@ static int zynq_qspi_probe(struct platform_device *pdev)
 	struct zynq_qspi *xqspi;
 	u32 num_cs;
 
-	ctlr = spi_alloc_master(&pdev->dev, sizeof(*xqspi));
+	ctlr = spi_alloc_host(&pdev->dev, sizeof(*xqspi));
 	if (!ctlr)
 		return -ENOMEM;
 
 	xqspi = spi_controller_get_devdata(ctlr);
 	xqspi->dev = dev;
-	platform_set_drvdata(pdev, xqspi);
+	platform_set_drvdata(pdev, ctlr);
 	xqspi->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(xqspi->regs)) {
 		ret = PTR_ERR(xqspi->regs);
-		goto remove_master;
+		goto remove_ctlr;
 	}
 
-	xqspi->pclk = devm_clk_get(&pdev->dev, "pclk");
+	xqspi->pclk = devm_clk_get_enabled(&pdev->dev, "pclk");
 	if (IS_ERR(xqspi->pclk)) {
 		dev_err(&pdev->dev, "pclk clock not found.\n");
 		ret = PTR_ERR(xqspi->pclk);
-		goto remove_master;
+		goto remove_ctlr;
 	}
 
 	init_completion(&xqspi->data_completion);
 
-	xqspi->refclk = devm_clk_get(&pdev->dev, "ref_clk");
+	xqspi->refclk = devm_clk_get_enabled(&pdev->dev, "ref_clk");
 	if (IS_ERR(xqspi->refclk)) {
 		dev_err(&pdev->dev, "ref_clk clock not found.\n");
 		ret = PTR_ERR(xqspi->refclk);
-		goto remove_master;
-	}
-
-	ret = clk_prepare_enable(xqspi->pclk);
-	if (ret) {
-		dev_err(&pdev->dev, "Unable to enable APB clock.\n");
-		goto remove_master;
-	}
-
-	ret = clk_prepare_enable(xqspi->refclk);
-	if (ret) {
-		dev_err(&pdev->dev, "Unable to enable device clock.\n");
-		goto clk_dis_pclk;
+		goto remove_ctlr;
 	}
 
 	xqspi->irq = platform_get_irq(pdev, 0);
 	if (xqspi->irq < 0) {
 		ret = xqspi->irq;
-		goto clk_dis_all;
+		goto remove_ctlr;
 	}
 	ret = devm_request_irq(&pdev->dev, xqspi->irq, zynq_qspi_irq,
 			       0, pdev->name, xqspi);
 	if (ret != 0) {
 		ret = -ENXIO;
 		dev_err(&pdev->dev, "request_irq failed\n");
-		goto clk_dis_all;
+		goto remove_ctlr;
 	}
 
 	ret = of_property_read_u32(np, "num-cs",
@@ -707,7 +684,7 @@ static int zynq_qspi_probe(struct platform_device *pdev)
 	} else if (num_cs > ZYNQ_QSPI_MAX_NUM_CS) {
 		ret = -EINVAL;
 		dev_err(&pdev->dev, "only 2 chip selects are available\n");
-		goto clk_dis_all;
+		goto remove_ctlr;
 	} else {
 		ctlr->num_chipselect = num_cs;
 	}
@@ -722,19 +699,15 @@ static int zynq_qspi_probe(struct platform_device *pdev)
 	/* QSPI controller initializations */
 	zynq_qspi_init_hw(xqspi, ctlr->num_chipselect);
 
-	ret = devm_spi_register_controller(&pdev->dev, ctlr);
+	ret = spi_register_controller(ctlr);
 	if (ret) {
-		dev_err(&pdev->dev, "spi_register_master failed\n");
-		goto clk_dis_all;
+		dev_err(&pdev->dev, "failed to register controller\n");
+		goto remove_ctlr;
 	}
 
 	return ret;
 
-clk_dis_all:
-	clk_disable_unprepare(xqspi->refclk);
-clk_dis_pclk:
-	clk_disable_unprepare(xqspi->pclk);
-remove_master:
+remove_ctlr:
 	spi_controller_put(ctlr);
 
 	return ret;
@@ -752,12 +725,16 @@ static int zynq_qspi_probe(struct platform_device *pdev)
  */
 static void zynq_qspi_remove(struct platform_device *pdev)
 {
-	struct zynq_qspi *xqspi = platform_get_drvdata(pdev);
+	struct spi_controller *ctlr = platform_get_drvdata(pdev);
+	struct zynq_qspi *xqspi = spi_controller_get_devdata(ctlr);
+
+	spi_controller_get(ctlr);
+
+	spi_unregister_controller(ctlr);
 
 	zynq_qspi_write(xqspi, ZYNQ_QSPI_ENABLE_OFFSET, 0);
 
-	clk_disable_unprepare(xqspi->refclk);
-	clk_disable_unprepare(xqspi->pclk);
+	spi_controller_put(ctlr);
 }
 
 static const struct of_device_id zynq_qspi_of_match[] = {
diff --git a/drivers/spi/spi-zynqmp-gqspi.c b/drivers/spi/spi-zynqmp-gqspi.c
index b5deb4fe3b83..b9ed6d6824b2 100644
--- a/drivers/spi/spi-zynqmp-gqspi.c
+++ b/drivers/spi/spi-zynqmp-gqspi.c
@@ -1324,7 +1324,7 @@ 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;
@@ -1365,6 +1365,8 @@ 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/spi/spi.c b/drivers/spi/spi.c
index 91da4cae011c..bb7e5e56f6dc 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -42,6 +42,8 @@ EXPORT_TRACEPOINT_SYMBOL(spi_transfer_stop);
 
 #include "internals.h"
 
+static int __spi_setup(struct spi_device *spi, bool initial_setup);
+
 static DEFINE_IDR(spi_master_idr);
 
 static void spidev_release(struct device *dev)
@@ -677,7 +679,7 @@ static int __spi_add_device(struct spi_device *spi)
 	 * normally rely on the device being setup.  Devices
 	 * using SPI_CS_HIGH can't coexist well otherwise...
 	 */
-	status = spi_setup(spi);
+	status = __spi_setup(spi, true);
 	if (status < 0) {
 		dev_err(dev, "can't setup %s, status %d\n",
 				dev_name(&spi->dev), status);
@@ -3734,27 +3736,7 @@ static int spi_set_cs_timing(struct spi_device *spi)
 	return status;
 }
 
-/**
- * spi_setup - setup SPI mode and clock rate
- * @spi: the device whose settings are being modified
- * Context: can sleep, and no requests are queued to the device
- *
- * SPI protocol drivers may need to update the transfer mode if the
- * device doesn't work with its default.  They may likewise need
- * to update clock rates or word sizes from initial values.  This function
- * changes those settings, and must be called from a context that can sleep.
- * Except for SPI_CS_HIGH, which takes effect immediately, the changes take
- * effect the next time the device is selected and data is transferred to
- * or from it.  When this function returns, the SPI device is deselected.
- *
- * Note that this call will fail if the protocol driver specifies an option
- * that the underlying controller or its driver does not support.  For
- * example, not all hardware supports wire transfers using nine bit words,
- * LSB-first wire encoding, or active-high chipselects.
- *
- * Return: zero on success, else a negative error code.
- */
-int spi_setup(struct spi_device *spi)
+static int __spi_setup(struct spi_device *spi, bool initial_setup)
 {
 	unsigned	bad_bits, ugly_bits;
 	int		status = 0;
@@ -3833,7 +3815,7 @@ int spi_setup(struct spi_device *spi)
 	status = spi_set_cs_timing(spi);
 	if (status) {
 		mutex_unlock(&spi->controller->io_mutex);
-		return status;
+		goto err_cleanup;
 	}
 
 	if (spi->controller->auto_runtime_pm && spi->controller->set_cs) {
@@ -3842,7 +3824,7 @@ int spi_setup(struct spi_device *spi)
 			mutex_unlock(&spi->controller->io_mutex);
 			dev_err(&spi->controller->dev, "Failed to power device: %d\n",
 				status);
-			return status;
+			goto err_cleanup;
 		}
 
 		/*
@@ -3879,6 +3861,37 @@ int spi_setup(struct spi_device *spi)
 			status);
 
 	return status;
+
+err_cleanup:
+	if (initial_setup)
+		spi_cleanup(spi);
+
+	return status;
+}
+
+/**
+ * spi_setup - setup SPI mode and clock rate
+ * @spi: the device whose settings are being modified
+ * Context: can sleep, and no requests are queued to the device
+ *
+ * SPI protocol drivers may need to update the transfer mode if the
+ * device doesn't work with its default.  They may likewise need
+ * to update clock rates or word sizes from initial values.  This function
+ * changes those settings, and must be called from a context that can sleep.
+ * Except for SPI_CS_HIGH, which takes effect immediately, the changes take
+ * effect the next time the device is selected and data is transferred to
+ * or from it.  When this function returns, the SPI device is deselected.
+ *
+ * Note that this call will fail if the protocol driver specifies an option
+ * that the underlying controller or its driver does not support.  For
+ * example, not all hardware supports wire transfers using nine bit words,
+ * LSB-first wire encoding, or active-high chipselects.
+ *
+ * Return: zero on success, else a negative error code.
+ */
+int spi_setup(struct spi_device *spi)
+{
+	return __spi_setup(spi, false);
 }
 EXPORT_SYMBOL_GPL(spi_setup);
 
@@ -4532,7 +4545,7 @@ static int of_spi_notify(struct notifier_block *nb, unsigned long action,
 		 * Clear the flag before adding the device so that fw_devlink
 		 * doesn't skip adding consumers to this device.
 		 */
-		rd->dn->fwnode.flags &= ~FWNODE_FLAG_NOT_DEVICE;
+		fwnode_clear_flag(&rd->dn->fwnode, FWNODE_FLAG_NOT_DEVICE);
 		spi = of_register_spi_device(ctlr, rd->dn);
 		put_device(&ctlr->dev);
 
diff --git a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c
index d2174156573a..de37bb15c856 100644
--- a/drivers/staging/media/atomisp/pci/atomisp_ioctl.c
+++ b/drivers/staging/media/atomisp/pci/atomisp_ioctl.c
@@ -1780,6 +1780,10 @@ static long atomisp_vidioc_default(struct file *file, void *fh,
 	struct atomisp_sub_device *asd = atomisp_to_video_pipe(vdev)->asd;
 	int err;
 
+	/* Disable all private IOCTLs for now! */
+	if (cmd)
+		return -EINVAL;
+
 	switch (cmd) {
 	case ATOMISP_IOC_S_SENSOR_RUNMODE:
 		if (IS_ISP2401)
diff --git a/drivers/staging/media/imx/imx-media-csi.c b/drivers/staging/media/imx/imx-media-csi.c
index dda1ebc34692..2c78b08749a8 100644
--- a/drivers/staging/media/imx/imx-media-csi.c
+++ b/drivers/staging/media/imx/imx-media-csi.c
@@ -97,9 +97,6 @@ struct csi_priv {
 	/* the mipi virtual channel number at link validate */
 	int vc_num;
 
-	/* media bus config of the upstream subdevice CSI is receiving from */
-	struct v4l2_mbus_config mbus_cfg;
-
 	spinlock_t irqlock; /* protect eof_irq handler */
 	struct timer_list eof_timeout_timer;
 	int eof_irq;
@@ -403,7 +400,8 @@ static void csi_idmac_unsetup_vb2_buf(struct csi_priv *priv,
 }
 
 /* init the SMFC IDMAC channel */
-static int csi_idmac_setup_channel(struct csi_priv *priv)
+static int csi_idmac_setup_channel(struct csi_priv *priv,
+				   struct v4l2_mbus_config *mbus_cfg)
 {
 	struct imx_media_video_dev *vdev = priv->vdev;
 	const struct imx_media_pixfmt *incc;
@@ -432,7 +430,7 @@ static int csi_idmac_setup_channel(struct csi_priv *priv)
 	image.phys0 = phys[0];
 	image.phys1 = phys[1];
 
-	passthrough = requires_passthrough(&priv->mbus_cfg, infmt, incc);
+	passthrough = requires_passthrough(mbus_cfg, infmt, incc);
 	passthrough_cycles = 1;
 
 	/*
@@ -572,11 +570,12 @@ static void csi_idmac_unsetup(struct csi_priv *priv,
 	csi_idmac_unsetup_vb2_buf(priv, state);
 }
 
-static int csi_idmac_setup(struct csi_priv *priv)
+static int csi_idmac_setup(struct csi_priv *priv,
+			   struct v4l2_mbus_config *mbus_cfg)
 {
 	int ret;
 
-	ret = csi_idmac_setup_channel(priv);
+	ret = csi_idmac_setup_channel(priv, mbus_cfg);
 	if (ret)
 		return ret;
 
@@ -595,7 +594,8 @@ static int csi_idmac_setup(struct csi_priv *priv)
 	return 0;
 }
 
-static int csi_idmac_start(struct csi_priv *priv)
+static int csi_idmac_start(struct csi_priv *priv,
+			   struct v4l2_mbus_config *mbus_cfg)
 {
 	struct imx_media_video_dev *vdev = priv->vdev;
 	int ret;
@@ -619,7 +619,7 @@ static int csi_idmac_start(struct csi_priv *priv)
 	priv->last_eof = false;
 	priv->nfb4eof = false;
 
-	ret = csi_idmac_setup(priv);
+	ret = csi_idmac_setup(priv, mbus_cfg);
 	if (ret) {
 		v4l2_err(&priv->sd, "csi_idmac_setup failed: %d\n", ret);
 		goto out_free_dma_buf;
@@ -701,7 +701,8 @@ static void csi_idmac_stop(struct csi_priv *priv)
 }
 
 /* Update the CSI whole sensor and active windows */
-static int csi_setup(struct csi_priv *priv)
+static int csi_setup(struct csi_priv *priv,
+		     struct v4l2_mbus_config *mbus_cfg)
 {
 	struct v4l2_mbus_framefmt *infmt, *outfmt;
 	const struct imx_media_pixfmt *incc;
@@ -719,7 +720,7 @@ static int csi_setup(struct csi_priv *priv)
 	 * if cycles is set, we need to handle this over multiple cycles as
 	 * generic/bayer data
 	 */
-	if (is_parallel_bus(&priv->mbus_cfg) && incc->cycles) {
+	if (is_parallel_bus(mbus_cfg) && incc->cycles) {
 		if_fmt.width *= incc->cycles;
 		crop.width *= incc->cycles;
 	}
@@ -730,7 +731,7 @@ static int csi_setup(struct csi_priv *priv)
 			     priv->crop.width == 2 * priv->compose.width,
 			     priv->crop.height == 2 * priv->compose.height);
 
-	ipu_csi_init_interface(priv->csi, &priv->mbus_cfg, &if_fmt, outfmt);
+	ipu_csi_init_interface(priv->csi, mbus_cfg, &if_fmt, outfmt);
 
 	ipu_csi_set_dest(priv->csi, priv->dest);
 
@@ -745,9 +746,17 @@ static int csi_setup(struct csi_priv *priv)
 
 static int csi_start(struct csi_priv *priv)
 {
+	struct v4l2_mbus_config mbus_cfg = { .type = 0 };
 	struct v4l2_fract *input_fi, *output_fi;
 	int ret;
 
+	ret = csi_get_upstream_mbus_config(priv, &mbus_cfg);
+	if (ret) {
+		v4l2_err(&priv->sd,
+			 "failed to get upstream media bus configuration\n");
+		return ret;
+	}
+
 	input_fi = &priv->frame_interval[CSI_SINK_PAD];
 	output_fi = &priv->frame_interval[priv->active_output_pad];
 
@@ -758,7 +767,7 @@ static int csi_start(struct csi_priv *priv)
 		return ret;
 
 	/* Skip first few frames from a BT.656 source */
-	if (priv->mbus_cfg.type == V4L2_MBUS_BT656) {
+	if (mbus_cfg.type == V4L2_MBUS_BT656) {
 		u32 delay_usec, bad_frames = 20;
 
 		delay_usec = DIV_ROUND_UP_ULL((u64)USEC_PER_SEC *
@@ -769,12 +778,12 @@ static int csi_start(struct csi_priv *priv)
 	}
 
 	if (priv->dest == IPU_CSI_DEST_IDMAC) {
-		ret = csi_idmac_start(priv);
+		ret = csi_idmac_start(priv, &mbus_cfg);
 		if (ret)
 			goto stop_upstream;
 	}
 
-	ret = csi_setup(priv);
+	ret = csi_setup(priv, &mbus_cfg);
 	if (ret)
 		goto idmac_stop;
 
@@ -1122,7 +1131,6 @@ static int csi_link_validate(struct v4l2_subdev *sd,
 
 	mutex_lock(&priv->lock);
 
-	priv->mbus_cfg = mbus_cfg;
 	is_csi2 = !is_parallel_bus(&mbus_cfg);
 	if (is_csi2) {
 		/*
diff --git a/drivers/staging/vme_user/vme_fake.c b/drivers/staging/vme_user/vme_fake.c
index 95730d1270af..c70aec959f4d 100644
--- a/drivers/staging/vme_user/vme_fake.c
+++ b/drivers/staging/vme_user/vme_fake.c
@@ -1235,6 +1235,8 @@ static int __init fake_init(void)
 err_driver:
 	kfree(fake_bridge);
 err_struct:
+	root_device_unregister(vme_root);
+
 	return retval;
 }
 
diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c
index a52a4ac735e1..74a71c8d7ac1 100644
--- a/drivers/target/target_core_configfs.c
+++ b/drivers/target/target_core_configfs.c
@@ -3134,7 +3134,7 @@ 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/thermal/sprd_thermal.c b/drivers/thermal/sprd_thermal.c
index e27c4bdc8912..6e40288bcae9 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/thermal/thermal_core.c b/drivers/thermal/thermal_core.c
index 660a8d6f3567..3efdd2ae6dcb 100644
--- a/drivers/thermal/thermal_core.c
+++ b/drivers/thermal/thermal_core.c
@@ -804,6 +804,7 @@ static void thermal_release(struct device *dev)
 		     sizeof("thermal_zone") - 1)) {
 		tz = to_thermal_zone(dev);
 		thermal_zone_destroy_device_groups(tz);
+		thermal_set_governor(tz, NULL);
 		mutex_destroy(&tz->lock);
 		complete(&tz->removal);
 	} else if (!strncmp(dev_name(dev), "cooling_device",
@@ -1325,8 +1326,10 @@ thermal_zone_device_register_with_trips(const char *type, struct thermal_trip *t
 	/* sys I/F */
 	/* Add nodes that are always present via .groups */
 	result = thermal_zone_create_device_groups(tz, mask);
-	if (result)
+	if (result) {
+		thermal_set_governor(tz, NULL);
 		goto remove_id;
+	}
 
 	/* A new thermal zone needs to be updated anyway. */
 	atomic_set(&tz->need_update, 1);
@@ -1478,8 +1481,6 @@ void thermal_zone_device_unregister(struct thermal_zone_device *tz)
 
 	cancel_delayed_work_sync(&tz->poll_queue);
 
-	thermal_set_governor(tz, NULL);
-
 	thermal_remove_hwmon_sysfs(tz);
 	ida_free(&thermal_tz_ida, tz->id);
 	ida_destroy(&tz->ida);
diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
index c161a4ee5290..87991d9d2f2f 100644
--- a/drivers/usb/chipidea/core.c
+++ b/drivers/usb/chipidea/core.c
@@ -543,30 +543,31 @@ static irqreturn_t ci_irq_handler(int irq, void *data)
 			if (ret == IRQ_HANDLED)
 				return ret;
 		}
-	}
 
-	/*
-	 * Handle id change interrupt, it indicates device/host function
-	 * switch.
-	 */
-	if (ci->is_otg && (otgsc & OTGSC_IDIE) && (otgsc & OTGSC_IDIS)) {
-		ci->id_event = true;
-		/* Clear ID change irq status */
-		hw_write_otgsc(ci, OTGSC_IDIS, OTGSC_IDIS);
-		ci_otg_queue_work(ci);
-		return IRQ_HANDLED;
-	}
+		/*
+		 * Handle id change interrupt, it indicates device/host function
+		 * switch.
+		 */
+		if ((otgsc & OTGSC_IDIE) && (otgsc & OTGSC_IDIS)) {
+			ci->id_event = true;
+			/* Clear ID change irq status */
+			hw_write_otgsc(ci, OTGSC_IDIS, OTGSC_IDIS);
+		}
 
-	/*
-	 * Handle vbus change interrupt, it indicates device connection
-	 * and disconnection events.
-	 */
-	if (ci->is_otg && (otgsc & OTGSC_BSVIE) && (otgsc & OTGSC_BSVIS)) {
-		ci->b_sess_valid_event = true;
-		/* Clear BSV irq */
-		hw_write_otgsc(ci, OTGSC_BSVIS, OTGSC_BSVIS);
-		ci_otg_queue_work(ci);
-		return IRQ_HANDLED;
+		/*
+		 * Handle vbus change interrupt, it indicates device connection
+		 * and disconnection events.
+		 */
+		if ((otgsc & OTGSC_BSVIE) && (otgsc & OTGSC_BSVIS)) {
+			ci->b_sess_valid_event = true;
+			/* Clear BSV irq */
+			hw_write_otgsc(ci, OTGSC_BSVIS, OTGSC_BSVIS);
+		}
+
+		if (ci->id_event || ci->b_sess_valid_event) {
+			ci_otg_queue_work(ci);
+			return IRQ_HANDLED;
+		}
 	}
 
 	/* Handle device/host interrupt */
diff --git a/drivers/usb/chipidea/otg.c b/drivers/usb/chipidea/otg.c
index 647e98f4e351..fecc7d7e2f0d 100644
--- a/drivers/usb/chipidea/otg.c
+++ b/drivers/usb/chipidea/otg.c
@@ -130,6 +130,9 @@ enum ci_role ci_otg_role(struct ci_hdrc *ci)
 
 void ci_handle_vbus_change(struct ci_hdrc *ci)
 {
+	if (ci->role != CI_ROLE_GADGET)
+		return;
+
 	if (!ci->is_otg) {
 		if (ci->platdata->flags & CI_HDRC_FORCE_VBUS_ACTIVE_ALWAYS)
 			usb_gadget_vbus_connect(&ci->gadget);
@@ -187,8 +190,8 @@ void ci_handle_id_switch(struct ci_hdrc *ci)
 
 		ci_role_stop(ci);
 
-		if (role == CI_ROLE_GADGET &&
-				IS_ERR(ci->platdata->vbus_extcon.edev))
+		if (role == CI_ROLE_GADGET && !ci->role_switch &&
+		    IS_ERR(ci->platdata->vbus_extcon.edev))
 			/*
 			 * Wait vbus lower than OTGSC_BSV before connecting
 			 * to host. If connecting status is from an external
diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c
index ff1a941fd2ed..7424052a1fa9 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 c9f52cd1cfb2..b1957dc687a8 100644
--- a/drivers/usb/common/ulpi.c
+++ b/drivers/usb/common/ulpi.c
@@ -286,12 +286,15 @@ 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/dwc3/core.c b/drivers/usb/dwc3/core.c
index 11b938fd9de0..3ac0de8351f5 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -1240,12 +1240,6 @@ static int dwc3_core_init(struct dwc3 *dwc)
 
 	hw_mode = DWC3_GHWPARAMS0_MODE(dwc->hwparams.hwparams0);
 
-	/*
-	 * Write Linux Version Code to our GUID register so it's easy to figure
-	 * out which kernel version a bug was found.
-	 */
-	dwc3_writel(dwc->regs, DWC3_GUID, LINUX_VERSION_CODE);
-
 	ret = dwc3_phy_setup(dwc);
 	if (ret)
 		return ret;
@@ -1277,6 +1271,12 @@ static int dwc3_core_init(struct dwc3 *dwc)
 	if (ret)
 		goto err_exit_phy;
 
+	/*
+	 * Write Linux Version Code to our GUID register so it's easy to figure
+	 * out which kernel version a bug was found.
+	 */
+	dwc3_writel(dwc->regs, DWC3_GUID, LINUX_VERSION_CODE);
+
 	dwc3_core_setup_global_control(dwc);
 	dwc3_core_num_eps(dwc);
 
diff --git a/drivers/usb/gadget/udc/omap_udc.c b/drivers/usb/gadget/udc/omap_udc.c
index f90eeecf27de..895d5c5df1ae 100644
--- a/drivers/usb/gadget/udc/omap_udc.c
+++ b/drivers/usb/gadget/udc/omap_udc.c
@@ -734,8 +734,6 @@ 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,
@@ -757,8 +755,6 @@ 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/host/xhci.c b/drivers/usb/host/xhci.c
index 0fdb0780d19c..9243eff82817 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -3102,7 +3102,6 @@ static void xhci_endpoint_disable(struct usb_hcd *hcd,
 		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 4027d81e8932..835727335c73 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -1513,7 +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/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index 2e39686e01c9..c6330084d4f6 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -4610,6 +4610,8 @@ static void run_state_machine(struct tcpm_port *port)
 		usb_power_delivery_unregister_capabilities(port->partner_source_caps);
 		port->partner_source_caps = NULL;
 		tcpm_pd_send_control(port, PD_CTRL_ACCEPT);
+		port->vdm_sm_running = false;
+		port->explicit_contract = false;
 		tcpm_ams_finish(port);
 		if (port->pwr_role == TYPEC_SOURCE) {
 			port->upcoming_state = SRC_SEND_CAPABILITIES;
diff --git a/drivers/video/fbdev/core/fb_defio.c b/drivers/video/fbdev/core/fb_defio.c
index b9607d5a370d..f4812a76c3cc 100644
--- a/drivers/video/fbdev/core/fb_defio.c
+++ b/drivers/video/fbdev/core/fb_defio.c
@@ -23,6 +23,75 @@
 #include <linux/rmap.h>
 #include <linux/pagemap.h>
 
+/*
+ * struct fb_deferred_io_state
+ */
+
+struct fb_deferred_io_state {
+	struct kref ref;
+
+	struct mutex lock; /* mutex that protects the pageref list */
+	/* fields protected by lock */
+	struct fb_info *info;
+};
+
+static struct fb_deferred_io_state *fb_deferred_io_state_alloc(void)
+{
+	struct fb_deferred_io_state *fbdefio_state;
+
+	fbdefio_state = kzalloc(sizeof(*fbdefio_state), GFP_KERNEL);
+	if (!fbdefio_state)
+		return NULL;
+
+	kref_init(&fbdefio_state->ref);
+	mutex_init(&fbdefio_state->lock);
+
+	return fbdefio_state;
+}
+
+static void fb_deferred_io_state_release(struct fb_deferred_io_state *fbdefio_state)
+{
+	mutex_destroy(&fbdefio_state->lock);
+
+	kfree(fbdefio_state);
+}
+
+static void fb_deferred_io_state_get(struct fb_deferred_io_state *fbdefio_state)
+{
+	kref_get(&fbdefio_state->ref);
+}
+
+static void __fb_deferred_io_state_release(struct kref *ref)
+{
+	struct fb_deferred_io_state *fbdefio_state =
+		container_of(ref, struct fb_deferred_io_state, ref);
+
+	fb_deferred_io_state_release(fbdefio_state);
+}
+
+static void fb_deferred_io_state_put(struct fb_deferred_io_state *fbdefio_state)
+{
+	kref_put(&fbdefio_state->ref, __fb_deferred_io_state_release);
+}
+
+/*
+ * struct vm_operations_struct
+ */
+
+static void fb_deferred_io_vm_open(struct vm_area_struct *vma)
+{
+	struct fb_deferred_io_state *fbdefio_state = vma->vm_private_data;
+
+	fb_deferred_io_state_get(fbdefio_state);
+}
+
+static void fb_deferred_io_vm_close(struct vm_area_struct *vma)
+{
+	struct fb_deferred_io_state *fbdefio_state = vma->vm_private_data;
+
+	fb_deferred_io_state_put(fbdefio_state);
+}
+
 static struct page *fb_deferred_io_page(struct fb_info *info, unsigned long offs)
 {
 	void *screen_base = (void __force *) info->screen_base;
@@ -93,17 +162,31 @@ static void fb_deferred_io_pageref_put(struct fb_deferred_io_pageref *pageref,
 /* this is to find and return the vmalloc-ed fb pages */
 static vm_fault_t fb_deferred_io_fault(struct vm_fault *vmf)
 {
+	struct fb_info *info;
 	unsigned long offset;
 	struct page *page;
-	struct fb_info *info = vmf->vma->vm_private_data;
+	vm_fault_t ret;
+	struct fb_deferred_io_state *fbdefio_state = vmf->vma->vm_private_data;
+
+	mutex_lock(&fbdefio_state->lock);
+
+	info = fbdefio_state->info;
+	if (!info) {
+		ret = VM_FAULT_SIGBUS; /* our device is gone */
+		goto err_mutex_unlock;
+	}
 
 	offset = vmf->pgoff << PAGE_SHIFT;
-	if (offset >= info->fix.smem_len)
-		return VM_FAULT_SIGBUS;
+	if (offset >= info->fix.smem_len) {
+		ret = VM_FAULT_SIGBUS;
+		goto err_mutex_unlock;
+	}
 
 	page = fb_deferred_io_page(info, offset);
-	if (!page)
-		return VM_FAULT_SIGBUS;
+	if (!page) {
+		ret = VM_FAULT_SIGBUS;
+		goto err_mutex_unlock;
+	}
 
 	get_page(page);
 
@@ -115,8 +198,15 @@ static vm_fault_t fb_deferred_io_fault(struct vm_fault *vmf)
 	BUG_ON(!page->mapping);
 	page->index = vmf->pgoff; /* for page_mkclean() */
 
+	mutex_unlock(&fbdefio_state->lock);
+
 	vmf->page = page;
+
 	return 0;
+
+err_mutex_unlock:
+	mutex_unlock(&fbdefio_state->lock);
+	return ret;
 }
 
 int fb_deferred_io_fsync(struct file *file, loff_t start, loff_t end, int datasync)
@@ -143,15 +233,24 @@ EXPORT_SYMBOL_GPL(fb_deferred_io_fsync);
  * Adds a page to the dirty list. Call this from struct
  * vm_operations_struct.page_mkwrite.
  */
-static vm_fault_t fb_deferred_io_track_page(struct fb_info *info, unsigned long offset,
-					    struct page *page)
+static vm_fault_t fb_deferred_io_track_page(struct fb_deferred_io_state *fbdefio_state,
+					    unsigned long offset, struct page *page)
 {
-	struct fb_deferred_io *fbdefio = info->fbdefio;
+	struct fb_info *info;
+	struct fb_deferred_io *fbdefio;
 	struct fb_deferred_io_pageref *pageref;
 	vm_fault_t ret;
 
 	/* protect against the workqueue changing the page list */
-	mutex_lock(&fbdefio->lock);
+	mutex_lock(&fbdefio_state->lock);
+
+	info = fbdefio_state->info;
+	if (!info) {
+		ret = VM_FAULT_SIGBUS; /* our device is gone */
+		goto err_mutex_unlock;
+	}
+
+	fbdefio = info->fbdefio;
 
 	pageref = fb_deferred_io_pageref_get(info, offset, page);
 	if (WARN_ON_ONCE(!pageref)) {
@@ -169,50 +268,38 @@ static vm_fault_t fb_deferred_io_track_page(struct fb_info *info, unsigned long
 	 */
 	lock_page(pageref->page);
 
-	mutex_unlock(&fbdefio->lock);
+	mutex_unlock(&fbdefio_state->lock);
 
 	/* come back after delay to process the deferred IO */
 	schedule_delayed_work(&info->deferred_work, fbdefio->delay);
 	return VM_FAULT_LOCKED;
 
 err_mutex_unlock:
-	mutex_unlock(&fbdefio->lock);
+	mutex_unlock(&fbdefio_state->lock);
 	return ret;
 }
 
-/*
- * fb_deferred_io_page_mkwrite - Mark a page as written for deferred I/O
- * @fb_info: The fbdev info structure
- * @vmf: The VM fault
- *
- * This is a callback we get when userspace first tries to
- * write to the page. We schedule a workqueue. That workqueue
- * will eventually mkclean the touched pages and execute the
- * deferred framebuffer IO. Then if userspace touches a page
- * again, we repeat the same scheme.
- *
- * Returns:
- * VM_FAULT_LOCKED on success, or a VM_FAULT error otherwise.
- */
-static vm_fault_t fb_deferred_io_page_mkwrite(struct fb_info *info, struct vm_fault *vmf)
+static vm_fault_t fb_deferred_io_page_mkwrite(struct fb_deferred_io_state *fbdefio_state,
+					      struct vm_fault *vmf)
 {
 	unsigned long offset = vmf->pgoff << PAGE_SHIFT;
 	struct page *page = vmf->page;
 
 	file_update_time(vmf->vma->vm_file);
 
-	return fb_deferred_io_track_page(info, offset, page);
+	return fb_deferred_io_track_page(fbdefio_state, offset, page);
 }
 
-/* vm_ops->page_mkwrite handler */
 static vm_fault_t fb_deferred_io_mkwrite(struct vm_fault *vmf)
 {
-	struct fb_info *info = vmf->vma->vm_private_data;
+	struct fb_deferred_io_state *fbdefio_state = vmf->vma->vm_private_data;
 
-	return fb_deferred_io_page_mkwrite(info, vmf);
+	return fb_deferred_io_page_mkwrite(fbdefio_state, vmf);
 }
 
 static const struct vm_operations_struct fb_deferred_io_vm_ops = {
+	.open		= fb_deferred_io_vm_open,
+	.close		= fb_deferred_io_vm_close,
 	.fault		= fb_deferred_io_fault,
 	.page_mkwrite	= fb_deferred_io_mkwrite,
 };
@@ -227,7 +314,10 @@ int fb_deferred_io_mmap(struct fb_info *info, struct vm_area_struct *vma)
 	vm_flags_set(vma, VM_DONTEXPAND | VM_DONTDUMP);
 	if (!(info->flags & FBINFO_VIRTFB))
 		vm_flags_set(vma, VM_IO);
-	vma->vm_private_data = info;
+	vma->vm_private_data = info->fbdefio_state;
+
+	fb_deferred_io_state_get(info->fbdefio_state); /* released in vma->vm_ops->close() */
+
 	return 0;
 }
 EXPORT_SYMBOL_GPL(fb_deferred_io_mmap);
@@ -238,9 +328,10 @@ static void fb_deferred_io_work(struct work_struct *work)
 	struct fb_info *info = container_of(work, struct fb_info, deferred_work.work);
 	struct fb_deferred_io_pageref *pageref, *next;
 	struct fb_deferred_io *fbdefio = info->fbdefio;
+	struct fb_deferred_io_state *fbdefio_state = info->fbdefio_state;
 
 	/* here we mkclean the pages, then do all deferred IO */
-	mutex_lock(&fbdefio->lock);
+	mutex_lock(&fbdefio_state->lock);
 	list_for_each_entry(pageref, &fbdefio->pagereflist, list) {
 		struct page *cur = pageref->page;
 		lock_page(cur);
@@ -255,12 +346,13 @@ static void fb_deferred_io_work(struct work_struct *work)
 	list_for_each_entry_safe(pageref, next, &fbdefio->pagereflist, list)
 		fb_deferred_io_pageref_put(pageref, info);
 
-	mutex_unlock(&fbdefio->lock);
+	mutex_unlock(&fbdefio_state->lock);
 }
 
 int fb_deferred_io_init(struct fb_info *info)
 {
 	struct fb_deferred_io *fbdefio = info->fbdefio;
+	struct fb_deferred_io_state *fbdefio_state;
 	struct fb_deferred_io_pageref *pagerefs;
 	unsigned long npagerefs, i;
 	int ret;
@@ -270,7 +362,11 @@ int fb_deferred_io_init(struct fb_info *info)
 	if (WARN_ON(!info->fix.smem_len))
 		return -EINVAL;
 
-	mutex_init(&fbdefio->lock);
+	fbdefio_state = fb_deferred_io_state_alloc();
+	if (!fbdefio_state)
+		return -ENOMEM;
+	fbdefio_state->info = info;
+
 	INIT_DELAYED_WORK(&info->deferred_work, fb_deferred_io_work);
 	INIT_LIST_HEAD(&fbdefio->pagereflist);
 	if (fbdefio->delay == 0) /* set a default of 1 s */
@@ -289,10 +385,12 @@ int fb_deferred_io_init(struct fb_info *info)
 	info->npagerefs = npagerefs;
 	info->pagerefs = pagerefs;
 
+	info->fbdefio_state = fbdefio_state;
+
 	return 0;
 
 err:
-	mutex_destroy(&fbdefio->lock);
+	fb_deferred_io_state_release(fbdefio_state);
 	return ret;
 }
 EXPORT_SYMBOL_GPL(fb_deferred_io_init);
@@ -333,11 +431,18 @@ EXPORT_SYMBOL_GPL(fb_deferred_io_release);
 
 void fb_deferred_io_cleanup(struct fb_info *info)
 {
-	struct fb_deferred_io *fbdefio = info->fbdefio;
+	struct fb_deferred_io_state *fbdefio_state = info->fbdefio_state;
 
 	fb_deferred_io_lastclose(info);
 
+	info->fbdefio_state = NULL;
+
+	mutex_lock(&fbdefio_state->lock);
+	fbdefio_state->info = NULL;
+	mutex_unlock(&fbdefio_state->lock);
+
+	fb_deferred_io_state_put(fbdefio_state);
+
 	kvfree(info->pagerefs);
-	mutex_destroy(&fbdefio->lock);
 }
 EXPORT_SYMBOL_GPL(fb_deferred_io_cleanup);
diff --git a/drivers/video/fbdev/core/fbcon_rotate.c b/drivers/video/fbdev/core/fbcon_rotate.c
index ec3c883400f7..4a06e71ae443 100644
--- a/drivers/video/fbdev/core/fbcon_rotate.c
+++ b/drivers/video/fbdev/core/fbcon_rotate.c
@@ -46,6 +46,10 @@ static int fbcon_rotate_font(struct fb_info *info, struct vc_data *vc)
 		info->fbops->fb_sync(info);
 
 	if (ops->fd_size < d_cellsize * len) {
+		kfree(ops->fontbuffer);
+		ops->fontbuffer = NULL;
+		ops->fd_size = 0;
+
 		dst = kmalloc_array(len, d_cellsize, GFP_KERNEL);
 
 		if (dst == NULL) {
@@ -54,7 +58,6 @@ static int fbcon_rotate_font(struct fb_info *info, struct vc_data *vc)
 		}
 
 		ops->fd_size = d_cellsize * len;
-		kfree(ops->fontbuffer);
 		ops->fontbuffer = dst;
 	}
 
diff --git a/drivers/video/fbdev/udlfb.c b/drivers/video/fbdev/udlfb.c
index 077f064ddd48..80b36f4caf0c 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 (info->fbdefio)
 		return fb_deferred_io_mmap(info, vma);
@@ -356,6 +376,9 @@ 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;
 }
 
@@ -1219,7 +1242,6 @@ 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)
 {
@@ -1231,6 +1253,13 @@ 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/binfmt_elf.c b/fs/binfmt_elf.c
index 3ff7d2e47c7e..e4348dd76658 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -2035,7 +2035,7 @@ static void free_note_info(struct elf_note_info *info)
 		threads = t->next;
 		WARN_ON(t->notes[0].data && t->notes[0].data != &t->prstatus);
 		for (i = 1; i < info->thread_notes; ++i)
-			kfree(t->notes[i].data);
+			kvfree(t->notes[i].data);
 		kfree(t);
 	}
 	kfree(info->psinfo.data);
diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c
index 4723013995f5..d17d1eff8eff 100644
--- a/fs/btrfs/ioctl.c
+++ b/fs/btrfs/ioctl.c
@@ -3087,7 +3087,7 @@ static long btrfs_ioctl_space_info(struct btrfs_fs_info *fs_info,
 		return -ENOMEM;
 
 	space_args.total_spaces = 0;
-	dest = kmalloc(alloc_size, GFP_KERNEL);
+	dest = kzalloc(alloc_size, GFP_KERNEL);
 	if (!dest)
 		return -ENOMEM;
 	dest_orig = dest;
@@ -3143,7 +3143,8 @@ static long btrfs_ioctl_space_info(struct btrfs_fs_info *fs_info,
 	user_dest = (struct btrfs_ioctl_space_info __user *)
 		(arg + sizeof(struct btrfs_ioctl_space_args));
 
-	if (copy_to_user(user_dest, dest_orig, alloc_size))
+	if (copy_to_user(user_dest, dest_orig,
+		 space_args.total_spaces * sizeof(*dest_orig)))
 		ret = -EFAULT;
 
 	kfree(dest_orig);
diff --git a/fs/btrfs/space-info.c b/fs/btrfs/space-info.c
index 12f8f55bb993..0a960b6c866e 100644
--- a/fs/btrfs/space-info.c
+++ b/fs/btrfs/space-info.c
@@ -293,7 +293,7 @@ static int create_space_info(struct btrfs_fs_info *info, u64 flags)
 
 	ret = btrfs_sysfs_add_space_info_type(info, space_info);
 	if (ret)
-		goto out_free;
+		return ret;
 
 	list_add(&space_info->list, &info->space_info);
 	if (flags & BTRFS_BLOCK_GROUP_DATA)
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
index cc448470fd9b..d3bb28939194 100644
--- a/fs/ceph/dir.c
+++ b/fs/ceph/dir.c
@@ -745,7 +745,8 @@ struct dentry *ceph_finish_lookup(struct ceph_mds_request *req,
 				d_drop(dentry);
 				err = -ENOENT;
 			} else {
-				d_add(dentry, NULL);
+				if (d_unhashed(dentry))
+					d_add(dentry, NULL);
 			}
 		}
 	}
@@ -813,7 +814,8 @@ static struct dentry *ceph_lookup(struct inode *dir, struct dentry *dentry,
 			__ceph_touch_fmode(ci, mdsc, CEPH_FILE_MODE_RD);
 			spin_unlock(&ci->i_ceph_lock);
 			dout(" dir %p complete, -ENOENT\n", dir);
-			d_add(dentry, NULL);
+			if (d_unhashed(dentry))
+				d_add(dentry, NULL);
 			di->lease_shared_gen = atomic_read(&ci->i_shared_gen);
 			return NULL;
 		}
diff --git a/fs/erofs/decompressor.c b/fs/erofs/decompressor.c
index 86e088fd386e..18e4da98309d 100644
--- a/fs/erofs/decompressor.c
+++ b/fs/erofs/decompressor.c
@@ -133,6 +133,7 @@ static void *z_erofs_lz4_handle_overlap(struct z_erofs_lz4_decompress_ctx *ctx,
 	if (rq->inplace_io) {
 		omargin = PAGE_ALIGN(ctx->oend) - ctx->oend;
 		if (rq->partial_decoding || !may_inplace ||
+		    ctx->outpages < ctx->inpages ||
 		    omargin < LZ4_DECOMPRESS_INPLACE_MARGIN(rq->inputsize))
 			goto docopy;
 
diff --git a/fs/erofs/dir.c b/fs/erofs/dir.c
index b80abec0531a..c5a965c5c8f8 100644
--- a/fs/erofs/dir.c
+++ b/fs/erofs/dir.c
@@ -22,20 +22,18 @@ static int erofs_fill_dentries(struct inode *dir, struct dir_context *ctx,
 		nameoff = le16_to_cpu(de->nameoff);
 		de_name = (char *)dentry_blk + nameoff;
 
-		/* the last dirent in the block? */
-		if (de + 1 >= end)
-			de_namelen = strnlen(de_name, maxsize - nameoff);
-		else
+		/* non-trailing dirent in the directory block? */
+		if (de + 1 < end)
 			de_namelen = le16_to_cpu(de[1].nameoff) - nameoff;
+		else if (maxsize <= nameoff)
+			goto err_bogus;
+		else
+			de_namelen = strnlen(de_name, maxsize - nameoff);
 
-		/* a corrupted entry is found */
-		if (nameoff + de_namelen > maxsize ||
-		    de_namelen > EROFS_NAME_LEN) {
-			erofs_err(dir->i_sb, "bogus dirent @ nid %llu",
-				  EROFS_I(dir)->nid);
-			DBG_BUGON(1);
-			return -EFSCORRUPTED;
-		}
+		/* a corrupted entry is found (including negative namelen) */
+		if (!in_range32(de_namelen, 1, EROFS_NAME_LEN) ||
+		    nameoff + de_namelen > maxsize)
+			goto err_bogus;
 
 		if (!dir_emit(ctx, de_name, de_namelen,
 			      le64_to_cpu(de->nid), d_type))
@@ -44,6 +42,10 @@ static int erofs_fill_dentries(struct inode *dir, struct dir_context *ctx,
 		ctx->pos += sizeof(struct erofs_dirent);
 	}
 	return 0;
+err_bogus:
+	erofs_err(dir->i_sb, "bogus dirent @ nid %llu", EROFS_I(dir)->nid);
+	DBG_BUGON(1);
+	return -EFSCORRUPTED;
 }
 
 static int erofs_readdir(struct file *f, struct dir_context *ctx)
@@ -72,7 +74,7 @@ static int erofs_readdir(struct file *f, struct dir_context *ctx)
 		}
 
 		nameoff = le16_to_cpu(de->nameoff);
-		if (nameoff < sizeof(struct erofs_dirent) || nameoff >= bsz) {
+		if (!nameoff || nameoff >= bsz || (nameoff % sizeof(*de))) {
 			erofs_err(sb, "invalid de[0].nameoff %u @ nid %llu",
 				  nameoff, EROFS_I(dir)->nid);
 			err = -EFSCORRUPTED;
diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index 6ff1f8f29a3c..6eccee033617 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -1432,9 +1432,17 @@ 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/extents.c b/fs/ext4/extents.c
index 7626cf2b07f1..a94798e23c1a 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -1743,6 +1743,13 @@ static int ext4_ext_correct_indexes(handle_t *handle, struct inode *inode,
 	err = ext4_ext_get_access(handle, inode, path + k);
 	if (err)
 		return err;
+	if (unlikely(path[k].p_idx > EXT_LAST_INDEX(path[k].p_hdr))) {
+		EXT4_ERROR_INODE(inode,
+				 "path[%d].p_idx %p > EXT_LAST_INDEX %p",
+				 k, path[k].p_idx,
+				 EXT_LAST_INDEX(path[k].p_hdr));
+		return -EFSCORRUPTED;
+	}
 	path[k].p_idx->ei_block = border;
 	err = ext4_ext_dirty(handle, inode, path + k);
 	if (err)
@@ -1755,6 +1762,14 @@ static int ext4_ext_correct_indexes(handle_t *handle, struct inode *inode,
 		err = ext4_ext_get_access(handle, inode, path + k);
 		if (err)
 			break;
+		if (unlikely(path[k].p_idx > EXT_LAST_INDEX(path[k].p_hdr))) {
+			EXT4_ERROR_INODE(inode,
+					 "path[%d].p_idx %p > EXT_LAST_INDEX %p",
+					 k, path[k].p_idx,
+					 EXT_LAST_INDEX(path[k].p_hdr));
+			err = -EFSCORRUPTED;
+			break;
+		}
 		path[k].p_idx->ei_block = border;
 		err = ext4_ext_dirty(handle, inode, path + k);
 		if (err)
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index bb4b7f280267..5b5c3ce7719d 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -226,7 +226,7 @@ check_xattrs(struct inode *inode, struct buffer_head *bh,
 	/* Find the end of the names list */
 	while (!IS_LAST_ENTRY(e)) {
 		struct ext4_xattr_entry *next = EXT4_XATTR_NEXT(e);
-		if ((void *)next >= end) {
+		if ((void *)next + sizeof(u32) > end) {
 			err_str = "e_name out of bounds";
 			goto errout;
 		}
@@ -1165,7 +1165,7 @@ 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;
@@ -1260,6 +1260,8 @@ 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 44f6be3ea11a..7643c1d7dbb2 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -356,6 +356,8 @@ static void f2fs_write_end_io(struct bio *bio)
 
 		f2fs_bug_on(sbi, page->mapping == NODE_MAPPING(sbi) &&
 					page->index != nid_of_node(page));
+		if (f2fs_in_warm_node_list(sbi, page))
+			f2fs_del_fsync_node_entry(sbi, page);
 
 		dec_page_count(sbi, type);
 
@@ -367,8 +369,6 @@ static void f2fs_write_end_io(struct bio *bio)
 				wq_has_sleeper(&sbi->cp_wait))
 			wake_up(&sbi->cp_wait);
 
-		if (f2fs_in_warm_node_list(sbi, page))
-			f2fs_del_fsync_node_entry(sbi, page);
 		clear_page_private_gcing(page);
 		end_page_writeback(page);
 	}
@@ -1507,7 +1507,8 @@ static bool f2fs_map_blocks_cached(struct inode *inode,
 		f2fs_wait_on_block_writeback_range(inode,
 					map->m_pblk, map->m_len);
 
-	if (f2fs_allow_multi_device_dio(sbi, flag)) {
+	map->m_multidev_dio = f2fs_allow_multi_device_dio(sbi, flag);
+	if (map->m_multidev_dio) {
 		int bidx = f2fs_target_device_index(sbi, map->m_pblk);
 		struct f2fs_dev_info *dev = &sbi->devs[bidx];
 
@@ -1543,8 +1544,26 @@ int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map, int flag)
 	if (!maxblocks)
 		return 0;
 
-	if (!map->m_may_create && f2fs_map_blocks_cached(inode, map, flag))
-		goto out;
+	if (!map->m_may_create && f2fs_map_blocks_cached(inode, map, flag)) {
+		struct extent_info ei;
+
+		/*
+		 * 1. If map->m_multidev_dio is true, map->m_pblk cannot be
+		 * waitted by f2fs_wait_on_block_writeback_range() and are not
+		 * mergeable.
+		 * 2. If pgofs hits the read extent cache, it means the mapping
+		 * is already cached in the extent cache, but it is not
+		 * mergeable, and there is no need to query the mapping again
+		 * via f2fs_get_dnode_of_data().
+		 */
+		pgofs =	(pgoff_t)map->m_lblk + map->m_len;
+		if (map->m_len == maxblocks ||
+			map->m_multidev_dio ||
+			f2fs_lookup_read_extent_cache(inode, pgofs, &ei))
+			goto out;
+		ofs = map->m_len;
+		goto map_more;
+	}
 
 	map->m_bdev = inode->i_sb->s_bdev;
 	map->m_multidev_dio =
@@ -1555,7 +1574,8 @@ int f2fs_map_blocks(struct inode *inode, struct f2fs_map_blocks *map, int flag)
 
 	/* it only supports block size == page size */
 	pgofs =	(pgoff_t)map->m_lblk;
-	end = pgofs + maxblocks;
+map_more:
+	end = (pgoff_t)map->m_lblk + maxblocks;
 
 next_dnode:
 	if (map->m_may_create) {
diff --git a/fs/f2fs/extent_cache.c b/fs/f2fs/extent_cache.c
index 847c50e40c22..09fd0cbd8f77 100644
--- a/fs/f2fs/extent_cache.c
+++ b/fs/f2fs/extent_cache.c
@@ -87,9 +87,10 @@ static bool __may_extent_tree(struct inode *inode, enum extent_type type)
 	if (!__init_may_extent_tree(inode, type))
 		return false;
 
+	if (is_inode_flag_set(inode, FI_NO_EXTENT))
+		return false;
+
 	if (type == EX_READ) {
-		if (is_inode_flag_set(inode, FI_NO_EXTENT))
-			return false;
 		if (is_inode_flag_set(inode, FI_COMPRESSED_FILE) &&
 				 !f2fs_sb_has_readonly(F2FS_I_SB(inode)))
 			return false;
@@ -602,6 +603,8 @@ static unsigned int __destroy_extent_node(struct inode *inode,
 
 	while (atomic_read(&et->node_cnt)) {
 		write_lock(&et->lock);
+		if (!is_inode_flag_set(inode, FI_NO_EXTENT))
+			set_inode_flag(inode, FI_NO_EXTENT);
 		node_cnt += __free_extent_tree(sbi, et, nr_shrink);
 		write_unlock(&et->lock);
 	}
@@ -637,12 +640,12 @@ static void __update_extent_tree_range(struct inode *inode,
 
 	write_lock(&et->lock);
 
-	if (type == EX_READ) {
-		if (is_inode_flag_set(inode, FI_NO_EXTENT)) {
-			write_unlock(&et->lock);
-			return;
-		}
+	if (is_inode_flag_set(inode, FI_NO_EXTENT)) {
+		write_unlock(&et->lock);
+		return;
+	}
 
+	if (type == EX_READ) {
 		prev = et->largest;
 		dei.len = 0;
 
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index d7afa8bc0ff8..fb35f78e60bb 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -3722,7 +3722,7 @@ bool f2fs_is_checkpointed_data(struct f2fs_sb_info *sbi, block_t blkaddr);
 int f2fs_start_discard_thread(struct f2fs_sb_info *sbi);
 void f2fs_drop_discard_cmd(struct f2fs_sb_info *sbi);
 void f2fs_stop_discard_thread(struct f2fs_sb_info *sbi);
-bool f2fs_issue_discard_timeout(struct f2fs_sb_info *sbi);
+bool f2fs_issue_discard_timeout(struct f2fs_sb_info *sbi, bool need_check);
 void f2fs_clear_prefree_segments(struct f2fs_sb_info *sbi,
 					struct cp_control *cpc);
 void f2fs_dirty_to_prefree(struct f2fs_sb_info *sbi);
diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index 4ba5642148b5..db80b6cad325 100644
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -665,7 +665,7 @@ void f2fs_update_inode(struct inode *inode, struct page *node_page)
 	ri->i_uid = cpu_to_le32(i_uid_read(inode));
 	ri->i_gid = cpu_to_le32(i_gid_read(inode));
 	ri->i_links = cpu_to_le32(inode->i_nlink);
-	ri->i_blocks = cpu_to_le64(SECTOR_TO_BLOCK(inode->i_blocks) + 1);
+	ri->i_blocks = cpu_to_le64(SECTOR_TO_BLOCK(READ_ONCE(inode->i_blocks)) + 1);
 
 	if (!f2fs_is_atomic_file(inode) ||
 			is_inode_flag_set(inode, FI_ATOMIC_COMMITTED))
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index 133141f10d94..586a90643ddd 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -27,12 +27,17 @@ static struct kmem_cache *free_nid_slab;
 static struct kmem_cache *nat_entry_set_slab;
 static struct kmem_cache *fsync_node_entry_slab;
 
+static inline bool is_invalid_nid(struct f2fs_sb_info *sbi, nid_t nid)
+{
+	return nid < F2FS_ROOT_INO(sbi) || nid >= NM_I(sbi)->max_nid;
+}
+
 /*
  * Check whether the given nid is within node id range.
  */
 int f2fs_check_nid_range(struct f2fs_sb_info *sbi, nid_t nid)
 {
-	if (unlikely(nid < F2FS_ROOT_INO(sbi) || nid >= NM_I(sbi)->max_nid)) {
+	if (unlikely(is_invalid_nid(sbi, nid))) {
 		set_sbi_flag(sbi, SBI_NEED_FSCK);
 		f2fs_warn(sbi, "%s: out-of-range nid=%x, run fsck to fix.",
 			  __func__, nid);
@@ -2603,6 +2608,16 @@ bool f2fs_alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid)
 		f2fs_bug_on(sbi, list_empty(&nm_i->free_nid_list));
 		i = list_first_entry(&nm_i->free_nid_list,
 					struct free_nid, list);
+
+		if (unlikely(is_invalid_nid(sbi, i->nid))) {
+			spin_unlock(&nm_i->nid_list_lock);
+			f2fs_err(sbi, "Corrupted nid %u in free_nid_list",
+								i->nid);
+			f2fs_stop_checkpoint(sbi, false,
+					STOP_CP_REASON_CORRUPTED_NID);
+			return false;
+		}
+
 		*nid = i->nid;
 
 		__move_free_nid(sbi, i, FREE_NID, PREALLOC_NID);
diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 764a3d084e4c..8791aba087cd 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -1873,7 +1873,7 @@ void f2fs_stop_discard_thread(struct f2fs_sb_info *sbi)
  *
  * Return true if issued all discard cmd or no discard cmd need issue, otherwise return false.
  */
-bool f2fs_issue_discard_timeout(struct f2fs_sb_info *sbi)
+bool f2fs_issue_discard_timeout(struct f2fs_sb_info *sbi, bool need_check)
 {
 	struct discard_cmd_control *dcc = SM_I(sbi)->dcc_info;
 	struct discard_policy dpolicy;
@@ -1890,7 +1890,7 @@ bool f2fs_issue_discard_timeout(struct f2fs_sb_info *sbi)
 	/* just to make sure there is no pending discard commands */
 	__wait_all_discard_cmd(sbi, NULL);
 
-	f2fs_bug_on(sbi, atomic_read(&dcc->discard_cmd_cnt));
+	f2fs_bug_on(sbi, need_check && atomic_read(&dcc->discard_cmd_cnt));
 	return !dropped;
 }
 
@@ -2349,7 +2349,7 @@ static void destroy_discard_cmd_control(struct f2fs_sb_info *sbi)
 	 * Recovery can cache discard commands, so in error path of
 	 * fill_super(), it needs to give a chance to handle them.
 	 */
-	f2fs_issue_discard_timeout(sbi);
+	f2fs_issue_discard_timeout(sbi, true);
 
 	kfree(dcc);
 	SM_I(sbi)->dcc_info = NULL;
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 9bd71d68cd95..7614d93bd67f 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1612,7 +1612,7 @@ static void f2fs_put_super(struct super_block *sb)
 	}
 
 	/* be sure to wait for any on-going discard commands */
-	done = f2fs_issue_discard_timeout(sbi);
+	done = f2fs_issue_discard_timeout(sbi, true);
 	if (f2fs_realtime_discard_enable(sbi) && !sbi->discard_blks && done) {
 		struct cp_control cpc = {
 			.reason = CP_UMOUNT | CP_TRIMMED,
@@ -1754,7 +1754,7 @@ static int f2fs_unfreeze(struct super_block *sb)
 	 * will recover after removal of snapshot.
 	 */
 	if (test_opt(sbi, DISCARD) && !f2fs_hw_support_discard(sbi))
-		f2fs_issue_discard_timeout(sbi);
+		f2fs_issue_discard_timeout(sbi, true);
 
 	clear_sbi_flag(F2FS_SB(sb), SBI_IS_FREEZING);
 	return 0;
@@ -2515,7 +2515,12 @@ static int f2fs_remount(struct super_block *sb, int *flags, char *data)
 			need_stop_discard = true;
 		} else {
 			f2fs_stop_discard_thread(sbi);
-			f2fs_issue_discard_timeout(sbi);
+			/*
+			 * f2fs_ioc_fitrim() won't race w/ "remount ro"
+			 * so it's safe to check discard_cmd_cnt in
+			 * f2fs_issue_discard_timeout().
+			 */
+			f2fs_issue_discard_timeout(sbi, *flags & SB_RDONLY);
 			need_restart_discard = true;
 		}
 	}
diff --git a/fs/hfsplus/bfind.c b/fs/hfsplus/bfind.c
index 26ebac4c6042..41f4f56f90fa 100644
--- a/fs/hfsplus/bfind.c
+++ b/fs/hfsplus/bfind.c
@@ -287,3 +287,54 @@ int hfs_brec_goto(struct hfs_find_data *fd, int cnt)
 	fd->bnode = bnode;
 	return res;
 }
+
+/**
+ * hfsplus_brec_read_cat - read and validate a catalog record
+ * @fd: find data structure
+ * @entry: pointer to catalog entry to read into
+ *
+ * Reads a catalog record and validates its size matches the expected
+ * size based on the record type.
+ *
+ * Returns 0 on success, or negative error code on failure.
+ */
+int hfsplus_brec_read_cat(struct hfs_find_data *fd, hfsplus_cat_entry *entry)
+{
+	int res;
+	u32 expected_size;
+
+	res = hfs_brec_read(fd, entry, sizeof(hfsplus_cat_entry));
+	if (res)
+		return res;
+
+	/* Validate catalog record size based on type */
+	switch (be16_to_cpu(entry->type)) {
+	case HFSPLUS_FOLDER:
+		expected_size = sizeof(struct hfsplus_cat_folder);
+		break;
+	case HFSPLUS_FILE:
+		expected_size = sizeof(struct hfsplus_cat_file);
+		break;
+	case HFSPLUS_FOLDER_THREAD:
+	case HFSPLUS_FILE_THREAD:
+		/* Ensure we have at least the fixed fields before reading nodeName.length */
+		if (fd->entrylength < HFSPLUS_MIN_THREAD_SZ) {
+			pr_err("thread record too short (got %u)\n", fd->entrylength);
+			return -EIO;
+		}
+		expected_size = hfsplus_cat_thread_size(&entry->thread);
+		break;
+	default:
+		pr_err("unknown catalog record type %d\n",
+		       be16_to_cpu(entry->type));
+		return -EIO;
+	}
+
+	if (fd->entrylength != expected_size) {
+		pr_err("catalog record size mismatch (type %d, got %u, expected %u)\n",
+		       be16_to_cpu(entry->type), fd->entrylength, expected_size);
+		return -EIO;
+	}
+
+	return 0;
+}
diff --git a/fs/hfsplus/catalog.c b/fs/hfsplus/catalog.c
index e71ae2537eaa..34e19f6c3468 100644
--- a/fs/hfsplus/catalog.c
+++ b/fs/hfsplus/catalog.c
@@ -194,12 +194,12 @@ static int hfsplus_fill_cat_thread(struct super_block *sb,
 int hfsplus_find_cat(struct super_block *sb, u32 cnid,
 		     struct hfs_find_data *fd)
 {
-	hfsplus_cat_entry tmp;
+	hfsplus_cat_entry tmp = {0};
 	int err;
 	u16 type;
 
 	hfsplus_cat_build_key_with_cnid(sb, fd->search_key, cnid);
-	err = hfs_brec_read(fd, &tmp, sizeof(hfsplus_cat_entry));
+	err = hfsplus_brec_read_cat(fd, &tmp);
 	if (err)
 		return err;
 
diff --git a/fs/hfsplus/dir.c b/fs/hfsplus/dir.c
index d23f8c4cd717..eecb72c800d0 100644
--- a/fs/hfsplus/dir.c
+++ b/fs/hfsplus/dir.c
@@ -49,7 +49,7 @@ static struct dentry *hfsplus_lookup(struct inode *dir, struct dentry *dentry,
 	if (unlikely(err < 0))
 		goto fail;
 again:
-	err = hfs_brec_read(&fd, &entry, sizeof(entry));
+	err = hfsplus_brec_read_cat(&fd, &entry);
 	if (err) {
 		if (err == -ENOENT) {
 			hfs_find_exit(&fd);
diff --git a/fs/hfsplus/hfsplus_fs.h b/fs/hfsplus/hfsplus_fs.h
index 595e5fd4dfdd..52be0d59e532 100644
--- a/fs/hfsplus/hfsplus_fs.h
+++ b/fs/hfsplus/hfsplus_fs.h
@@ -535,6 +535,15 @@ int hfsplus_submit_bio(struct super_block *sb, sector_t sector, void *buf,
 		       void **data, blk_opf_t opf);
 int hfsplus_read_wrapper(struct super_block *sb);
 
+static inline u32 hfsplus_cat_thread_size(const struct hfsplus_cat_thread *thread)
+{
+	return offsetof(struct hfsplus_cat_thread, nodeName) +
+	       offsetof(struct hfsplus_unistr, unicode) +
+	       be16_to_cpu(thread->nodeName.length) * sizeof(hfsplus_unichr);
+}
+
+int hfsplus_brec_read_cat(struct hfs_find_data *fd, hfsplus_cat_entry *entry);
+
 /*
  * time helpers: convert between 1904-base and 1970-base timestamps
  *
diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c
index 954ceaa748e6..0d15e440d686 100644
--- a/fs/hfsplus/super.c
+++ b/fs/hfsplus/super.c
@@ -539,9 +539,11 @@ static int hfsplus_fill_super(struct super_block *sb, void *data, int silent)
 	if (err)
 		goto out_put_root;
 	err = hfsplus_cat_build_key(sb, fd.search_key, HFSPLUS_ROOT_CNID, &str);
-	if (unlikely(err < 0))
+	if (unlikely(err < 0)) {
+		hfs_find_exit(&fd);
 		goto out_put_root;
-	if (!hfs_brec_read(&fd, &entry, sizeof(entry))) {
+	}
+	if (!hfsplus_brec_read_cat(&fd, &entry)) {
 		hfs_find_exit(&fd);
 		if (entry.type != cpu_to_be16(HFSPLUS_FOLDER)) {
 			err = -EIO;
diff --git a/fs/isofs/export.c b/fs/isofs/export.c
index 421d247fae52..78f80c1a5c54 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 348783a70f57..4a791011cb09 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/notify/fsnotify.c b/fs/notify/fsnotify.c
index 82602157bcc0..7da224a0ae7c 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 1c4bfdab008d..804af9d6078b 100644
--- a/fs/notify/inotify/inotify_user.c
+++ b/fs/notify/inotify/inotify_user.c
@@ -622,6 +622,7 @@ 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 4be6e883d492..b419a5ccf192 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/run.c b/fs/ntfs3/run.c
index 0256fa7c879f..f2451eaf928a 100644
--- a/fs/ntfs3/run.c
+++ b/fs/ntfs3/run.c
@@ -963,6 +963,9 @@ 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;
@@ -975,6 +978,9 @@ 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);
@@ -1012,9 +1018,15 @@ 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/ocfs2/aops.c b/fs/ocfs2/aops.c
index 0d147f2b4e9f..5365fc7675de 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);
 
@@ -2322,18 +2324,6 @@ static int ocfs2_dio_end_io_write(struct inode *inode,
 		goto out;
 	}
 
-	/* Delete orphan before acquire i_rwsem. */
-	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);
-	}
-
 	down_write(&oi->ip_alloc_sem);
 	di = (struct ocfs2_dinode *)di_bh->b_data;
 
@@ -2354,24 +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,
@@ -2379,19 +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/smb/client/cached_dir.c b/fs/smb/client/cached_dir.c
index d83161285a17..fbc746813a6f 100644
--- a/fs/smb/client/cached_dir.c
+++ b/fs/smb/client/cached_dir.c
@@ -261,6 +261,14 @@ int open_cached_dir(unsigned int xid, struct cifs_tcon *tcon,
 			    &rqst[0], &oplock, &oparms, utf16_path);
 	if (rc)
 		goto oshr_free;
+
+	if (oplock != SMB2_OPLOCK_LEVEL_II) {
+		rc = -EINVAL;
+		cifs_dbg(FYI, "%s: Oplock level %d not suitable for cached directory\n",
+			 __func__, oplock);
+		goto oshr_free;
+	}
+
 	smb2_set_next_command(tcon, &rqst[0]);
 
 	memset(&qi_iov, 0, sizeof(qi_iov));
diff --git a/fs/smb/client/cifsacl.c b/fs/smb/client/cifsacl.c
index fb090e001e44..2422ac371262 100644
--- a/fs/smb/client/cifsacl.c
+++ b/fs/smb/client/cifsacl.c
@@ -758,14 +758,85 @@ static void dump_ace(struct smb_ace *pace, char *end_of_acl)
 }
 #endif
 
+static int validate_dacl(struct smb_acl *pdacl, char *end_of_acl)
+{
+	int i, ace_hdr_size, ace_size, min_ace_size;
+	u16 dacl_size, num_aces;
+	char *acl_base, *end_of_dacl;
+	struct smb_ace *pace;
+
+	if (!pdacl)
+		return 0;
+
+	if (end_of_acl < (char *)pdacl + sizeof(struct smb_acl)) {
+		cifs_dbg(VFS, "ACL too small to parse DACL\n");
+		return -EINVAL;
+	}
+
+	dacl_size = le16_to_cpu(pdacl->size);
+	if (dacl_size < sizeof(struct smb_acl) ||
+	    end_of_acl < (char *)pdacl + dacl_size) {
+		cifs_dbg(VFS, "ACL too small to parse DACL\n");
+		return -EINVAL;
+	}
+
+	num_aces = le16_to_cpu(pdacl->num_aces);
+	if (!num_aces)
+		return 0;
+
+	ace_hdr_size = offsetof(struct smb_ace, sid) +
+		offsetof(struct smb_sid, sub_auth);
+	min_ace_size = ace_hdr_size + sizeof(__le32);
+	if (num_aces > (dacl_size - sizeof(struct smb_acl)) / min_ace_size) {
+		cifs_dbg(VFS, "ACL too small to parse DACL\n");
+		return -EINVAL;
+	}
+
+	end_of_dacl = (char *)pdacl + dacl_size;
+	acl_base = (char *)pdacl;
+	ace_size = sizeof(struct smb_acl);
+
+	for (i = 0; i < num_aces; ++i) {
+		if (end_of_dacl - acl_base < ace_size) {
+			cifs_dbg(VFS, "ACL too small to parse ACE\n");
+			return -EINVAL;
+		}
+
+		pace = (struct smb_ace *)(acl_base + ace_size);
+		acl_base = (char *)pace;
+
+		if (end_of_dacl - acl_base < ace_hdr_size ||
+		    pace->sid.num_subauth == 0 ||
+		    pace->sid.num_subauth > SID_MAX_SUB_AUTHORITIES) {
+			cifs_dbg(VFS, "ACL too small to parse ACE\n");
+			return -EINVAL;
+		}
+
+		ace_size = ace_hdr_size + sizeof(__le32) * pace->sid.num_subauth;
+		if (end_of_dacl - acl_base < ace_size ||
+		    le16_to_cpu(pace->size) < ace_size) {
+			cifs_dbg(VFS, "ACL too small to parse ACE\n");
+			return -EINVAL;
+		}
+
+		ace_size = le16_to_cpu(pace->size);
+		if (end_of_dacl - acl_base < ace_size) {
+			cifs_dbg(VFS, "ACL too small to parse ACE\n");
+			return -EINVAL;
+		}
+	}
+
+	return 0;
+}
+
 static void parse_dacl(struct smb_acl *pdacl, char *end_of_acl,
 		       struct smb_sid *pownersid, struct smb_sid *pgrpsid,
 		       struct cifs_fattr *fattr, bool mode_from_special_sid)
 {
 	int i;
-	int num_aces = 0;
+	u16 num_aces = 0;
 	int acl_size;
-	char *acl_base;
+	char *acl_base, *end_of_dacl;
 	struct smb_ace **ppace;
 
 	/* BB need to add parm so we can store the SID BB */
@@ -777,59 +848,36 @@ static void parse_dacl(struct smb_acl *pdacl, char *end_of_acl,
 		return;
 	}
 
-	/* validate that we do not go past end of acl */
-	if (end_of_acl < (char *)pdacl + sizeof(struct smb_acl) ||
-	    end_of_acl < (char *)pdacl + le16_to_cpu(pdacl->size)) {
-		cifs_dbg(VFS, "ACL too small to parse DACL\n");
+	if (validate_dacl(pdacl, end_of_acl))
 		return;
-	}
 
 	cifs_dbg(NOISY, "DACL revision %d size %d num aces %d\n",
 		 le16_to_cpu(pdacl->revision), le16_to_cpu(pdacl->size),
-		 le32_to_cpu(pdacl->num_aces));
+		 le16_to_cpu(pdacl->num_aces));
 
 	/* reset rwx permissions for user/group/other.
 	   Also, if num_aces is 0 i.e. DACL has no ACEs,
 	   user/group/other have no permissions */
 	fattr->cf_mode &= ~(0777);
 
+	end_of_dacl = (char *)pdacl + le16_to_cpu(pdacl->size);
 	acl_base = (char *)pdacl;
 	acl_size = sizeof(struct smb_acl);
 
-	num_aces = le32_to_cpu(pdacl->num_aces);
+	num_aces = le16_to_cpu(pdacl->num_aces);
 	if (num_aces > 0) {
 		umode_t denied_mode = 0;
 
-		if (num_aces > (le16_to_cpu(pdacl->size) - sizeof(struct smb_acl)) /
-				(offsetof(struct smb_ace, sid) +
-				 offsetof(struct smb_sid, sub_auth) + sizeof(__le16)))
-			return;
-
 		ppace = kmalloc_array(num_aces, sizeof(struct smb_ace *),
 				      GFP_KERNEL);
 		if (!ppace)
 			return;
 
 		for (i = 0; i < num_aces; ++i) {
-			if (end_of_acl - acl_base < acl_size)
-				break;
-
 			ppace[i] = (struct smb_ace *) (acl_base + acl_size);
-			acl_base = (char *)ppace[i];
-			acl_size = offsetof(struct smb_ace, sid) +
-				offsetof(struct smb_sid, sub_auth);
-
-			if (end_of_acl - acl_base < acl_size ||
-			    ppace[i]->sid.num_subauth == 0 ||
-			    ppace[i]->sid.num_subauth > SID_MAX_SUB_AUTHORITIES ||
-			    (end_of_acl - acl_base <
-			     acl_size + sizeof(__le32) * ppace[i]->sid.num_subauth) ||
-			    (le16_to_cpu(ppace[i]->size) <
-			     acl_size + sizeof(__le32) * ppace[i]->sid.num_subauth))
-				break;
 
 #ifdef CONFIG_CIFS_DEBUG2
-			dump_ace(ppace[i], end_of_acl);
+			dump_ace(ppace[i], end_of_dacl);
 #endif
 			if (mode_from_special_sid &&
 			    ppace[i]->sid.num_subauth >= 3 &&
@@ -872,6 +920,7 @@ static void parse_dacl(struct smb_acl *pdacl, char *end_of_acl,
 				(void *)ppace[i],
 				sizeof(struct smb_ace)); */
 
+			acl_base = (char *)ppace[i];
 			acl_size = le16_to_cpu(ppace[i]->size);
 		}
 
@@ -957,12 +1006,12 @@ unsigned int setup_special_user_owner_ACE(struct smb_ace *pntace)
 static void populate_new_aces(char *nacl_base,
 		struct smb_sid *pownersid,
 		struct smb_sid *pgrpsid,
-		__u64 *pnmode, u32 *pnum_aces, u16 *pnsize,
+		__u64 *pnmode, u16 *pnum_aces, u16 *pnsize,
 		bool modefromsid,
 		bool posix)
 {
 	__u64 nmode;
-	u32 num_aces = 0;
+	u16 num_aces = 0;
 	u16 nsize = 0;
 	__u64 user_mode;
 	__u64 group_mode;
@@ -1070,7 +1119,7 @@ static __u16 replace_sids_and_copy_aces(struct smb_acl *pdacl, struct smb_acl *p
 	u16 size = 0;
 	struct smb_ace *pntace = NULL;
 	char *acl_base = NULL;
-	u32 src_num_aces = 0;
+	u16 src_num_aces = 0;
 	u16 nsize = 0;
 	struct smb_ace *pnntace = NULL;
 	char *nacl_base = NULL;
@@ -1078,7 +1127,7 @@ static __u16 replace_sids_and_copy_aces(struct smb_acl *pdacl, struct smb_acl *p
 
 	acl_base = (char *)pdacl;
 	size = sizeof(struct smb_acl);
-	src_num_aces = le32_to_cpu(pdacl->num_aces);
+	src_num_aces = le16_to_cpu(pdacl->num_aces);
 
 	nacl_base = (char *)pndacl;
 	nsize = sizeof(struct smb_acl);
@@ -1110,11 +1159,11 @@ static int set_chmod_dacl(struct smb_acl *pdacl, struct smb_acl *pndacl,
 	u16 size = 0;
 	struct smb_ace *pntace = NULL;
 	char *acl_base = NULL;
-	u32 src_num_aces = 0;
+	u16 src_num_aces = 0;
 	u16 nsize = 0;
 	struct smb_ace *pnntace = NULL;
 	char *nacl_base = NULL;
-	u32 num_aces = 0;
+	u16 num_aces = 0;
 	bool new_aces_set = false;
 
 	/* Assuming that pndacl and pnmode are never NULL */
@@ -1132,7 +1181,7 @@ static int set_chmod_dacl(struct smb_acl *pdacl, struct smb_acl *pndacl,
 
 	acl_base = (char *)pdacl;
 	size = sizeof(struct smb_acl);
-	src_num_aces = le32_to_cpu(pdacl->num_aces);
+	src_num_aces = le16_to_cpu(pdacl->num_aces);
 
 	/* Retain old ACEs which we can retain */
 	for (i = 0; i < src_num_aces; ++i) {
@@ -1178,7 +1227,7 @@ static int set_chmod_dacl(struct smb_acl *pdacl, struct smb_acl *pndacl,
 	}
 
 finalize_dacl:
-	pndacl->num_aces = cpu_to_le32(num_aces);
+	pndacl->num_aces = cpu_to_le16(num_aces);
 	pndacl->size = cpu_to_le16(nsize);
 
 	return 0;
@@ -1216,6 +1265,17 @@ static int parse_sid(struct smb_sid *psid, char *end_of_acl)
 	return 0;
 }
 
+static bool dacl_offset_valid(unsigned int acl_len, __u32 dacloffset)
+{
+	if (acl_len < sizeof(struct smb_acl))
+		return false;
+
+	if (dacloffset < sizeof(struct smb_ntsd))
+		return false;
+
+	return dacloffset <= acl_len - sizeof(struct smb_acl);
+}
+
 
 /* Convert CIFS ACL to POSIX form */
 static int parse_sec_desc(struct cifs_sb_info *cifs_sb,
@@ -1236,7 +1296,6 @@ static int parse_sec_desc(struct cifs_sb_info *cifs_sb,
 	group_sid_ptr = (struct smb_sid *)((char *)pntsd +
 				le32_to_cpu(pntsd->gsidoffset));
 	dacloffset = le32_to_cpu(pntsd->dacloffset);
-	dacl_ptr = (struct smb_acl *)((char *)pntsd + dacloffset);
 	cifs_dbg(NOISY, "revision %d type 0x%x ooffset 0x%x goffset 0x%x sacloffset 0x%x dacloffset 0x%x\n",
 		 pntsd->revision, pntsd->type, le32_to_cpu(pntsd->osidoffset),
 		 le32_to_cpu(pntsd->gsidoffset),
@@ -1267,11 +1326,18 @@ static int parse_sec_desc(struct cifs_sb_info *cifs_sb,
 		return rc;
 	}
 
-	if (dacloffset)
+	if (dacloffset) {
+		if (!dacl_offset_valid(acl_len, dacloffset)) {
+			cifs_dbg(VFS, "Server returned illegal DACL offset\n");
+			return -EINVAL;
+		}
+
+		dacl_ptr = (struct smb_acl *)((char *)pntsd + dacloffset);
 		parse_dacl(dacl_ptr, end_of_acl, owner_sid_ptr,
 			   group_sid_ptr, fattr, get_mode_from_special_sid);
-	else
+	} else {
 		cifs_dbg(FYI, "no ACL\n"); /* BB grant all or default perms? */
+	}
 
 	return rc;
 }
@@ -1294,11 +1360,15 @@ static int build_sec_desc(struct smb_ntsd *pntsd, struct smb_ntsd *pnntsd,
 
 	dacloffset = le32_to_cpu(pntsd->dacloffset);
 	if (dacloffset) {
-		dacl_ptr = (struct smb_acl *)((char *)pntsd + dacloffset);
-		if (end_of_acl < (char *)dacl_ptr + le16_to_cpu(dacl_ptr->size)) {
-			cifs_dbg(VFS, "Server returned illegal ACL size\n");
+		if (!dacl_offset_valid(secdesclen, dacloffset)) {
+			cifs_dbg(VFS, "Server returned illegal DACL offset\n");
 			return -EINVAL;
 		}
+
+		dacl_ptr = (struct smb_acl *)((char *)pntsd + dacloffset);
+		rc = validate_dacl(dacl_ptr, end_of_acl);
+		if (rc)
+			return rc;
 	}
 
 	owner_sid_ptr = (struct smb_sid *)((char *)pntsd +
@@ -1313,7 +1383,7 @@ static int build_sec_desc(struct smb_ntsd *pntsd, struct smb_ntsd *pnntsd,
 			dacloffset ? dacl_ptr->revision : cpu_to_le16(ACL_REVISION);
 
 		ndacl_ptr->size = cpu_to_le16(0);
-		ndacl_ptr->num_aces = cpu_to_le32(0);
+		ndacl_ptr->num_aces = cpu_to_le16(0);
 
 		rc = set_chmod_dacl(dacl_ptr, ndacl_ptr, owner_sid_ptr, group_sid_ptr,
 				    pnmode, mode_from_sid, posix);
@@ -1668,10 +1738,22 @@ id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64 *pnmode,
 		nsecdesclen = sizeof(struct smb_ntsd) + (sizeof(struct smb_sid) * 2);
 		dacloffset = le32_to_cpu(pntsd->dacloffset);
 		if (dacloffset) {
+			if (!dacl_offset_valid(secdesclen, dacloffset)) {
+				cifs_dbg(VFS, "Server returned illegal DACL offset\n");
+				rc = -EINVAL;
+				goto id_mode_to_cifs_acl_exit;
+			}
+
 			dacl_ptr = (struct smb_acl *)((char *)pntsd + dacloffset);
+			rc = validate_dacl(dacl_ptr, (char *)pntsd + secdesclen);
+			if (rc) {
+				kfree(pntsd);
+				cifs_put_tlink(tlink);
+				return rc;
+			}
 			if (mode_from_sid)
 				nsecdesclen +=
-					le32_to_cpu(dacl_ptr->num_aces) * sizeof(struct smb_ace);
+					le16_to_cpu(dacl_ptr->num_aces) * sizeof(struct smb_ace);
 			else /* cifsacl */
 				nsecdesclen += le16_to_cpu(dacl_ptr->size);
 		}
@@ -1684,7 +1766,7 @@ id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64 *pnmode,
 	 * descriptor parameters, and security descriptor itself
 	 */
 	nsecdesclen = max_t(u32, nsecdesclen, DEFAULT_SEC_DESC_LEN);
-	pnntsd = kmalloc(nsecdesclen, GFP_KERNEL);
+	pnntsd = kzalloc(nsecdesclen, GFP_KERNEL);
 	if (!pnntsd) {
 		kfree(pntsd);
 		cifs_put_tlink(tlink);
@@ -1704,6 +1786,7 @@ id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64 *pnmode,
 		rc = ops->set_acl(pnntsd, nsecdesclen, inode, path, aclflag);
 		cifs_dbg(NOISY, "set_cifs_acl rc: %d\n", rc);
 	}
+id_mode_to_cifs_acl_exit:
 	cifs_put_tlink(tlink);
 
 	kfree(pnntsd);
diff --git a/fs/smb/client/cifsacl.h b/fs/smb/client/cifsacl.h
index 05b3650ba0ae..31b51a8fc256 100644
--- a/fs/smb/client/cifsacl.h
+++ b/fs/smb/client/cifsacl.h
@@ -9,8 +9,7 @@
 #ifndef _CIFSACL_H
 #define _CIFSACL_H
 
-#define NUM_AUTHS (6)	/* number of authority fields */
-#define SID_MAX_SUB_AUTHORITIES (15) /* max number of sub authority fields */
+#include "../common/smbacl.h"
 
 #define READ_BIT        0x4
 #define WRITE_BIT       0x2
@@ -23,12 +22,6 @@
 #define UBITSHIFT	6
 #define GBITSHIFT	3
 
-#define ACCESS_ALLOWED	0
-#define ACCESS_DENIED	1
-
-#define SIDOWNER 1
-#define SIDGROUP 2
-
 /*
  * Security Descriptor length containing DACL with 3 ACEs (one each for
  * owner, group and world).
@@ -37,88 +30,6 @@
 			      sizeof(struct smb_acl) + \
 			      (sizeof(struct smb_ace) * 4))
 
-/*
- * Maximum size of a string representation of a SID:
- *
- * The fields are unsigned values in decimal. So:
- *
- * u8:  max 3 bytes in decimal
- * u32: max 10 bytes in decimal
- *
- * "S-" + 3 bytes for version field + 15 for authority field + NULL terminator
- *
- * For authority field, max is when all 6 values are non-zero and it must be
- * represented in hex. So "-0x" + 12 hex digits.
- *
- * Add 11 bytes for each subauthority field (10 bytes each + 1 for '-')
- */
-#define SID_STRING_BASE_SIZE (2 + 3 + 15 + 1)
-#define SID_STRING_SUBAUTH_SIZE (11) /* size of a single subauth string */
-
-struct smb_ntsd {
-	__le16 revision; /* revision level */
-	__le16 type;
-	__le32 osidoffset;
-	__le32 gsidoffset;
-	__le32 sacloffset;
-	__le32 dacloffset;
-} __attribute__((packed));
-
-struct smb_sid {
-	__u8 revision; /* revision level */
-	__u8 num_subauth;
-	__u8 authority[NUM_AUTHS];
-	__le32 sub_auth[SID_MAX_SUB_AUTHORITIES]; /* sub_auth[num_subauth] */
-} __attribute__((packed));
-
-/* size of a struct smb_sid, sans sub_auth array */
-#define CIFS_SID_BASE_SIZE (1 + 1 + NUM_AUTHS)
-
-struct smb_acl {
-	__le16 revision; /* revision level */
-	__le16 size;
-	__le32 num_aces;
-} __attribute__((packed));
-
-/* ACE types - see MS-DTYP 2.4.4.1 */
-#define ACCESS_ALLOWED_ACE_TYPE	0x00
-#define ACCESS_DENIED_ACE_TYPE	0x01
-#define SYSTEM_AUDIT_ACE_TYPE	0x02
-#define SYSTEM_ALARM_ACE_TYPE	0x03
-#define ACCESS_ALLOWED_COMPOUND_ACE_TYPE 0x04
-#define ACCESS_ALLOWED_OBJECT_ACE_TYPE	0x05
-#define ACCESS_DENIED_OBJECT_ACE_TYPE	0x06
-#define SYSTEM_AUDIT_OBJECT_ACE_TYPE	0x07
-#define SYSTEM_ALARM_OBJECT_ACE_TYPE	0x08
-#define ACCESS_ALLOWED_CALLBACK_ACE_TYPE 0x09
-#define ACCESS_DENIED_CALLBACK_ACE_TYPE	0x0A
-#define ACCESS_ALLOWED_CALLBACK_OBJECT_ACE_TYPE 0x0B
-#define ACCESS_DENIED_CALLBACK_OBJECT_ACE_TYPE  0x0C
-#define SYSTEM_AUDIT_CALLBACK_ACE_TYPE	0x0D
-#define SYSTEM_ALARM_CALLBACK_ACE_TYPE	0x0E /* Reserved */
-#define SYSTEM_AUDIT_CALLBACK_OBJECT_ACE_TYPE 0x0F
-#define SYSTEM_ALARM_CALLBACK_OBJECT_ACE_TYPE 0x10 /* reserved */
-#define SYSTEM_MANDATORY_LABEL_ACE_TYPE	0x11
-#define SYSTEM_RESOURCE_ATTRIBUTE_ACE_TYPE 0x12
-#define SYSTEM_SCOPED_POLICY_ID_ACE_TYPE 0x13
-
-/* ACE flags */
-#define OBJECT_INHERIT_ACE	0x01
-#define CONTAINER_INHERIT_ACE	0x02
-#define NO_PROPAGATE_INHERIT_ACE 0x04
-#define INHERIT_ONLY_ACE	0x08
-#define INHERITED_ACE		0x10
-#define SUCCESSFUL_ACCESS_ACE_FLAG 0x40
-#define FAILED_ACCESS_ACE_FLAG	0x80
-
-struct smb_ace {
-	__u8 type; /* see above and MS-DTYP 2.4.4.1 */
-	__u8 flags;
-	__le16 size;
-	__le32 access_req;
-	struct smb_sid sid; /* ie UUID of user or group who gets these perms */
-} __attribute__((packed));
-
 /*
  * The current SMB3 form of security descriptor is similar to what was used for
  * cifs (see above) but some fields are split, and fields in the struct below
diff --git a/fs/smb/client/smb2inode.c b/fs/smb/client/smb2inode.c
index aae486771ccb..540f4ba81b6c 100644
--- a/fs/smb/client/smb2inode.c
+++ b/fs/smb/client/smb2inode.c
@@ -108,7 +108,7 @@ static int check_wsl_eas(struct kvec *rsp_iov)
 	u32 outlen, next;
 	u16 vlen;
 	u8 nlen;
-	u8 *end;
+	u8 *ea_end, *iov_end;
 
 	outlen = le32_to_cpu(rsp->OutputBufferLength);
 	if (outlen < SMB2_WSL_MIN_QUERY_EA_RESP_SIZE ||
@@ -117,15 +117,19 @@ static int check_wsl_eas(struct kvec *rsp_iov)
 
 	ea = (void *)((u8 *)rsp_iov->iov_base +
 		      le16_to_cpu(rsp->OutputBufferOffset));
-	end = (u8 *)rsp_iov->iov_base + rsp_iov->iov_len;
+	ea_end = (u8 *)ea + outlen;
+	iov_end = (u8 *)rsp_iov->iov_base + rsp_iov->iov_len;
+	if (ea_end > iov_end)
+		return -EINVAL;
+
 	for (;;) {
-		if ((u8 *)ea > end - sizeof(*ea))
+		if ((u8 *)ea > ea_end - sizeof(*ea))
 			return -EINVAL;
 
 		nlen = ea->ea_name_length;
 		vlen = le16_to_cpu(ea->ea_value_length);
 		if (nlen != SMB2_WSL_XATTR_NAME_LEN ||
-		    (u8 *)ea->ea_data + nlen + 1 + vlen > end)
+		    (u8 *)ea->ea_data + nlen + 1 + vlen > ea_end)
 			return -EINVAL;
 
 		switch (vlen) {
diff --git a/fs/smb/client/smb2misc.c b/fs/smb/client/smb2misc.c
index 70a9536b03c6..dc0a441371be 100644
--- a/fs/smb/client/smb2misc.c
+++ b/fs/smb/client/smb2misc.c
@@ -239,7 +239,8 @@ smb2_check_message(char *buf, unsigned int len, struct TCP_Server_Info *server)
 	if (len != calc_len) {
 		/* create failed on symlink */
 		if (command == SMB2_CREATE_HE &&
-		    shdr->Status == STATUS_STOPPED_ON_SYMLINK)
+		    shdr->Status == STATUS_STOPPED_ON_SYMLINK &&
+		    len > calc_len)
 			return 0;
 		/* Windows 7 server returns 24 bytes more */
 		if (calc_len + 24 == len && command == SMB2_OPLOCK_BREAK_HE)
diff --git a/fs/smb/client/smb2ops.c b/fs/smb/client/smb2ops.c
index bedca306cc82..c16ed08d62af 100644
--- a/fs/smb/client/smb2ops.c
+++ b/fs/smb/client/smb2ops.c
@@ -96,10 +96,21 @@ smb2_add_credits(struct TCP_Server_Info *server,
 	}
 	WARN_ON_ONCE(server->in_flight == 0);
 	server->in_flight--;
+
+	/*
+	 * Rebalance credits when an op drains in_flight. For session setup,
+	 * do this only when the total accumulated credits are high enough (>2)
+	 * so that a newly established secondary channel can reserve credits for
+	 * echoes and oplocks. We expect this to happen at the end of the final
+	 * session setup response.
+	 */
 	if (server->in_flight == 0 &&
 	   ((optype & CIFS_OP_MASK) != CIFS_NEG_OP) &&
 	   ((optype & CIFS_OP_MASK) != CIFS_SESS_OP))
 		rc = change_conf(server);
+	else if (server->in_flight == 0 &&
+		 ((optype & CIFS_OP_MASK) == CIFS_SESS_OP) && *val > 2)
+		rc = change_conf(server);
 	/*
 	 * Sometimes server returns 0 credits on oplock break ack - we need to
 	 * rebalance credits in this case.
diff --git a/fs/smb/common/smbacl.h b/fs/smb/common/smbacl.h
new file mode 100644
index 000000000000..a624ec9e4a14
--- /dev/null
+++ b/fs/smb/common/smbacl.h
@@ -0,0 +1,122 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+/*
+ *   Copyright (c) International Business Machines  Corp., 2007
+ *   Author(s): Steve French (sfrench@us.ibm.com)
+ *   Modified by Namjae Jeon (linkinjeon@kernel.org)
+ */
+
+#ifndef _COMMON_SMBACL_H
+#define _COMMON_SMBACL_H
+
+#define NUM_AUTHS (6)	/* number of authority fields */
+#define SID_MAX_SUB_AUTHORITIES (15) /* max number of sub authority fields */
+
+/* ACE types - see MS-DTYP 2.4.4.1 */
+#define ACCESS_ALLOWED_ACE_TYPE 0x00
+#define ACCESS_DENIED_ACE_TYPE  0x01
+#define SYSTEM_AUDIT_ACE_TYPE   0x02
+#define SYSTEM_ALARM_ACE_TYPE   0x03
+#define ACCESS_ALLOWED_COMPOUND_ACE_TYPE 0x04
+#define ACCESS_ALLOWED_OBJECT_ACE_TYPE  0x05
+#define ACCESS_DENIED_OBJECT_ACE_TYPE   0x06
+#define SYSTEM_AUDIT_OBJECT_ACE_TYPE    0x07
+#define SYSTEM_ALARM_OBJECT_ACE_TYPE    0x08
+#define ACCESS_ALLOWED_CALLBACK_ACE_TYPE 0x09
+#define ACCESS_DENIED_CALLBACK_ACE_TYPE 0x0A
+#define ACCESS_ALLOWED_CALLBACK_OBJECT_ACE_TYPE 0x0B
+#define ACCESS_DENIED_CALLBACK_OBJECT_ACE_TYPE  0x0C
+#define SYSTEM_AUDIT_CALLBACK_ACE_TYPE  0x0D
+#define SYSTEM_ALARM_CALLBACK_ACE_TYPE  0x0E /* Reserved */
+#define SYSTEM_AUDIT_CALLBACK_OBJECT_ACE_TYPE 0x0F
+#define SYSTEM_ALARM_CALLBACK_OBJECT_ACE_TYPE 0x10 /* reserved */
+#define SYSTEM_MANDATORY_LABEL_ACE_TYPE 0x11
+#define SYSTEM_RESOURCE_ATTRIBUTE_ACE_TYPE 0x12
+#define SYSTEM_SCOPED_POLICY_ID_ACE_TYPE 0x13
+
+/* ACE flags */
+#define OBJECT_INHERIT_ACE		0x01
+#define CONTAINER_INHERIT_ACE		0x02
+#define NO_PROPAGATE_INHERIT_ACE	0x04
+#define INHERIT_ONLY_ACE		0x08
+#define INHERITED_ACE			0x10
+#define SUCCESSFUL_ACCESS_ACE_FLAG	0x40
+#define FAILED_ACCESS_ACE_FLAG		0x80
+
+/*
+ * Maximum size of a string representation of a SID:
+ *
+ * The fields are unsigned values in decimal. So:
+ *
+ * u8:  max 3 bytes in decimal
+ * u32: max 10 bytes in decimal
+ *
+ * "S-" + 3 bytes for version field + 15 for authority field + NULL terminator
+ *
+ * For authority field, max is when all 6 values are non-zero and it must be
+ * represented in hex. So "-0x" + 12 hex digits.
+ *
+ * Add 11 bytes for each subauthority field (10 bytes each + 1 for '-')
+ */
+#define SID_STRING_BASE_SIZE (2 + 3 + 15 + 1)
+#define SID_STRING_SUBAUTH_SIZE (11) /* size of a single subauth string */
+
+#define DOMAIN_USER_RID_LE	cpu_to_le32(513)
+
+/*
+ * ACE types - see MS-DTYP 2.4.4.1
+ */
+enum {
+	ACCESS_ALLOWED,
+	ACCESS_DENIED,
+};
+
+/*
+ * Security ID types
+ */
+enum {
+	SIDOWNER = 1,
+	SIDGROUP,
+	SIDCREATOR_OWNER,
+	SIDCREATOR_GROUP,
+	SIDUNIX_USER,
+	SIDUNIX_GROUP,
+	SIDNFS_USER,
+	SIDNFS_GROUP,
+	SIDNFS_MODE,
+};
+
+struct smb_ntsd {
+	__le16 revision; /* revision level */
+	__le16 type;
+	__le32 osidoffset;
+	__le32 gsidoffset;
+	__le32 sacloffset;
+	__le32 dacloffset;
+} __attribute__((packed));
+
+struct smb_sid {
+	__u8 revision; /* revision level */
+	__u8 num_subauth;
+	__u8 authority[NUM_AUTHS];
+	__le32 sub_auth[SID_MAX_SUB_AUTHORITIES]; /* sub_auth[num_subauth] */
+} __attribute__((packed));
+
+/* size of a struct smb_sid, sans sub_auth array */
+#define CIFS_SID_BASE_SIZE (1 + 1 + NUM_AUTHS)
+
+struct smb_acl {
+	__le16 revision; /* revision level */
+	__le16 size;
+	__le16 num_aces;
+	__le16 reserved;
+} __attribute__((packed));
+
+struct smb_ace {
+	__u8 type; /* see above and MS-DTYP 2.4.4.1 */
+	__u8 flags;
+	__le16 size;
+	__le32 access_req;
+	struct smb_sid sid; /* ie UUID of user or group who gets these perms */
+} __attribute__((packed));
+
+#endif /* _COMMON_SMBACL_H */
diff --git a/fs/smb/server/connection.c b/fs/smb/server/connection.c
index 907ddfc2c2c1..a5209abb004a 100644
--- a/fs/smb/server/connection.c
+++ b/fs/smb/server/connection.c
@@ -19,7 +19,7 @@ static DEFINE_MUTEX(init_lock);
 
 static struct ksmbd_conn_ops default_conn_ops;
 
-LIST_HEAD(conn_list);
+DEFINE_HASHTABLE(conn_list, CONN_HASH_BITS);
 DECLARE_RWSEM(conn_list_lock);
 
 /**
@@ -33,7 +33,7 @@ DECLARE_RWSEM(conn_list_lock);
 void ksmbd_conn_free(struct ksmbd_conn *conn)
 {
 	down_write(&conn_list_lock);
-	list_del(&conn->conns_list);
+	hash_del(&conn->hlist);
 	up_write(&conn_list_lock);
 
 	xa_destroy(&conn->sessions);
@@ -78,7 +78,6 @@ struct ksmbd_conn *ksmbd_conn_alloc(void)
 
 	init_waitqueue_head(&conn->req_running_q);
 	init_waitqueue_head(&conn->r_count_q);
-	INIT_LIST_HEAD(&conn->conns_list);
 	INIT_LIST_HEAD(&conn->requests);
 	INIT_LIST_HEAD(&conn->async_requests);
 	spin_lock_init(&conn->request_lock);
@@ -91,19 +90,17 @@ struct ksmbd_conn *ksmbd_conn_alloc(void)
 
 	init_rwsem(&conn->session_lock);
 
-	down_write(&conn_list_lock);
-	list_add(&conn->conns_list, &conn_list);
-	up_write(&conn_list_lock);
 	return conn;
 }
 
 bool ksmbd_conn_lookup_dialect(struct ksmbd_conn *c)
 {
 	struct ksmbd_conn *t;
+	int bkt;
 	bool ret = false;
 
 	down_read(&conn_list_lock);
-	list_for_each_entry(t, &conn_list, conns_list) {
+	hash_for_each(conn_list, bkt, t, hlist) {
 		if (memcmp(t->ClientGUID, c->ClientGUID, SMB2_CLIENT_GUID_SIZE))
 			continue;
 
@@ -164,9 +161,10 @@ void ksmbd_conn_unlock(struct ksmbd_conn *conn)
 void ksmbd_all_conn_set_status(u64 sess_id, u32 status)
 {
 	struct ksmbd_conn *conn;
+	int bkt;
 
 	down_read(&conn_list_lock);
-	list_for_each_entry(conn, &conn_list, conns_list) {
+	hash_for_each(conn_list, bkt, conn, hlist) {
 		if (conn->binding || xa_load(&conn->sessions, sess_id))
 			WRITE_ONCE(conn->status, status);
 	}
@@ -182,17 +180,16 @@ int ksmbd_conn_wait_idle_sess_id(struct ksmbd_conn *curr_conn, u64 sess_id)
 {
 	struct ksmbd_conn *conn;
 	int rc, retry_count = 0, max_timeout = 120;
-	int rcount = 1;
+	int rcount, bkt;
 
 retry_idle:
 	if (retry_count >= max_timeout)
 		return -EIO;
 
 	down_read(&conn_list_lock);
-	list_for_each_entry(conn, &conn_list, conns_list) {
+	hash_for_each(conn_list, bkt, conn, hlist) {
 		if (conn->binding || xa_load(&conn->sessions, sess_id)) {
-			if (conn == curr_conn)
-				rcount = 2;
+			rcount = (conn == curr_conn) ? 2 : 1;
 			if (atomic_read(&conn->req_running) >= rcount) {
 				rc = wait_event_timeout(conn->req_running_q,
 					atomic_read(&conn->req_running) < rcount,
@@ -480,10 +477,11 @@ static void stop_sessions(void)
 {
 	struct ksmbd_conn *conn;
 	struct ksmbd_transport *t;
+	int bkt;
 
 again:
 	down_read(&conn_list_lock);
-	list_for_each_entry(conn, &conn_list, conns_list) {
+	hash_for_each(conn_list, bkt, conn, hlist) {
 		t = conn->transport;
 		ksmbd_conn_set_exiting(conn);
 		if (t->ops->shutdown) {
@@ -494,8 +492,8 @@ static void stop_sessions(void)
 	}
 	up_read(&conn_list_lock);
 
-	if (!list_empty(&conn_list)) {
-		schedule_timeout_interruptible(HZ / 10); /* 100ms */
+	if (!hash_empty(conn_list)) {
+		msleep(100);
 		goto again;
 	}
 }
diff --git a/fs/smb/server/connection.h b/fs/smb/server/connection.h
index 45421269ddd8..2a4b0141ab45 100644
--- a/fs/smb/server/connection.h
+++ b/fs/smb/server/connection.h
@@ -52,11 +52,12 @@ struct ksmbd_conn {
 		u8			inet6_addr[16];
 #endif
 	};
+	unsigned int			inet_hash;
 	char				*request_buf;
 	struct ksmbd_transport		*transport;
 	struct nls_table		*local_nls;
 	struct unicode_map		*um;
-	struct list_head		conns_list;
+	struct hlist_node		hlist;
 	struct rw_semaphore		session_lock;
 	/* smb session 1 per user */
 	struct xarray			sessions;
@@ -151,7 +152,8 @@ struct ksmbd_transport {
 #define KSMBD_TCP_SEND_TIMEOUT	(5 * HZ)
 #define KSMBD_TCP_PEER_SOCKADDR(c)	((struct sockaddr *)&((c)->peer_addr))
 
-extern struct list_head conn_list;
+#define CONN_HASH_BITS	12
+extern DECLARE_HASHTABLE(conn_list, CONN_HASH_BITS);
 extern struct rw_semaphore conn_list_lock;
 
 bool ksmbd_conn_alive(struct ksmbd_conn *conn);
diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c
index 0ead29d69259..6c41a67be725 100644
--- a/fs/smb/server/smb2pdu.c
+++ b/fs/smb/server/smb2pdu.c
@@ -7348,7 +7348,7 @@ int smb2_lock(struct ksmbd_work *work)
 	int nolock = 0;
 	LIST_HEAD(lock_list);
 	LIST_HEAD(rollback_list);
-	int prior_lock = 0;
+	int prior_lock = 0, bkt;
 
 	WORK_BUFFERS(work, req, rsp);
 
@@ -7458,7 +7458,7 @@ int smb2_lock(struct ksmbd_work *work)
 		nolock = 1;
 		/* check locks in connection list */
 		down_read(&conn_list_lock);
-		list_for_each_entry(conn, &conn_list, conns_list) {
+		hash_for_each(conn_list, bkt, conn, hlist) {
 			spin_lock(&conn->llist_lock);
 			list_for_each_entry_safe(cmp_lock, tmp2, &conn->lock_list, clist) {
 				if (file_inode(cmp_lock->fl->fl_file) !=
diff --git a/fs/smb/server/smbacl.c b/fs/smb/server/smbacl.c
index 0c768761a731..0a3a26e63ebc 100644
--- a/fs/smb/server/smbacl.c
+++ b/fs/smb/server/smbacl.c
@@ -338,7 +338,7 @@ void posix_state_to_acl(struct posix_acl_state *state,
 	pace->e_perm = state->other.allow;
 }
 
-int init_acl_state(struct posix_acl_state *state, int cnt)
+int init_acl_state(struct posix_acl_state *state, u16 cnt)
 {
 	int alloc;
 
@@ -373,7 +373,7 @@ static void parse_dacl(struct mnt_idmap *idmap,
 		       struct smb_fattr *fattr)
 {
 	int i, ret;
-	int num_aces = 0;
+	u16 num_aces = 0;
 	unsigned int acl_size;
 	char *acl_base;
 	struct smb_ace **ppace;
@@ -394,12 +394,12 @@ static void parse_dacl(struct mnt_idmap *idmap,
 
 	ksmbd_debug(SMB, "DACL revision %d size %d num aces %d\n",
 		    le16_to_cpu(pdacl->revision), le16_to_cpu(pdacl->size),
-		    le32_to_cpu(pdacl->num_aces));
+		    le16_to_cpu(pdacl->num_aces));
 
 	acl_base = (char *)pdacl;
 	acl_size = sizeof(struct smb_acl);
 
-	num_aces = le32_to_cpu(pdacl->num_aces);
+	num_aces = le16_to_cpu(pdacl->num_aces);
 	if (num_aces <= 0)
 		return;
 
@@ -589,7 +589,7 @@ static void parse_dacl(struct mnt_idmap *idmap,
 
 static void set_posix_acl_entries_dacl(struct mnt_idmap *idmap,
 				       struct smb_ace *pndace,
-				       struct smb_fattr *fattr, u32 *num_aces,
+				       struct smb_fattr *fattr, u16 *num_aces,
 				       u16 *size, u32 nt_aces_num)
 {
 	struct posix_acl_entry *pace;
@@ -717,7 +717,7 @@ static void set_ntacl_dacl(struct mnt_idmap *idmap,
 			   struct smb_fattr *fattr)
 {
 	struct smb_ace *ntace, *pndace;
-	int nt_num_aces = le32_to_cpu(nt_dacl->num_aces), num_aces = 0;
+	u16 nt_num_aces = le16_to_cpu(nt_dacl->num_aces), num_aces = 0;
 	unsigned short size = 0;
 	int i;
 
@@ -745,7 +745,7 @@ static void set_ntacl_dacl(struct mnt_idmap *idmap,
 
 	set_posix_acl_entries_dacl(idmap, pndace, fattr,
 				   &num_aces, &size, nt_num_aces);
-	pndacl->num_aces = cpu_to_le32(num_aces);
+	pndacl->num_aces = cpu_to_le16(num_aces);
 	pndacl->size = cpu_to_le16(le16_to_cpu(pndacl->size) + size);
 }
 
@@ -753,7 +753,7 @@ static void set_mode_dacl(struct mnt_idmap *idmap,
 			  struct smb_acl *pndacl, struct smb_fattr *fattr)
 {
 	struct smb_ace *pace, *pndace;
-	u32 num_aces = 0;
+	u16 num_aces = 0;
 	u16 size = 0, ace_size = 0;
 	uid_t uid;
 	const struct smb_sid *sid;
@@ -809,7 +809,7 @@ static void set_mode_dacl(struct mnt_idmap *idmap,
 				 fattr->cf_mode, 0007);
 
 out:
-	pndacl->num_aces = cpu_to_le32(num_aces);
+	pndacl->num_aces = cpu_to_le16(num_aces);
 	pndacl->size = cpu_to_le16(le16_to_cpu(pndacl->size) + size);
 }
 
@@ -1039,8 +1039,9 @@ int smb_inherit_dacl(struct ksmbd_conn *conn,
 	struct smb_sid owner_sid, group_sid;
 	struct dentry *parent = path->dentry->d_parent;
 	struct mnt_idmap *idmap = mnt_idmap(path->mnt);
-	int inherited_flags = 0, flags = 0, i, ace_cnt = 0, nt_size = 0, pdacl_size;
-	int rc = 0, num_aces, dacloffset, pntsd_type, pntsd_size, acl_len, aces_size;
+	int inherited_flags = 0, flags = 0, i, nt_size = 0, pdacl_size;
+	int rc = 0, dacloffset, pntsd_type, pntsd_size, acl_len, aces_size;
+	u16 num_aces, ace_cnt = 0;
 	char *aces_base;
 	bool is_dir = S_ISDIR(d_inode(path->dentry)->i_mode);
 
@@ -1056,7 +1057,7 @@ int smb_inherit_dacl(struct ksmbd_conn *conn,
 
 	parent_pdacl = (struct smb_acl *)((char *)parent_pntsd + dacloffset);
 	acl_len = pntsd_size - dacloffset;
-	num_aces = le32_to_cpu(parent_pdacl->num_aces);
+	num_aces = le16_to_cpu(parent_pdacl->num_aces);
 	pntsd_type = le16_to_cpu(parent_pntsd->type);
 	pdacl_size = le16_to_cpu(parent_pdacl->size);
 
@@ -1215,7 +1216,7 @@ int smb_inherit_dacl(struct ksmbd_conn *conn,
 			pdacl = (struct smb_acl *)((char *)pntsd + le32_to_cpu(pntsd->dacloffset));
 			pdacl->revision = cpu_to_le16(2);
 			pdacl->size = cpu_to_le16(sizeof(struct smb_acl) + nt_size);
-			pdacl->num_aces = cpu_to_le32(ace_cnt);
+			pdacl->num_aces = cpu_to_le16(ace_cnt);
 			pace = (struct smb_ace *)((char *)pdacl + sizeof(struct smb_acl));
 			memcpy(pace, aces_base, nt_size);
 			pntsd_size += sizeof(struct smb_acl) + nt_size;
@@ -1296,11 +1297,14 @@ int smb_check_perm_dacl(struct ksmbd_conn *conn, const struct path *path,
 
 		ace = (struct smb_ace *)((char *)pdacl + sizeof(struct smb_acl));
 		aces_size = acl_size - sizeof(struct smb_acl);
-		for (i = 0; i < le32_to_cpu(pdacl->num_aces); i++) {
-			if (offsetof(struct smb_ace, access_req) > aces_size)
+		for (i = 0; i < le16_to_cpu(pdacl->num_aces); i++) {
+			if (offsetof(struct smb_ace, sid) +
+			    aces_size < CIFS_SID_BASE_SIZE)
 				break;
 			ace_size = le16_to_cpu(ace->size);
-			if (ace_size > aces_size)
+			if (ace_size > aces_size ||
+			    ace_size < offsetof(struct smb_ace, sid) +
+				       CIFS_SID_BASE_SIZE)
 				break;
 			aces_size -= ace_size;
 			granted |= le32_to_cpu(ace->access_req);
@@ -1317,14 +1321,20 @@ int smb_check_perm_dacl(struct ksmbd_conn *conn, const struct path *path,
 
 	ace = (struct smb_ace *)((char *)pdacl + sizeof(struct smb_acl));
 	aces_size = acl_size - sizeof(struct smb_acl);
-	for (i = 0; i < le32_to_cpu(pdacl->num_aces); i++) {
-		if (offsetof(struct smb_ace, access_req) > aces_size)
+	for (i = 0; i < le16_to_cpu(pdacl->num_aces); i++) {
+		if (offsetof(struct smb_ace, sid) +
+		    aces_size < CIFS_SID_BASE_SIZE)
 			break;
 		ace_size = le16_to_cpu(ace->size);
-		if (ace_size > aces_size)
+		if (ace_size > aces_size ||
+		    ace_size < offsetof(struct smb_ace, sid) +
+			       CIFS_SID_BASE_SIZE)
 			break;
 		aces_size -= ace_size;
 
+		if (ace->sid.num_subauth > SID_MAX_SUB_AUTHORITIES)
+			break;
+
 		if (!compare_sids(&sid, &ace->sid) ||
 		    !compare_sids(&sid_unix_NFS_mode, &ace->sid)) {
 			found = 1;
diff --git a/fs/smb/server/smbacl.h b/fs/smb/server/smbacl.h
index 2b52861707d8..355adaee39b8 100644
--- a/fs/smb/server/smbacl.h
+++ b/fs/smb/server/smbacl.h
@@ -8,6 +8,7 @@
 #ifndef _SMBACL_H
 #define _SMBACL_H
 
+#include "../common/smbacl.h"
 #include <linux/fs.h>
 #include <linux/namei.h>
 #include <linux/posix_acl.h>
@@ -15,32 +16,6 @@
 
 #include "mgmt/tree_connect.h"
 
-#define NUM_AUTHS (6)	/* number of authority fields */
-#define SID_MAX_SUB_AUTHORITIES (15) /* max number of sub authority fields */
-
-/*
- * ACE types - see MS-DTYP 2.4.4.1
- */
-enum {
-	ACCESS_ALLOWED,
-	ACCESS_DENIED,
-};
-
-/*
- * Security ID types
- */
-enum {
-	SIDOWNER = 1,
-	SIDGROUP,
-	SIDCREATOR_OWNER,
-	SIDCREATOR_GROUP,
-	SIDUNIX_USER,
-	SIDUNIX_GROUP,
-	SIDNFS_USER,
-	SIDNFS_GROUP,
-	SIDNFS_MODE,
-};
-
 /* Revision for ACLs */
 #define SD_REVISION	1
 
@@ -62,92 +37,8 @@ enum {
 #define RM_CONTROL_VALID	0x4000
 #define SELF_RELATIVE		0x8000
 
-/* ACE types - see MS-DTYP 2.4.4.1 */
-#define ACCESS_ALLOWED_ACE_TYPE 0x00
-#define ACCESS_DENIED_ACE_TYPE  0x01
-#define SYSTEM_AUDIT_ACE_TYPE   0x02
-#define SYSTEM_ALARM_ACE_TYPE   0x03
-#define ACCESS_ALLOWED_COMPOUND_ACE_TYPE 0x04
-#define ACCESS_ALLOWED_OBJECT_ACE_TYPE  0x05
-#define ACCESS_DENIED_OBJECT_ACE_TYPE   0x06
-#define SYSTEM_AUDIT_OBJECT_ACE_TYPE    0x07
-#define SYSTEM_ALARM_OBJECT_ACE_TYPE    0x08
-#define ACCESS_ALLOWED_CALLBACK_ACE_TYPE 0x09
-#define ACCESS_DENIED_CALLBACK_ACE_TYPE 0x0A
-#define ACCESS_ALLOWED_CALLBACK_OBJECT_ACE_TYPE 0x0B
-#define ACCESS_DENIED_CALLBACK_OBJECT_ACE_TYPE  0x0C
-#define SYSTEM_AUDIT_CALLBACK_ACE_TYPE  0x0D
-#define SYSTEM_ALARM_CALLBACK_ACE_TYPE  0x0E /* Reserved */
-#define SYSTEM_AUDIT_CALLBACK_OBJECT_ACE_TYPE 0x0F
-#define SYSTEM_ALARM_CALLBACK_OBJECT_ACE_TYPE 0x10 /* reserved */
-#define SYSTEM_MANDATORY_LABEL_ACE_TYPE 0x11
-#define SYSTEM_RESOURCE_ATTRIBUTE_ACE_TYPE 0x12
-#define SYSTEM_SCOPED_POLICY_ID_ACE_TYPE 0x13
-
-/* ACE flags */
-#define OBJECT_INHERIT_ACE		0x01
-#define CONTAINER_INHERIT_ACE		0x02
-#define NO_PROPAGATE_INHERIT_ACE	0x04
-#define INHERIT_ONLY_ACE		0x08
-#define INHERITED_ACE			0x10
-#define SUCCESSFUL_ACCESS_ACE_FLAG	0x40
-#define FAILED_ACCESS_ACE_FLAG		0x80
-
-/*
- * Maximum size of a string representation of a SID:
- *
- * The fields are unsigned values in decimal. So:
- *
- * u8:  max 3 bytes in decimal
- * u32: max 10 bytes in decimal
- *
- * "S-" + 3 bytes for version field + 15 for authority field + NULL terminator
- *
- * For authority field, max is when all 6 values are non-zero and it must be
- * represented in hex. So "-0x" + 12 hex digits.
- *
- * Add 11 bytes for each subauthority field (10 bytes each + 1 for '-')
- */
-#define SID_STRING_BASE_SIZE (2 + 3 + 15 + 1)
-#define SID_STRING_SUBAUTH_SIZE (11) /* size of a single subauth string */
-
-#define DOMAIN_USER_RID_LE	cpu_to_le32(513)
-
 struct ksmbd_conn;
 
-struct smb_ntsd {
-	__le16 revision; /* revision level */
-	__le16 type;
-	__le32 osidoffset;
-	__le32 gsidoffset;
-	__le32 sacloffset;
-	__le32 dacloffset;
-} __packed;
-
-struct smb_sid {
-	__u8 revision; /* revision level */
-	__u8 num_subauth;
-	__u8 authority[NUM_AUTHS];
-	__le32 sub_auth[SID_MAX_SUB_AUTHORITIES]; /* sub_auth[num_subauth] */
-} __packed;
-
-/* size of a struct cifs_sid, sans sub_auth array */
-#define CIFS_SID_BASE_SIZE (1 + 1 + NUM_AUTHS)
-
-struct smb_acl {
-	__le16 revision; /* revision level */
-	__le16 size;
-	__le32 num_aces;
-} __packed;
-
-struct smb_ace {
-	__u8 type;
-	__u8 flags;
-	__le16 size;
-	__le32 access_req;
-	struct smb_sid sid; /* ie UUID of user or group who gets these perms */
-} __packed;
-
 struct smb_fattr {
 	kuid_t	cf_uid;
 	kgid_t	cf_gid;
@@ -195,7 +86,7 @@ int parse_sec_desc(struct mnt_idmap *idmap, struct smb_ntsd *pntsd,
 int build_sec_desc(struct mnt_idmap *idmap, struct smb_ntsd *pntsd,
 		   struct smb_ntsd *ppntsd, int ppntsd_size, int addition_info,
 		   __u32 *secdesclen, struct smb_fattr *fattr);
-int init_acl_state(struct posix_acl_state *state, int cnt);
+int init_acl_state(struct posix_acl_state *state, u16 cnt);
 void free_acl_state(struct posix_acl_state *state);
 void posix_state_to_acl(struct posix_acl_state *state,
 			struct posix_acl_entry *pace);
diff --git a/fs/smb/server/transport_rdma.c b/fs/smb/server/transport_rdma.c
index 4bab3f89d2c8..3528ec33919d 100644
--- a/fs/smb/server/transport_rdma.c
+++ b/fs/smb/server/transport_rdma.c
@@ -381,6 +381,11 @@ static struct smb_direct_transport *alloc_transport(struct rdma_cm_id *cm_id)
 	conn = ksmbd_conn_alloc();
 	if (!conn)
 		goto err;
+
+	down_write(&conn_list_lock);
+	hash_add(conn_list, &conn->hlist, 0);
+	up_write(&conn_list_lock);
+
 	conn->transport = KSMBD_TRANS(t);
 	KSMBD_TRANS(t)->conn = conn;
 	KSMBD_TRANS(t)->ops = &ksmbd_smb_direct_transport_ops;
diff --git a/fs/smb/server/transport_tcp.c b/fs/smb/server/transport_tcp.c
index e55afd0c9bf4..b3a1df597d50 100644
--- a/fs/smb/server/transport_tcp.c
+++ b/fs/smb/server/transport_tcp.c
@@ -89,13 +89,21 @@ static struct tcp_transport *alloc_transport(struct socket *client_sk)
 	}
 
 #if IS_ENABLED(CONFIG_IPV6)
-	if (client_sk->sk->sk_family == AF_INET6)
+	if (client_sk->sk->sk_family == AF_INET6) {
 		memcpy(&conn->inet6_addr, &client_sk->sk->sk_v6_daddr, 16);
-	else
+		conn->inet_hash = ipv6_addr_hash(&client_sk->sk->sk_v6_daddr);
+	} else {
 		conn->inet_addr = inet_sk(client_sk->sk)->inet_daddr;
+		conn->inet_hash = ipv4_addr_hash(inet_sk(client_sk->sk)->inet_daddr);
+	}
 #else
 	conn->inet_addr = inet_sk(client_sk->sk)->inet_daddr;
+	conn->inet_hash = ipv4_addr_hash(inet_sk(client_sk->sk)->inet_daddr);
 #endif
+	down_write(&conn_list_lock);
+	hash_add(conn_list, &conn->hlist, conn->inet_hash);
+	up_write(&conn_list_lock);
+
 	conn->transport = KSMBD_TRANS(t);
 	KSMBD_TRANS(t)->conn = conn;
 	KSMBD_TRANS(t)->ops = &ksmbd_tcp_transport_ops;
@@ -242,7 +250,7 @@ static int ksmbd_kthread_fn(void *p)
 	struct socket *client_sk = NULL;
 	struct interface *iface = (struct interface *)p;
 	struct ksmbd_conn *conn;
-	int ret;
+	int ret, inet_hash;
 	unsigned int max_ip_conns;
 
 	while (!kthread_should_stop()) {
@@ -267,9 +275,18 @@ static int ksmbd_kthread_fn(void *p)
 		/*
 		 * Limits repeated connections from clients with the same IP.
 		 */
+#if IS_ENABLED(CONFIG_IPV6)
+		if (client_sk->sk->sk_family == AF_INET6)
+			inet_hash = ipv6_addr_hash(&client_sk->sk->sk_v6_daddr);
+		else
+			inet_hash = ipv4_addr_hash(inet_sk(client_sk->sk)->inet_daddr);
+#else
+		inet_hash = ipv4_addr_hash(inet_sk(client_sk->sk)->inet_daddr);
+#endif
+
 		max_ip_conns = 0;
 		down_read(&conn_list_lock);
-		list_for_each_entry(conn, &conn_list, conns_list) {
+		hash_for_each_possible(conn_list, conn, hlist, inet_hash) {
 #if IS_ENABLED(CONFIG_IPV6)
 			if (client_sk->sk->sk_family == AF_INET6) {
 				if (memcmp(&client_sk->sk->sk_v6_daddr,
diff --git a/fs/smb/server/vfs_cache.c b/fs/smb/server/vfs_cache.c
index 2fcb7ca33a63..eacc6ef41db0 100644
--- a/fs/smb/server/vfs_cache.c
+++ b/fs/smb/server/vfs_cache.c
@@ -356,9 +356,11 @@ static void __ksmbd_close_fd(struct ksmbd_file_table *ft, struct ksmbd_file *fp)
 	 * there are not accesses to fp->lock_list.
 	 */
 	list_for_each_entry_safe(smb_lock, tmp_lock, &fp->lock_list, flist) {
-		spin_lock(&fp->conn->llist_lock);
-		list_del(&smb_lock->clist);
-		spin_unlock(&fp->conn->llist_lock);
+		if (!list_empty(&smb_lock->clist) && fp->conn) {
+			spin_lock(&fp->conn->llist_lock);
+			list_del(&smb_lock->clist);
+			spin_unlock(&fp->conn->llist_lock);
+		}
 
 		list_del(&smb_lock->flist);
 		locks_free_lock(smb_lock->fl);
@@ -755,6 +757,7 @@ static bool session_fd_check(struct ksmbd_tree_connect *tcon,
 	struct ksmbd_inode *ci;
 	struct oplock_info *op;
 	struct ksmbd_conn *conn;
+	struct ksmbd_lock *smb_lock, *tmp_lock;
 
 	if (!is_reconnectable(fp))
 		return false;
@@ -771,6 +774,12 @@ static bool session_fd_check(struct ksmbd_tree_connect *tcon,
 	}
 	up_write(&ci->m_lock);
 
+	list_for_each_entry_safe(smb_lock, tmp_lock, &fp->lock_list, flist) {
+		spin_lock(&fp->conn->llist_lock);
+		list_del_init(&smb_lock->clist);
+		spin_unlock(&fp->conn->llist_lock);
+	}
+
 	fp->conn = NULL;
 	fp->tcon = NULL;
 	fp->volatile_id = KSMBD_NO_FID;
@@ -844,6 +853,9 @@ int ksmbd_reopen_durable_fd(struct ksmbd_work *work, struct ksmbd_file *fp)
 {
 	struct ksmbd_inode *ci;
 	struct oplock_info *op;
+	struct ksmbd_conn *conn = work->conn;
+	struct ksmbd_lock *smb_lock;
+	unsigned int old_f_state;
 
 	if (!fp->is_durable || fp->conn || fp->tcon) {
 		pr_err("Invalid durable fd [%p:%p]\n", fp->conn, fp->tcon);
@@ -855,9 +867,23 @@ int ksmbd_reopen_durable_fd(struct ksmbd_work *work, struct ksmbd_file *fp)
 		return -EBADF;
 	}
 
-	fp->conn = work->conn;
+	old_f_state = fp->f_state;
+	fp->f_state = FP_NEW;
+	__open_id(&work->sess->file_table, fp, OPEN_ID_TYPE_VOLATILE_ID);
+	if (!has_file_id(fp->volatile_id)) {
+		fp->f_state = old_f_state;
+		return -EBADF;
+	}
+
+	fp->conn = conn;
 	fp->tcon = work->tcon;
 
+	list_for_each_entry(smb_lock, &fp->lock_list, flist) {
+		spin_lock(&conn->llist_lock);
+		list_add_tail(&smb_lock->clist, &conn->lock_list);
+		spin_unlock(&conn->llist_lock);
+	}
+
 	ci = fp->f_ci;
 	down_write(&ci->m_lock);
 	list_for_each_entry_rcu(op, &ci->m_op_list, op_entry) {
@@ -868,12 +894,6 @@ int ksmbd_reopen_durable_fd(struct ksmbd_work *work, struct ksmbd_file *fp)
 	}
 	up_write(&ci->m_lock);
 
-	__open_id(&work->sess->file_table, fp, OPEN_ID_TYPE_VOLATILE_ID);
-	if (!has_file_id(fp->volatile_id)) {
-		fp->conn = NULL;
-		fp->tcon = NULL;
-		return -EBADF;
-	}
 	return 0;
 }
 
diff --git a/fs/tracefs/event_inode.c b/fs/tracefs/event_inode.c
index 4190e6155044..f98315e91e99 100644
--- a/fs/tracefs/event_inode.c
+++ b/fs/tracefs/event_inode.c
@@ -310,6 +310,8 @@ static void eventfs_set_attrs(struct eventfs_inode *ei, bool update_uid, kuid_t
 {
 	struct eventfs_inode *ei_child;
 
+	lockdep_assert_held(&eventfs_mutex);
+
 	/* Update events/<system>/<event> */
 	if (WARN_ON_ONCE(level > 3))
 		return;
@@ -985,3 +987,15 @@ void eventfs_remove_events_dir(struct eventfs_inode *ei)
 	d_invalidate(dentry);
 	dput(dentry);
 }
+
+int eventfs_remount_lock(void)
+{
+	mutex_lock(&eventfs_mutex);
+	return srcu_read_lock(&eventfs_srcu);
+}
+
+void eventfs_remount_unlock(int srcu_idx)
+{
+	srcu_read_unlock(&eventfs_srcu, srcu_idx);
+	mutex_unlock(&eventfs_mutex);
+}
diff --git a/fs/tracefs/inode.c b/fs/tracefs/inode.c
index 6b70965063d7..6c7b48770948 100644
--- a/fs/tracefs/inode.c
+++ b/fs/tracefs/inode.c
@@ -362,6 +362,7 @@ static int tracefs_apply_options(struct super_block *sb, bool remount)
 	struct tracefs_mount_opts *opts = &fsi->mount_opts;
 	struct tracefs_inode *ti;
 	bool update_uid, update_gid;
+	int srcu_idx;
 	umode_t tmp_mode;
 
 	/*
@@ -386,6 +387,7 @@ static int tracefs_apply_options(struct super_block *sb, bool remount)
 		update_uid = opts->opts & BIT(Opt_uid);
 		update_gid = opts->opts & BIT(Opt_gid);
 
+		srcu_idx = eventfs_remount_lock();
 		rcu_read_lock();
 		list_for_each_entry_rcu(ti, &tracefs_inodes, list) {
 			if (update_uid)
@@ -398,6 +400,7 @@ static int tracefs_apply_options(struct super_block *sb, bool remount)
 				eventfs_remount(ti, update_uid, update_gid);
 		}
 		rcu_read_unlock();
+		eventfs_remount_unlock(srcu_idx);
 	}
 
 	return 0;
@@ -444,7 +447,7 @@ static int tracefs_drop_inode(struct inode *inode)
 	 * This inode is being freed and cannot be used for
 	 * eventfs. Clear the flag so that it doesn't call into
 	 * eventfs during the remount flag updates. The eventfs_inode
-	 * gets freed after an RCU cycle, so the content will still
+	 * gets freed after an SRCU cycle, so the content will still
 	 * be safe if the iteration is going on now.
 	 */
 	ti->flags &= ~TRACEFS_EVENT_INODE;
diff --git a/fs/tracefs/internal.h b/fs/tracefs/internal.h
index d83c2a25f288..a4a7f8431aff 100644
--- a/fs/tracefs/internal.h
+++ b/fs/tracefs/internal.h
@@ -76,4 +76,7 @@ struct inode *tracefs_get_inode(struct super_block *sb);
 void eventfs_remount(struct tracefs_inode *ti, bool update_uid, bool update_gid);
 void eventfs_d_release(struct dentry *dentry);
 
+int eventfs_remount_lock(void);
+void eventfs_remount_unlock(int srcu_idx);
+
 #endif /* _TRACEFS_INTERNAL_H */
diff --git a/fs/udf/misc.c b/fs/udf/misc.c
index 0788593b6a1d..6928e378fbbd 100644
--- a/fs/udf/misc.c
+++ b/fs/udf/misc.c
@@ -230,8 +230,12 @@ 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/udf/super.c b/fs/udf/super.c
index cb13a07a4aa8..dbf5faf07912 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -1656,8 +1656,9 @@ static struct udf_vds_record *handle_partition_descriptor(
 			return &(data->part_descs_loc[i].rec);
 	if (data->num_part_descs >= data->size_part_descs) {
 		struct part_desc_seq_scan_data *new_loc;
-		unsigned int new_size = ALIGN(partnum, PART_DESC_ALLOC_STEP);
+		unsigned int new_size;
 
+		new_size = data->num_part_descs + PART_DESC_ALLOC_STEP;
 		new_loc = kcalloc(new_size, sizeof(*new_loc), GFP_KERNEL);
 		if (!new_loc)
 			return ERR_PTR(-ENOMEM);
@@ -1667,6 +1668,7 @@ static struct udf_vds_record *handle_partition_descriptor(
 		data->part_descs_loc = new_loc;
 		data->size_part_descs = new_size;
 	}
+	data->part_descs_loc[data->num_part_descs].partnum = partnum;
 	return &(data->part_descs_loc[data->num_part_descs++].rec);
 }
 
diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c
index 5ceb1fa8eb11..74c468cc432e 100644
--- a/fs/userfaultfd.c
+++ b/fs/userfaultfd.c
@@ -1295,8 +1295,6 @@ static __always_inline int validate_unaligned_range(
 		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/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index 20c1d146af1d..1181108f8074 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -2045,6 +2045,7 @@ xfs_alloc_buftarg(
 error_lru:
 	list_lru_destroy(&btp->bt_lru);
 error_free:
+	fs_put_dax(btp->bt_daxdev, mp);
 	kmem_free(btp);
 	return NULL;
 }
diff --git a/include/linux/bpf_verifier.h b/include/linux/bpf_verifier.h
index 32e89758176b..dba211d3bb9a 100644
--- a/include/linux/bpf_verifier.h
+++ b/include/linux/bpf_verifier.h
@@ -319,12 +319,34 @@ struct bpf_func_state {
 	struct bpf_stack_state *stack;
 };
 
-struct bpf_idx_pair {
-	u32 prev_idx;
+#define MAX_CALL_FRAMES 8
+
+/* instruction history flags, used in bpf_jmp_history_entry.flags field */
+enum {
+	/* instruction references stack slot through PTR_TO_STACK register;
+	 * we also store stack's frame number in lower 3 bits (MAX_CALL_FRAMES is 8)
+	 * and accessed stack slot's index in next 6 bits (MAX_BPF_STACK is 512,
+	 * 8 bytes per slot, so slot index (spi) is [0, 63])
+	 */
+	INSN_F_FRAMENO_MASK = 0x7, /* 3 bits */
+
+	INSN_F_SPI_MASK = 0x3f, /* 6 bits */
+	INSN_F_SPI_SHIFT = 3, /* shifted 3 bits to the left */
+
+	INSN_F_STACK_ACCESS = BIT(9), /* we need 10 bits total */
+};
+
+static_assert(INSN_F_FRAMENO_MASK + 1 >= MAX_CALL_FRAMES);
+static_assert(INSN_F_SPI_MASK + 1 >= MAX_BPF_STACK / 8);
+
+struct bpf_jmp_history_entry {
 	u32 idx;
+	/* insn idx can't be bigger than 1 million */
+	u32 prev_idx : 22;
+	/* special flags, e.g., whether insn is doing register stack spill/load */
+	u32 flags : 10;
 };
 
-#define MAX_CALL_FRAMES 8
 /* Maximum number of register states that can exist at once */
 #define BPF_ID_MAP_SIZE ((MAX_BPF_REG + MAX_BPF_STACK / BPF_REG_SIZE) * MAX_CALL_FRAMES)
 struct bpf_verifier_state {
@@ -407,7 +429,7 @@ struct bpf_verifier_state {
 	 * For most states jmp_history_cnt is [0-3].
 	 * For loops can go up to ~40.
 	 */
-	struct bpf_idx_pair *jmp_history;
+	struct bpf_jmp_history_entry *jmp_history;
 	u32 jmp_history_cnt;
 	u32 dfs_depth;
 	u32 callback_unroll_depth;
@@ -641,6 +663,7 @@ struct bpf_verifier_env {
 		int cur_stack;
 	} cfg;
 	struct backtrack_state bt;
+	struct bpf_jmp_history_entry *cur_hist_ent;
 	u32 pass_cnt; /* number of times do_check() was called */
 	u32 subprog_cnt;
 	/* number of instructions analyzed by the verifier */
diff --git a/include/linux/damon.h b/include/linux/damon.h
index 343132a146cf..8d88ac52a72d 100644
--- a/include/linux/damon.h
+++ b/include/linux/damon.h
@@ -677,6 +677,8 @@ static inline unsigned int damon_max_nr_accesses(const struct damon_attrs *attrs
 
 int damon_start(struct damon_ctx **ctxs, int nr_ctxs, bool exclusive);
 int damon_stop(struct damon_ctx **ctxs, int nr_ctxs);
+bool damon_is_running(struct damon_ctx *ctx);
+int damon_kdamond_pid(struct damon_ctx *ctx);
 
 int damon_set_region_biggest_system_ram_default(struct damon_target *t,
 				unsigned long *start, unsigned long *end);
diff --git a/include/linux/device.h b/include/linux/device.h
index e5f1a773dc54..8fb9bd71fcd0 100644
--- a/include/linux/device.h
+++ b/include/linux/device.h
@@ -602,6 +602,22 @@ struct device_physical_location {
 	bool lid;
 };
 
+/**
+ * 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.
@@ -693,6 +709,7 @@ struct device_physical_location {
  *		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
@@ -805,8 +822,36 @@ 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.
diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h
index b9affa64b7fa..fed8bec024db 100644
--- a/include/linux/f2fs_fs.h
+++ b/include/linux/f2fs_fs.h
@@ -77,6 +77,7 @@ enum stop_cp_reason {
 	STOP_CP_REASON_UPDATE_INODE,
 	STOP_CP_REASON_FLUSH_FAIL,
 	STOP_CP_REASON_NO_SEGMENT,
+	STOP_CP_REASON_CORRUPTED_NID,
 	STOP_CP_REASON_MAX,
 };
 
diff --git a/include/linux/fb.h b/include/linux/fb.h
index 322b4d20afa5..8a9d949cc7e2 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -214,11 +214,12 @@ struct fb_deferred_io {
 	unsigned long delay;
 	bool sort_pagereflist; /* sort pagelist by offset */
 	int open_count; /* number of opened files; protected by fb_info lock */
-	struct mutex lock; /* mutex that protects the pageref list */
 	struct list_head pagereflist; /* list of pagerefs for touched pages */
 	/* callback */
 	void (*deferred_io)(struct fb_info *info, struct list_head *pagelist);
 };
+
+struct fb_deferred_io_state;
 #endif
 
 /*
@@ -476,6 +477,7 @@ struct fb_info {
 	unsigned long npagerefs;
 	struct fb_deferred_io_pageref *pagerefs;
 	struct fb_deferred_io *fbdefio;
+	struct fb_deferred_io_state *fbdefio_state;
 #endif
 
 	const struct fb_ops *fbops;
diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h
index 575415b51349..9bc585a29b78 100644
--- a/include/linux/fsnotify_backend.h
+++ b/include/linux/fsnotify_backend.h
@@ -817,6 +817,7 @@ 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 7efb4493e51c..76680d583852 100644
--- a/include/linux/fwnode.h
+++ b/include/linux/fwnode.h
@@ -12,6 +12,7 @@
 #include <linux/types.h>
 #include <linux/list.h>
 #include <linux/bits.h>
+#include <linux/bitops.h>
 #include <linux/err.h>
 
 struct fwnode_operations;
@@ -31,12 +32,12 @@ struct device;
  *		suppliers. Only enforce ordering with suppliers that have
  *		drivers.
  */
-#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_BEST_EFFORT			BIT(4)
-#define FWNODE_FLAG_VISITED			BIT(5)
+#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
+#define FWNODE_FLAG_BEST_EFFORT			4
+#define FWNODE_FLAG_VISITED			5
 
 struct fwnode_handle {
 	struct fwnode_handle *secondary;
@@ -44,7 +45,7 @@ struct fwnode_handle {
 	struct device *dev;
 	struct list_head suppliers;
 	struct list_head consumers;
-	u8 flags;
+	unsigned long flags;
 };
 
 /*
@@ -197,16 +198,37 @@ static inline void fwnode_init(struct fwnode_handle *fwnode,
 	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 bool fw_devlink_is_strict(void);
diff --git a/include/linux/mmap_lock.h b/include/linux/mmap_lock.h
index 8d38dcb6d044..153e01867790 100644
--- a/include/linux/mmap_lock.h
+++ b/include/linux/mmap_lock.h
@@ -116,7 +116,7 @@ static inline void mmap_write_lock_nested(struct mm_struct *mm, int subclass)
 	__mmap_lock_trace_acquire_returned(mm, true, true);
 }
 
-static inline int mmap_write_lock_killable(struct mm_struct *mm)
+static inline int __must_check mmap_write_lock_killable(struct mm_struct *mm)
 {
 	int ret;
 
@@ -147,7 +147,7 @@ static inline void mmap_read_lock(struct mm_struct *mm)
 	__mmap_lock_trace_acquire_returned(mm, false, true);
 }
 
-static inline int mmap_read_lock_killable(struct mm_struct *mm)
+static inline int __must_check mmap_read_lock_killable(struct mm_struct *mm)
 {
 	int ret;
 
@@ -157,7 +157,7 @@ static inline int mmap_read_lock_killable(struct mm_struct *mm)
 	return ret;
 }
 
-static inline bool mmap_read_trylock(struct mm_struct *mm)
+static inline bool __must_check mmap_read_trylock(struct mm_struct *mm)
 {
 	bool ret;
 
diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 7c6da19fff9f..d9fbd389dce2 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -298,6 +298,7 @@ struct mmc_card {
 #define MMC_QUIRK_BROKEN_CACHE_FLUSH	(1<<16)	/* Don't flush cache until the write has occurred */
 #define MMC_QUIRK_BROKEN_SD_POWEROFF_NOTIFY	(1<<17) /* Disable broken SD poweroff notify support */
 #define MMC_QUIRK_NO_UHS_DDR50_TUNING	(1<<18) /* Disable DDR50 tuning */
+#define MMC_QUIRK_FIXED_SECURE_ERASE_TRIM_TIME	(1<<20) /* Secure erase/trim time is fixed regardless of size */
 
 	bool			written_flag;	/* Indicates eMMC has been written since power on */
 	bool			reenable_cmdq;	/* Re-enable Command Queue */
diff --git a/include/linux/padata.h b/include/linux/padata.h
index 495b16b6b4d7..6f07e12a4381 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/printk.h b/include/linux/printk.h
index e4878bb58f66..478203bb2369 100644
--- a/include/linux/printk.h
+++ b/include/linux/printk.h
@@ -745,6 +745,19 @@ static inline void print_hex_dump_debug(const char *prefix_str, int prefix_type,
 }
 #endif
 
+#if defined(DEBUG)
+#define print_hex_dump_devel(prefix_str, prefix_type, rowsize,		\
+			     groupsize, buf, len, ascii)		\
+	print_hex_dump(KERN_DEBUG, prefix_str, prefix_type, rowsize,	\
+		       groupsize, buf, len, ascii)
+#else
+static inline void print_hex_dump_devel(const char *prefix_str, int prefix_type,
+					int rowsize, int groupsize,
+					const void *buf, size_t len, bool ascii)
+{
+}
+#endif
+
 /**
  * print_hex_dump_bytes - shorthand form of print_hex_dump() with default params
  * @prefix_str: string to prefix each line with;
diff --git a/include/linux/randomize_kstack.h b/include/linux/randomize_kstack.h
index 6d92b68efbf6..7792ee5e509f 100644
--- a/include/linux/randomize_kstack.h
+++ b/include/linux/randomize_kstack.h
@@ -9,7 +9,6 @@
 
 DECLARE_STATIC_KEY_MAYBE(CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT,
 			 randomize_kstack_offset);
-DECLARE_PER_CPU(u32, kstack_offset);
 
 /*
  * Do not use this anywhere else in the kernel. This is used here because
@@ -44,15 +43,14 @@ DECLARE_PER_CPU(u32, kstack_offset);
  * add_random_kstack_offset - Increase stack utilization by previously
  *			      chosen random offset
  *
- * This should be used in the syscall entry path when interrupts and
- * preempt are disabled, and after user registers have been stored to
- * the stack. For testing the resulting entropy, please see:
- * tools/testing/selftests/lkdtm/stack-entropy.sh
+ * This should be used in the syscall entry path after user registers have been
+ * stored to the stack. Preemption may be enabled. For testing the resulting
+ * entropy, please see: tools/testing/selftests/lkdtm/stack-entropy.sh
  */
 #define add_random_kstack_offset() do {					\
 	if (static_branch_maybe(CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT,	\
 				&randomize_kstack_offset)) {		\
-		u32 offset = raw_cpu_read(kstack_offset);		\
+		u32 offset = current->kstack_offset;			\
 		u8 *ptr = __kstack_alloca(KSTACK_OFFSET_MAX(offset));	\
 		/* Keep allocation even after "ptr" loses scope. */	\
 		asm volatile("" :: "r"(ptr) : "memory");		\
@@ -63,9 +61,9 @@ DECLARE_PER_CPU(u32, kstack_offset);
  * choose_random_kstack_offset - Choose the random offset for the next
  *				 add_random_kstack_offset()
  *
- * This should only be used during syscall exit when interrupts and
- * preempt are disabled. This position in the syscall flow is done to
- * frustrate attacks from userspace attempting to learn the next offset:
+ * This should only be used during syscall exit. Preemption may be enabled. This
+ * position in the syscall flow is done to frustrate attacks from userspace
+ * attempting to learn the next offset:
  * - Maximize the timing uncertainty visible from userspace: if the
  *   offset is chosen at syscall entry, userspace has much more control
  *   over the timing between choosing offsets. "How long will we be in
@@ -79,14 +77,20 @@ DECLARE_PER_CPU(u32, kstack_offset);
 #define choose_random_kstack_offset(rand) do {				\
 	if (static_branch_maybe(CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT,	\
 				&randomize_kstack_offset)) {		\
-		u32 offset = raw_cpu_read(kstack_offset);		\
+		u32 offset = current->kstack_offset;			\
 		offset = ror32(offset, 5) ^ (rand);			\
-		raw_cpu_write(kstack_offset, offset);			\
+		current->kstack_offset = offset;			\
 	}								\
 } while (0)
+
+static inline void random_kstack_task_init(struct task_struct *tsk)
+{
+	tsk->kstack_offset = 0;
+}
 #else /* CONFIG_RANDOMIZE_KSTACK_OFFSET */
 #define add_random_kstack_offset()		do { } while (0)
 #define choose_random_kstack_offset(rand)	do { } while (0)
+#define random_kstack_task_init(tsk)		do { } while (0)
 #endif /* CONFIG_RANDOMIZE_KSTACK_OFFSET */
 
 #endif
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 856a560100c2..fad3aad97c7b 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1501,6 +1501,10 @@ struct task_struct {
 	unsigned long			prev_lowest_stack;
 #endif
 
+#ifdef CONFIG_RANDOMIZE_KSTACK_OFFSET
+	u32				kstack_offset;
+#endif
+
 #ifdef CONFIG_X86_MCE
 	void __user			*mce_vaddr;
 	__u64				mce_kflags;
diff --git a/include/linux/tpm_eventlog.h b/include/linux/tpm_eventlog.h
index 7d68a5cc5881..6e5be15029fb 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/usb.h b/include/linux/usb.h
index 6e6e32067148..e49e5ab57813 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -53,7 +53,8 @@ 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/mana/mana.h b/include/net/mana/mana.h
index 7892b79854f6..d716771a7262 100644
--- a/include/net/mana/mana.h
+++ b/include/net/mana/mana.h
@@ -437,6 +437,7 @@ struct mana_port_context {
 netdev_tx_t mana_start_xmit(struct sk_buff *skb, struct net_device *ndev);
 int mana_config_rss(struct mana_port_context *ac, enum TRI_STATE rx,
 		    bool update_hash, bool update_tab);
+int mana_disable_vport_rx(struct mana_port_context *apc);
 
 int mana_alloc_queues(struct net_device *ndev);
 int mana_attach(struct net_device *ndev);
diff --git a/include/net/mctp.h b/include/net/mctp.h
index 1eb1b4393e46..6dbed4ca2220 100644
--- a/include/net/mctp.h
+++ b/include/net/mctp.h
@@ -26,6 +26,9 @@ struct mctp_hdr {
 #define MCTP_VER_MIN	1
 #define MCTP_VER_MAX	1
 
+/* Definitions for ver field */
+#define MCTP_HDR_VER_MASK	GENMASK(3, 0)
+
 /* Definitions for flags_seq_tag field */
 #define MCTP_HDR_FLAG_SOM	BIT(7)
 #define MCTP_HDR_FLAG_EOM	BIT(6)
diff --git a/include/trace/events/rxrpc.h b/include/trace/events/rxrpc.h
index 6965099dda89..f0560087637e 100644
--- a/include/trace/events/rxrpc.h
+++ b/include/trace/events/rxrpc.h
@@ -36,6 +36,7 @@
 	EM(rxkad_abort_1_short_encdata,		"rxkad1-short-encdata")	\
 	EM(rxkad_abort_1_short_header,		"rxkad1-short-hdr")	\
 	EM(rxkad_abort_2_short_check,		"rxkad2-short-check")	\
+	EM(rxkad_abort_2_crypto_unaligned,	"rxkad2-crypto-unaligned") \
 	EM(rxkad_abort_2_short_data,		"rxkad2-short-data")	\
 	EM(rxkad_abort_2_short_header,		"rxkad2-short-hdr")	\
 	EM(rxkad_abort_2_short_len,		"rxkad2-short-len")	\
@@ -125,8 +126,6 @@
 	E_(rxrpc_call_poke_timer_now,		"Timer-now")
 
 #define rxrpc_skb_traces \
-	EM(rxrpc_skb_eaten_by_unshare,		"ETN unshare  ") \
-	EM(rxrpc_skb_eaten_by_unshare_nomem,	"ETN unshar-nm") \
 	EM(rxrpc_skb_get_conn_secured,		"GET conn-secd") \
 	EM(rxrpc_skb_get_conn_work,		"GET conn-work") \
 	EM(rxrpc_skb_get_last_nack,		"GET last-nack") \
@@ -145,12 +144,14 @@
 	EM(rxrpc_skb_put_jumbo_subpacket,	"PUT jumbo-sub") \
 	EM(rxrpc_skb_put_last_nack,		"PUT last-nack") \
 	EM(rxrpc_skb_put_purge,			"PUT purge    ") \
+	EM(rxrpc_skb_put_response_copy,		"PUT resp-cpy ") \
 	EM(rxrpc_skb_put_rotate,		"PUT rotate   ") \
 	EM(rxrpc_skb_put_unknown,		"PUT unknown  ") \
 	EM(rxrpc_skb_see_conn_work,		"SEE conn-work") \
 	EM(rxrpc_skb_see_recvmsg,		"SEE recvmsg  ") \
 	EM(rxrpc_skb_see_reject,		"SEE reject   ") \
 	EM(rxrpc_skb_see_rotate,		"SEE rotate   ") \
+	EM(rxrpc_skb_see_unshare_nomem,		"SEE unshar-nm") \
 	E_(rxrpc_skb_see_version,		"SEE version  ")
 
 #define rxrpc_local_traces \
@@ -231,7 +232,6 @@
 	EM(rxrpc_conn_put_unidle,		"PUT unidle  ") \
 	EM(rxrpc_conn_put_work,			"PUT work    ") \
 	EM(rxrpc_conn_queue_challenge,		"QUE chall   ") \
-	EM(rxrpc_conn_queue_retry_work,		"QUE retry-wk") \
 	EM(rxrpc_conn_queue_rx_work,		"QUE rx-work ") \
 	EM(rxrpc_conn_see_new_service_conn,	"SEE new-svc ") \
 	EM(rxrpc_conn_see_reap_service,		"SEE reap-svc") \
diff --git a/include/video/udlfb.h b/include/video/udlfb.h
index 58fb5732831a..ab34790d57ec 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/init/main.c b/init/main.c
index 20d2dd4d9b40..eac47a2beb7e 100644
--- a/init/main.c
+++ b/init/main.c
@@ -816,7 +816,6 @@ static inline void initcall_debug_enable(void)
 #ifdef CONFIG_RANDOMIZE_KSTACK_OFFSET
 DEFINE_STATIC_KEY_MAYBE_RO(CONFIG_RANDOMIZE_KSTACK_OFFSET_DEFAULT,
 			   randomize_kstack_offset);
-DEFINE_PER_CPU(u32, kstack_offset);
 
 static int __init early_randomize_kstack_offset(char *buf)
 {
diff --git a/io_uring/poll.c b/io_uring/poll.c
index 64835d692c37..66a0a9b9950b 100644
--- a/io_uring/poll.c
+++ b/io_uring/poll.c
@@ -91,7 +91,7 @@ static bool io_poll_get_ownership_slowpath(struct io_kiocb *req)
  */
 static inline bool io_poll_get_ownership(struct io_kiocb *req)
 {
-	if (unlikely(atomic_read(&req->poll_refs) >= IO_POLL_REF_BIAS))
+	if (unlikely((unsigned int)atomic_read(&req->poll_refs) >= IO_POLL_REF_BIAS))
 		return io_poll_get_ownership_slowpath(req);
 	return !(atomic_fetch_inc(&req->poll_refs) & IO_POLL_REF_MASK);
 }
@@ -321,7 +321,13 @@ static int io_poll_check_events(struct io_kiocb *req, struct io_tw_state *ts)
 				return IOU_POLL_REMOVE_POLL_USE_RES;
 			}
 		} else {
-			int ret = io_poll_issue(req, ts);
+			int ret;
+
+			/* multiple refs and HUP, ensure we loop once more */
+			if ((req->cqe.res & (POLLHUP | POLLRDHUP)) &&
+			    (v & IO_POLL_REF_MASK) != 1)
+				v--;
+			ret = io_poll_issue(req, ts);
 			if (ret == IOU_STOP_MULTISHOT)
 				return IOU_POLL_REMOVE_POLL_USE_RES;
 			else if (ret == IOU_REQUEUE)
@@ -441,8 +447,10 @@ static int io_poll_wake(struct wait_queue_entry *wait, unsigned mode, int sync,
 		 * disable multishot as there is a circular dependency between
 		 * CQ posting and triggering the event.
 		 */
-		if (mask & EPOLL_URING_WAKE)
+		if (mask & EPOLL_URING_WAKE) {
 			poll->events |= EPOLLONESHOT;
+			req->apoll_events |= EPOLLONESHOT;
+		}
 
 		/* optional, saves extra locking for removal in tw handler */
 		if (mask && poll->events & EPOLLONESHOT) {
diff --git a/io_uring/timeout.c b/io_uring/timeout.c
index be2a0f6c209b..edf4b2455c48 100644
--- a/io_uring/timeout.c
+++ b/io_uring/timeout.c
@@ -428,6 +428,8 @@ int io_timeout_remove_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
 
 	if (unlikely(req->flags & (REQ_F_FIXED_FILE | REQ_F_BUFFER_SELECT)))
 		return -EINVAL;
+	if (sqe->addr3 || sqe->__pad2[0])
+		return -EINVAL;
 	if (sqe->buf_index || sqe->len || sqe->splice_fd_in)
 		return -EINVAL;
 
@@ -500,6 +502,8 @@ static int __io_timeout_prep(struct io_kiocb *req,
 	unsigned flags;
 	u32 off = READ_ONCE(sqe->off);
 
+	if (sqe->addr3 || sqe->__pad2[0])
+		return -EINVAL;
 	if (sqe->buf_index || sqe->len != 1 || sqe->splice_fd_in)
 		return -EINVAL;
 	if (off && is_timeout_link)
diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c
index 45eb795c8c04..b7fd3995538b 100644
--- a/kernel/bpf/verifier.c
+++ b/kernel/bpf/verifier.c
@@ -1347,6 +1347,24 @@ static bool is_spilled_scalar_reg(const struct bpf_stack_state *stack)
 	       stack->spilled_ptr.type == SCALAR_VALUE;
 }
 
+/* Mark stack slot as STACK_MISC, unless it is already STACK_INVALID, in which
+ * case they are equivalent, or it's STACK_ZERO, in which case we preserve
+ * more precise STACK_ZERO.
+ * Regardless of allow_ptr_leaks setting (i.e., privileged or unprivileged
+ * mode), we won't promote STACK_INVALID to STACK_MISC. In privileged case it is
+ * unnecessary as both are considered equivalent when loading data and pruning,
+ * in case of unprivileged mode it will be incorrect to allow reads of invalid
+ * slots.
+ */
+static void mark_stack_slot_misc(struct bpf_verifier_env *env, u8 *stype)
+{
+	if (*stype == STACK_ZERO)
+		return;
+	if (*stype == STACK_INVALID)
+		return;
+	*stype = STACK_MISC;
+}
+
 static void scrub_spilled_slot(u8 *stype)
 {
 	if (*stype != STACK_INVALID)
@@ -1763,8 +1781,8 @@ static int copy_verifier_state(struct bpf_verifier_state *dst_state,
 	int i, err;
 
 	dst_state->jmp_history = copy_array(dst_state->jmp_history, src->jmp_history,
-					    src->jmp_history_cnt, sizeof(struct bpf_idx_pair),
-					    GFP_USER);
+					  src->jmp_history_cnt, sizeof(*dst_state->jmp_history),
+					  GFP_USER);
 	if (!dst_state->jmp_history)
 		return -ENOMEM;
 	dst_state->jmp_history_cnt = src->jmp_history_cnt;
@@ -3418,6 +3436,21 @@ static int check_reg_arg(struct bpf_verifier_env *env, u32 regno,
 	return __check_reg_arg(env, state->regs, regno, t);
 }
 
+static int insn_stack_access_flags(int frameno, int spi)
+{
+	return INSN_F_STACK_ACCESS | (spi << INSN_F_SPI_SHIFT) | frameno;
+}
+
+static int insn_stack_access_spi(int insn_flags)
+{
+	return (insn_flags >> INSN_F_SPI_SHIFT) & INSN_F_SPI_MASK;
+}
+
+static int insn_stack_access_frameno(int insn_flags)
+{
+	return insn_flags & INSN_F_FRAMENO_MASK;
+}
+
 static void mark_jmp_point(struct bpf_verifier_env *env, int idx)
 {
 	env->insn_aux_data[idx].jmp_point = true;
@@ -3429,28 +3462,51 @@ static bool is_jmp_point(struct bpf_verifier_env *env, int insn_idx)
 }
 
 /* for any branch, call, exit record the history of jmps in the given state */
-static int push_jmp_history(struct bpf_verifier_env *env,
-			    struct bpf_verifier_state *cur)
+static int push_jmp_history(struct bpf_verifier_env *env, struct bpf_verifier_state *cur,
+			    int insn_flags)
 {
 	u32 cnt = cur->jmp_history_cnt;
-	struct bpf_idx_pair *p;
+	struct bpf_jmp_history_entry *p;
 	size_t alloc_size;
 
-	if (!is_jmp_point(env, env->insn_idx))
+	/* combine instruction flags if we already recorded this instruction */
+	if (env->cur_hist_ent) {
+		/* atomic instructions push insn_flags twice, for READ and
+		 * WRITE sides, but they should agree on stack slot
+		 */
+		WARN_ONCE((env->cur_hist_ent->flags & insn_flags) &&
+			  (env->cur_hist_ent->flags & insn_flags) != insn_flags,
+			  "verifier insn history bug: insn_idx %d cur flags %x new flags %x\n",
+			  env->insn_idx, env->cur_hist_ent->flags, insn_flags);
+		env->cur_hist_ent->flags |= insn_flags;
 		return 0;
+	}
 
 	cnt++;
 	alloc_size = kmalloc_size_roundup(size_mul(cnt, sizeof(*p)));
 	p = krealloc(cur->jmp_history, alloc_size, GFP_USER);
 	if (!p)
 		return -ENOMEM;
-	p[cnt - 1].idx = env->insn_idx;
-	p[cnt - 1].prev_idx = env->prev_insn_idx;
 	cur->jmp_history = p;
+
+	p = &cur->jmp_history[cnt - 1];
+	p->idx = env->insn_idx;
+	p->prev_idx = env->prev_insn_idx;
+	p->flags = insn_flags;
 	cur->jmp_history_cnt = cnt;
+	env->cur_hist_ent = p;
+
 	return 0;
 }
 
+static struct bpf_jmp_history_entry *get_jmp_hist_entry(struct bpf_verifier_state *st,
+						        u32 hist_end, int insn_idx)
+{
+	if (hist_end > 0 && st->jmp_history[hist_end - 1].idx == insn_idx)
+		return &st->jmp_history[hist_end - 1];
+	return NULL;
+}
+
 /* Backtrack one insn at a time. If idx is not at the top of recorded
  * history then previous instruction came from straight line execution.
  * Return -ENOENT if we exhausted all instructions within given state.
@@ -3612,9 +3668,14 @@ static inline bool bt_is_reg_set(struct backtrack_state *bt, u32 reg)
 	return bt->reg_masks[bt->frame] & (1 << reg);
 }
 
+static inline bool bt_is_frame_slot_set(struct backtrack_state *bt, u32 frame, u32 slot)
+{
+	return bt->stack_masks[frame] & (1ull << slot);
+}
+
 static inline bool bt_is_slot_set(struct backtrack_state *bt, u32 slot)
 {
-	return bt->stack_masks[bt->frame] & (1ull << slot);
+	return bt_is_frame_slot_set(bt, bt->frame, slot);
 }
 
 /* format registers bitmask, e.g., "r0,r2,r4" for 0x15 mask */
@@ -3668,7 +3729,7 @@ static bool calls_callback(struct bpf_verifier_env *env, int insn_idx);
  *   - *was* processed previously during backtracking.
  */
 static int backtrack_insn(struct bpf_verifier_env *env, int idx, int subseq_idx,
-			  struct backtrack_state *bt)
+			  struct bpf_jmp_history_entry *hist, struct backtrack_state *bt)
 {
 	const struct bpf_insn_cbs cbs = {
 		.cb_call	= disasm_kfunc_name,
@@ -3681,7 +3742,7 @@ static int backtrack_insn(struct bpf_verifier_env *env, int idx, int subseq_idx,
 	u8 mode = BPF_MODE(insn->code);
 	u32 dreg = insn->dst_reg;
 	u32 sreg = insn->src_reg;
-	u32 spi, i;
+	u32 spi, i, fr;
 
 	if (insn->code == 0)
 		return 0;
@@ -3744,20 +3805,15 @@ static int backtrack_insn(struct bpf_verifier_env *env, int idx, int subseq_idx,
 		 * by 'precise' mark in corresponding register of this state.
 		 * No further tracking necessary.
 		 */
-		if (insn->src_reg != BPF_REG_FP)
+		if (!hist || !(hist->flags & INSN_F_STACK_ACCESS))
 			return 0;
-
 		/* dreg = *(u64 *)[fp - off] was a fill from the stack.
 		 * that [fp - off] slot contains scalar that needs to be
 		 * tracked with precision
 		 */
-		spi = (-insn->off - 1) / BPF_REG_SIZE;
-		if (spi >= 64) {
-			verbose(env, "BUG spi %d\n", spi);
-			WARN_ONCE(1, "verifier backtracking bug");
-			return -EFAULT;
-		}
-		bt_set_slot(bt, spi);
+		spi = insn_stack_access_spi(hist->flags);
+		fr = insn_stack_access_frameno(hist->flags);
+		bt_set_frame_slot(bt, fr, spi);
 	} else if (class == BPF_STX || class == BPF_ST) {
 		if (bt_is_reg_set(bt, dreg))
 			/* stx & st shouldn't be using _scalar_ dst_reg
@@ -3766,17 +3822,13 @@ static int backtrack_insn(struct bpf_verifier_env *env, int idx, int subseq_idx,
 			 */
 			return -ENOTSUPP;
 		/* scalars can only be spilled into stack */
-		if (insn->dst_reg != BPF_REG_FP)
+		if (!hist || !(hist->flags & INSN_F_STACK_ACCESS))
 			return 0;
-		spi = (-insn->off - 1) / BPF_REG_SIZE;
-		if (spi >= 64) {
-			verbose(env, "BUG spi %d\n", spi);
-			WARN_ONCE(1, "verifier backtracking bug");
-			return -EFAULT;
-		}
-		if (!bt_is_slot_set(bt, spi))
+		spi = insn_stack_access_spi(hist->flags);
+		fr = insn_stack_access_frameno(hist->flags);
+		if (!bt_is_frame_slot_set(bt, fr, spi))
 			return 0;
-		bt_clear_slot(bt, spi);
+		bt_clear_frame_slot(bt, fr, spi);
 		if (class == BPF_STX)
 			bt_set_reg(bt, sreg);
 	} else if (class == BPF_JMP || class == BPF_JMP32) {
@@ -3820,10 +3872,14 @@ static int backtrack_insn(struct bpf_verifier_env *env, int idx, int subseq_idx,
 					WARN_ONCE(1, "verifier backtracking bug");
 					return -EFAULT;
 				}
-				/* we don't track register spills perfectly,
-				 * so fallback to force-precise instead of failing */
-				if (bt_stack_mask(bt) != 0)
-					return -ENOTSUPP;
+				/* we are now tracking register spills correctly,
+				 * so any instance of leftover slots is a bug
+				 */
+				if (bt_stack_mask(bt) != 0) {
+					verbose(env, "BUG stack slots %llx\n", bt_stack_mask(bt));
+					WARN_ONCE(1, "verifier backtracking bug (subprog leftover stack slots)");
+					return -EFAULT;
+				}
 				/* propagate r1-r5 to the caller */
 				for (i = BPF_REG_1; i <= BPF_REG_5; i++) {
 					if (bt_is_reg_set(bt, i)) {
@@ -3848,8 +3904,11 @@ static int backtrack_insn(struct bpf_verifier_env *env, int idx, int subseq_idx,
 				WARN_ONCE(1, "verifier backtracking bug");
 				return -EFAULT;
 			}
-			if (bt_stack_mask(bt) != 0)
-				return -ENOTSUPP;
+			if (bt_stack_mask(bt) != 0) {
+				verbose(env, "BUG stack slots %llx\n", bt_stack_mask(bt));
+				WARN_ONCE(1, "verifier backtracking bug (callback leftover stack slots)");
+				return -EFAULT;
+			}
 			/* clear r1-r5 in callback subprog's mask */
 			for (i = BPF_REG_1; i <= BPF_REG_5; i++)
 				bt_clear_reg(bt, i);
@@ -4286,6 +4345,7 @@ static int __mark_chain_precision(struct bpf_verifier_env *env, int regno)
 	for (;;) {
 		DECLARE_BITMAP(mask, 64);
 		u32 history = st->jmp_history_cnt;
+		struct bpf_jmp_history_entry *hist;
 
 		if (env->log.level & BPF_LOG_LEVEL2) {
 			verbose(env, "mark_precise: frame%d: last_idx %d first_idx %d subseq_idx %d \n",
@@ -4349,7 +4409,8 @@ static int __mark_chain_precision(struct bpf_verifier_env *env, int regno)
 				err = 0;
 				skip_first = false;
 			} else {
-				err = backtrack_insn(env, i, subseq_idx, bt);
+				hist = get_jmp_hist_entry(st, history, i);
+				err = backtrack_insn(env, i, subseq_idx, hist, bt);
 			}
 			if (err == -ENOTSUPP) {
 				mark_all_scalars_precise(env, env->cur_state);
@@ -4402,22 +4463,10 @@ static int __mark_chain_precision(struct bpf_verifier_env *env, int regno)
 			bitmap_from_u64(mask, bt_frame_stack_mask(bt, fr));
 			for_each_set_bit(i, mask, 64) {
 				if (i >= func->allocated_stack / BPF_REG_SIZE) {
-					/* the sequence of instructions:
-					 * 2: (bf) r3 = r10
-					 * 3: (7b) *(u64 *)(r3 -8) = r0
-					 * 4: (79) r4 = *(u64 *)(r10 -8)
-					 * doesn't contain jmps. It's backtracked
-					 * as a single block.
-					 * During backtracking insn 3 is not recognized as
-					 * stack access, so at the end of backtracking
-					 * stack slot fp-8 is still marked in stack_mask.
-					 * However the parent state may not have accessed
-					 * fp-8 and it's "unallocated" stack space.
-					 * In such case fallback to conservative.
-					 */
-					mark_all_scalars_precise(env, env->cur_state);
-					bt_reset(bt);
-					return 0;
+					verbose(env, "BUG backtracking (stack slot %d, total slots %d)\n",
+						i, func->allocated_stack / BPF_REG_SIZE);
+					WARN_ONCE(1, "verifier backtracking bug (stack slot out of bounds)");
+					return -EFAULT;
 				}
 
 				if (!is_spilled_scalar_reg(&func->stack[i])) {
@@ -4546,7 +4595,8 @@ static void copy_register_state(struct bpf_reg_state *dst, const struct bpf_reg_
 	dst->live = live;
 }
 
-static void save_register_state(struct bpf_func_state *state,
+static void save_register_state(struct bpf_verifier_env *env,
+				struct bpf_func_state *state,
 				int spi, struct bpf_reg_state *reg,
 				int size)
 {
@@ -4561,7 +4611,7 @@ static void save_register_state(struct bpf_func_state *state,
 
 	/* size < 8 bytes spill */
 	for (; i; i--)
-		scrub_spilled_slot(&state->stack[spi].slot_type[i - 1]);
+		mark_stack_slot_misc(env, &state->stack[spi].slot_type[i - 1]);
 }
 
 static bool is_bpf_st_mem(struct bpf_insn *insn)
@@ -4582,7 +4632,7 @@ static int check_stack_write_fixed_off(struct bpf_verifier_env *env,
 	int i, slot = -off - 1, spi = slot / BPF_REG_SIZE, err;
 	struct bpf_insn *insn = &env->prog->insnsi[insn_idx];
 	struct bpf_reg_state *reg = NULL;
-	u32 dst_reg = insn->dst_reg;
+	int insn_flags = insn_stack_access_flags(state->frameno, spi);
 
 	/* caller checked that off % size == 0 and -MAX_BPF_STACK <= off < 0,
 	 * so it's aligned access and [off, off + size) are within stack limits
@@ -4619,20 +4669,8 @@ static int check_stack_write_fixed_off(struct bpf_verifier_env *env,
 		return err;
 
 	mark_stack_slot_scratched(env, spi);
-	if (reg && !(off % BPF_REG_SIZE) && register_is_bounded(reg) &&
-	    !register_is_null(reg) && env->bpf_capable) {
-		if (dst_reg != BPF_REG_FP) {
-			/* The backtracking logic can only recognize explicit
-			 * stack slot address like [fp - 8]. Other spill of
-			 * scalar via different register has to be conservative.
-			 * Backtrack from here and mark all registers as precise
-			 * that contributed into 'reg' being a constant.
-			 */
-			err = mark_chain_precision(env, value_regno);
-			if (err)
-				return err;
-		}
-		save_register_state(state, spi, reg, size);
+	if (reg && !(off % BPF_REG_SIZE) && register_is_bounded(reg) && env->bpf_capable) {
+		save_register_state(env, state, spi, reg, size);
 		/* Break the relation on a narrowing spill. */
 		if (fls64(reg->umax_value) > BITS_PER_BYTE * size)
 			state->stack[spi].spilled_ptr.id = 0;
@@ -4642,7 +4680,7 @@ static int check_stack_write_fixed_off(struct bpf_verifier_env *env,
 
 		__mark_reg_known(&fake_reg, insn->imm);
 		fake_reg.type = SCALAR_VALUE;
-		save_register_state(state, spi, &fake_reg, size);
+		save_register_state(env, state, spi, &fake_reg, size);
 	} else if (reg && is_spillable_regtype(reg->type)) {
 		/* register containing pointer is being spilled into stack */
 		if (size != BPF_REG_SIZE) {
@@ -4654,7 +4692,7 @@ static int check_stack_write_fixed_off(struct bpf_verifier_env *env,
 			verbose(env, "cannot spill pointers to stack into stack frame of the caller\n");
 			return -EINVAL;
 		}
-		save_register_state(state, spi, reg, size);
+		save_register_state(env, state, spi, reg, size);
 	} else {
 		u8 type = STACK_MISC;
 
@@ -4679,7 +4717,12 @@ static int check_stack_write_fixed_off(struct bpf_verifier_env *env,
 		/* when we zero initialize stack slots mark them as such */
 		if ((reg && register_is_null(reg)) ||
 		    (!reg && is_bpf_st_mem(insn) && insn->imm == 0)) {
-			/* backtracking doesn't work for STACK_ZERO yet. */
+			/* STACK_ZERO case happened because register spill
+			 * wasn't properly aligned at the stack slot boundary,
+			 * so it's not a register spill anymore; force
+			 * originating register to be precise to make
+			 * STACK_ZERO correct for subsequent states
+			 */
 			err = mark_chain_precision(env, value_regno);
 			if (err)
 				return err;
@@ -4688,9 +4731,12 @@ static int check_stack_write_fixed_off(struct bpf_verifier_env *env,
 
 		/* Mark slots affected by this stack write. */
 		for (i = 0; i < size; i++)
-			state->stack[spi].slot_type[(slot - i) % BPF_REG_SIZE] =
-				type;
+			state->stack[spi].slot_type[(slot - i) % BPF_REG_SIZE] = type;
+		insn_flags = 0; /* not a register spill */
 	}
+
+	if (insn_flags)
+		return push_jmp_history(env, env->cur_state, insn_flags);
 	return 0;
 }
 
@@ -4879,6 +4925,7 @@ static int check_stack_read_fixed_off(struct bpf_verifier_env *env,
 	int i, slot = -off - 1, spi = slot / BPF_REG_SIZE;
 	struct bpf_reg_state *reg;
 	u8 *stype, type;
+	int insn_flags = insn_stack_access_flags(reg_state->frameno, spi);
 
 	stype = reg_state->stack[spi].slot_type;
 	reg = &reg_state->stack[spi].spilled_ptr;
@@ -4911,25 +4958,42 @@ static int check_stack_read_fixed_off(struct bpf_verifier_env *env,
 				copy_register_state(&state->regs[dst_regno], reg);
 				state->regs[dst_regno].subreg_def = subreg_def;
 			} else {
+				int spill_cnt = 0, zero_cnt = 0;
+
 				for (i = 0; i < size; i++) {
 					type = stype[(slot - i) % BPF_REG_SIZE];
-					if (type == STACK_SPILL)
+					if (type == STACK_SPILL) {
+						spill_cnt++;
 						continue;
+					}
 					if (type == STACK_MISC)
 						continue;
+					if (type == STACK_ZERO) {
+						zero_cnt++;
+						continue;
+					}
 					if (type == STACK_INVALID && env->allow_uninit_stack)
 						continue;
 					verbose(env, "invalid read from stack off %d+%d size %d\n",
 						off, i, size);
 					return -EACCES;
 				}
-				mark_reg_unknown(env, state->regs, dst_regno);
+
+				if (spill_cnt == size &&
+				    tnum_is_const(reg->var_off) && reg->var_off.value == 0) {
+					__mark_reg_const_zero(&state->regs[dst_regno]);
+					/* this IS register fill, so keep insn_flags */
+				} else if (zero_cnt == size) {
+					/* similarly to mark_reg_stack_read(), preserve zeroes */
+					__mark_reg_const_zero(&state->regs[dst_regno]);
+					insn_flags = 0; /* not restoring original register state */
+				} else {
+					mark_reg_unknown(env, state->regs, dst_regno);
+					insn_flags = 0; /* not restoring original register state */
+				}
 			}
 			state->regs[dst_regno].live |= REG_LIVE_WRITTEN;
-			return 0;
-		}
-
-		if (dst_regno >= 0) {
+		} else if (dst_regno >= 0) {
 			/* restore register state from stack */
 			copy_register_state(&state->regs[dst_regno], reg);
 			/* mark reg as written since spilled pointer state likely
@@ -4965,7 +5029,10 @@ static int check_stack_read_fixed_off(struct bpf_verifier_env *env,
 		mark_reg_read(env, reg, reg->parent, REG_LIVE_READ64);
 		if (dst_regno >= 0)
 			mark_reg_stack_read(env, reg_state, off, off + size, dst_regno);
+		insn_flags = 0; /* we are not restoring spilled register */
 	}
+	if (insn_flags)
+		return push_jmp_history(env, env->cur_state, insn_flags);
 	return 0;
 }
 
@@ -7050,7 +7117,6 @@ static int check_atomic(struct bpf_verifier_env *env, int insn_idx, struct bpf_i
 			       BPF_SIZE(insn->code), BPF_WRITE, -1, true, false);
 	if (err)
 		return err;
-
 	return 0;
 }
 
@@ -16845,7 +16911,8 @@ static int is_state_visited(struct bpf_verifier_env *env, int insn_idx)
 			 * the precision needs to be propagated back in
 			 * the current state.
 			 */
-			err = err ? : push_jmp_history(env, cur);
+			if (is_jmp_point(env, env->insn_idx))
+				err = err ? : push_jmp_history(env, cur, 0);
 			err = err ? : propagate_precision(env, &sl->state);
 			if (err)
 				return err;
@@ -17069,6 +17136,9 @@ static int do_check(struct bpf_verifier_env *env)
 		u8 class;
 		int err;
 
+		/* reset current history entry on each new instruction */
+		env->cur_hist_ent = NULL;
+
 		env->prev_insn_idx = prev_insn_idx;
 		if (env->insn_idx >= insn_cnt) {
 			verbose(env, "invalid insn idx %d insn_cnt %d\n",
@@ -17108,7 +17178,7 @@ static int do_check(struct bpf_verifier_env *env)
 		}
 
 		if (is_jmp_point(env, env->insn_idx)) {
-			err = push_jmp_history(env, state);
+			err = push_jmp_history(env, state, 0);
 			if (err)
 				return err;
 		}
diff --git a/kernel/exit.c b/kernel/exit.c
index 686bbe72bb41..5ebe01e8f37e 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -430,7 +430,7 @@ static void coredump_task_exit(struct task_struct *tsk)
 			complete(&core_state->startup);
 
 		for (;;) {
-			set_current_state(TASK_UNINTERRUPTIBLE|TASK_FREEZABLE);
+			set_current_state(TASK_IDLE|TASK_FREEZABLE);
 			if (!self.task) /* see coredump_finish() */
 				break;
 			schedule();
@@ -981,6 +981,7 @@ void __noreturn make_task_dead(int signr)
 		futex_exit_recursive(tsk);
 		tsk->exit_state = EXIT_DEAD;
 		refcount_inc(&tsk->rcu_users);
+		preempt_disable();
 		do_task_dead();
 	}
 
diff --git a/kernel/fork.c b/kernel/fork.c
index 5b60692b1a4e..c65a70581af7 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -93,6 +93,7 @@
 #include <linux/thread_info.h>
 #include <linux/stackleak.h>
 #include <linux/kasan.h>
+#include <linux/randomize_kstack.h>
 #include <linux/scs.h>
 #include <linux/io_uring.h>
 #include <linux/bpf.h>
@@ -2517,6 +2518,7 @@ __latent_entropy struct task_struct *copy_process(
 	if (retval)
 		goto bad_fork_cleanup_io;
 
+	random_kstack_task_init(p);
 	stackleak_task_init(p);
 
 	if (pid != &init_struct_pid) {
diff --git a/kernel/locking/rtmutex.c b/kernel/locking/rtmutex.c
index bf3a28ee7d8f..def1f8fbc85c 100644
--- a/kernel/locking/rtmutex.c
+++ b/kernel/locking/rtmutex.c
@@ -1511,20 +1511,23 @@ static bool rtmutex_spin_on_owner(struct rt_mutex_base *lock,
  *
  * Must be called with lock->wait_lock held and interrupts disabled. It must
  * have just failed to try_to_take_rt_mutex().
+ *
+ * When invoked from rt_mutex_start_proxy_lock() waiter::task != current !
  */
 static void __sched remove_waiter(struct rt_mutex_base *lock,
 				  struct rt_mutex_waiter *waiter)
 {
 	bool is_top_waiter = (waiter == rt_mutex_top_waiter(lock));
 	struct task_struct *owner = rt_mutex_owner(lock);
+	struct task_struct *waiter_task = waiter->task;
 	struct rt_mutex_base *next_lock;
 
 	lockdep_assert_held(&lock->wait_lock);
 
-	raw_spin_lock(&current->pi_lock);
-	rt_mutex_dequeue(lock, waiter);
-	current->pi_blocked_on = NULL;
-	raw_spin_unlock(&current->pi_lock);
+	scoped_guard(raw_spinlock, &waiter_task->pi_lock) {
+		rt_mutex_dequeue(lock, waiter);
+		waiter_task->pi_blocked_on = NULL;
+	}
 
 	/*
 	 * Only update priority if the waiter was the highest priority
@@ -1560,7 +1563,7 @@ static void __sched remove_waiter(struct rt_mutex_base *lock,
 	raw_spin_unlock_irq(&lock->wait_lock);
 
 	rt_mutex_adjust_prio_chain(owner, RT_MUTEX_MIN_CHAINWALK, lock,
-				   next_lock, NULL, current);
+				   next_lock, NULL, waiter_task);
 
 	raw_spin_lock_irq(&lock->wait_lock);
 }
diff --git a/kernel/padata.c b/kernel/padata.c
index 9260ab0b39eb..44ea75bfd868 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -261,20 +261,17 @@ 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);
 
@@ -282,101 +279,52 @@ 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)
@@ -427,6 +375,7 @@ 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. */
@@ -436,17 +385,14 @@ 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);
 
@@ -633,9 +579,7 @@ 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;
 
@@ -1145,12 +1089,6 @@ 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/regset.c b/kernel/regset.c
index 586823786f39..b2871fa68b2a 100644
--- a/kernel/regset.c
+++ b/kernel/regset.c
@@ -16,14 +16,14 @@ static int __regset_get(struct task_struct *target,
 	if (size > regset->n * regset->size)
 		size = regset->n * regset->size;
 	if (!p) {
-		to_free = p = kzalloc(size, GFP_KERNEL);
+		to_free = p = kvzalloc(size, GFP_KERNEL);
 		if (!p)
 			return -ENOMEM;
 	}
 	res = regset->regset_get(target, regset,
 			   (struct membuf){.p = p, .left = size});
 	if (res < 0) {
-		kfree(to_free);
+		kvfree(to_free);
 		return res;
 	}
 	*data = p;
@@ -71,6 +71,6 @@ int copy_regset_to_user(struct task_struct *target,
 	ret = regset_get_alloc(target, regset, size, &buf);
 	if (ret > 0)
 		ret = copy_to_user(data, buf, ret) ? -EFAULT : 0;
-	kfree(buf);
+	kvfree(buf);
 	return ret;
 }
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index c4a9797e9eff..d558e43aedcf 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -4823,7 +4823,7 @@ void sched_post_fork(struct task_struct *p)
 	uclamp_post_fork(p);
 }
 
-unsigned long to_ratio(u64 period, u64 runtime)
+u64 to_ratio(u64 period, u64 runtime)
 {
 	if (runtime == RUNTIME_INF)
 		return BW_UNIT;
diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c
index 0b420a65b31d..46d2250b7235 100644
--- a/kernel/sched/rt.c
+++ b/kernel/sched/rt.c
@@ -2776,7 +2776,7 @@ static int tg_rt_schedulable(struct task_group *tg, void *data)
 {
 	struct rt_schedulable_data *d = data;
 	struct task_group *child;
-	unsigned long total, sum = 0;
+	u64 total, sum = 0;
 	u64 period, runtime;
 
 	period = ktime_to_ns(tg->rt_bandwidth.rt_period);
diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h
index e1913e253221..65ff0254659a 100644
--- a/kernel/sched/sched.h
+++ b/kernel/sched/sched.h
@@ -2463,7 +2463,7 @@ extern void init_dl_entity(struct sched_dl_entity *dl_se);
 #define RATIO_SHIFT		8
 #define MAX_BW_BITS		(64 - BW_SHIFT)
 #define MAX_BW			((1ULL << MAX_BW_BITS) - 1)
-unsigned long to_ratio(u64 period, u64 runtime);
+u64 to_ratio(u64 period, u64 runtime);
 
 extern void init_entity_runnable_average(struct sched_entity *se);
 extern void post_init_entity_util_avg(struct task_struct *p);
diff --git a/kernel/taskstats.c b/kernel/taskstats.c
index 8ce3fa0c19e2..a16392b1bdc1 100644
--- a/kernel/taskstats.c
+++ b/kernel/taskstats.c
@@ -656,6 +656,7 @@ 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/trace_probe.c b/kernel/trace/trace_probe.c
index d46a1033ba5b..dee9494ed189 100644
--- a/kernel/trace/trace_probe.c
+++ b/kernel/trace/trace_probe.c
@@ -1366,6 +1366,12 @@ static int traceprobe_parse_probe_arg_body(const char *argv, ssize_t *size,
 	parg->offset = *size;
 	*size += parg->type->size * (parg->count ?: 1);
 
+	if (*size > MAX_PROBE_EVENT_SIZE) {
+		ret = -E2BIG;
+		trace_probe_log_err(ctx->offset, EVENT_TOO_BIG);
+		goto fail;
+	}
+
 	if (parg->count) {
 		len = strlen(parg->type->fmttype) + 6;
 		parg->fmt = kmalloc(len, GFP_KERNEL);
diff --git a/kernel/trace/trace_probe.h b/kernel/trace/trace_probe.h
index c71fa9c2f381..ce5a0935cd45 100644
--- a/kernel/trace/trace_probe.h
+++ b/kernel/trace/trace_probe.h
@@ -35,6 +35,7 @@
 #define MAX_ARG_NAME_LEN	32
 #define MAX_BTF_ARGS_LEN	128
 #define MAX_STRING_SIZE		PATH_MAX
+#define MAX_PROBE_EVENT_SIZE	3072
 
 /* Reserved field names */
 #define FIELD_STRING_IP		"__probe_ip"
@@ -546,7 +547,8 @@ extern int traceprobe_define_arg_fields(struct trace_event_call *event_call,
 	C(NO_BTF_FIELD,		"This field is not found."),	\
 	C(BAD_BTF_TID,		"Failed to get BTF type info."),\
 	C(BAD_TYPE4STR,		"This type does not fit for string."),\
-	C(NEED_STRING_TYPE,	"$comm and immediate-string only accepts string type"),
+	C(NEED_STRING_TYPE,	"$comm and immediate-string only accepts string type"),\
+	C(EVENT_TOO_BIG,	"Event too big (too many fields?)"),
 
 #undef C
 #define C(a, b)		TP_ERR_##a
diff --git a/kernel/tracepoint.c b/kernel/tracepoint.c
index 8d1507dd0724..f7a4210d5d5e 100644
--- a/kernel/tracepoint.c
+++ b/kernel/tracepoint.c
@@ -337,6 +337,8 @@ static int tracepoint_add_func(struct tracepoint *tp,
 			lockdep_is_held(&tracepoints_mutex));
 	old = func_add(&tp_funcs, func, prio);
 	if (IS_ERR(old)) {
+		if (tp->unregfunc && !static_key_enabled(&tp->key))
+			tp->unregfunc();
 		WARN_ON_ONCE(warn && PTR_ERR(old) != -ENOMEM);
 		return PTR_ERR(old);
 	}
diff --git a/lib/crypto/mpi/mpicoder.c b/lib/crypto/mpi/mpicoder.c
index 3cb6bd148fa9..b6efe618e614 100644
--- a/lib/crypto/mpi/mpicoder.c
+++ b/lib/crypto/mpi/mpicoder.c
@@ -453,7 +453,7 @@ MPI mpi_read_raw_from_sgl(struct scatterlist *sgl, unsigned int nbytes)
 	lzeros = 0;
 	len = 0;
 	while (nbytes > 0) {
-		while (len && !*buff) {
+		while (len && !*buff && lzeros < nbytes) {
 			lzeros++;
 			len--;
 			buff++;
diff --git a/lib/scatterlist.c b/lib/scatterlist.c
index 7bc2220fea80..398014d6626c 100644
--- a/lib/scatterlist.c
+++ b/lib/scatterlist.c
@@ -1117,8 +1117,7 @@ static ssize_t extract_user_to_sg(struct iov_iter *iter,
 	size_t len, off;
 
 	/* We decant the page list into the tail of the scatterlist */
-	pages = (void *)sgtable->sgl +
-		array_size(sg_max, sizeof(struct scatterlist));
+	pages = (void *)sg + array_size(sg_max, sizeof(struct scatterlist));
 	pages -= sg_max;
 
 	do {
@@ -1241,7 +1240,7 @@ static ssize_t extract_kvec_to_sg(struct iov_iter *iter,
 			else
 				page = virt_to_page((void *)kaddr);
 
-			sg_set_page(sg, page, len, off);
+			sg_set_page(sg, page, seg, off);
 			sgtable->nents++;
 			sg++;
 			sg_max--;
@@ -1250,6 +1249,7 @@ static ssize_t extract_kvec_to_sg(struct iov_iter *iter,
 			kaddr += PAGE_SIZE;
 			off = 0;
 		} while (len > 0 && sg_max > 0);
+		ret -= len;
 
 		if (maxsize <= 0 || sg_max == 0)
 			break;
@@ -1342,7 +1342,7 @@ ssize_t extract_iter_to_sg(struct iov_iter *iter, size_t maxsize,
 			   struct sg_table *sgtable, unsigned int sg_max,
 			   iov_iter_extraction_t extraction_flags)
 {
-	if (maxsize == 0)
+	if (maxsize == 0 || sg_max == 0)
 		return 0;
 
 	switch (iov_iter_type(iter)) {
diff --git a/lib/test_hmm.c b/lib/test_hmm.c
index b823ba7cb6a1..cb50065e37a3 100644
--- a/lib/test_hmm.c
+++ b/lib/test_hmm.c
@@ -183,11 +183,60 @@ static int dmirror_fops_open(struct inode *inode, struct file *filp)
 	return 0;
 }
 
+static void dmirror_device_evict_chunk(struct dmirror_chunk *chunk)
+{
+	unsigned long start_pfn = chunk->pagemap.range.start >> PAGE_SHIFT;
+	unsigned long end_pfn = chunk->pagemap.range.end >> PAGE_SHIFT;
+	unsigned long npages = end_pfn - start_pfn + 1;
+	unsigned long i;
+	unsigned long *src_pfns;
+	unsigned long *dst_pfns;
+
+	src_pfns = kvcalloc(npages, sizeof(*src_pfns), GFP_KERNEL | __GFP_NOFAIL);
+	dst_pfns = kvcalloc(npages, sizeof(*dst_pfns), GFP_KERNEL | __GFP_NOFAIL);
+
+	migrate_device_range(src_pfns, start_pfn, npages);
+	for (i = 0; i < npages; i++) {
+		struct page *dpage, *spage;
+
+		spage = migrate_pfn_to_page(src_pfns[i]);
+		if (!spage || !(src_pfns[i] & MIGRATE_PFN_MIGRATE))
+			continue;
+
+		if (WARN_ON(!is_device_private_page(spage) &&
+			    !is_device_coherent_page(spage)))
+			continue;
+		spage = BACKING_PAGE(spage);
+		dpage = alloc_page(GFP_HIGHUSER_MOVABLE | __GFP_NOFAIL);
+		lock_page(dpage);
+		copy_highpage(dpage, spage);
+		dst_pfns[i] = migrate_pfn(page_to_pfn(dpage));
+		if (src_pfns[i] & MIGRATE_PFN_WRITE)
+			dst_pfns[i] |= MIGRATE_PFN_WRITE;
+	}
+	migrate_device_pages(src_pfns, dst_pfns, npages);
+	migrate_device_finalize(src_pfns, dst_pfns, npages);
+	kvfree(src_pfns);
+	kvfree(dst_pfns);
+}
+
 static int dmirror_fops_release(struct inode *inode, struct file *filp)
 {
 	struct dmirror *dmirror = filp->private_data;
+	struct dmirror_device *mdevice = dmirror->mdevice;
+	int i;
 
 	mmu_interval_notifier_remove(&dmirror->notifier);
+
+	if (mdevice->devmem_chunks) {
+		for (i = 0; i < mdevice->devmem_count; i++) {
+			struct dmirror_chunk *devmem =
+				mdevice->devmem_chunks[i];
+
+			dmirror_device_evict_chunk(devmem);
+		}
+	}
+
 	xa_destroy(&dmirror->pt);
 	kfree(dmirror);
 	return 0;
@@ -1217,43 +1266,6 @@ static int dmirror_snapshot(struct dmirror *dmirror,
 	return ret;
 }
 
-static void dmirror_device_evict_chunk(struct dmirror_chunk *chunk)
-{
-	unsigned long start_pfn = chunk->pagemap.range.start >> PAGE_SHIFT;
-	unsigned long end_pfn = chunk->pagemap.range.end >> PAGE_SHIFT;
-	unsigned long npages = end_pfn - start_pfn + 1;
-	unsigned long i;
-	unsigned long *src_pfns;
-	unsigned long *dst_pfns;
-
-	src_pfns = kvcalloc(npages, sizeof(*src_pfns), GFP_KERNEL | __GFP_NOFAIL);
-	dst_pfns = kvcalloc(npages, sizeof(*dst_pfns), GFP_KERNEL | __GFP_NOFAIL);
-
-	migrate_device_range(src_pfns, start_pfn, npages);
-	for (i = 0; i < npages; i++) {
-		struct page *dpage, *spage;
-
-		spage = migrate_pfn_to_page(src_pfns[i]);
-		if (!spage || !(src_pfns[i] & MIGRATE_PFN_MIGRATE))
-			continue;
-
-		if (WARN_ON(!is_device_private_page(spage) &&
-			    !is_device_coherent_page(spage)))
-			continue;
-		spage = BACKING_PAGE(spage);
-		dpage = alloc_page(GFP_HIGHUSER_MOVABLE | __GFP_NOFAIL);
-		lock_page(dpage);
-		copy_highpage(dpage, spage);
-		dst_pfns[i] = migrate_pfn(page_to_pfn(dpage));
-		if (src_pfns[i] & MIGRATE_PFN_WRITE)
-			dst_pfns[i] |= MIGRATE_PFN_WRITE;
-	}
-	migrate_device_pages(src_pfns, dst_pfns, npages);
-	migrate_device_finalize(src_pfns, dst_pfns, npages);
-	kvfree(src_pfns);
-	kvfree(dst_pfns);
-}
-
 /* Removes free pages from the free list so they can't be re-allocated */
 static void dmirror_remove_free_pages(struct dmirror_chunk *devmem)
 {
diff --git a/lib/ts_kmp.c b/lib/ts_kmp.c
index c77a3d537f24..ed13eb0fcd72 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/damon/core.c b/mm/damon/core.c
index 48747236c21c..8e5e3bb835d1 100644
--- a/mm/damon/core.c
+++ b/mm/damon/core.c
@@ -762,6 +762,39 @@ int damon_stop(struct damon_ctx **ctxs, int nr_ctxs)
 	return err;
 }
 
+/**
+ * damon_is_running() - Returns if a given DAMON context is running.
+ * @ctx:	The DAMON context to see if running.
+ *
+ * Return: true if @ctx is running, false otherwise.
+ */
+bool damon_is_running(struct damon_ctx *ctx)
+{
+	bool running;
+
+	mutex_lock(&ctx->kdamond_lock);
+	running = ctx->kdamond != NULL;
+	mutex_unlock(&ctx->kdamond_lock);
+	return running;
+}
+
+/**
+ * damon_kdamond_pid() - Return pid of a given DAMON context's worker thread.
+ * @ctx:	The DAMON context of the question.
+ *
+ * Return: pid if @ctx is running, negative error code otherwise.
+ */
+int damon_kdamond_pid(struct damon_ctx *ctx)
+{
+	int pid = -EINVAL;
+
+	mutex_lock(&ctx->kdamond_lock);
+	if (ctx->kdamond)
+		pid = ctx->kdamond->pid;
+	mutex_unlock(&ctx->kdamond_lock);
+	return pid;
+}
+
 /*
  * Reset the aggregated monitoring results ('nr_accesses' of each region).
  */
@@ -1026,6 +1059,7 @@ static void damos_set_effective_quota(struct damos_quota *quota)
 	else
 		throughput = PAGE_SIZE * 1024;
 	esz = throughput * quota->ms;
+	esz = max(DAMON_MIN_REGION, esz);
 
 	if (quota->sz && quota->sz < esz)
 		esz = quota->sz;
@@ -1048,7 +1082,8 @@ static void damos_adjust_quota(struct damon_ctx *c, struct damos *s)
 		quota->charged_from = jiffies;
 
 	/* New charge window starts */
-	if (time_after_eq(jiffies, quota->charged_from +
+	if (!time_in_range_open(jiffies, quota->charged_from,
+				quota->charged_from +
 				msecs_to_jiffies(quota->reset_interval))) {
 		if (quota->esz && quota->charged_sz >= quota->esz)
 			s->stat.qt_exceeds++;
diff --git a/mm/damon/lru_sort.c b/mm/damon/lru_sort.c
index b4032538b22c..6797bb24a307 100644
--- a/mm/damon/lru_sort.c
+++ b/mm/damon/lru_sort.c
@@ -111,15 +111,6 @@ module_param(monitor_region_start, ulong, 0600);
 static unsigned long monitor_region_end __read_mostly;
 module_param(monitor_region_end, ulong, 0600);
 
-/*
- * PID of the DAMON thread
- *
- * If DAMON_LRU_SORT is enabled, this becomes the PID of the worker thread.
- * Else, -1.
- */
-static int kdamond_pid __read_mostly = -1;
-module_param(kdamond_pid, int, 0400);
-
 static struct damos_stat damon_lru_sort_hot_stat;
 DEFINE_DAMON_MODULES_DAMOS_STATS_PARAMS(damon_lru_sort_hot_stat,
 		lru_sort_tried_hot_regions, lru_sorted_hot_regions,
@@ -249,60 +240,93 @@ static int damon_lru_sort_turn(bool on)
 {
 	int err;
 
-	if (!on) {
-		err = damon_stop(&ctx, 1);
-		if (!err)
-			kdamond_pid = -1;
-		return err;
-	}
+	if (!on)
+		return damon_stop(&ctx, 1);
 
 	err = damon_lru_sort_apply_parameters();
 	if (err)
 		return err;
 
-	err = damon_start(&ctx, 1, true);
-	if (err)
-		return err;
-	kdamond_pid = ctx->kdamond->pid;
-	return 0;
+	return damon_start(&ctx, 1, true);
+}
+
+static bool damon_lru_sort_enabled(void)
+{
+	if (!ctx)
+		return false;
+	return damon_is_running(ctx);
 }
 
 static int damon_lru_sort_enabled_store(const char *val,
 		const struct kernel_param *kp)
 {
-	bool is_enabled = enabled;
-	bool enable;
 	int err;
 
-	err = kstrtobool(val, &enable);
+	err = kstrtobool(val, &enabled);
 	if (err)
 		return err;
 
-	if (is_enabled == enable)
+	if (damon_lru_sort_enabled() == enabled)
 		return 0;
 
 	/* Called before init function.  The function will handle this. */
 	if (!ctx)
-		goto set_param_out;
+		return 0;
 
-	err = damon_lru_sort_turn(enable);
-	if (err)
-		return err;
+	return damon_lru_sort_turn(enabled);
+}
 
-set_param_out:
-	enabled = enable;
-	return err;
+static int damon_lru_sort_enabled_load(char *buffer,
+		const struct kernel_param *kp)
+{
+	return sprintf(buffer, "%c\n", damon_lru_sort_enabled() ? 'Y' : 'N');
 }
 
 static const struct kernel_param_ops enabled_param_ops = {
 	.set = damon_lru_sort_enabled_store,
-	.get = param_get_bool,
+	.get = damon_lru_sort_enabled_load,
 };
 
 module_param_cb(enabled, &enabled_param_ops, &enabled, 0600);
 MODULE_PARM_DESC(enabled,
 	"Enable or disable DAMON_LRU_SORT (default: disabled)");
 
+static int damon_lru_sort_kdamond_pid_store(const char *val,
+		const struct kernel_param *kp)
+{
+	/*
+	 * kdamond_pid is read-only, but kernel command line could write it.
+	 * Do nothing here.
+	 */
+	return 0;
+}
+
+static int damon_lru_sort_kdamond_pid_load(char *buffer,
+		const struct kernel_param *kp)
+{
+	int kdamond_pid = -1;
+
+	if (ctx) {
+		kdamond_pid = damon_kdamond_pid(ctx);
+		if (kdamond_pid < 0)
+			kdamond_pid = -1;
+	}
+	return sprintf(buffer, "%d\n", kdamond_pid);
+}
+
+static const struct kernel_param_ops kdamond_pid_param_ops = {
+	.set = damon_lru_sort_kdamond_pid_store,
+	.get = damon_lru_sort_kdamond_pid_load,
+};
+
+/*
+ * PID of the DAMON thread
+ *
+ * If DAMON_LRU_SORT is enabled, this becomes the PID of the worker thread.
+ * Else, -1.
+ */
+module_param_cb(kdamond_pid, &kdamond_pid_param_ops, NULL, 0400);
+
 static int damon_lru_sort_handle_commit_inputs(void)
 {
 	int err;
diff --git a/mm/damon/reclaim.c b/mm/damon/reclaim.c
index 586daa2cefe4..e264f202714e 100644
--- a/mm/damon/reclaim.c
+++ b/mm/damon/reclaim.c
@@ -107,15 +107,6 @@ module_param(monitor_region_end, ulong, 0600);
 static bool skip_anon __read_mostly;
 module_param(skip_anon, bool, 0600);
 
-/*
- * PID of the DAMON thread
- *
- * If DAMON_RECLAIM is enabled, this becomes the PID of the worker thread.
- * Else, -1.
- */
-static int kdamond_pid __read_mostly = -1;
-module_param(kdamond_pid, int, 0400);
-
 static struct damos_stat damon_reclaim_stat;
 DEFINE_DAMON_MODULES_DAMOS_STATS_PARAMS(damon_reclaim_stat,
 		reclaim_tried_regions, reclaimed_regions, quota_exceeds);
@@ -203,60 +194,93 @@ static int damon_reclaim_turn(bool on)
 {
 	int err;
 
-	if (!on) {
-		err = damon_stop(&ctx, 1);
-		if (!err)
-			kdamond_pid = -1;
-		return err;
-	}
+	if (!on)
+		return damon_stop(&ctx, 1);
 
 	err = damon_reclaim_apply_parameters();
 	if (err)
 		return err;
 
-	err = damon_start(&ctx, 1, true);
-	if (err)
-		return err;
-	kdamond_pid = ctx->kdamond->pid;
-	return 0;
+	return damon_start(&ctx, 1, true);
+}
+
+static bool damon_reclaim_enabled(void)
+{
+	if (!ctx)
+		return false;
+	return damon_is_running(ctx);
 }
 
 static int damon_reclaim_enabled_store(const char *val,
 		const struct kernel_param *kp)
 {
-	bool is_enabled = enabled;
-	bool enable;
 	int err;
 
-	err = kstrtobool(val, &enable);
+	err = kstrtobool(val, &enabled);
 	if (err)
 		return err;
 
-	if (is_enabled == enable)
+	if (damon_reclaim_enabled() == enabled)
 		return 0;
 
 	/* Called before init function.  The function will handle this. */
 	if (!ctx)
-		goto set_param_out;
+		return 0;
 
-	err = damon_reclaim_turn(enable);
-	if (err)
-		return err;
+	return damon_reclaim_turn(enabled);
+}
 
-set_param_out:
-	enabled = enable;
-	return err;
+static int damon_reclaim_enabled_load(char *buffer,
+		const struct kernel_param *kp)
+{
+	return sprintf(buffer, "%c\n", damon_reclaim_enabled() ? 'Y' : 'N');
 }
 
 static const struct kernel_param_ops enabled_param_ops = {
 	.set = damon_reclaim_enabled_store,
-	.get = param_get_bool,
+	.get = damon_reclaim_enabled_load,
 };
 
 module_param_cb(enabled, &enabled_param_ops, &enabled, 0600);
 MODULE_PARM_DESC(enabled,
 	"Enable or disable DAMON_RECLAIM (default: disabled)");
 
+static int damon_reclaim_kdamond_pid_store(const char *val,
+		const struct kernel_param *kp)
+{
+	/*
+	 * kdamond_pid is read-only, but kernel command line could write it.
+	 * Do nothing here.
+	 */
+	return 0;
+}
+
+static int damon_reclaim_kdamond_pid_load(char *buffer,
+		const struct kernel_param *kp)
+{
+	int kdamond_pid = -1;
+
+	if (ctx) {
+		kdamond_pid = damon_kdamond_pid(ctx);
+		if (kdamond_pid < 0)
+			kdamond_pid = -1;
+	}
+	return sprintf(buffer, "%d\n", kdamond_pid);
+}
+
+static const struct kernel_param_ops kdamond_pid_param_ops = {
+	.set = damon_reclaim_kdamond_pid_store,
+	.get = damon_reclaim_kdamond_pid_load,
+};
+
+/*
+ * PID of the DAMON thread
+ *
+ * If DAMON_RECLAIM is enabled, this becomes the PID of the worker thread.
+ * Else, -1.
+ */
+module_param_cb(kdamond_pid, &kdamond_pid_param_ops, NULL, 0400);
+
 static int damon_reclaim_handle_commit_inputs(void)
 {
 	int err;
diff --git a/mm/damon/sysfs-schemes.c b/mm/damon/sysfs-schemes.c
index c774f1e5c0a5..dd04bd38567a 100644
--- a/mm/damon/sysfs-schemes.c
+++ b/mm/damon/sysfs-schemes.c
@@ -360,9 +360,14 @@ static ssize_t memcg_path_show(struct kobject *kobj,
 {
 	struct damon_sysfs_scheme_filter *filter = container_of(kobj,
 			struct damon_sysfs_scheme_filter, kobj);
+	int len;
 
-	return sysfs_emit(buf, "%s\n",
+	if (!mutex_trylock(&damon_sysfs_lock))
+		return -EBUSY;
+	len = sysfs_emit(buf, "%s\n",
 			filter->memcg_path ? filter->memcg_path : "");
+	mutex_unlock(&damon_sysfs_lock);
+	return len;
 }
 
 static ssize_t memcg_path_store(struct kobject *kobj,
@@ -376,8 +381,13 @@ static ssize_t memcg_path_store(struct kobject *kobj,
 		return -ENOMEM;
 
 	strscpy(path, buf, count + 1);
+	if (!mutex_trylock(&damon_sysfs_lock)) {
+		kfree(path);
+		return -EBUSY;
+	}
 	kfree(filter->memcg_path);
 	filter->memcg_path = path;
+	mutex_unlock(&damon_sysfs_lock);
 	return count;
 }
 
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index aa0ef3bc4dd6..6a1e0eefd254 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -7493,6 +7493,7 @@ void __init hugetlb_cma_reserve(int order)
 		 * let's allocate 1 GB on first three nodes and ignore the last one.
 		 */
 		per_node = DIV_ROUND_UP(hugetlb_cma_size, nr_online_nodes);
+		per_node = round_up(per_node, PAGE_SIZE << order);
 		pr_info("hugetlb_cma: reserve %lu MiB, up to %lu MiB per node\n",
 			hugetlb_cma_size / SZ_1M, per_node / SZ_1M);
 	}
diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c
index c31edbd7c2ab..748188d3b878 100644
--- a/net/batman-adv/bat_iv_ogm.c
+++ b/net/batman-adv/bat_iv_ogm.c
@@ -172,19 +172,12 @@ batadv_iv_ogm_orig_get(struct batadv_priv *bat_priv, const u8 *addr)
 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;
 }
 
@@ -334,7 +327,7 @@ 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;
@@ -900,6 +893,31 @@ 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
@@ -969,17 +987,9 @@ 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 {
@@ -1031,10 +1041,9 @@ 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;
 	}
@@ -1100,7 +1109,6 @@ 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)
@@ -1296,6 +1304,32 @@ batadv_iv_ogm_update_seqnos(const struct ethhdr *ethhdr,
 	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
@@ -1366,8 +1400,9 @@ 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 96b3c1c972cd..30deb7d73b2b 100644
--- a/net/batman-adv/bridge_loop_avoidance.c
+++ b/net/batman-adv/bridge_loop_avoidance.c
@@ -318,8 +318,8 @@ 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);
 	}
@@ -723,6 +723,7 @@ 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;
 		}
@@ -1288,6 +1289,13 @@ 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;
@@ -1313,6 +1321,7 @@ static void batadv_bla_purge_claims(struct batadv_priv *bat_priv,
 					      claim->addr, claim->vid);
 skip:
 			batadv_backbone_gw_put(backbone_gw);
+			batadv_claim_put(claim);
 		}
 		rcu_read_unlock();
 	}
diff --git a/net/batman-adv/main.c b/net/batman-adv/main.c
index e8a449915566..18b32c39ed4b 100644
--- a/net/batman-adv/main.c
+++ b/net/batman-adv/main.c
@@ -262,6 +262,7 @@ void batadv_mesh_free(struct net_device *soft_iface)
 	atomic_set(&bat_priv->mesh_state, BATADV_MESH_DEACTIVATING);
 
 	batadv_purge_outstanding_packets(bat_priv, NULL);
+	batadv_tp_stop_all(bat_priv);
 
 	batadv_gw_node_free(bat_priv);
 
diff --git a/net/batman-adv/tp_meter.c b/net/batman-adv/tp_meter.c
index 7f3dd3c393e0..87797969c220 100644
--- a/net/batman-adv/tp_meter.c
+++ b/net/batman-adv/tp_meter.c
@@ -12,6 +12,7 @@
 #include <linux/byteorder/generic.h>
 #include <linux/cache.h>
 #include <linux/compiler.h>
+#include <linux/completion.h>
 #include <linux/container_of.h>
 #include <linux/err.h>
 #include <linux/etherdevice.h>
@@ -365,23 +366,38 @@ static void batadv_tp_vars_put(struct batadv_tp_vars *tp_vars)
 }
 
 /**
- * batadv_tp_sender_cleanup() - cleanup sender data and drop and timer
- * @bat_priv: the bat priv with all the soft interface information
- * @tp_vars: the private data of the current TP meter session to cleanup
+ * batadv_tp_list_detach() - remove tp session from mesh session list once
+ * @tp_vars: the private data of the current TP meter session
  */
-static void batadv_tp_sender_cleanup(struct batadv_priv *bat_priv,
-				     struct batadv_tp_vars *tp_vars)
+static void batadv_tp_list_detach(struct batadv_tp_vars *tp_vars)
 {
-	cancel_delayed_work(&tp_vars->finish_work);
+	bool detached = false;
 
 	spin_lock_bh(&tp_vars->bat_priv->tp_list_lock);
-	hlist_del_rcu(&tp_vars->list);
+	if (!hlist_unhashed(&tp_vars->list)) {
+		hlist_del_init_rcu(&tp_vars->list);
+		detached = true;
+	}
 	spin_unlock_bh(&tp_vars->bat_priv->tp_list_lock);
 
+	if (!detached)
+		return;
+
+	atomic_dec(&tp_vars->bat_priv->tp_num);
+
 	/* drop list reference */
 	batadv_tp_vars_put(tp_vars);
+}
 
-	atomic_dec(&tp_vars->bat_priv->tp_num);
+/**
+ * batadv_tp_sender_cleanup() - cleanup sender data and drop and timer
+ * @tp_vars: the private data of the current TP meter session to cleanup
+ */
+static void batadv_tp_sender_cleanup(struct batadv_tp_vars *tp_vars)
+{
+	cancel_delayed_work_sync(&tp_vars->finish_work);
+
+	batadv_tp_list_detach(tp_vars);
 
 	/* kill the timer and remove its reference */
 	del_timer_sync(&tp_vars->timer);
@@ -886,7 +902,8 @@ static int batadv_tp_send(void *arg)
 	batadv_orig_node_put(orig_node);
 
 	batadv_tp_sender_end(bat_priv, tp_vars);
-	batadv_tp_sender_cleanup(bat_priv, tp_vars);
+	batadv_tp_sender_cleanup(tp_vars);
+	complete(&tp_vars->finished);
 
 	batadv_tp_vars_put(tp_vars);
 
@@ -918,7 +935,8 @@ static void batadv_tp_start_kthread(struct batadv_tp_vars *tp_vars)
 		batadv_tp_vars_put(tp_vars);
 
 		/* cleanup of failed tp meter variables */
-		batadv_tp_sender_cleanup(bat_priv, tp_vars);
+		batadv_tp_sender_cleanup(tp_vars);
+		complete(&tp_vars->finished);
 		return;
 	}
 
@@ -947,6 +965,13 @@ 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);
@@ -969,6 +994,7 @@ void batadv_tp_start(struct batadv_priv *bat_priv, const u8 *dst,
 
 	tp_vars = kmalloc(sizeof(*tp_vars), GFP_ATOMIC);
 	if (!tp_vars) {
+		atomic_dec(&bat_priv->tp_num);
 		spin_unlock_bh(&bat_priv->tp_list_lock);
 		batadv_dbg(BATADV_DBG_TP_METER, bat_priv,
 			   "Meter: %s cannot allocate list elements\n",
@@ -1017,6 +1043,7 @@ void batadv_tp_start(struct batadv_priv *bat_priv, const u8 *dst,
 	tp_vars->start_time = jiffies;
 
 	init_waitqueue_head(&tp_vars->more_bytes);
+	init_completion(&tp_vars->finished);
 
 	spin_lock_init(&tp_vars->unacked_lock);
 	INIT_LIST_HEAD(&tp_vars->unacked_list);
@@ -1119,14 +1146,7 @@ static void batadv_tp_receiver_shutdown(struct timer_list *t)
 		   "Shutting down for inactivity (more than %dms) from %pM\n",
 		   BATADV_TP_RECV_TIMEOUT, tp_vars->other_end);
 
-	spin_lock_bh(&tp_vars->bat_priv->tp_list_lock);
-	hlist_del_rcu(&tp_vars->list);
-	spin_unlock_bh(&tp_vars->bat_priv->tp_list_lock);
-
-	/* drop list reference */
-	batadv_tp_vars_put(tp_vars);
-
-	atomic_dec(&bat_priv->tp_num);
+	batadv_tp_list_detach(tp_vars);
 
 	spin_lock_bh(&tp_vars->unacked_lock);
 	list_for_each_entry_safe(un, safe, &tp_vars->unacked_list, list) {
@@ -1329,9 +1349,12 @@ 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)
@@ -1344,8 +1367,10 @@ batadv_tp_init_recv(struct batadv_priv *bat_priv,
 	}
 
 	tp_vars = kmalloc(sizeof(*tp_vars), GFP_ATOMIC);
-	if (!tp_vars)
+	if (!tp_vars) {
+		atomic_dec(&bat_priv->tp_num);
 		goto out_unlock;
+	}
 
 	ether_addr_copy(tp_vars->other_end, icmp->orig);
 	tp_vars->role = BATADV_TP_RECEIVER;
@@ -1464,6 +1489,9 @@ 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) {
@@ -1478,9 +1506,57 @@ 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);
 }
 
+/**
+ * batadv_tp_stop_all() - stop all currently running tp meter sessions
+ * @bat_priv: the bat priv with all the mesh interface information
+ */
+void batadv_tp_stop_all(struct batadv_priv *bat_priv)
+{
+	struct batadv_tp_vars *tp_vars[BATADV_TP_MAX_NUM];
+	struct batadv_tp_vars *tp_var;
+	size_t count = 0;
+	size_t i;
+
+	spin_lock_bh(&bat_priv->tp_list_lock);
+	hlist_for_each_entry(tp_var, &bat_priv->tp_list, list) {
+		if (WARN_ON_ONCE(count >= BATADV_TP_MAX_NUM))
+			break;
+
+		if (!kref_get_unless_zero(&tp_var->refcount))
+			continue;
+
+		tp_vars[count++] = tp_var;
+	}
+	spin_unlock_bh(&bat_priv->tp_list_lock);
+
+	for (i = 0; i < count; i++) {
+		tp_var = tp_vars[i];
+
+		switch (tp_var->role) {
+		case BATADV_TP_SENDER:
+			batadv_tp_sender_shutdown(tp_var,
+						  BATADV_TP_REASON_CANCEL);
+			wake_up(&tp_var->more_bytes);
+			wait_for_completion(&tp_var->finished);
+			break;
+		case BATADV_TP_RECEIVER:
+			batadv_tp_list_detach(tp_var);
+			if (timer_shutdown_sync(&tp_var->timer))
+				batadv_tp_vars_put(tp_var);
+			break;
+		}
+
+		batadv_tp_vars_put(tp_var);
+	}
+
+	synchronize_net();
+}
+
 /**
  * batadv_tp_meter_init() - initialize global tp_meter structures
  */
diff --git a/net/batman-adv/tp_meter.h b/net/batman-adv/tp_meter.h
index f0046d366eac..4e97cd10cd02 100644
--- a/net/batman-adv/tp_meter.h
+++ b/net/batman-adv/tp_meter.h
@@ -17,6 +17,7 @@ void batadv_tp_start(struct batadv_priv *bat_priv, const u8 *dst,
 		     u32 test_length, u32 *cookie);
 void batadv_tp_stop(struct batadv_priv *bat_priv, const u8 *dst,
 		    u8 return_value);
+void batadv_tp_stop_all(struct batadv_priv *bat_priv);
 void batadv_tp_meter_recv(struct batadv_priv *bat_priv, struct sk_buff *skb);
 
 #endif /* _NET_BATMAN_ADV_TP_METER_H_ */
diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h
index d6854c109cd2..788507b29f9a 100644
--- a/net/batman-adv/types.h
+++ b/net/batman-adv/types.h
@@ -14,6 +14,7 @@
 #include <linux/average.h>
 #include <linux/bitops.h>
 #include <linux/compiler.h>
+#include <linux/completion.h>
 #include <linux/if.h>
 #include <linux/if_ether.h>
 #include <linux/kref.h>
@@ -1396,6 +1397,9 @@ struct batadv_tp_vars {
 	/** @finish_work: work item for the finishing procedure */
 	struct delayed_work finish_work;
 
+	/** @finished: completion signaled when a sender thread exits */
+	struct completion finished;
+
 	/** @test_length: test length in milliseconds */
 	u32 test_length;
 
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 97e48c1f69af..f51c530a3c45 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -2014,6 +2014,9 @@ static int create_big_sync(struct hci_dev *hdev, void *data)
 	u32 flags = 0;
 	int err;
 
+	if (!hci_conn_valid(hdev, conn))
+		return -ECANCELED;
+
 	if (qos->bcast.out.phy == 0x02)
 		flags |= MGMT_ADV_FLAG_SEC_2M;
 
@@ -2125,11 +2128,24 @@ static void create_big_complete(struct hci_dev *hdev, void *data, int err)
 
 	bt_dev_dbg(hdev, "conn %p", conn);
 
+	if (err == -ECANCELED)
+		goto done;
+
+	hci_dev_lock(hdev);
+
+	if (!hci_conn_valid(hdev, conn))
+		goto unlock;
+
 	if (err) {
 		bt_dev_err(hdev, "Unable to create BIG: %d", err);
 		hci_connect_cfm(conn, err);
 		hci_conn_del(conn);
 	}
+
+unlock:
+	hci_dev_unlock(hdev);
+done:
+	hci_conn_put(conn);
 }
 
 struct hci_conn *hci_bind_bis(struct hci_dev *hdev, bdaddr_t *dst,
@@ -2230,10 +2246,11 @@ struct hci_conn *hci_connect_bis(struct hci_dev *hdev, bdaddr_t *dst,
 				 BT_BOUND, &data);
 
 	/* Queue start periodic advertising and create BIG */
-	err = hci_cmd_sync_queue(hdev, create_big_sync, conn,
+	err = hci_cmd_sync_queue(hdev, create_big_sync, hci_conn_get(conn),
 				 create_big_complete);
 	if (err < 0) {
 		hci_conn_drop(conn);
+		hci_conn_put(conn);
 		return ERR_PTR(err);
 	}
 
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 8b184839b013..f6285c4325d6 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -5409,9 +5409,11 @@ static void hci_user_passkey_notify_evt(struct hci_dev *hdev, void *data,
 
 	bt_dev_dbg(hdev, "");
 
+	hci_dev_lock(hdev);
+
 	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
 	if (!conn)
-		return;
+		goto unlock;
 
 	conn->passkey_notify = __le32_to_cpu(ev->passkey);
 	conn->passkey_entered = 0;
@@ -5420,6 +5422,9 @@ static void hci_user_passkey_notify_evt(struct hci_dev *hdev, void *data,
 		mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
 					 conn->dst_type, conn->passkey_notify,
 					 conn->passkey_entered);
+
+unlock:
+	hci_dev_unlock(hdev);
 }
 
 static void hci_keypress_notify_evt(struct hci_dev *hdev, void *data,
@@ -5430,14 +5435,16 @@ static void hci_keypress_notify_evt(struct hci_dev *hdev, void *data,
 
 	bt_dev_dbg(hdev, "");
 
+	hci_dev_lock(hdev);
+
 	conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
 	if (!conn)
-		return;
+		goto unlock;
 
 	switch (ev->type) {
 	case HCI_KEYPRESS_STARTED:
 		conn->passkey_entered = 0;
-		return;
+		goto unlock;
 
 	case HCI_KEYPRESS_ENTERED:
 		conn->passkey_entered++;
@@ -5452,13 +5459,16 @@ static void hci_keypress_notify_evt(struct hci_dev *hdev, void *data,
 		break;
 
 	case HCI_KEYPRESS_COMPLETED:
-		return;
+		goto unlock;
 	}
 
 	if (hci_dev_test_flag(hdev, HCI_MGMT))
 		mgmt_user_passkey_notify(hdev, &conn->dst, conn->type,
 					 conn->dst_type, conn->passkey_notify,
 					 conn->passkey_entered);
+
+unlock:
+	hci_dev_unlock(hdev);
 }
 
 static void hci_simple_pair_complete_evt(struct hci_dev *hdev, void *data,
@@ -6864,9 +6874,29 @@ static void hci_le_create_big_complete_evt(struct hci_dev *hdev, void *data,
 			continue;
 		}
 
-		if (hci_conn_set_handle(conn,
-					__le16_to_cpu(ev->bis_handle[i++])))
+		if (ev->num_bis <= i) {
+			bt_dev_err(hdev,
+				   "Not enough BIS handles for BIG 0x%2.2x",
+				   ev->handle);
+			ev->status = HCI_ERROR_UNSPECIFIED;
+			hci_connect_cfm(conn, ev->status);
+			hci_conn_del(conn);
 			continue;
+		}
+
+		if (hci_conn_set_handle(conn,
+					__le16_to_cpu(ev->bis_handle[i++]))) {
+			bt_dev_err(hdev,
+				   "Failed to set BIS handle for BIG 0x%2.2x",
+				   ev->handle);
+			/* Force error so BIG gets terminated as not all BIS
+			 * could be connected.
+			 */
+			ev->status = HCI_ERROR_UNSPECIFIED;
+			hci_connect_cfm(conn, ev->status);
+			hci_conn_del(conn);
+			continue;
+		}
 
 		conn->state = BT_CONNECTED;
 		set_bit(HCI_CONN_BIG_CREATED, &conn->flags);
@@ -6875,7 +6905,10 @@ static void hci_le_create_big_complete_evt(struct hci_dev *hdev, void *data,
 		hci_iso_setup_path(conn);
 	}
 
-	if (!ev->status && !i)
+	/* If there is an unexpected error or if no BISes have been connected
+	 * for the BIG, terminate it.
+	 */
+	if (ev->status == HCI_ERROR_UNSPECIFIED || (!ev->status && !i))
 		/* If no BISes have been connected for the BIG,
 		 * terminate. This is in case all bound connections
 		 * have been closed before the BIG creation
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 1960d35b3be0..fd727a2961fa 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c
@@ -1464,6 +1464,9 @@ 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 */
@@ -1624,6 +1627,9 @@ 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)
@@ -1725,6 +1731,9 @@ 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/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 51a6ad6a36c8..1874d50e96aa 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -1319,8 +1319,7 @@ static void mgmt_set_powered_complete(struct hci_dev *hdev, void *data, int err)
 	struct mgmt_mode *cp;
 
 	/* Make sure cmd still outstanding. */
-	if (err == -ECANCELED ||
-	    cmd != pending_find(MGMT_OP_SET_POWERED, hdev))
+	if (err == -ECANCELED || !mgmt_pending_valid(hdev, cmd))
 		return;
 
 	cp = cmd->param;
@@ -1347,23 +1346,29 @@ static void mgmt_set_powered_complete(struct hci_dev *hdev, void *data, int err)
 				mgmt_status(err));
 	}
 
-	mgmt_pending_remove(cmd);
+	mgmt_pending_free(cmd);
 }
 
 static int set_powered_sync(struct hci_dev *hdev, void *data)
 {
 	struct mgmt_pending_cmd *cmd = data;
-	struct mgmt_mode *cp;
+	struct mgmt_mode cp;
+
+	mutex_lock(&hdev->mgmt_pending_lock);
 
 	/* Make sure cmd still outstanding. */
-	if (cmd != pending_find(MGMT_OP_SET_POWERED, hdev))
+	if (!__mgmt_pending_listed(hdev, cmd)) {
+		mutex_unlock(&hdev->mgmt_pending_lock);
 		return -ECANCELED;
+	}
 
-	cp = cmd->param;
+	memcpy(&cp, cmd->param, sizeof(cp));
+
+	mutex_unlock(&hdev->mgmt_pending_lock);
 
 	BT_DBG("%s", hdev->name);
 
-	return hci_set_powered_sync(hdev, cp->val);
+	return hci_set_powered_sync(hdev, cp.val);
 }
 
 static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data,
@@ -1504,8 +1509,7 @@ static void mgmt_set_discoverable_complete(struct hci_dev *hdev, void *data,
 	bt_dev_dbg(hdev, "err %d", err);
 
 	/* Make sure cmd still outstanding. */
-	if (err == -ECANCELED ||
-	    cmd != pending_find(MGMT_OP_SET_DISCOVERABLE, hdev))
+	if (err == -ECANCELED || !mgmt_pending_valid(hdev, cmd))
 		return;
 
 	hci_dev_lock(hdev);
@@ -1527,12 +1531,15 @@ static void mgmt_set_discoverable_complete(struct hci_dev *hdev, void *data,
 	new_settings(hdev, cmd->sk);
 
 done:
-	mgmt_pending_remove(cmd);
+	mgmt_pending_free(cmd);
 	hci_dev_unlock(hdev);
 }
 
 static int set_discoverable_sync(struct hci_dev *hdev, void *data)
 {
+	if (!mgmt_pending_listed(hdev, data))
+		return -ECANCELED;
+
 	BT_DBG("%s", hdev->name);
 
 	return hci_update_discoverable_sync(hdev);
@@ -1679,8 +1686,7 @@ static void mgmt_set_connectable_complete(struct hci_dev *hdev, void *data,
 	bt_dev_dbg(hdev, "err %d", err);
 
 	/* Make sure cmd still outstanding. */
-	if (err == -ECANCELED ||
-	    cmd != pending_find(MGMT_OP_SET_CONNECTABLE, hdev))
+	if (err == -ECANCELED || !mgmt_pending_valid(hdev, cmd))
 		return;
 
 	hci_dev_lock(hdev);
@@ -1696,7 +1702,7 @@ static void mgmt_set_connectable_complete(struct hci_dev *hdev, void *data,
 
 done:
 	if (cmd)
-		mgmt_pending_remove(cmd);
+		mgmt_pending_free(cmd);
 
 	hci_dev_unlock(hdev);
 }
@@ -1732,6 +1738,9 @@ static int set_connectable_update_settings(struct hci_dev *hdev,
 
 static int set_connectable_sync(struct hci_dev *hdev, void *data)
 {
+	if (!mgmt_pending_listed(hdev, data))
+		return -ECANCELED;
+
 	BT_DBG("%s", hdev->name);
 
 	return hci_update_connectable_sync(hdev);
@@ -1908,14 +1917,17 @@ static void set_ssp_complete(struct hci_dev *hdev, void *data, int err)
 {
 	struct cmd_lookup match = { NULL, hdev };
 	struct mgmt_pending_cmd *cmd = data;
-	struct mgmt_mode *cp = cmd->param;
-	u8 enable = cp->val;
+	struct mgmt_mode *cp;
+	u8 enable;
 	bool changed;
 
 	/* Make sure cmd still outstanding. */
-	if (err == -ECANCELED || cmd != pending_find(MGMT_OP_SET_SSP, hdev))
+	if (err == -ECANCELED || !mgmt_pending_valid(hdev, cmd))
 		return;
 
+	cp = cmd->param;
+	enable = cp->val;
+
 	if (err) {
 		u8 mgmt_err = mgmt_status(err);
 
@@ -1924,8 +1936,8 @@ static void set_ssp_complete(struct hci_dev *hdev, void *data, int err)
 			new_settings(hdev, NULL);
 		}
 
-		mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, true,
-				     cmd_status_rsp, &mgmt_err);
+		mgmt_cmd_status(cmd->sk, cmd->hdev->id, cmd->opcode, mgmt_err);
+		mgmt_pending_free(cmd);
 		return;
 	}
 
@@ -1935,7 +1947,7 @@ static void set_ssp_complete(struct hci_dev *hdev, void *data, int err)
 		changed = hci_dev_test_and_clear_flag(hdev, HCI_SSP_ENABLED);
 	}
 
-	mgmt_pending_foreach(MGMT_OP_SET_SSP, hdev, true, settings_rsp, &match);
+	settings_rsp(cmd, &match);
 
 	if (changed)
 		new_settings(hdev, match.sk);
@@ -1944,19 +1956,31 @@ static void set_ssp_complete(struct hci_dev *hdev, void *data, int err)
 		sock_put(match.sk);
 
 	hci_update_eir_sync(hdev);
+	mgmt_pending_free(cmd);
 }
 
 static int set_ssp_sync(struct hci_dev *hdev, void *data)
 {
 	struct mgmt_pending_cmd *cmd = data;
-	struct mgmt_mode *cp = cmd->param;
+	struct mgmt_mode cp;
 	bool changed = false;
 	int err;
 
-	if (cp->val)
+	mutex_lock(&hdev->mgmt_pending_lock);
+
+	if (!__mgmt_pending_listed(hdev, cmd)) {
+		mutex_unlock(&hdev->mgmt_pending_lock);
+		return -ECANCELED;
+	}
+
+	memcpy(&cp, cmd->param, sizeof(cp));
+
+	mutex_unlock(&hdev->mgmt_pending_lock);
+
+	if (cp.val)
 		changed = !hci_dev_test_and_set_flag(hdev, HCI_SSP_ENABLED);
 
-	err = hci_write_ssp_mode_sync(hdev, cp->val);
+	err = hci_write_ssp_mode_sync(hdev, cp.val);
 
 	if (!err && changed)
 		hci_dev_clear_flag(hdev, HCI_SSP_ENABLED);
@@ -2049,32 +2073,50 @@ static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len)
 
 static void set_le_complete(struct hci_dev *hdev, void *data, int err)
 {
+	struct mgmt_pending_cmd *cmd = data;
 	struct cmd_lookup match = { NULL, hdev };
 	u8 status = mgmt_status(err);
 
 	bt_dev_dbg(hdev, "err %d", err);
 
-	if (status) {
-		mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, true, cmd_status_rsp,
-				     &status);
+	if (err == -ECANCELED || !mgmt_pending_valid(hdev, data))
 		return;
+
+	if (status) {
+		mgmt_cmd_status(cmd->sk, cmd->hdev->id, cmd->opcode, status);
+		goto done;
 	}
 
-	mgmt_pending_foreach(MGMT_OP_SET_LE, hdev, true, settings_rsp, &match);
+	settings_rsp(cmd, &match);
 
 	new_settings(hdev, match.sk);
 
 	if (match.sk)
 		sock_put(match.sk);
+
+done:
+	mgmt_pending_free(cmd);
 }
 
 static int set_le_sync(struct hci_dev *hdev, void *data)
 {
 	struct mgmt_pending_cmd *cmd = data;
-	struct mgmt_mode *cp = cmd->param;
-	u8 val = !!cp->val;
+	struct mgmt_mode cp;
+	u8 val;
 	int err;
 
+	mutex_lock(&hdev->mgmt_pending_lock);
+
+	if (!__mgmt_pending_listed(hdev, cmd)) {
+		mutex_unlock(&hdev->mgmt_pending_lock);
+		return -ECANCELED;
+	}
+
+	memcpy(&cp, cmd->param, sizeof(cp));
+	val = !!cp.val;
+
+	mutex_unlock(&hdev->mgmt_pending_lock);
+
 	if (!val) {
 		hci_clear_adv_instance_sync(hdev, NULL, 0x00, true);
 
@@ -2116,7 +2158,12 @@ static void set_mesh_complete(struct hci_dev *hdev, void *data, int err)
 {
 	struct mgmt_pending_cmd *cmd = data;
 	u8 status = mgmt_status(err);
-	struct sock *sk = cmd->sk;
+	struct sock *sk;
+
+	if (err == -ECANCELED || !mgmt_pending_valid(hdev, cmd))
+		return;
+
+	sk = cmd->sk;
 
 	if (status) {
 		mgmt_pending_foreach(MGMT_OP_SET_MESH_RECEIVER, hdev, true,
@@ -2131,24 +2178,37 @@ static void set_mesh_complete(struct hci_dev *hdev, void *data, int err)
 static int set_mesh_sync(struct hci_dev *hdev, void *data)
 {
 	struct mgmt_pending_cmd *cmd = data;
-	struct mgmt_cp_set_mesh *cp = cmd->param;
-	size_t len = cmd->param_len;
+	struct mgmt_cp_set_mesh cp;
+	size_t len;
+
+	mutex_lock(&hdev->mgmt_pending_lock);
+
+	if (!__mgmt_pending_listed(hdev, cmd)) {
+		mutex_unlock(&hdev->mgmt_pending_lock);
+		return -ECANCELED;
+	}
+
+	memcpy(&cp, cmd->param, sizeof(cp));
+
+	mutex_unlock(&hdev->mgmt_pending_lock);
+
+	len = cmd->param_len;
 
 	memset(hdev->mesh_ad_types, 0, sizeof(hdev->mesh_ad_types));
 
-	if (cp->enable)
+	if (cp.enable)
 		hci_dev_set_flag(hdev, HCI_MESH);
 	else
 		hci_dev_clear_flag(hdev, HCI_MESH);
 
-	hdev->le_scan_interval = __le16_to_cpu(cp->period);
-	hdev->le_scan_window = __le16_to_cpu(cp->window);
+	hdev->le_scan_interval = __le16_to_cpu(cp.period);
+	hdev->le_scan_window = __le16_to_cpu(cp.window);
 
-	len -= sizeof(*cp);
+	len -= sizeof(cp);
 
 	/* If filters don't fit, forward all adv pkts */
 	if (len <= sizeof(hdev->mesh_ad_types))
-		memcpy(hdev->mesh_ad_types, cp->ad_types, len);
+		memcpy(hdev->mesh_ad_types, cp.ad_types, len);
 
 	hci_update_passive_scan_sync(hdev);
 	return 0;
@@ -3802,15 +3862,16 @@ static int name_changed_sync(struct hci_dev *hdev, void *data)
 static void set_name_complete(struct hci_dev *hdev, void *data, int err)
 {
 	struct mgmt_pending_cmd *cmd = data;
-	struct mgmt_cp_set_local_name *cp = cmd->param;
+	struct mgmt_cp_set_local_name *cp;
 	u8 status = mgmt_status(err);
 
 	bt_dev_dbg(hdev, "err %d", err);
 
-	if (err == -ECANCELED ||
-	    cmd != pending_find(MGMT_OP_SET_LOCAL_NAME, hdev))
+	if (err == -ECANCELED || !mgmt_pending_valid(hdev, cmd))
 		return;
 
+	cp = cmd->param;
+
 	if (status) {
 		mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_SET_LOCAL_NAME,
 				status);
@@ -3822,16 +3883,27 @@ static void set_name_complete(struct hci_dev *hdev, void *data, int err)
 			hci_cmd_sync_queue(hdev, name_changed_sync, NULL, NULL);
 	}
 
-	mgmt_pending_remove(cmd);
+	mgmt_pending_free(cmd);
 }
 
 static int set_name_sync(struct hci_dev *hdev, void *data)
 {
 	struct mgmt_pending_cmd *cmd = data;
-	struct mgmt_cp_set_local_name *cp = cmd->param;
+	struct mgmt_cp_set_local_name cp;
+
+	mutex_lock(&hdev->mgmt_pending_lock);
+
+	if (!__mgmt_pending_listed(hdev, cmd)) {
+		mutex_unlock(&hdev->mgmt_pending_lock);
+		return -ECANCELED;
+	}
+
+	memcpy(&cp, cmd->param, sizeof(cp));
+
+	mutex_unlock(&hdev->mgmt_pending_lock);
 
 	if (lmp_bredr_capable(hdev)) {
-		hci_update_name_sync(hdev, cp->name);
+		hci_update_name_sync(hdev, cp.name);
 		hci_update_eir_sync(hdev);
 	}
 
@@ -3983,12 +4055,10 @@ int mgmt_phy_configuration_changed(struct hci_dev *hdev, struct sock *skip)
 static void set_default_phy_complete(struct hci_dev *hdev, void *data, int err)
 {
 	struct mgmt_pending_cmd *cmd = data;
-	struct sk_buff *skb = cmd->skb;
+	struct sk_buff *skb;
 	u8 status = mgmt_status(err);
 
-	if (err == -ECANCELED ||
-	    cmd != pending_find(MGMT_OP_SET_PHY_CONFIGURATION, hdev))
-		return;
+	skb = cmd->skb;
 
 	if (!status) {
 		if (!skb)
@@ -4015,7 +4085,7 @@ static void set_default_phy_complete(struct hci_dev *hdev, void *data, int err)
 	if (skb && !IS_ERR(skb))
 		kfree_skb(skb);
 
-	mgmt_pending_remove(cmd);
+	mgmt_pending_free(cmd);
 }
 
 static int set_default_phy_sync(struct hci_dev *hdev, void *data)
@@ -4023,7 +4093,9 @@ static int set_default_phy_sync(struct hci_dev *hdev, void *data)
 	struct mgmt_pending_cmd *cmd = data;
 	struct mgmt_cp_set_phy_configuration *cp = cmd->param;
 	struct hci_cp_le_set_default_phy cp_phy;
-	u32 selected_phys = __le32_to_cpu(cp->selected_phys);
+	u32 selected_phys;
+
+	selected_phys = __le32_to_cpu(cp->selected_phys);
 
 	memset(&cp_phy, 0, sizeof(cp_phy));
 
@@ -4163,7 +4235,7 @@ static int set_phy_configuration(struct sock *sk, struct hci_dev *hdev,
 		goto unlock;
 	}
 
-	cmd = mgmt_pending_add(sk, MGMT_OP_SET_PHY_CONFIGURATION, hdev, data,
+	cmd = mgmt_pending_new(sk, MGMT_OP_SET_PHY_CONFIGURATION, hdev, data,
 			       len);
 	if (!cmd)
 		err = -ENOMEM;
@@ -5253,7 +5325,17 @@ static void mgmt_add_adv_patterns_monitor_complete(struct hci_dev *hdev,
 {
 	struct mgmt_rp_add_adv_patterns_monitor rp;
 	struct mgmt_pending_cmd *cmd = data;
-	struct adv_monitor *monitor = cmd->user_data;
+	struct adv_monitor *monitor;
+
+	/* This is likely the result of hdev being closed and mgmt_index_removed
+	 * is attempting to clean up any pending command so
+	 * hci_adv_monitors_clear is about to be called which will take care of
+	 * freeing the adv_monitor instances.
+	 */
+	if (status == -ECANCELED || !mgmt_pending_valid(hdev, cmd))
+		return;
+
+	monitor = cmd->user_data;
 
 	hci_dev_lock(hdev);
 
@@ -5279,9 +5361,20 @@ static void mgmt_add_adv_patterns_monitor_complete(struct hci_dev *hdev,
 static int mgmt_add_adv_patterns_monitor_sync(struct hci_dev *hdev, void *data)
 {
 	struct mgmt_pending_cmd *cmd = data;
-	struct adv_monitor *monitor = cmd->user_data;
+	struct adv_monitor *mon;
 
-	return hci_add_adv_monitor(hdev, monitor);
+	mutex_lock(&hdev->mgmt_pending_lock);
+
+	if (!__mgmt_pending_listed(hdev, cmd)) {
+		mutex_unlock(&hdev->mgmt_pending_lock);
+		return -ECANCELED;
+	}
+
+	mon = cmd->user_data;
+
+	mutex_unlock(&hdev->mgmt_pending_lock);
+
+	return hci_add_adv_monitor(hdev, mon);
 }
 
 static int __add_adv_patterns_monitor(struct sock *sk, struct hci_dev *hdev,
@@ -5548,7 +5641,8 @@ static int remove_adv_monitor(struct sock *sk, struct hci_dev *hdev,
 			       status);
 }
 
-static void read_local_oob_data_complete(struct hci_dev *hdev, void *data, int err)
+static void read_local_oob_data_complete(struct hci_dev *hdev, void *data,
+					 int err)
 {
 	struct mgmt_rp_read_local_oob_data mgmt_rp;
 	size_t rp_size = sizeof(mgmt_rp);
@@ -5568,7 +5662,8 @@ static void read_local_oob_data_complete(struct hci_dev *hdev, void *data, int e
 	bt_dev_dbg(hdev, "status %d", status);
 
 	if (status) {
-		mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA, status);
+		mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
+				status);
 		goto remove;
 	}
 
@@ -5873,17 +5968,12 @@ static void start_discovery_complete(struct hci_dev *hdev, void *data, int err)
 
 	bt_dev_dbg(hdev, "err %d", err);
 
-	if (err == -ECANCELED)
-		return;
-
-	if (cmd != pending_find(MGMT_OP_START_DISCOVERY, hdev) &&
-	    cmd != pending_find(MGMT_OP_START_LIMITED_DISCOVERY, hdev) &&
-	    cmd != pending_find(MGMT_OP_START_SERVICE_DISCOVERY, hdev))
+	if (err == -ECANCELED || !mgmt_pending_valid(hdev, cmd))
 		return;
 
 	mgmt_cmd_complete(cmd->sk, cmd->hdev->id, cmd->opcode, mgmt_status(err),
 			  cmd->param, 1);
-	mgmt_pending_remove(cmd);
+	mgmt_pending_free(cmd);
 
 	hci_discovery_set_state(hdev, err ? DISCOVERY_STOPPED:
 				DISCOVERY_FINDING);
@@ -5891,6 +5981,9 @@ static void start_discovery_complete(struct hci_dev *hdev, void *data, int err)
 
 static int start_discovery_sync(struct hci_dev *hdev, void *data)
 {
+	if (!mgmt_pending_listed(hdev, data))
+		return -ECANCELED;
+
 	return hci_start_discovery_sync(hdev);
 }
 
@@ -6113,15 +6206,14 @@ static void stop_discovery_complete(struct hci_dev *hdev, void *data, int err)
 {
 	struct mgmt_pending_cmd *cmd = data;
 
-	if (err == -ECANCELED ||
-	    cmd != pending_find(MGMT_OP_STOP_DISCOVERY, hdev))
+	if (err == -ECANCELED || !mgmt_pending_valid(hdev, cmd))
 		return;
 
 	bt_dev_dbg(hdev, "err %d", err);
 
 	mgmt_cmd_complete(cmd->sk, cmd->hdev->id, cmd->opcode, mgmt_status(err),
 			  cmd->param, 1);
-	mgmt_pending_remove(cmd);
+	mgmt_pending_free(cmd);
 
 	if (!err)
 		hci_discovery_set_state(hdev, DISCOVERY_STOPPED);
@@ -6129,6 +6221,9 @@ static void stop_discovery_complete(struct hci_dev *hdev, void *data, int err)
 
 static int stop_discovery_sync(struct hci_dev *hdev, void *data)
 {
+	if (!mgmt_pending_listed(hdev, data))
+		return -ECANCELED;
+
 	return hci_stop_discovery_sync(hdev);
 }
 
@@ -6338,14 +6433,18 @@ static void enable_advertising_instance(struct hci_dev *hdev, int err)
 
 static void set_advertising_complete(struct hci_dev *hdev, void *data, int err)
 {
+	struct mgmt_pending_cmd *cmd = data;
 	struct cmd_lookup match = { NULL, hdev };
 	u8 instance;
 	struct adv_info *adv_instance;
 	u8 status = mgmt_status(err);
 
+	if (err == -ECANCELED || !mgmt_pending_valid(hdev, data))
+		return;
+
 	if (status) {
-		mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, true,
-				     cmd_status_rsp, &status);
+		mgmt_cmd_status(cmd->sk, cmd->hdev->id, cmd->opcode, status);
+		mgmt_pending_free(cmd);
 		return;
 	}
 
@@ -6354,8 +6453,8 @@ static void set_advertising_complete(struct hci_dev *hdev, void *data, int err)
 	else
 		hci_dev_clear_flag(hdev, HCI_ADVERTISING);
 
-	mgmt_pending_foreach(MGMT_OP_SET_ADVERTISING, hdev, true, settings_rsp,
-			     &match);
+	settings_rsp(cmd, &match);
+	mgmt_pending_free(cmd);
 
 	new_settings(hdev, match.sk);
 
@@ -6387,10 +6486,23 @@ static void set_advertising_complete(struct hci_dev *hdev, void *data, int err)
 static int set_adv_sync(struct hci_dev *hdev, void *data)
 {
 	struct mgmt_pending_cmd *cmd = data;
-	struct mgmt_mode *cp = cmd->param;
-	u8 val = !!cp->val;
+	struct mgmt_mode cp;
+	u8 val;
 
-	if (cp->val == 0x02)
+	mutex_lock(&hdev->mgmt_pending_lock);
+
+	if (!__mgmt_pending_listed(hdev, cmd)) {
+		mutex_unlock(&hdev->mgmt_pending_lock);
+		return -ECANCELED;
+	}
+
+	memcpy(&cp, cmd->param, sizeof(cp));
+
+	mutex_unlock(&hdev->mgmt_pending_lock);
+
+	val = !!cp.val;
+
+	if (cp.val == 0x02)
 		hci_dev_set_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
 	else
 		hci_dev_clear_flag(hdev, HCI_ADVERTISING_CONNECTABLE);
@@ -8100,10 +8212,6 @@ static void read_local_oob_ext_data_complete(struct hci_dev *hdev, void *data,
 	u8 status = mgmt_status(err);
 	u16 eir_len;
 
-	if (err == -ECANCELED ||
-	    cmd != pending_find(MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev))
-		return;
-
 	if (!status) {
 		if (!skb)
 			status = MGMT_STATUS_FAILED;
@@ -8210,7 +8318,7 @@ static void read_local_oob_ext_data_complete(struct hci_dev *hdev, void *data,
 		kfree_skb(skb);
 
 	kfree(mgmt_rp);
-	mgmt_pending_remove(cmd);
+	mgmt_pending_free(cmd);
 }
 
 static int read_local_ssp_oob_req(struct hci_dev *hdev, struct sock *sk,
@@ -8219,7 +8327,7 @@ static int read_local_ssp_oob_req(struct hci_dev *hdev, struct sock *sk,
 	struct mgmt_pending_cmd *cmd;
 	int err;
 
-	cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev,
+	cmd = mgmt_pending_new(sk, MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev,
 			       cp, sizeof(*cp));
 	if (!cmd)
 		return -ENOMEM;
diff --git a/net/bluetooth/mgmt_util.c b/net/bluetooth/mgmt_util.c
index 4ba500c377a4..e612121b96d0 100644
--- a/net/bluetooth/mgmt_util.c
+++ b/net/bluetooth/mgmt_util.c
@@ -320,6 +320,52 @@ void mgmt_pending_remove(struct mgmt_pending_cmd *cmd)
 	mgmt_pending_free(cmd);
 }
 
+bool __mgmt_pending_listed(struct hci_dev *hdev, struct mgmt_pending_cmd *cmd)
+{
+	struct mgmt_pending_cmd *tmp;
+
+	lockdep_assert_held(&hdev->mgmt_pending_lock);
+
+	if (!cmd)
+		return false;
+
+	list_for_each_entry(tmp, &hdev->mgmt_pending, list) {
+		if (cmd == tmp)
+			return true;
+	}
+
+	return false;
+}
+
+bool mgmt_pending_listed(struct hci_dev *hdev, struct mgmt_pending_cmd *cmd)
+{
+	bool listed;
+
+	mutex_lock(&hdev->mgmt_pending_lock);
+	listed = __mgmt_pending_listed(hdev, cmd);
+	mutex_unlock(&hdev->mgmt_pending_lock);
+
+	return listed;
+}
+
+bool mgmt_pending_valid(struct hci_dev *hdev, struct mgmt_pending_cmd *cmd)
+{
+	bool listed;
+
+	if (!cmd)
+		return false;
+
+	mutex_lock(&hdev->mgmt_pending_lock);
+
+	listed = __mgmt_pending_listed(hdev, cmd);
+	if (listed)
+		list_del(&cmd->list);
+
+	mutex_unlock(&hdev->mgmt_pending_lock);
+
+	return listed;
+}
+
 void mgmt_mesh_foreach(struct hci_dev *hdev,
 		       void (*cb)(struct mgmt_mesh_tx *mesh_tx, void *data),
 		       void *data, struct sock *sk)
diff --git a/net/bluetooth/mgmt_util.h b/net/bluetooth/mgmt_util.h
index 024e51dd6937..bcba8c9d8952 100644
--- a/net/bluetooth/mgmt_util.h
+++ b/net/bluetooth/mgmt_util.h
@@ -65,6 +65,9 @@ struct mgmt_pending_cmd *mgmt_pending_new(struct sock *sk, u16 opcode,
 					  void *data, u16 len);
 void mgmt_pending_free(struct mgmt_pending_cmd *cmd);
 void mgmt_pending_remove(struct mgmt_pending_cmd *cmd);
+bool __mgmt_pending_listed(struct hci_dev *hdev, struct mgmt_pending_cmd *cmd);
+bool mgmt_pending_listed(struct hci_dev *hdev, struct mgmt_pending_cmd *cmd);
+bool mgmt_pending_valid(struct hci_dev *hdev, struct mgmt_pending_cmd *cmd);
 void mgmt_mesh_foreach(struct hci_dev *hdev,
 		       void (*cb)(struct mgmt_mesh_tx *mesh_tx, void *data),
 		       void *data, struct sock *sk);
diff --git a/net/bridge/br_arp_nd_proxy.c b/net/bridge/br_arp_nd_proxy.c
index f033a5167560..985aaf7ff156 100644
--- a/net/bridge/br_arp_nd_proxy.c
+++ b/net/bridge/br_arp_nd_proxy.c
@@ -199,11 +199,12 @@ void br_do_proxy_suppress_arp(struct sk_buff *skb, struct net_bridge *br,
 
 		f = br_fdb_find_rcu(br, n->ha, vid);
 		if (f) {
+			const struct net_bridge_port *dst = READ_ONCE(f->dst);
 			bool replied = false;
 
 			if ((p && (p->flags & BR_PROXYARP)) ||
-			    (f->dst && (f->dst->flags & BR_PROXYARP_WIFI)) ||
-			    br_is_neigh_suppress_enabled(f->dst, vid)) {
+			    (dst && (dst->flags & BR_PROXYARP_WIFI)) ||
+			    br_is_neigh_suppress_enabled(dst, vid)) {
 				if (!vid)
 					br_arp_send(br, p, skb->dev, sip, tip,
 						    sha, n->ha, sha, 0, 0);
@@ -463,9 +464,10 @@ void br_do_suppress_nd(struct sk_buff *skb, struct net_bridge *br,
 
 		f = br_fdb_find_rcu(br, n->ha, vid);
 		if (f) {
+			const struct net_bridge_port *dst = READ_ONCE(f->dst);
 			bool replied = false;
 
-			if (br_is_neigh_suppress_enabled(f->dst, vid)) {
+			if (br_is_neigh_suppress_enabled(dst, vid)) {
 				if (vid != 0)
 					br_nd_send(br, p, skb, n,
 						   skb->vlan_proto,
diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c
index fa2970db2130..0a51f648c57e 100644
--- a/net/bridge/br_fdb.c
+++ b/net/bridge/br_fdb.c
@@ -246,6 +246,7 @@ struct net_device *br_fdb_find_port(const struct net_device *br_dev,
 				    const unsigned char *addr,
 				    __u16 vid)
 {
+	const struct net_bridge_port *dst;
 	struct net_bridge_fdb_entry *f;
 	struct net_device *dev = NULL;
 	struct net_bridge *br;
@@ -258,8 +259,11 @@ struct net_device *br_fdb_find_port(const struct net_device *br_dev,
 	br = netdev_priv(br_dev);
 	rcu_read_lock();
 	f = br_fdb_find_rcu(br, addr, vid);
-	if (f && f->dst)
-		dev = f->dst->dev;
+	if (f) {
+		dst = READ_ONCE(f->dst);
+		if (dst)
+			dev = dst->dev;
+	}
 	rcu_read_unlock();
 
 	return dev;
@@ -349,7 +353,7 @@ static void fdb_delete_local(struct net_bridge *br,
 		vg = nbp_vlan_group(op);
 		if (op != p && ether_addr_equal(op->dev->dev_addr, addr) &&
 		    (!vid || br_vlan_find(vg, vid))) {
-			f->dst = op;
+			WRITE_ONCE(f->dst, op);
 			clear_bit(BR_FDB_ADDED_BY_USER, &f->flags);
 			return;
 		}
@@ -360,7 +364,7 @@ static void fdb_delete_local(struct net_bridge *br,
 	/* Maybe bridge device has same hw addr? */
 	if (p && ether_addr_equal(br->dev->dev_addr, addr) &&
 	    (!vid || (v && br_vlan_should_use(v)))) {
-		f->dst = NULL;
+		WRITE_ONCE(f->dst, NULL);
 		clear_bit(BR_FDB_ADDED_BY_USER, &f->flags);
 		return;
 	}
@@ -790,6 +794,7 @@ int br_fdb_test_addr(struct net_device *dev, unsigned char *addr)
 int br_fdb_fillbuf(struct net_bridge *br, void *buf,
 		   unsigned long maxnum, unsigned long skip)
 {
+	const struct net_bridge_port *dst;
 	struct net_bridge_fdb_entry *f;
 	struct __fdb_entry *fe = buf;
 	unsigned long delta;
@@ -806,7 +811,8 @@ int br_fdb_fillbuf(struct net_bridge *br, void *buf,
 			continue;
 
 		/* ignore pseudo entry for local MAC address */
-		if (!f->dst)
+		dst = READ_ONCE(f->dst);
+		if (!dst)
 			continue;
 
 		if (skip) {
@@ -818,8 +824,8 @@ int br_fdb_fillbuf(struct net_bridge *br, void *buf,
 		memcpy(fe->mac_addr, f->key.addr.addr, ETH_ALEN);
 
 		/* due to ABI compat need to split into hi/lo */
-		fe->port_no = f->dst->port_no;
-		fe->port_hi = f->dst->port_no >> 8;
+		fe->port_no = dst->port_no;
+		fe->port_hi = dst->port_no >> 8;
 
 		fe->is_local = test_bit(BR_FDB_LOCAL, &f->flags);
 		if (!test_bit(BR_FDB_STATIC, &f->flags)) {
@@ -940,9 +946,11 @@ int br_fdb_dump(struct sk_buff *skb,
 
 	rcu_read_lock();
 	hlist_for_each_entry_rcu(f, &br->fdb_list, fdb_node) {
+		const struct net_bridge_port *dst = READ_ONCE(f->dst);
+
 		if (*idx < cb->args[2])
 			goto skip;
-		if (filter_dev && (!f->dst || f->dst->dev != filter_dev)) {
+		if (filter_dev && (!dst || dst->dev != filter_dev)) {
 			if (filter_dev != dev)
 				goto skip;
 			/* !f->dst is a special case for bridge
@@ -950,10 +958,10 @@ int br_fdb_dump(struct sk_buff *skb,
 			 * Therefore need a little more filtering
 			 * we only want to dump the !f->dst case
 			 */
-			if (f->dst)
+			if (dst)
 				goto skip;
 		}
-		if (!filter_dev && f->dst)
+		if (!filter_dev && dst)
 			goto skip;
 
 		err = fdb_fill_info(skb, br, f,
diff --git a/net/caif/cfsrvl.c b/net/caif/cfsrvl.c
index 9cef9496a707..9a474d99bae8 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;
-	servl = container_obj(adap_layer->dn);
+
+	serv_layer = adap_layer->dn;
+	if (!serv_layer)
+		return;
+
+	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/ceph/auth.c b/net/ceph/auth.c
index 0d75679c6a7e..06d0d73309c2 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/mon_client.c b/net/ceph/mon_client.c
index 290fd7ab125f..9608072863dc 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/core/flow_dissector.c b/net/core/flow_dissector.c
index aafa754b6cba..9432e5362b44 100644
--- a/net/core/flow_dissector.c
+++ b/net/core/flow_dissector.c
@@ -1350,16 +1350,13 @@ bool __skb_flow_dissect(const struct net *net,
 			break;
 		}
 
-		/* least significant bit of the most significant octet
-		 * indicates if protocol field was compressed
+		/* 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);
-		if (ppp_proto & 0x0100) {
-			ppp_proto = ppp_proto >> 8;
-			nhoff += PPPOE_SES_HLEN - 1;
-		} else {
-			nhoff += PPPOE_SES_HLEN;
-		}
+		nhoff += PPPOE_SES_HLEN;
 
 		if (ppp_proto == PPP_IP) {
 			proto = htons(ETH_P_IP);
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index acb3a8e19743..350705730f76 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1362,6 +1362,7 @@ 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/ipv4/ah4.c b/net/ipv4/ah4.c
index 015c0f4ec5ba..9f00d251770d 100644
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -27,9 +27,7 @@ static void *ah_alloc_tmp(struct crypto_ahash *ahash, int nfrags,
 {
 	unsigned int len;
 
-	len = size + crypto_ahash_digestsize(ahash) +
-	      (crypto_ahash_alignmask(ahash) &
-	       ~(crypto_tfm_ctx_alignment() - 1));
+	len = size + crypto_ahash_digestsize(ahash);
 
 	len = ALIGN(len, crypto_tfm_ctx_alignment());
 
@@ -46,10 +44,9 @@ static inline u8 *ah_tmp_auth(void *tmp, unsigned int offset)
 	return tmp + offset;
 }
 
-static inline u8 *ah_tmp_icv(struct crypto_ahash *ahash, void *tmp,
-			     unsigned int offset)
+static inline u8 *ah_tmp_icv(void *tmp, unsigned int offset)
 {
-	return PTR_ALIGN((u8 *)tmp + offset, crypto_ahash_alignmask(ahash) + 1);
+	return tmp + offset;
 }
 
 static inline struct ahash_request *ah_tmp_req(struct crypto_ahash *ahash,
@@ -127,9 +124,14 @@ static void ah_output_done(void *data, int err)
 	struct iphdr *top_iph = ip_hdr(skb);
 	struct ip_auth_hdr *ah = ip_auth_hdr(skb);
 	int ihl = ip_hdrlen(skb);
+	int seqhi_len = 0;
+	__be32 *seqhi;
 
+	if (x->props.flags & XFRM_STATE_ESN)
+		seqhi_len = sizeof(*seqhi);
 	iph = AH_SKB_CB(skb)->tmp;
-	icv = ah_tmp_icv(ahp->ahash, iph, ihl);
+	seqhi = (__be32 *)((char *)iph + ihl);
+	icv = ah_tmp_icv(seqhi, seqhi_len);
 	memcpy(ah->auth_data, icv, ahp->icv_trunc_len);
 
 	top_iph->tos = iph->tos;
@@ -182,7 +184,7 @@ static int ah_output(struct xfrm_state *x, struct sk_buff *skb)
 	if (!iph)
 		goto out;
 	seqhi = (__be32 *)((char *)iph + ihl);
-	icv = ah_tmp_icv(ahash, seqhi, seqhi_len);
+	icv = ah_tmp_icv(seqhi, seqhi_len);
 	req = ah_tmp_req(ahash, icv);
 	sg = ah_req_sg(ahash, req);
 	seqhisg = sg + nfrags;
@@ -273,13 +275,18 @@ static void ah_input_done(void *data, int err)
 	struct ip_auth_hdr *ah = ip_auth_hdr(skb);
 	int ihl = ip_hdrlen(skb);
 	int ah_hlen = (ah->hdrlen + 2) << 2;
+	int seqhi_len = 0;
+	__be32 *seqhi;
 
 	if (err)
 		goto out;
 
+	if (x->props.flags & XFRM_STATE_ESN)
+		seqhi_len = sizeof(*seqhi);
 	work_iph = AH_SKB_CB(skb)->tmp;
-	auth_data = ah_tmp_auth(work_iph, ihl);
-	icv = ah_tmp_icv(ahp->ahash, auth_data, ahp->icv_trunc_len);
+	seqhi = (__be32 *)((char *)work_iph + ihl);
+	auth_data = ah_tmp_auth(seqhi, seqhi_len);
+	icv = ah_tmp_icv(auth_data, ahp->icv_trunc_len);
 
 	err = crypto_memneq(icv, auth_data, ahp->icv_trunc_len) ? -EBADMSG : 0;
 	if (err)
@@ -374,7 +381,7 @@ static int ah_input(struct xfrm_state *x, struct sk_buff *skb)
 
 	seqhi = (__be32 *)((char *)work_iph + ihl);
 	auth_data = ah_tmp_auth(seqhi, seqhi_len);
-	icv = ah_tmp_icv(ahash, auth_data, ahp->icv_trunc_len);
+	icv = ah_tmp_icv(auth_data, ahp->icv_trunc_len);
 	req = ah_tmp_req(ahash, icv);
 	sg = ah_req_sg(ahash, req);
 	seqhisg = sg + nfrags;
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index 3171392c8c06..3fcf11f83d87 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>
@@ -359,7 +360,9 @@ 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;
 }
@@ -515,6 +518,9 @@ static struct rtable *icmp_route_lookup(struct net *net, struct flowi4 *fl4,
 	if (!IS_ERR(rt)) {
 		if (rt != rt2)
 			return rt;
+		if (inet_addr_type_dev_table(net, route_lookup_dev,
+					     fl4->daddr) == RTN_LOCAL)
+			return rt;
 	} else if (PTR_ERR(rt) == -EPERM) {
 		rt = NULL;
 	} else
diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index 7ac315b93bc6..a6f9192b4e53 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -1429,16 +1429,19 @@ 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/ipv6/ah6.c b/net/ipv6/ah6.c
index 5361e2107458..c6f1ad058dd2 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -79,9 +79,7 @@ static void *ah_alloc_tmp(struct crypto_ahash *ahash, int nfrags,
 {
 	unsigned int len;
 
-	len = size + crypto_ahash_digestsize(ahash) +
-	      (crypto_ahash_alignmask(ahash) &
-	       ~(crypto_tfm_ctx_alignment() - 1));
+	len = size + crypto_ahash_digestsize(ahash);
 
 	len = ALIGN(len, crypto_tfm_ctx_alignment());
 
@@ -103,10 +101,9 @@ static inline u8 *ah_tmp_auth(u8 *tmp, unsigned int offset)
 	return tmp + offset;
 }
 
-static inline u8 *ah_tmp_icv(struct crypto_ahash *ahash, void *tmp,
-			     unsigned int offset)
+static inline u8 *ah_tmp_icv(void *tmp, unsigned int offset)
 {
-	return PTR_ALIGN((u8 *)tmp + offset, crypto_ahash_alignmask(ahash) + 1);
+	return tmp + offset;
 }
 
 static inline struct ahash_request *ah_tmp_req(struct crypto_ahash *ahash,
@@ -320,14 +317,19 @@ static void ah6_output_done(void *data, int err)
 	struct ipv6hdr *top_iph = ipv6_hdr(skb);
 	struct ip_auth_hdr *ah = ip_auth_hdr(skb);
 	struct tmp_ext *iph_ext;
+	int seqhi_len = 0;
+	__be32 *seqhi;
 
 	extlen = skb_network_header_len(skb) - sizeof(struct ipv6hdr);
 	if (extlen)
 		extlen += sizeof(*iph_ext);
 
+	if (x->props.flags & XFRM_STATE_ESN)
+		seqhi_len = sizeof(*seqhi);
 	iph_base = AH_SKB_CB(skb)->tmp;
 	iph_ext = ah_tmp_ext(iph_base);
-	icv = ah_tmp_icv(ahp->ahash, iph_ext, extlen);
+	seqhi = (__be32 *)((char *)iph_ext + extlen);
+	icv = ah_tmp_icv(seqhi, seqhi_len);
 
 	memcpy(ah->auth_data, icv, ahp->icv_trunc_len);
 	memcpy(top_iph, iph_base, IPV6HDR_BASELEN);
@@ -384,7 +386,7 @@ static int ah6_output(struct xfrm_state *x, struct sk_buff *skb)
 
 	iph_ext = ah_tmp_ext(iph_base);
 	seqhi = (__be32 *)((char *)iph_ext + extlen);
-	icv = ah_tmp_icv(ahash, seqhi, seqhi_len);
+	icv = ah_tmp_icv(seqhi, seqhi_len);
 	req = ah_tmp_req(ahash, icv);
 	sg = ah_req_sg(ahash, req);
 	seqhisg = sg + nfrags;
@@ -474,13 +476,18 @@ static void ah6_input_done(void *data, int err)
 	struct ip_auth_hdr *ah = ip_auth_hdr(skb);
 	int hdr_len = skb_network_header_len(skb);
 	int ah_hlen = ipv6_authlen(ah);
+	int seqhi_len = 0;
+	__be32 *seqhi;
 
 	if (err)
 		goto out;
 
+	if (x->props.flags & XFRM_STATE_ESN)
+		seqhi_len = sizeof(*seqhi);
 	work_iph = AH_SKB_CB(skb)->tmp;
 	auth_data = ah_tmp_auth(work_iph, hdr_len);
-	icv = ah_tmp_icv(ahp->ahash, auth_data, ahp->icv_trunc_len);
+	seqhi = (__be32 *)(auth_data + ahp->icv_trunc_len);
+	icv = ah_tmp_icv(seqhi, seqhi_len);
 
 	err = crypto_memneq(icv, auth_data, ahp->icv_trunc_len) ? -EBADMSG : 0;
 	if (err)
@@ -588,7 +595,7 @@ static int ah6_input(struct xfrm_state *x, struct sk_buff *skb)
 
 	auth_data = ah_tmp_auth((u8 *)work_iph, hdr_len);
 	seqhi = (__be32 *)(auth_data + ahp->icv_trunc_len);
-	icv = ah_tmp_icv(ahash, seqhi, seqhi_len);
+	icv = ah_tmp_icv(seqhi, seqhi_len);
 	req = ah_tmp_req(ahash, icv);
 	sg = ah_req_sg(ahash, req);
 	seqhisg = sg + nfrags;
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index a8790163e8b6..54e71623aac9 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -491,6 +491,7 @@ static int ipv6_rpl_srh_rcv(struct sk_buff *skb)
 	struct net *net = dev_net(skb->dev);
 	struct inet6_dev *idev;
 	struct ipv6hdr *oldhdr;
+	unsigned int chdr_len;
 	unsigned char *buf;
 	int accept_rpl_seg;
 	int i, err;
@@ -594,8 +595,10 @@ static int ipv6_rpl_srh_rcv(struct sk_buff *skb)
 	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);
@@ -605,7 +608,7 @@ static int ipv6_rpl_srh_rcv(struct sk_buff *skb)
 
 		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/ip6_gre.c b/net/ipv6/ip6_gre.c
index 63ac4a8e095b..b10d2e59d8c4 100644
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -2299,10 +2299,11 @@ 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/rpl_iptunnel.c b/net/ipv6/rpl_iptunnel.c
index 523aa8c9b382..702509dffd7c 100644
--- a/net/ipv6/rpl_iptunnel.c
+++ b/net/ipv6/rpl_iptunnel.c
@@ -282,7 +282,16 @@ 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_iptunnel.c b/net/ipv6/seg6_iptunnel.c
index 50bc05b85329..6fb1f99c5412 100644
--- a/net/ipv6/seg6_iptunnel.c
+++ b/net/ipv6/seg6_iptunnel.c
@@ -496,7 +496,16 @@ 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) {
@@ -711,7 +720,8 @@ 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 ea2f805d3b01..9b586fcec485 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/mac80211/mlme.c b/net/mac80211/mlme.c
index 77da0bd5891e..496f2b36a0be 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -6940,7 +6940,7 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
 	struct ieee80211_bss *bss = (void *)cbss->priv;
 	struct sta_info *new_sta = NULL;
 	struct ieee80211_link_data *link;
-	bool have_sta = false;
+	struct sta_info *have_sta = NULL;
 	bool mlo;
 	int err;
 
@@ -6978,11 +6978,8 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
 		goto out_err;
 	}
 
-	if (assoc) {
-		rcu_read_lock();
+	if (assoc)
 		have_sta = sta_info_get(sdata, ap_mld_addr);
-		rcu_read_unlock();
-	}
 
 	if (!have_sta) {
 		if (mlo)
@@ -7106,6 +7103,8 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata,
 out_release_chan:
 	ieee80211_link_release_channel(link);
 out_err:
+	if (mlo && have_sta)
+		WARN_ON(__sta_info_destroy(have_sta));
 	ieee80211_vif_set_links(sdata, 0, 0);
 	return err;
 }
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 6bfd262dce26..a716a055bff9 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -4820,7 +4820,7 @@ static bool ieee80211_invoke_fast_rx(struct ieee80211_rx_data *rx,
 	struct sk_buff *skb = rx->skb;
 	struct ieee80211_hdr *hdr = (void *)skb->data;
 	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
-	static ieee80211_rx_result res;
+	ieee80211_rx_result res;
 	int orig_len = skb->len;
 	int hdrlen = ieee80211_hdrlen(hdr->frame_control);
 	int snap_offs = hdrlen;
diff --git a/net/mctp/route.c b/net/mctp/route.c
index 59fbc54d8e66..a565cf2bc733 100644
--- a/net/mctp/route.c
+++ b/net/mctp/route.c
@@ -335,6 +335,7 @@ static int mctp_route_input(struct mctp_route *route, struct sk_buff *skb)
 	unsigned long f;
 	u8 tag, flags;
 	int rc;
+	u8 ver;
 
 	msk = NULL;
 	rc = -EINVAL;
@@ -357,7 +358,8 @@ static int mctp_route_input(struct mctp_route *route, struct sk_buff *skb)
 	mh = mctp_hdr(skb);
 	skb_pull(skb, sizeof(struct mctp_hdr));
 
-	if (mh->ver != 1)
+	ver = mh->ver & MCTP_HDR_VER_MASK;
+	if (ver < MCTP_VER_MIN || ver > MCTP_VER_MAX)
 		goto out;
 
 	flags = mh->flags_seq_tag & (MCTP_HDR_FLAG_SOM | MCTP_HDR_FLAG_EOM);
@@ -1124,6 +1126,7 @@ static int mctp_pkttype_receive(struct sk_buff *skb, struct net_device *dev,
 	struct mctp_skb_cb *cb;
 	struct mctp_route *rt;
 	struct mctp_hdr *mh;
+	u8 ver;
 
 	rcu_read_lock();
 	mdev = __mctp_dev_get(dev);
@@ -1141,7 +1144,8 @@ static int mctp_pkttype_receive(struct sk_buff *skb, struct net_device *dev,
 
 	/* We have enough for a header; decode and route */
 	mh = mctp_hdr(skb);
-	if (mh->ver < MCTP_VER_MIN || mh->ver > MCTP_VER_MAX)
+	ver = mh->ver & MCTP_HDR_VER_MASK;
+	if (ver < MCTP_VER_MIN || ver > MCTP_VER_MAX)
 		goto err_drop;
 
 	/* source must be valid unicast or null; drop reserved ranges and
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index 6bf6bd741cba..71995d00696e 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -3177,7 +3177,8 @@ bool __mptcp_close(struct sock *sk, long timeout)
 		goto cleanup;
 	}
 
-	if (mptcp_data_avail(msk) || timeout < 0) {
+	if (mptcp_data_avail(msk) || timeout < 0 ||
+	    (sock_flag(sk, SOCK_LINGER) && !sk->sk_lingertime)) {
 		/* If the msk has read data, or the caller explicitly ask it,
 		 * do the MPTCP equivalent of TCP reset, aka MPTCP fastclose
 		 */
diff --git a/net/mptcp/sockopt.c b/net/mptcp/sockopt.c
index b31ba9f905e3..b5bf47218a18 100644
--- a/net/mptcp/sockopt.c
+++ b/net/mptcp/sockopt.c
@@ -159,10 +159,10 @@ 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);
@@ -235,10 +235,10 @@ 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 36c6d76f18df..49be98ffd1de 100644
--- a/net/mptcp/subflow.c
+++ b/net/mptcp/subflow.c
@@ -558,7 +558,7 @@ 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;
 		}
@@ -885,7 +885,7 @@ static struct sock *subflow_syn_recv_sock(const struct sock *sk,
 
 			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/nft_bitwise.c b/net/netfilter/nft_bitwise.c
index 7de95674fd8c..2cfb0104680c 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/openvswitch/vport-netdev.c b/net/openvswitch/vport-netdev.c
index 68d38c12427c..ca9cee48d152 100644
--- a/net/openvswitch/vport-netdev.c
+++ b/net/openvswitch/vport-netdev.c
@@ -189,9 +189,13 @@ void ovs_netdev_tunnel_destroy(struct vport *vport)
 	 */
 	if (vport->dev->reg_state == NETREG_REGISTERED)
 		rtnl_delete_link(vport->dev, 0, NULL);
-	rtnl_unlock();
 
+	/* We can't put the device reference yet, since it can still be in
+	 * use, but rtnl_unlock()->netdev_run_todo() will block until all
+	 * the references are released, so the RCU call must be before it.
+	 */
 	call_rcu(&vport->rcu, vport_netdev_free);
+	rtnl_unlock();
 }
 EXPORT_SYMBOL_GPL(ovs_netdev_tunnel_destroy);
 
diff --git a/net/qrtr/ns.c b/net/qrtr/ns.c
index 654a3cc0d347..ecf49172307f 100644
--- a/net/qrtr/ns.c
+++ b/net/qrtr/ns.c
@@ -22,8 +22,10 @@ static struct {
 	struct socket *sock;
 	struct sockaddr_qrtr bcast_sq;
 	struct list_head lookups;
+	u32 lookup_count;
 	struct workqueue_struct *workqueue;
 	struct work_struct work;
+	void (*saved_data_ready)(struct sock *sk);
 	int local_node;
 } qrtr_ns;
 
@@ -67,8 +69,26 @@ struct qrtr_server {
 struct qrtr_node {
 	unsigned int id;
 	struct xarray servers;
+	u32 server_count;
 };
 
+/* Max server limit is chosen based on the current platform requirements. If the
+ * requirement changes in the future, this value can be increased.
+ */
+#define QRTR_NS_MAX_SERVERS 256
+
+/* Max lookup limit is chosen based on the current platform requirements. If the
+ * requirement changes in the future, this value can be increased.
+ */
+#define QRTR_NS_MAX_LOOKUPS 64
+
+/* Max nodes limit is chosen based on the current platform requirements.
+ * If the requirement changes in the future, this value can be increased.
+ */
+#define QRTR_NS_MAX_NODES   64
+
+static u8 node_count;
+
 static struct qrtr_node *node_get(unsigned int node_id)
 {
 	struct qrtr_node *node;
@@ -77,6 +97,11 @@ static struct qrtr_node *node_get(unsigned int node_id)
 	if (node)
 		return node;
 
+	if (node_count >= QRTR_NS_MAX_NODES) {
+		pr_err_ratelimited("QRTR clients exceed max node limit!\n");
+		return NULL;
+	}
+
 	/* If node didn't exist, allocate and insert it to the tree */
 	node = kzalloc(sizeof(*node), GFP_KERNEL);
 	if (!node)
@@ -90,6 +115,8 @@ static struct qrtr_node *node_get(unsigned int node_id)
 		return NULL;
 	}
 
+	node_count++;
+
 	return node;
 }
 
@@ -226,6 +253,17 @@ static struct qrtr_server *server_add(unsigned int service,
 	if (!service || !port)
 		return NULL;
 
+	node = node_get(node_id);
+	if (!node)
+		return NULL;
+
+	/* Make sure the new servers per port are capped at the maximum value */
+	old = xa_load(&node->servers, port);
+	if (!old && node->server_count >= QRTR_NS_MAX_SERVERS) {
+		pr_err_ratelimited("QRTR client node %u exceeds max server limit!\n", node_id);
+		return NULL;
+	}
+
 	srv = kzalloc(sizeof(*srv), GFP_KERNEL);
 	if (!srv)
 		return NULL;
@@ -235,10 +273,6 @@ static struct qrtr_server *server_add(unsigned int service,
 	srv->node = node_id;
 	srv->port = port;
 
-	node = node_get(node_id);
-	if (!node)
-		goto err;
-
 	/* Delete the old server on the same port */
 	old = xa_store(&node->servers, port, srv, GFP_KERNEL);
 	if (old) {
@@ -249,6 +283,8 @@ static struct qrtr_server *server_add(unsigned int service,
 		} else {
 			kfree(old);
 		}
+	} else {
+		node->server_count++;
 	}
 
 	trace_qrtr_ns_server_add(srv->service, srv->instance,
@@ -289,6 +325,7 @@ static int server_del(struct qrtr_node *node, unsigned int port, bool bcast)
 	}
 
 	kfree(srv);
+	node->server_count--;
 
 	return 0;
 }
@@ -338,7 +375,7 @@ static int ctrl_cmd_bye(struct sockaddr_qrtr *from)
 	struct qrtr_node *node;
 	unsigned long index;
 	struct kvec iv;
-	int ret;
+	int ret = 0;
 
 	iv.iov_base = &pkt;
 	iv.iov_len = sizeof(pkt);
@@ -353,8 +390,10 @@ static int ctrl_cmd_bye(struct sockaddr_qrtr *from)
 
 	/* Advertise the removal of this client to all local servers */
 	local_node = node_get(qrtr_ns.local_node);
-	if (!local_node)
-		return 0;
+	if (!local_node) {
+		ret = 0;
+		goto delete_node;
+	}
 
 	memset(&pkt, 0, sizeof(pkt));
 	pkt.cmd = cpu_to_le32(QRTR_TYPE_BYE);
@@ -371,10 +410,19 @@ static int ctrl_cmd_bye(struct sockaddr_qrtr *from)
 		ret = kernel_sendmsg(qrtr_ns.sock, &msg, &iv, 1, sizeof(pkt));
 		if (ret < 0) {
 			pr_err("failed to send bye cmd\n");
-			return ret;
+			goto delete_node;
 		}
 	}
-	return 0;
+
+	/* Ignore -ENODEV */
+	ret = 0;
+
+delete_node:
+	xa_erase(&nodes, from->sq_node);
+	kfree(node);
+	node_count--;
+
+	return ret;
 }
 
 static int ctrl_cmd_del_client(struct sockaddr_qrtr *from,
@@ -414,6 +462,7 @@ static int ctrl_cmd_del_client(struct sockaddr_qrtr *from,
 
 		list_del(&lookup->li);
 		kfree(lookup);
+		qrtr_ns.lookup_count--;
 	}
 
 	/* Remove the server belonging to this port but don't broadcast
@@ -531,6 +580,11 @@ static int ctrl_cmd_new_lookup(struct sockaddr_qrtr *from,
 	if (from->sq_node != qrtr_ns.local_node)
 		return -EINVAL;
 
+	if (qrtr_ns.lookup_count >= QRTR_NS_MAX_LOOKUPS) {
+		pr_err_ratelimited("QRTR client node exceeds max lookup limit!\n");
+		return -ENOSPC;
+	}
+
 	lookup = kzalloc(sizeof(*lookup), GFP_KERNEL);
 	if (!lookup)
 		return -ENOMEM;
@@ -539,6 +593,7 @@ static int ctrl_cmd_new_lookup(struct sockaddr_qrtr *from,
 	lookup->service = service;
 	lookup->instance = instance;
 	list_add_tail(&lookup->li, &qrtr_ns.lookups);
+	qrtr_ns.lookup_count++;
 
 	memset(&filter, 0, sizeof(filter));
 	filter.service = service;
@@ -579,6 +634,7 @@ static void ctrl_cmd_del_lookup(struct sockaddr_qrtr *from,
 
 		list_del(&lookup->li);
 		kfree(lookup);
+		qrtr_ns.lookup_count--;
 	}
 }
 
@@ -667,7 +723,7 @@ static void qrtr_ns_worker(struct work_struct *work)
 		}
 
 		if (ret < 0)
-			pr_err("failed while handling packet from %d:%d",
+			pr_err_ratelimited("failed while handling packet from %d:%d",
 			       sq.sq_node, sq.sq_port);
 	}
 
@@ -706,6 +762,7 @@ 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;
@@ -746,6 +803,10 @@ 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);
@@ -755,7 +816,12 @@ 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/message.c b/net/rds/message.c
index 7af59d2443e5..921d89973b93 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);
 
diff --git a/net/rds/rdma.c b/net/rds/rdma.c
index 00dbcd4d28e6..34d9333e4229 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/ar-internal.h b/net/rxrpc/ar-internal.h
index f4512761f572..1db479f3d6d3 100644
--- a/net/rxrpc/ar-internal.h
+++ b/net/rxrpc/ar-internal.h
@@ -1269,7 +1269,6 @@ int rxrpc_server_keyring(struct rxrpc_sock *, sockptr_t, int);
 void rxrpc_kernel_data_consumed(struct rxrpc_call *, struct sk_buff *);
 void rxrpc_new_skb(struct sk_buff *, enum rxrpc_skb_trace);
 void rxrpc_see_skb(struct sk_buff *, enum rxrpc_skb_trace);
-void rxrpc_eaten_skb(struct sk_buff *, enum rxrpc_skb_trace);
 void rxrpc_get_skb(struct sk_buff *, enum rxrpc_skb_trace);
 void rxrpc_free_skb(struct sk_buff *, enum rxrpc_skb_trace);
 void rxrpc_purge_queue(struct sk_buff_head *);
diff --git a/net/rxrpc/call_event.c b/net/rxrpc/call_event.c
index 0f78544d043b..07b2d81145d6 100644
--- a/net/rxrpc/call_event.c
+++ b/net/rxrpc/call_event.c
@@ -456,8 +456,31 @@ bool rxrpc_input_call_event(struct rxrpc_call *call, struct sk_buff *skb)
 		resend = true;
 	}
 
-	if (skb)
-		rxrpc_input_call_packet(call, skb);
+	if (skb) {
+		struct rxrpc_skb_priv *sp = rxrpc_skb(skb);
+
+		if (sp->hdr.type == RXRPC_PACKET_TYPE_DATA &&
+		    sp->hdr.securityIndex != 0 &&
+		    (skb_cloned(skb) ||
+		     skb_has_frag_list(skb) ||
+		     skb_has_shared_frag(skb))) {
+			/* Unshare the packet so that it can be modified by
+			 * in-place decryption.
+			 */
+			struct sk_buff *nskb = skb_copy(skb, GFP_ATOMIC);
+
+			if (nskb) {
+				rxrpc_new_skb(nskb, rxrpc_skb_new_unshared);
+				rxrpc_input_call_packet(call, nskb);
+				rxrpc_free_skb(nskb, rxrpc_skb_put_input);
+			} else {
+				/* OOM - Drop the packet. */
+				rxrpc_see_skb(skb, rxrpc_skb_see_unshare_nomem);
+			}
+		} else {
+			rxrpc_input_call_packet(call, skb);
+		}
+	}
 
 	rxrpc_transmit_some_data(call);
 
diff --git a/net/rxrpc/conn_event.c b/net/rxrpc/conn_event.c
index 6ef2dc1aa8cc..3a58fb921038 100644
--- a/net/rxrpc/conn_event.c
+++ b/net/rxrpc/conn_event.c
@@ -226,6 +226,34 @@ static void rxrpc_call_is_secure(struct rxrpc_call *call)
 		rxrpc_notify_socket(call);
 }
 
+static int rxrpc_verify_response(struct rxrpc_connection *conn,
+				 struct sk_buff *skb)
+{
+	int ret;
+
+	if (skb_cloned(skb) || skb_has_frag_list(skb) ||
+	    skb_has_shared_frag(skb)) {
+		/* Copy the packet if shared so that we can do in-place
+		 * decryption.
+		 */
+		struct sk_buff *nskb = skb_copy(skb, GFP_NOFS);
+
+		if (nskb) {
+			rxrpc_new_skb(nskb, rxrpc_skb_new_unshared);
+			ret = conn->security->verify_response(conn, nskb);
+			rxrpc_free_skb(nskb, rxrpc_skb_put_response_copy);
+		} else {
+			/* OOM - Drop the packet. */
+			rxrpc_see_skb(skb, rxrpc_skb_see_unshare_nomem);
+			ret = -ENOMEM;
+		}
+	} else {
+		ret = conn->security->verify_response(conn, skb);
+	}
+
+	return ret;
+}
+
 /*
  * connection-level Rx packet processor
  */
@@ -253,7 +281,7 @@ static int rxrpc_process_event(struct rxrpc_connection *conn,
 		}
 		spin_unlock(&conn->state_lock);
 
-		ret = conn->security->verify_response(conn, skb);
+		ret = rxrpc_verify_response(conn, skb);
 		if (ret < 0)
 			return ret;
 
@@ -344,7 +372,6 @@ void rxrpc_process_delayed_final_acks(struct rxrpc_connection *conn, bool force)
 static void rxrpc_do_process_connection(struct rxrpc_connection *conn)
 {
 	struct sk_buff *skb;
-	int ret;
 
 	if (test_and_clear_bit(RXRPC_CONN_EV_CHALLENGE, &conn->events))
 		rxrpc_secure_connection(conn);
@@ -353,17 +380,8 @@ static void rxrpc_do_process_connection(struct rxrpc_connection *conn)
 	 * connection that each one has when we've finished with it */
 	while ((skb = skb_dequeue(&conn->rx_queue))) {
 		rxrpc_see_skb(skb, rxrpc_skb_see_conn_work);
-		ret = rxrpc_process_event(conn, skb);
-		switch (ret) {
-		case -ENOMEM:
-		case -EAGAIN:
-			skb_queue_head(&conn->rx_queue, skb);
-			rxrpc_queue_conn(conn, rxrpc_conn_queue_retry_work);
-			break;
-		default:
-			rxrpc_free_skb(skb, rxrpc_skb_put_conn_work);
-			break;
-		}
+		rxrpc_process_event(conn, skb);
+		rxrpc_free_skb(skb, rxrpc_skb_put_conn_work);
 	}
 }
 
diff --git a/net/rxrpc/io_thread.c b/net/rxrpc/io_thread.c
index 0491f2bbf61e..f542eda13ff0 100644
--- a/net/rxrpc/io_thread.c
+++ b/net/rxrpc/io_thread.c
@@ -167,13 +167,12 @@ static bool rxrpc_extract_abort(struct sk_buff *skb)
 /*
  * Process packets received on the local endpoint
  */
-static bool rxrpc_input_packet(struct rxrpc_local *local, struct sk_buff **_skb)
+static bool rxrpc_input_packet(struct rxrpc_local *local, struct sk_buff *skb)
 {
 	struct rxrpc_connection *conn;
 	struct sockaddr_rxrpc peer_srx;
 	struct rxrpc_skb_priv *sp;
 	struct rxrpc_peer *peer = NULL;
-	struct sk_buff *skb = *_skb;
 	bool ret = false;
 
 	skb_pull(skb, sizeof(struct udphdr));
@@ -219,25 +218,6 @@ static bool rxrpc_input_packet(struct rxrpc_local *local, struct sk_buff **_skb)
 			return rxrpc_bad_message(skb, rxrpc_badmsg_zero_call);
 		if (sp->hdr.seq == 0)
 			return rxrpc_bad_message(skb, rxrpc_badmsg_zero_seq);
-
-		/* Unshare the packet so that it can be modified for in-place
-		 * decryption.
-		 */
-		if (sp->hdr.securityIndex != 0) {
-			skb = skb_unshare(skb, GFP_ATOMIC);
-			if (!skb) {
-				rxrpc_eaten_skb(*_skb, rxrpc_skb_eaten_by_unshare_nomem);
-				*_skb = NULL;
-				return just_discard;
-			}
-
-			if (skb != *_skb) {
-				rxrpc_eaten_skb(*_skb, rxrpc_skb_eaten_by_unshare);
-				*_skb = skb;
-				rxrpc_new_skb(skb, rxrpc_skb_new_unshared);
-				sp = rxrpc_skb(skb);
-			}
-		}
 		break;
 
 	case RXRPC_PACKET_TYPE_CHALLENGE:
@@ -479,7 +459,7 @@ int rxrpc_io_thread(void *data)
 			switch (skb->mark) {
 			case RXRPC_SKB_MARK_PACKET:
 				skb->priority = 0;
-				if (!rxrpc_input_packet(local, &skb))
+				if (!rxrpc_input_packet(local, skb))
 					rxrpc_reject_packet(local, skb);
 				trace_rxrpc_rx_done(skb->mark, skb->priority);
 				rxrpc_free_skb(skb, rxrpc_skb_put_input);
diff --git a/net/rxrpc/rxkad.c b/net/rxrpc/rxkad.c
index 149939d19b00..e2119af55250 100644
--- a/net/rxrpc/rxkad.c
+++ b/net/rxrpc/rxkad.c
@@ -492,6 +492,9 @@ static int rxkad_verify_packet_2(struct rxrpc_call *call, struct sk_buff *skb,
 		return rxrpc_abort_eproto(call, skb, RXKADSEALEDINCON,
 					  rxkad_abort_2_short_header);
 
+	/* Don't let the crypto algo see a misaligned length. */
+	sp->len = round_down(sp->len, 8);
+
 	/* Decrypt the skbuff in-place.  TODO: We really want to decrypt
 	 * directly into the target buffer.
 	 */
@@ -525,8 +528,10 @@ static int rxkad_verify_packet_2(struct rxrpc_call *call, struct sk_buff *skb,
 	if (sg != _sg)
 		kfree(sg);
 	if (ret < 0) {
-		WARN_ON_ONCE(ret != -ENOMEM);
-		return ret;
+		if (ret == -ENOMEM)
+			return ret;
+		return rxrpc_abort_eproto(call, skb, RXKADSEALEDINCON,
+					  rxkad_abort_2_crypto_unaligned);
 	}
 
 	/* Extract the decrypted packet length */
@@ -1047,7 +1052,7 @@ static int rxkad_verify_response(struct rxrpc_connection *conn,
 	struct rxrpc_crypt session_key;
 	struct key *server_key;
 	time64_t expiry;
-	void *ticket;
+	void *ticket = NULL;
 	u32 version, kvno, ticket_len, level;
 	__be32 csum;
 	int ret, i;
@@ -1073,13 +1078,13 @@ static int rxkad_verify_response(struct rxrpc_connection *conn,
 	ret = -ENOMEM;
 	response = kzalloc(sizeof(struct rxkad_response), GFP_NOFS);
 	if (!response)
-		goto temporary_error;
+		goto error;
 
 	if (skb_copy_bits(skb, sizeof(struct rxrpc_wire_header),
 			  response, sizeof(*response)) < 0) {
-		rxrpc_abort_conn(conn, skb, RXKADPACKETSHORT, -EPROTO,
-				 rxkad_abort_resp_short);
-		goto protocol_error;
+		ret = rxrpc_abort_conn(conn, skb, RXKADPACKETSHORT, -EPROTO,
+				       rxkad_abort_resp_short);
+		goto error;
 	}
 
 	version = ntohl(response->version);
@@ -1089,62 +1094,62 @@ static int rxkad_verify_response(struct rxrpc_connection *conn,
 	trace_rxrpc_rx_response(conn, sp->hdr.serial, version, kvno, ticket_len);
 
 	if (version != RXKAD_VERSION) {
-		rxrpc_abort_conn(conn, skb, RXKADINCONSISTENCY, -EPROTO,
-				 rxkad_abort_resp_version);
-		goto protocol_error;
+		ret = rxrpc_abort_conn(conn, skb, RXKADINCONSISTENCY, -EPROTO,
+				       rxkad_abort_resp_version);
+		goto error;
 	}
 
 	if (ticket_len < 4 || ticket_len > MAXKRB5TICKETLEN) {
-		rxrpc_abort_conn(conn, skb, RXKADTICKETLEN, -EPROTO,
-				 rxkad_abort_resp_tkt_len);
-		goto protocol_error;
+		ret = rxrpc_abort_conn(conn, skb, RXKADTICKETLEN, -EPROTO,
+				       rxkad_abort_resp_tkt_len);
+		goto error;
 	}
 
 	if (kvno >= RXKAD_TKT_TYPE_KERBEROS_V5) {
-		rxrpc_abort_conn(conn, skb, RXKADUNKNOWNKEY, -EPROTO,
-				 rxkad_abort_resp_unknown_tkt);
-		goto protocol_error;
+		ret = rxrpc_abort_conn(conn, skb, RXKADUNKNOWNKEY, -EPROTO,
+				       rxkad_abort_resp_unknown_tkt);
+		goto error;
 	}
 
 	/* extract the kerberos ticket and decrypt and decode it */
 	ret = -ENOMEM;
 	ticket = kmalloc(ticket_len, GFP_NOFS);
 	if (!ticket)
-		goto temporary_error_free_resp;
+		goto error;
 
 	if (skb_copy_bits(skb, sizeof(struct rxrpc_wire_header) + sizeof(*response),
 			  ticket, ticket_len) < 0) {
-		rxrpc_abort_conn(conn, skb, RXKADPACKETSHORT, -EPROTO,
-				 rxkad_abort_resp_short_tkt);
-		goto protocol_error;
+		ret = rxrpc_abort_conn(conn, skb, RXKADPACKETSHORT, -EPROTO,
+				       rxkad_abort_resp_short_tkt);
+		goto error;
 	}
 
 	ret = rxkad_decrypt_ticket(conn, server_key, skb, ticket, ticket_len,
 				   &session_key, &expiry);
 	if (ret < 0)
-		goto temporary_error_free_ticket;
+		goto error;
 
 	/* use the session key from inside the ticket to decrypt the
 	 * response */
 	ret = rxkad_decrypt_response(conn, response, &session_key);
 	if (ret < 0)
-		goto temporary_error_free_ticket;
+		goto error;
 
 	if (ntohl(response->encrypted.epoch) != conn->proto.epoch ||
 	    ntohl(response->encrypted.cid) != conn->proto.cid ||
 	    ntohl(response->encrypted.securityIndex) != conn->security_ix) {
-		rxrpc_abort_conn(conn, skb, RXKADSEALEDINCON, -EPROTO,
-				 rxkad_abort_resp_bad_param);
-		goto protocol_error_free;
+		ret = rxrpc_abort_conn(conn, skb, RXKADSEALEDINCON, -EPROTO,
+				       rxkad_abort_resp_bad_param);
+		goto error;
 	}
 
 	csum = response->encrypted.checksum;
 	response->encrypted.checksum = 0;
 	rxkad_calc_response_checksum(response);
 	if (response->encrypted.checksum != csum) {
-		rxrpc_abort_conn(conn, skb, RXKADSEALEDINCON, -EPROTO,
-				 rxkad_abort_resp_bad_checksum);
-		goto protocol_error_free;
+		ret = rxrpc_abort_conn(conn, skb, RXKADSEALEDINCON, -EPROTO,
+				       rxkad_abort_resp_bad_checksum);
+		goto error;
 	}
 
 	for (i = 0; i < RXRPC_MAXCALLS; i++) {
@@ -1152,38 +1157,38 @@ static int rxkad_verify_response(struct rxrpc_connection *conn,
 		u32 counter = READ_ONCE(conn->channels[i].call_counter);
 
 		if (call_id > INT_MAX) {
-			rxrpc_abort_conn(conn, skb, RXKADSEALEDINCON, -EPROTO,
-					 rxkad_abort_resp_bad_callid);
-			goto protocol_error_free;
+			ret = rxrpc_abort_conn(conn, skb, RXKADSEALEDINCON, -EPROTO,
+					       rxkad_abort_resp_bad_callid);
+			goto error;
 		}
 
 		if (call_id < counter) {
-			rxrpc_abort_conn(conn, skb, RXKADSEALEDINCON, -EPROTO,
-					 rxkad_abort_resp_call_ctr);
-			goto protocol_error_free;
+			ret = rxrpc_abort_conn(conn, skb, RXKADSEALEDINCON, -EPROTO,
+					       rxkad_abort_resp_call_ctr);
+			goto error;
 		}
 
 		if (call_id > counter) {
 			if (conn->channels[i].call) {
-				rxrpc_abort_conn(conn, skb, RXKADSEALEDINCON, -EPROTO,
+				ret = rxrpc_abort_conn(conn, skb, RXKADSEALEDINCON, -EPROTO,
 						 rxkad_abort_resp_call_state);
-				goto protocol_error_free;
+				goto error;
 			}
 			conn->channels[i].call_counter = call_id;
 		}
 	}
 
 	if (ntohl(response->encrypted.inc_nonce) != conn->rxkad.nonce + 1) {
-		rxrpc_abort_conn(conn, skb, RXKADOUTOFSEQUENCE, -EPROTO,
-				 rxkad_abort_resp_ooseq);
-		goto protocol_error_free;
+		ret = rxrpc_abort_conn(conn, skb, RXKADOUTOFSEQUENCE, -EPROTO,
+				       rxkad_abort_resp_ooseq);
+		goto error;
 	}
 
 	level = ntohl(response->encrypted.level);
 	if (level > RXRPC_SECURITY_ENCRYPT) {
-		rxrpc_abort_conn(conn, skb, RXKADLEVELFAIL, -EPROTO,
-				 rxkad_abort_resp_level);
-		goto protocol_error_free;
+		ret = rxrpc_abort_conn(conn, skb, RXKADLEVELFAIL, -EPROTO,
+				       rxkad_abort_resp_level);
+		goto error;
 	}
 	conn->security_level = level;
 
@@ -1191,31 +1196,12 @@ static int rxkad_verify_response(struct rxrpc_connection *conn,
 	 * this the connection security can be handled in exactly the same way
 	 * as for a client connection */
 	ret = rxrpc_get_server_data_key(conn, &session_key, expiry, kvno);
-	if (ret < 0)
-		goto temporary_error_free_ticket;
 
+error:
 	kfree(ticket);
-	kfree(response);
-	_leave(" = 0");
-	return 0;
-
-protocol_error_free:
-	kfree(ticket);
-protocol_error:
 	kfree(response);
 	key_put(server_key);
-	return -EPROTO;
-
-temporary_error_free_ticket:
-	kfree(ticket);
-temporary_error_free_resp:
-	kfree(response);
-temporary_error:
-	/* Ignore the response packet if we got a temporary error such as
-	 * ENOMEM.  We just want to send the challenge again.  Note that we
-	 * also come out this way if the ticket decryption fails.
-	 */
-	key_put(server_key);
+	_leave(" = %d", ret);
 	return ret;
 }
 
diff --git a/net/rxrpc/skbuff.c b/net/rxrpc/skbuff.c
index 3bcd6ee80396..e2169d1a14b5 100644
--- a/net/rxrpc/skbuff.c
+++ b/net/rxrpc/skbuff.c
@@ -46,15 +46,6 @@ void rxrpc_get_skb(struct sk_buff *skb, enum rxrpc_skb_trace why)
 	skb_get(skb);
 }
 
-/*
- * Note the dropping of a ref on a socket buffer by the core.
- */
-void rxrpc_eaten_skb(struct sk_buff *skb, enum rxrpc_skb_trace why)
-{
-	int n = atomic_inc_return(&rxrpc_n_rx_skbs);
-	trace_rxrpc_skb(skb, 0, n, why);
-}
-
 /*
  * Note the destruction of a socket buffer.
  */
diff --git a/net/sched/sch_red.c b/net/sched/sch_red.c
index 3c6b4460cf2c..ea3580d1d19e 100644
--- a/net/sched/sch_red.c
+++ b/net/sched/sch_red.c
@@ -153,7 +153,7 @@ 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);
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index 852c4f66eab5..b3c19210667f 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -1985,6 +1985,15 @@ 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;
diff --git a/net/smc/smc_clc.c b/net/smc/smc_clc.c
index 2f748226f143..1bf6cd010f04 100644
--- a/net/smc/smc_clc.c
+++ b/net/smc/smc_clc.c
@@ -784,8 +784,8 @@ 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 b61384b08e7c..2a805c964210 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/unix/af_unix.c b/net/unix/af_unix.c
index 6bc7aef06a5b..651c7debe799 100644
--- a/net/unix/af_unix.c
+++ b/net/unix/af_unix.c
@@ -2807,6 +2807,9 @@ static int unix_stream_read_generic(struct unix_stream_read_state *state,
 				goto out;
 			}
 
+			if (sk->sk_type != SOCK_STREAM)
+				return -EOPNOTSUPP;
+
 			mutex_lock(&u->iolock);
 			goto redo;
 unlock:
diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c
index ca1289e64bcc..187cc259f820 100644
--- a/net/vmw_vsock/af_vsock.c
+++ b/net/vmw_vsock/af_vsock.c
@@ -1728,12 +1728,12 @@ 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 56c232cf5b0f..34871ed1a099 100644
--- a/net/vmw_vsock/hyperv_transport.c
+++ b/net/vmw_vsock/hyperv_transport.c
@@ -375,10 +375,10 @@ 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);
 	}
 
 	chan->max_pkt_size = HVS_MAX_PKT_SIZE;
diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c
index 4c374c36c29d..465552033360 100644
--- a/net/vmw_vsock/virtio_transport_common.c
+++ b/net/vmw_vsock/virtio_transport_common.c
@@ -122,12 +122,12 @@ static struct sk_buff *virtio_transport_build_skb(void *opaque)
 	size_t payload_len;
 	void *payload_buf;
 
-	/* A packet could be split to fit the RX buffer, so we can retrieve
-	 * the payload length from the header and the buffer pointer taking
-	 * care of the offset in the original packet.
+	/* A packet could be split to fit the RX buffer, so we use
+	 * the payload length from the header, which has been updated
+	 * by the sender to reflect the fragment size.
 	 */
 	pkt_hdr = virtio_vsock_hdr(pkt);
-	payload_len = pkt->len;
+	payload_len = le32_to_cpu(pkt_hdr->len);
 	payload_buf = pkt->data;
 
 	skb = alloc_skb(sizeof(*hdr) + sizeof(*pkt_hdr) + payload_len,
@@ -283,7 +283,9 @@ static int virtio_transport_send_pkt_info(struct vsock_sock *vsk,
 static bool virtio_transport_inc_rx_pkt(struct virtio_vsock_sock *vvs,
 					u32 len)
 {
-	if (vvs->rx_bytes + len > vvs->buf_alloc)
+	u64 skb_overhead = (skb_queue_len(&vvs->rx_queue) + 1) * SKB_TRUESIZE(0);
+
+	if (skb_overhead + vvs->rx_bytes + len > vvs->buf_alloc)
 		return false;
 
 	vvs->rx_bytes += len;
@@ -1353,8 +1355,6 @@ virtio_transport_recv_listen(struct sock *sk, struct sk_buff *skb,
 		return -ENOMEM;
 	}
 
-	sk_acceptq_added(sk);
-
 	lock_sock_nested(child, SINGLE_DEPTH_NESTING);
 
 	child->sk_state = TCP_ESTABLISHED;
@@ -1376,6 +1376,7 @@ virtio_transport_recv_listen(struct sock *sk, struct sk_buff *skb,
 		return ret;
 	}
 
+	sk_acceptq_added(sk);
 	if (virtio_transport_space_update(child, skb))
 		child->sk_write_space(child);
 
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index ca42c9b8cecc..8ba31cf9b319 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -752,12 +752,12 @@ int __xfrm_state_delete(struct xfrm_state *x)
 		x->km.state = XFRM_STATE_DEAD;
 		spin_lock(&net->xfrm.xfrm_state_lock);
 		list_del(&x->km.all);
-		hlist_del_rcu(&x->bydst);
-		hlist_del_rcu(&x->bysrc);
-		if (x->km.seq)
-			hlist_del_rcu(&x->byseq);
-		if (x->id.spi)
-			hlist_del_rcu(&x->byspi);
+		hlist_del_init_rcu(&x->bydst);
+		hlist_del_init_rcu(&x->bysrc);
+		if (!hlist_unhashed(&x->byseq))
+			hlist_del_init_rcu(&x->byseq);
+		if (!hlist_unhashed(&x->byspi))
+			hlist_del_init_rcu(&x->byspi);
 		net->xfrm.state_num--;
 		spin_unlock(&net->xfrm.xfrm_state_lock);
 
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index fd6330984f88..9074434196f4 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -3015,6 +3015,7 @@ 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),
 };
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index d4a99d98ec77..60092d0b013c 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -2903,7 +2903,7 @@ static int selinux_inode_init_security(struct inode *inode, struct inode *dir,
 {
 	const struct task_security_struct *tsec = selinux_cred(current_cred());
 	struct superblock_security_struct *sbsec;
-	struct xattr *xattr = lsm_get_xattr_slot(xattrs, xattr_count);
+	struct xattr *xattr;
 	u32 newsid, clen;
 	int rc;
 	char *context;
@@ -2930,6 +2930,7 @@ static int selinux_inode_init_security(struct inode *inode, struct inode *dir,
 	    !(sbsec->flags & SBLABEL_MNT))
 		return -EOPNOTSUPP;
 
+	xattr = lsm_get_xattr_slot(xattrs, xattr_count);
 	if (xattr) {
 		rc = security_sid_to_context_force(newsid,
 						   &context, &clen);
diff --git a/security/selinux/selinuxfs.c b/security/selinux/selinuxfs.c
index 54bc18e8164b..3e28fa2444fb 100644
--- a/security/selinux/selinuxfs.c
+++ b/security/selinux/selinuxfs.c
@@ -272,35 +272,13 @@ static ssize_t sel_write_disable(struct file *file, const char __user *buf,
 				 size_t count, loff_t *ppos)
 
 {
-	char *page;
-	ssize_t length;
-	int new_value;
-
-	if (count >= PAGE_SIZE)
-		return -ENOMEM;
-
-	/* No partial writes. */
-	if (*ppos != 0)
-		return -EINVAL;
-
-	page = memdup_user_nul(buf, count);
-	if (IS_ERR(page))
-		return PTR_ERR(page);
-
-	if (sscanf(page, "%d", &new_value) != 1) {
-		length = -EINVAL;
-		goto out;
-	}
-	length = count;
-
-	if (new_value) {
-		pr_err("SELinux: https://github.com/SELinuxProject/selinux-kernel/wiki/DEPRECATE-runtime-disable\n");
-		pr_err("SELinux: Runtime disable is not supported, use selinux=0 on the kernel cmdline.\n");
-	}
-
-out:
-	kfree(page);
-	return length;
+	/*
+	 * Setting disable is no longer supported, see
+	 * https://github.com/SELinuxProject/selinux-kernel/wiki/DEPRECATE-runtime-disable
+	 */
+	pr_err_once("SELinux: %s (%d) wrote to disable. This is no longer supported.\n",
+		    current->comm, current->pid);
+	return count;
 }
 
 static const struct file_operations sel_disable_ops = {
@@ -594,34 +572,31 @@ static ssize_t sel_write_load(struct file *file, const char __user *buf,
 	if (!count)
 		return -EINVAL;
 
-	mutex_lock(&selinux_state.policy_mutex);
-
 	length = avc_has_perm(current_sid(), SECINITSID_SECURITY,
 			      SECCLASS_SECURITY, SECURITY__LOAD_POLICY, NULL);
 	if (length)
-		goto out;
+		return length;
 
 	data = vmalloc(count);
-	if (!data) {
-		length = -ENOMEM;
-		goto out;
-	}
+	if (!data)
+		return -ENOMEM;
 	if (copy_from_user(data, buf, count) != 0) {
 		length = -EFAULT;
 		goto out;
 	}
 
+	mutex_lock(&selinux_state.policy_mutex);
 	length = security_load_policy(data, count, &load_state);
 	if (length) {
 		pr_warn_ratelimited("SELinux: failed to load policy\n");
-		goto out;
+		goto out_unlock;
 	}
 	fsi = file_inode(file)->i_sb->s_fs_info;
 	length = sel_make_policy_nodes(fsi, load_state.policy);
 	if (length) {
 		pr_warn_ratelimited("SELinux: failed to initialize selinuxfs\n");
 		selinux_policy_cancel(&load_state);
-		goto out;
+		goto out_unlock;
 	}
 
 	selinux_policy_commit(&load_state);
@@ -631,8 +606,9 @@ static ssize_t sel_write_load(struct file *file, const char __user *buf,
 		from_kuid(&init_user_ns, audit_get_loginuid(current)),
 		audit_get_sessionid(current));
 
-out:
+out_unlock:
 	mutex_unlock(&selinux_state.policy_mutex);
+out:
 	vfree(data);
 	return length;
 }
diff --git a/sound/aoa/codecs/onyx.c b/sound/aoa/codecs/onyx.c
index a8a59d71dcec..a714a3f3f6a5 100644
--- a/sound/aoa/codecs/onyx.c
+++ b/sound/aoa/codecs/onyx.c
@@ -121,10 +121,9 @@ static int onyx_snd_vol_get(struct snd_kcontrol *kcontrol,
 	struct onyx *onyx = snd_kcontrol_chip(kcontrol);
 	s8 l, r;
 
-	mutex_lock(&onyx->mutex);
+	guard(mutex)(&onyx->mutex);
 	onyx_read_register(onyx, ONYX_REG_DAC_ATTEN_LEFT, &l);
 	onyx_read_register(onyx, ONYX_REG_DAC_ATTEN_RIGHT, &r);
-	mutex_unlock(&onyx->mutex);
 
 	ucontrol->value.integer.value[0] = l + VOLUME_RANGE_SHIFT;
 	ucontrol->value.integer.value[1] = r + VOLUME_RANGE_SHIFT;
@@ -145,15 +144,13 @@ static int onyx_snd_vol_put(struct snd_kcontrol *kcontrol,
 	    ucontrol->value.integer.value[1] > -1 + VOLUME_RANGE_SHIFT)
 		return -EINVAL;
 
-	mutex_lock(&onyx->mutex);
+	guard(mutex)(&onyx->mutex);
 	onyx_read_register(onyx, ONYX_REG_DAC_ATTEN_LEFT, &l);
 	onyx_read_register(onyx, ONYX_REG_DAC_ATTEN_RIGHT, &r);
 
 	if (l + VOLUME_RANGE_SHIFT == ucontrol->value.integer.value[0] &&
-	    r + VOLUME_RANGE_SHIFT == ucontrol->value.integer.value[1]) {
-		mutex_unlock(&onyx->mutex);
+	    r + VOLUME_RANGE_SHIFT == ucontrol->value.integer.value[1])
 		return 0;
-	}
 
 	onyx_write_register(onyx, ONYX_REG_DAC_ATTEN_LEFT,
 			    ucontrol->value.integer.value[0]
@@ -161,7 +158,6 @@ static int onyx_snd_vol_put(struct snd_kcontrol *kcontrol,
 	onyx_write_register(onyx, ONYX_REG_DAC_ATTEN_RIGHT,
 			    ucontrol->value.integer.value[1]
 			     - VOLUME_RANGE_SHIFT);
-	mutex_unlock(&onyx->mutex);
 
 	return 1;
 }
@@ -197,9 +193,8 @@ static int onyx_snd_inputgain_get(struct snd_kcontrol *kcontrol,
 	struct onyx *onyx = snd_kcontrol_chip(kcontrol);
 	u8 ig;
 
-	mutex_lock(&onyx->mutex);
+	guard(mutex)(&onyx->mutex);
 	onyx_read_register(onyx, ONYX_REG_ADC_CONTROL, &ig);
-	mutex_unlock(&onyx->mutex);
 
 	ucontrol->value.integer.value[0] =
 		(ig & ONYX_ADC_PGA_GAIN_MASK) + INPUTGAIN_RANGE_SHIFT;
@@ -216,14 +211,13 @@ static int onyx_snd_inputgain_put(struct snd_kcontrol *kcontrol,
 	if (ucontrol->value.integer.value[0] < 3 + INPUTGAIN_RANGE_SHIFT ||
 	    ucontrol->value.integer.value[0] > 28 + INPUTGAIN_RANGE_SHIFT)
 		return -EINVAL;
-	mutex_lock(&onyx->mutex);
+	guard(mutex)(&onyx->mutex);
 	onyx_read_register(onyx, ONYX_REG_ADC_CONTROL, &v);
 	n = v;
 	n &= ~ONYX_ADC_PGA_GAIN_MASK;
 	n |= (ucontrol->value.integer.value[0] - INPUTGAIN_RANGE_SHIFT)
 		& ONYX_ADC_PGA_GAIN_MASK;
 	onyx_write_register(onyx, ONYX_REG_ADC_CONTROL, n);
-	mutex_unlock(&onyx->mutex);
 
 	return n != v;
 }
@@ -251,9 +245,8 @@ static int onyx_snd_capture_source_get(struct snd_kcontrol *kcontrol,
 	struct onyx *onyx = snd_kcontrol_chip(kcontrol);
 	s8 v;
 
-	mutex_lock(&onyx->mutex);
+	guard(mutex)(&onyx->mutex);
 	onyx_read_register(onyx, ONYX_REG_ADC_CONTROL, &v);
-	mutex_unlock(&onyx->mutex);
 
 	ucontrol->value.enumerated.item[0] = !!(v&ONYX_ADC_INPUT_MIC);
 
@@ -264,13 +257,12 @@ static void onyx_set_capture_source(struct onyx *onyx, int mic)
 {
 	s8 v;
 
-	mutex_lock(&onyx->mutex);
+	guard(mutex)(&onyx->mutex);
 	onyx_read_register(onyx, ONYX_REG_ADC_CONTROL, &v);
 	v &= ~ONYX_ADC_INPUT_MIC;
 	if (mic)
 		v |= ONYX_ADC_INPUT_MIC;
 	onyx_write_register(onyx, ONYX_REG_ADC_CONTROL, v);
-	mutex_unlock(&onyx->mutex);
 }
 
 static int onyx_snd_capture_source_put(struct snd_kcontrol *kcontrol,
@@ -311,9 +303,8 @@ static int onyx_snd_mute_get(struct snd_kcontrol *kcontrol,
 	struct onyx *onyx = snd_kcontrol_chip(kcontrol);
 	u8 c;
 
-	mutex_lock(&onyx->mutex);
+	guard(mutex)(&onyx->mutex);
 	onyx_read_register(onyx, ONYX_REG_DAC_CONTROL, &c);
-	mutex_unlock(&onyx->mutex);
 
 	ucontrol->value.integer.value[0] = !(c & ONYX_MUTE_LEFT);
 	ucontrol->value.integer.value[1] = !(c & ONYX_MUTE_RIGHT);
@@ -328,9 +319,9 @@ static int onyx_snd_mute_put(struct snd_kcontrol *kcontrol,
 	u8 v = 0, c = 0;
 	int err = -EBUSY;
 
-	mutex_lock(&onyx->mutex);
+	guard(mutex)(&onyx->mutex);
 	if (onyx->analog_locked)
-		goto out_unlock;
+		return -EBUSY;
 
 	onyx_read_register(onyx, ONYX_REG_DAC_CONTROL, &v);
 	c = v;
@@ -341,9 +332,6 @@ static int onyx_snd_mute_put(struct snd_kcontrol *kcontrol,
 		c |= ONYX_MUTE_RIGHT;
 	err = onyx_write_register(onyx, ONYX_REG_DAC_CONTROL, c);
 
- out_unlock:
-	mutex_unlock(&onyx->mutex);
-
 	return !err ? (v != c) : err;
 }
 
@@ -372,9 +360,8 @@ static int onyx_snd_single_bit_get(struct snd_kcontrol *kcontrol,
 	u8 address = (pv >> 8) & 0xff;
 	u8 mask = pv & 0xff;
 
-	mutex_lock(&onyx->mutex);
+	guard(mutex)(&onyx->mutex);
 	onyx_read_register(onyx, address, &c);
-	mutex_unlock(&onyx->mutex);
 
 	ucontrol->value.integer.value[0] = !!(c & mask) ^ polarity;
 
@@ -393,11 +380,10 @@ static int onyx_snd_single_bit_put(struct snd_kcontrol *kcontrol,
 	u8 address = (pv >> 8) & 0xff;
 	u8 mask = pv & 0xff;
 
-	mutex_lock(&onyx->mutex);
+	guard(mutex)(&onyx->mutex);
 	if (spdiflock && onyx->spdif_locked) {
 		/* even if alsamixer doesn't care.. */
-		err = -EBUSY;
-		goto out_unlock;
+		return -EBUSY;
 	}
 	onyx_read_register(onyx, address, &v);
 	c = v;
@@ -406,9 +392,6 @@ static int onyx_snd_single_bit_put(struct snd_kcontrol *kcontrol,
 		c |= mask;
 	err = onyx_write_register(onyx, address, c);
 
- out_unlock:
-	mutex_unlock(&onyx->mutex);
-
 	return !err ? (v != c) : err;
 }
 
@@ -489,7 +472,7 @@ static int onyx_spdif_get(struct snd_kcontrol *kcontrol,
 	struct onyx *onyx = snd_kcontrol_chip(kcontrol);
 	u8 v;
 
-	mutex_lock(&onyx->mutex);
+	guard(mutex)(&onyx->mutex);
 	onyx_read_register(onyx, ONYX_REG_DIG_INFO1, &v);
 	ucontrol->value.iec958.status[0] = v & 0x3e;
 
@@ -501,7 +484,6 @@ static int onyx_spdif_get(struct snd_kcontrol *kcontrol,
 
 	onyx_read_register(onyx, ONYX_REG_DIG_INFO4, &v);
 	ucontrol->value.iec958.status[4] = v & 0x0f;
-	mutex_unlock(&onyx->mutex);
 
 	return 0;
 }
@@ -512,7 +494,7 @@ static int onyx_spdif_put(struct snd_kcontrol *kcontrol,
 	struct onyx *onyx = snd_kcontrol_chip(kcontrol);
 	u8 v;
 
-	mutex_lock(&onyx->mutex);
+	guard(mutex)(&onyx->mutex);
 	onyx_read_register(onyx, ONYX_REG_DIG_INFO1, &v);
 	v = (v & ~0x3e) | (ucontrol->value.iec958.status[0] & 0x3e);
 	onyx_write_register(onyx, ONYX_REG_DIG_INFO1, v);
@@ -527,7 +509,6 @@ static int onyx_spdif_put(struct snd_kcontrol *kcontrol,
 	onyx_read_register(onyx, ONYX_REG_DIG_INFO4, &v);
 	v = (v & ~0x0f) | (ucontrol->value.iec958.status[4] & 0x0f);
 	onyx_write_register(onyx, ONYX_REG_DIG_INFO4, v);
-	mutex_unlock(&onyx->mutex);
 
 	return 1;
 }
@@ -672,14 +653,13 @@ static int onyx_usable(struct codec_info_item *cii,
 	struct onyx *onyx = cii->codec_data;
 	int spdif_enabled, analog_enabled;
 
-	mutex_lock(&onyx->mutex);
+	guard(mutex)(&onyx->mutex);
 	onyx_read_register(onyx, ONYX_REG_DIG_INFO4, &v);
 	spdif_enabled = !!(v & ONYX_SPDIF_ENABLE);
 	onyx_read_register(onyx, ONYX_REG_DAC_CONTROL, &v);
 	analog_enabled =
 		(v & (ONYX_MUTE_RIGHT|ONYX_MUTE_LEFT))
 		 != (ONYX_MUTE_RIGHT|ONYX_MUTE_LEFT);
-	mutex_unlock(&onyx->mutex);
 
 	switch (ti->tag) {
 	case 0: return 1;
@@ -695,9 +675,8 @@ static int onyx_prepare(struct codec_info_item *cii,
 {
 	u8 v;
 	struct onyx *onyx = cii->codec_data;
-	int err = -EBUSY;
 
-	mutex_lock(&onyx->mutex);
+	guard(mutex)(&onyx->mutex);
 
 #ifdef SNDRV_PCM_FMTBIT_COMPRESSED_16BE
 	if (substream->runtime->format == SNDRV_PCM_FMTBIT_COMPRESSED_16BE) {
@@ -706,10 +685,9 @@ static int onyx_prepare(struct codec_info_item *cii,
 		if (onyx_write_register(onyx,
 					ONYX_REG_DAC_CONTROL,
 					v | ONYX_MUTE_RIGHT | ONYX_MUTE_LEFT))
-			goto out_unlock;
+			return -EBUSY;
 		onyx->analog_locked = 1;
-		err = 0;
-		goto out_unlock;
+		return 0;
 	}
 #endif
 	switch (substream->runtime->rate) {
@@ -719,8 +697,7 @@ static int onyx_prepare(struct codec_info_item *cii,
 		/* these rates are ok for all outputs */
 		/* FIXME: program spdif channel control bits here so that
 		 *	  userspace doesn't have to if it only plays pcm! */
-		err = 0;
-		goto out_unlock;
+		return 0;
 	default:
 		/* got some rate that the digital output can't do,
 		 * so disable and lock it */
@@ -728,16 +705,12 @@ static int onyx_prepare(struct codec_info_item *cii,
 		if (onyx_write_register(onyx,
 					ONYX_REG_DIG_INFO4,
 					v & ~ONYX_SPDIF_ENABLE))
-			goto out_unlock;
+			return -EBUSY;
 		onyx->spdif_locked = 1;
-		err = 0;
-		goto out_unlock;
+		return 0;
 	}
 
- out_unlock:
-	mutex_unlock(&onyx->mutex);
-
-	return err;
+	return -EBUSY;
 }
 
 static int onyx_open(struct codec_info_item *cii,
@@ -745,9 +718,8 @@ static int onyx_open(struct codec_info_item *cii,
 {
 	struct onyx *onyx = cii->codec_data;
 
-	mutex_lock(&onyx->mutex);
+	guard(mutex)(&onyx->mutex);
 	onyx->open_count++;
-	mutex_unlock(&onyx->mutex);
 
 	return 0;
 }
@@ -757,11 +729,10 @@ static int onyx_close(struct codec_info_item *cii,
 {
 	struct onyx *onyx = cii->codec_data;
 
-	mutex_lock(&onyx->mutex);
+	guard(mutex)(&onyx->mutex);
 	onyx->open_count--;
 	if (!onyx->open_count)
 		onyx->spdif_locked = onyx->analog_locked = 0;
-	mutex_unlock(&onyx->mutex);
 
 	return 0;
 }
@@ -771,7 +742,7 @@ static int onyx_switch_clock(struct codec_info_item *cii,
 {
 	struct onyx *onyx = cii->codec_data;
 
-	mutex_lock(&onyx->mutex);
+	guard(mutex)(&onyx->mutex);
 	/* this *MUST* be more elaborate later... */
 	switch (what) {
 	case CLOCK_SWITCH_PREPARE_SLAVE:
@@ -783,7 +754,6 @@ static int onyx_switch_clock(struct codec_info_item *cii,
 	default: /* silence warning */
 		break;
 	}
-	mutex_unlock(&onyx->mutex);
 
 	return 0;
 }
@@ -794,27 +764,21 @@ static int onyx_suspend(struct codec_info_item *cii, pm_message_t state)
 {
 	struct onyx *onyx = cii->codec_data;
 	u8 v;
-	int err = -ENXIO;
 
-	mutex_lock(&onyx->mutex);
+	guard(mutex)(&onyx->mutex);
 	if (onyx_read_register(onyx, ONYX_REG_CONTROL, &v))
-		goto out_unlock;
+		return -ENXIO;
 	onyx_write_register(onyx, ONYX_REG_CONTROL, v | ONYX_ADPSV | ONYX_DAPSV);
 	/* Apple does a sleep here but the datasheet says to do it on resume */
-	err = 0;
- out_unlock:
-	mutex_unlock(&onyx->mutex);
-
-	return err;
+	return 0;
 }
 
 static int onyx_resume(struct codec_info_item *cii)
 {
 	struct onyx *onyx = cii->codec_data;
 	u8 v;
-	int err = -ENXIO;
 
-	mutex_lock(&onyx->mutex);
+	guard(mutex)(&onyx->mutex);
 
 	/* reset codec */
 	onyx->codec.gpio->methods->set_hw_reset(onyx->codec.gpio, 0);
@@ -826,17 +790,13 @@ static int onyx_resume(struct codec_info_item *cii)
 
 	/* take codec out of suspend (if it still is after reset) */
 	if (onyx_read_register(onyx, ONYX_REG_CONTROL, &v))
-		goto out_unlock;
+		return -ENXIO;
 	onyx_write_register(onyx, ONYX_REG_CONTROL, v & ~(ONYX_ADPSV | ONYX_DAPSV));
 	/* FIXME: should divide by sample rate, but 8k is the lowest we go */
 	msleep(2205000/8000);
 	/* reset all values */
 	onyx_register_init(onyx);
-	err = 0;
- out_unlock:
-	mutex_unlock(&onyx->mutex);
-
-	return err;
+	return 0;
 }
 
 #endif /* CONFIG_PM */
diff --git a/sound/aoa/codecs/tas.c b/sound/aoa/codecs/tas.c
index ab1472390061..4446307c095c 100644
--- a/sound/aoa/codecs/tas.c
+++ b/sound/aoa/codecs/tas.c
@@ -235,10 +235,9 @@ static int tas_snd_vol_get(struct snd_kcontrol *kcontrol,
 {
 	struct tas *tas = snd_kcontrol_chip(kcontrol);
 
-	mutex_lock(&tas->mtx);
+	guard(mutex)(&tas->mtx);
 	ucontrol->value.integer.value[0] = tas->cached_volume_l;
 	ucontrol->value.integer.value[1] = tas->cached_volume_r;
-	mutex_unlock(&tas->mtx);
 	return 0;
 }
 
@@ -254,18 +253,15 @@ static int tas_snd_vol_put(struct snd_kcontrol *kcontrol,
 	    ucontrol->value.integer.value[1] > 177)
 		return -EINVAL;
 
-	mutex_lock(&tas->mtx);
+	guard(mutex)(&tas->mtx);
 	if (tas->cached_volume_l == ucontrol->value.integer.value[0]
-	 && tas->cached_volume_r == ucontrol->value.integer.value[1]) {
-		mutex_unlock(&tas->mtx);
+	 && tas->cached_volume_r == ucontrol->value.integer.value[1])
 		return 0;
-	}
 
 	tas->cached_volume_l = ucontrol->value.integer.value[0];
 	tas->cached_volume_r = ucontrol->value.integer.value[1];
 	if (tas->hw_enabled)
 		tas_set_volume(tas);
-	mutex_unlock(&tas->mtx);
 	return 1;
 }
 
@@ -285,10 +281,9 @@ static int tas_snd_mute_get(struct snd_kcontrol *kcontrol,
 {
 	struct tas *tas = snd_kcontrol_chip(kcontrol);
 
-	mutex_lock(&tas->mtx);
+	guard(mutex)(&tas->mtx);
 	ucontrol->value.integer.value[0] = !tas->mute_l;
 	ucontrol->value.integer.value[1] = !tas->mute_r;
-	mutex_unlock(&tas->mtx);
 	return 0;
 }
 
@@ -297,18 +292,15 @@ static int tas_snd_mute_put(struct snd_kcontrol *kcontrol,
 {
 	struct tas *tas = snd_kcontrol_chip(kcontrol);
 
-	mutex_lock(&tas->mtx);
+	guard(mutex)(&tas->mtx);
 	if (tas->mute_l == !ucontrol->value.integer.value[0]
-	 && tas->mute_r == !ucontrol->value.integer.value[1]) {
-		mutex_unlock(&tas->mtx);
+	 && tas->mute_r == !ucontrol->value.integer.value[1])
 		return 0;
-	}
 
 	tas->mute_l = !ucontrol->value.integer.value[0];
 	tas->mute_r = !ucontrol->value.integer.value[1];
 	if (tas->hw_enabled)
 		tas_set_volume(tas);
-	mutex_unlock(&tas->mtx);
 	return 1;
 }
 
@@ -337,10 +329,9 @@ static int tas_snd_mixer_get(struct snd_kcontrol *kcontrol,
 	struct tas *tas = snd_kcontrol_chip(kcontrol);
 	int idx = kcontrol->private_value;
 
-	mutex_lock(&tas->mtx);
+	guard(mutex)(&tas->mtx);
 	ucontrol->value.integer.value[0] = tas->mixer_l[idx];
 	ucontrol->value.integer.value[1] = tas->mixer_r[idx];
-	mutex_unlock(&tas->mtx);
 
 	return 0;
 }
@@ -351,19 +342,16 @@ static int tas_snd_mixer_put(struct snd_kcontrol *kcontrol,
 	struct tas *tas = snd_kcontrol_chip(kcontrol);
 	int idx = kcontrol->private_value;
 
-	mutex_lock(&tas->mtx);
+	guard(mutex)(&tas->mtx);
 	if (tas->mixer_l[idx] == ucontrol->value.integer.value[0]
-	 && tas->mixer_r[idx] == ucontrol->value.integer.value[1]) {
-		mutex_unlock(&tas->mtx);
+	 && tas->mixer_r[idx] == ucontrol->value.integer.value[1])
 		return 0;
-	}
 
 	tas->mixer_l[idx] = ucontrol->value.integer.value[0];
 	tas->mixer_r[idx] = ucontrol->value.integer.value[1];
 
 	if (tas->hw_enabled)
 		tas_set_mixer(tas);
-	mutex_unlock(&tas->mtx);
 	return 1;
 }
 
@@ -396,9 +384,8 @@ static int tas_snd_drc_range_get(struct snd_kcontrol *kcontrol,
 {
 	struct tas *tas = snd_kcontrol_chip(kcontrol);
 
-	mutex_lock(&tas->mtx);
+	guard(mutex)(&tas->mtx);
 	ucontrol->value.integer.value[0] = tas->drc_range;
-	mutex_unlock(&tas->mtx);
 	return 0;
 }
 
@@ -411,16 +398,13 @@ static int tas_snd_drc_range_put(struct snd_kcontrol *kcontrol,
 	    ucontrol->value.integer.value[0] > TAS3004_DRC_MAX)
 		return -EINVAL;
 
-	mutex_lock(&tas->mtx);
-	if (tas->drc_range == ucontrol->value.integer.value[0]) {
-		mutex_unlock(&tas->mtx);
+	guard(mutex)(&tas->mtx);
+	if (tas->drc_range == ucontrol->value.integer.value[0])
 		return 0;
-	}
 
 	tas->drc_range = ucontrol->value.integer.value[0];
 	if (tas->hw_enabled)
 		tas3004_set_drc(tas);
-	mutex_unlock(&tas->mtx);
 	return 1;
 }
 
@@ -440,9 +424,8 @@ static int tas_snd_drc_switch_get(struct snd_kcontrol *kcontrol,
 {
 	struct tas *tas = snd_kcontrol_chip(kcontrol);
 
-	mutex_lock(&tas->mtx);
+	guard(mutex)(&tas->mtx);
 	ucontrol->value.integer.value[0] = tas->drc_enabled;
-	mutex_unlock(&tas->mtx);
 	return 0;
 }
 
@@ -451,16 +434,13 @@ static int tas_snd_drc_switch_put(struct snd_kcontrol *kcontrol,
 {
 	struct tas *tas = snd_kcontrol_chip(kcontrol);
 
-	mutex_lock(&tas->mtx);
-	if (tas->drc_enabled == ucontrol->value.integer.value[0]) {
-		mutex_unlock(&tas->mtx);
+	guard(mutex)(&tas->mtx);
+	if (tas->drc_enabled == ucontrol->value.integer.value[0])
 		return 0;
-	}
 
 	tas->drc_enabled = !!ucontrol->value.integer.value[0];
 	if (tas->hw_enabled)
 		tas3004_set_drc(tas);
-	mutex_unlock(&tas->mtx);
 	return 1;
 }
 
@@ -486,9 +466,8 @@ static int tas_snd_capture_source_get(struct snd_kcontrol *kcontrol,
 {
 	struct tas *tas = snd_kcontrol_chip(kcontrol);
 
-	mutex_lock(&tas->mtx);
+	guard(mutex)(&tas->mtx);
 	ucontrol->value.enumerated.item[0] = !!(tas->acr & TAS_ACR_INPUT_B);
-	mutex_unlock(&tas->mtx);
 	return 0;
 }
 
@@ -500,7 +479,7 @@ static int tas_snd_capture_source_put(struct snd_kcontrol *kcontrol,
 
 	if (ucontrol->value.enumerated.item[0] > 1)
 		return -EINVAL;
-	mutex_lock(&tas->mtx);
+	guard(mutex)(&tas->mtx);
 	oldacr = tas->acr;
 
 	/*
@@ -512,13 +491,10 @@ static int tas_snd_capture_source_put(struct snd_kcontrol *kcontrol,
 	if (ucontrol->value.enumerated.item[0])
 		tas->acr |= TAS_ACR_INPUT_B | TAS_ACR_B_MONAUREAL |
 		      TAS_ACR_B_MON_SEL_RIGHT;
-	if (oldacr == tas->acr) {
-		mutex_unlock(&tas->mtx);
+	if (oldacr == tas->acr)
 		return 0;
-	}
 	if (tas->hw_enabled)
 		tas_write_reg(tas, TAS_REG_ACR, 1, &tas->acr);
-	mutex_unlock(&tas->mtx);
 	return 1;
 }
 
@@ -557,9 +533,8 @@ static int tas_snd_treble_get(struct snd_kcontrol *kcontrol,
 {
 	struct tas *tas = snd_kcontrol_chip(kcontrol);
 
-	mutex_lock(&tas->mtx);
+	guard(mutex)(&tas->mtx);
 	ucontrol->value.integer.value[0] = tas->treble;
-	mutex_unlock(&tas->mtx);
 	return 0;
 }
 
@@ -571,16 +546,13 @@ static int tas_snd_treble_put(struct snd_kcontrol *kcontrol,
 	if (ucontrol->value.integer.value[0] < TAS3004_TREBLE_MIN ||
 	    ucontrol->value.integer.value[0] > TAS3004_TREBLE_MAX)
 		return -EINVAL;
-	mutex_lock(&tas->mtx);
-	if (tas->treble == ucontrol->value.integer.value[0]) {
-		mutex_unlock(&tas->mtx);
+	guard(mutex)(&tas->mtx);
+	if (tas->treble == ucontrol->value.integer.value[0])
 		return 0;
-	}
 
 	tas->treble = ucontrol->value.integer.value[0];
 	if (tas->hw_enabled)
 		tas_set_treble(tas);
-	mutex_unlock(&tas->mtx);
 	return 1;
 }
 
@@ -608,9 +580,8 @@ static int tas_snd_bass_get(struct snd_kcontrol *kcontrol,
 {
 	struct tas *tas = snd_kcontrol_chip(kcontrol);
 
-	mutex_lock(&tas->mtx);
+	guard(mutex)(&tas->mtx);
 	ucontrol->value.integer.value[0] = tas->bass;
-	mutex_unlock(&tas->mtx);
 	return 0;
 }
 
@@ -622,16 +593,13 @@ static int tas_snd_bass_put(struct snd_kcontrol *kcontrol,
 	if (ucontrol->value.integer.value[0] < TAS3004_BASS_MIN ||
 	    ucontrol->value.integer.value[0] > TAS3004_BASS_MAX)
 		return -EINVAL;
-	mutex_lock(&tas->mtx);
-	if (tas->bass == ucontrol->value.integer.value[0]) {
-		mutex_unlock(&tas->mtx);
+	guard(mutex)(&tas->mtx);
+	if (tas->bass == ucontrol->value.integer.value[0])
 		return 0;
-	}
 
 	tas->bass = ucontrol->value.integer.value[0];
 	if (tas->hw_enabled)
 		tas_set_bass(tas);
-	mutex_unlock(&tas->mtx);
 	return 1;
 }
 
@@ -722,13 +690,13 @@ static int tas_switch_clock(struct codec_info_item *cii, enum clock_switch clock
 		break;
 	case CLOCK_SWITCH_SLAVE:
 		/* Clocks are back, re-init the codec */
-		mutex_lock(&tas->mtx);
-		tas_reset_init(tas);
-		tas_set_volume(tas);
-		tas_set_mixer(tas);
-		tas->hw_enabled = 1;
-		tas->codec.gpio->methods->all_amps_restore(tas->codec.gpio);
-		mutex_unlock(&tas->mtx);
+		scoped_guard(mutex, &tas->mtx) {
+			tas_reset_init(tas);
+			tas_set_volume(tas);
+			tas_set_mixer(tas);
+			tas->hw_enabled = 1;
+			tas->codec.gpio->methods->all_amps_restore(tas->codec.gpio);
+		}
 		break;
 	default:
 		/* doesn't happen as of now */
@@ -743,23 +711,21 @@ static int tas_switch_clock(struct codec_info_item *cii, enum clock_switch clock
  * our i2c device is suspended, and then take note of that! */
 static int tas_suspend(struct tas *tas)
 {
-	mutex_lock(&tas->mtx);
+	guard(mutex)(&tas->mtx);
 	tas->hw_enabled = 0;
 	tas->acr |= TAS_ACR_ANALOG_PDOWN;
 	tas_write_reg(tas, TAS_REG_ACR, 1, &tas->acr);
-	mutex_unlock(&tas->mtx);
 	return 0;
 }
 
 static int tas_resume(struct tas *tas)
 {
 	/* reset codec */
-	mutex_lock(&tas->mtx);
+	guard(mutex)(&tas->mtx);
 	tas_reset_init(tas);
 	tas_set_volume(tas);
 	tas_set_mixer(tas);
 	tas->hw_enabled = 1;
-	mutex_unlock(&tas->mtx);
 	return 0;
 }
 
@@ -802,14 +768,13 @@ static int tas_init_codec(struct aoa_codec *codec)
 		return -EINVAL;
 	}
 
-	mutex_lock(&tas->mtx);
-	if (tas_reset_init(tas)) {
-		printk(KERN_ERR PFX "tas failed to initialise\n");
-		mutex_unlock(&tas->mtx);
-		return -ENXIO;
+	scoped_guard(mutex, &tas->mtx) {
+		if (tas_reset_init(tas)) {
+			printk(KERN_ERR PFX "tas failed to initialise\n");
+			return -ENXIO;
+		}
+		tas->hw_enabled = 1;
 	}
-	tas->hw_enabled = 1;
-	mutex_unlock(&tas->mtx);
 
 	if (tas->codec.soundbus_dev->attach_codec(tas->codec.soundbus_dev,
 						   aoa_get_card(),
diff --git a/sound/aoa/core/gpio-feature.c b/sound/aoa/core/gpio-feature.c
index 39bb409b27f6..19ed0e6907da 100644
--- a/sound/aoa/core/gpio-feature.c
+++ b/sound/aoa/core/gpio-feature.c
@@ -212,10 +212,9 @@ static void ftr_handle_notify(struct work_struct *work)
 	struct gpio_notification *notif =
 		container_of(work, struct gpio_notification, work.work);
 
-	mutex_lock(&notif->mutex);
+	guard(mutex)(&notif->mutex);
 	if (notif->notify)
 		notif->notify(notif->data);
-	mutex_unlock(&notif->mutex);
 }
 
 static void gpio_enable_dual_edge(int gpio)
@@ -341,19 +340,17 @@ static int ftr_set_notify(struct gpio_runtime *rt,
 	if (!irq)
 		return -ENODEV;
 
-	mutex_lock(&notif->mutex);
+	guard(mutex)(&notif->mutex);
 
 	old = notif->notify;
 
-	if (!old && !notify) {
-		err = 0;
-		goto out_unlock;
-	}
+	if (!old && !notify)
+		return 0;
 
 	if (old && notify) {
 		if (old == notify && notif->data == data)
 			err = 0;
-		goto out_unlock;
+		return err;
 	}
 
 	if (old && !notify)
@@ -362,16 +359,13 @@ static int ftr_set_notify(struct gpio_runtime *rt,
 	if (!old && notify) {
 		err = request_irq(irq, ftr_handle_notify_irq, 0, name, notif);
 		if (err)
-			goto out_unlock;
+			return err;
 	}
 
 	notif->notify = notify;
 	notif->data = data;
 
-	err = 0;
- out_unlock:
-	mutex_unlock(&notif->mutex);
-	return err;
+	return 0;
 }
 
 static int ftr_get_detect(struct gpio_runtime *rt,
diff --git a/sound/aoa/core/gpio-pmf.c b/sound/aoa/core/gpio-pmf.c
index 37866039d1ea..e76bde25e41a 100644
--- a/sound/aoa/core/gpio-pmf.c
+++ b/sound/aoa/core/gpio-pmf.c
@@ -74,10 +74,9 @@ static void pmf_handle_notify(struct work_struct *work)
 	struct gpio_notification *notif =
 		container_of(work, struct gpio_notification, work.work);
 
-	mutex_lock(&notif->mutex);
+	guard(mutex)(&notif->mutex);
 	if (notif->notify)
 		notif->notify(notif->data);
-	mutex_unlock(&notif->mutex);
 }
 
 static void pmf_gpio_init(struct gpio_runtime *rt)
@@ -154,19 +153,17 @@ static int pmf_set_notify(struct gpio_runtime *rt,
 		return -EINVAL;
 	}
 
-	mutex_lock(&notif->mutex);
+	guard(mutex)(&notif->mutex);
 
 	old = notif->notify;
 
-	if (!old && !notify) {
-		err = 0;
-		goto out_unlock;
-	}
+	if (!old && !notify)
+		return 0;
 
 	if (old && notify) {
 		if (old == notify && notif->data == data)
 			err = 0;
-		goto out_unlock;
+		return err;
 	}
 
 	if (old && !notify) {
@@ -178,10 +175,8 @@ static int pmf_set_notify(struct gpio_runtime *rt,
 	if (!old && notify) {
 		irq_client = kzalloc(sizeof(struct pmf_irq_client),
 				     GFP_KERNEL);
-		if (!irq_client) {
-			err = -ENOMEM;
-			goto out_unlock;
-		}
+		if (!irq_client)
+			return -ENOMEM;
 		irq_client->data = notif;
 		irq_client->handler = pmf_handle_notify_irq;
 		irq_client->owner = THIS_MODULE;
@@ -192,17 +187,14 @@ static int pmf_set_notify(struct gpio_runtime *rt,
 			printk(KERN_ERR "snd-aoa: gpio layer failed to"
 					" register %s irq (%d)\n", name, err);
 			kfree(irq_client);
-			goto out_unlock;
+			return err;
 		}
 		notif->gpio_private = irq_client;
 	}
 	notif->notify = notify;
 	notif->data = data;
 
-	err = 0;
- out_unlock:
-	mutex_unlock(&notif->mutex);
-	return err;
+	return 0;
 }
 
 static int pmf_get_detect(struct gpio_runtime *rt,
diff --git a/sound/aoa/soundbus/i2sbus/core.c b/sound/aoa/soundbus/i2sbus/core.c
index 51ed2f34b276..14631e65aa70 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;
 }
@@ -408,6 +411,9 @@ static int i2sbus_resume(struct macio_dev* dev)
 	int err, ret = 0;
 
 	list_for_each_entry(i2sdev, &control->list, item) {
+		if (list_empty(&i2sdev->sound.codec_list))
+			continue;
+
 		/* reset i2s bus format etc. */
 		i2sbus_pcm_prepare_both(i2sdev);
 
diff --git a/sound/aoa/soundbus/i2sbus/pcm.c b/sound/aoa/soundbus/i2sbus/pcm.c
index 07df5cc0f2d7..8184152797ca 100644
--- a/sound/aoa/soundbus/i2sbus/pcm.c
+++ b/sound/aoa/soundbus/i2sbus/pcm.c
@@ -79,11 +79,10 @@ static int i2sbus_pcm_open(struct i2sbus_dev *i2sdev, int in)
 	u64 formats = 0;
 	unsigned int rates = 0;
 	struct transfer_info v;
-	int result = 0;
 	int bus_factor = 0, sysclock_factor = 0;
 	int found_this;
 
-	mutex_lock(&i2sdev->lock);
+	guard(mutex)(&i2sdev->lock);
 
 	get_pcm_info(i2sdev, in, &pi, &other);
 
@@ -92,8 +91,7 @@ static int i2sbus_pcm_open(struct i2sbus_dev *i2sdev, int in)
 
 	if (pi->active) {
 		/* alsa messed up */
-		result = -EBUSY;
-		goto out_unlock;
+		return -EBUSY;
 	}
 
 	/* we now need to assign the hw */
@@ -117,10 +115,8 @@ static int i2sbus_pcm_open(struct i2sbus_dev *i2sdev, int in)
 			ti++;
 		}
 	}
-	if (!masks_inited || !bus_factor || !sysclock_factor) {
-		result = -ENODEV;
-		goto out_unlock;
-	}
+	if (!masks_inited || !bus_factor || !sysclock_factor)
+		return -ENODEV;
 	/* bus dependent stuff */
 	hw->info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID |
 		   SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_RESUME |
@@ -169,17 +165,16 @@ static int i2sbus_pcm_open(struct i2sbus_dev *i2sdev, int in)
 	 * currently in use (if any). */
 	hw->rate_min = 5512;
 	hw->rate_max = 192000;
-	/* if the other stream is active, then we can only
-	 * support what it is currently using.
-	 * FIXME: I lied. This comment is wrong. We can support
-	 * anything that works with the same serial format, ie.
-	 * when recording 24 bit sound we can well play 16 bit
-	 * sound at the same time iff using the same transfer mode.
+	/* If the other stream is already prepared, keep this stream
+	 * on the same duplex format and rate.
+	 *
+	 * i2sbus_pcm_prepare() still programs one shared transport
+	 * configuration for both directions, so mixed duplex formats
+	 * are not supported here.
 	 */
 	if (other->active) {
-		/* FIXME: is this guaranteed by the alsa api? */
 		hw->formats &= pcm_format_to_bits(i2sdev->format);
-		/* see above, restrict rates to the one we already have */
+		/* Restrict rates to the one already in use. */
 		hw->rate_min = i2sdev->rate;
 		hw->rate_max = i2sdev->rate;
 	}
@@ -194,15 +189,12 @@ static int i2sbus_pcm_open(struct i2sbus_dev *i2sdev, int in)
 	hw->periods_max = MAX_DBDMA_COMMANDS;
 	err = snd_pcm_hw_constraint_integer(pi->substream->runtime,
 					    SNDRV_PCM_HW_PARAM_PERIODS);
-	if (err < 0) {
-		result = err;
-		goto out_unlock;
-	}
+	if (err < 0)
+		return err;
 	list_for_each_entry(cii, &sdev->codec_list, list) {
 		if (cii->codec->open) {
 			err = cii->codec->open(cii, pi->substream);
 			if (err) {
-				result = err;
 				/* unwind */
 				found_this = 0;
 				list_for_each_entry_reverse(rev,
@@ -214,14 +206,12 @@ static int i2sbus_pcm_open(struct i2sbus_dev *i2sdev, int in)
 					if (rev == cii)
 						found_this = 1;
 				}
-				goto out_unlock;
+				return err;
 			}
 		}
 	}
 
- out_unlock:
-	mutex_unlock(&i2sdev->lock);
-	return result;
+	return 0;
 }
 
 #undef CHECK_RATE
@@ -232,7 +222,7 @@ static int i2sbus_pcm_close(struct i2sbus_dev *i2sdev, int in)
 	struct pcm_info *pi;
 	int err = 0, tmp;
 
-	mutex_lock(&i2sdev->lock);
+	guard(mutex)(&i2sdev->lock);
 
 	get_pcm_info(i2sdev, in, &pi, NULL);
 
@@ -246,7 +236,6 @@ static int i2sbus_pcm_close(struct i2sbus_dev *i2sdev, int in)
 
 	pi->substream = NULL;
 	pi->active = 0;
-	mutex_unlock(&i2sdev->lock);
 	return err;
 }
 
@@ -293,6 +282,23 @@ void i2sbus_wait_for_stop_both(struct i2sbus_dev *i2sdev)
 }
 #endif
 
+static void i2sbus_pcm_clear_active(struct i2sbus_dev *i2sdev, int in)
+{
+	struct pcm_info *pi;
+
+	guard(mutex)(&i2sdev->lock);
+
+	get_pcm_info(i2sdev, in, &pi, NULL);
+	pi->active = 0;
+}
+
+static inline int i2sbus_hw_params(struct snd_pcm_substream *substream,
+				   struct snd_pcm_hw_params *params, int in)
+{
+	i2sbus_pcm_clear_active(snd_pcm_substream_chip(substream), in);
+	return 0;
+}
+
 static inline int i2sbus_hw_free(struct snd_pcm_substream *substream, int in)
 {
 	struct i2sbus_dev *i2sdev = snd_pcm_substream_chip(substream);
@@ -301,14 +307,27 @@ static inline int i2sbus_hw_free(struct snd_pcm_substream *substream, int in)
 	get_pcm_info(i2sdev, in, &pi, NULL);
 	if (pi->dbdma_ring.stopping)
 		i2sbus_wait_for_stop(i2sdev, pi);
+	i2sbus_pcm_clear_active(i2sdev, in);
 	return 0;
 }
 
+static int i2sbus_playback_hw_params(struct snd_pcm_substream *substream,
+				     struct snd_pcm_hw_params *params)
+{
+	return i2sbus_hw_params(substream, params, 0);
+}
+
 static int i2sbus_playback_hw_free(struct snd_pcm_substream *substream)
 {
 	return i2sbus_hw_free(substream, 0);
 }
 
+static int i2sbus_record_hw_params(struct snd_pcm_substream *substream,
+				   struct snd_pcm_hw_params *params)
+{
+	return i2sbus_hw_params(substream, params, 1);
+}
+
 static int i2sbus_record_hw_free(struct snd_pcm_substream *substream)
 {
 	return i2sbus_hw_free(substream, 1);
@@ -330,33 +349,25 @@ static int i2sbus_pcm_prepare(struct i2sbus_dev *i2sdev, int in)
 	int input_16bit;
 	struct pcm_info *pi, *other;
 	int cnt;
-	int result = 0;
 	unsigned int cmd, stopaddr;
 
-	mutex_lock(&i2sdev->lock);
+	guard(mutex)(&i2sdev->lock);
 
 	get_pcm_info(i2sdev, in, &pi, &other);
 
-	if (pi->dbdma_ring.running) {
-		result = -EBUSY;
-		goto out_unlock;
-	}
+	if (pi->dbdma_ring.running)
+		return -EBUSY;
 	if (pi->dbdma_ring.stopping)
 		i2sbus_wait_for_stop(i2sdev, pi);
 
-	if (!pi->substream || !pi->substream->runtime) {
-		result = -EINVAL;
-		goto out_unlock;
-	}
+	if (!pi->substream || !pi->substream->runtime)
+		return -EINVAL;
 
 	runtime = pi->substream->runtime;
-	pi->active = 1;
 	if (other->active &&
 	    ((i2sdev->format != runtime->format)
-	     || (i2sdev->rate != runtime->rate))) {
-		result = -EINVAL;
-		goto out_unlock;
-	}
+	     || (i2sdev->rate != runtime->rate)))
+		return -EINVAL;
 
 	i2sdev->format = runtime->format;
 	i2sdev->rate = runtime->rate;
@@ -400,6 +411,9 @@ static int i2sbus_pcm_prepare(struct i2sbus_dev *i2sdev, int in)
 	/* set stop command */
 	command->command = cpu_to_le16(DBDMA_STOP);
 
+	cii = list_first_entry(&i2sdev->sound.codec_list,
+			       struct codec_info_item, list);
+
 	/* ok, let's set the serial format and stuff */
 	switch (runtime->format) {
 	/* 16 bit formats */
@@ -407,15 +421,7 @@ static int i2sbus_pcm_prepare(struct i2sbus_dev *i2sdev, int in)
 	case SNDRV_PCM_FORMAT_U16_BE:
 		/* FIXME: if we add different bus factors we need to
 		 * do more here!! */
-		bi.bus_factor = 0;
-		list_for_each_entry(cii, &i2sdev->sound.codec_list, list) {
-			bi.bus_factor = cii->codec->bus_factor;
-			break;
-		}
-		if (!bi.bus_factor) {
-			result = -ENODEV;
-			goto out_unlock;
-		}
+		bi.bus_factor = cii->codec->bus_factor;
 		input_16bit = 1;
 		break;
 	case SNDRV_PCM_FORMAT_S32_BE:
@@ -426,22 +432,16 @@ static int i2sbus_pcm_prepare(struct i2sbus_dev *i2sdev, int in)
 		input_16bit = 0;
 		break;
 	default:
-		result = -EINVAL;
-		goto out_unlock;
+		return -EINVAL;
 	}
 	/* we assume all sysclocks are the same! */
-	list_for_each_entry(cii, &i2sdev->sound.codec_list, list) {
-		bi.sysclock_factor = cii->codec->sysclock_factor;
-		break;
-	}
+	bi.sysclock_factor = cii->codec->sysclock_factor;
 
 	if (clock_and_divisors(bi.sysclock_factor,
 			       bi.bus_factor,
 			       runtime->rate,
-			       &sfr) < 0) {
-		result = -EINVAL;
-		goto out_unlock;
-	}
+			       &sfr) < 0)
+		return -EINVAL;
 	switch (bi.bus_factor) {
 	case 32:
 		sfr |= I2S_SF_SERIAL_FORMAT_I2S_32X;
@@ -457,10 +457,8 @@ static int i2sbus_pcm_prepare(struct i2sbus_dev *i2sdev, int in)
 		int err = 0;
 		if (cii->codec->prepare)
 			err = cii->codec->prepare(cii, &bi, pi->substream);
-		if (err) {
-			result = err;
-			goto out_unlock;
-		}
+		if (err)
+			return err;
 	}
 	/* codecs are fine with it, so set our clocks */
 	if (input_16bit)
@@ -474,9 +472,11 @@ static int i2sbus_pcm_prepare(struct i2sbus_dev *i2sdev, int in)
 
 	/* early exit if already programmed correctly */
 	/* not locking these is fine since we touch them only in this function */
-	if (in_le32(&i2sdev->intfregs->serial_format) == sfr
-	 && in_le32(&i2sdev->intfregs->data_word_sizes) == dws)
-		goto out_unlock;
+	if (in_le32(&i2sdev->intfregs->serial_format) == sfr &&
+	    in_le32(&i2sdev->intfregs->data_word_sizes) == dws) {
+		pi->active = 1;
+		return 0;
+	}
 
 	/* let's notify the codecs about clocks going away.
 	 * For now we only do mastering on the i2s cell... */
@@ -514,9 +514,8 @@ static int i2sbus_pcm_prepare(struct i2sbus_dev *i2sdev, int in)
 		if (cii->codec->switch_clock)
 			cii->codec->switch_clock(cii, CLOCK_SWITCH_SLAVE);
 
- out_unlock:
-	mutex_unlock(&i2sdev->lock);
-	return result;
+	pi->active = 1;
+	return 0;
 }
 
 #ifdef CONFIG_PM
@@ -772,6 +771,7 @@ static snd_pcm_uframes_t i2sbus_playback_pointer(struct snd_pcm_substream
 static const struct snd_pcm_ops i2sbus_playback_ops = {
 	.open =		i2sbus_playback_open,
 	.close =	i2sbus_playback_close,
+	.hw_params =	i2sbus_playback_hw_params,
 	.hw_free =	i2sbus_playback_hw_free,
 	.prepare =	i2sbus_playback_prepare,
 	.trigger =	i2sbus_playback_trigger,
@@ -840,6 +840,7 @@ static snd_pcm_uframes_t i2sbus_record_pointer(struct snd_pcm_substream
 static const struct snd_pcm_ops i2sbus_record_ops = {
 	.open =		i2sbus_record_open,
 	.close =	i2sbus_record_close,
+	.hw_params =	i2sbus_record_hw_params,
 	.hw_free =	i2sbus_record_hw_free,
 	.prepare =	i2sbus_record_prepare,
 	.trigger =	i2sbus_record_trigger,
diff --git a/sound/core/control.c b/sound/core/control.c
index dd4bdb39782c..3b464260795e 100644
--- a/sound/core/control.c
+++ b/sound/core/control.c
@@ -1672,6 +1672,10 @@ 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/misc.c b/sound/core/misc.c
index d32a19976a2b..fd891a3ceb96 100644
--- a/sound/core/misc.c
+++ b/sound/core/misc.c
@@ -171,14 +171,18 @@ static LIST_HEAD(snd_fasync_list);
 static void snd_fasync_work_fn(struct work_struct *work)
 {
 	struct snd_fasync *fasync;
+	int signal, poll;
 
 	spin_lock_irq(&snd_fasync_lock);
 	while (!list_empty(&snd_fasync_list)) {
 		fasync = list_first_entry(&snd_fasync_list, struct snd_fasync, list);
 		list_del_init(&fasync->list);
+		if (!fasync->on)
+			continue;
+		signal = fasync->signal;
+		poll = fasync->poll;
 		spin_unlock_irq(&snd_fasync_lock);
-		if (fasync->on)
-			kill_fasync(&fasync->fasync, fasync->signal, fasync->poll);
+		kill_fasync(&fasync->fasync, signal, poll);
 		spin_lock_irq(&snd_fasync_lock);
 	}
 	spin_unlock_irq(&snd_fasync_lock);
@@ -198,35 +202,32 @@ int snd_fasync_helper(int fd, struct file *file, int on,
 		INIT_LIST_HEAD(&fasync->list);
 	}
 
-	spin_lock_irq(&snd_fasync_lock);
-	if (*fasyncp) {
-		kfree(fasync);
-		fasync = *fasyncp;
-	} else {
-		if (!fasync) {
-			spin_unlock_irq(&snd_fasync_lock);
-			return 0;
+	scoped_guard(spinlock_irq, &snd_fasync_lock) {
+		if (*fasyncp) {
+			kfree(fasync);
+			fasync = *fasyncp;
+		} else {
+			if (!fasync)
+				return 0;
+			*fasyncp = fasync;
 		}
-		*fasyncp = fasync;
+		fasync->on = on;
 	}
-	fasync->on = on;
-	spin_unlock_irq(&snd_fasync_lock);
 	return fasync_helper(fd, file, on, &fasync->fasync);
 }
 EXPORT_SYMBOL_GPL(snd_fasync_helper);
 
 void snd_kill_fasync(struct snd_fasync *fasync, int signal, int poll)
 {
-	unsigned long flags;
-
-	if (!fasync || !fasync->on)
+	if (!fasync)
+		return;
+	guard(spinlock_irqsave)(&snd_fasync_lock);
+	if (!fasync->on)
 		return;
-	spin_lock_irqsave(&snd_fasync_lock, flags);
 	fasync->signal = signal;
 	fasync->poll = poll;
 	list_move(&fasync->list, &snd_fasync_list);
 	schedule_work(&snd_fasync_work);
-	spin_unlock_irqrestore(&snd_fasync_lock, flags);
 }
 EXPORT_SYMBOL_GPL(snd_kill_fasync);
 
@@ -234,7 +235,12 @@ void snd_fasync_free(struct snd_fasync *fasync)
 {
 	if (!fasync)
 		return;
-	fasync->on = 0;
+
+	scoped_guard(spinlock_irq, &snd_fasync_lock) {
+		fasync->on = 0;
+		list_del_init(&fasync->list);
+	}
+
 	flush_work(&snd_fasync_work);
 	kfree(fasync);
 }
diff --git a/sound/core/seq/oss/seq_oss_rw.c b/sound/core/seq/oss/seq_oss_rw.c
index 8a142fd54a19..307ef98c44c7 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/seq/seq_clientmgr.c b/sound/core/seq/seq_clientmgr.c
index 31428cdc0f63..9d71decaddd6 100644
--- a/sound/core/seq/seq_clientmgr.c
+++ b/sound/core/seq/seq_clientmgr.c
@@ -1333,7 +1333,11 @@ static int snd_seq_ioctl_set_client_info(struct snd_seq_client *client,
 	if (client->user_pversion >= SNDRV_PROTOCOL_VERSION(1, 0, 3))
 		client->midi_version = client_info->midi_version;
 	memcpy(client->event_filter, client_info->event_filter, 32);
-	client->group_filter = client_info->group_filter;
+	client->group_filter = client_info->group_filter & SND_SEQ_GROUP_FILTER_MASK;
+
+	/* notify the change */
+	snd_seq_system_client_ev_client_change(client->number);
+
 	return 0;
 }
 
@@ -1457,6 +1461,9 @@ static int snd_seq_ioctl_set_port_info(struct snd_seq_client *client, void *arg)
 	if (port) {
 		snd_seq_set_port_info(port, info);
 		snd_seq_port_unlock(port);
+		/* notify the change */
+		snd_seq_system_client_ev_port_change(info->addr.client,
+						     info->addr.port);
 	}
 	return 0;
 }
diff --git a/sound/core/seq/seq_clientmgr.h b/sound/core/seq/seq_clientmgr.h
index 915b1017286e..05c8758f50ad 100644
--- a/sound/core/seq/seq_clientmgr.h
+++ b/sound/core/seq/seq_clientmgr.h
@@ -14,6 +14,9 @@
 
 /* client manager */
 
+#define SND_SEQ_GROUP_FILTER_MASK	GENMASK(SNDRV_UMP_MAX_GROUPS, 0)
+#define SND_SEQ_GROUP_FILTER_GROUPS	GENMASK(SNDRV_UMP_MAX_GROUPS, 1)
+
 struct snd_seq_user_client {
 	struct file *file;	/* file struct of client */
 	/* ... */
@@ -40,7 +43,7 @@ struct snd_seq_client {
 	int number;		/* client number */
 	unsigned int filter;	/* filter flags */
 	DECLARE_BITMAP(event_filter, 256);
-	unsigned short group_filter;
+	unsigned int group_filter;
 	snd_use_lock_t use_lock;
 	int event_lost;
 	/* ports */
diff --git a/sound/core/seq/seq_ump_client.c b/sound/core/seq/seq_ump_client.c
index 1c6c49560ae1..55923ee6c97a 100644
--- a/sound/core/seq/seq_ump_client.c
+++ b/sound/core/seq/seq_ump_client.c
@@ -273,8 +273,6 @@ static void update_port_infos(struct seq_ump_client *client)
 						new);
 		if (err < 0)
 			continue;
-		/* notify to system port */
-		snd_seq_system_client_ev_port_change(client->seq_client, i);
 	}
 }
 
@@ -372,7 +370,7 @@ static void setup_client_group_filter(struct seq_ump_client *client)
 	cptr = snd_seq_kernel_client_get(client->seq_client);
 	if (!cptr)
 		return;
-	filter = ~(1U << 0); /* always allow groupless messages */
+	filter = SND_SEQ_GROUP_FILTER_GROUPS; /* always allow groupless messages */
 	for (p = 0; p < SNDRV_UMP_MAX_GROUPS; p++) {
 		if (client->ump->groups[p].active)
 			filter &= ~(1U << (p + 1));
diff --git a/sound/drivers/pcmtest.c b/sound/drivers/pcmtest.c
index b8bff5522bce..4eb59e9d2322 100644
--- a/sound/drivers/pcmtest.c
+++ b/sound/drivers/pcmtest.c
@@ -753,13 +753,24 @@ static int __init mod_init(void)
 
 	err = init_debug_files(buf_allocated);
 	if (err)
-		return err;
+		goto err_free_patterns;
 	err = platform_device_register(&pcmtst_pdev);
-	if (err)
-		return err;
+	if (err) {
+		platform_device_put(&pcmtst_pdev);
+		goto err_clear_debug;
+	}
 	err = platform_driver_register(&pcmtst_pdrv);
-	if (err)
+	if (err) {
 		platform_device_unregister(&pcmtst_pdev);
+		goto err_clear_debug;
+	}
+
+	return 0;
+
+err_clear_debug:
+	clear_debug_files();
+err_free_patterns:
+	free_pattern_buffers();
 	return err;
 }
 
diff --git a/sound/firewire/tascam/tascam-hwdep.c b/sound/firewire/tascam/tascam-hwdep.c
index 74eed9505665..9c3f68d8daef 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/pci/ctxfi/ctatc.c b/sound/pci/ctxfi/ctatc.c
index fbdb8a3d5b8e..939539af68f6 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/hda/cs35l56_hda.c b/sound/pci/hda/cs35l56_hda.c
index 8d86a13b8a96..bae7b1d592c6 100644
--- a/sound/pci/hda/cs35l56_hda.c
+++ b/sound/pci/hda/cs35l56_hda.c
@@ -176,9 +176,13 @@ static int cs35l56_hda_mixer_get(struct snd_kcontrol *kcontrol,
 {
 	struct cs35l56_hda *cs35l56 = snd_kcontrol_chip(kcontrol);
 	unsigned int reg_val;
-	int i;
+	int i, ret;
+
+	ret = regmap_read(cs35l56->base.regmap, kcontrol->private_value,
+			  &reg_val);
+	if (ret)
+		return ret;
 
-	regmap_read(cs35l56->base.regmap, kcontrol->private_value, &reg_val);
 	reg_val &= CS35L56_ASP_TXn_SRC_MASK;
 
 	for (i = 0; i < CS35L56_NUM_INPUT_SRC; ++i) {
@@ -197,13 +201,18 @@ static int cs35l56_hda_mixer_put(struct snd_kcontrol *kcontrol,
 	struct cs35l56_hda *cs35l56 = snd_kcontrol_chip(kcontrol);
 	unsigned int item = ucontrol->value.enumerated.item[0];
 	bool changed;
+	int ret;
 
 	if (item >= CS35L56_NUM_INPUT_SRC)
 		return -EINVAL;
 
-	regmap_update_bits_check(cs35l56->base.regmap, kcontrol->private_value,
-				 CS35L56_INPUT_MASK, cs35l56_tx_input_values[item],
-				 &changed);
+	ret = regmap_update_bits_check(cs35l56->base.regmap,
+				       kcontrol->private_value,
+				       CS35L56_INPUT_MASK,
+				       cs35l56_tx_input_values[item],
+				       &changed);
+	if (ret)
+		return ret;
 
 	return changed;
 }
diff --git a/sound/soc/amd/yc/acp6x-mach.c b/sound/soc/amd/yc/acp6x-mach.c
index aaa0f44ef9e0..8281cdae9fd0 100644
--- a/sound/soc/amd/yc/acp6x-mach.c
+++ b/sound/soc/amd/yc/acp6x-mach.c
@@ -52,6 +52,13 @@ static const struct dmi_system_id yc_acp_quirk_table[] = {
 			DMI_MATCH(DMI_PRODUCT_NAME, "HP Laptop 15-fc0xxx"),
 		}
 	},
+	{
+		.driver_data = &acp6x_card,
+		.matches = {
+			DMI_MATCH(DMI_BOARD_VENDOR, "HP"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "OMEN Gaming Laptop 16-ap0xxx"),
+		}
+	},
 	{
 		.driver_data = &acp6x_card,
 		.matches = {
@@ -647,6 +654,13 @@ static const struct dmi_system_id yc_acp_quirk_table[] = {
 			DMI_MATCH(DMI_BOARD_NAME, "8EE4"),
 		}
 	},
+	{
+		.driver_data = &acp6x_card,
+		.matches = {
+			DMI_MATCH(DMI_BOARD_VENDOR, "HP"),
+			DMI_MATCH(DMI_BOARD_NAME, "8E35"),
+		}
+	},
 	{
 		.driver_data = &acp6x_card,
 		.matches = {
diff --git a/sound/soc/fsl/fsl_easrc.c b/sound/soc/fsl/fsl_easrc.c
index 13396a167b8a..c78abf7698e0 100644
--- a/sound/soc/fsl/fsl_easrc.c
+++ b/sound/soc/fsl/fsl_easrc.c
@@ -1286,7 +1286,7 @@ 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/intel/boards/bytcr_wm5102.c b/sound/soc/intel/boards/bytcr_wm5102.c
index 5c9e06ed1a53..de95a79d083e 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/qcom/qdsp6/q6apm-dai.c b/sound/soc/qcom/qdsp6/q6apm-dai.c
index 1c2900cccba6..80df74985919 100644
--- a/sound/soc/qcom/qdsp6/q6apm-dai.c
+++ b/sound/soc/qcom/qdsp6/q6apm-dai.c
@@ -321,6 +321,7 @@ static int q6apm_dai_trigger(struct snd_soc_component *component,
 	case SNDRV_PCM_TRIGGER_STOP:
 		/* TODO support be handled via SoftPause Module */
 		prtd->state = Q6APM_STREAM_STOPPED;
+		prtd->queue_ptr = 0;
 		break;
 	case SNDRV_PCM_TRIGGER_SUSPEND:
 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
diff --git a/sound/soc/qcom/qdsp6/q6apm-lpass-dais.c b/sound/soc/qcom/qdsp6/q6apm-lpass-dais.c
index 9fcf8f59ea28..8f8fb537876f 100644
--- a/sound/soc/qcom/qdsp6/q6apm-lpass-dais.c
+++ b/sound/soc/qcom/qdsp6/q6apm-lpass-dais.c
@@ -175,7 +175,7 @@ static int q6apm_lpass_dai_prepare(struct snd_pcm_substream *substream, struct s
 	 * It is recommend to load DSP with source graph first and then sink
 	 * graph, so sequence for playback and capture will be different
 	 */
-	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK && dai_data->graph[dai->id] == NULL) {
 		graph = q6apm_graph_open(dai->dev, NULL, dai->dev, graph_id);
 		if (IS_ERR(graph)) {
 			dev_err(dai->dev, "Failed to open graph (%d)\n", graph_id);
diff --git a/sound/soc/qcom/qdsp6/q6apm.c b/sound/soc/qcom/qdsp6/q6apm.c
index b2ea760ff16e..7b447cb50d50 100644
--- a/sound/soc/qcom/qdsp6/q6apm.c
+++ b/sound/soc/qcom/qdsp6/q6apm.c
@@ -225,6 +225,8 @@ int q6apm_map_memory_regions(struct q6apm_graph *graph, unsigned int dir, phys_a
 
 	mutex_lock(&graph->lock);
 
+	data->dsp_buf = 0;
+
 	if (data->buf) {
 		mutex_unlock(&graph->lock);
 		return 0;
@@ -779,6 +781,7 @@ static int apm_probe(gpr_device_t *gdev)
 
 static void apm_remove(gpr_device_t *gdev)
 {
+	of_platform_depopulate(&gdev->dev);
 	snd_soc_unregister_component(&gdev->dev);
 }
 
diff --git a/sound/soc/sof/compress.c b/sound/soc/sof/compress.c
index d7b044f33d79..c469bb706e4a 100644
--- a/sound/soc/sof/compress.c
+++ b/sound/soc/sof/compress.c
@@ -371,6 +371,9 @@ static int sof_compr_pointer(struct snd_soc_component *component,
 	if (!spcm)
 		return -EINVAL;
 
+	if (!sstream->channels || !sstream->sample_container_bytes)
+		return -EBUSY;
+
 	tstamp->sampling_rate = sstream->sampling_rate;
 	tstamp->copied_total = sstream->copied_total;
 	tstamp->pcm_io_frames = div_u64(spcm->stream[cstream->direction].posn.dai_posn,
diff --git a/sound/usb/6fire/control.c b/sound/usb/6fire/control.c
index 9bd8dcbb68e4..7c2274120c76 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 af459c49baf4..4598fb7e8be0 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 51177ebfb8c6..b20aae0caf60 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)
@@ -411,6 +423,7 @@ static int create_card(struct usb_device *usb_dev,
 
 	cdev = caiaqdev(card);
 	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)
 	scnprintf(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 a9130891bb69..5c70fdf61cc1 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 f6cef6aaca77..b399a7065cf3 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -1397,9 +1397,6 @@ 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;
@@ -1426,6 +1423,9 @@ 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 682adbdf7ee7..aec676a889ac 100644
--- a/sound/usb/format.c
+++ b/sound/usb/format.c
@@ -461,7 +461,7 @@ 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/midi2.c b/sound/usb/midi2.c
index 8c668502e1a5..9e183d9d1b09 100644
--- a/sound/usb/midi2.c
+++ b/sound/usb/midi2.c
@@ -234,7 +234,7 @@ static void kill_midi_urbs(struct snd_usb_midi2_endpoint *ep, bool suspending)
 	if (!ep)
 		return;
 	if (suspending)
-		ep->suspended = ep->running;
+		atomic_set(&ep->suspended, atomic_read(&ep->running));
 	atomic_set(&ep->running, 0);
 	for (i = 0; i < ep->num_urbs; i++) {
 		if (!ep->urbs[i].urb)
@@ -1193,10 +1193,11 @@ void snd_usb_midi_v2_suspend_all(struct snd_usb_audio *chip)
 
 static void resume_midi2_endpoint(struct snd_usb_midi2_endpoint *ep)
 {
-	ep->running = ep->suspended;
-	if (ep->direction == STR_IN)
+	atomic_set(&ep->running, atomic_read(&ep->suspended));
+	atomic_set(&ep->suspended, 0);
+
+	if (ep->direction == STR_IN || atomic_read(&ep->running))
 		submit_io_urbs(ep);
-	/* FIXME: does it all? */
 }
 
 void snd_usb_midi_v2_resume_all(struct snd_usb_audio *chip)
diff --git a/sound/usb/misc/ua101.c b/sound/usb/misc/ua101.c
index 4f6b20ed29dd..303c7a00489e 100644
--- a/sound/usb/misc/ua101.c
+++ b/sound/usb/misc/ua101.c
@@ -994,6 +994,13 @@ 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 223deaef64f4..8c4fb5be3dba 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -1814,10 +1814,11 @@ 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 270a0be672b7..b85896a821b2 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/stream.c b/sound/usb/stream.c
index 12a5e053ec54..920a718f91e6 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/accounting/getdelays.c b/tools/accounting/getdelays.c
index 1334214546d7..3fa750535567 100644
--- a/tools/accounting/getdelays.c
+++ b/tools/accounting/getdelays.c
@@ -59,7 +59,7 @@ int print_task_context_switch_counts;
 	}
 
 /* Maximum size of response requested or message sent */
-#define MAX_MSG_SIZE	1024
+#define MAX_MSG_SIZE	2048
 /* Maximum number of cpus expected to be specified in a cpumask */
 #define MAX_CPUS	32
 
@@ -114,6 +114,32 @@ static int create_nl_socket(int protocol)
 	return -1;
 }
 
+static int recv_taskstats_msg(int sd, struct msgtemplate *msg)
+{
+	struct sockaddr_nl nladdr;
+	struct iovec iov = {
+		.iov_base = msg,
+		.iov_len = sizeof(*msg),
+	};
+	struct msghdr hdr = {
+		.msg_name = &nladdr,
+		.msg_namelen = sizeof(nladdr),
+		.msg_iov = &iov,
+		.msg_iovlen = 1,
+	};
+	int ret;
+
+	ret = recvmsg(sd, &hdr, 0);
+	if (ret < 0)
+		return -1;
+	if (hdr.msg_flags & MSG_TRUNC) {
+		errno = EMSGSIZE;
+		return -1;
+	}
+
+	return ret;
+}
+
 
 static int send_cmd(int sd, __u16 nlmsg_type, __u32 nlmsg_pid,
 	     __u8 genl_cmd, __u16 nla_type,
@@ -465,12 +491,16 @@ int main(int argc, char *argv[])
 	}
 
 	do {
-		rep_len = recv(nl_sd, &msg, sizeof(msg), 0);
+		rep_len = recv_taskstats_msg(nl_sd, &msg);
 		PRINTF("received %d bytes\n", rep_len);
 
 		if (rep_len < 0) {
-			fprintf(stderr, "nonfatal reply error: errno %d\n",
-				errno);
+			if (errno == EMSGSIZE)
+				fprintf(stderr,
+					"dropped truncated taskstats netlink message, please increase MAX_MSG_SIZE\n");
+			else
+				fprintf(stderr, "nonfatal reply error: errno %d\n",
+					errno);
 			continue;
 		}
 		if (msg.n.nlmsg_type == NLMSG_ERROR ||
@@ -512,6 +542,9 @@ int main(int argc, char *argv[])
 							printf("TGID\t%d\n", rtid);
 						break;
 					case TASKSTATS_TYPE_STATS:
+						PRINTF("version %u\n",
+						       ((struct taskstats *)
+							NLA_DATA(na))->version);
 						if (print_delays)
 							print_delayacct((struct taskstats *) NLA_DATA(na));
 						if (print_io_accounting)
diff --git a/tools/accounting/procacct.c b/tools/accounting/procacct.c
index 90c4a37f53d9..298fb3f6d80b 100644
--- a/tools/accounting/procacct.c
+++ b/tools/accounting/procacct.c
@@ -71,7 +71,7 @@ int print_task_context_switch_counts;
 	}
 
 /* Maximum size of response requested or message sent */
-#define MAX_MSG_SIZE	1024
+#define MAX_MSG_SIZE	2048
 /* Maximum number of cpus expected to be specified in a cpumask */
 #define MAX_CPUS	32
 
@@ -121,6 +121,32 @@ static int create_nl_socket(int protocol)
 	return -1;
 }
 
+static int recv_taskstats_msg(int sd, struct msgtemplate *msg)
+{
+	struct sockaddr_nl nladdr;
+	struct iovec iov = {
+		.iov_base = msg,
+		.iov_len = sizeof(*msg),
+	};
+	struct msghdr hdr = {
+		.msg_name = &nladdr,
+		.msg_namelen = sizeof(nladdr),
+		.msg_iov = &iov,
+		.msg_iovlen = 1,
+	};
+	int ret;
+
+	ret = recvmsg(sd, &hdr, 0);
+	if (ret < 0)
+		return -1;
+	if (hdr.msg_flags & MSG_TRUNC) {
+		errno = EMSGSIZE;
+		return -1;
+	}
+
+	return ret;
+}
+
 
 static int send_cmd(int sd, __u16 nlmsg_type, __u32 nlmsg_pid,
 	     __u8 genl_cmd, __u16 nla_type,
@@ -239,6 +265,8 @@ void handle_aggr(int mother, struct nlattr *na, int fd)
 			PRINTF("TGID\t%d\n", rtid);
 			break;
 		case TASKSTATS_TYPE_STATS:
+			PRINTF("version %u\n",
+			       ((struct taskstats *)NLA_DATA(na))->version);
 			if (mother == TASKSTATS_TYPE_AGGR_PID)
 				print_procacct((struct taskstats *) NLA_DATA(na));
 			if (fd) {
@@ -348,12 +376,16 @@ int main(int argc, char *argv[])
 	}
 
 	do {
-		rep_len = recv(nl_sd, &msg, sizeof(msg), 0);
+		rep_len = recv_taskstats_msg(nl_sd, &msg);
 		PRINTF("received %d bytes\n", rep_len);
 
 		if (rep_len < 0) {
-			fprintf(stderr, "nonfatal reply error: errno %d\n",
-				errno);
+			if (errno == EMSGSIZE)
+				fprintf(stderr,
+					"dropped truncated taskstats netlink message, please increase MAX_MSG_SIZE\n");
+			else
+				fprintf(stderr, "nonfatal reply error: errno %d\n",
+					errno);
 			continue;
 		}
 		if (msg.n.nlmsg_type == NLMSG_ERROR ||
diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index a8979280b505..e93ac83270da 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -1777,7 +1777,7 @@ 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/) {
diff --git a/tools/testing/selftests/bpf/progs/verifier_spill_fill.c b/tools/testing/selftests/bpf/progs/verifier_spill_fill.c
index 6115520154e3..1f71f596d33f 100644
--- a/tools/testing/selftests/bpf/progs/verifier_spill_fill.c
+++ b/tools/testing/selftests/bpf/progs/verifier_spill_fill.c
@@ -4,6 +4,7 @@
 #include <linux/bpf.h>
 #include <bpf/bpf_helpers.h>
 #include "bpf_misc.h"
+#include <../../../tools/include/linux/filter.h>
 
 struct {
 	__uint(type, BPF_MAP_TYPE_RINGBUF);
@@ -450,4 +451,284 @@ l0_%=:	r1 >>= 16;					\
 	: __clobber_all);
 }
 
+SEC("raw_tp")
+__log_level(2)
+__success
+__msg("fp-8=0m??mmmm")
+__msg("fp-16=00mm??mm")
+__msg("fp-24=00mm???m")
+__naked void spill_subregs_preserve_stack_zero(void)
+{
+	asm volatile (
+		"call %[bpf_get_prandom_u32];"
+
+		/* 32-bit subreg spill with ZERO, MISC, and INVALID */
+		".8byte %[fp1_u8_st_zero];"   /* ZERO, LLVM-18+: *(u8 *)(r10 -1) = 0; */
+		"*(u8 *)(r10 -2) = r0;"       /* MISC */
+		/* fp-3 and fp-4 stay INVALID */
+		"*(u32 *)(r10 -8) = r0;"
+
+		/* 16-bit subreg spill with ZERO, MISC, and INVALID */
+		".8byte %[fp10_u16_st_zero];" /* ZERO, LLVM-18+: *(u16 *)(r10 -10) = 0; */
+		"*(u16 *)(r10 -12) = r0;"     /* MISC */
+		/* fp-13 and fp-14 stay INVALID */
+		"*(u16 *)(r10 -16) = r0;"
+
+		/* 8-bit subreg spill with ZERO, MISC, and INVALID */
+		".8byte %[fp18_u16_st_zero];" /* ZERO, LLVM-18+: *(u16 *)(r18 -10) = 0; */
+		"*(u16 *)(r10 -20) = r0;"     /* MISC */
+		/* fp-21, fp-22, and fp-23 stay INVALID */
+		"*(u8 *)(r10 -24) = r0;"
+
+		"r0 = 0;"
+		"exit;"
+	:
+	: __imm(bpf_get_prandom_u32),
+	  __imm_insn(fp1_u8_st_zero, BPF_ST_MEM(BPF_B, BPF_REG_FP, -1, 0)),
+	  __imm_insn(fp10_u16_st_zero, BPF_ST_MEM(BPF_H, BPF_REG_FP, -10, 0)),
+	  __imm_insn(fp18_u16_st_zero, BPF_ST_MEM(BPF_H, BPF_REG_FP, -18, 0))
+	: __clobber_all);
+}
+
+char single_byte_buf[1] SEC(".data.single_byte_buf");
+
+SEC("raw_tp")
+__log_level(2)
+__success
+/* make sure fp-8 is all STACK_ZERO */
+__msg("2: (7a) *(u64 *)(r10 -8) = 0          ; R10=fp0 fp-8_w=00000000")
+/* but fp-16 is spilled IMPRECISE zero const reg */
+__msg("4: (7b) *(u64 *)(r10 -16) = r0        ; R0_w=0 R10=fp0 fp-16_w=0")
+/* and now check that precision propagation works even for such tricky case */
+__msg("10: (71) r2 = *(u8 *)(r10 -9)         ; R2_w=P0 R10=fp0 fp-16_w=0")
+__msg("11: (0f) r1 += r2")
+__msg("mark_precise: frame0: last_idx 11 first_idx 0 subseq_idx -1")
+__msg("mark_precise: frame0: regs=r2 stack= before 10: (71) r2 = *(u8 *)(r10 -9)")
+__msg("mark_precise: frame0: regs= stack=-16 before 9: (bf) r1 = r6")
+__msg("mark_precise: frame0: regs= stack=-16 before 8: (73) *(u8 *)(r1 +0) = r2")
+__msg("mark_precise: frame0: regs= stack=-16 before 7: (0f) r1 += r2")
+__msg("mark_precise: frame0: regs= stack=-16 before 6: (71) r2 = *(u8 *)(r10 -1)")
+__msg("mark_precise: frame0: regs= stack=-16 before 5: (bf) r1 = r6")
+__msg("mark_precise: frame0: regs= stack=-16 before 4: (7b) *(u64 *)(r10 -16) = r0")
+__msg("mark_precise: frame0: regs=r0 stack= before 3: (b7) r0 = 0")
+__naked void partial_stack_load_preserves_zeros(void)
+{
+	asm volatile (
+		/* fp-8 is all STACK_ZERO */
+		".8byte %[fp8_st_zero];" /* LLVM-18+: *(u64 *)(r10 -8) = 0; */
+
+		/* fp-16 is const zero register */
+		"r0 = 0;"
+		"*(u64 *)(r10 -16) = r0;"
+
+		/* load single U8 from non-aligned STACK_ZERO slot */
+		"r1 = %[single_byte_buf];"
+		"r2 = *(u8 *)(r10 -1);"
+		"r1 += r2;"
+		"*(u8 *)(r1 + 0) = r2;" /* this should be fine */
+
+		/* load single U8 from non-aligned ZERO REG slot */
+		"r1 = %[single_byte_buf];"
+		"r2 = *(u8 *)(r10 -9);"
+		"r1 += r2;"
+		"*(u8 *)(r1 + 0) = r2;" /* this should be fine */
+
+		/* load single U16 from non-aligned STACK_ZERO slot */
+		"r1 = %[single_byte_buf];"
+		"r2 = *(u16 *)(r10 -2);"
+		"r1 += r2;"
+		"*(u8 *)(r1 + 0) = r2;" /* this should be fine */
+
+		/* load single U16 from non-aligned ZERO REG slot */
+		"r1 = %[single_byte_buf];"
+		"r2 = *(u16 *)(r10 -10);"
+		"r1 += r2;"
+		"*(u8 *)(r1 + 0) = r2;" /* this should be fine */
+
+		/* load single U32 from non-aligned STACK_ZERO slot */
+		"r1 = %[single_byte_buf];"
+		"r2 = *(u32 *)(r10 -4);"
+		"r1 += r2;"
+		"*(u8 *)(r1 + 0) = r2;" /* this should be fine */
+
+		/* load single U32 from non-aligned ZERO REG slot */
+		"r1 = %[single_byte_buf];"
+		"r2 = *(u32 *)(r10 -12);"
+		"r1 += r2;"
+		"*(u8 *)(r1 + 0) = r2;" /* this should be fine */
+
+		/* for completeness, load U64 from STACK_ZERO slot */
+		"r1 = %[single_byte_buf];"
+		"r2 = *(u64 *)(r10 -8);"
+		"r1 += r2;"
+		"*(u8 *)(r1 + 0) = r2;" /* this should be fine */
+
+		/* for completeness, load U64 from ZERO REG slot */
+		"r1 = %[single_byte_buf];"
+		"r2 = *(u64 *)(r10 -16);"
+		"r1 += r2;"
+		"*(u8 *)(r1 + 0) = r2;" /* this should be fine */
+
+		"r0 = 0;"
+		"exit;"
+	:
+	: __imm_ptr(single_byte_buf),
+	  __imm_insn(fp8_st_zero, BPF_ST_MEM(BPF_DW, BPF_REG_FP, -8, 0))
+	: __clobber_common);
+}
+
+char two_byte_buf[2] SEC(".data.two_byte_buf");
+
+SEC("raw_tp")
+__log_level(2) __flag(BPF_F_TEST_STATE_FREQ)
+__success
+/* make sure fp-8 is IMPRECISE fake register spill */
+__msg("3: (7a) *(u64 *)(r10 -8) = 1          ; R10=fp0 fp-8_w=1")
+/* and fp-16 is spilled IMPRECISE const reg */
+__msg("5: (7b) *(u64 *)(r10 -16) = r0        ; R0_w=1 R10=fp0 fp-16_w=1")
+/* validate load from fp-8, which was initialized using BPF_ST_MEM */
+__msg("8: (79) r2 = *(u64 *)(r10 -8)         ; R2_w=1 R10=fp0 fp-8=1")
+__msg("9: (0f) r1 += r2")
+__msg("mark_precise: frame0: last_idx 9 first_idx 7 subseq_idx -1")
+__msg("mark_precise: frame0: regs=r2 stack= before 8: (79) r2 = *(u64 *)(r10 -8)")
+__msg("mark_precise: frame0: regs= stack=-8 before 7: (bf) r1 = r6")
+/* note, fp-8 is precise, fp-16 is not yet precise, we'll get there */
+__msg("mark_precise: frame0: parent state regs= stack=-8:  R0_w=1 R1=ctx(off=0,imm=0) R6_r=map_value(off=0,ks=4,vs=2,imm=0) R10=fp0 fp-8_rw=P1 fp-16_w=1")
+__msg("mark_precise: frame0: last_idx 6 first_idx 3 subseq_idx 7")
+__msg("mark_precise: frame0: regs= stack=-8 before 6: (05) goto pc+0")
+__msg("mark_precise: frame0: regs= stack=-8 before 5: (7b) *(u64 *)(r10 -16) = r0")
+__msg("mark_precise: frame0: regs= stack=-8 before 4: (b7) r0 = 1")
+__msg("mark_precise: frame0: regs= stack=-8 before 3: (7a) *(u64 *)(r10 -8) = 1")
+__msg("10: R1_w=map_value(off=1,ks=4,vs=2,imm=0) R2_w=1")
+/* validate load from fp-16, which was initialized using BPF_STX_MEM */
+__msg("12: (79) r2 = *(u64 *)(r10 -16)       ; R2_w=1 R10=fp0 fp-16=1")
+__msg("13: (0f) r1 += r2")
+__msg("mark_precise: frame0: last_idx 13 first_idx 7 subseq_idx -1")
+__msg("mark_precise: frame0: regs=r2 stack= before 12: (79) r2 = *(u64 *)(r10 -16)")
+__msg("mark_precise: frame0: regs= stack=-16 before 11: (bf) r1 = r6")
+__msg("mark_precise: frame0: regs= stack=-16 before 10: (73) *(u8 *)(r1 +0) = r2")
+__msg("mark_precise: frame0: regs= stack=-16 before 9: (0f) r1 += r2")
+__msg("mark_precise: frame0: regs= stack=-16 before 8: (79) r2 = *(u64 *)(r10 -8)")
+__msg("mark_precise: frame0: regs= stack=-16 before 7: (bf) r1 = r6")
+/* now both fp-8 and fp-16 are precise, very good */
+__msg("mark_precise: frame0: parent state regs= stack=-16:  R0_w=1 R1=ctx(off=0,imm=0) R6_r=map_value(off=0,ks=4,vs=2,imm=0) R10=fp0 fp-8_rw=P1 fp-16_rw=P1")
+__msg("mark_precise: frame0: last_idx 6 first_idx 3 subseq_idx 7")
+__msg("mark_precise: frame0: regs= stack=-16 before 6: (05) goto pc+0")
+__msg("mark_precise: frame0: regs= stack=-16 before 5: (7b) *(u64 *)(r10 -16) = r0")
+__msg("mark_precise: frame0: regs=r0 stack= before 4: (b7) r0 = 1")
+__msg("14: R1_w=map_value(off=1,ks=4,vs=2,imm=0) R2_w=1")
+__naked void stack_load_preserves_const_precision(void)
+{
+	asm volatile (
+		/* establish checkpoint with state that has no stack slots;
+		 * if we bubble up to this state without finding desired stack
+		 * slot, then it's a bug and should be caught
+		 */
+		"goto +0;"
+
+		/* fp-8 is const 1 *fake* register */
+		".8byte %[fp8_st_one];" /* LLVM-18+: *(u64 *)(r10 -8) = 1; */
+
+		/* fp-16 is const 1 register */
+		"r0 = 1;"
+		"*(u64 *)(r10 -16) = r0;"
+
+		/* force checkpoint to check precision marks preserved in parent states */
+		"goto +0;"
+
+		/* load single U64 from aligned FAKE_REG=1 slot */
+		"r1 = %[two_byte_buf];"
+		"r2 = *(u64 *)(r10 -8);"
+		"r1 += r2;"
+		"*(u8 *)(r1 + 0) = r2;" /* this should be fine */
+
+		/* load single U64 from aligned REG=1 slot */
+		"r1 = %[two_byte_buf];"
+		"r2 = *(u64 *)(r10 -16);"
+		"r1 += r2;"
+		"*(u8 *)(r1 + 0) = r2;" /* this should be fine */
+
+		"r0 = 0;"
+		"exit;"
+	:
+	: __imm_ptr(two_byte_buf),
+	  __imm_insn(fp8_st_one, BPF_ST_MEM(BPF_DW, BPF_REG_FP, -8, 1))
+	: __clobber_common);
+}
+
+SEC("raw_tp")
+__log_level(2) __flag(BPF_F_TEST_STATE_FREQ)
+__success
+/* make sure fp-8 is 32-bit FAKE subregister spill */
+__msg("3: (62) *(u32 *)(r10 -8) = 1          ; R10=fp0 fp-8=1")
+/* but fp-16 is spilled IMPRECISE zero const reg */
+__msg("5: (63) *(u32 *)(r10 -16) = r0        ; R0_w=1 R10=fp0 fp-16=1")
+/* validate load from fp-8, which was initialized using BPF_ST_MEM */
+__msg("8: (61) r2 = *(u32 *)(r10 -8)         ; R2_w=1 R10=fp0 fp-8=1")
+__msg("9: (0f) r1 += r2")
+__msg("mark_precise: frame0: last_idx 9 first_idx 7 subseq_idx -1")
+__msg("mark_precise: frame0: regs=r2 stack= before 8: (61) r2 = *(u32 *)(r10 -8)")
+__msg("mark_precise: frame0: regs= stack=-8 before 7: (bf) r1 = r6")
+__msg("mark_precise: frame0: parent state regs= stack=-8:  R0_w=1 R1=ctx(off=0,imm=0) R6_r=map_value(off=0,ks=4,vs=2,imm=0) R10=fp0 fp-8_r=P1 fp-16=1")
+__msg("mark_precise: frame0: last_idx 6 first_idx 3 subseq_idx 7")
+__msg("mark_precise: frame0: regs= stack=-8 before 6: (05) goto pc+0")
+__msg("mark_precise: frame0: regs= stack=-8 before 5: (63) *(u32 *)(r10 -16) = r0")
+__msg("mark_precise: frame0: regs= stack=-8 before 4: (b7) r0 = 1")
+__msg("mark_precise: frame0: regs= stack=-8 before 3: (62) *(u32 *)(r10 -8) = 1")
+__msg("10: R1_w=map_value(off=1,ks=4,vs=2,imm=0) R2_w=1")
+/* validate load from fp-16, which was initialized using BPF_STX_MEM */
+__msg("12: (61) r2 = *(u32 *)(r10 -16)       ; R2_w=1 R10=fp0 fp-16=1")
+__msg("13: (0f) r1 += r2")
+__msg("mark_precise: frame0: last_idx 13 first_idx 7 subseq_idx -1")
+__msg("mark_precise: frame0: regs=r2 stack= before 12: (61) r2 = *(u32 *)(r10 -16)")
+__msg("mark_precise: frame0: regs= stack=-16 before 11: (bf) r1 = r6")
+__msg("mark_precise: frame0: regs= stack=-16 before 10: (73) *(u8 *)(r1 +0) = r2")
+__msg("mark_precise: frame0: regs= stack=-16 before 9: (0f) r1 += r2")
+__msg("mark_precise: frame0: regs= stack=-16 before 8: (61) r2 = *(u32 *)(r10 -8)")
+__msg("mark_precise: frame0: regs= stack=-16 before 7: (bf) r1 = r6")
+__msg("mark_precise: frame0: parent state regs= stack=-16:  R0_w=1 R1=ctx(off=0,imm=0) R6_r=map_value(off=0,ks=4,vs=2,imm=0) R10=fp0 fp-8_r=P1 fp-16_r=P1")
+__msg("mark_precise: frame0: last_idx 6 first_idx 3 subseq_idx 7")
+__msg("mark_precise: frame0: regs= stack=-16 before 6: (05) goto pc+0")
+__msg("mark_precise: frame0: regs= stack=-16 before 5: (63) *(u32 *)(r10 -16) = r0")
+__msg("mark_precise: frame0: regs=r0 stack= before 4: (b7) r0 = 1")
+__msg("14: R1_w=map_value(off=1,ks=4,vs=2,imm=0) R2_w=1")
+__naked void stack_load_preserves_const_precision_subreg(void)
+{
+	asm volatile (
+		/* establish checkpoint with state that has no stack slots;
+		 * if we bubble up to this state without finding desired stack
+		 * slot, then it's a bug and should be caught
+		 */
+		"goto +0;"
+
+		/* fp-8 is const 1 *fake* SUB-register */
+		".8byte %[fp8_st_one];" /* LLVM-18+: *(u32 *)(r10 -8) = 1; */
+
+		/* fp-16 is const 1 SUB-register */
+		"r0 = 1;"
+		"*(u32 *)(r10 -16) = r0;"
+
+		/* force checkpoint to check precision marks preserved in parent states */
+		"goto +0;"
+
+		/* load single U32 from aligned FAKE_REG=1 slot */
+		"r1 = %[two_byte_buf];"
+		"r2 = *(u32 *)(r10 -8);"
+		"r1 += r2;"
+		"*(u8 *)(r1 + 0) = r2;" /* this should be fine */
+
+		/* load single U32 from aligned REG=1 slot */
+		"r1 = %[two_byte_buf];"
+		"r2 = *(u32 *)(r10 -16);"
+		"r1 += r2;"
+		"*(u8 *)(r1 + 0) = r2;" /* this should be fine */
+
+		"r0 = 0;"
+		"exit;"
+	:
+	: __imm_ptr(two_byte_buf),
+	  __imm_insn(fp8_st_one, BPF_ST_MEM(BPF_W, BPF_REG_FP, -8, 1)) /* 32-bit spill */
+	: __clobber_common);
+}
+
 char _license[] SEC("license") = "GPL";
diff --git a/tools/testing/selftests/bpf/progs/verifier_subprog_precision.c b/tools/testing/selftests/bpf/progs/verifier_subprog_precision.c
index f61d623b1ce8..4b8b0f45d17d 100644
--- a/tools/testing/selftests/bpf/progs/verifier_subprog_precision.c
+++ b/tools/testing/selftests/bpf/progs/verifier_subprog_precision.c
@@ -541,11 +541,24 @@ static __u64 subprog_spill_reg_precise(void)
 
 SEC("?raw_tp")
 __success __log_level(2)
-/* precision backtracking can't currently handle stack access not through r10,
- * so we won't be able to mark stack slot fp-8 as precise, and so will
- * fallback to forcing all as precise
- */
-__msg("mark_precise: frame0: falling back to forcing all scalars precise")
+__msg("10: (0f) r1 += r7")
+__msg("mark_precise: frame0: last_idx 10 first_idx 7 subseq_idx -1")
+__msg("mark_precise: frame0: regs=r7 stack= before 9: (bf) r1 = r8")
+__msg("mark_precise: frame0: regs=r7 stack= before 8: (27) r7 *= 4")
+__msg("mark_precise: frame0: regs=r7 stack= before 7: (79) r7 = *(u64 *)(r10 -8)")
+__msg("mark_precise: frame0: parent state regs= stack=-8:  R0_w=2 R6_w=1 R8_rw=map_value(off=0,ks=4,vs=16,imm=0) R10=fp0 fp-8_rw=P1")
+__msg("mark_precise: frame0: last_idx 18 first_idx 0 subseq_idx 7")
+__msg("mark_precise: frame0: regs= stack=-8 before 18: (95) exit")
+__msg("mark_precise: frame1: regs= stack= before 17: (0f) r0 += r2")
+__msg("mark_precise: frame1: regs= stack= before 16: (79) r2 = *(u64 *)(r1 +0)")
+__msg("mark_precise: frame1: regs= stack= before 15: (79) r0 = *(u64 *)(r10 -16)")
+__msg("mark_precise: frame1: regs= stack= before 14: (7b) *(u64 *)(r10 -16) = r2")
+__msg("mark_precise: frame1: regs= stack= before 13: (7b) *(u64 *)(r1 +0) = r2")
+__msg("mark_precise: frame1: regs=r2 stack= before 6: (85) call pc+6")
+__msg("mark_precise: frame0: regs=r2 stack= before 5: (bf) r2 = r6")
+__msg("mark_precise: frame0: regs=r6 stack= before 4: (07) r1 += -8")
+__msg("mark_precise: frame0: regs=r6 stack= before 3: (bf) r1 = r10")
+__msg("mark_precise: frame0: regs=r6 stack= before 2: (b7) r6 = 1")
 __naked int subprog_spill_into_parent_stack_slot_precise(void)
 {
 	asm volatile (
@@ -580,14 +593,68 @@ __naked int subprog_spill_into_parent_stack_slot_precise(void)
 	);
 }
 
-__naked __noinline __used
-static __u64 subprog_with_checkpoint(void)
+SEC("?raw_tp")
+__success __log_level(2)
+__msg("17: (0f) r1 += r0")
+__msg("mark_precise: frame0: last_idx 17 first_idx 0 subseq_idx -1")
+__msg("mark_precise: frame0: regs=r0 stack= before 16: (bf) r1 = r7")
+__msg("mark_precise: frame0: regs=r0 stack= before 15: (27) r0 *= 4")
+__msg("mark_precise: frame0: regs=r0 stack= before 14: (79) r0 = *(u64 *)(r10 -16)")
+__msg("mark_precise: frame0: regs= stack=-16 before 13: (7b) *(u64 *)(r7 -8) = r0")
+__msg("mark_precise: frame0: regs=r0 stack= before 12: (79) r0 = *(u64 *)(r8 +16)")
+__msg("mark_precise: frame0: regs= stack=-16 before 11: (7b) *(u64 *)(r8 +16) = r0")
+__msg("mark_precise: frame0: regs=r0 stack= before 10: (79) r0 = *(u64 *)(r7 -8)")
+__msg("mark_precise: frame0: regs= stack=-16 before 9: (7b) *(u64 *)(r10 -16) = r0")
+__msg("mark_precise: frame0: regs=r0 stack= before 8: (07) r8 += -32")
+__msg("mark_precise: frame0: regs=r0 stack= before 7: (bf) r8 = r10")
+__msg("mark_precise: frame0: regs=r0 stack= before 6: (07) r7 += -8")
+__msg("mark_precise: frame0: regs=r0 stack= before 5: (bf) r7 = r10")
+__msg("mark_precise: frame0: regs=r0 stack= before 21: (95) exit")
+__msg("mark_precise: frame1: regs=r0 stack= before 20: (bf) r0 = r1")
+__msg("mark_precise: frame1: regs=r1 stack= before 4: (85) call pc+15")
+__msg("mark_precise: frame0: regs=r1 stack= before 3: (bf) r1 = r6")
+__msg("mark_precise: frame0: regs=r6 stack= before 2: (b7) r6 = 1")
+__naked int stack_slot_aliases_precision(void)
 {
 	asm volatile (
-		"r0 = 0;"
-		/* guaranteed checkpoint if BPF_F_TEST_STATE_FREQ is used */
-		"goto +0;"
+		"r6 = 1;"
+		/* pass r6 through r1 into subprog to get it back as r0;
+		 * this whole chain will have to be marked as precise later
+		 */
+		"r1 = r6;"
+		"call identity_subprog;"
+		/* let's setup two registers that are aliased to r10 */
+		"r7 = r10;"
+		"r7 += -8;"			/* r7 = r10 - 8 */
+		"r8 = r10;"
+		"r8 += -32;"			/* r8 = r10 - 32 */
+		/* now spill subprog's return value (a r6 -> r1 -> r0 chain)
+		 * a few times through different stack pointer regs, making
+		 * sure to use r10, r7, and r8 both in LDX and STX insns, and
+		 * *importantly* also using a combination of const var_off and
+		 * insn->off to validate that we record final stack slot
+		 * correctly, instead of relying on just insn->off derivation,
+		 * which is only valid for r10-based stack offset
+		 */
+		"*(u64 *)(r10 - 16) = r0;"
+		"r0 = *(u64 *)(r7 - 8);"	/* r7 - 8 == r10 - 16 */
+		"*(u64 *)(r8 + 16) = r0;"	/* r8 + 16 = r10 - 16 */
+		"r0 = *(u64 *)(r8 + 16);"
+		"*(u64 *)(r7 - 8) = r0;"
+		"r0 = *(u64 *)(r10 - 16);"
+		/* get ready to use r0 as an index into array to force precision */
+		"r0 *= 4;"
+		"r1 = %[vals];"
+		/* here r0->r1->r6 chain is forced to be precise and has to be
+		 * propagated back to the beginning, including through the
+		 * subprog call and all the stack spills and loads
+		 */
+		"r1 += r0;"
+		"r0 = *(u32 *)(r1 + 0);"
 		"exit;"
+		:
+		: __imm_ptr(vals)
+		: __clobber_common, "r6"
 	);
 }
 
diff --git a/tools/testing/selftests/bpf/verifier/precise.c b/tools/testing/selftests/bpf/verifier/precise.c
index 0d84dd1f38b6..8a2ff81d8350 100644
--- a/tools/testing/selftests/bpf/verifier/precise.c
+++ b/tools/testing/selftests/bpf/verifier/precise.c
@@ -140,10 +140,11 @@
 	.result = REJECT,
 },
 {
-	"precise: ST insn causing spi > allocated_stack",
+	"precise: ST zero to stack insn is supported",
 	.insns = {
 	BPF_MOV64_REG(BPF_REG_3, BPF_REG_10),
 	BPF_JMP_IMM(BPF_JNE, BPF_REG_3, 123, 0),
+	/* not a register spill, so we stop precision propagation for R4 here */
 	BPF_ST_MEM(BPF_DW, BPF_REG_3, -8, 0),
 	BPF_LDX_MEM(BPF_DW, BPF_REG_4, BPF_REG_10, -8),
 	BPF_MOV64_IMM(BPF_REG_0, -1),
@@ -157,11 +158,11 @@
 	mark_precise: frame0: last_idx 4 first_idx 2\
 	mark_precise: frame0: regs=r4 stack= before 4\
 	mark_precise: frame0: regs=r4 stack= before 3\
-	mark_precise: frame0: regs= stack=-8 before 2\
-	mark_precise: frame0: falling back to forcing all scalars precise\
-	force_precise: frame0: forcing r0 to be precise\
 	mark_precise: frame0: last_idx 5 first_idx 5\
-	mark_precise: frame0: parent state regs= stack=:",
+	mark_precise: frame0: parent state regs=r0 stack=:\
+	mark_precise: frame0: last_idx 4 first_idx 2\
+	mark_precise: frame0: regs=r0 stack= before 4\
+	5: R0=-1 R4=0",
 	.result = VERBOSE_ACCEPT,
 	.retval = -1,
 },
@@ -169,6 +170,8 @@
 	"precise: STX insn causing spi > allocated_stack",
 	.insns = {
 	BPF_RAW_INSN(BPF_JMP | BPF_CALL, 0, 0, 0, BPF_FUNC_get_prandom_u32),
+	/* make later reg spill more interesting by having somewhat known scalar */
+	BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 0xff),
 	BPF_MOV64_REG(BPF_REG_3, BPF_REG_10),
 	BPF_JMP_IMM(BPF_JNE, BPF_REG_3, 123, 0),
 	BPF_STX_MEM(BPF_DW, BPF_REG_3, BPF_REG_0, -8),
@@ -179,18 +182,21 @@
 	},
 	.prog_type = BPF_PROG_TYPE_XDP,
 	.flags = BPF_F_TEST_STATE_FREQ,
-	.errstr = "mark_precise: frame0: last_idx 6 first_idx 6\
+	.errstr = "mark_precise: frame0: last_idx 7 first_idx 7\
 	mark_precise: frame0: parent state regs=r4 stack=:\
-	mark_precise: frame0: last_idx 5 first_idx 3\
-	mark_precise: frame0: regs=r4 stack= before 5\
-	mark_precise: frame0: regs=r4 stack= before 4\
-	mark_precise: frame0: regs= stack=-8 before 3\
-	mark_precise: frame0: falling back to forcing all scalars precise\
-	force_precise: frame0: forcing r0 to be precise\
-	force_precise: frame0: forcing r0 to be precise\
-	force_precise: frame0: forcing r0 to be precise\
-	force_precise: frame0: forcing r0 to be precise\
-	mark_precise: frame0: last_idx 6 first_idx 6\
+	mark_precise: frame0: last_idx 6 first_idx 4\
+	mark_precise: frame0: regs=r4 stack= before 6: (b7) r0 = -1\
+	mark_precise: frame0: regs=r4 stack= before 5: (79) r4 = *(u64 *)(r10 -8)\
+	mark_precise: frame0: regs= stack=-8 before 4: (7b) *(u64 *)(r3 -8) = r0\
+	mark_precise: frame0: parent state regs=r0 stack=:\
+	mark_precise: frame0: last_idx 3 first_idx 3\
+	mark_precise: frame0: regs=r0 stack= before 3: (55) if r3 != 0x7b goto pc+0\
+	mark_precise: frame0: regs=r0 stack= before 2: (bf) r3 = r10\
+	mark_precise: frame0: regs=r0 stack= before 1: (57) r0 &= 255\
+	mark_precise: frame0: parent state regs=r0 stack=:\
+	mark_precise: frame0: last_idx 0 first_idx 0\
+	mark_precise: frame0: regs=r0 stack= before 0: (85) call bpf_get_prandom_u32#7\
+	mark_precise: frame0: last_idx 7 first_idx 7\
 	mark_precise: frame0: parent state regs= stack=:",
 	.result = VERBOSE_ACCEPT,
 	.retval = -1,
diff --git a/tools/testing/selftests/mqueue/setting b/tools/testing/selftests/mqueue/settings
similarity index 100%
rename from tools/testing/selftests/mqueue/setting
rename to tools/testing/selftests/mqueue/settings
