Merge 8e56a792eb ("ALSA: hda/realtek: enable headset mic on Latitude 5420 Rugged") into android12-5.10-lts

Steps on the way to 5.10.239

Change-Id: I071914d0e7c0053bb614206b186b16873ab997ec
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

Documentation/admin-guide/kernel-parameters.txt

@@ -5224,8 +5224,6 @@
 
 			Selecting 'on' will also enable the mitigation
 			against user space to user space task attacks.
-			Selecting specific mitigation does not force enable
-			user mitigations.
 
 			Selecting 'off' will disable both the kernel and
 			the user space protections.

MAINTAINERS

@@ -11658,6 +11658,15 @@ F:	drivers/scsi/smartpqi/smartpqi*.[ch]
 F:	include/linux/cciss*.h
 F:	include/uapi/linux/cciss*.h
 
+MICROSOFT SURFACE HARDWARE PLATFORM SUPPORT
+M:	Hans de Goede <hdegoede@redhat.com>
+M:	Mark Gross <mgross@linux.intel.com>
+M:	Maximilian Luz <luzmaximilian@gmail.com>
+L:	platform-driver-x86@vger.kernel.org
+S:	Maintained
+T:	git git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git
+F:	drivers/platform/surface/
+
 MICROSOFT SURFACE PRO 3 BUTTON DRIVER
 M:	Chen Yu <yu.c.chen@intel.com>
 L:	platform-driver-x86@vger.kernel.org

arch/arm/mach-omap2/clockdomain.h

@@ -48,6 +48,7 @@
 #define CLKDM_NO_AUTODEPS			(1 << 4)
 #define CLKDM_ACTIVE_WITH_MPU			(1 << 5)
 #define CLKDM_MISSING_IDLE_REPORTING		(1 << 6)
+#define CLKDM_STANDBY_FORCE_WAKEUP		BIT(7)
 
 #define CLKDM_CAN_HWSUP		(CLKDM_CAN_ENABLE_AUTO | CLKDM_CAN_DISABLE_AUTO)
 #define CLKDM_CAN_SWSUP		(CLKDM_CAN_FORCE_SLEEP | CLKDM_CAN_FORCE_WAKEUP)

arch/arm/mach-omap2/clockdomains33xx_data.c

@@ -27,7 +27,7 @@ static struct clockdomain l4ls_am33xx_clkdm = {
 	.pwrdm		= { .name = "per_pwrdm" },
 	.cm_inst	= AM33XX_CM_PER_MOD,
 	.clkdm_offs	= AM33XX_CM_PER_L4LS_CLKSTCTRL_OFFSET,
-	.flags		= CLKDM_CAN_SWSUP,
+	.flags		= CLKDM_CAN_SWSUP | CLKDM_STANDBY_FORCE_WAKEUP,
 };
 
 static struct clockdomain l3s_am33xx_clkdm = {

arch/arm/mach-omap2/cm33xx.c

@@ -28,6 +28,9 @@
 #include "cm-regbits-34xx.h"
 #include "cm-regbits-33xx.h"
 #include "prm33xx.h"
+#if IS_ENABLED(CONFIG_SUSPEND)
+#include <linux/suspend.h>
+#endif
 
 /*
  * CLKCTRL_IDLEST_*: possible values for the CM_*_CLKCTRL.IDLEST bitfield:
@@ -336,8 +339,17 @@ static int am33xx_clkdm_clk_disable(struct clockdomain *clkdm)
 {
 	bool hwsup = false;
 
+#if IS_ENABLED(CONFIG_SUSPEND)
+	/*
+	 * In case of standby, Don't put the l4ls clk domain to sleep.
+	 * Since CM3 PM FW doesn't wake-up/enable the l4ls clk domain
+	 * upon wake-up, CM3 PM FW fails to wake-up th MPU.
+	 */
+	if (pm_suspend_target_state == PM_SUSPEND_STANDBY &&
+	    (clkdm->flags & CLKDM_STANDBY_FORCE_WAKEUP))
+		return 0;
+#endif
 	hwsup = am33xx_cm_is_clkdm_in_hwsup(clkdm->cm_inst, clkdm->clkdm_offs);
-
 	if (!hwsup && (clkdm->flags & CLKDM_CAN_FORCE_SLEEP))
 		am33xx_clkdm_sleep(clkdm);
 

arch/nios2/include/asm/pgtable.h

@@ -277,4 +277,20 @@ extern void __init mmu_init(void);
 extern void update_mmu_cache(struct vm_area_struct *vma,
 			     unsigned long address, pte_t *pte);
 
+static inline int pte_same(pte_t pte_a, pte_t pte_b);
+
+#define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
+static inline int ptep_set_access_flags(struct vm_area_struct *vma,
+					unsigned long address, pte_t *ptep,
+					pte_t entry, int dirty)
+{
+	if (!pte_same(*ptep, entry))
+		set_ptes(vma->vm_mm, address, ptep, entry, 1);
+	/*
+	 * update_mmu_cache will unconditionally execute, handling both
+	 * the case that the PTE changed and the spurious fault case.
+	 */
+	return true;
+}
+
 #endif /* _ASM_NIOS2_PGTABLE_H */

arch/powerpc/kernel/eeh.c

@@ -1525,6 +1525,8 @@ int eeh_pe_configure(struct eeh_pe *pe)
 	/* Invalid PE ? */
 	if (!pe)
 		return -ENODEV;
+	else
+		ret = eeh_ops->configure_bridge(pe);
 
 	return ret;
 }

arch/x86/kernel/cpu/bugs.c

@@ -1231,13 +1231,9 @@ static __ro_after_init enum spectre_v2_mitigation_cmd spectre_v2_cmd;
 static enum spectre_v2_user_cmd __init
 spectre_v2_parse_user_cmdline(void)
 {
-	enum spectre_v2_user_cmd mode;
 	char arg[20];
 	int ret, i;
 
-	mode = IS_ENABLED(CONFIG_MITIGATION_SPECTRE_V2) ?
-		SPECTRE_V2_USER_CMD_AUTO : SPECTRE_V2_USER_CMD_NONE;
-
 	switch (spectre_v2_cmd) {
 	case SPECTRE_V2_CMD_NONE:
 		return SPECTRE_V2_USER_CMD_NONE;
@@ -1250,7 +1246,7 @@ spectre_v2_parse_user_cmdline(void)
 	ret = cmdline_find_option(boot_command_line, "spectre_v2_user",
 				  arg, sizeof(arg));
 	if (ret < 0)
-		return mode;
+		return SPECTRE_V2_USER_CMD_AUTO;
 
 	for (i = 0; i < ARRAY_SIZE(v2_user_options); i++) {
 		if (match_option(arg, ret, v2_user_options[i].option)) {
@@ -1260,8 +1256,8 @@ spectre_v2_parse_user_cmdline(void)
 		}
 	}
 
-	pr_err("Unknown user space protection option (%s). Switching to default\n", arg);
-	return mode;
+	pr_err("Unknown user space protection option (%s). Switching to AUTO select\n", arg);
+	return SPECTRE_V2_USER_CMD_AUTO;
 }
 
 static inline bool spectre_v2_in_eibrs_mode(enum spectre_v2_mitigation mode)

drivers/base/swnode.c

@@ -521,7 +521,7 @@ software_node_get_reference_args(const struct fwnode_handle *fwnode,
 	if (prop->is_inline)
 		return -EINVAL;
 
-	if (index * sizeof(*ref) >= prop->length)
+	if ((index + 1) * sizeof(*ref) > prop->length)
 		return -ENOENT;
 
 	ref_array = prop->pointer;

drivers/bus/fsl-mc/mc-sys.c

@@ -19,7 +19,7 @@
 /**
  * Timeout in milliseconds to wait for the completion of an MC command
  */
-#define MC_CMD_COMPLETION_TIMEOUT_MS	500
+#define MC_CMD_COMPLETION_TIMEOUT_MS	15000
 
 /*
  * usleep_range() min and max values used to throttle down polling

drivers/bus/ti-sysc.c

@@ -687,51 +687,6 @@ static int sysc_parse_and_check_child_range(struct sysc *ddata)
 	return 0;
 }
 
-/* Interconnect instances to probe before l4_per instances */
-static struct resource early_bus_ranges[] = {
-	/* am3/4 l4_wkup */
-	{ .start = 0x44c00000, .end = 0x44c00000 + 0x300000, },
-	/* omap4/5 and dra7 l4_cfg */
-	{ .start = 0x4a000000, .end = 0x4a000000 + 0x300000, },
-	/* omap4 l4_wkup */
-	{ .start = 0x4a300000, .end = 0x4a300000 + 0x30000,  },
-	/* omap5 and dra7 l4_wkup without dra7 dcan segment */
-	{ .start = 0x4ae00000, .end = 0x4ae00000 + 0x30000,  },
-};
-
-static atomic_t sysc_defer = ATOMIC_INIT(10);
-
-/**
- * sysc_defer_non_critical - defer non_critical interconnect probing
- * @ddata: device driver data
- *
- * We want to probe l4_cfg and l4_wkup interconnect instances before any
- * l4_per instances as l4_per instances depend on resources on l4_cfg and
- * l4_wkup interconnects.
- */
-static int sysc_defer_non_critical(struct sysc *ddata)
-{
-	struct resource *res;
-	int i;
-
-	if (!atomic_read(&sysc_defer))
-		return 0;
-
-	for (i = 0; i < ARRAY_SIZE(early_bus_ranges); i++) {
-		res = &early_bus_ranges[i];
-		if (ddata->module_pa >= res->start &&
-		    ddata->module_pa <= res->end) {
-			atomic_set(&sysc_defer, 0);
-
-			return 0;
-		}
-	}
-
-	atomic_dec_if_positive(&sysc_defer);
-
-	return -EPROBE_DEFER;
-}
-
 static struct device_node *stdout_path;
 
 static void sysc_init_stdout_path(struct sysc *ddata)
@@ -956,10 +911,6 @@ static int sysc_map_and_check_registers(struct sysc *ddata)
 	if (error)
 		return error;
 
-	error = sysc_defer_non_critical(ddata);
-	if (error)
-		return error;
-
 	sysc_check_children(ddata);
 
 	error = sysc_parse_registers(ddata);

drivers/clk/rockchip/clk-rk3036.c

@@ -429,6 +429,7 @@ static const char *const rk3036_critical_clocks[] __initconst = {
 	"hclk_peri",
 	"pclk_peri",
 	"pclk_ddrupctl",
+	"ddrphy",
 };
 
 static void __init rk3036_clk_init(struct device_node *np)

drivers/cpufreq/cpufreq.c

@@ -2658,8 +2658,10 @@ int cpufreq_boost_trigger_state(int state)
 	unsigned long flags;
 	int ret = 0;
 
-	if (cpufreq_driver->boost_enabled == state)
-		return 0;
+	/*
+	 * Don't compare 'cpufreq_driver->boost_enabled' with 'state' here to
+	 * make sure all policies are in sync with global boost flag.
+	 */
 
 	write_lock_irqsave(&cpufreq_driver_lock, flags);
 	cpufreq_driver->boost_enabled = state;

drivers/dma-buf/udmabuf.c

@@ -127,8 +127,7 @@ static int begin_cpu_udmabuf(struct dma_buf *buf,
 			ubuf->sg = NULL;
 		}
 	} else {
-		dma_sync_sg_for_cpu(dev, ubuf->sg->sgl, ubuf->sg->nents,
-				    direction);
+		dma_sync_sgtable_for_cpu(dev, ubuf->sg, direction);
 	}
 
 	return ret;
@@ -143,7 +142,7 @@ static int end_cpu_udmabuf(struct dma_buf *buf,
 	if (!ubuf->sg)
 		return -EINVAL;
 
-	dma_sync_sg_for_device(dev, ubuf->sg->sgl, ubuf->sg->nents, direction);
+	dma_sync_sgtable_for_device(dev, ubuf->sg, direction);
 	return 0;
 }
 

drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c

@@ -1268,8 +1268,6 @@ static void gfx_v8_0_get_csb_buffer(struct amdgpu_device *adev,
 						PACKET3_SET_CONTEXT_REG_START);
 				for (i = 0; i < ext->reg_count; i++)
 					buffer[count++] = cpu_to_le32(ext->extent[i]);
-			} else {
-				return;
 			}
 		}
 	}

drivers/gpu/drm/amd/amdgpu/gfx_v9_0.c

@@ -1741,8 +1741,6 @@ static void gfx_v9_0_get_csb_buffer(struct amdgpu_device *adev,
 						PACKET3_SET_CONTEXT_REG_START);
 				for (i = 0; i < ext->reg_count; i++)
 					buffer[count++] = cpu_to_le32(ext->extent[i]);
-			} else {
-				return;
 			}
 		}
 	}

drivers/gpu/drm/amd/amdkfd/kfd_mqd_manager_v9.c

@@ -396,6 +396,10 @@ static void update_mqd_sdma(struct mqd_manager *mm, void *mqd,
 	m->sdma_engine_id = q->sdma_engine_id;
 	m->sdma_queue_id = q->sdma_queue_id;
 	m->sdmax_rlcx_dummy_reg = SDMA_RLC_DUMMY_DEFAULT;
+	/* Allow context switch so we don't cross-process starve with a massive
+	 * command buffer of long-running SDMA commands
+	 */
+	m->sdmax_rlcx_ib_cntl |= SDMA0_GFX_IB_CNTL__SWITCH_INSIDE_IB_MASK;
 
 	q->is_active = QUEUE_IS_ACTIVE(*q);
 }

drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_vid.c

@@ -353,7 +353,8 @@ static void dpu_encoder_phys_vid_underrun_irq(void *arg, int irq_idx)
 static bool dpu_encoder_phys_vid_needs_single_flush(
 		struct dpu_encoder_phys *phys_enc)
 {
-	return phys_enc->split_role != ENC_ROLE_SOLO;
+	return !(phys_enc->hw_ctl->caps->features & BIT(DPU_CTL_ACTIVE_CFG)) &&
+		phys_enc->split_role != ENC_ROLE_SOLO;
 }
 
 static void _dpu_encoder_phys_vid_setup_irq_hw_idx(

drivers/hid/hid-hyperv.c

@@ -199,7 +199,8 @@ static void mousevsc_on_receive_device_info(struct mousevsc_dev *input_device,
 	if (!input_device->hid_desc)
 		goto cleanup;
 
-	input_device->report_desc_size = desc->desc[0].wDescriptorLength;
+	input_device->report_desc_size = le16_to_cpu(
+					desc->rpt_desc.wDescriptorLength);
 	if (input_device->report_desc_size == 0) {
 		input_device->dev_info_status = -EINVAL;
 		goto cleanup;
@@ -217,7 +218,7 @@ static void mousevsc_on_receive_device_info(struct mousevsc_dev *input_device,
 
 	memcpy(input_device->report_desc,
 	       ((unsigned char *)desc) + desc->bLength,
-	       desc->desc[0].wDescriptorLength);
+	       le16_to_cpu(desc->rpt_desc.wDescriptorLength));
 
 	/* Send the ack */
 	memset(&ack, 0, sizeof(struct mousevsc_prt_msg));

drivers/hid/usbhid/hid-core.c

@@ -984,12 +984,11 @@ static int usbhid_parse(struct hid_device *hid)
 	struct usb_host_interface *interface = intf->cur_altsetting;
 	struct usb_device *dev = interface_to_usbdev (intf);
 	struct hid_descriptor *hdesc;
+	struct hid_class_descriptor *hcdesc;
 	u32 quirks = 0;
 	unsigned int rsize = 0;
 	char *rdesc;
-	int ret, n;
-	int num_descriptors;
-	size_t offset = offsetof(struct hid_descriptor, desc);
+	int ret;
 
 	quirks = hid_lookup_quirk(hid);
 
@@ -1011,20 +1010,19 @@ static int usbhid_parse(struct hid_device *hid)
 		return -ENODEV;
 	}
 
-	if (hdesc->bLength < sizeof(struct hid_descriptor)) {
-		dbg_hid("hid descriptor is too short\n");
+	if (!hdesc->bNumDescriptors ||
+	    hdesc->bLength != sizeof(*hdesc) +
+			      (hdesc->bNumDescriptors - 1) * sizeof(*hcdesc)) {
+		dbg_hid("hid descriptor invalid, bLen=%hhu bNum=%hhu\n",
+			hdesc->bLength, hdesc->bNumDescriptors);
 		return -EINVAL;
 	}
 
 	hid->version = le16_to_cpu(hdesc->bcdHID);
 	hid->country = hdesc->bCountryCode;
 
-	num_descriptors = min_t(int, hdesc->bNumDescriptors,
-	       (hdesc->bLength - offset) / sizeof(struct hid_class_descriptor));
-
-	for (n = 0; n < num_descriptors; n++)
-		if (hdesc->desc[n].bDescriptorType == HID_DT_REPORT)
-			rsize = le16_to_cpu(hdesc->desc[n].wDescriptorLength);
+	if (hdesc->rpt_desc.bDescriptorType == HID_DT_REPORT)
+		rsize = le16_to_cpu(hdesc->rpt_desc.wDescriptorLength);
 
 	if (!rsize || rsize > HID_MAX_DESCRIPTOR_SIZE) {
 		dbg_hid("weird size of report descriptor (%u)\n", rsize);
@@ -1052,6 +1050,11 @@ static int usbhid_parse(struct hid_device *hid)
 		goto err;
 	}
 
+	if (hdesc->bNumDescriptors > 1)
+		hid_warn(intf,
+			"%u unsupported optional hid class descriptors\n",
+			(int)(hdesc->bNumDescriptors - 1));
+
 	hid->quirks |= quirks;
 
 	return 0;

drivers/i2c/busses/i2c-designware-slave.c

@@ -97,7 +97,7 @@ static int i2c_dw_unreg_slave(struct i2c_client *slave)
 	dev->disable(dev);
 	synchronize_irq(dev->irq);
 	dev->slave = NULL;
-	pm_runtime_put(dev->dev);
+	pm_runtime_put_sync_suspend(dev->dev);
 
 	return 0;
 }

drivers/i2c/busses/i2c-npcm7xx.c

@@ -1950,10 +1950,14 @@ static int npcm_i2c_init_module(struct npcm_i2c *bus, enum i2c_mode mode,
 
 	/* check HW is OK: SDA and SCL should be high at this point. */
 	if ((npcm_i2c_get_SDA(&bus->adap) == 0) || (npcm_i2c_get_SCL(&bus->adap) == 0)) {
-		dev_err(bus->dev, "I2C%d init fail: lines are low\n", bus->num);
-		dev_err(bus->dev, "SDA=%d SCL=%d\n", npcm_i2c_get_SDA(&bus->adap),
-			npcm_i2c_get_SCL(&bus->adap));
-		return -ENXIO;
+		dev_warn(bus->dev, " I2C%d SDA=%d SCL=%d, attempting to recover\n", bus->num,
+				 npcm_i2c_get_SDA(&bus->adap), npcm_i2c_get_SCL(&bus->adap));
+		if (npcm_i2c_recovery_tgclk(&bus->adap)) {
+			dev_err(bus->dev, "I2C%d init fail: SDA=%d SCL=%d\n",
+				bus->num, npcm_i2c_get_SDA(&bus->adap),
+				npcm_i2c_get_SCL(&bus->adap));
+			return -ENXIO;
+		}
 	}
 
 	npcm_i2c_int_enable(bus, true);

drivers/input/misc/sparcspkr.c

@@ -74,9 +74,14 @@ static int bbc_spkr_event(struct input_dev *dev, unsigned int type, unsigned int
 		return -1;
 
 	switch (code) {
-		case SND_BELL: if (value) value = 1000;
-		case SND_TONE: break;
-		default: return -1;
+	case SND_BELL:
+		if (value)
+			value = 1000;
+		break;
+	case SND_TONE:
+		break;
+	default:
+		return -1;
 	}
 
 	if (value > 20 && value < 32767)
@@ -112,9 +117,14 @@ static int grover_spkr_event(struct input_dev *dev, unsigned int type, unsigned
 		return -1;
 
 	switch (code) {
-		case SND_BELL: if (value) value = 1000;
-		case SND_TONE: break;
-		default: return -1;
+	case SND_BELL:
+		if (value)
+			value = 1000;
+		break;
+	case SND_TONE:
+		break;
+	default:
+		return -1;
 	}
 
 	if (value > 20 && value < 32767)

drivers/iommu/amd/iommu.c

@@ -750,6 +750,14 @@ int amd_iommu_register_ga_log_notifier(int (*notifier)(u32))
 {
 	iommu_ga_log_notifier = notifier;
 
+	/*
+	 * Ensure all in-flight IRQ handlers run to completion before returning
+	 * to the caller, e.g. to ensure module code isn't unloaded while it's
+	 * being executed in the IRQ handler.
+	 */
+	if (!notifier)
+		synchronize_rcu();
+
 	return 0;
 }
 EXPORT_SYMBOL(amd_iommu_register_ga_log_notifier);

drivers/media/i2c/tc358743.c

@@ -309,6 +309,10 @@ static int tc358743_get_detected_timings(struct v4l2_subdev *sd,
 
 	memset(timings, 0, sizeof(struct v4l2_dv_timings));
 
+	/* if HPD is low, ignore any video */
+	if (!(i2c_rd8(sd, HPD_CTL) & MASK_HPD_OUT0))
+		return -ENOLINK;
+
 	if (no_signal(sd)) {
 		v4l2_dbg(1, debug, sd, "%s: no valid signal\n", __func__);
 		return -ENOLINK;

drivers/media/platform/exynos4-is/fimc-is-regs.c

@@ -164,6 +164,7 @@ int fimc_is_hw_change_mode(struct fimc_is *is)
 	if (WARN_ON(is->config_index >= ARRAY_SIZE(cmd)))
 		return -EINVAL;
 
+	fimc_is_hw_wait_intmsr0_intmsd0(is);
 	mcuctl_write(cmd[is->config_index], is, MCUCTL_REG_ISSR(0));
 	mcuctl_write(is->sensor_index, is, MCUCTL_REG_ISSR(1));
 	mcuctl_write(is->setfile.sub_index, is, MCUCTL_REG_ISSR(2));

drivers/net/ethernet/aquantia/atlantic/aq_main.c

@@ -117,7 +117,6 @@ static netdev_tx_t aq_ndev_start_xmit(struct sk_buff *skb, struct net_device *nd
 	}
 #endif
 
-	skb_tx_timestamp(skb);
 	return aq_nic_xmit(aq_nic, skb);
 }
 

drivers/net/ethernet/aquantia/atlantic/aq_nic.c

@@ -751,6 +751,8 @@ int aq_nic_xmit(struct aq_nic_s *self, struct sk_buff *skb)
 
 	frags = aq_nic_map_skb(self, skb, ring);
 
+	skb_tx_timestamp(skb);
+
 	if (likely(frags)) {
 		err = self->aq_hw_ops->hw_ring_tx_xmit(self->aq_hw,
 						       ring, frags);

drivers/net/ethernet/cadence/macb_main.c

@@ -4571,7 +4571,11 @@ static int macb_probe(struct platform_device *pdev)
 
 #ifdef CONFIG_ARCH_DMA_ADDR_T_64BIT
 	if (GEM_BFEXT(DAW64, gem_readl(bp, DCFG6))) {
-		dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(44));
+		err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(44));
+		if (err) {
+			dev_err(&pdev->dev, "failed to set DMA mask\n");
+			goto err_out_free_netdev;
+		}
 		bp->hw_dma_cap |= HW_DMA_CAP_64B;
 	}
 #endif

drivers/net/ethernet/dlink/dl2k.c

@@ -146,6 +146,8 @@ rio_probe1 (struct pci_dev *pdev, const struct pci_device_id *ent)
 	np->ioaddr = ioaddr;
 	np->chip_id = chip_idx;
 	np->pdev = pdev;
+
+	spin_lock_init(&np->stats_lock);
 	spin_lock_init (&np->tx_lock);
 	spin_lock_init (&np->rx_lock);
 
@@ -869,7 +871,6 @@ tx_error (struct net_device *dev, int tx_status)
 	frame_id = (tx_status & 0xffff0000);
 	printk (KERN_ERR "%s: Transmit error, TxStatus %4.4x, FrameId %d.\n",
 		dev->name, tx_status, frame_id);
-	dev->stats.tx_errors++;
 	/* Ttransmit Underrun */
 	if (tx_status & 0x10) {
 		dev->stats.tx_fifo_errors++;
@@ -906,9 +907,15 @@ tx_error (struct net_device *dev, int tx_status)
 		rio_set_led_mode(dev);
 		/* Let TxStartThresh stay default value */
 	}
+
+	spin_lock(&np->stats_lock);
 	/* Maximum Collisions */
 	if (tx_status & 0x08)
 		dev->stats.collisions++;
+
+	dev->stats.tx_errors++;
+	spin_unlock(&np->stats_lock);
+
 	/* Restart the Tx */
 	dw32(MACCtrl, dr16(MACCtrl) | TxEnable);
 }
@@ -1077,7 +1084,9 @@ get_stats (struct net_device *dev)
 	int i;
 #endif
 	unsigned int stat_reg;
+	unsigned long flags;
 
+	spin_lock_irqsave(&np->stats_lock, flags);
 	/* All statistics registers need to be acknowledged,
 	   else statistic overflow could cause problems */
 
@@ -1127,6 +1136,9 @@ get_stats (struct net_device *dev)
 	dr16(TCPCheckSumErrors);
 	dr16(UDPCheckSumErrors);
 	dr16(IPCheckSumErrors);
+
+	spin_unlock_irqrestore(&np->stats_lock, flags);
+
 	return &dev->stats;
 }
 

drivers/net/ethernet/dlink/dl2k.h

@@ -372,6 +372,8 @@ struct netdev_private {
 	struct pci_dev *pdev;
 	void __iomem *ioaddr;
 	void __iomem *eeprom_addr;
+	// To ensure synchronization when stats are updated.
+	spinlock_t stats_lock;
 	spinlock_t tx_lock;
 	spinlock_t rx_lock;
 	unsigned int rx_buf_sz;		/* Based on MTU+slack. */

drivers/net/ethernet/emulex/benet/be_cmds.c

@@ -1608,7 +1608,7 @@ int be_cmd_get_stats(struct be_adapter *adapter, struct be_dma_mem *nonemb_cmd)
 	/* version 1 of the cmd is not supported only by BE2 */
 	if (BE2_chip(adapter))
 		hdr->version = 0;
-	if (BE3_chip(adapter) || lancer_chip(adapter))
+	else if (BE3_chip(adapter) || lancer_chip(adapter))
 		hdr->version = 1;
 	else
 		hdr->version = 2;

drivers/net/ethernet/intel/i40e/i40e_common.c

@@ -1320,10 +1320,11 @@ i40e_status i40e_pf_reset(struct i40e_hw *hw)
 void i40e_clear_hw(struct i40e_hw *hw)
 {
 	u32 num_queues, base_queue;
-	u32 num_pf_int;
-	u32 num_vf_int;
+	s32 num_pf_int;
+	s32 num_vf_int;
 	u32 num_vfs;
-	u32 i, j;
+	s32 i;
+	u32 j;
 	u32 val;
 	u32 eol = 0x7ff;
 

drivers/net/ethernet/mellanox/mlx4/en_ethtool.c

@@ -1905,6 +1905,7 @@ static int mlx4_en_get_ts_info(struct net_device *dev,
 	if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS) {
 		info->so_timestamping |=
 			SOF_TIMESTAMPING_TX_HARDWARE |
+			SOF_TIMESTAMPING_TX_SOFTWARE |
 			SOF_TIMESTAMPING_RX_HARDWARE |
 			SOF_TIMESTAMPING_RAW_HARDWARE;
 

drivers/net/vxlan/vxlan_core.c

@@ -712,10 +712,10 @@ static int vxlan_fdb_append(struct vxlan_fdb *f,
 	if (rd == NULL)
 		return -ENOMEM;
 
-	if (dst_cache_init(&rd->dst_cache, GFP_ATOMIC)) {
-		kfree(rd);
-		return -ENOMEM;
-	}
+	/* The driver can work correctly without a dst cache, so do not treat
+	 * dst cache initialization errors as fatal.
+	 */
+	dst_cache_init(&rd->dst_cache, GFP_ATOMIC | __GFP_NOWARN);
 
 	rd->remote_ip = *ip;
 	rd->remote_port = port;

drivers/net/wireless/mediatek/mt76/mt76x2/usb.c

@@ -17,6 +17,8 @@ static const struct usb_device_id mt76x2u_device_table[] = {
 	{ USB_DEVICE(0x057c, 0x8503) },	/* Avm FRITZ!WLAN AC860 */
 	{ USB_DEVICE(0x7392, 0xb711) },	/* Edimax EW 7722 UAC */
 	{ USB_DEVICE(0x0e8d, 0x7632) },	/* HC-M7662BU1 */
+	{ USB_DEVICE(0x0471, 0x2126) }, /* LiteOn WN4516R module, nonstandard USB connector */
+	{ USB_DEVICE(0x0471, 0x7600) }, /* LiteOn WN4519R module, nonstandard USB connector */
 	{ USB_DEVICE(0x2c4e, 0x0103) },	/* Mercury UD13 */
 	{ USB_DEVICE(0x0846, 0x9053) },	/* Netgear A6210 */
 	{ USB_DEVICE(0x045e, 0x02e6) },	/* XBox One Wireless Adapter */

drivers/net/wireless/mediatek/mt76/mt76x2/usb_init.c

@@ -191,6 +191,7 @@ int mt76x2u_register_device(struct mt76x02_dev *dev)
 {
 	struct ieee80211_hw *hw = mt76_hw(dev);
 	struct mt76_usb *usb = &dev->mt76.usb;
+	bool vht;
 	int err;
 
 	INIT_DELAYED_WORK(&dev->cal_work, mt76x2u_phy_calibrate);
@@ -215,7 +216,17 @@ int mt76x2u_register_device(struct mt76x02_dev *dev)
 
 	/* check hw sg support in order to enable AMSDU */
 	hw->max_tx_fragments = dev->mt76.usb.sg_en ? MT_TX_SG_MAX_SIZE : 1;
-	err = mt76_register_device(&dev->mt76, true, mt76x02_rates,
+	switch (dev->mt76.rev) {
+	case 0x76320044:
+		/* these ASIC revisions do not support VHT */
+		vht = false;
+		break;
+	default:
+		vht = true;
+		break;
+	}
+
+	err = mt76_register_device(&dev->mt76, vht, mt76x02_rates,
 				   ARRAY_SIZE(mt76x02_rates));
 	if (err)
 		goto fail;

drivers/pinctrl/mvebu/pinctrl-armada-37xx.c

@@ -354,9 +354,7 @@ static int armada_37xx_pmx_set_by_name(struct pinctrl_dev *pctldev,
 
 	val = grp->val[func];
 
-	regmap_update_bits(info->regmap, reg, mask, val);
-
-	return 0;
+	return regmap_update_bits(info->regmap, reg, mask, val);
 }
 
 static int armada_37xx_pmx_set(struct pinctrl_dev *pctldev,
@@ -398,10 +396,13 @@ static int armada_37xx_gpio_get_direction(struct gpio_chip *chip,
 	struct armada_37xx_pinctrl *info = gpiochip_get_data(chip);
 	unsigned int reg = OUTPUT_EN;
 	unsigned int val, mask;
+	int ret;
 
 	armada_37xx_update_reg(&reg, &offset);
 	mask = BIT(offset);
-	regmap_read(info->regmap, reg, &val);
+	ret = regmap_read(info->regmap, reg, &val);
+	if (ret)
+		return ret;
 
 	if (val & mask)
 		return GPIO_LINE_DIRECTION_OUT;
@@ -438,11 +439,14 @@ static int armada_37xx_gpio_get(struct gpio_chip *chip, unsigned int offset)
 	struct armada_37xx_pinctrl *info = gpiochip_get_data(chip);
 	unsigned int reg = INPUT_VAL;
 	unsigned int val, mask;
+	int ret;
 
 	armada_37xx_update_reg(&reg, &offset);
 	mask = BIT(offset);
 
-	regmap_read(info->regmap, reg, &val);
+	ret = regmap_read(info->regmap, reg, &val);
+	if (ret)
+		return ret;
 
 	return (val & mask) != 0;
 }
@@ -467,16 +471,17 @@ static int armada_37xx_pmx_gpio_set_direction(struct pinctrl_dev *pctldev,
 {
 	struct armada_37xx_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
 	struct gpio_chip *chip = range->gc;
+	int ret;
 
 	dev_dbg(info->dev, "gpio_direction for pin %u as %s-%d to %s\n",
 		offset, range->name, offset, input ? "input" : "output");
 
 	if (input)
-		armada_37xx_gpio_direction_input(chip, offset);
+		ret = armada_37xx_gpio_direction_input(chip, offset);
 	else
-		armada_37xx_gpio_direction_output(chip, offset, 0);
+		ret = armada_37xx_gpio_direction_output(chip, offset, 0);
 
-	return 0;
+	return ret;
 }
 
 static int armada_37xx_gpio_request_enable(struct pinctrl_dev *pctldev,

drivers/platform/Kconfig

@@ -13,3 +13,5 @@ source "drivers/platform/chrome/Kconfig"
 source "drivers/platform/mellanox/Kconfig"
 
 source "drivers/platform/olpc/Kconfig"
+
+source "drivers/platform/surface/Kconfig"

drivers/platform/Makefile

@@ -9,3 +9,4 @@ obj-$(CONFIG_MIPS)		+= mips/
 obj-$(CONFIG_OLPC_EC)		+= olpc/
 obj-$(CONFIG_GOLDFISH)		+= goldfish/
 obj-$(CONFIG_CHROME_PLATFORMS)	+= chrome/
+obj-$(CONFIG_SURFACE_PLATFORMS)	+= surface/

drivers/platform/surface/Kconfig

@@ -0,0 +1,14 @@
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# Microsoft Surface Platform-Specific Drivers
+#
+
+menuconfig SURFACE_PLATFORMS
+	bool "Microsoft Surface Platform-Specific Device Drivers"
+	default y
+	help
+	  Say Y here to get to see options for platform-specific device drivers
+	  for Microsoft Surface devices. This option alone does not add any
+	  kernel code.
+
+	  If you say N, all options in this submenu will be skipped and disabled.

drivers/platform/surface/Makefile

@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# Makefile for linux/drivers/platform/surface
+# Microsoft Surface Platform-Specific Drivers
+#

drivers/platform/x86/dell_rbu.c

@@ -292,7 +292,7 @@ static int packet_read_list(char *data, size_t * pread_length)
 	remaining_bytes = *pread_length;
 	bytes_read = rbu_data.packet_read_count;
 
-	list_for_each_entry(newpacket, (&packet_data_head.list)->next, list) {
+	list_for_each_entry(newpacket, &packet_data_head.list, list) {
 		bytes_copied = do_packet_read(pdest, newpacket,
 			remaining_bytes, bytes_read, &temp_count);
 		remaining_bytes -= bytes_copied;
@@ -315,14 +315,14 @@ static void packet_empty_list(void)
 {
 	struct packet_data *newpacket, *tmp;
 
-	list_for_each_entry_safe(newpacket, tmp, (&packet_data_head.list)->next, list) {
+	list_for_each_entry_safe(newpacket, tmp, &packet_data_head.list, list) {
 		list_del(&newpacket->list);
 
 		/*
 		 * zero out the RBU packet memory before freeing
 		 * to make sure there are no stale RBU packets left in memory
 		 */
-		memset(newpacket->data, 0, rbu_data.packetsize);
+		memset(newpacket->data, 0, newpacket->length);
 		set_memory_wb((unsigned long)newpacket->data,
 			1 << newpacket->ordernum);
 		free_pages((unsigned long) newpacket->data,

drivers/rapidio/rio_cm.c

@@ -787,6 +787,9 @@ static int riocm_ch_send(u16 ch_id, void *buf, int len)
 	if (buf == NULL || ch_id == 0 || len == 0 || len > RIO_MAX_MSG_SIZE)
 		return -EINVAL;
 
+	if (len < sizeof(struct rio_ch_chan_hdr))
+		return -EINVAL;		/* insufficient data from user */
+
 	ch = riocm_get_channel(ch_id);
 	if (!ch) {
 		riocm_error("%s(%d) ch_%d not found", current->comm,

drivers/s390/scsi/zfcp_sysfs.c

@@ -450,6 +450,8 @@ static ssize_t zfcp_sysfs_unit_add_store(struct device *dev,
 	if (kstrtoull(buf, 0, (unsigned long long *) &fcp_lun))
 		return -EINVAL;
 
+	flush_work(&port->rport_work);
+
 	retval = zfcp_unit_add(port, fcp_lun);
 	if (retval)
 		return retval;

drivers/scsi/lpfc/lpfc_hbadisc.c

@@ -4772,7 +4772,7 @@ lpfc_check_sli_ndlp(struct lpfc_hba *phba,
 		case CMD_GEN_REQUEST64_CR:
 			if (iocb->context_un.ndlp == ndlp)
 				return 1;
-			fallthrough;
+			break;
 		case CMD_ELS_REQUEST64_CR:
 			if (icmd->un.elsreq64.remoteID == ndlp->nlp_DID)
 				return 1;

drivers/scsi/lpfc/lpfc_sli.c

@@ -5530,9 +5530,9 @@ lpfc_sli4_get_ctl_attr(struct lpfc_hba *phba)
 	phba->sli4_hba.lnk_info.lnk_no =
 		bf_get(lpfc_cntl_attr_lnk_numb, cntl_attr);
 
-	memset(phba->BIOSVersion, 0, sizeof(phba->BIOSVersion));
-	strlcat(phba->BIOSVersion, (char *)cntl_attr->bios_ver_str,
+	memcpy(phba->BIOSVersion, cntl_attr->bios_ver_str,
 		sizeof(phba->BIOSVersion));
+	phba->BIOSVersion[sizeof(phba->BIOSVersion) - 1] = '\0';
 
 	lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
 			"3086 lnk_type:%d, lnk_numb:%d, bios_ver:%s\n",

drivers/scsi/storvsc_drv.c

@@ -400,7 +400,7 @@ MODULE_PARM_DESC(ring_avail_percent_lowater,
 /*
  * Timeout in seconds for all devices managed by this driver.
  */
-static int storvsc_timeout = 180;
+static const int storvsc_timeout = 180;
 
 #if IS_ENABLED(CONFIG_SCSI_FC_ATTRS)
 static struct scsi_transport_template *fc_transport_template;
@@ -779,7 +779,7 @@ static void  handle_multichannel_storage(struct hv_device *device, int max_chns)
 		return;
 	}
 
-	t = wait_for_completion_timeout(&request->wait_event, 10*HZ);
+	t = wait_for_completion_timeout(&request->wait_event, storvsc_timeout * HZ);
 	if (t == 0) {
 		dev_err(dev, "Failed to create sub-channel: timed out\n");
 		return;
@@ -840,7 +840,7 @@ static int storvsc_execute_vstor_op(struct hv_device *device,
 	if (ret != 0)
 		return ret;
 
-	t = wait_for_completion_timeout(&request->wait_event, 5*HZ);
+	t = wait_for_completion_timeout(&request->wait_event, storvsc_timeout * HZ);
 	if (t == 0)
 		return -ETIMEDOUT;
 
@@ -1301,6 +1301,8 @@ static int storvsc_connect_to_vsp(struct hv_device *device, u32 ring_size,
 		return ret;
 
 	ret = storvsc_channel_init(device, is_fc);
+	if (ret)
+		vmbus_close(device->channel);
 
 	return ret;
 }
@@ -1623,7 +1625,7 @@ static int storvsc_host_reset_handler(struct scsi_cmnd *scmnd)
 	if (ret != 0)
 		return FAILED;
 
-	t = wait_for_completion_timeout(&request->wait_event, 5*HZ);
+	t = wait_for_completion_timeout(&request->wait_event, storvsc_timeout * HZ);
 	if (t == 0)
 		return TIMEOUT_ERROR;
 

drivers/staging/media/rkvdec/rkvdec.c

@@ -827,24 +827,24 @@ static int rkvdec_open(struct file *filp)
 	rkvdec_reset_decoded_fmt(ctx);
 	v4l2_fh_init(&ctx->fh, video_devdata(filp));
 
-	ret = rkvdec_init_ctrls(ctx);
-	if (ret)
-		goto err_free_ctx;
-
 	ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(rkvdec->m2m_dev, ctx,
 					    rkvdec_queue_init);
 	if (IS_ERR(ctx->fh.m2m_ctx)) {
 		ret = PTR_ERR(ctx->fh.m2m_ctx);
-		goto err_cleanup_ctrls;
+		goto err_free_ctx;
 	}
 
+	ret = rkvdec_init_ctrls(ctx);
+	if (ret)
+		goto err_cleanup_m2m_ctx;
+
 	filp->private_data = &ctx->fh;
 	v4l2_fh_add(&ctx->fh);
 
 	return 0;
 
-err_cleanup_ctrls:
-	v4l2_ctrl_handler_free(&ctx->ctrl_hdl);
+err_cleanup_m2m_ctx:
+	v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
 
 err_free_ctx:
 	kfree(ctx);

drivers/tee/tee_core.c

@@ -10,6 +10,7 @@
 #include <linux/fs.h>
 #include <linux/idr.h>
 #include <linux/module.h>
+#include <linux/overflow.h>
 #include <linux/slab.h>
 #include <linux/tee_drv.h>
 #include <linux/uaccess.h>
@@ -19,7 +20,7 @@
 
 #define TEE_NUM_DEVICES	32
 
-#define TEE_IOCTL_PARAM_SIZE(x) (sizeof(struct tee_param) * (x))
+#define TEE_IOCTL_PARAM_SIZE(x) (size_mul(sizeof(struct tee_param), (x)))
 
 #define TEE_UUID_NS_NAME_SIZE	128
 
@@ -492,7 +493,7 @@ static int tee_ioctl_open_session(struct tee_context *ctx,
 	if (copy_from_user(&arg, uarg, sizeof(arg)))
 		return -EFAULT;
 
-	if (sizeof(arg) + TEE_IOCTL_PARAM_SIZE(arg.num_params) != buf.buf_len)
+	if (size_add(sizeof(arg), TEE_IOCTL_PARAM_SIZE(arg.num_params)) != buf.buf_len)
 		return -EINVAL;
 
 	if (arg.num_params) {
@@ -570,7 +571,7 @@ static int tee_ioctl_invoke(struct tee_context *ctx,
 	if (copy_from_user(&arg, uarg, sizeof(arg)))
 		return -EFAULT;
 
-	if (sizeof(arg) + TEE_IOCTL_PARAM_SIZE(arg.num_params) != buf.buf_len)
+	if (size_add(sizeof(arg), TEE_IOCTL_PARAM_SIZE(arg.num_params)) != buf.buf_len)
 		return -EINVAL;
 
 	if (arg.num_params) {
@@ -704,7 +705,7 @@ static int tee_ioctl_supp_recv(struct tee_context *ctx,
 	if (get_user(num_params, &uarg->num_params))
 		return -EFAULT;
 
-	if (sizeof(*uarg) + TEE_IOCTL_PARAM_SIZE(num_params) != buf.buf_len)
+	if (size_add(sizeof(*uarg), TEE_IOCTL_PARAM_SIZE(num_params)) != buf.buf_len)
 		return -EINVAL;
 
 	params = kcalloc(num_params, sizeof(struct tee_param), GFP_KERNEL);
@@ -803,7 +804,7 @@ static int tee_ioctl_supp_send(struct tee_context *ctx,
 	    get_user(num_params, &uarg->num_params))
 		return -EFAULT;
 
-	if (sizeof(*uarg) + TEE_IOCTL_PARAM_SIZE(num_params) > buf.buf_len)
+	if (size_add(sizeof(*uarg), TEE_IOCTL_PARAM_SIZE(num_params)) > buf.buf_len)
 		return -EINVAL;
 
 	params = kcalloc(num_params, sizeof(struct tee_param), GFP_KERNEL);

drivers/thermal/qcom/tsens.c

@@ -264,7 +264,7 @@ static void tsens_set_interrupt(struct tsens_priv *priv, u32 hw_id,
 	dev_dbg(priv->dev, "[%u] %s: %s -> %s\n", hw_id, __func__,
 		irq_type ? ((irq_type == 1) ? "UP" : "CRITICAL") : "LOW",
 		enable ? "en" : "dis");
-	if (tsens_version(priv) > VER_1_X)
+	if (tsens_version(priv) >= VER_2_X)
 		tsens_set_interrupt_v2(priv, hw_id, irq_type, enable);
 	else
 		tsens_set_interrupt_v1(priv, hw_id, irq_type, enable);
@@ -316,7 +316,7 @@ static int tsens_read_irq_state(struct tsens_priv *priv, u32 hw_id,
 	ret = regmap_field_read(priv->rf[LOW_INT_CLEAR_0 + hw_id], &d->low_irq_clear);
 	if (ret)
 		return ret;
-	if (tsens_version(priv) > VER_1_X) {
+	if (tsens_version(priv) >= VER_2_X) {
 		ret = regmap_field_read(priv->rf[UP_INT_MASK_0 + hw_id], &d->up_irq_mask);
 		if (ret)
 			return ret;
@@ -360,7 +360,7 @@ static int tsens_read_irq_state(struct tsens_priv *priv, u32 hw_id,
 
 static inline u32 masked_irq(u32 hw_id, u32 mask, enum tsens_ver ver)
 {
-	if (ver > VER_1_X)
+	if (ver >= VER_2_X)
 		return mask & (1 << hw_id);
 
 	/* v1, v0.1 don't have a irq mask register */
@@ -560,7 +560,7 @@ static int tsens_set_trips(void *_sensor, int low, int high)
 static int tsens_enable_irq(struct tsens_priv *priv)
 {
 	int ret;
-	int val = tsens_version(priv) > VER_1_X ? 7 : 1;
+	int val = tsens_version(priv) >= VER_2_X ? 7 : 1;
 
 	ret = regmap_field_write(priv->rf[INT_EN], val);
 	if (ret < 0)
@@ -826,7 +826,7 @@ int __init init_common(struct tsens_priv *priv)
 		}
 	}
 
-	if (tsens_version(priv) > VER_1_X &&  ver_minor > 2) {
+	if (tsens_version(priv) >= VER_2_X &&  ver_minor > 2) {
 		/* Watchdog is present only on v2.3+ */
 		priv->feat->has_watchdog = 1;
 		for (i = WDOG_BARK_STATUS; i <= CC_MON_MASK; i++) {

drivers/usb/gadget/function/f_hid.c

@@ -114,8 +114,8 @@ static struct hid_descriptor hidg_desc = {
 	.bcdHID				= cpu_to_le16(0x0101),
 	.bCountryCode			= 0x00,
 	.bNumDescriptors		= 0x1,
-	/*.desc[0].bDescriptorType	= DYNAMIC */
-	/*.desc[0].wDescriptorLenght	= DYNAMIC */
+	/*.rpt_desc.bDescriptorType	= DYNAMIC */
+	/*.rpt_desc.wDescriptorLength	= DYNAMIC */
 };
 
 /* Super-Speed Support */
@@ -724,8 +724,8 @@ static int hidg_setup(struct usb_function *f,
 			struct hid_descriptor hidg_desc_copy = hidg_desc;
 
 			VDBG(cdev, "USB_REQ_GET_DESCRIPTOR: HID\n");
-			hidg_desc_copy.desc[0].bDescriptorType = HID_DT_REPORT;
-			hidg_desc_copy.desc[0].wDescriptorLength =
+			hidg_desc_copy.rpt_desc.bDescriptorType = HID_DT_REPORT;
+			hidg_desc_copy.rpt_desc.wDescriptorLength =
 				cpu_to_le16(hidg->report_desc_length);
 
 			length = min_t(unsigned short, length,
@@ -966,8 +966,8 @@ static int hidg_bind(struct usb_configuration *c, struct usb_function *f)
 	 * We can use hidg_desc struct here but we should not relay
 	 * that its content won't change after returning from this function.
 	 */
-	hidg_desc.desc[0].bDescriptorType = HID_DT_REPORT;
-	hidg_desc.desc[0].wDescriptorLength =
+	hidg_desc.rpt_desc.bDescriptorType = HID_DT_REPORT;
+	hidg_desc.rpt_desc.wDescriptorLength =
 		cpu_to_le16(hidg->report_desc_length);
 
 	hidg_hs_in_ep_desc.bEndpointAddress =

drivers/watchdog/da9052_wdt.c

@@ -164,6 +164,7 @@ static int da9052_wdt_probe(struct platform_device *pdev)
 	da9052_wdt = &driver_data->wdt;
 
 	da9052_wdt->timeout = DA9052_DEF_TIMEOUT;
+	da9052_wdt->min_hw_heartbeat_ms = DA9052_TWDMIN;
 	da9052_wdt->info = &da9052_wdt_info;
 	da9052_wdt->ops = &da9052_wdt_ops;
 	da9052_wdt->parent = dev;

fs/ext4/extents.c

@@ -1526,7 +1526,7 @@ static int ext4_ext_search_left(struct inode *inode,
 static int ext4_ext_search_right(struct inode *inode,
 				 struct ext4_ext_path *path,
 				 ext4_lblk_t *logical, ext4_fsblk_t *phys,
-				 struct ext4_extent *ret_ex)
+				 struct ext4_extent *ret_ex, int flags)
 {
 	struct buffer_head *bh = NULL;
 	struct ext4_extent_header *eh;
@@ -1600,7 +1600,8 @@ got_index:
 	ix++;
 	while (++depth < path->p_depth) {
 		/* subtract from p_depth to get proper eh_depth */
-		bh = read_extent_tree_block(inode, ix, path->p_depth - depth, 0);
+		bh = read_extent_tree_block(inode, ix, path->p_depth - depth,
+					    flags);
 		if (IS_ERR(bh))
 			return PTR_ERR(bh);
 		eh = ext_block_hdr(bh);
@@ -1608,7 +1609,7 @@ got_index:
 		put_bh(bh);
 	}
 
-	bh = read_extent_tree_block(inode, ix, path->p_depth - depth, 0);
+	bh = read_extent_tree_block(inode, ix, path->p_depth - depth, flags);
 	if (IS_ERR(bh))
 		return PTR_ERR(bh);
 	eh = ext_block_hdr(bh);
@@ -2794,6 +2795,7 @@ int ext4_ext_remove_space(struct inode *inode, ext4_lblk_t start,
 	struct partial_cluster partial;
 	handle_t *handle;
 	int i = 0, err = 0;
+	int flags = EXT4_EX_NOCACHE | EXT4_EX_NOFAIL;
 
 	partial.pclu = 0;
 	partial.lblk = 0;
@@ -2824,8 +2826,7 @@ again:
 		ext4_fsblk_t pblk;
 
 		/* find extent for or closest extent to this block */
-		path = ext4_find_extent(inode, end, NULL,
-					EXT4_EX_NOCACHE | EXT4_EX_NOFAIL);
+		path = ext4_find_extent(inode, end, NULL, flags);
 		if (IS_ERR(path)) {
 			ext4_journal_stop(handle);
 			return PTR_ERR(path);
@@ -2890,7 +2891,7 @@ again:
 			 */
 			lblk = ex_end + 1;
 			err = ext4_ext_search_right(inode, path, &lblk, &pblk,
-						    NULL);
+						    NULL, flags);
 			if (err < 0)
 				goto out;
 			if (pblk) {
@@ -2967,8 +2968,7 @@ again:
 				  i + 1, ext4_idx_pblock(path[i].p_idx));
 			memset(path + i + 1, 0, sizeof(*path));
 			bh = read_extent_tree_block(inode, path[i].p_idx,
-						    depth - i - 1,
-						    EXT4_EX_NOCACHE);
+						    depth - i - 1, flags);
 			if (IS_ERR(bh)) {
 				/* should we reset i_size? */
 				err = PTR_ERR(bh);
@@ -4270,7 +4270,8 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode,
 	if (err)
 		goto out;
 	ar.lright = map->m_lblk;
-	err = ext4_ext_search_right(inode, path, &ar.lright, &ar.pright, &ex2);
+	err = ext4_ext_search_right(inode, path, &ar.lright, &ar.pright,
+				    &ex2, 0);
 	if (err < 0)
 		goto out;
 
@@ -5033,7 +5034,9 @@ int ext4_get_es_cache(struct inode *inode, struct fiemap_extent_info *fieinfo,
 	}
 
 	if (fieinfo->fi_flags & FIEMAP_FLAG_CACHE) {
+		inode_lock_shared(inode);
 		error = ext4_ext_precache(inode);
+		inode_unlock_shared(inode);
 		if (error)
 			return error;
 		fieinfo->fi_flags &= ~FIEMAP_FLAG_CACHE;

fs/ext4/ioctl.c

@@ -1139,8 +1139,14 @@ resizefs_out:
 		return 0;
 	}
 	case EXT4_IOC_PRECACHE_EXTENTS:
-		return ext4_ext_precache(inode);
+	{
+		int ret;
 
+		inode_lock_shared(inode);
+		ret = ext4_ext_precache(inode);
+		inode_unlock_shared(inode);
+		return ret;
+	}
 	case FS_IOC_SET_ENCRYPTION_POLICY:
 		if (!ext4_has_feature_encrypt(sb))
 			return -EOPNOTSUPP;

fs/jffs2/erase.c

@@ -427,7 +427,9 @@ static void jffs2_mark_erased_block(struct jffs2_sb_info *c, struct jffs2_eraseb
 			.totlen =	cpu_to_je32(c->cleanmarker_size)
 		};
 
-		jffs2_prealloc_raw_node_refs(c, jeb, 1);
+		ret = jffs2_prealloc_raw_node_refs(c, jeb, 1);
+		if (ret)
+			goto filebad;
 
 		marker.hdr_crc = cpu_to_je32(crc32(0, &marker, sizeof(struct jffs2_unknown_node)-4));
 

fs/jffs2/scan.c

@@ -256,7 +256,9 @@ int jffs2_scan_medium(struct jffs2_sb_info *c)
 
 		jffs2_dbg(1, "%s(): Skipping %d bytes in nextblock to ensure page alignment\n",
 			  __func__, skip);
-		jffs2_prealloc_raw_node_refs(c, c->nextblock, 1);
+		ret = jffs2_prealloc_raw_node_refs(c, c->nextblock, 1);
+		if (ret)
+			goto out;
 		jffs2_scan_dirty_space(c, c->nextblock, skip);
 	}
 #endif

fs/jffs2/summary.c

@@ -858,7 +858,10 @@ int jffs2_sum_write_sumnode(struct jffs2_sb_info *c)
 	spin_unlock(&c->erase_completion_lock);
 
 	jeb = c->nextblock;
-	jffs2_prealloc_raw_node_refs(c, jeb, 1);
+	ret = jffs2_prealloc_raw_node_refs(c, jeb, 1);
+
+	if (ret)
+		goto out;
 
 	if (!c->summary->sum_num || !c->summary->sum_list_head) {
 		JFFS2_WARNING("Empty summary info!!!\n");
@@ -872,6 +875,8 @@ int jffs2_sum_write_sumnode(struct jffs2_sb_info *c)
 	datasize += padsize;
 
 	ret = jffs2_sum_write_data(c, jeb, infosize, datasize, padsize);
+
+out:
 	spin_lock(&c->erase_completion_lock);
 	return ret;
 }

fs/jfs/jfs_discard.c

@@ -86,7 +86,8 @@ int jfs_ioc_trim(struct inode *ip, struct fstrim_range *range)
 	down_read(&sb->s_umount);
 	bmp = JFS_SBI(ip->i_sb)->bmap;
 
-	if (minlen > bmp->db_agsize ||
+	if (bmp == NULL ||
+	    minlen > bmp->db_agsize ||
 	    start >= bmp->db_mapsize ||
 	    range->len < sb->s_blocksize) {
 		up_read(&sb->s_umount);

fs/jfs/jfs_dtree.c

@@ -2909,7 +2909,7 @@ void dtInitRoot(tid_t tid, struct inode *ip, u32 idotdot)
  *	     fsck.jfs should really fix this, but it currently does not.
  *	     Called from jfs_readdir when bad index is detected.
  */
-static void add_missing_indices(struct inode *inode, s64 bn)
+static int add_missing_indices(struct inode *inode, s64 bn)
 {
 	struct ldtentry *d;
 	struct dt_lock *dtlck;
@@ -2918,7 +2918,7 @@ static void add_missing_indices(struct inode *inode, s64 bn)
 	struct lv *lv;
 	struct metapage *mp;
 	dtpage_t *p;
-	int rc;
+	int rc = 0;
 	s8 *stbl;
 	tid_t tid;
 	struct tlock *tlck;
@@ -2943,6 +2943,16 @@ static void add_missing_indices(struct inode *inode, s64 bn)
 
 	stbl = DT_GETSTBL(p);
 	for (i = 0; i < p->header.nextindex; i++) {
+		if (stbl[i] < 0) {
+			jfs_err("jfs: add_missing_indices: Invalid stbl[%d] = %d for inode %ld, block = %lld",
+				i, stbl[i], (long)inode->i_ino, (long long)bn);
+			rc = -EIO;
+
+			DT_PUTPAGE(mp);
+			txAbort(tid, 0);
+			goto end;
+		}
+
 		d = (struct ldtentry *) &p->slot[stbl[i]];
 		index = le32_to_cpu(d->index);
 		if ((index < 2) || (index >= JFS_IP(inode)->next_index)) {
@@ -2960,6 +2970,7 @@ static void add_missing_indices(struct inode *inode, s64 bn)
 	(void) txCommit(tid, 1, &inode, 0);
 end:
 	txEnd(tid);
+	return rc;
 }
 
 /*
@@ -3313,7 +3324,8 @@ skip_one:
 		}
 
 		if (fix_page) {
-			add_missing_indices(ip, bn);
+			if ((rc = add_missing_indices(ip, bn)))
+				goto out;
 			page_fixed = 1;
 		}
 

include/linux/atmdev.h

@@ -248,6 +248,12 @@ static inline void atm_account_tx(struct atm_vcc *vcc, struct sk_buff *skb)
 	ATM_SKB(skb)->atm_options = vcc->atm_options;
 }
 
+static inline void atm_return_tx(struct atm_vcc *vcc, struct sk_buff *skb)
+{
+	WARN_ON_ONCE(refcount_sub_and_test(ATM_SKB(skb)->acct_truesize,
+					   &sk_atm(vcc)->sk_wmem_alloc));
+}
+
 static inline void atm_force_charge(struct atm_vcc *vcc,int truesize)
 {
 	atomic_add(truesize, &sk_atm(vcc)->sk_rmem_alloc);

include/linux/hid.h

@@ -669,8 +669,9 @@ struct hid_descriptor {
 	__le16 bcdHID;
 	__u8  bCountryCode;
 	__u8  bNumDescriptors;
+	struct hid_class_descriptor rpt_desc;
 
-	struct hid_class_descriptor desc[1];
+	struct hid_class_descriptor opt_descs[];
 } __attribute__ ((packed));
 
 #define HID_DEVICE(b, g, ven, prod)					\

net/atm/common.c

@@ -635,6 +635,7 @@ int vcc_sendmsg(struct socket *sock, struct msghdr *m, size_t size)
 
 	skb->dev = NULL; /* for paths shared with net_device interfaces */
 	if (!copy_from_iter_full(skb_put(skb, size), size, &m->msg_iter)) {
+		atm_return_tx(vcc, skb);
 		kfree_skb(skb);
 		error = -EFAULT;
 		goto out;

net/atm/raw.c

@@ -36,7 +36,7 @@ static void atm_pop_raw(struct atm_vcc *vcc, struct sk_buff *skb)
 
 	pr_debug("(%d) %d -= %d\n",
 		 vcc->vci, sk_wmem_alloc_get(sk), ATM_SKB(skb)->acct_truesize);
-	WARN_ON(refcount_sub_and_test(ATM_SKB(skb)->acct_truesize, &sk->sk_wmem_alloc));
+	atm_return_tx(vcc, skb);
 	dev_kfree_skb_any(skb);
 	sk->sk_write_space(sk);
 }

net/core/sock.c

@@ -3451,7 +3451,7 @@ static int assign_proto_idx(struct proto *prot)
 {
 	prot->inuse_idx = find_first_zero_bit(proto_inuse_idx, PROTO_INUSE_NR);
 
-	if (unlikely(prot->inuse_idx == PROTO_INUSE_NR - 1)) {
+	if (unlikely(prot->inuse_idx == PROTO_INUSE_NR)) {
 		pr_err("PROTO_INUSE_NR exhausted\n");
 		return -ENOSPC;
 	}
@@ -3462,7 +3462,7 @@ static int assign_proto_idx(struct proto *prot)
 
 static void release_proto_idx(struct proto *prot)
 {
-	if (prot->inuse_idx != PROTO_INUSE_NR - 1)
+	if (prot->inuse_idx != PROTO_INUSE_NR)
 		clear_bit(prot->inuse_idx, proto_inuse_idx);
 }
 #else

net/ipv4/route.c

@@ -197,7 +197,11 @@ const __u8 ip_tos2prio[16] = {
 EXPORT_SYMBOL(ip_tos2prio);
 
 static DEFINE_PER_CPU(struct rt_cache_stat, rt_cache_stat);
+#ifndef CONFIG_PREEMPT_RT
 #define RT_CACHE_STAT_INC(field) raw_cpu_inc(rt_cache_stat.field)
+#else
+#define RT_CACHE_STAT_INC(field) this_cpu_inc(rt_cache_stat.field)
+#endif
 
 #ifdef CONFIG_PROC_FS
 static void *rt_cache_seq_start(struct seq_file *seq, loff_t *pos)

net/ipv4/tcp_input.c

@@ -641,10 +641,12 @@ EXPORT_SYMBOL(tcp_initialize_rcv_mss);
  */
 static void tcp_rcv_rtt_update(struct tcp_sock *tp, u32 sample, int win_dep)
 {
-	u32 new_sample = tp->rcv_rtt_est.rtt_us;
-	long m = sample;
+	u32 new_sample, old_sample = tp->rcv_rtt_est.rtt_us;
+	long m = sample << 3;
 
-	if (new_sample != 0) {
+	if (old_sample == 0 || m < old_sample) {
+		new_sample = m;
+	} else {
 		/* If we sample in larger samples in the non-timestamp
 		 * case, we could grossly overestimate the RTT especially
 		 * with chatty applications or bulk transfer apps which
@@ -655,17 +657,9 @@ static void tcp_rcv_rtt_update(struct tcp_sock *tp, u32 sample, int win_dep)
 		 * else with timestamps disabled convergence takes too
 		 * long.
 		 */
-		if (!win_dep) {
-			m -= (new_sample >> 3);
-			new_sample += m;
-		} else {
-			m <<= 3;
-			if (m < new_sample)
-				new_sample = m;
-		}
-	} else {
-		/* No previous measure. */
-		new_sample = m << 3;
+		if (win_dep)
+			return;
+		new_sample = old_sample - (old_sample >> 3) + sample;
 	}
 
 	tp->rcv_rtt_est.rtt_us = new_sample;
@@ -6520,6 +6514,9 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb)
 		if (!tp->srtt_us)
 			tcp_synack_rtt_meas(sk, req);
 
+		if (tp->rx_opt.tstamp_ok)
+			tp->advmss -= TCPOLEN_TSTAMP_ALIGNED;
+
 		if (req) {
 			tcp_rcv_synrecv_state_fastopen(sk);
 		} else {
@@ -6544,9 +6541,6 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb)
 		tp->snd_wnd = ntohs(th->window) << tp->rx_opt.snd_wscale;
 		tcp_init_wl(tp, TCP_SKB_CB(skb)->seq);
 
-		if (tp->rx_opt.tstamp_ok)
-			tp->advmss -= TCPOLEN_TSTAMP_ALIGNED;
-
 		if (!inet_csk(sk)->icsk_ca_ops->cong_control)
 			tcp_update_pacing_rate(sk);
 

net/mac80211/mesh_hwmp.c

@@ -620,7 +620,7 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
 				mesh_path_add_gate(mpath);
 		}
 		rcu_read_unlock();
-	} else {
+	} else if (ifmsh->mshcfg.dot11MeshForwarding) {
 		rcu_read_lock();
 		mpath = mesh_path_lookup(sdata, target_addr);
 		if (mpath) {
@@ -638,6 +638,8 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
 			}
 		}
 		rcu_read_unlock();
+	} else {
+		forward = false;
 	}
 
 	if (reply) {
@@ -655,7 +657,7 @@ static void hwmp_preq_frame_process(struct ieee80211_sub_if_data *sdata,
 		}
 	}
 
-	if (forward && ifmsh->mshcfg.dot11MeshForwarding) {
+	if (forward) {
 		u32 preq_id;
 		u8 hopcount;
 

net/sctp/socket.c

@@ -8838,7 +8838,8 @@ static void __sctp_write_space(struct sctp_association *asoc)
 		wq = rcu_dereference(sk->sk_wq);
 		if (wq) {
 			if (waitqueue_active(&wq->wait))
-				wake_up_interruptible(&wq->wait);
+				wake_up_interruptible_poll(&wq->wait, EPOLLOUT |
+						EPOLLWRNORM | EPOLLWRBAND);
 
 			/* Note that we try to include the Async I/O support
 			 * here by modeling from the current TCP/UDP code.

net/sunrpc/cache.c

@@ -451,24 +451,21 @@ static int cache_clean(void)
 		}
 	}
 
+	spin_lock(&current_detail->hash_lock);
+
 	/* find a non-empty bucket in the table */
-	while (current_detail &&
-	       current_index < current_detail->hash_size &&
+	while (current_index < current_detail->hash_size &&
 	       hlist_empty(&current_detail->hash_table[current_index]))
 		current_index++;
 
 	/* find a cleanable entry in the bucket and clean it, or set to next bucket */
-
-	if (current_detail && current_index < current_detail->hash_size) {
+	if (current_index < current_detail->hash_size) {
 		struct cache_head *ch = NULL;
 		struct cache_detail *d;
 		struct hlist_head *head;
 		struct hlist_node *tmp;
 
-		spin_lock(&current_detail->hash_lock);
-
 		/* Ok, now to clean this strand */
-
 		head = &current_detail->hash_table[current_index];
 		hlist_for_each_entry_safe(ch, tmp, head, cache_list) {
 			if (current_detail->nextcheck > ch->expiry_time)
@@ -489,8 +486,10 @@ static int cache_clean(void)
 		spin_unlock(&cache_list_lock);
 		if (ch)
 			sunrpc_end_cache_remove_entry(ch, d);
-	} else
+	} else {
+		spin_unlock(&current_detail->hash_lock);
 		spin_unlock(&cache_list_lock);
+	}
 
 	return rv;
 }

net/tipc/crypto.c

@@ -419,7 +419,7 @@ static void tipc_aead_free(struct rcu_head *rp)
 	}
 	free_percpu(aead->tfm_entry);
 	kfree_sensitive(aead->key);
-	kfree(aead);
+	kfree_sensitive(aead);
 }
 
 static int tipc_aead_users(struct tipc_aead __rcu *aead)

security/selinux/xfrm.c

@@ -95,7 +95,7 @@ static int selinux_xfrm_alloc_user(struct xfrm_sec_ctx **ctxp,
 
 	ctx->ctx_doi = XFRM_SC_DOI_LSM;
 	ctx->ctx_alg = XFRM_SC_ALG_SELINUX;
-	ctx->ctx_len = str_len;
+	ctx->ctx_len = str_len + 1;
 	memcpy(ctx->ctx_str, &uctx[1], str_len);
 	ctx->ctx_str[str_len] = '\0';
 	rc = security_context_to_sid(&selinux_state, ctx->ctx_str, str_len,

sound/pci/hda/hda_intel.c

@@ -2295,6 +2295,8 @@ static const struct snd_pci_quirk power_save_denylist[] = {
 	SND_PCI_QUIRK(0x1734, 0x1232, "KONTRON SinglePC", 0),
 	/* Dell ALC3271 */
 	SND_PCI_QUIRK(0x1028, 0x0962, "Dell ALC3271", 0),
+	/* https://bugzilla.kernel.org/show_bug.cgi?id=220210 */
+	SND_PCI_QUIRK(0x17aa, 0x5079, "Lenovo Thinkpad E15", 0),
 	{}
 };
 #endif /* CONFIG_PM */

sound/pci/hda/patch_realtek.c

@@ -9151,6 +9151,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
 	SND_PCI_QUIRK(0x1028, 0x0871, "Dell Precision 3630", ALC255_FIXUP_DELL_HEADSET_MIC),
 	SND_PCI_QUIRK(0x1028, 0x0872, "Dell Precision 3630", ALC255_FIXUP_DELL_HEADSET_MIC),
 	SND_PCI_QUIRK(0x1028, 0x0873, "Dell Precision 3930", ALC255_FIXUP_DUMMY_LINEOUT_VERB),
+	SND_PCI_QUIRK(0x1028, 0x0879, "Dell Latitude 5420 Rugged", ALC269_FIXUP_DELL4_MIC_NO_PRESENCE),
 	SND_PCI_QUIRK(0x1028, 0x08ad, "Dell WYSE AIO", ALC225_FIXUP_DELL_WYSE_AIO_MIC_NO_PRESENCE),
 	SND_PCI_QUIRK(0x1028, 0x08ae, "Dell WYSE NB", ALC225_FIXUP_DELL1_MIC_NO_PRESENCE),
 	SND_PCI_QUIRK(0x1028, 0x0935, "Dell", ALC274_FIXUP_DELL_AIO_LINEOUT_VERB),

sound/usb/mixer_maps.c

@@ -367,6 +367,13 @@ static const struct usbmix_name_map corsair_virtuoso_map[] = {
 	{ 0 }
 };
 
+/* KTMicro USB */
+static struct usbmix_name_map s31b2_0022_map[] = {
+	{ 23, "Speaker Playback" },
+	{ 18, "Headphone Playback" },
+	{ 0 }
+};
+
 /* ASUS ROG Zenith II with Realtek ALC1220-VB */
 static const struct usbmix_name_map asus_zenith_ii_map[] = {
 	{ 19, NULL, 12 }, /* FU, Input Gain Pad - broken response, disabled */
@@ -649,6 +656,11 @@ static const struct usbmix_ctl_map usbmix_ctl_maps[] = {
 		.id = USB_ID(0x1395, 0x0025),
 		.map = sennheiser_pc8_map,
 	},
+	{
+		/* KTMicro USB */
+		.id = USB_ID(0X31b2, 0x0022),
+		.map = s31b2_0022_map,
+	},
 	{ 0 } /* terminator */
 };