Merge 5.10.228 into android12-5.10-lts

Changes in 5.10.228
	ALSA: hda/conexant - Fix audio routing for HP EliteOne 1000 G2
	net: enetc: add missing static descriptor and inline keyword
	posix-clock: Fix missing timespec64 check in pc_clock_settime()
	arm64: probes: Remove broken LDR (literal) uprobe support
	arm64: probes: Fix simulate_ldr*_literal()
	net: macb: Avoid 20s boot delay by skipping MDIO bus registration for fixed-link PHY
	irqchip/gic-v3-its: Fix VSYNC referencing an unmapped VPE on GIC v4.1
	fat: fix uninitialized variable
	mm/swapfile: skip HugeTLB pages for unuse_vma
	wifi: mac80211: fix potential key use-after-free
	KVM: Fix a data race on last_boosted_vcpu in kvm_vcpu_on_spin()
	io_uring/sqpoll: do not allow pinning outside of cpuset
	io_uring/sqpoll: retain test for whether the CPU is valid
	io_uring/sqpoll: do not put cpumask on stack
	s390/sclp_vt220: Convert newlines to CRLF instead of LFCR
	KVM: s390: Change virtual to physical address access in diag 0x258 handler
	x86/cpufeatures: Define X86_FEATURE_AMD_IBPB_RET
	x86/cpufeatures: Add a IBPB_NO_RET BUG flag
	x86/entry: Have entry_ibpb() invalidate return predictions
	x86/bugs: Skip RSB fill at VMEXIT
	x86/bugs: Do not use UNTRAIN_RET with IBPB on entry
	blk-rq-qos: fix crash on rq_qos_wait vs. rq_qos_wake_function race
	io_uring/sqpoll: close race on waiting for sqring entries
	drm/radeon: Fix encoder->possible_clones
	drm/vmwgfx: Handle surface check failure correctly
	iio: dac: ad5770r: add missing select REGMAP_SPI in Kconfig
	iio: dac: ltc1660: add missing select REGMAP_SPI in Kconfig
	iio: dac: stm32-dac-core: add missing select REGMAP_MMIO in Kconfig
	iio: adc: ti-ads8688: add missing select IIO_(TRIGGERED_)BUFFER in Kconfig
	iio: hid-sensors: Fix an error handling path in _hid_sensor_set_report_latency()
	iio: light: veml6030: fix ALS sensor resolution
	iio: light: veml6030: fix IIO device retrieval from embedded device
	iio: light: opt3001: add missing full-scale range value
	iio: proximity: mb1232: add missing select IIO_(TRIGGERED_)BUFFER in Kconfig
	iio: adc: ti-ads124s08: add missing select IIO_(TRIGGERED_)BUFFER in Kconfig
	Bluetooth: Remove debugfs directory on module init failure
	Bluetooth: btusb: Fix regression with fake CSR controllers 0a12:0001
	xhci: Fix incorrect stream context type macro
	USB: serial: option: add support for Quectel EG916Q-GL
	USB: serial: option: add Telit FN920C04 MBIM compositions
	parport: Proper fix for array out-of-bounds access
	x86/resctrl: Annotate get_mem_config() functions as __init
	x86/apic: Always explicitly disarm TSC-deadline timer
	x86/entry_32: Do not clobber user EFLAGS.ZF
	x86/entry_32: Clear CPU buffers after register restore in NMI return
	irqchip/gic-v4: Don't allow a VMOVP on a dying VPE
	mptcp: track and update contiguous data status
	mptcp: handle consistently DSS corruption
	tcp: fix mptcp DSS corruption due to large pmtu xmit
	nilfs2: propagate directory read errors from nilfs_find_entry()
	powerpc/mm: Always update max/min_low_pfn in mem_topology_setup()
	ALSA: hda/conexant - Use cached pin control for Node 0x1d on HP EliteOne 1000 G2
	Linux 5.10.228

Change-Id: I46a08618e1091915449af89690af27a230a28855
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Makefile

@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
 PATCHLEVEL = 10
-SUBLEVEL = 227
+SUBLEVEL = 228
 EXTRAVERSION =
 NAME = Dare mighty things
 

arch/arm64/kernel/probes/decode-insn.c

@@ -99,10 +99,6 @@ arm_probe_decode_insn(probe_opcode_t insn, struct arch_probe_insn *api)
 	    aarch64_insn_is_blr(insn) ||
 	    aarch64_insn_is_ret(insn)) {
 		api->handler = simulate_br_blr_ret;
-	} else if (aarch64_insn_is_ldr_lit(insn)) {
-		api->handler = simulate_ldr_literal;
-	} else if (aarch64_insn_is_ldrsw_lit(insn)) {
-		api->handler = simulate_ldrsw_literal;
 	} else {
 		/*
 		 * Instruction cannot be stepped out-of-line and we don't
@@ -140,6 +136,17 @@ arm_kprobe_decode_insn(kprobe_opcode_t *addr, struct arch_specific_insn *asi)
 	probe_opcode_t insn = le32_to_cpu(*addr);
 	probe_opcode_t *scan_end = NULL;
 	unsigned long size = 0, offset = 0;
+	struct arch_probe_insn *api = &asi->api;
+
+	if (aarch64_insn_is_ldr_lit(insn)) {
+		api->handler = simulate_ldr_literal;
+		decoded = INSN_GOOD_NO_SLOT;
+	} else if (aarch64_insn_is_ldrsw_lit(insn)) {
+		api->handler = simulate_ldrsw_literal;
+		decoded = INSN_GOOD_NO_SLOT;
+	} else {
+		decoded = arm_probe_decode_insn(insn, &asi->api);
+	}
 
 	/*
 	 * If there's a symbol defined in front of and near enough to
@@ -157,7 +164,6 @@ arm_kprobe_decode_insn(kprobe_opcode_t *addr, struct arch_specific_insn *asi)
 		else
 			scan_end = addr - MAX_ATOMIC_CONTEXT_SIZE;
 	}
-	decoded = arm_probe_decode_insn(insn, &asi->api);
 
 	if (decoded != INSN_REJECTED && scan_end)
 		if (is_probed_address_atomic(addr - 1, scan_end))

arch/arm64/kernel/probes/simulate-insn.c

@@ -170,17 +170,15 @@ simulate_tbz_tbnz(u32 opcode, long addr, struct pt_regs *regs)
 void __kprobes
 simulate_ldr_literal(u32 opcode, long addr, struct pt_regs *regs)
 {
-	u64 *load_addr;
+	unsigned long load_addr;
 	int xn = opcode & 0x1f;
-	int disp;
 
-	disp = ldr_displacement(opcode);
-	load_addr = (u64 *) (addr + disp);
+	load_addr = addr + ldr_displacement(opcode);
 
 	if (opcode & (1 << 30))	/* x0-x30 */
-		set_x_reg(regs, xn, *load_addr);
+		set_x_reg(regs, xn, READ_ONCE(*(u64 *)load_addr));
 	else			/* w0-w30 */
-		set_w_reg(regs, xn, *load_addr);
+		set_w_reg(regs, xn, READ_ONCE(*(u32 *)load_addr));
 
 	instruction_pointer_set(regs, instruction_pointer(regs) + 4);
 }
@@ -188,14 +186,12 @@ simulate_ldr_literal(u32 opcode, long addr, struct pt_regs *regs)
 void __kprobes
 simulate_ldrsw_literal(u32 opcode, long addr, struct pt_regs *regs)
 {
-	s32 *load_addr;
+	unsigned long load_addr;
 	int xn = opcode & 0x1f;
-	int disp;
 
-	disp = ldr_displacement(opcode);
-	load_addr = (s32 *) (addr + disp);
+	load_addr = addr + ldr_displacement(opcode);
 
-	set_x_reg(regs, xn, *load_addr);
+	set_x_reg(regs, xn, READ_ONCE(*(s32 *)load_addr));
 
 	instruction_pointer_set(regs, instruction_pointer(regs) + 4);
 }

arch/powerpc/mm/numa.c

@@ -1177,6 +1177,9 @@ void __init mem_topology_setup(void)
 {
 	int cpu;
 
+	max_low_pfn = max_pfn = memblock_end_of_DRAM() >> PAGE_SHIFT;
+	min_low_pfn = MEMORY_START >> PAGE_SHIFT;
+
 	/*
 	 * Linux/mm assumes node 0 to be online at boot. However this is not
 	 * true on PowerPC, where node 0 is similar to any other node, it
@@ -1221,9 +1224,6 @@ void __init initmem_init(void)
 {
 	int nid;
 
-	max_low_pfn = memblock_end_of_DRAM() >> PAGE_SHIFT;
-	max_pfn = max_low_pfn;
-
 	memblock_dump_all();
 
 	for_each_online_node(nid) {

arch/s390/kvm/diag.c

@@ -77,7 +77,7 @@ static int __diag_page_ref_service(struct kvm_vcpu *vcpu)
 	vcpu->stat.diagnose_258++;
 	if (vcpu->run->s.regs.gprs[rx] & 7)
 		return kvm_s390_inject_program_int(vcpu, PGM_SPECIFICATION);
-	rc = read_guest(vcpu, vcpu->run->s.regs.gprs[rx], rx, &parm, sizeof(parm));
+	rc = read_guest_real(vcpu, vcpu->run->s.regs.gprs[rx], &parm, sizeof(parm));
 	if (rc)
 		return kvm_s390_inject_prog_cond(vcpu, rc);
 	if (parm.parm_version != 2 || parm.parm_len < 5 || parm.code != 0x258)

arch/x86/entry/entry.S

@@ -9,6 +9,8 @@
 #include <asm/unwind_hints.h>
 #include <asm/segment.h>
 #include <asm/cache.h>
+#include <asm/cpufeatures.h>
+#include <asm/nospec-branch.h>
 
 .pushsection .noinstr.text, "ax"
 
@@ -17,6 +19,9 @@ SYM_FUNC_START(entry_ibpb)
 	movl	$PRED_CMD_IBPB, %eax
 	xorl	%edx, %edx
 	wrmsr
+
+	/* Make sure IBPB clears return stack preductions too. */
+	FILL_RETURN_BUFFER %rax, RSB_CLEAR_LOOPS, X86_BUG_IBPB_NO_RET
 	RET
 SYM_FUNC_END(entry_ibpb)
 /* For KVM */

arch/x86/entry/entry_32.S

@@ -939,6 +939,8 @@ SYM_FUNC_START(entry_SYSENTER_32)
 
 	/* Now ready to switch the cr3 */
 	SWITCH_TO_USER_CR3 scratch_reg=%eax
+	/* Clobbers ZF */
+	CLEAR_CPU_BUFFERS
 
 	/*
 	 * Restore all flags except IF. (We restore IF separately because
@@ -949,7 +951,6 @@ SYM_FUNC_START(entry_SYSENTER_32)
 	BUG_IF_WRONG_CR3 no_user_check=1
 	popfl
 	popl	%eax
-	CLEAR_CPU_BUFFERS
 
 	/*
 	 * Return back to the vDSO, which will pop ecx and edx.
@@ -1221,7 +1222,6 @@ SYM_CODE_START(asm_exc_nmi)
 
 	/* Not on SYSENTER stack. */
 	call	exc_nmi
-	CLEAR_CPU_BUFFERS
 	jmp	.Lnmi_return
 
 .Lnmi_from_sysenter_stack:
@@ -1242,6 +1242,7 @@ SYM_CODE_START(asm_exc_nmi)
 
 	CHECK_AND_APPLY_ESPFIX
 	RESTORE_ALL_NMI cr3_reg=%edi pop=4
+	CLEAR_CPU_BUFFERS
 	jmp	.Lirq_return
 
 #ifdef CONFIG_X86_ESPFIX32
@@ -1283,6 +1284,7 @@ SYM_CODE_START(asm_exc_nmi)
 	 *  1 - orig_ax
 	 */
 	lss	(1+5+6)*4(%esp), %esp			# back to espfix stack
+	CLEAR_CPU_BUFFERS
 	jmp	.Lirq_return
 #endif
 SYM_CODE_END(asm_exc_nmi)

arch/x86/include/asm/cpufeatures.h

@@ -217,7 +217,7 @@
 #define X86_FEATURE_SPEC_STORE_BYPASS_DISABLE	( 7*32+23) /* "" Disable Speculative Store Bypass. */
 #define X86_FEATURE_LS_CFG_SSBD		( 7*32+24)  /* "" AMD SSBD implementation via LS_CFG MSR */
 #define X86_FEATURE_IBRS		( 7*32+25) /* Indirect Branch Restricted Speculation */
-#define X86_FEATURE_IBPB		( 7*32+26) /* Indirect Branch Prediction Barrier */
+#define X86_FEATURE_IBPB		( 7*32+26) /* "ibpb" Indirect Branch Prediction Barrier without a guaranteed RSB flush */
 #define X86_FEATURE_STIBP		( 7*32+27) /* Single Thread Indirect Branch Predictors */
 #define X86_FEATURE_ZEN			( 7*32+28) /* "" CPU is AMD family 0x17 or above (Zen) */
 #define X86_FEATURE_L1TF_PTEINV		( 7*32+29) /* "" L1TF workaround PTE inversion */
@@ -324,6 +324,7 @@
 #define X86_FEATURE_VIRT_SSBD		(13*32+25) /* Virtualized Speculative Store Bypass Disable */
 #define X86_FEATURE_AMD_SSB_NO		(13*32+26) /* "" Speculative Store Bypass is fixed in hardware. */
 #define X86_FEATURE_BTC_NO		(13*32+29) /* "" Not vulnerable to Branch Type Confusion */
+#define X86_FEATURE_AMD_IBPB_RET	(13*32+30) /* "" IBPB clears return address predictor */
 
 /* Thermal and Power Management Leaf, CPUID level 0x00000006 (EAX), word 14 */
 #define X86_FEATURE_DTHERM		(14*32+ 0) /* Digital Thermal Sensor */
@@ -455,4 +456,6 @@
 #define X86_BUG_SRSO			X86_BUG(1*32 + 0) /* AMD SRSO bug */
 #define X86_BUG_DIV0			X86_BUG(1*32 + 1) /* AMD DIV0 speculation bug */
 #define X86_BUG_RFDS			X86_BUG(1*32 + 2) /* CPU is vulnerable to Register File Data Sampling */
+#define X86_BUG_BHI			X86_BUG(1*32 + 3) /* CPU is affected by Branch History Injection */
+#define X86_BUG_IBPB_NO_RET		X86_BUG(1*32 + 4) /* "ibpb_no_ret" IBPB omits return target predictions */
 #endif /* _ASM_X86_CPUFEATURES_H */

arch/x86/kernel/apic/apic.c

@@ -491,7 +491,19 @@ static int lapic_timer_shutdown(struct clock_event_device *evt)
 	v = apic_read(APIC_LVTT);
 	v |= (APIC_LVT_MASKED | LOCAL_TIMER_VECTOR);
 	apic_write(APIC_LVTT, v);
-	apic_write(APIC_TMICT, 0);
+
+	/*
+	 * Setting APIC_LVT_MASKED (above) should be enough to tell
+	 * the hardware that this timer will never fire. But AMD
+	 * erratum 411 and some Intel CPU behavior circa 2024 say
+	 * otherwise.  Time for belt and suspenders programming: mask
+	 * the timer _and_ zero the counter registers:
+	 */
+	if (v & APIC_LVT_TIMER_TSCDEADLINE)
+		wrmsrl(MSR_IA32_TSC_DEADLINE, 0);
+	else
+		apic_write(APIC_TMICT, 0);
+
 	return 0;
 }
 

arch/x86/kernel/cpu/bugs.c

@@ -1061,7 +1061,24 @@ do_cmd_auto:
 
 	case RETBLEED_MITIGATION_IBPB:
 		setup_force_cpu_cap(X86_FEATURE_ENTRY_IBPB);
+
+		/*
+		 * IBPB on entry already obviates the need for
+		 * software-based untraining so clear those in case some
+		 * other mitigation like SRSO has selected them.
+		 */
+		setup_clear_cpu_cap(X86_FEATURE_UNRET);
+		setup_clear_cpu_cap(X86_FEATURE_RETHUNK);
+
 		mitigate_smt = true;
+
+		/*
+		 * There is no need for RSB filling: entry_ibpb() ensures
+		 * all predictions, including the RSB, are invalidated,
+		 * regardless of IBPB implementation.
+		 */
+		setup_clear_cpu_cap(X86_FEATURE_RSB_VMEXIT);
+
 		break;
 
 	default:
@@ -2453,6 +2470,14 @@ static void __init srso_select_mitigation(void)
 			if (has_microcode) {
 				setup_force_cpu_cap(X86_FEATURE_ENTRY_IBPB);
 				srso_mitigation = SRSO_MITIGATION_IBPB;
+
+				/*
+				 * IBPB on entry already obviates the need for
+				 * software-based untraining so clear those in case some
+				 * other mitigation like Retbleed has selected them.
+				 */
+				setup_clear_cpu_cap(X86_FEATURE_UNRET);
+				setup_clear_cpu_cap(X86_FEATURE_RETHUNK);
 			}
 		} else {
 			pr_err("WARNING: kernel not compiled with CPU_IBPB_ENTRY.\n");
@@ -2465,6 +2490,13 @@ static void __init srso_select_mitigation(void)
 			if (!boot_cpu_has(X86_FEATURE_ENTRY_IBPB) && has_microcode) {
 				setup_force_cpu_cap(X86_FEATURE_IBPB_ON_VMEXIT);
 				srso_mitigation = SRSO_MITIGATION_IBPB_ON_VMEXIT;
+
+				/*
+				 * There is no need for RSB filling: entry_ibpb() ensures
+				 * all predictions, including the RSB, are invalidated,
+				 * regardless of IBPB implementation.
+				 */
+				setup_clear_cpu_cap(X86_FEATURE_RSB_VMEXIT);
 			}
 		} else {
 			pr_err("WARNING: kernel not compiled with CPU_SRSO.\n");

arch/x86/kernel/cpu/common.c

@@ -1335,6 +1335,9 @@ static void __init cpu_set_bug_bits(struct cpuinfo_x86 *c)
 	if (vulnerable_to_rfds(ia32_cap))
 		setup_force_cpu_bug(X86_BUG_RFDS);
 
+	if (cpu_has(c, X86_FEATURE_AMD_IBPB) && !cpu_has(c, X86_FEATURE_AMD_IBPB_RET))
+		setup_force_cpu_bug(X86_BUG_IBPB_NO_RET);
+
 	if (cpu_matches(cpu_vuln_whitelist, NO_MELTDOWN))
 		return;
 

arch/x86/kernel/cpu/resctrl/core.c

@@ -251,7 +251,7 @@ static inline bool rdt_get_mb_table(struct rdt_resource *r)
 	return false;
 }
 
-static bool __get_mem_config_intel(struct rdt_resource *r)
+static __init bool __get_mem_config_intel(struct rdt_resource *r)
 {
 	union cpuid_0x10_3_eax eax;
 	union cpuid_0x10_x_edx edx;
@@ -285,7 +285,7 @@ static bool __get_mem_config_intel(struct rdt_resource *r)
 	return true;
 }
 
-static bool __rdt_get_mem_config_amd(struct rdt_resource *r)
+static __init bool __rdt_get_mem_config_amd(struct rdt_resource *r)
 {
 	union cpuid_0x10_3_eax eax;
 	union cpuid_0x10_x_edx edx;

block/blk-rq-qos.c

@@ -225,8 +225,8 @@ static int rq_qos_wake_function(struct wait_queue_entry *curr,
 
 	data->got_token = true;
 	smp_wmb();
-	list_del_init(&curr->entry);
 	wake_up_process(data->task);
+	list_del_init_careful(&curr->entry);
 	return 1;
 }
 

drivers/bluetooth/btusb.c

@@ -928,10 +928,15 @@ static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
 	if (!urb)
 		return -ENOMEM;
 
-	/* Use maximum HCI Event size so the USB stack handles
-	 * ZPL/short-transfer automatically.
-	 */
-	size = HCI_MAX_EVENT_SIZE;
+	if (le16_to_cpu(data->udev->descriptor.idVendor)  == 0x0a12 &&
+	    le16_to_cpu(data->udev->descriptor.idProduct) == 0x0001)
+		/* Fake CSR devices don't seem to support sort-transter */
+		size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
+	else
+		/* Use maximum HCI Event size so the USB stack handles
+		 * ZPL/short-transfer automatically.
+		 */
+		size = HCI_MAX_EVENT_SIZE;
 
 	buf = kmalloc(size, mem_flags);
 	if (!buf) {

drivers/gpu/drm/radeon/radeon_encoders.c

@@ -47,7 +47,7 @@ static uint32_t radeon_encoder_clones(struct drm_encoder *encoder)
 	struct radeon_device *rdev = dev->dev_private;
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 	struct drm_encoder *clone_encoder;
-	uint32_t index_mask = 0;
+	uint32_t index_mask = drm_encoder_mask(encoder);
 	int count;
 
 	/* DIG routing gets problematic */

drivers/gpu/drm/vmwgfx/vmwgfx_kms.c

@@ -1402,6 +1402,7 @@ static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
 		DRM_ERROR("Surface size cannot exceed %dx%d",
 			dev_priv->texture_max_width,
 			dev_priv->texture_max_height);
+		ret = -EINVAL;
 		goto err_out;
 	}
 

drivers/iio/adc/Kconfig

@@ -1126,6 +1126,8 @@ config TI_ADS8344
 config TI_ADS8688
 	tristate "Texas Instruments ADS8688"
 	depends on SPI && OF
+	select IIO_BUFFER
+	select IIO_TRIGGERED_BUFFER
 	help
 	  If you say yes here you get support for Texas Instruments ADS8684 and
 	  and ADS8688 ADC chips
@@ -1136,6 +1138,8 @@ config TI_ADS8688
 config TI_ADS124S08
 	tristate "Texas Instruments ADS124S08"
 	depends on SPI && OF
+	select IIO_BUFFER
+	select IIO_TRIGGERED_BUFFER
 	help
 	  If you say yes here you get support for Texas Instruments ADS124S08
 	  and ADS124S06 ADC chips

drivers/iio/common/hid-sensors/hid-sensor-trigger.c

@@ -35,7 +35,7 @@ static ssize_t _hid_sensor_set_report_latency(struct device *dev,
 	latency = integer * 1000 + fract / 1000;
 	ret = hid_sensor_set_report_latency(attrb, latency);
 	if (ret < 0)
-		return len;
+		return ret;
 
 	attrb->latency_ms = hid_sensor_get_report_latency(attrb);
 

drivers/iio/dac/Kconfig

@@ -191,6 +191,7 @@ config AD5764
 config AD5770R
 	tristate "Analog Devices AD5770R IDAC driver"
 	depends on SPI_MASTER
+	select REGMAP_SPI
 	help
 	  Say yes here to build support for Analog Devices AD5770R Digital to
 	  Analog Converter.
@@ -271,6 +272,7 @@ config LPC18XX_DAC
 config LTC1660
 	tristate "Linear Technology LTC1660/LTC1665 DAC SPI driver"
 	depends on SPI
+	select REGMAP_SPI
 	help
 	  Say yes here to build support for Linear Technology
 	  LTC1660 and LTC1665 Digital to Analog Converters.
@@ -357,6 +359,7 @@ config STM32_DAC
 
 config STM32_DAC_CORE
 	tristate
+	select REGMAP_MMIO
 
 config TI_DAC082S085
 	tristate "Texas Instruments 8/10/12-bit 2/4-channel DAC driver"

drivers/iio/light/opt3001.c

@@ -138,6 +138,10 @@ static const struct opt3001_scale opt3001_scales[] = {
 		.val = 20966,
 		.val2 = 400000,
 	},
+	{
+		.val = 41932,
+		.val2 = 800000,
+	},
 	{
 		.val = 83865,
 		.val2 = 600000,

drivers/iio/light/veml6030.c

@@ -99,9 +99,8 @@ static const char * const period_values[] = {
 static ssize_t in_illuminance_period_available_show(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
+	struct veml6030_data *data = iio_priv(dev_to_iio_dev(dev));
 	int ret, reg, x;
-	struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
-	struct veml6030_data *data = iio_priv(indio_dev);
 
 	ret = regmap_read(data->regmap, VEML6030_REG_ALS_CONF, &reg);
 	if (ret) {
@@ -780,7 +779,7 @@ static int veml6030_hw_init(struct iio_dev *indio_dev)
 
 	/* Cache currently active measurement parameters */
 	data->cur_gain = 3;
-	data->cur_resolution = 4608;
+	data->cur_resolution = 5376;
 	data->cur_integration_time = 3;
 
 	return ret;

drivers/iio/proximity/Kconfig

@@ -49,6 +49,8 @@ config LIDAR_LITE_V2
 config MB1232
 	tristate "MaxSonar I2CXL family ultrasonic sensors"
 	depends on I2C
+	select IIO_BUFFER
+	select IIO_TRIGGERED_BUFFER
 	help
 	  Say Y to build a driver for the ultrasonic sensors I2CXL of
 	  MaxBotix which have an i2c interface. It can be used to measure

drivers/irqchip/irq-gic-v3-its.c

@@ -779,6 +779,7 @@ static struct its_vpe *its_build_vmapp_cmd(struct its_node *its,
 					   struct its_cmd_block *cmd,
 					   struct its_cmd_desc *desc)
 {
+	struct its_vpe *vpe = valid_vpe(its, desc->its_vmapp_cmd.vpe);
 	unsigned long vpt_addr, vconf_addr;
 	u64 target;
 	bool alloc;
@@ -788,9 +789,14 @@ static struct its_vpe *its_build_vmapp_cmd(struct its_node *its,
 	its_encode_valid(cmd, desc->its_vmapp_cmd.valid);
 
 	if (!desc->its_vmapp_cmd.valid) {
+		alloc = !atomic_dec_return(&desc->its_vmapp_cmd.vpe->vmapp_count);
 		if (is_v4_1(its)) {
-			alloc = !atomic_dec_return(&desc->its_vmapp_cmd.vpe->vmapp_count);
 			its_encode_alloc(cmd, alloc);
+			/*
+			 * Unmapping a VPE is self-synchronizing on GICv4.1,
+			 * no need to issue a VSYNC.
+			 */
+			vpe = NULL;
 		}
 
 		goto out;
@@ -803,13 +809,13 @@ static struct its_vpe *its_build_vmapp_cmd(struct its_node *its,
 	its_encode_vpt_addr(cmd, vpt_addr);
 	its_encode_vpt_size(cmd, LPI_NRBITS - 1);
 
+	alloc = !atomic_fetch_inc(&desc->its_vmapp_cmd.vpe->vmapp_count);
+
 	if (!is_v4_1(its))
 		goto out;
 
 	vconf_addr = virt_to_phys(page_address(desc->its_vmapp_cmd.vpe->its_vm->vprop_page));
 
-	alloc = !atomic_fetch_inc(&desc->its_vmapp_cmd.vpe->vmapp_count);
-
 	its_encode_alloc(cmd, alloc);
 
 	/* We can only signal PTZ when alloc==1. Why do we have two bits? */
@@ -820,7 +826,7 @@ static struct its_vpe *its_build_vmapp_cmd(struct its_node *its,
 out:
 	its_fixup_cmd(cmd);
 
-	return valid_vpe(its, desc->its_vmapp_cmd.vpe);
+	return vpe;
 }
 
 static struct its_vpe *its_build_vmapti_cmd(struct its_node *its,
@@ -3796,6 +3802,13 @@ static int its_vpe_set_affinity(struct irq_data *d,
 	unsigned long flags;
 	int from, cpu;
 
+	/*
+	 * Check if we're racing against a VPE being destroyed, for
+	 * which we don't want to allow a VMOVP.
+	 */
+	if (!atomic_read(&vpe->vmapp_count))
+		return -EINVAL;
+
 	/*
 	 * Changing affinity is mega expensive, so let's be as lazy as
 	 * we can and only do it if we really have to. Also, if mapped
@@ -4432,9 +4445,8 @@ static int its_vpe_init(struct its_vpe *vpe)
 	raw_spin_lock_init(&vpe->vpe_lock);
 	vpe->vpe_id = vpe_id;
 	vpe->vpt_page = vpt_page;
-	if (gic_rdists->has_rvpeid)
-		atomic_set(&vpe->vmapp_count, 0);
-	else
+	atomic_set(&vpe->vmapp_count, 0);
+	if (!gic_rdists->has_rvpeid)
 		vpe->vpe_proxy_event = -1;
 
 	return 0;

drivers/net/ethernet/cadence/macb_main.c

@@ -742,9 +742,6 @@ static int macb_mdiobus_register(struct macb *bp)
 {
 	struct device_node *child, *np = bp->pdev->dev.of_node;
 
-	if (of_phy_is_fixed_link(np))
-		return mdiobus_register(bp->mii_bus);
-
 	/* Only create the PHY from the device tree if at least one PHY is
 	 * described. Otherwise scan the entire MDIO bus. We do this to support
 	 * old device tree that did not follow the best practices and did not
@@ -765,8 +762,19 @@ static int macb_mdiobus_register(struct macb *bp)
 
 static int macb_mii_init(struct macb *bp)
 {
+	struct device_node *child, *np = bp->pdev->dev.of_node;
 	int err = -ENXIO;
 
+	/* With fixed-link, we don't need to register the MDIO bus,
+	 * except if we have a child named "mdio" in the device tree.
+	 * In that case, some devices may be attached to the MACB's MDIO bus.
+	 */
+	child = of_get_child_by_name(np, "mdio");
+	if (child)
+		of_node_put(child);
+	else if (of_phy_is_fixed_link(np))
+		return macb_mii_probe(bp->dev);
+
 	/* Enable management port */
 	macb_writel(bp, NCR, MACB_BIT(MPE));
 

drivers/parport/procfs.c

@@ -51,12 +51,12 @@ static int do_active_device(struct ctl_table *table, int write,
 	
 	for (dev = port->devices; dev ; dev = dev->next) {
 		if(dev == port->cad) {
-			len += snprintf(buffer, sizeof(buffer), "%s\n", dev->name);
+			len += scnprintf(buffer, sizeof(buffer), "%s\n", dev->name);
 		}
 	}
 
 	if(!len) {
-		len += snprintf(buffer, sizeof(buffer), "%s\n", "none");
+		len += scnprintf(buffer, sizeof(buffer), "%s\n", "none");
 	}
 
 	if (len > *lenp)
@@ -87,19 +87,19 @@ static int do_autoprobe(struct ctl_table *table, int write,
 	}
 	
 	if ((str = info->class_name) != NULL)
-		len += snprintf (buffer + len, sizeof(buffer) - len, "CLASS:%s;\n", str);
+		len += scnprintf (buffer + len, sizeof(buffer) - len, "CLASS:%s;\n", str);
 
 	if ((str = info->model) != NULL)
-		len += snprintf (buffer + len, sizeof(buffer) - len, "MODEL:%s;\n", str);
+		len += scnprintf (buffer + len, sizeof(buffer) - len, "MODEL:%s;\n", str);
 
 	if ((str = info->mfr) != NULL)
-		len += snprintf (buffer + len, sizeof(buffer) - len, "MANUFACTURER:%s;\n", str);
+		len += scnprintf (buffer + len, sizeof(buffer) - len, "MANUFACTURER:%s;\n", str);
 
 	if ((str = info->description) != NULL)
-		len += snprintf (buffer + len, sizeof(buffer) - len, "DESCRIPTION:%s;\n", str);
+		len += scnprintf (buffer + len, sizeof(buffer) - len, "DESCRIPTION:%s;\n", str);
 
 	if ((str = info->cmdset) != NULL)
-		len += snprintf (buffer + len, sizeof(buffer) - len, "COMMAND SET:%s;\n", str);
+		len += scnprintf (buffer + len, sizeof(buffer) - len, "COMMAND SET:%s;\n", str);
 
 	if (len > *lenp)
 		len = *lenp;
@@ -128,7 +128,7 @@ static int do_hardware_base_addr(struct ctl_table *table, int write,
 	if (write) /* permissions prevent this anyway */
 		return -EACCES;
 
-	len += snprintf (buffer, sizeof(buffer), "%lu\t%lu\n", port->base, port->base_hi);
+	len += scnprintf (buffer, sizeof(buffer), "%lu\t%lu\n", port->base, port->base_hi);
 
 	if (len > *lenp)
 		len = *lenp;
@@ -155,7 +155,7 @@ static int do_hardware_irq(struct ctl_table *table, int write,
 	if (write) /* permissions prevent this anyway */
 		return -EACCES;
 
-	len += snprintf (buffer, sizeof(buffer), "%d\n", port->irq);
+	len += scnprintf (buffer, sizeof(buffer), "%d\n", port->irq);
 
 	if (len > *lenp)
 		len = *lenp;
@@ -182,7 +182,7 @@ static int do_hardware_dma(struct ctl_table *table, int write,
 	if (write) /* permissions prevent this anyway */
 		return -EACCES;
 
-	len += snprintf (buffer, sizeof(buffer), "%d\n", port->dma);
+	len += scnprintf (buffer, sizeof(buffer), "%d\n", port->dma);
 
 	if (len > *lenp)
 		len = *lenp;
@@ -213,7 +213,7 @@ static int do_hardware_modes(struct ctl_table *table, int write,
 #define printmode(x)							\
 do {									\
 	if (port->modes & PARPORT_MODE_##x)				\
-		len += snprintf(buffer + len, sizeof(buffer) - len, "%s%s", f++ ? "," : "", #x); \
+		len += scnprintf(buffer + len, sizeof(buffer) - len, "%s%s", f++ ? "," : "", #x); \
 } while (0)
 		int f = 0;
 		printmode(PCSPP);

drivers/s390/char/sclp_vt220.c

@@ -325,7 +325,7 @@ sclp_vt220_add_msg(struct sclp_vt220_request *request,
 	buffer = (void *) ((addr_t) sccb + sccb->header.length);
 
 	if (convertlf) {
-		/* Perform Linefeed conversion (0x0a -> 0x0a 0x0d)*/
+		/* Perform Linefeed conversion (0x0a -> 0x0d 0x0a)*/
 		for (from=0, to=0;
 		     (from < count) && (to < sclp_vt220_space_left(request));
 		     from++) {
@@ -334,8 +334,8 @@ sclp_vt220_add_msg(struct sclp_vt220_request *request,
 			/* Perform conversion */
 			if (c == 0x0a) {
 				if (to + 1 < sclp_vt220_space_left(request)) {
-					((unsigned char *) buffer)[to++] = c;
 					((unsigned char *) buffer)[to++] = 0x0d;
+					((unsigned char *) buffer)[to++] = c;
 				} else
 					break;
 

drivers/usb/host/xhci.h

@@ -1285,7 +1285,7 @@ enum xhci_setup_dev {
 /* Set TR Dequeue Pointer command TRB fields, 6.4.3.9 */
 #define TRB_TO_STREAM_ID(p)		((((p) & (0xffff << 16)) >> 16))
 #define STREAM_ID_FOR_TRB(p)		((((p)) & 0xffff) << 16)
-#define SCT_FOR_TRB(p)			(((p) << 1) & 0x7)
+#define SCT_FOR_TRB(p)			(((p) & 0x7) << 1)
 
 /* Link TRB specific fields */
 #define TRB_TC			(1<<1)

drivers/usb/serial/option.c

@@ -279,6 +279,7 @@ static void option_instat_callback(struct urb *urb);
 #define QUECTEL_PRODUCT_EG912Y			0x6001
 #define QUECTEL_PRODUCT_EC200S_CN		0x6002
 #define QUECTEL_PRODUCT_EC200A			0x6005
+#define QUECTEL_PRODUCT_EG916Q			0x6007
 #define QUECTEL_PRODUCT_EM061K_LWW		0x6008
 #define QUECTEL_PRODUCT_EM061K_LCN		0x6009
 #define QUECTEL_PRODUCT_EC200T			0x6026
@@ -1270,6 +1271,7 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC200S_CN, 0xff, 0, 0) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC200T, 0xff, 0, 0) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EG912Y, 0xff, 0, 0) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EG916Q, 0xff, 0x00, 0x00) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_RM500K, 0xff, 0x00, 0x00) },
 
 	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6001) },
@@ -1380,10 +1382,16 @@ static const struct usb_device_id option_ids[] = {
 	  .driver_info = NCTRL(0) | RSVD(1) },
 	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a0, 0xff),	/* Telit FN20C04 (rmnet) */
 	  .driver_info = RSVD(0) | NCTRL(3) },
+	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a2, 0xff),	/* Telit FN920C04 (MBIM) */
+	  .driver_info = NCTRL(4) },
 	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a4, 0xff),	/* Telit FN20C04 (rmnet) */
 	  .driver_info = RSVD(0) | NCTRL(3) },
+	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a7, 0xff),	/* Telit FN920C04 (MBIM) */
+	  .driver_info = NCTRL(4) },
 	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10a9, 0xff),	/* Telit FN20C04 (rmnet) */
 	  .driver_info = RSVD(0) | NCTRL(2) | RSVD(3) | RSVD(4) },
+	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, 0x10aa, 0xff),	/* Telit FN920C04 (MBIM) */
+	  .driver_info = NCTRL(3) | RSVD(4) | RSVD(5) },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910),
 	  .driver_info = NCTRL(0) | RSVD(1) | RSVD(3) },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_ME910_DUAL_MODEM),

fs/fat/namei_vfat.c

@@ -1019,7 +1019,7 @@ error_inode:
 	if (corrupt < 0) {
 		fat_fs_error(new_dir->i_sb,
 			     "%s: Filesystem corrupted (i_pos %lld)",
-			     __func__, sinfo.i_pos);
+			     __func__, new_i_pos);
 	}
 	goto out;
 }

fs/nilfs2/dir.c

@@ -331,6 +331,8 @@ static int nilfs_readdir(struct file *file, struct dir_context *ctx)
  * returns the page in which the entry was found, and the entry itself
  * (as a parameter - res_dir). Page is returned mapped and unlocked.
  * Entry is guaranteed to be valid.
+ *
+ * On failure, returns an error pointer and the caller should ignore res_page.
  */
 struct nilfs_dir_entry *
 nilfs_find_entry(struct inode *dir, const struct qstr *qstr,
@@ -358,22 +360,24 @@ nilfs_find_entry(struct inode *dir, const struct qstr *qstr,
 	do {
 		char *kaddr = nilfs_get_page(dir, n, &page);
 
-		if (!IS_ERR(kaddr)) {
-			de = (struct nilfs_dir_entry *)kaddr;
-			kaddr += nilfs_last_byte(dir, n) - reclen;
-			while ((char *) de <= kaddr) {
-				if (de->rec_len == 0) {
-					nilfs_error(dir->i_sb,
-						"zero-length directory entry");
-					nilfs_put_page(page);
-					goto out;
-				}
-				if (nilfs_match(namelen, name, de))
-					goto found;
-				de = nilfs_next_entry(de);
+		if (IS_ERR(kaddr))
+			return ERR_CAST(kaddr);
+
+		de = (struct nilfs_dir_entry *)kaddr;
+		kaddr += nilfs_last_byte(dir, n) - reclen;
+		while ((char *)de <= kaddr) {
+			if (de->rec_len == 0) {
+				nilfs_error(dir->i_sb,
+					    "zero-length directory entry");
+				nilfs_put_page(page);
+				goto out;
 			}
-			nilfs_put_page(page);
+			if (nilfs_match(namelen, name, de))
+				goto found;
+			de = nilfs_next_entry(de);
 		}
+		nilfs_put_page(page);
+
 		if (++n >= npages)
 			n = 0;
 		/* next page is past the blocks we've got */
@@ -386,7 +390,7 @@ nilfs_find_entry(struct inode *dir, const struct qstr *qstr,
 		}
 	} while (n != start);
 out:
-	return NULL;
+	return ERR_PTR(-ENOENT);
 
 found:
 	*res_page = page;
@@ -431,19 +435,19 @@ fail:
 	return NULL;
 }
 
-ino_t nilfs_inode_by_name(struct inode *dir, const struct qstr *qstr)
+int nilfs_inode_by_name(struct inode *dir, const struct qstr *qstr, ino_t *ino)
 {
-	ino_t res = 0;
 	struct nilfs_dir_entry *de;
 	struct page *page;
 
 	de = nilfs_find_entry(dir, qstr, &page);
-	if (de) {
-		res = le64_to_cpu(de->inode);
-		kunmap(page);
-		put_page(page);
-	}
-	return res;
+	if (IS_ERR(de))
+		return PTR_ERR(de);
+
+	*ino = le64_to_cpu(de->inode);
+	kunmap(page);
+	put_page(page);
+	return 0;
 }
 
 /* Releases the page */

fs/nilfs2/namei.c

@@ -55,12 +55,20 @@ nilfs_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags)
 {
 	struct inode *inode;
 	ino_t ino;
+	int res;
 
 	if (dentry->d_name.len > NILFS_NAME_LEN)
 		return ERR_PTR(-ENAMETOOLONG);
 
-	ino = nilfs_inode_by_name(dir, &dentry->d_name);
-	inode = ino ? nilfs_iget(dir->i_sb, NILFS_I(dir)->i_root, ino) : NULL;
+	res = nilfs_inode_by_name(dir, &dentry->d_name, &ino);
+	if (res) {
+		if (res != -ENOENT)
+			return ERR_PTR(res);
+		inode = NULL;
+	} else {
+		inode = nilfs_iget(dir->i_sb, NILFS_I(dir)->i_root, ino);
+	}
+
 	return d_splice_alias(inode, dentry);
 }
 
@@ -261,10 +269,11 @@ static int nilfs_do_unlink(struct inode *dir, struct dentry *dentry)
 	struct page *page;
 	int err;
 
-	err = -ENOENT;
 	de = nilfs_find_entry(dir, &dentry->d_name, &page);
-	if (!de)
+	if (IS_ERR(de)) {
+		err = PTR_ERR(de);
 		goto out;
+	}
 
 	inode = d_inode(dentry);
 	err = -EIO;
@@ -358,10 +367,11 @@ static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 	if (unlikely(err))
 		return err;
 
-	err = -ENOENT;
 	old_de = nilfs_find_entry(old_dir, &old_dentry->d_name, &old_page);
-	if (!old_de)
+	if (IS_ERR(old_de)) {
+		err = PTR_ERR(old_de);
 		goto out;
+	}
 
 	if (S_ISDIR(old_inode->i_mode)) {
 		err = -EIO;
@@ -378,10 +388,12 @@ static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry,
 		if (dir_de && !nilfs_empty_dir(new_inode))
 			goto out_dir;
 
-		err = -ENOENT;
-		new_de = nilfs_find_entry(new_dir, &new_dentry->d_name, &new_page);
-		if (!new_de)
+		new_de = nilfs_find_entry(new_dir, &new_dentry->d_name,
+					  &new_page);
+		if (IS_ERR(new_de)) {
+			err = PTR_ERR(new_de);
 			goto out_dir;
+		}
 		nilfs_set_link(new_dir, new_de, new_page, old_inode);
 		nilfs_mark_inode_dirty(new_dir);
 		new_inode->i_ctime = current_time(new_inode);
@@ -435,14 +447,15 @@ out:
  */
 static struct dentry *nilfs_get_parent(struct dentry *child)
 {
-	unsigned long ino;
+	ino_t ino;
+	int res;
 	struct inode *inode;
 	struct qstr dotdot = QSTR_INIT("..", 2);
 	struct nilfs_root *root;
 
-	ino = nilfs_inode_by_name(d_inode(child), &dotdot);
-	if (!ino)
-		return ERR_PTR(-ENOENT);
+	res = nilfs_inode_by_name(d_inode(child), &dotdot, &ino);
+	if (res)
+		return ERR_PTR(res);
 
 	root = NILFS_I(d_inode(child))->i_root;
 

fs/nilfs2/nilfs.h

@@ -233,7 +233,7 @@ static inline __u32 nilfs_mask_flags(umode_t mode, __u32 flags)
 
 /* dir.c */
 extern int nilfs_add_link(struct dentry *, struct inode *);
-extern ino_t nilfs_inode_by_name(struct inode *, const struct qstr *);
+int nilfs_inode_by_name(struct inode *dir, const struct qstr *qstr, ino_t *ino);
 extern int nilfs_make_empty(struct inode *, struct inode *);
 extern struct nilfs_dir_entry *
 nilfs_find_entry(struct inode *, const struct qstr *, struct page **);

include/linux/fsl/enetc_mdio.h

@@ -48,7 +48,8 @@ static inline int enetc_mdio_read(struct mii_bus *bus, int phy_id, int regnum)
 static inline int enetc_mdio_write(struct mii_bus *bus, int phy_id, int regnum,
 				   u16 value)
 { return -EINVAL; }
-struct enetc_hw *enetc_hw_alloc(struct device *dev, void __iomem *port_regs)
+static inline struct enetc_hw *enetc_hw_alloc(struct device *dev,
+					      void __iomem *port_regs)
 { return ERR_PTR(-EINVAL); }
 
 #endif

include/linux/irqchip/arm-gic-v4.h

@@ -58,10 +58,12 @@ struct its_vpe {
 				bool	enabled;
 				bool	group;
 			}			sgi_config[16];
-			atomic_t vmapp_count;
 		};
 	};
 
+	/* Track the VPE being mapped */
+	atomic_t vmapp_count;
+
 	/*
 	 * Ensures mutual exclusion between affinity setting of the
 	 * vPE and vLPI operations using vpe->col_idx.

io_uring/io_uring.c

@@ -56,6 +56,7 @@
 #include <linux/mm.h>
 #include <linux/mman.h>
 #include <linux/percpu.h>
+#include <linux/cpuset.h>
 #include <linux/slab.h>
 #include <linux/blkdev.h>
 #include <linux/bvec.h>
@@ -1589,7 +1590,14 @@ static inline bool io_sqring_full(struct io_ring_ctx *ctx)
 {
 	struct io_rings *r = ctx->rings;
 
-	return READ_ONCE(r->sq.tail) - ctx->cached_sq_head == ctx->sq_entries;
+	/*
+	 * SQPOLL must use the actual sqring head, as using the cached_sq_head
+	 * is race prone if the SQPOLL thread has grabbed entries but not yet
+	 * committed them to the ring. For !SQPOLL, this doesn't matter, but
+	 * since this helper is just used for SQPOLL sqring waits (or POLLOUT),
+	 * just read the actual sqring head unconditionally.
+	 */
+	return READ_ONCE(r->sq.tail) - READ_ONCE(r->sq.head) == ctx->sq_entries;
 }
 
 static inline unsigned int __io_cqring_events(struct io_ring_ctx *ctx)
@@ -8581,11 +8589,22 @@ static int io_sq_offload_create(struct io_ring_ctx *ctx,
 			return 0;
 
 		if (p->flags & IORING_SETUP_SQ_AFF) {
+			cpumask_var_t allowed_mask;
 			int cpu = p->sq_thread_cpu;
 
 			ret = -EINVAL;
 			if (cpu >= nr_cpu_ids || !cpu_online(cpu))
 				goto err_sqpoll;
+			ret = -ENOMEM;
+			if (!alloc_cpumask_var(&allowed_mask, GFP_KERNEL))
+				goto err_sqpoll;
+			ret = -EINVAL;
+			cpuset_cpus_allowed(current, allowed_mask);
+			if (!cpumask_test_cpu(cpu, allowed_mask)) {
+				free_cpumask_var(allowed_mask);
+				goto err_sqpoll;
+			}
+			free_cpumask_var(allowed_mask);
 			sqd->sq_cpu = cpu;
 		} else {
 			sqd->sq_cpu = -1;

kernel/time/posix-clock.c

@@ -299,6 +299,9 @@ static int pc_clock_settime(clockid_t id, const struct timespec64 *ts)
 		goto out;
 	}
 
+	if (!timespec64_valid_strict(ts))
+		return -EINVAL;
+
 	if (cd.clk->ops.clock_settime)
 		err = cd.clk->ops.clock_settime(cd.clk, ts);
 	else

mm/swapfile.c

@@ -2158,7 +2158,7 @@ static int unuse_mm(struct mm_struct *mm, unsigned int type,
 
 	mmap_read_lock(mm);
 	for (vma = mm->mmap; vma; vma = vma->vm_next) {
-		if (vma->anon_vma) {
+		if (vma->anon_vma && !is_vm_hugetlb_page(vma)) {
 			ret = unuse_vma(vma, type, frontswap,
 					fs_pages_to_unuse);
 			if (ret)

net/bluetooth/af_bluetooth.c

@@ -779,6 +779,7 @@ cleanup_sysfs:
 	bt_sysfs_cleanup();
 cleanup_led:
 	bt_leds_cleanup();
+	debugfs_remove_recursive(bt_debugfs);
 	return err;
 }
 

net/ipv4/tcp_output.c

@@ -2305,7 +2305,7 @@ static bool tcp_can_coalesce_send_queue_head(struct sock *sk, int len)
 		if (len <= skb->len)
 			break;
 
-		if (unlikely(TCP_SKB_CB(skb)->eor) || tcp_has_tx_tstamp(skb))
+		if (tcp_has_tx_tstamp(skb) || !tcp_skb_can_collapse(skb, next))
 			return false;
 
 		len -= skb->len;

net/mac80211/cfg.c

@@ -509,6 +509,9 @@ static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
 		sta->cipher_scheme = cs;
 
 	err = ieee80211_key_link(key, sdata, sta);
+	/* KRACK protection, shouldn't happen but just silently accept key */
+	if (err == -EALREADY)
+		err = 0;
 
  out_unlock:
 	mutex_unlock(&local->sta_mtx);

net/mac80211/key.c

@@ -843,7 +843,7 @@ int ieee80211_key_link(struct ieee80211_key *key,
 	 */
 	if (ieee80211_key_identical(sdata, old_key, key)) {
 		ieee80211_key_free_unused(key);
-		ret = 0;
+		ret = -EALREADY;
 		goto out;
 	}
 

net/mptcp/mib.c

@@ -23,6 +23,8 @@ static const struct snmp_mib mptcp_snmp_list[] = {
 	SNMP_MIB_ITEM("MPJoinAckRx", MPTCP_MIB_JOINACKRX),
 	SNMP_MIB_ITEM("MPJoinAckHMacFailure", MPTCP_MIB_JOINACKMAC),
 	SNMP_MIB_ITEM("DSSNotMatching", MPTCP_MIB_DSSNOMATCH),
+	SNMP_MIB_ITEM("DSSCorruptionFallback", MPTCP_MIB_DSSCORRUPTIONFALLBACK),
+	SNMP_MIB_ITEM("DSSCorruptionReset", MPTCP_MIB_DSSCORRUPTIONRESET),
 	SNMP_MIB_ITEM("InfiniteMapRx", MPTCP_MIB_INFINITEMAPRX),
 	SNMP_MIB_ITEM("OFOQueueTail", MPTCP_MIB_OFOQUEUETAIL),
 	SNMP_MIB_ITEM("OFOQueue", MPTCP_MIB_OFOQUEUE),

net/mptcp/mib.h

@@ -16,6 +16,8 @@ enum linux_mptcp_mib_field {
 	MPTCP_MIB_JOINACKRX,		/* Received an ACK + MP_JOIN */
 	MPTCP_MIB_JOINACKMAC,		/* HMAC was wrong on ACK + MP_JOIN */
 	MPTCP_MIB_DSSNOMATCH,		/* Received a new mapping that did not match the previous one */
+	MPTCP_MIB_DSSCORRUPTIONFALLBACK,/* DSS corruption detected, fallback */
+	MPTCP_MIB_DSSCORRUPTIONRESET,	/* DSS corruption detected, MPJ subflow reset */
 	MPTCP_MIB_INFINITEMAPRX,	/* Received an infinite mapping */
 	MPTCP_MIB_OFOQUEUETAIL,	/* Segments inserted into OoO queue tail */
 	MPTCP_MIB_OFOQUEUE,		/* Segments inserted into OoO queue */

net/mptcp/protocol.c

@@ -457,6 +457,18 @@ static void mptcp_check_data_fin(struct sock *sk)
 	}
 }
 
+static void mptcp_dss_corruption(struct mptcp_sock *msk, struct sock *ssk)
+{
+	if (READ_ONCE(msk->allow_infinite_fallback)) {
+		MPTCP_INC_STATS(sock_net(ssk),
+				MPTCP_MIB_DSSCORRUPTIONFALLBACK);
+		mptcp_do_fallback(ssk);
+	} else {
+		MPTCP_INC_STATS(sock_net(ssk), MPTCP_MIB_DSSCORRUPTIONRESET);
+		mptcp_subflow_reset(ssk);
+	}
+}
+
 static bool __mptcp_move_skbs_from_subflow(struct mptcp_sock *msk,
 					   struct sock *ssk,
 					   unsigned int *bytes)
@@ -519,10 +531,12 @@ static bool __mptcp_move_skbs_from_subflow(struct mptcp_sock *msk,
 				moved += len;
 			seq += len;
 
-			if (WARN_ON_ONCE(map_remaining < len))
-				break;
+			if (unlikely(map_remaining < len))
+				mptcp_dss_corruption(msk, ssk);
 		} else {
-			WARN_ON_ONCE(!fin);
+			if (unlikely(!fin))
+				mptcp_dss_corruption(msk, ssk);
+
 			sk_eat_skb(ssk, skb);
 			done = true;
 		}
@@ -1810,9 +1824,11 @@ static void mptcp_worker(struct work_struct *work)
 		if (!mptcp_ext_cache_refill(msk))
 			break;
 	}
-	if (copied)
+	if (copied) {
 		tcp_push(ssk, msg.msg_flags, mss_now, tcp_sk(ssk)->nonagle,
 			 size_goal);
+		WRITE_ONCE(msk->allow_infinite_fallback, false);
+	}
 
 	dfrag->data_seq = orig_write_seq;
 	dfrag->offset = orig_offset;
@@ -1845,6 +1861,7 @@ static int __mptcp_init_sock(struct sock *sk)
 
 	msk->first = NULL;
 	inet_csk(sk)->icsk_sync_mss = mptcp_sync_mss;
+	WRITE_ONCE(msk->allow_infinite_fallback, true);
 
 	mptcp_pm_data_init(msk);
 
@@ -2543,6 +2560,7 @@ bool mptcp_finish_join(struct sock *sk)
 	if (parent_sock && !sk->sk_socket)
 		mptcp_sock_graft(sk, parent_sock);
 	subflow->map_seq = READ_ONCE(msk->ack_seq);
+	WRITE_ONCE(msk->allow_infinite_fallback, false);
 	return true;
 }
 

net/mptcp/protocol.h

@@ -213,6 +213,7 @@ struct mptcp_sock {
 	bool		rcv_data_fin;
 	bool		snd_data_fin_enable;
 	bool		use_64bit_ack; /* Set when we received a 64-bit DSN */
+	bool		allow_infinite_fallback;
 	spinlock_t	join_list_lock;
 	struct work_struct work;
 	struct sk_buff  *ooo_last_skb;

net/mptcp/subflow.c

@@ -702,7 +702,7 @@ static bool skb_is_fully_mapped(struct sock *ssk, struct sk_buff *skb)
 	unsigned int skb_consumed;
 
 	skb_consumed = tcp_sk(ssk)->copied_seq - TCP_SKB_CB(skb)->seq;
-	if (WARN_ON_ONCE(skb_consumed >= skb->len))
+	if (unlikely(skb_consumed >= skb->len))
 		return true;
 
 	return skb->len - skb_consumed <= subflow->map_data_len -
@@ -1179,6 +1179,7 @@ int __mptcp_subflow_connect(struct sock *sk, const struct mptcp_addr_info *loc,
 	list_add_tail(&subflow->node, &msk->join_list);
 	spin_unlock_bh(&msk->join_list_lock);
 
+	WRITE_ONCE(msk->allow_infinite_fallback, false);
 	return err;
 
 failed:

sound/pci/hda/patch_conexant.c

@@ -234,6 +234,7 @@ enum {
 	CXT_FIXUP_HP_SPECTRE,
 	CXT_FIXUP_HP_GATE_MIC,
 	CXT_FIXUP_MUTE_LED_GPIO,
+	CXT_FIXUP_HP_ELITEONE_OUT_DIS,
 	CXT_FIXUP_HP_ZBOOK_MUTE_LED,
 	CXT_FIXUP_HEADSET_MIC,
 	CXT_FIXUP_HP_MIC_NO_PRESENCE,
@@ -251,6 +252,19 @@ static void cxt_fixup_stereo_dmic(struct hda_codec *codec,
 	spec->gen.inv_dmic_split = 1;
 }
 
+/* fix widget control pin settings */
+static void cxt_fixup_update_pinctl(struct hda_codec *codec,
+				   const struct hda_fixup *fix, int action)
+{
+	if (action == HDA_FIXUP_ACT_PROBE) {
+		/* Unset OUT_EN for this Node pin, leaving only HP_EN.
+		 * This is the value stored in the codec register after
+		 * the correct initialization of the previous windows boot.
+		 */
+		snd_hda_set_pin_ctl_cache(codec, 0x1d, AC_PINCTL_HP_EN);
+	}
+}
+
 static void cxt5066_increase_mic_boost(struct hda_codec *codec,
 				   const struct hda_fixup *fix, int action)
 {
@@ -902,6 +916,10 @@ static const struct hda_fixup cxt_fixups[] = {
 		.type = HDA_FIXUP_FUNC,
 		.v.func = cxt_fixup_mute_led_gpio,
 	},
+	[CXT_FIXUP_HP_ELITEONE_OUT_DIS] = {
+		.type = HDA_FIXUP_FUNC,
+		.v.func = cxt_fixup_update_pinctl,
+	},
 	[CXT_FIXUP_HP_ZBOOK_MUTE_LED] = {
 		.type = HDA_FIXUP_FUNC,
 		.v.func = cxt_fixup_hp_zbook_mute_led,
@@ -992,6 +1010,7 @@ static const struct snd_pci_quirk cxt5066_fixups[] = {
 	SND_PCI_QUIRK(0x103c, 0x83b2, "HP EliteBook 840 G5", CXT_FIXUP_HP_DOCK),
 	SND_PCI_QUIRK(0x103c, 0x83b3, "HP EliteBook 830 G5", CXT_FIXUP_HP_DOCK),
 	SND_PCI_QUIRK(0x103c, 0x83d3, "HP ProBook 640 G4", CXT_FIXUP_HP_DOCK),
+	SND_PCI_QUIRK(0x103c, 0x83e5, "HP EliteOne 1000 G2", CXT_FIXUP_HP_ELITEONE_OUT_DIS),
 	SND_PCI_QUIRK(0x103c, 0x8402, "HP ProBook 645 G4", CXT_FIXUP_MUTE_LED_GPIO),
 	SND_PCI_QUIRK(0x103c, 0x8427, "HP ZBook Studio G5", CXT_FIXUP_HP_ZBOOK_MUTE_LED),
 	SND_PCI_QUIRK(0x103c, 0x844f, "HP ZBook Studio G5", CXT_FIXUP_HP_ZBOOK_MUTE_LED),

virt/kvm/kvm_main.c

@@ -3090,12 +3090,13 @@ void kvm_vcpu_on_spin(struct kvm_vcpu *me, bool yield_to_kernel_mode)
 {
 	struct kvm *kvm = me->kvm;
 	struct kvm_vcpu *vcpu;
-	int last_boosted_vcpu = me->kvm->last_boosted_vcpu;
+	int last_boosted_vcpu;
 	int yielded = 0;
 	int try = 3;
 	int pass;
 	int i;
 
+	last_boosted_vcpu = READ_ONCE(kvm->last_boosted_vcpu);
 	kvm_vcpu_set_in_spin_loop(me, true);
 	/*
 	 * We boost the priority of a VCPU that is runnable but not
@@ -3126,7 +3127,7 @@ void kvm_vcpu_on_spin(struct kvm_vcpu *me, bool yield_to_kernel_mode)
 
 			yielded = kvm_vcpu_yield_to(vcpu);
 			if (yielded > 0) {
-				kvm->last_boosted_vcpu = i;
+				WRITE_ONCE(kvm->last_boosted_vcpu, i);
 				break;
 			} else if (yielded < 0) {
 				try--;