Merge 749a916a9c ("usb: dwc3: ep0: Don't clear ep0 DWC3_EP_TRANSFER_STARTED") into android14-6.1-lts

Steps on the way to 6.1.121

Resolves merge conflicts in:
        fs/f2fs/file.c
        fs/f2fs/segment.c

Change-Id: Ib221190cc792a39283e1aac50f5038484f2ef1a2
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

Documentation/ABI/testing/sysfs-fs-f2fs

@@ -311,10 +311,13 @@ Description:	Do background GC aggressively when set. Set to 0 by default.
 		GC approach and turns SSR mode on.
 		gc urgent low(2): lowers the bar of checking I/O idling in
 		order to process outstanding discard commands and GC a
-		little bit aggressively. uses cost benefit GC approach.
+		little bit aggressively. always uses cost benefit GC approach,
+		and will override age-threshold GC approach if ATGC is enabled
+		at the same time.
 		gc urgent mid(3): does GC forcibly in a period of given
 		gc_urgent_sleep_time and executes a mid level of I/O idling check.
-		uses cost benefit GC approach.
+		always uses cost benefit GC approach, and will override
+		age-threshold GC approach if ATGC is enabled at the same time.
 
 What:		/sys/fs/f2fs/<disk>/gc_urgent_sleep_time
 Date:		August 2017

Documentation/devicetree/bindings/clock/adi,axi-clkgen.yaml

@@ -26,9 +26,21 @@ properties:
     description:
       Specifies the reference clock(s) from which the output frequency is
       derived. This must either reference one clock if only the first clock
-      input is connected or two if both clock inputs are connected.
-    minItems: 1
-    maxItems: 2
+      input is connected or two if both clock inputs are connected. The last
+      clock is the AXI bus clock that needs to be enabled so we can access the
+      core registers.
+    minItems: 2
+    maxItems: 3
+
+  clock-names:
+    oneOf:
+      - items:
+          - const: clkin1
+          - const: s_axi_aclk
+      - items:
+          - const: clkin1
+          - const: clkin2
+          - const: s_axi_aclk
 
   '#clock-cells':
     const: 0
@@ -40,6 +52,7 @@ required:
   - compatible
   - reg
   - clocks
+  - clock-names
   - '#clock-cells'
 
 additionalProperties: false
@@ -50,5 +63,6 @@ examples:
       compatible = "adi,axi-clkgen-2.00.a";
       #clock-cells = <0>;
       reg = <0xff000000 0x1000>;
-      clocks = <&osc 1>;
+      clocks = <&osc 1>, <&clkc 15>;
+      clock-names = "clkin1", "s_axi_aclk";
     };

Documentation/devicetree/bindings/iio/dac/adi,ad3552r.yaml

@@ -26,7 +26,7 @@ properties:
     maxItems: 1
 
   spi-max-frequency:
-    maximum: 30000000
+    maximum: 66000000
 
   reset-gpios:
     maxItems: 1

Documentation/devicetree/bindings/serial/rs485.yaml

@@ -18,16 +18,15 @@ properties:
     description: prop-encoded-array <a b>
     $ref: /schemas/types.yaml#/definitions/uint32-array
     items:
-      items:
-        - description: Delay between rts signal and beginning of data sent in
-            milliseconds. It corresponds to the delay before sending data.
-          default: 0
-          maximum: 100
-        - description: Delay between end of data sent and rts signal in milliseconds.
-            It corresponds to the delay after sending data and actual release
-            of the line.
-          default: 0
-          maximum: 100
+      - description: Delay between rts signal and beginning of data sent in
+          milliseconds. It corresponds to the delay before sending data.
+        default: 0
+        maximum: 100
+      - description: Delay between end of data sent and rts signal in milliseconds.
+          It corresponds to the delay after sending data and actual release
+          of the line.
+        default: 0
+        maximum: 100
 
   rs485-rts-active-low:
     description: drive RTS low when sending (default is high).

Documentation/filesystems/mount_api.rst

@@ -778,7 +778,8 @@ process the parameters it is given.
 
    * ::
 
-       bool fs_validate_description(const struct fs_parameter_description *desc);
+       bool fs_validate_description(const char *name,
+                                    const struct fs_parameter_description *desc);
 
      This performs some validation checks on a parameter description.  It
      returns true if the description is good and false if it is not.  It will

arch/arm/kernel/entry-armv.S

@@ -25,6 +25,7 @@
 #include <asm/tls.h>
 #include <asm/system_info.h>
 #include <asm/uaccess-asm.h>
+#include <asm/kasan_def.h>
 
 #include "entry-header.S"
 #include <asm/probes.h>
@@ -787,6 +788,13 @@ ENTRY(__switch_to)
 	@ entries covering the vmalloc region.
 	@
 	ldr	r2, [ip]
+#ifdef CONFIG_KASAN_VMALLOC
+	@ Also dummy read from the KASAN shadow memory for the new stack if we
+	@ are using KASAN
+	mov_l	r2, KASAN_SHADOW_OFFSET
+	add	r2, r2, ip, lsr #KASAN_SHADOW_SCALE_SHIFT
+	ldr	r2, [r2]
+#endif
 #endif
 
 	@ When CONFIG_THREAD_INFO_IN_TASK=n, the update of SP itself is what

arch/arm/mm/ioremap.c

@@ -23,6 +23,7 @@
  */
 #include <linux/module.h>
 #include <linux/errno.h>
+#include <linux/kasan.h>
 #include <linux/mm.h>
 #include <linux/vmalloc.h>
 #include <linux/io.h>
@@ -115,16 +116,40 @@ int ioremap_page(unsigned long virt, unsigned long phys,
 }
 EXPORT_SYMBOL(ioremap_page);
 
+#ifdef CONFIG_KASAN
+static unsigned long arm_kasan_mem_to_shadow(unsigned long addr)
+{
+	return (unsigned long)kasan_mem_to_shadow((void *)addr);
+}
+#else
+static unsigned long arm_kasan_mem_to_shadow(unsigned long addr)
+{
+	return 0;
+}
+#endif
+
+static void memcpy_pgd(struct mm_struct *mm, unsigned long start,
+		       unsigned long end)
+{
+	end = ALIGN(end, PGDIR_SIZE);
+	memcpy(pgd_offset(mm, start), pgd_offset_k(start),
+	       sizeof(pgd_t) * (pgd_index(end) - pgd_index(start)));
+}
+
 void __check_vmalloc_seq(struct mm_struct *mm)
 {
 	int seq;
 
 	do {
-		seq = atomic_read(&init_mm.context.vmalloc_seq);
-		memcpy(pgd_offset(mm, VMALLOC_START),
-		       pgd_offset_k(VMALLOC_START),
-		       sizeof(pgd_t) * (pgd_index(VMALLOC_END) -
-					pgd_index(VMALLOC_START)));
+		seq = atomic_read_acquire(&init_mm.context.vmalloc_seq);
+		memcpy_pgd(mm, VMALLOC_START, VMALLOC_END);
+		if (IS_ENABLED(CONFIG_KASAN_VMALLOC)) {
+			unsigned long start =
+				arm_kasan_mem_to_shadow(VMALLOC_START);
+			unsigned long end =
+				arm_kasan_mem_to_shadow(VMALLOC_END);
+			memcpy_pgd(mm, start, end);
+		}
 		/*
 		 * Use a store-release so that other CPUs that observe the
 		 * counter's new value are guaranteed to see the results of the

arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi

@@ -202,6 +202,9 @@
 		interrupts = <7 5 IRQ_TYPE_EDGE_RISING>; /* PH5 */
 		vdd-supply = <&reg_dldo1>;
 		vddio-supply = <&reg_dldo1>;
+		mount-matrix = "0", "1", "0",
+			       "-1", "0", "0",
+			       "0", "0", "1";
 	};
 };
 

arch/arm64/boot/dts/freescale/imx8mm-verdin.dtsi

@@ -141,7 +141,7 @@
 		regulator-max-microvolt = <3300000>;
 		regulator-min-microvolt = <3300000>;
 		regulator-name = "+V3.3_SD";
-		startup-delay-us = <2000>;
+		startup-delay-us = <20000>;
 	};
 
 	reserved-memory {

arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi

@@ -133,7 +133,7 @@
 		regulator-max-microvolt = <3300000>;
 		regulator-min-microvolt = <3300000>;
 		regulator-name = "+V3.3_SD";
-		startup-delay-us = <2000>;
+		startup-delay-us = <20000>;
 	};
 
 	reserved-memory {

arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi

@@ -906,6 +906,7 @@
 
 	vusb33-supply = <&mt6359_vusb_ldo_reg>;
 	vbus-supply = <&usb_vbus>;
+	mediatek,u3p-dis-msk = <1>;
 };
 
 &xhci2 {
@@ -922,7 +923,6 @@
 	usb2-lpm-disable;
 	vusb33-supply = <&mt6359_vusb_ldo_reg>;
 	vbus-supply = <&usb_vbus>;
-	mediatek,u3p-dis-msk = <1>;
 };
 
 #include <arm/cros-ec-keyboard.dtsi>

arch/arm64/kernel/process.c

@@ -429,7 +429,7 @@ static void tls_thread_switch(struct task_struct *next)
 
 	if (is_compat_thread(task_thread_info(next)))
 		write_sysreg(next->thread.uw.tp_value, tpidrro_el0);
-	else if (!arm64_kernel_unmapped_at_el0())
+	else
 		write_sysreg(0, tpidrro_el0);
 
 	write_sysreg(*task_user_tls(next), tpidr_el0);

arch/arm64/kvm/arm.c

@@ -1003,7 +1003,7 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu)
 
 	if (run->exit_reason == KVM_EXIT_MMIO) {
 		ret = kvm_handle_mmio_return(vcpu);
-		if (ret)
+		if (ret <= 0)
 			return ret;
 	}
 

arch/arm64/kvm/mmio.c

@@ -72,6 +72,31 @@ unsigned long kvm_mmio_read_buf(const void *buf, unsigned int len)
 	return data;
 }
 
+static bool kvm_pending_sync_exception(struct kvm_vcpu *vcpu)
+{
+	if (!vcpu_get_flag(vcpu, PENDING_EXCEPTION))
+		return false;
+
+	if (vcpu_el1_is_32bit(vcpu)) {
+		switch (vcpu_get_flag(vcpu, EXCEPT_MASK)) {
+		case unpack_vcpu_flag(EXCEPT_AA32_UND):
+		case unpack_vcpu_flag(EXCEPT_AA32_IABT):
+		case unpack_vcpu_flag(EXCEPT_AA32_DABT):
+			return true;
+		default:
+			return false;
+		}
+	} else {
+		switch (vcpu_get_flag(vcpu, EXCEPT_MASK)) {
+		case unpack_vcpu_flag(EXCEPT_AA64_EL1_SYNC):
+		case unpack_vcpu_flag(EXCEPT_AA64_EL2_SYNC):
+			return true;
+		default:
+			return false;
+		}
+	}
+}
+
 /**
  * kvm_handle_mmio_return -- Handle MMIO loads after user space emulation
  *			     or in-kernel IO emulation
@@ -84,9 +109,12 @@ int kvm_handle_mmio_return(struct kvm_vcpu *vcpu)
 	unsigned int len;
 	int mask;
 
-	/* Detect an already handled MMIO return */
-	if (unlikely(!vcpu->mmio_needed))
-		return 0;
+	/*
+	 * Detect if the MMIO return was already handled or if userspace aborted
+	 * the MMIO access.
+	 */
+	if (unlikely(!vcpu->mmio_needed || kvm_pending_sync_exception(vcpu)))
+		return 1;
 
 	vcpu->mmio_needed = 0;
 
@@ -117,7 +145,7 @@ int kvm_handle_mmio_return(struct kvm_vcpu *vcpu)
 	 */
 	kvm_incr_pc(vcpu);
 
-	return 0;
+	return 1;
 }
 
 int io_mem_abort(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa)

arch/arm64/kvm/pmu-emul.c

@@ -294,7 +294,6 @@ static u64 kvm_pmu_overflow_status(struct kvm_vcpu *vcpu)
 
 	if ((__vcpu_sys_reg(vcpu, PMCR_EL0) & ARMV8_PMU_PMCR_E)) {
 		reg = __vcpu_sys_reg(vcpu, PMOVSSET_EL0);
-		reg &= __vcpu_sys_reg(vcpu, PMCNTENSET_EL0);
 		reg &= __vcpu_sys_reg(vcpu, PMINTENSET_EL1);
 	}
 

arch/arm64/kvm/vgic/vgic-mmio-v3.c

@@ -555,6 +555,7 @@ static void vgic_mmio_write_invlpi(struct kvm_vcpu *vcpu,
 				   unsigned long val)
 {
 	struct vgic_irq *irq;
+	u32 intid;
 
 	/*
 	 * If the guest wrote only to the upper 32bit part of the
@@ -566,9 +567,13 @@ static void vgic_mmio_write_invlpi(struct kvm_vcpu *vcpu,
 	if ((addr & 4) || !vgic_lpis_enabled(vcpu))
 		return;
 
+	intid = lower_32_bits(val);
+	if (intid < VGIC_MIN_LPI)
+		return;
+
 	vgic_set_rdist_busy(vcpu, true);
 
-	irq = vgic_get_irq(vcpu->kvm, NULL, lower_32_bits(val));
+	irq = vgic_get_irq(vcpu->kvm, NULL, intid);
 	if (irq) {
 		vgic_its_inv_lpi(vcpu->kvm, irq);
 		vgic_put_irq(vcpu->kvm, irq);

arch/loongarch/Makefile

@@ -41,8 +41,8 @@ ld-emul			= $(64bit-emul)
 cflags-y		+= -mabi=lp64s
 endif
 
-cflags-y			+= -G0 -pipe -msoft-float
-LDFLAGS_vmlinux			+= -G0 -static -n -nostdlib
+cflags-y			+= -pipe -msoft-float
+LDFLAGS_vmlinux			+= -static -n -nostdlib
 
 # When the assembler supports explicit relocation hint, we must use it.
 # GCC may have -mexplicit-relocs off by default if it was built with an old
@@ -51,13 +51,18 @@ LDFLAGS_vmlinux			+= -G0 -static -n -nostdlib
 # When the assembler does not supports explicit relocation hint, we can't use
 # it.  Disable it if the compiler supports it.
 #
-# If you've seen "unknown reloc hint" message building the kernel and you are
-# now wondering why "-mexplicit-relocs" is not wrapped with cc-option: the
-# combination of a "new" assembler and "old" compiler is not supported.  Either
-# upgrade the compiler or downgrade the assembler.
+# The combination of a "new" assembler and "old" GCC is not supported, given
+# the rarity of this combo and the extra complexity needed to make it work.
+# Either upgrade the compiler or downgrade the assembler; the build will error
+# out if it is the case (by probing for the model attribute; all supported
+# compilers in this case would have support).
+#
+# Also, -mdirect-extern-access is useful in case of building with explicit
+# relocs, for avoiding unnecessary GOT accesses. It is harmless to not have
+# support though.
 ifdef CONFIG_AS_HAS_EXPLICIT_RELOCS
-cflags-y			+= -mexplicit-relocs
-KBUILD_CFLAGS_KERNEL		+= -mdirect-extern-access
+cflags-y			+= $(call cc-option,-mexplicit-relocs)
+KBUILD_CFLAGS_KERNEL		+= $(call cc-option,-mdirect-extern-access)
 else
 cflags-y			+= $(call cc-option,-mno-explicit-relocs)
 KBUILD_AFLAGS_KERNEL		+= -Wa,-mla-global-with-pcrel

arch/loongarch/include/asm/percpu.h

@@ -14,7 +14,11 @@
  * loaded. Tell the compiler this fact when using explicit relocs.
  */
 #if defined(MODULE) && defined(CONFIG_AS_HAS_EXPLICIT_RELOCS)
-#define PER_CPU_ATTRIBUTES    __attribute__((model("extreme")))
+# if __has_attribute(model)
+#  define PER_CPU_ATTRIBUTES __attribute__((model("extreme")))
+# else
+#  error compiler support for the model attribute is necessary when a recent assembler is used
+# endif
 #endif
 
 /* Use r21 for fast access */

arch/loongarch/net/bpf_jit.c

@@ -179,7 +179,7 @@ static void __build_epilogue(struct jit_ctx *ctx, bool is_tail_call)
 
 	if (!is_tail_call) {
 		/* Set return value */
-		move_reg(ctx, LOONGARCH_GPR_A0, regmap[BPF_REG_0]);
+		emit_insn(ctx, addiw, LOONGARCH_GPR_A0, regmap[BPF_REG_0], 0);
 		/* Return to the caller */
 		emit_insn(ctx, jirl, LOONGARCH_GPR_RA, LOONGARCH_GPR_ZERO, 0);
 	} else {

arch/loongarch/vdso/Makefile

@@ -23,7 +23,7 @@ endif
 cflags-vdso := $(ccflags-vdso) \
 	-isystem $(shell $(CC) -print-file-name=include) \
 	$(filter -W%,$(filter-out -Wa$(comma)%,$(KBUILD_CFLAGS))) \
-	-O2 -g -fno-strict-aliasing -fno-common -fno-builtin -G0 \
+	-std=gnu11 -O2 -g -fno-strict-aliasing -fno-common -fno-builtin \
 	-fno-stack-protector -fno-jump-tables -DDISABLE_BRANCH_PROFILING \
 	$(call cc-option, -fno-asynchronous-unwind-tables) \
 	$(call cc-option, -fno-stack-protector)

arch/m68k/coldfire/device.c

@@ -93,7 +93,7 @@ static struct platform_device mcf_uart = {
 	.dev.platform_data	= mcf_uart_platform_data,
 };
 
-#if IS_ENABLED(CONFIG_FEC)
+#ifdef MCFFEC_BASE0
 
 #ifdef CONFIG_M5441x
 #define FEC_NAME	"enet-fec"
@@ -145,6 +145,7 @@ static struct platform_device mcf_fec0 = {
 		.platform_data		= FEC_PDATA,
 	}
 };
+#endif /* MCFFEC_BASE0 */
 
 #ifdef MCFFEC_BASE1
 static struct resource mcf_fec1_resources[] = {
@@ -182,7 +183,6 @@ static struct platform_device mcf_fec1 = {
 	}
 };
 #endif /* MCFFEC_BASE1 */
-#endif /* CONFIG_FEC */
 
 #if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI)
 /*
@@ -624,12 +624,12 @@ static struct platform_device mcf_flexcan0 = {
 
 static struct platform_device *mcf_devices[] __initdata = {
 	&mcf_uart,
-#if IS_ENABLED(CONFIG_FEC)
+#ifdef MCFFEC_BASE0
 	&mcf_fec0,
+#endif
 #ifdef MCFFEC_BASE1
 	&mcf_fec1,
 #endif
-#endif
 #if IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI)
 	&mcf_qspi,
 #endif

arch/m68k/include/asm/mcfgpio.h

@@ -144,7 +144,7 @@ static inline void gpio_free(unsigned gpio)
  * read-modify-write as well as those controlled by the EPORT and GPIO modules.
  */
 #define MCFGPIO_SCR_START		40
-#elif defined(CONFIGM5441x)
+#elif defined(CONFIG_M5441x)
 /* The m5441x EPORT doesn't have its own GPIO port, uses PORT C */
 #define MCFGPIO_SCR_START		0
 #else

arch/parisc/kernel/ftrace.c

@@ -87,7 +87,7 @@ int ftrace_enable_ftrace_graph_caller(void)
 
 int ftrace_disable_ftrace_graph_caller(void)
 {
-	static_key_enable(&ftrace_graph_enable.key);
+	static_key_disable(&ftrace_graph_enable.key);
 	return 0;
 }
 #endif

arch/powerpc/Kconfig

@@ -253,8 +253,8 @@ config PPC
 	select HAVE_RSEQ
 	select HAVE_SETUP_PER_CPU_AREA		if PPC64
 	select HAVE_SOFTIRQ_ON_OWN_STACK
-	select HAVE_STACKPROTECTOR		if PPC32 && $(cc-option,-mstack-protector-guard=tls -mstack-protector-guard-reg=r2)
-	select HAVE_STACKPROTECTOR		if PPC64 && $(cc-option,-mstack-protector-guard=tls -mstack-protector-guard-reg=r13)
+	select HAVE_STACKPROTECTOR		if PPC32 && $(cc-option,$(m32-flag) -mstack-protector-guard=tls -mstack-protector-guard-reg=r2 -mstack-protector-guard-offset=0)
+	select HAVE_STACKPROTECTOR		if PPC64 && $(cc-option,$(m64-flag) -mstack-protector-guard=tls -mstack-protector-guard-reg=r13 -mstack-protector-guard-offset=0)
 	select HAVE_STATIC_CALL			if PPC32
 	select HAVE_SYSCALL_TRACEPOINTS
 	select HAVE_VIRT_CPU_ACCOUNTING

arch/powerpc/Makefile

@@ -89,13 +89,6 @@ KBUILD_AFLAGS	+= -m$(BITS)
 KBUILD_LDFLAGS	+= -m elf$(BITS)$(LDEMULATION)
 endif
 
-cflags-$(CONFIG_STACKPROTECTOR)	+= -mstack-protector-guard=tls
-ifdef CONFIG_PPC64
-cflags-$(CONFIG_STACKPROTECTOR)	+= -mstack-protector-guard-reg=r13
-else
-cflags-$(CONFIG_STACKPROTECTOR)	+= -mstack-protector-guard-reg=r2
-endif
-
 LDFLAGS_vmlinux-y := -Bstatic
 LDFLAGS_vmlinux-$(CONFIG_RELOCATABLE) := -pie
 LDFLAGS_vmlinux-$(CONFIG_RELOCATABLE) += -z notext
@@ -383,9 +376,11 @@ prepare: stack_protector_prepare
 PHONY += stack_protector_prepare
 stack_protector_prepare: prepare0
 ifdef CONFIG_PPC64
-	$(eval KBUILD_CFLAGS += -mstack-protector-guard-offset=$(shell awk '{if ($$2 == "PACA_CANARY") print $$3;}' include/generated/asm-offsets.h))
+	$(eval KBUILD_CFLAGS += -mstack-protector-guard=tls -mstack-protector-guard-reg=r13 \
+				-mstack-protector-guard-offset=$(shell awk '{if ($$2 == "PACA_CANARY") print $$3;}' include/generated/asm-offsets.h))
 else
-	$(eval KBUILD_CFLAGS += -mstack-protector-guard-offset=$(shell awk '{if ($$2 == "TASK_CANARY") print $$3;}' include/generated/asm-offsets.h))
+	$(eval KBUILD_CFLAGS += -mstack-protector-guard=tls -mstack-protector-guard-reg=r2 \
+				-mstack-protector-guard-offset=$(shell awk '{if ($$2 == "TASK_CANARY") print $$3;}' include/generated/asm-offsets.h))
 endif
 endif
 

arch/powerpc/include/asm/cache.h

@@ -33,6 +33,10 @@
 
 #define IFETCH_ALIGN_BYTES	(1 << IFETCH_ALIGN_SHIFT)
 
+#ifdef CONFIG_NOT_COHERENT_CACHE
+#define ARCH_DMA_MINALIGN	L1_CACHE_BYTES
+#endif
+
 #if !defined(__ASSEMBLY__)
 #ifdef CONFIG_PPC64
 

arch/powerpc/include/asm/page_32.h

@@ -12,10 +12,6 @@
 
 #define VM_DATA_DEFAULT_FLAGS	VM_DATA_DEFAULT_FLAGS32
 
-#ifdef CONFIG_NOT_COHERENT_CACHE
-#define ARCH_DMA_MINALIGN	L1_CACHE_BYTES
-#endif
-
 #if defined(CONFIG_PPC_256K_PAGES) || \
     (defined(CONFIG_PPC_8xx) && defined(CONFIG_PPC_16K_PAGES))
 #define PTE_SHIFT	(PAGE_SHIFT - PTE_T_LOG2 - 2)	/* 1/4 of a page */

arch/powerpc/include/asm/sstep.h

@@ -173,9 +173,4 @@ int emulate_step(struct pt_regs *regs, ppc_inst_t instr);
  */
 extern int emulate_loadstore(struct pt_regs *regs, struct instruction_op *op);
 
-extern void emulate_vsx_load(struct instruction_op *op, union vsx_reg *reg,
-			     const void *mem, bool cross_endian);
-extern void emulate_vsx_store(struct instruction_op *op,
-			      const union vsx_reg *reg, void *mem,
-			      bool cross_endian);
 extern int emulate_dcbz(unsigned long ea, struct pt_regs *regs);

arch/powerpc/kernel/setup_64.c

@@ -924,6 +924,7 @@ static int __init disable_hardlockup_detector(void)
 	hardlockup_detector_disable();
 #else
 	if (firmware_has_feature(FW_FEATURE_LPAR)) {
+		check_kvm_guest();
 		if (is_kvm_guest())
 			hardlockup_detector_disable();
 	}

arch/powerpc/kexec/file_load_64.c

@@ -911,13 +911,18 @@ int setup_purgatory_ppc64(struct kimage *image, const void *slave_code,
 	if (dn) {
 		u64 val;
 
-		of_property_read_u64(dn, "opal-base-address", &val);
+		ret = of_property_read_u64(dn, "opal-base-address", &val);
+		if (ret)
+			goto out;
+
 		ret = kexec_purgatory_get_set_symbol(image, "opal_base", &val,
 						     sizeof(val), false);
 		if (ret)
 			goto out;
 
-		of_property_read_u64(dn, "opal-entry-address", &val);
+		ret = of_property_read_u64(dn, "opal-entry-address", &val);
+		if (ret)
+			goto out;
 		ret = kexec_purgatory_get_set_symbol(image, "opal_entry", &val,
 						     sizeof(val), false);
 	}

arch/powerpc/kvm/book3s_hv.c

@@ -4062,6 +4062,15 @@ static int kvmhv_vcpu_entry_p9_nested(struct kvm_vcpu *vcpu, u64 time_limit, uns
 	}
 	hvregs.hdec_expiry = time_limit;
 
+	/*
+	 * hvregs has the doorbell status, so zero it here which
+	 * enables us to receive doorbells when H_ENTER_NESTED is
+	 * in progress for this vCPU
+	 */
+
+	if (vcpu->arch.doorbell_request)
+		vcpu->arch.doorbell_request = 0;
+
 	/*
 	 * When setting DEC, we must always deal with irq_work_raise
 	 * via NMI vs setting DEC. The problem occurs right as we
@@ -4644,7 +4653,6 @@ int kvmhv_run_single_vcpu(struct kvm_vcpu *vcpu, u64 time_limit,
 			lpcr |= LPCR_MER;
 		}
 	} else if (vcpu->arch.pending_exceptions ||
-		   vcpu->arch.doorbell_request ||
 		   xive_interrupt_pending(vcpu)) {
 		vcpu->arch.ret = RESUME_HOST;
 		goto out;

arch/powerpc/kvm/book3s_hv_nested.c

@@ -32,7 +32,7 @@ void kvmhv_save_hv_regs(struct kvm_vcpu *vcpu, struct hv_guest_state *hr)
 	struct kvmppc_vcore *vc = vcpu->arch.vcore;
 
 	hr->pcr = vc->pcr | PCR_MASK;
-	hr->dpdes = vc->dpdes;
+	hr->dpdes = vcpu->arch.doorbell_request;
 	hr->hfscr = vcpu->arch.hfscr;
 	hr->tb_offset = vc->tb_offset;
 	hr->dawr0 = vcpu->arch.dawr0;
@@ -105,7 +105,7 @@ static void save_hv_return_state(struct kvm_vcpu *vcpu,
 {
 	struct kvmppc_vcore *vc = vcpu->arch.vcore;
 
-	hr->dpdes = vc->dpdes;
+	hr->dpdes = vcpu->arch.doorbell_request;
 	hr->purr = vcpu->arch.purr;
 	hr->spurr = vcpu->arch.spurr;
 	hr->ic = vcpu->arch.ic;
@@ -143,7 +143,7 @@ static void restore_hv_regs(struct kvm_vcpu *vcpu, const struct hv_guest_state *
 	struct kvmppc_vcore *vc = vcpu->arch.vcore;
 
 	vc->pcr = hr->pcr | PCR_MASK;
-	vc->dpdes = hr->dpdes;
+	vcpu->arch.doorbell_request = hr->dpdes;
 	vcpu->arch.hfscr = hr->hfscr;
 	vcpu->arch.dawr0 = hr->dawr0;
 	vcpu->arch.dawrx0 = hr->dawrx0;
@@ -170,7 +170,13 @@ void kvmhv_restore_hv_return_state(struct kvm_vcpu *vcpu,
 {
 	struct kvmppc_vcore *vc = vcpu->arch.vcore;
 
-	vc->dpdes = hr->dpdes;
+	/*
+	 * This L2 vCPU might have received a doorbell while H_ENTER_NESTED was being handled.
+	 * Make sure we preserve the doorbell if it was either:
+	 *   a) Sent after H_ENTER_NESTED was called on this vCPU (arch.doorbell_request would be 1)
+	 *   b) Doorbell was not handled and L2 exited for some other reason (hr->dpdes would be 1)
+	 */
+	vcpu->arch.doorbell_request = vcpu->arch.doorbell_request | hr->dpdes;
 	vcpu->arch.hfscr = hr->hfscr;
 	vcpu->arch.purr = hr->purr;
 	vcpu->arch.spurr = hr->spurr;

arch/powerpc/lib/sstep.c

@@ -780,8 +780,8 @@ static nokprobe_inline int emulate_stq(struct pt_regs *regs, unsigned long ea,
 #endif /* __powerpc64 */
 
 #ifdef CONFIG_VSX
-void emulate_vsx_load(struct instruction_op *op, union vsx_reg *reg,
-		      const void *mem, bool rev)
+static nokprobe_inline void emulate_vsx_load(struct instruction_op *op, union vsx_reg *reg,
+					     const void *mem, bool rev)
 {
 	int size, read_size;
 	int i, j;
@@ -863,11 +863,9 @@ void emulate_vsx_load(struct instruction_op *op, union vsx_reg *reg,
 		break;
 	}
 }
-EXPORT_SYMBOL_GPL(emulate_vsx_load);
-NOKPROBE_SYMBOL(emulate_vsx_load);
 
-void emulate_vsx_store(struct instruction_op *op, const union vsx_reg *reg,
-		       void *mem, bool rev)
+static nokprobe_inline void emulate_vsx_store(struct instruction_op *op, const union vsx_reg *reg,
+					      void *mem, bool rev)
 {
 	int size, write_size;
 	int i, j;
@@ -955,8 +953,6 @@ void emulate_vsx_store(struct instruction_op *op, const union vsx_reg *reg,
 		break;
 	}
 }
-EXPORT_SYMBOL_GPL(emulate_vsx_store);
-NOKPROBE_SYMBOL(emulate_vsx_store);
 
 static nokprobe_inline int do_vsx_load(struct instruction_op *op,
 				       unsigned long ea, struct pt_regs *regs,

arch/s390/kernel/entry.S

@@ -484,9 +484,13 @@ ENTRY(\name)
 ENDPROC(\name)
 .endm
 
+	.section .irqentry.text, "ax"
+
 INT_HANDLER ext_int_handler,__LC_EXT_OLD_PSW,do_ext_irq
 INT_HANDLER io_int_handler,__LC_IO_OLD_PSW,do_io_irq
 
+	.section .kprobes.text, "ax"
+
 /*
  * Load idle PSW.
  */

arch/s390/kernel/kprobes.c

@@ -549,6 +549,12 @@ int __init arch_init_kprobes(void)
 	return 0;
 }
 
+int __init arch_populate_kprobe_blacklist(void)
+{
+	return kprobe_add_area_blacklist((unsigned long)__irqentry_text_start,
+					 (unsigned long)__irqentry_text_end);
+}
+
 int arch_trampoline_kprobe(struct kprobe *p)
 {
 	return 0;

arch/sh/kernel/cpu/proc.c

@@ -132,7 +132,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 
 static void *c_start(struct seq_file *m, loff_t *pos)
 {
-	return *pos < NR_CPUS ? cpu_data + *pos : NULL;
+	return *pos < nr_cpu_ids ? cpu_data + *pos : NULL;
 }
 static void *c_next(struct seq_file *m, void *v, loff_t *pos)
 {

arch/um/drivers/net_kern.c

@@ -336,7 +336,7 @@ static struct platform_driver uml_net_driver = {
 
 static void net_device_release(struct device *dev)
 {
-	struct uml_net *device = dev_get_drvdata(dev);
+	struct uml_net *device = container_of(dev, struct uml_net, pdev.dev);
 	struct net_device *netdev = device->dev;
 	struct uml_net_private *lp = netdev_priv(netdev);
 

arch/um/drivers/ubd_kern.c

@@ -799,7 +799,7 @@ static int ubd_open_dev(struct ubd *ubd_dev)
 
 static void ubd_device_release(struct device *dev)
 {
-	struct ubd *ubd_dev = dev_get_drvdata(dev);
+	struct ubd *ubd_dev = container_of(dev, struct ubd, pdev.dev);
 
 	blk_mq_free_tag_set(&ubd_dev->tag_set);
 	*ubd_dev = ((struct ubd) DEFAULT_UBD);

arch/um/drivers/vector_kern.c

@@ -823,7 +823,8 @@ static struct platform_driver uml_net_driver = {
 
 static void vector_device_release(struct device *dev)
 {
-	struct vector_device *device = dev_get_drvdata(dev);
+	struct vector_device *device =
+		container_of(dev, struct vector_device, pdev.dev);
 	struct net_device *netdev = device->dev;
 
 	list_del(&device->list);

arch/um/kernel/physmem.c

@@ -80,10 +80,10 @@ void __init setup_physmem(unsigned long start, unsigned long reserve_end,
 			  unsigned long len, unsigned long long highmem)
 {
 	unsigned long reserve = reserve_end - start;
-	long map_size = len - reserve;
+	unsigned long map_size = len - reserve;
 	int err;
 
-	if(map_size <= 0) {
+	if (len <= reserve) {
 		os_warn("Too few physical memory! Needed=%lu, given=%lu\n",
 			reserve, len);
 		exit(1);
@@ -94,7 +94,7 @@ void __init setup_physmem(unsigned long start, unsigned long reserve_end,
 	err = os_map_memory((void *) reserve_end, physmem_fd, reserve,
 			    map_size, 1, 1, 1);
 	if (err < 0) {
-		os_warn("setup_physmem - mapping %ld bytes of memory at 0x%p "
+		os_warn("setup_physmem - mapping %lu bytes of memory at 0x%p "
 			"failed - errno = %d\n", map_size,
 			(void *) reserve_end, err);
 		exit(1);

arch/um/kernel/process.c

@@ -397,6 +397,6 @@ int elf_core_copy_fpregs(struct task_struct *t, elf_fpregset_t *fpu)
 {
 	int cpu = current_thread_info()->cpu;
 
-	return save_i387_registers(userspace_pid[cpu], (unsigned long *) fpu);
+	return save_i387_registers(userspace_pid[cpu], (unsigned long *) fpu) == 0;
 }
 

arch/um/kernel/sysrq.c

@@ -53,5 +53,5 @@ void show_stack(struct task_struct *task, unsigned long *stack,
 	}
 
 	printk("%sCall Trace:\n", loglvl);
-	dump_trace(current, &stackops, (void *)loglvl);
+	dump_trace(task ?: current, &stackops, (void *)loglvl);
 }

arch/x86/crypto/aegis128-aesni-asm.S

@@ -21,7 +21,7 @@
 #define T1	%xmm7
 
 #define STATEP	%rdi
-#define LEN	%rsi
+#define LEN	%esi
 #define SRC	%rdx
 #define DST	%rcx
 
@@ -76,32 +76,32 @@ SYM_FUNC_START_LOCAL(__load_partial)
 	xor %r9d, %r9d
 	pxor MSG, MSG
 
-	mov LEN, %r8
+	mov LEN, %r8d
 	and $0x1, %r8
 	jz .Lld_partial_1
 
-	mov LEN, %r8
+	mov LEN, %r8d
 	and $0x1E, %r8
 	add SRC, %r8
 	mov (%r8), %r9b
 
 .Lld_partial_1:
-	mov LEN, %r8
+	mov LEN, %r8d
 	and $0x2, %r8
 	jz .Lld_partial_2
 
-	mov LEN, %r8
+	mov LEN, %r8d
 	and $0x1C, %r8
 	add SRC, %r8
 	shl $0x10, %r9
 	mov (%r8), %r9w
 
 .Lld_partial_2:
-	mov LEN, %r8
+	mov LEN, %r8d
 	and $0x4, %r8
 	jz .Lld_partial_4
 
-	mov LEN, %r8
+	mov LEN, %r8d
 	and $0x18, %r8
 	add SRC, %r8
 	shl $32, %r9
@@ -111,11 +111,11 @@ SYM_FUNC_START_LOCAL(__load_partial)
 .Lld_partial_4:
 	movq %r9, MSG
 
-	mov LEN, %r8
+	mov LEN, %r8d
 	and $0x8, %r8
 	jz .Lld_partial_8
 
-	mov LEN, %r8
+	mov LEN, %r8d
 	and $0x10, %r8
 	add SRC, %r8
 	pslldq $8, MSG
@@ -139,7 +139,7 @@ SYM_FUNC_END(__load_partial)
  *   %r10
  */
 SYM_FUNC_START_LOCAL(__store_partial)
-	mov LEN, %r8
+	mov LEN, %r8d
 	mov DST, %r9
 
 	movq T0, %r10
@@ -677,7 +677,7 @@ SYM_TYPED_FUNC_START(crypto_aegis128_aesni_dec_tail)
 	call __store_partial
 
 	/* mask with byte count: */
-	movq LEN, T0
+	movd LEN, T0
 	punpcklbw T0, T0
 	punpcklbw T0, T0
 	punpcklbw T0, T0
@@ -702,7 +702,8 @@ SYM_FUNC_END(crypto_aegis128_aesni_dec_tail)
 
 /*
  * void crypto_aegis128_aesni_final(void *state, void *tag_xor,
- *                                  u64 assoclen, u64 cryptlen);
+ *                                  unsigned int assoclen,
+ *                                  unsigned int cryptlen);
  */
 SYM_FUNC_START(crypto_aegis128_aesni_final)
 	FRAME_BEGIN
@@ -715,8 +716,8 @@ SYM_FUNC_START(crypto_aegis128_aesni_final)
 	movdqu 0x40(STATEP), STATE4
 
 	/* prepare length block: */
-	movq %rdx, MSG
-	movq %rcx, T0
+	movd %edx, MSG
+	movd %ecx, T0
 	pslldq $8, T0
 	pxor T0, MSG
 	psllq $3, MSG /* multiply by 8 (to get bit count) */

arch/x86/events/intel/core.c

@@ -5409,8 +5409,22 @@ default_is_visible(struct kobject *kobj, struct attribute *attr, int i)
 	return attr->mode;
 }
 
+static umode_t
+td_is_visible(struct kobject *kobj, struct attribute *attr, int i)
+{
+	/*
+	 * Hide the perf metrics topdown events
+	 * if the feature is not enumerated.
+	 */
+	if (x86_pmu.num_topdown_events)
+		return x86_pmu.intel_cap.perf_metrics ? attr->mode : 0;
+
+	return attr->mode;
+}
+
 static struct attribute_group group_events_td  = {
 	.name = "events",
+	.is_visible = td_is_visible,
 };
 
 static struct attribute_group group_events_mem = {
@@ -5587,9 +5601,27 @@ static umode_t hybrid_format_is_visible(struct kobject *kobj,
 	return (cpu >= 0) && (pmu->cpu_type & pmu_attr->pmu_type) ? attr->mode : 0;
 }
 
+static umode_t hybrid_td_is_visible(struct kobject *kobj,
+				    struct attribute *attr, int i)
+{
+	struct device *dev = kobj_to_dev(kobj);
+	struct x86_hybrid_pmu *pmu =
+		 container_of(dev_get_drvdata(dev), struct x86_hybrid_pmu, pmu);
+
+	if (!is_attr_for_this_pmu(kobj, attr))
+		return 0;
+
+
+	/* Only the big core supports perf metrics */
+	if (pmu->cpu_type == hybrid_big)
+		return pmu->intel_cap.perf_metrics ? attr->mode : 0;
+
+	return attr->mode;
+}
+
 static struct attribute_group hybrid_group_events_td  = {
 	.name		= "events",
-	.is_visible	= hybrid_events_is_visible,
+	.is_visible	= hybrid_td_is_visible,
 };
 
 static struct attribute_group hybrid_group_events_mem = {

arch/x86/events/intel/pt.c

@@ -827,11 +827,13 @@ static void pt_buffer_advance(struct pt_buffer *buf)
 	buf->cur_idx++;
 
 	if (buf->cur_idx == buf->cur->last) {
-		if (buf->cur == buf->last)
+		if (buf->cur == buf->last) {
 			buf->cur = buf->first;
-		else
+			buf->wrapped = true;
+		} else {
 			buf->cur = list_entry(buf->cur->list.next, struct topa,
 					      list);
+		}
 		buf->cur_idx = 0;
 	}
 }
@@ -845,8 +847,11 @@ static void pt_buffer_advance(struct pt_buffer *buf)
 static void pt_update_head(struct pt *pt)
 {
 	struct pt_buffer *buf = perf_get_aux(&pt->handle);
+	bool wrapped = buf->wrapped;
 	u64 topa_idx, base, old;
 
+	buf->wrapped = false;
+
 	if (buf->single) {
 		local_set(&buf->data_size, buf->output_off);
 		return;
@@ -864,7 +869,7 @@ static void pt_update_head(struct pt *pt)
 	} else {
 		old = (local64_xchg(&buf->head, base) &
 		       ((buf->nr_pages << PAGE_SHIFT) - 1));
-		if (base < old)
+		if (base < old || (base == old && wrapped))
 			base += buf->nr_pages << PAGE_SHIFT;
 
 		local_add(base - old, &buf->data_size);

arch/x86/events/intel/pt.h

@@ -65,6 +65,7 @@ struct pt_pmu {
  * @head:	logical write offset inside the buffer
  * @snapshot:	if this is for a snapshot/overwrite counter
  * @single:	use Single Range Output instead of ToPA
+ * @wrapped:	buffer advance wrapped back to the first topa table
  * @stop_pos:	STOP topa entry index
  * @intr_pos:	INT topa entry index
  * @stop_te:	STOP topa entry pointer
@@ -82,6 +83,7 @@ struct pt_buffer {
 	local64_t		head;
 	bool			snapshot;
 	bool			single;
+	bool			wrapped;
 	long			stop_pos, intr_pos;
 	struct topa_entry	*stop_te, *intr_te;
 	void			**data_pages;

arch/x86/kvm/mmu/spte.c

@@ -194,12 +194,20 @@ bool make_spte(struct kvm_vcpu *vcpu, struct kvm_mmu_page *sp,
 		spte |= PT_WRITABLE_MASK | shadow_mmu_writable_mask;
 
 		/*
-		 * Optimization: for pte sync, if spte was writable the hash
-		 * lookup is unnecessary (and expensive). Write protection
-		 * is responsibility of kvm_mmu_get_page / kvm_mmu_sync_roots.
-		 * Same reasoning can be applied to dirty page accounting.
+		 * When overwriting an existing leaf SPTE, and the old SPTE was
+		 * writable, skip trying to unsync shadow pages as any relevant
+		 * shadow pages must already be unsync, i.e. the hash lookup is
+		 * unnecessary (and expensive).
+		 *
+		 * The same reasoning applies to dirty page/folio accounting;
+		 * KVM will mark the folio dirty using the old SPTE, thus
+		 * there's no need to immediately mark the new SPTE as dirty.
+		 *
+		 * Note, both cases rely on KVM not changing PFNs without first
+		 * zapping the old SPTE, which is guaranteed by both the shadow
+		 * MMU and the TDP MMU.
 		 */
-		if (is_writable_pte(old_spte))
+		if (is_last_spte(old_spte, level) && is_writable_pte(old_spte))
 			goto out;
 
 		/*

block/blk-mq.c

@@ -2474,6 +2474,12 @@ void blk_mq_start_stopped_hw_queue(struct blk_mq_hw_ctx *hctx, bool async)
 		return;
 
 	clear_bit(BLK_MQ_S_STOPPED, &hctx->state);
+	/*
+	 * Pairs with the smp_mb() in blk_mq_hctx_stopped() to order the
+	 * clearing of BLK_MQ_S_STOPPED above and the checking of dispatch
+	 * list in the subsequent routine.
+	 */
+	smp_mb__after_atomic();
 	blk_mq_run_hw_queue(hctx, async);
 }
 EXPORT_SYMBOL_GPL(blk_mq_start_stopped_hw_queue);

block/blk-mq.h

@@ -178,6 +178,19 @@ static inline struct blk_mq_tags *blk_mq_tags_from_data(struct blk_mq_alloc_data
 
 static inline bool blk_mq_hctx_stopped(struct blk_mq_hw_ctx *hctx)
 {
+	/* Fast path: hardware queue is not stopped most of the time. */
+	if (likely(!test_bit(BLK_MQ_S_STOPPED, &hctx->state)))
+		return false;
+
+	/*
+	 * This barrier is used to order adding of dispatch list before and
+	 * the test of BLK_MQ_S_STOPPED below. Pairs with the memory barrier
+	 * in blk_mq_start_stopped_hw_queue() so that dispatch code could
+	 * either see BLK_MQ_S_STOPPED is cleared or dispatch list is not
+	 * empty to avoid missing dispatching requests.
+	 */
+	smp_mb();
+
 	return test_bit(BLK_MQ_S_STOPPED, &hctx->state);
 }
 

crypto/api.c

@@ -408,6 +408,7 @@ struct crypto_tfm *__crypto_alloc_tfm(struct crypto_alg *alg, u32 type,
 		goto out_err;
 
 	tfm->__crt_alg = alg;
+	refcount_set(&tfm->refcnt, 1);
 
 	err = crypto_init_ops(tfm, type, mask);
 	if (err)
@@ -487,26 +488,43 @@ err:
 }
 EXPORT_SYMBOL_GPL(crypto_alloc_base);
 
-void *crypto_create_tfm_node(struct crypto_alg *alg,
-			const struct crypto_type *frontend,
-			int node)
+static void *crypto_alloc_tfmmem(struct crypto_alg *alg,
+				 const struct crypto_type *frontend, int node,
+				 gfp_t gfp)
 {
-	char *mem;
-	struct crypto_tfm *tfm = NULL;
+	struct crypto_tfm *tfm;
 	unsigned int tfmsize;
 	unsigned int total;
-	int err = -ENOMEM;
+	char *mem;
 
 	tfmsize = frontend->tfmsize;
 	total = tfmsize + sizeof(*tfm) + frontend->extsize(alg);
 
-	mem = kzalloc_node(total, GFP_KERNEL, node);
+	mem = kzalloc_node(total, gfp, node);
 	if (mem == NULL)
-		goto out_err;
+		return ERR_PTR(-ENOMEM);
 
 	tfm = (struct crypto_tfm *)(mem + tfmsize);
 	tfm->__crt_alg = alg;
 	tfm->node = node;
+	refcount_set(&tfm->refcnt, 1);
+
+	return mem;
+}
+
+void *crypto_create_tfm_node(struct crypto_alg *alg,
+			     const struct crypto_type *frontend,
+			     int node)
+{
+	struct crypto_tfm *tfm;
+	char *mem;
+	int err;
+
+	mem = crypto_alloc_tfmmem(alg, frontend, node, GFP_KERNEL);
+	if (IS_ERR(mem))
+		goto out;
+
+	tfm = (struct crypto_tfm *)(mem + frontend->tfmsize);
 
 	err = frontend->init_tfm(tfm);
 	if (err)
@@ -523,13 +541,38 @@ out_free_tfm:
 	if (err == -EAGAIN)
 		crypto_shoot_alg(alg);
 	kfree(mem);
-out_err:
 	mem = ERR_PTR(err);
 out:
 	return mem;
 }
 EXPORT_SYMBOL_GPL(crypto_create_tfm_node);
 
+void *crypto_clone_tfm(const struct crypto_type *frontend,
+		       struct crypto_tfm *otfm)
+{
+	struct crypto_alg *alg = otfm->__crt_alg;
+	struct crypto_tfm *tfm;
+	char *mem;
+
+	mem = ERR_PTR(-ESTALE);
+	if (unlikely(!crypto_mod_get(alg)))
+		goto out;
+
+	mem = crypto_alloc_tfmmem(alg, frontend, otfm->node, GFP_ATOMIC);
+	if (IS_ERR(mem)) {
+		crypto_mod_put(alg);
+		goto out;
+	}
+
+	tfm = (struct crypto_tfm *)(mem + frontend->tfmsize);
+	tfm->crt_flags = otfm->crt_flags;
+	tfm->exit = otfm->exit;
+
+out:
+	return mem;
+}
+EXPORT_SYMBOL_GPL(crypto_clone_tfm);
+
 struct crypto_alg *crypto_find_alg(const char *alg_name,
 				   const struct crypto_type *frontend,
 				   u32 type, u32 mask)
@@ -619,6 +662,8 @@ void crypto_destroy_tfm(void *mem, struct crypto_tfm *tfm)
 	if (IS_ERR_OR_NULL(mem))
 		return;
 
+	if (!refcount_dec_and_test(&tfm->refcnt))
+		return;
 	alg = tfm->__crt_alg;
 
 	if (!tfm->exit && alg->cra_exit)

crypto/internal.h

@@ -10,6 +10,7 @@
 
 #include <crypto/algapi.h>
 #include <linux/completion.h>
+#include <linux/err.h>
 #include <linux/jump_label.h>
 #include <linux/list.h>
 #include <linux/module.h>
@@ -103,6 +104,8 @@ struct crypto_tfm *__crypto_alloc_tfm(struct crypto_alg *alg, u32 type,
 				      u32 mask);
 void *crypto_create_tfm_node(struct crypto_alg *alg,
 			const struct crypto_type *frontend, int node);
+void *crypto_clone_tfm(const struct crypto_type *frontend,
+		       struct crypto_tfm *otfm);
 
 static inline void *crypto_create_tfm(struct crypto_alg *alg,
 			const struct crypto_type *frontend)
@@ -184,5 +187,10 @@ static inline int crypto_is_test_larval(struct crypto_larval *larval)
 	return larval->alg.cra_driver_name[0];
 }
 
+static inline struct crypto_tfm *crypto_tfm_get(struct crypto_tfm *tfm)
+{
+	return refcount_inc_not_zero(&tfm->refcnt) ? tfm : ERR_PTR(-EOVERFLOW);
+}
+
 #endif	/* _CRYPTO_INTERNAL_H */
 

drivers/base/bus.c

@@ -853,6 +853,8 @@ bus_devices_fail:
 	bus_remove_file(bus, &bus_attr_uevent);
 bus_uevent_fail:
 	kset_unregister(&bus->p->subsys);
+	/* Above kset_unregister() will kfree @bus->p */
+	bus->p = NULL;
 out:
 	kfree(bus->p);
 	bus->p = NULL;

drivers/block/ublk_drv.c

@@ -325,12 +325,21 @@ static inline char *ublk_queue_cmd_buf(struct ublk_device *ub, int q_id)
 	return ublk_get_queue(ub, q_id)->io_cmd_buf;
 }
 
+static inline int __ublk_queue_cmd_buf_size(int depth)
+{
+	return round_up(depth * sizeof(struct ublksrv_io_desc), PAGE_SIZE);
+}
+
 static inline int ublk_queue_cmd_buf_size(struct ublk_device *ub, int q_id)
 {
 	struct ublk_queue *ubq = ublk_get_queue(ub, q_id);
 
-	return round_up(ubq->q_depth * sizeof(struct ublksrv_io_desc),
-			PAGE_SIZE);
+	return __ublk_queue_cmd_buf_size(ubq->q_depth);
+}
+
+static int ublk_max_cmd_buf_size(void)
+{
+	return __ublk_queue_cmd_buf_size(UBLK_MAX_QUEUE_DEPTH);
 }
 
 static inline bool ublk_queue_can_use_recovery_reissue(
@@ -930,7 +939,7 @@ static int ublk_ch_mmap(struct file *filp, struct vm_area_struct *vma)
 {
 	struct ublk_device *ub = filp->private_data;
 	size_t sz = vma->vm_end - vma->vm_start;
-	unsigned max_sz = UBLK_MAX_QUEUE_DEPTH * sizeof(struct ublksrv_io_desc);
+	unsigned max_sz = ublk_max_cmd_buf_size();
 	unsigned long pfn, end, phys_off = vma->vm_pgoff << PAGE_SHIFT;
 	int q_id, ret = 0;
 
@@ -2046,7 +2055,7 @@ static int ublk_ctrl_uring_cmd(struct io_uring_cmd *cmd,
 		ret = ublk_ctrl_end_recovery(ub, cmd);
 		break;
 	default:
-		ret = -ENOTSUPP;
+		ret = -EOPNOTSUPP;
 		break;
 	}
 	if (ub)

drivers/clk/clk-apple-nco.c

@@ -297,6 +297,9 @@ static int applnco_probe(struct platform_device *pdev)
 		memset(&init, 0, sizeof(init));
 		init.name = devm_kasprintf(&pdev->dev, GFP_KERNEL,
 						"%s-%d", np->name, i);
+		if (!init.name)
+			return -ENOMEM;
+
 		init.ops = &applnco_ops;
 		init.parent_data = &pdata;
 		init.num_parents = 1;

drivers/clk/clk-axi-clkgen.c

@@ -7,6 +7,7 @@
  */
 
 #include <linux/platform_device.h>
+#include <linux/clk.h>
 #include <linux/clk-provider.h>
 #include <linux/slab.h>
 #include <linux/io.h>
@@ -510,6 +511,7 @@ static int axi_clkgen_probe(struct platform_device *pdev)
 	struct clk_init_data init;
 	const char *parent_names[2];
 	const char *clk_name;
+	struct clk *axi_clk;
 	unsigned int i;
 	int ret;
 
@@ -526,8 +528,24 @@ static int axi_clkgen_probe(struct platform_device *pdev)
 		return PTR_ERR(axi_clkgen->base);
 
 	init.num_parents = of_clk_get_parent_count(pdev->dev.of_node);
-	if (init.num_parents < 1 || init.num_parents > 2)
-		return -EINVAL;
+
+	axi_clk = devm_clk_get_enabled(&pdev->dev, "s_axi_aclk");
+	if (!IS_ERR(axi_clk)) {
+		if (init.num_parents < 2 || init.num_parents > 3)
+			return -EINVAL;
+
+		init.num_parents -= 1;
+	} else {
+		/*
+		 * Legacy... So that old DTs which do not have clock-names still
+		 * work. In this case we don't explicitly enable the AXI bus
+		 * clock.
+		 */
+		if (PTR_ERR(axi_clk) != -ENOENT)
+			return PTR_ERR(axi_clk);
+		if (init.num_parents < 1 || init.num_parents > 2)
+			return -EINVAL;
+	}
 
 	for (i = 0; i < init.num_parents; i++) {
 		parent_names[i] = of_clk_get_parent_name(pdev->dev.of_node, i);

drivers/clk/qcom/gcc-qcs404.c

@@ -353,6 +353,7 @@ static struct clk_alpha_pll gpll1_out_main = {
 /* 930MHz configuration */
 static const struct alpha_pll_config gpll3_config = {
 	.l = 48,
+	.alpha_hi = 0x70,
 	.alpha = 0x0,
 	.alpha_en_mask = BIT(24),
 	.post_div_mask = 0xf << 8,

drivers/comedi/comedi_fops.c

@@ -2402,6 +2402,18 @@ static int comedi_mmap(struct file *file, struct vm_area_struct *vma)
 
 			start += PAGE_SIZE;
 		}
+
+#ifdef CONFIG_MMU
+		/*
+		 * Leaving behind a partial mapping of a buffer we're about to
+		 * drop is unsafe, see remap_pfn_range_notrack().
+		 * We need to zap the range here ourselves instead of relying
+		 * on the automatic zapping in remap_pfn_range() because we call
+		 * remap_pfn_range() in a loop.
+		 */
+		if (retval)
+			zap_vma_ptes(vma, vma->vm_start, size);
+#endif
 	}
 
 	if (retval == 0) {

drivers/counter/stm32-timer-cnt.c

@@ -195,11 +195,17 @@ static int stm32_count_enable_write(struct counter_device *counter,
 {
 	struct stm32_timer_cnt *const priv = counter_priv(counter);
 	u32 cr1;
+	int ret;
 
 	if (enable) {
 		regmap_read(priv->regmap, TIM_CR1, &cr1);
-		if (!(cr1 & TIM_CR1_CEN))
-			clk_enable(priv->clk);
+		if (!(cr1 & TIM_CR1_CEN)) {
+			ret = clk_enable(priv->clk);
+			if (ret) {
+				dev_err(counter->parent, "Cannot enable clock %d\n", ret);
+				return ret;
+			}
+		}
 
 		regmap_update_bits(priv->regmap, TIM_CR1, TIM_CR1_CEN,
 				   TIM_CR1_CEN);
@@ -380,7 +386,11 @@ static int __maybe_unused stm32_timer_cnt_resume(struct device *dev)
 		return ret;
 
 	if (priv->enabled) {
-		clk_enable(priv->clk);
+		ret = clk_enable(priv->clk);
+		if (ret) {
+			dev_err(dev, "Cannot enable clock %d\n", ret);
+			return ret;
+		}
 
 		/* Restore registers that may have been lost */
 		regmap_write(priv->regmap, TIM_SMCR, priv->bak.smcr);

drivers/counter/ti-ecap-capture.c

@@ -576,8 +576,13 @@ static int ecap_cnt_resume(struct device *dev)
 {
 	struct counter_device *counter_dev = dev_get_drvdata(dev);
 	struct ecap_cnt_dev *ecap_dev = counter_priv(counter_dev);
+	int ret;
 
-	clk_enable(ecap_dev->clk);
+	ret = clk_enable(ecap_dev->clk);
+	if (ret) {
+		dev_err(dev, "Cannot enable clock %d\n", ret);
+		return ret;
+	}
 
 	ecap_cnt_capture_set_evmode(counter_dev, ecap_dev->pm_ctx.ev_mode);
 

drivers/cpufreq/cppc_cpufreq.c

@@ -423,7 +423,7 @@ static int cppc_get_cpu_power(struct device *cpu_dev,
 
 	policy = cpufreq_cpu_get_raw(cpu_dev->id);
 	if (!policy)
-		return 0;
+		return -EINVAL;
 
 	cpu_data = policy->driver_data;
 	perf_caps = &cpu_data->perf_caps;
@@ -493,7 +493,7 @@ static int cppc_get_cpu_cost(struct device *cpu_dev, unsigned long KHz,
 
 	policy = cpufreq_cpu_get_raw(cpu_dev->id);
 	if (!policy)
-		return 0;
+		return -EINVAL;
 
 	cpu_data = policy->driver_data;
 	perf_caps = &cpu_data->perf_caps;

drivers/cpufreq/mediatek-cpufreq-hw.c

@@ -62,7 +62,7 @@ mtk_cpufreq_get_cpu_power(struct device *cpu_dev, unsigned long *uW,
 
 	policy = cpufreq_cpu_get_raw(cpu_dev->id);
 	if (!policy)
-		return 0;
+		return -EINVAL;
 
 	data = policy->driver_data;
 

drivers/dax/pmem/Makefile

@@ -1,7 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0-only
-obj-$(CONFIG_DEV_DAX_PMEM) += dax_pmem.o
-obj-$(CONFIG_DEV_DAX_PMEM) += dax_pmem_core.o
-
-dax_pmem-y := pmem.o
-dax_pmem_core-y := core.o
-dax_pmem_compat-y := compat.o

drivers/dax/pmem/pmem.c

@@ -1,10 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/* Copyright(c) 2016 - 2018 Intel Corporation. All rights reserved. */
-#include <linux/percpu-refcount.h>
-#include <linux/memremap.h>
-#include <linux/module.h>
-#include <linux/pfn_t.h>
-#include <linux/nd.h>
-#include "../bus.h"
-
-

drivers/gpio/gpio-exar.c

@@ -99,11 +99,13 @@ static void exar_set_value(struct gpio_chip *chip, unsigned int offset,
 	struct exar_gpio_chip *exar_gpio = gpiochip_get_data(chip);
 	unsigned int addr = exar_offset_to_lvl_addr(exar_gpio, offset);
 	unsigned int bit = exar_offset_to_bit(exar_gpio, offset);
+	unsigned int bit_value = value ? BIT(bit) : 0;
 
-	if (value)
-		regmap_set_bits(exar_gpio->regmap, addr, BIT(bit));
-	else
-		regmap_clear_bits(exar_gpio->regmap, addr, BIT(bit));
+	/*
+	 * regmap_write_bits() forces value to be written when an external
+	 * pull up/down might otherwise indicate value was already set.
+	 */
+	regmap_write_bits(exar_gpio->regmap, addr, BIT(bit), bit_value);
 }
 
 static int exar_direction_output(struct gpio_chip *chip, unsigned int offset,

drivers/gpio/gpio-grgpio.c

@@ -328,6 +328,7 @@ static const struct irq_domain_ops grgpio_irq_domain_ops = {
 static int grgpio_probe(struct platform_device *ofdev)
 {
 	struct device_node *np = ofdev->dev.of_node;
+	struct device *dev = &ofdev->dev;
 	void  __iomem *regs;
 	struct gpio_chip *gc;
 	struct grgpio_priv *priv;
@@ -337,7 +338,7 @@ static int grgpio_probe(struct platform_device *ofdev)
 	int size;
 	int i;
 
-	priv = devm_kzalloc(&ofdev->dev, sizeof(*priv), GFP_KERNEL);
+	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
 	if (!priv)
 		return -ENOMEM;
 
@@ -346,28 +347,31 @@ static int grgpio_probe(struct platform_device *ofdev)
 		return PTR_ERR(regs);
 
 	gc = &priv->gc;
-	err = bgpio_init(gc, &ofdev->dev, 4, regs + GRGPIO_DATA,
+	err = bgpio_init(gc, dev, 4, regs + GRGPIO_DATA,
 			 regs + GRGPIO_OUTPUT, NULL, regs + GRGPIO_DIR, NULL,
 			 BGPIOF_BIG_ENDIAN_BYTE_ORDER);
 	if (err) {
-		dev_err(&ofdev->dev, "bgpio_init() failed\n");
+		dev_err(dev, "bgpio_init() failed\n");
 		return err;
 	}
 
 	priv->regs = regs;
 	priv->imask = gc->read_reg(regs + GRGPIO_IMASK);
-	priv->dev = &ofdev->dev;
+	priv->dev = dev;
 
 	gc->owner = THIS_MODULE;
 	gc->to_irq = grgpio_to_irq;
-	gc->label = devm_kasprintf(&ofdev->dev, GFP_KERNEL, "%pOF", np);
+	gc->label = devm_kasprintf(dev, GFP_KERNEL, "%pOF", np);
+	if (!gc->label)
+		return -ENOMEM;
+
 	gc->base = -1;
 
 	err = of_property_read_u32(np, "nbits", &prop);
 	if (err || prop <= 0 || prop > GRGPIO_MAX_NGPIO) {
 		gc->ngpio = GRGPIO_MAX_NGPIO;
-		dev_dbg(&ofdev->dev,
-			"No or invalid nbits property: assume %d\n", gc->ngpio);
+		dev_dbg(dev, "No or invalid nbits property: assume %d\n",
+			gc->ngpio);
 	} else {
 		gc->ngpio = prop;
 	}
@@ -379,7 +383,7 @@ static int grgpio_probe(struct platform_device *ofdev)
 	irqmap = (s32 *)of_get_property(np, "irqmap", &size);
 	if (irqmap) {
 		if (size < gc->ngpio) {
-			dev_err(&ofdev->dev,
+			dev_err(dev,
 				"irqmap shorter than ngpio (%d < %d)\n",
 				size, gc->ngpio);
 			return -EINVAL;
@@ -389,7 +393,7 @@ static int grgpio_probe(struct platform_device *ofdev)
 						     &grgpio_irq_domain_ops,
 						     priv);
 		if (!priv->domain) {
-			dev_err(&ofdev->dev, "Could not add irq domain\n");
+			dev_err(dev, "Could not add irq domain\n");
 			return -EINVAL;
 		}
 
@@ -419,13 +423,13 @@ static int grgpio_probe(struct platform_device *ofdev)
 
 	err = gpiochip_add_data(gc, priv);
 	if (err) {
-		dev_err(&ofdev->dev, "Could not add gpiochip\n");
+		dev_err(dev, "Could not add gpiochip\n");
 		if (priv->domain)
 			irq_domain_remove(priv->domain);
 		return err;
 	}
 
-	dev_info(&ofdev->dev, "regs=0x%p, base=%d, ngpio=%d, irqs=%s\n",
+	dev_info(dev, "regs=0x%p, base=%d, ngpio=%d, irqs=%s\n",
 		 priv->regs, gc->base, gc->ngpio, priv->domain ? "on" : "off");
 
 	return 0;

drivers/gpu/drm/amd/display/dc/dcn20/dcn20_hwseq.c

@@ -856,7 +856,8 @@ bool dcn20_set_output_transfer_func(struct dc *dc, struct pipe_ctx *pipe_ctx,
 	/*
 	 * if above if is not executed then 'params' equal to 0 and set in bypass
 	 */
-	mpc->funcs->set_output_gamma(mpc, mpcc_id, params);
+	if (mpc->funcs->set_output_gamma)
+		mpc->funcs->set_output_gamma(mpc, mpcc_id, params);
 
 	return true;
 }

drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c

@@ -448,7 +448,7 @@ void dcn30_init_hw(struct dc *dc)
 	int edp_num;
 	uint32_t backlight = MAX_BACKLIGHT_LEVEL;
 
-	if (dc->clk_mgr && dc->clk_mgr->funcs->init_clocks)
+	if (dc->clk_mgr && dc->clk_mgr->funcs && dc->clk_mgr->funcs->init_clocks)
 		dc->clk_mgr->funcs->init_clocks(dc->clk_mgr);
 
 	// Initialize the dccg
@@ -631,11 +631,12 @@ void dcn30_init_hw(struct dc *dc)
 	if (!dcb->funcs->is_accelerated_mode(dcb) && dc->res_pool->hubbub->funcs->init_watermarks)
 		dc->res_pool->hubbub->funcs->init_watermarks(dc->res_pool->hubbub);
 
-	if (dc->clk_mgr->funcs->notify_wm_ranges)
+	if (dc->clk_mgr && dc->clk_mgr->funcs && dc->clk_mgr->funcs->notify_wm_ranges)
 		dc->clk_mgr->funcs->notify_wm_ranges(dc->clk_mgr);
 
 	//if softmax is enabled then hardmax will be set by a different call
-	if (dc->clk_mgr->funcs->set_hard_max_memclk && !dc->clk_mgr->dc_mode_softmax_enabled)
+	if (dc->clk_mgr && dc->clk_mgr->funcs && dc->clk_mgr->funcs->set_hard_max_memclk &&
+	    !dc->clk_mgr->dc_mode_softmax_enabled)
 		dc->clk_mgr->funcs->set_hard_max_memclk(dc->clk_mgr);
 
 	if (dc->res_pool->hubbub->funcs->force_pstate_change_control)

drivers/gpu/drm/amd/display/dc/dcn32/dcn32_hwseq.c

@@ -811,7 +811,7 @@ void dcn32_init_hw(struct dc *dc)
 	int edp_num;
 	uint32_t backlight = MAX_BACKLIGHT_LEVEL;
 
-	if (dc->clk_mgr && dc->clk_mgr->funcs->init_clocks)
+	if (dc->clk_mgr && dc->clk_mgr->funcs && dc->clk_mgr->funcs->init_clocks)
 		dc->clk_mgr->funcs->init_clocks(dc->clk_mgr);
 
 	// Initialize the dccg
@@ -970,10 +970,11 @@ void dcn32_init_hw(struct dc *dc)
 	if (!dcb->funcs->is_accelerated_mode(dcb) && dc->res_pool->hubbub->funcs->init_watermarks)
 		dc->res_pool->hubbub->funcs->init_watermarks(dc->res_pool->hubbub);
 
-	if (dc->clk_mgr->funcs->notify_wm_ranges)
+	if (dc->clk_mgr && dc->clk_mgr->funcs && dc->clk_mgr->funcs->notify_wm_ranges)
 		dc->clk_mgr->funcs->notify_wm_ranges(dc->clk_mgr);
 
-	if (dc->clk_mgr->funcs->set_hard_max_memclk && !dc->clk_mgr->dc_mode_softmax_enabled)
+	if (dc->clk_mgr && dc->clk_mgr->funcs && dc->clk_mgr->funcs->set_hard_max_memclk &&
+	    !dc->clk_mgr->dc_mode_softmax_enabled)
 		dc->clk_mgr->funcs->set_hard_max_memclk(dc->clk_mgr);
 
 	if (dc->res_pool->hubbub->funcs->force_pstate_change_control)

drivers/gpu/drm/amd/display/dc/dcn32/dcn32_resource.c

@@ -1796,6 +1796,9 @@ void dcn32_add_phantom_pipes(struct dc *dc, struct dc_state *context,
 	// be a valid candidate for SubVP (i.e. has a plane, stream, doesn't
 	// already have phantom pipe assigned, etc.) by previous checks.
 	phantom_stream = dcn32_enable_phantom_stream(dc, context, pipes, pipe_cnt, index);
+	if (!phantom_stream)
+		return;
+
 	dcn32_enable_phantom_plane(dc, context, phantom_stream, index);
 
 	for (i = 0; i < dc->res_pool->pipe_count; i++) {

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c

@@ -1314,6 +1314,8 @@ static ssize_t smu_v13_0_7_get_gpu_metrics(struct smu_context *smu,
 	gpu_metrics->average_dclk1_frequency = metrics->AverageDclk1Frequency;
 
 	gpu_metrics->current_gfxclk = metrics->CurrClock[PPCLK_GFXCLK];
+	gpu_metrics->current_socclk = metrics->CurrClock[PPCLK_SOCCLK];
+	gpu_metrics->current_uclk = metrics->CurrClock[PPCLK_UCLK];
 	gpu_metrics->current_vclk0 = metrics->CurrClock[PPCLK_VCLK_0];
 	gpu_metrics->current_dclk0 = metrics->CurrClock[PPCLK_DCLK_0];
 	gpu_metrics->current_vclk1 = metrics->CurrClock[PPCLK_VCLK_1];

drivers/gpu/drm/etnaviv/etnaviv_buffer.c

@@ -481,7 +481,8 @@ void etnaviv_buffer_queue(struct etnaviv_gpu *gpu, u32 exec_state,
 	} else {
 		CMD_LOAD_STATE(buffer, VIVS_GL_FLUSH_CACHE,
 				       VIVS_GL_FLUSH_CACHE_DEPTH |
-				       VIVS_GL_FLUSH_CACHE_COLOR);
+				       VIVS_GL_FLUSH_CACHE_COLOR |
+				       VIVS_GL_FLUSH_CACHE_SHADER_L1);
 		if (has_blt) {
 			CMD_LOAD_STATE(buffer, VIVS_BLT_ENABLE, 0x1);
 			CMD_LOAD_STATE(buffer, VIVS_BLT_SET_COMMAND, 0x1);

drivers/gpu/drm/sti/sti_cursor.c

@@ -200,6 +200,9 @@ static int sti_cursor_atomic_check(struct drm_plane *drm_plane,
 		return 0;
 
 	crtc_state = drm_atomic_get_crtc_state(state, crtc);
+	if (IS_ERR(crtc_state))
+		return PTR_ERR(crtc_state);
+
 	mode = &crtc_state->mode;
 	dst_x = new_plane_state->crtc_x;
 	dst_y = new_plane_state->crtc_y;

drivers/gpu/drm/sti/sti_gdp.c

@@ -638,6 +638,9 @@ static int sti_gdp_atomic_check(struct drm_plane *drm_plane,
 
 	mixer = to_sti_mixer(crtc);
 	crtc_state = drm_atomic_get_crtc_state(state, crtc);
+	if (IS_ERR(crtc_state))
+		return PTR_ERR(crtc_state);
+
 	mode = &crtc_state->mode;
 	dst_x = new_plane_state->crtc_x;
 	dst_y = new_plane_state->crtc_y;

drivers/gpu/drm/sti/sti_hqvdp.c

@@ -1037,6 +1037,9 @@ static int sti_hqvdp_atomic_check(struct drm_plane *drm_plane,
 		return 0;
 
 	crtc_state = drm_atomic_get_crtc_state(state, crtc);
+	if (IS_ERR(crtc_state))
+		return PTR_ERR(crtc_state);
+
 	mode = &crtc_state->mode;
 	dst_x = new_plane_state->crtc_x;
 	dst_y = new_plane_state->crtc_y;

drivers/hid/wacom_wac.c

@@ -1396,9 +1396,9 @@ static void wacom_intuos_pro2_bt_pen(struct wacom_wac *wacom)
 					rotation -= 1800;
 
 				input_report_abs(pen_input, ABS_TILT_X,
-						 (char)frame[7]);
+						 (signed char)frame[7]);
 				input_report_abs(pen_input, ABS_TILT_Y,
-						 (char)frame[8]);
+						 (signed char)frame[8]);
 				input_report_abs(pen_input, ABS_Z, rotation);
 				input_report_abs(pen_input, ABS_WHEEL,
 						 get_unaligned_le16(&frame[11]));

drivers/hwmon/tps23861.c

@@ -132,7 +132,7 @@ static int tps23861_read_temp(struct tps23861_data *data, long *val)
 	if (err < 0)
 		return err;
 
-	*val = (regval * TEMPERATURE_LSB) - 20000;
+	*val = ((long)regval * TEMPERATURE_LSB) - 20000;
 
 	return 0;
 }

drivers/i3c/master.c

@@ -1281,7 +1281,7 @@ static void i3c_master_put_i3c_addrs(struct i3c_dev_desc *dev)
 					     I3C_ADDR_SLOT_FREE);
 
 	if (dev->boardinfo && dev->boardinfo->init_dyn_addr)
-		i3c_bus_set_addr_slot_status(&master->bus, dev->info.dyn_addr,
+		i3c_bus_set_addr_slot_status(&master->bus, dev->boardinfo->init_dyn_addr,
 					     I3C_ADDR_SLOT_FREE);
 }
 

drivers/i3c/master/svc-i3c-master.c

@@ -1639,8 +1639,8 @@ static int svc_i3c_master_probe(struct platform_device *pdev)
 rpm_disable:
 	pm_runtime_dont_use_autosuspend(&pdev->dev);
 	pm_runtime_put_noidle(&pdev->dev);
-	pm_runtime_set_suspended(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);
+	pm_runtime_set_suspended(&pdev->dev);
 
 err_disable_clks:
 	svc_i3c_master_unprepare_clks(master);

drivers/iio/adc/ad7780.c

@@ -152,7 +152,7 @@ static int ad7780_write_raw(struct iio_dev *indio_dev,
 
 	switch (m) {
 	case IIO_CHAN_INFO_SCALE:
-		if (val != 0)
+		if (val != 0 || val2 == 0)
 			return -EINVAL;
 
 		vref = st->int_vref_mv * 1000000LL;

drivers/iio/adc/ad7923.c

@@ -48,7 +48,7 @@
 
 struct ad7923_state {
 	struct spi_device		*spi;
-	struct spi_transfer		ring_xfer[5];
+	struct spi_transfer		ring_xfer[9];
 	struct spi_transfer		scan_single_xfer[2];
 	struct spi_message		ring_msg;
 	struct spi_message		scan_single_msg;
@@ -64,7 +64,7 @@ struct ad7923_state {
 	 * Length = 8 channels + 4 extra for 8 byte timestamp
 	 */
 	__be16				rx_buf[12] __aligned(IIO_DMA_MINALIGN);
-	__be16				tx_buf[4];
+	__be16				tx_buf[8];
 };
 
 struct ad7923_chip_info {

drivers/iio/inkern.c

@@ -276,7 +276,7 @@ struct iio_channel *fwnode_iio_channel_get_by_name(struct fwnode_handle *fwnode,
 			return ERR_PTR(-ENODEV);
 		}
 
-		chan = __fwnode_iio_channel_get_by_name(fwnode, name);
+		chan = __fwnode_iio_channel_get_by_name(parent, name);
 		if (!IS_ERR(chan) || PTR_ERR(chan) != -ENODEV) {
 			fwnode_handle_put(parent);
  			return chan;

drivers/iio/light/al3010.c

@@ -87,7 +87,12 @@ static int al3010_init(struct al3010_data *data)
 	int ret;
 
 	ret = al3010_set_pwr(data->client, true);
+	if (ret < 0)
+		return ret;
 
+	ret = devm_add_action_or_reset(&data->client->dev,
+				       al3010_set_pwr_off,
+				       data);
 	if (ret < 0)
 		return ret;
 
@@ -191,12 +196,6 @@ static int al3010_probe(struct i2c_client *client,
 		return ret;
 	}
 
-	ret = devm_add_action_or_reset(&client->dev,
-					al3010_set_pwr_off,
-					data);
-	if (ret < 0)
-		return ret;
-
 	return devm_iio_device_register(&client->dev, indio_dev);
 }
 

drivers/infiniband/hw/hns/hns_roce_hw_v2.c

@@ -578,7 +578,7 @@ static inline int set_rc_wqe(struct hns_roce_qp *qp,
 	if (WARN_ON(ret))
 		return ret;
 
-	hr_reg_write(rc_sq_wqe, RC_SEND_WQE_FENCE,
+	hr_reg_write(rc_sq_wqe, RC_SEND_WQE_SO,
 		     (wr->send_flags & IB_SEND_FENCE) ? 1 : 0);
 
 	hr_reg_write(rc_sq_wqe, RC_SEND_WQE_SE,

drivers/infiniband/hw/hns/hns_roce_hw_v2.h

@@ -926,6 +926,7 @@ struct hns_roce_v2_rc_send_wqe {
 #define RC_SEND_WQE_OWNER RC_SEND_WQE_FIELD_LOC(7, 7)
 #define RC_SEND_WQE_CQE RC_SEND_WQE_FIELD_LOC(8, 8)
 #define RC_SEND_WQE_FENCE RC_SEND_WQE_FIELD_LOC(9, 9)
+#define RC_SEND_WQE_SO RC_SEND_WQE_FIELD_LOC(10, 10)
 #define RC_SEND_WQE_SE RC_SEND_WQE_FIELD_LOC(11, 11)
 #define RC_SEND_WQE_INLINE RC_SEND_WQE_FIELD_LOC(12, 12)
 #define RC_SEND_WQE_WQE_INDEX RC_SEND_WQE_FIELD_LOC(30, 15)

drivers/infiniband/hw/hns/hns_roce_mr.c

@@ -415,15 +415,16 @@ static int hns_roce_set_page(struct ib_mr *ibmr, u64 addr)
 }
 
 int hns_roce_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
-		       unsigned int *sg_offset)
+		       unsigned int *sg_offset_p)
 {
+	unsigned int sg_offset = sg_offset_p ? *sg_offset_p : 0;
 	struct hns_roce_dev *hr_dev = to_hr_dev(ibmr->device);
 	struct ib_device *ibdev = &hr_dev->ib_dev;
 	struct hns_roce_mr *mr = to_hr_mr(ibmr);
 	struct hns_roce_mtr *mtr = &mr->pbl_mtr;
 	int ret, sg_num = 0;
 
-	if (!IS_ALIGNED(*sg_offset, HNS_ROCE_FRMR_ALIGN_SIZE) ||
+	if (!IS_ALIGNED(sg_offset, HNS_ROCE_FRMR_ALIGN_SIZE) ||
 	    ibmr->page_size < HNS_HW_PAGE_SIZE ||
 	    ibmr->page_size > HNS_HW_MAX_PAGE_SIZE)
 		return sg_num;
@@ -434,7 +435,7 @@ int hns_roce_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
 	if (!mr->page_list)
 		return sg_num;
 
-	sg_num = ib_sg_to_pages(ibmr, sg, sg_nents, sg_offset, hns_roce_set_page);
+	sg_num = ib_sg_to_pages(ibmr, sg, sg_nents, sg_offset_p, hns_roce_set_page);
 	if (sg_num < 1) {
 		ibdev_err(ibdev, "failed to store sg pages %u %u, cnt = %d.\n",
 			  mr->npages, mr->pbl_mtr.hem_cfg.buf_pg_count, sg_num);

drivers/iommu/io-pgtable-arm.c

@@ -184,6 +184,18 @@ static phys_addr_t iopte_to_paddr(arm_lpae_iopte pte,
 	return (paddr | (paddr << (48 - 12))) & (ARM_LPAE_PTE_ADDR_MASK << 4);
 }
 
+/*
+ * Convert an index returned by ARM_LPAE_PGD_IDX(), which can point into
+ * a concatenated PGD, into the maximum number of entries that can be
+ * mapped in the same table page.
+ */
+static inline int arm_lpae_max_entries(int i, struct arm_lpae_io_pgtable *data)
+{
+	int ptes_per_table = ARM_LPAE_PTES_PER_TABLE(data);
+
+	return ptes_per_table - (i & (ptes_per_table - 1));
+}
+
 static bool selftest_running = false;
 
 static dma_addr_t __arm_lpae_dma_addr(void *pages)
@@ -361,7 +373,7 @@ static int __arm_lpae_map(struct arm_lpae_io_pgtable *data, unsigned long iova,
 
 	/* If we can install a leaf entry at this level, then do so */
 	if (size == block_size) {
-		max_entries = ARM_LPAE_PTES_PER_TABLE(data) - map_idx_start;
+		max_entries = arm_lpae_max_entries(map_idx_start, data);
 		num_entries = min_t(int, pgcount, max_entries);
 		ret = arm_lpae_init_pte(data, iova, paddr, prot, lvl, num_entries, ptep);
 		if (!ret && mapped)
@@ -578,7 +590,7 @@ static size_t arm_lpae_split_blk_unmap(struct arm_lpae_io_pgtable *data,
 
 	if (size == split_sz) {
 		unmap_idx_start = ARM_LPAE_LVL_IDX(iova, lvl, data);
-		max_entries = ptes_per_table - unmap_idx_start;
+		max_entries = arm_lpae_max_entries(unmap_idx_start, data);
 		num_entries = min_t(int, pgcount, max_entries);
 	}
 
@@ -636,7 +648,7 @@ static size_t __arm_lpae_unmap(struct arm_lpae_io_pgtable *data,
 
 	/* If the size matches this level, we're in the right place */
 	if (size == ARM_LPAE_BLOCK_SIZE(lvl, data)) {
-		max_entries = ARM_LPAE_PTES_PER_TABLE(data) - unmap_idx_start;
+		max_entries = arm_lpae_max_entries(unmap_idx_start, data);
 		num_entries = min_t(int, pgcount, max_entries);
 
 		while (i < num_entries) {

drivers/leds/leds-lp55xx-common.c

@@ -580,9 +580,6 @@ static int lp55xx_parse_common_child(struct device_node *np,
 	if (ret)
 		return ret;
 
-	if (*chan_nr < 0 || *chan_nr > cfg->max_channel)
-		return -EINVAL;
-
 	return 0;
 }
 

drivers/mailbox/arm_mhuv2.c

@@ -500,7 +500,7 @@ static const struct mhuv2_protocol_ops mhuv2_data_transfer_ops = {
 static struct mbox_chan *get_irq_chan_comb(struct mhuv2 *mhu, u32 __iomem *reg)
 {
 	struct mbox_chan *chans = mhu->mbox.chans;
-	int channel = 0, i, offset = 0, windows, protocol, ch_wn;
+	int channel = 0, i, j, offset = 0, windows, protocol, ch_wn;
 	u32 stat;
 
 	for (i = 0; i < MHUV2_CMB_INT_ST_REG_CNT; i++) {
@@ -510,9 +510,9 @@ static struct mbox_chan *get_irq_chan_comb(struct mhuv2 *mhu, u32 __iomem *reg)
 
 		ch_wn = i * MHUV2_STAT_BITS + __builtin_ctz(stat);
 
-		for (i = 0; i < mhu->length; i += 2) {
-			protocol = mhu->protocols[i];
-			windows = mhu->protocols[i + 1];
+		for (j = 0; j < mhu->length; j += 2) {
+			protocol = mhu->protocols[j];
+			windows = mhu->protocols[j + 1];
 
 			if (ch_wn >= offset + windows) {
 				if (protocol == DOORBELL)

drivers/mailbox/mtk-cmdq-mailbox.c

@@ -605,18 +605,18 @@ static int cmdq_probe(struct platform_device *pdev)
 		cmdq->mbox.chans[i].con_priv = (void *)&cmdq->thread[i];
 	}
 
-	err = devm_mbox_controller_register(dev, &cmdq->mbox);
-	if (err < 0) {
-		dev_err(dev, "failed to register mailbox: %d\n", err);
-		return err;
-	}
-
 	platform_set_drvdata(pdev, cmdq);
 
 	WARN_ON(clk_bulk_prepare(cmdq->gce_num, cmdq->clocks));
 
 	cmdq_init(cmdq);
 
+	err = devm_mbox_controller_register(dev, &cmdq->mbox);
+	if (err < 0) {
+		dev_err(dev, "failed to register mailbox: %d\n", err);
+		return err;
+	}
+
 	return 0;
 }
 

drivers/md/dm-thin.c

@@ -2457,6 +2457,7 @@ static void pool_work_wait(struct pool_work *pw, struct pool *pool,
 	init_completion(&pw->complete);
 	queue_work(pool->wq, &pw->worker);
 	wait_for_completion(&pw->complete);
+	destroy_work_on_stack(&pw->worker);
 }
 
 /*----------------------------------------------------------------*/

drivers/media/dvb-frontends/ts2020.c

@@ -554,13 +554,19 @@ static int ts2020_probe(struct i2c_client *client,
 		const struct i2c_device_id *id)
 {
 	struct ts2020_config *pdata = client->dev.platform_data;
-	struct dvb_frontend *fe = pdata->fe;
+	struct dvb_frontend *fe;
 	struct ts2020_priv *dev;
 	int ret;
 	u8 u8tmp;
 	unsigned int utmp;
 	char *chip_str;
 
+	if (!pdata) {
+		dev_err(&client->dev, "platform data is mandatory\n");
+		return -EINVAL;
+	}
+
+	fe = pdata->fe;
 	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
 	if (!dev) {
 		ret = -ENOMEM;

drivers/media/i2c/adv7604.c

@@ -1405,12 +1405,13 @@ static int stdi2dv_timings(struct v4l2_subdev *sd,
 	if (v4l2_detect_cvt(stdi->lcf + 1, hfreq, stdi->lcvs, 0,
 			(stdi->hs_pol == '+' ? V4L2_DV_HSYNC_POS_POL : 0) |
 			(stdi->vs_pol == '+' ? V4L2_DV_VSYNC_POS_POL : 0),
-			false, timings))
+			false, adv76xx_get_dv_timings_cap(sd, -1), timings))
 		return 0;
 	if (v4l2_detect_gtf(stdi->lcf + 1, hfreq, stdi->lcvs,
 			(stdi->hs_pol == '+' ? V4L2_DV_HSYNC_POS_POL : 0) |
 			(stdi->vs_pol == '+' ? V4L2_DV_VSYNC_POS_POL : 0),
-			false, state->aspect_ratio, timings))
+			false, state->aspect_ratio,
+			adv76xx_get_dv_timings_cap(sd, -1), timings))
 		return 0;
 
 	v4l2_dbg(2, debug, sd,

drivers/media/i2c/adv7842.c

@@ -1431,14 +1431,15 @@ static int stdi2dv_timings(struct v4l2_subdev *sd,
 	}
 
 	if (v4l2_detect_cvt(stdi->lcf + 1, hfreq, stdi->lcvs, 0,
-			(stdi->hs_pol == '+' ? V4L2_DV_HSYNC_POS_POL : 0) |
-			(stdi->vs_pol == '+' ? V4L2_DV_VSYNC_POS_POL : 0),
-			false, timings))
+			    (stdi->hs_pol == '+' ? V4L2_DV_HSYNC_POS_POL : 0) |
+			    (stdi->vs_pol == '+' ? V4L2_DV_VSYNC_POS_POL : 0),
+			    false, adv7842_get_dv_timings_cap(sd), timings))
 		return 0;
 	if (v4l2_detect_gtf(stdi->lcf + 1, hfreq, stdi->lcvs,
-			(stdi->hs_pol == '+' ? V4L2_DV_HSYNC_POS_POL : 0) |
-			(stdi->vs_pol == '+' ? V4L2_DV_VSYNC_POS_POL : 0),
-			false, state->aspect_ratio, timings))
+			    (stdi->hs_pol == '+' ? V4L2_DV_HSYNC_POS_POL : 0) |
+			    (stdi->vs_pol == '+' ? V4L2_DV_VSYNC_POS_POL : 0),
+			    false, state->aspect_ratio,
+			    adv7842_get_dv_timings_cap(sd), timings))
 		return 0;
 
 	v4l2_dbg(2, debug, sd,

drivers/media/i2c/dw9768.c

@@ -476,10 +476,9 @@ static int dw9768_probe(struct i2c_client *client)
 	 * to be powered on in an ACPI system. Similarly for power off in
 	 * remove.
 	 */
-	pm_runtime_enable(dev);
 	full_power = (is_acpi_node(dev_fwnode(dev)) &&
 		      acpi_dev_state_d0(dev)) ||
-		     (is_of_node(dev_fwnode(dev)) && !pm_runtime_enabled(dev));
+		     (is_of_node(dev_fwnode(dev)) && !IS_ENABLED(CONFIG_PM));
 	if (full_power) {
 		ret = dw9768_runtime_resume(dev);
 		if (ret < 0) {
@@ -489,6 +488,7 @@ static int dw9768_probe(struct i2c_client *client)
 		pm_runtime_set_active(dev);
 	}
 
+	pm_runtime_enable(dev);
 	ret = v4l2_async_register_subdev(&dw9768->sd);
 	if (ret < 0) {
 		dev_err(dev, "failed to register V4L2 subdev: %d", ret);
@@ -500,12 +500,12 @@ static int dw9768_probe(struct i2c_client *client)
 	return 0;
 
 err_power_off:
+	pm_runtime_disable(dev);
 	if (full_power) {
 		dw9768_runtime_suspend(dev);
 		pm_runtime_set_suspended(dev);
 	}
 err_clean_entity:
-	pm_runtime_disable(dev);
 	media_entity_cleanup(&dw9768->sd.entity);
 err_free_handler:
 	v4l2_ctrl_handler_free(&dw9768->ctrls);
@@ -522,12 +522,12 @@ static void dw9768_remove(struct i2c_client *client)
 	v4l2_async_unregister_subdev(&dw9768->sd);
 	v4l2_ctrl_handler_free(&dw9768->ctrls);
 	media_entity_cleanup(&dw9768->sd.entity);
+	pm_runtime_disable(dev);
 	if ((is_acpi_node(dev_fwnode(dev)) && acpi_dev_state_d0(dev)) ||
-	    (is_of_node(dev_fwnode(dev)) && !pm_runtime_enabled(dev))) {
+	    (is_of_node(dev_fwnode(dev)) && !IS_ENABLED(CONFIG_PM))) {
 		dw9768_runtime_suspend(dev);
 		pm_runtime_set_suspended(dev);
 	}
-	pm_runtime_disable(dev);
 }
 
 static const struct of_device_id dw9768_of_table[] = {

drivers/media/i2c/tc358743.c

@@ -2162,8 +2162,10 @@ static int tc358743_probe(struct i2c_client *client)
 
 err_work_queues:
 	cec_unregister_adapter(state->cec_adap);
-	if (!state->i2c_client->irq)
+	if (!state->i2c_client->irq) {
+		del_timer(&state->timer);
 		flush_work(&state->work_i2c_poll);
+	}
 	cancel_delayed_work(&state->delayed_work_enable_hotplug);
 	mutex_destroy(&state->confctl_mutex);
 err_hdl:

drivers/media/platform/allegro-dvt/allegro-core.c

@@ -1510,8 +1510,10 @@ static int allocate_buffers_internal(struct allegro_channel *channel,
 		INIT_LIST_HEAD(&buffer->head);
 
 		err = allegro_alloc_buffer(dev, buffer, size);
-		if (err)
+		if (err) {
+			kfree(buffer);
 			goto err;
+		}
 		list_add(&buffer->head, list);
 	}
 

drivers/media/platform/amphion/vpu_drv.c

@@ -151,8 +151,8 @@ err_add_decoder:
 	media_device_cleanup(&vpu->mdev);
 	v4l2_device_unregister(&vpu->v4l2_dev);
 err_vpu_deinit:
-	pm_runtime_set_suspended(dev);
 	pm_runtime_disable(dev);
+	pm_runtime_set_suspended(dev);
 
 	return ret;
 }

drivers/media/platform/amphion/vpu_v4l2.c

@@ -740,6 +740,7 @@ int vpu_add_func(struct vpu_dev *vpu, struct vpu_func *func)
 		vfd->fops = vdec_get_fops();
 		vfd->ioctl_ops = vdec_get_ioctl_ops();
 	}
+	video_set_drvdata(vfd, vpu);
 
 	ret = video_register_device(vfd, VFL_TYPE_VIDEO, -1);
 	if (ret) {
@@ -747,7 +748,6 @@ int vpu_add_func(struct vpu_dev *vpu, struct vpu_func *func)
 		v4l2_m2m_release(func->m2m_dev);
 		return ret;
 	}
-	video_set_drvdata(vfd, vpu);
 	func->vfd = vfd;
 
 	ret = v4l2_m2m_register_media_controller(func->m2m_dev, func->vfd, func->function);

drivers/media/platform/aspeed/aspeed-video.c

@@ -1047,7 +1047,7 @@ static void aspeed_video_get_resolution(struct aspeed_video *video)
 static void aspeed_video_set_resolution(struct aspeed_video *video)
 {
 	struct v4l2_bt_timings *act = &video->active_timings;
-	unsigned int size = act->width * act->height;
+	unsigned int size = act->width * ALIGN(act->height, 8);
 
 	/* Set capture/compression frame sizes */
 	aspeed_video_calc_compressed_size(video, size);
@@ -1064,7 +1064,7 @@ static void aspeed_video_set_resolution(struct aspeed_video *video)
 		u32 width = ALIGN(act->width, 64);
 
 		aspeed_video_write(video, VE_CAP_WINDOW, width << 16 | act->height);
-		size = width * act->height;
+		size = width * ALIGN(act->height, 8);
 	} else {
 		aspeed_video_write(video, VE_CAP_WINDOW,
 				   act->width << 16 | act->height);

drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c

@@ -2097,6 +2097,8 @@ static void mxc_jpeg_detach_pm_domains(struct mxc_jpeg_dev *jpeg)
 	int i;
 
 	for (i = 0; i < jpeg->num_domains; i++) {
+		if (jpeg->pd_dev[i] && !pm_runtime_suspended(jpeg->pd_dev[i]))
+			pm_runtime_force_suspend(jpeg->pd_dev[i]);
 		if (jpeg->pd_link[i] && !IS_ERR(jpeg->pd_link[i]))
 			device_link_del(jpeg->pd_link[i]);
 		if (jpeg->pd_dev[i] && !IS_ERR(jpeg->pd_dev[i]))
@@ -2252,6 +2254,7 @@ static int mxc_jpeg_probe(struct platform_device *pdev)
 	jpeg->dec_vdev->vfl_dir = VFL_DIR_M2M;
 	jpeg->dec_vdev->device_caps = V4L2_CAP_STREAMING |
 					V4L2_CAP_VIDEO_M2M_MPLANE;
+	video_set_drvdata(jpeg->dec_vdev, jpeg);
 	if (mode == MXC_JPEG_ENCODE) {
 		v4l2_disable_ioctl(jpeg->dec_vdev, VIDIOC_DECODER_CMD);
 		v4l2_disable_ioctl(jpeg->dec_vdev, VIDIOC_TRY_DECODER_CMD);
@@ -2264,7 +2267,6 @@ static int mxc_jpeg_probe(struct platform_device *pdev)
 		dev_err(dev, "failed to register video device\n");
 		goto err_vdev_register;
 	}
-	video_set_drvdata(jpeg->dec_vdev, jpeg);
 	if (mode == MXC_JPEG_ENCODE)
 		v4l2_info(&jpeg->v4l2_dev,
 			  "encoder device registered as /dev/video%d (%d,%d)\n",