Merge 0ef6153de6 ("drm/amdgpu/gfx7: fix CSIB handling") into android12-5.10-lts

Steps on the way to 5.10.239

Change-Id: Ia2f4e0d9e4d01d18cb236e9cbbfea99e686b9bf4
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

arch/mips/vdso/Makefile

@@ -29,6 +29,7 @@ endif
 # offsets.
 cflags-vdso := $(ccflags-vdso) \
 	$(filter -W%,$(filter-out -Wa$(comma)%,$(KBUILD_CFLAGS))) \
+	$(filter -std=%,$(KBUILD_CFLAGS)) \
 	-O3 -g -fPIC -fno-strict-aliasing -fno-common -fno-builtin -G 0 \
 	-mrelax-pic-calls $(call cc-option, -mexplicit-relocs) \
 	-fno-stack-protector -fno-jump-tables -DDISABLE_BRANCH_PROFILING \

arch/parisc/boot/compressed/Makefile

@@ -22,6 +22,7 @@ KBUILD_CFLAGS += -fno-PIE -mno-space-regs -mdisable-fpregs -Os
 ifndef CONFIG_64BIT
 KBUILD_CFLAGS += -mfast-indirect-calls
 endif
+KBUILD_CFLAGS += -std=gnu11
 
 OBJECTS += $(obj)/head.o $(obj)/real2.o $(obj)/firmware.o $(obj)/misc.o $(obj)/piggy.o
 

drivers/acpi/acpica/dsutils.c

@@ -668,6 +668,8 @@ acpi_ds_create_operands(struct acpi_walk_state *walk_state,
 	union acpi_parse_object *arguments[ACPI_OBJ_NUM_OPERANDS];
 	u32 arg_count = 0;
 	u32 index = walk_state->num_operands;
+	u32 prev_num_operands = walk_state->num_operands;
+	u32 new_num_operands;
 	u32 i;
 
 	ACPI_FUNCTION_TRACE_PTR(ds_create_operands, first_arg);
@@ -696,6 +698,7 @@ acpi_ds_create_operands(struct acpi_walk_state *walk_state,
 
 	/* Create the interpreter arguments, in reverse order */
 
+	new_num_operands = index;
 	index--;
 	for (i = 0; i < arg_count; i++) {
 		arg = arguments[index];
@@ -720,7 +723,11 @@ cleanup:
 	 * pop everything off of the operand stack and delete those
 	 * objects
 	 */
-	acpi_ds_obj_stack_pop_and_delete(arg_count, walk_state);
+	walk_state->num_operands = i;
+	acpi_ds_obj_stack_pop_and_delete(new_num_operands, walk_state);
+
+	/* Restore operand count */
+	walk_state->num_operands = prev_num_operands;
 
 	ACPI_EXCEPTION((AE_INFO, status, "While creating Arg %u", index));
 	return_ACPI_STATUS(status);

drivers/acpi/acpica/psobject.c

@@ -636,7 +636,8 @@ acpi_status
 acpi_ps_complete_final_op(struct acpi_walk_state *walk_state,
 			  union acpi_parse_object *op, acpi_status status)
 {
-	acpi_status status2;
+	acpi_status return_status = status;
+	u8 ascending = TRUE;
 
 	ACPI_FUNCTION_TRACE_PTR(ps_complete_final_op, walk_state);
 
@@ -650,7 +651,7 @@ acpi_ps_complete_final_op(struct acpi_walk_state *walk_state,
 			  op));
 	do {
 		if (op) {
-			if (walk_state->ascending_callback != NULL) {
+			if (ascending && walk_state->ascending_callback != NULL) {
 				walk_state->op = op;
 				walk_state->op_info =
 				    acpi_ps_get_opcode_info(op->common.
@@ -672,49 +673,26 @@ acpi_ps_complete_final_op(struct acpi_walk_state *walk_state,
 				}
 
 				if (status == AE_CTRL_TERMINATE) {
-					status = AE_OK;
-
-					/* Clean up */
-					do {
-						if (op) {
-							status2 =
-							    acpi_ps_complete_this_op
-							    (walk_state, op);
-							if (ACPI_FAILURE
-							    (status2)) {
-								return_ACPI_STATUS
-								    (status2);
-							}
-						}
-
-						acpi_ps_pop_scope(&
-								  (walk_state->
-								   parser_state),
-								  &op,
-								  &walk_state->
-								  arg_types,
-								  &walk_state->
-								  arg_count);
-
-					} while (op);
-
-					return_ACPI_STATUS(status);
+					ascending = FALSE;
+					return_status = AE_CTRL_TERMINATE;
 				}
 
 				else if (ACPI_FAILURE(status)) {
 
 					/* First error is most important */
 
-					(void)
-					    acpi_ps_complete_this_op(walk_state,
-								     op);
-					return_ACPI_STATUS(status);
+					ascending = FALSE;
+					return_status = status;
 				}
 			}
 
-			status2 = acpi_ps_complete_this_op(walk_state, op);
-			if (ACPI_FAILURE(status2)) {
-				return_ACPI_STATUS(status2);
+			status = acpi_ps_complete_this_op(walk_state, op);
+			if (ACPI_FAILURE(status)) {
+				ascending = FALSE;
+				if (ACPI_SUCCESS(return_status) ||
+				    return_status == AE_CTRL_TERMINATE) {
+					return_status = status;
+				}
 			}
 		}
 
@@ -724,5 +702,5 @@ acpi_ps_complete_final_op(struct acpi_walk_state *walk_state,
 
 	} while (op);
 
-	return_ACPI_STATUS(status);
+	return_ACPI_STATUS(return_status);
 }

drivers/acpi/acpica/utprint.c

@@ -333,11 +333,8 @@ int vsnprintf(char *string, acpi_size size, const char *format, va_list args)
 
 	pos = string;
 
-	if (size != ACPI_UINT32_MAX) {
-		end = string + size;
-	} else {
-		end = ACPI_CAST_PTR(char, ACPI_UINT32_MAX);
-	}
+	size = ACPI_MIN(size, ACPI_PTR_DIFF(ACPI_MAX_PTR, string));
+	end = string + size;
 
 	for (; *format; ++format) {
 		if (*format != '%') {

drivers/acpi/battery.c

@@ -255,10 +255,23 @@ static int acpi_battery_get_property(struct power_supply *psy,
 		break;
 	case POWER_SUPPLY_PROP_CURRENT_NOW:
 	case POWER_SUPPLY_PROP_POWER_NOW:
-		if (battery->rate_now == ACPI_BATTERY_VALUE_UNKNOWN)
+		if (battery->rate_now == ACPI_BATTERY_VALUE_UNKNOWN) {
 			ret = -ENODEV;
-		else
-			val->intval = battery->rate_now * 1000;
+			break;
+		}
+
+		val->intval = battery->rate_now * 1000;
+		/*
+		 * When discharging, the current should be reported as a
+		 * negative number as per the power supply class interface
+		 * definition.
+		 */
+		if (psp == POWER_SUPPLY_PROP_CURRENT_NOW &&
+		    (battery->state & ACPI_BATTERY_STATE_DISCHARGING) &&
+		    acpi_battery_handle_discharging(battery)
+				== POWER_SUPPLY_STATUS_DISCHARGING)
+			val->intval = -val->intval;
+
 		break;
 	case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
 	case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN:

drivers/ata/pata_via.c

@@ -368,7 +368,8 @@ static unsigned long via_mode_filter(struct ata_device *dev, unsigned long mask)
 	}
 
 	if (dev->class == ATA_DEV_ATAPI &&
-	    dmi_check_system(no_atapi_dma_dmi_table)) {
+	    (dmi_check_system(no_atapi_dma_dmi_table) ||
+	     config->id == PCI_DEVICE_ID_VIA_6415)) {
 		ata_dev_warn(dev, "controller locks up on ATAPI DMA, forcing PIO\n");
 		mask &= ATA_MASK_PIO;
 	}

drivers/base/power/runtime.c

@@ -998,7 +998,7 @@ static enum hrtimer_restart  pm_suspend_timer_fn(struct hrtimer *timer)
 	 * If 'expires' is after the current time, we've been called
 	 * too early.
 	 */
-	if (expires > 0 && expires < ktime_get_mono_fast_ns()) {
+	if (expires > 0 && expires <= ktime_get_mono_fast_ns()) {
 		dev->power.timer_expires = 0;
 		rpm_suspend(dev, dev->power.timer_autosuspends ?
 		    (RPM_ASYNC | RPM_AUTO) : RPM_ASYNC);

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

@@ -214,12 +214,19 @@ int __must_check fsl_mc_portal_allocate(struct fsl_mc_device *mc_dev,
 	if (error < 0)
 		goto error_cleanup_resource;
 
-	dpmcp_dev->consumer_link = device_link_add(&mc_dev->dev,
-						   &dpmcp_dev->dev,
-						   DL_FLAG_AUTOREMOVE_CONSUMER);
-	if (!dpmcp_dev->consumer_link) {
-		error = -EINVAL;
-		goto error_cleanup_mc_io;
+	/* If the DPRC device itself tries to allocate a portal (usually for
+	 * UAPI interaction), don't add a device link between them since the
+	 * DPMCP device is an actual child device of the DPRC and a reverse
+	 * dependency is not allowed.
+	 */
+	if (mc_dev != mc_bus_dev) {
+		dpmcp_dev->consumer_link = device_link_add(&mc_dev->dev,
+							   &dpmcp_dev->dev,
+							   DL_FLAG_AUTOREMOVE_CONSUMER);
+		if (!dpmcp_dev->consumer_link) {
+			error = -EINVAL;
+			goto error_cleanup_mc_io;
+		}
 	}
 
 	*new_mc_io = mc_io;

drivers/clk/meson/g12a.c

@@ -3907,6 +3907,7 @@ static const struct clk_parent_data spicc_sclk_parent_data[] = {
 	{ .hw = &g12a_clk81.hw },
 	{ .hw = &g12a_fclk_div4.hw },
 	{ .hw = &g12a_fclk_div3.hw },
+	{ .hw = &g12a_fclk_div2.hw },
 	{ .hw = &g12a_fclk_div5.hw },
 	{ .hw = &g12a_fclk_div7.hw },
 };

drivers/edac/altera_edac.c

@@ -1704,9 +1704,9 @@ static ssize_t altr_edac_a10_device_trig(struct file *file,
 
 	local_irq_save(flags);
 	if (trig_type == ALTR_UE_TRIGGER_CHAR)
-		writel(priv->ue_set_mask, set_addr);
+		writew(priv->ue_set_mask, set_addr);
 	else
-		writel(priv->ce_set_mask, set_addr);
+		writew(priv->ce_set_mask, set_addr);
 
 	/* Ensure the interrupt test bits are set */
 	wmb();
@@ -1736,7 +1736,7 @@ static ssize_t altr_edac_a10_device_trig2(struct file *file,
 
 	local_irq_save(flags);
 	if (trig_type == ALTR_UE_TRIGGER_CHAR) {
-		writel(priv->ue_set_mask, set_addr);
+		writew(priv->ue_set_mask, set_addr);
 	} else {
 		/* Setup read/write of 4 bytes */
 		writel(ECC_WORD_WRITE, drvdata->base + ECC_BLK_DBYTECTRL_OFST);

drivers/gpu/drm/amd/amdgpu/gfx_v10_0.c

@@ -4002,8 +4002,6 @@ static void gfx_v10_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_v6_0.c

@@ -2896,8 +2896,6 @@ static void gfx_v6_0_get_csb_buffer(struct amdgpu_device *adev,
 				buffer[count++] = cpu_to_le32(ext->reg_index - 0xa000);
 				for (i = 0; i < ext->reg_count; i++)
 					buffer[count++] = cpu_to_le32(ext->extent[i]);
-			} else {
-				return;
 			}
 		}
 	}

drivers/gpu/drm/amd/amdgpu/gfx_v7_0.c

@@ -4000,8 +4000,6 @@ static void gfx_v7_0_get_csb_buffer(struct amdgpu_device *adev,
 				buffer[count++] = cpu_to_le32(ext->reg_index - 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/display/amdgpu_dm/amdgpu_dm.c

@@ -8098,16 +8098,20 @@ static int dm_force_atomic_commit(struct drm_connector *connector)
 	 */
 	conn_state = drm_atomic_get_connector_state(state, connector);
 
-	ret = PTR_ERR_OR_ZERO(conn_state);
-	if (ret)
+	/* Check for error in getting connector state */
+	if (IS_ERR(conn_state)) {
+		ret = PTR_ERR(conn_state);
 		goto out;
+	}
 
 	/* Attach crtc to drm_atomic_state*/
 	crtc_state = drm_atomic_get_crtc_state(state, &disconnected_acrtc->base);
 
-	ret = PTR_ERR_OR_ZERO(crtc_state);
-	if (ret)
+	/* Check for error in getting crtc state */
+	if (IS_ERR(crtc_state)) {
+		ret = PTR_ERR(crtc_state);
 		goto out;
+	}
 
 	/* force a restore */
 	crtc_state->mode_changed = true;
@@ -8115,9 +8119,11 @@ static int dm_force_atomic_commit(struct drm_connector *connector)
 	/* Attach plane to drm_atomic_state */
 	plane_state = drm_atomic_get_plane_state(state, plane);
 
-	ret = PTR_ERR_OR_ZERO(plane_state);
-	if (ret)
+	/* Check for error in getting plane state */
+	if (IS_ERR(plane_state)) {
+		ret = PTR_ERR(plane_state);
 		goto out;
+	}
 
 	/* Call commit internally with the state we just constructed */
 	ret = drm_atomic_commit(state);

drivers/gpu/drm/bridge/analogix/analogix_dp_core.c

@@ -1778,10 +1778,10 @@ analogix_dp_probe(struct device *dev, struct analogix_dp_plat_data *plat_data)
 		 * that we can get the current state of the GPIO.
 		 */
 		dp->irq = gpiod_to_irq(dp->hpd_gpiod);
-		irq_flags = IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING;
+		irq_flags = IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_NO_AUTOEN;
 	} else {
 		dp->irq = platform_get_irq(pdev, 0);
-		irq_flags = 0;
+		irq_flags = IRQF_NO_AUTOEN;
 	}
 
 	if (dp->irq == -ENXIO) {
@@ -1798,7 +1798,6 @@ analogix_dp_probe(struct device *dev, struct analogix_dp_plat_data *plat_data)
 		dev_err(&pdev->dev, "failed to request irq\n");
 		goto err_disable_clk;
 	}
-	disable_irq(dp->irq);
 
 	return dp;
 

drivers/gpu/drm/msm/adreno/a6xx_hfi.c

@@ -102,7 +102,7 @@ static int a6xx_hfi_wait_for_ack(struct a6xx_gmu *gmu, u32 id, u32 seqnum,
 
 	/* Wait for a response */
 	ret = gmu_poll_timeout(gmu, REG_A6XX_GMU_GMU2HOST_INTR_INFO, val,
-		val & A6XX_GMU_GMU2HOST_INTR_INFO_MSGQ, 100, 5000);
+		val & A6XX_GMU_GMU2HOST_INTR_INFO_MSGQ, 100, 1000000);
 
 	if (ret) {
 		DRM_DEV_ERROR(gmu->dev,

drivers/gpu/drm/msm/hdmi/hdmi_i2c.c

@@ -107,11 +107,15 @@ static int msm_hdmi_i2c_xfer(struct i2c_adapter *i2c,
 	if (num == 0)
 		return num;
 
+	ret = pm_runtime_resume_and_get(&hdmi->pdev->dev);
+	if (ret)
+		return ret;
+
 	init_ddc(hdmi_i2c);
 
 	ret = ddc_clear_irq(hdmi_i2c);
 	if (ret)
-		return ret;
+		goto fail;
 
 	for (i = 0; i < num; i++) {
 		struct i2c_msg *p = &msgs[i];
@@ -169,7 +173,7 @@ static int msm_hdmi_i2c_xfer(struct i2c_adapter *i2c,
 				hdmi_read(hdmi, REG_HDMI_DDC_SW_STATUS),
 				hdmi_read(hdmi, REG_HDMI_DDC_HW_STATUS),
 				hdmi_read(hdmi, REG_HDMI_DDC_INT_CTRL));
-		return ret;
+		goto fail;
 	}
 
 	ddc_status = hdmi_read(hdmi, REG_HDMI_DDC_SW_STATUS);
@@ -202,7 +206,13 @@ static int msm_hdmi_i2c_xfer(struct i2c_adapter *i2c,
 		}
 	}
 
+	pm_runtime_put(&hdmi->pdev->dev);
+
 	return i;
+
+fail:
+	pm_runtime_put(&hdmi->pdev->dev);
+	return ret;
 }
 
 static u32 msm_hdmi_i2c_func(struct i2c_adapter *adapter)

drivers/iio/adc/ad7606_spi.c

@@ -151,7 +151,7 @@ static int ad7606_spi_reg_write(struct ad7606_state *st,
 	struct spi_device *spi = to_spi_device(st->dev);
 
 	st->d16[0] = cpu_to_be16((st->bops->rd_wr_cmd(addr, 1) << 8) |
-				  (val & 0x1FF));
+				  (val & 0xFF));
 
 	return spi_write(spi, &st->d16[0], sizeof(st->d16[0]));
 }

drivers/iio/imu/inv_icm42600/inv_icm42600_temp.c

@@ -67,16 +67,18 @@ int inv_icm42600_temp_read_raw(struct iio_dev *indio_dev,
 		return IIO_VAL_INT;
 	/*
 	 * T°C = (temp / 132.48) + 25
-	 * Tm°C = 1000 * ((temp * 100 / 13248) + 25)
+	 * Tm°C = 1000 * ((temp / 132.48) + 25)
+	 * Tm°C = 7.548309 * temp + 25000
+	 * Tm°C = (temp + 3312) * 7.548309
 	 * scale: 100000 / 13248 ~= 7.548309
-	 * offset: 25000
+	 * offset: 3312
 	 */
 	case IIO_CHAN_INFO_SCALE:
 		*val = 7;
 		*val2 = 548309;
 		return IIO_VAL_INT_PLUS_MICRO;
 	case IIO_CHAN_INFO_OFFSET:
-		*val = 25000;
+		*val = 3312;
 		return IIO_VAL_INT;
 	default:
 		return -EINVAL;

drivers/input/misc/ims-pcu.c

@@ -845,6 +845,12 @@ static int ims_pcu_flash_firmware(struct ims_pcu *pcu,
 		addr = be32_to_cpu(rec->addr) / 2;
 		len = be16_to_cpu(rec->len);
 
+		if (len > sizeof(pcu->cmd_buf) - 1 - sizeof(*fragment)) {
+			dev_err(pcu->dev,
+				"Invalid record length in firmware: %d\n", len);
+			return -EINVAL;
+		}
+
 		fragment = (void *)&pcu->cmd_buf[1];
 		put_unaligned_le32(addr, &fragment->addr);
 		fragment->len = len;

drivers/md/dm-raid1.c

@@ -128,10 +128,9 @@ static void queue_bio(struct mirror_set *ms, struct bio *bio, int rw)
 	spin_lock_irqsave(&ms->lock, flags);
 	should_wake = !(bl->head);
 	bio_list_add(bl, bio);
-	spin_unlock_irqrestore(&ms->lock, flags);
-
 	if (should_wake)
 		wakeup_mirrord(ms);
+	spin_unlock_irqrestore(&ms->lock, flags);
 }
 
 static void dispatch_bios(void *context, struct bio_list *bio_list)
@@ -638,9 +637,9 @@ static void write_callback(unsigned long error, void *context)
 	if (!ms->failures.head)
 		should_wake = 1;
 	bio_list_add(&ms->failures, bio);
-	spin_unlock_irqrestore(&ms->lock, flags);
 	if (should_wake)
 		wakeup_mirrord(ms);
+	spin_unlock_irqrestore(&ms->lock, flags);
 }
 
 static void do_write(struct mirror_set *ms, struct bio *bio)

drivers/mtd/nand/raw/sunxi_nand.c

@@ -818,6 +818,7 @@ static int sunxi_nfc_hw_ecc_read_chunk(struct nand_chip *nand,
 	if (ret)
 		return ret;
 
+	sunxi_nfc_randomizer_config(nand, page, false);
 	sunxi_nfc_randomizer_enable(nand);
 	writel(NFC_DATA_TRANS | NFC_DATA_SWAP_METHOD | NFC_ECC_OP,
 	       nfc->regs + NFC_REG_CMD);
@@ -1045,6 +1046,7 @@ static int sunxi_nfc_hw_ecc_write_chunk(struct nand_chip *nand,
 	if (ret)
 		return ret;
 
+	sunxi_nfc_randomizer_config(nand, page, false);
 	sunxi_nfc_randomizer_enable(nand);
 	sunxi_nfc_hw_ecc_set_prot_oob_bytes(nand, oob, 0, bbm, page);
 

drivers/net/usb/ch9200.c

@@ -178,6 +178,7 @@ static int ch9200_mdio_read(struct net_device *netdev, int phy_id, int loc)
 {
 	struct usbnet *dev = netdev_priv(netdev);
 	unsigned char buff[2];
+	int ret;
 
 	netdev_dbg(netdev, "%s phy_id:%02x loc:%02x\n",
 		   __func__, phy_id, loc);
@@ -185,8 +186,10 @@ static int ch9200_mdio_read(struct net_device *netdev, int phy_id, int loc)
 	if (phy_id != 0)
 		return -ENODEV;
 
-	control_read(dev, REQUEST_READ, 0, loc * 2, buff, 0x02,
-		     CONTROL_TIMEOUT_MS);
+	ret = control_read(dev, REQUEST_READ, 0, loc * 2, buff, 0x02,
+			   CONTROL_TIMEOUT_MS);
+	if (ret < 0)
+		return ret;
 
 	return (buff[0] | buff[1] << 8);
 }

drivers/pci/pci.c

@@ -5365,7 +5365,8 @@ static void pci_slot_unlock(struct pci_slot *slot)
 			continue;
 		if (dev->subordinate)
 			pci_bus_unlock(dev->subordinate);
-		pci_dev_unlock(dev);
+		else
+			pci_dev_unlock(dev);
 	}
 }
 

drivers/pci/quirks.c

@@ -4827,6 +4827,18 @@ static int pci_quirk_brcm_acs(struct pci_dev *dev, u16 acs_flags)
 		PCI_ACS_SV | PCI_ACS_RR | PCI_ACS_CR | PCI_ACS_UF);
 }
 
+static int pci_quirk_loongson_acs(struct pci_dev *dev, u16 acs_flags)
+{
+	/*
+	 * Loongson PCIe Root Ports don't advertise an ACS capability, but
+	 * they do not allow peer-to-peer transactions between Root Ports.
+	 * Allow each Root Port to be in a separate IOMMU group by masking
+	 * SV/RR/CR/UF bits.
+	 */
+	return pci_acs_ctrl_enabled(acs_flags,
+		PCI_ACS_SV | PCI_ACS_RR | PCI_ACS_CR | PCI_ACS_UF);
+}
+
 /*
  * Wangxun 40G/25G/10G/1G NICs have no ACS capability, but on
  * multi-function devices, the hardware isolates the functions by
@@ -4960,6 +4972,17 @@ static const struct pci_dev_acs_enabled {
 	{ PCI_VENDOR_ID_BROADCOM, 0x1762, pci_quirk_mf_endpoint_acs },
 	{ PCI_VENDOR_ID_BROADCOM, 0x1763, pci_quirk_mf_endpoint_acs },
 	{ PCI_VENDOR_ID_BROADCOM, 0xD714, pci_quirk_brcm_acs },
+	/* Loongson PCIe Root Ports */
+	{ PCI_VENDOR_ID_LOONGSON, 0x3C09, pci_quirk_loongson_acs },
+	{ PCI_VENDOR_ID_LOONGSON, 0x3C19, pci_quirk_loongson_acs },
+	{ PCI_VENDOR_ID_LOONGSON, 0x3C29, pci_quirk_loongson_acs },
+	{ PCI_VENDOR_ID_LOONGSON, 0x7A09, pci_quirk_loongson_acs },
+	{ PCI_VENDOR_ID_LOONGSON, 0x7A19, pci_quirk_loongson_acs },
+	{ PCI_VENDOR_ID_LOONGSON, 0x7A29, pci_quirk_loongson_acs },
+	{ PCI_VENDOR_ID_LOONGSON, 0x7A39, pci_quirk_loongson_acs },
+	{ PCI_VENDOR_ID_LOONGSON, 0x7A49, pci_quirk_loongson_acs },
+	{ PCI_VENDOR_ID_LOONGSON, 0x7A59, pci_quirk_loongson_acs },
+	{ PCI_VENDOR_ID_LOONGSON, 0x7A69, pci_quirk_loongson_acs },
 	/* Amazon Annapurna Labs */
 	{ PCI_VENDOR_ID_AMAZON_ANNAPURNA_LABS, 0x0031, pci_quirk_al_acs },
 	/* Zhaoxin multi-function devices */

drivers/power/supply/bq27xxx_battery.c

@@ -2000,7 +2000,7 @@ static int bq27xxx_battery_get_property(struct power_supply *psy,
 	mutex_unlock(&di->lock);
 
 	if (psp != POWER_SUPPLY_PROP_PRESENT && di->cache.flags < 0)
-		return -ENODEV;
+		return di->cache.flags;
 
 	switch (psp) {
 	case POWER_SUPPLY_PROP_STATUS:

drivers/power/supply/bq27xxx_battery_i2c.c

@@ -6,6 +6,7 @@
  *	Andrew F. Davis <afd@ti.com>
  */
 
+#include <linux/delay.h>
 #include <linux/i2c.h>
 #include <linux/interrupt.h>
 #include <linux/module.h>
@@ -32,6 +33,7 @@ static int bq27xxx_battery_i2c_read(struct bq27xxx_device_info *di, u8 reg,
 	struct i2c_msg msg[2];
 	u8 data[2];
 	int ret;
+	int retry = 0;
 
 	if (!client->adapter)
 		return -ENODEV;
@@ -48,7 +50,16 @@ static int bq27xxx_battery_i2c_read(struct bq27xxx_device_info *di, u8 reg,
 	else
 		msg[1].len = 2;
 
-	ret = i2c_transfer(client->adapter, msg, ARRAY_SIZE(msg));
+	do {
+		ret = i2c_transfer(client->adapter, msg, ARRAY_SIZE(msg));
+		if (ret == -EBUSY && ++retry < 3) {
+			/* sleep 10 milliseconds when busy */
+			usleep_range(10000, 11000);
+			continue;
+		}
+		break;
+	} while (1);
+
 	if (ret < 0)
 		return ret;
 

drivers/regulator/max14577-regulator.c

@@ -40,11 +40,14 @@ static int max14577_reg_get_current_limit(struct regulator_dev *rdev)
 	struct max14577 *max14577 = rdev_get_drvdata(rdev);
 	const struct maxim_charger_current *limits =
 		&maxim_charger_currents[max14577->dev_type];
+	int ret;
 
 	if (rdev_get_id(rdev) != MAX14577_CHARGER)
 		return -EINVAL;
 
-	max14577_read_reg(rmap, MAX14577_CHG_REG_CHG_CTRL4, &reg_data);
+	ret = max14577_read_reg(rmap, MAX14577_CHG_REG_CHG_CTRL4, &reg_data);
+	if (ret < 0)
+		return ret;
 
 	if ((reg_data & CHGCTRL4_MBCICHWRCL_MASK) == 0)
 		return limits->min;

drivers/staging/iio/impedance-analyzer/ad5933.c

@@ -412,7 +412,7 @@ static ssize_t ad5933_store(struct device *dev,
 		ret = ad5933_cmd(st, 0);
 		break;
 	case AD5933_OUT_SETTLING_CYCLES:
-		val = clamp(val, (u16)0, (u16)0x7FF);
+		val = clamp(val, (u16)0, (u16)0x7FC);
 		st->settling_cycles = val;
 
 		/* 2x, 4x handling, see datasheet */

drivers/uio/uio_hv_generic.c

@@ -288,13 +288,13 @@ hv_uio_probe(struct hv_device *dev,
 	pdata->info.mem[INT_PAGE_MAP].name = "int_page";
 	pdata->info.mem[INT_PAGE_MAP].addr
 		= (uintptr_t)vmbus_connection.int_page;
-	pdata->info.mem[INT_PAGE_MAP].size = PAGE_SIZE;
+	pdata->info.mem[INT_PAGE_MAP].size = HV_HYP_PAGE_SIZE;
 	pdata->info.mem[INT_PAGE_MAP].memtype = UIO_MEM_LOGICAL;
 
 	pdata->info.mem[MON_PAGE_MAP].name = "monitor_page";
 	pdata->info.mem[MON_PAGE_MAP].addr
 		= (uintptr_t)vmbus_connection.monitor_pages[1];
-	pdata->info.mem[MON_PAGE_MAP].size = PAGE_SIZE;
+	pdata->info.mem[MON_PAGE_MAP].size = HV_HYP_PAGE_SIZE;
 	pdata->info.mem[MON_PAGE_MAP].memtype = UIO_MEM_LOGICAL;
 
 	pdata->recv_buf = vzalloc(RECV_BUFFER_SIZE);

drivers/video/console/vgacon.c

@@ -1200,7 +1200,7 @@ static bool vgacon_scroll(struct vc_data *c, unsigned int t, unsigned int b,
 				     c->vc_screenbuf_size - delta);
 			c->vc_origin = vga_vram_end - c->vc_screenbuf_size;
 			vga_rolled_over = 0;
-		} else
+		} else if (oldo - delta >= (unsigned long)c->vc_screenbuf)
 			c->vc_origin -= delta;
 		c->vc_scr_end = c->vc_origin + c->vc_screenbuf_size;
 		scr_memsetw((u16 *) (c->vc_origin), c->vc_video_erase_char,

drivers/video/fbdev/core/fbmem.c

@@ -1062,8 +1062,10 @@ fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var)
 	    !list_empty(&info->modelist))
 		ret = fb_add_videomode(&mode, &info->modelist);
 
-	if (ret)
+	if (ret) {
+		info->var = old_var;
 		return ret;
+	}
 
 	event.info = info;
 	event.data = &mode;

fs/exfat/nls.c

@@ -804,4 +804,5 @@ load_default:
 void exfat_free_upcase_table(struct exfat_sb_info *sbi)
 {
 	kvfree(sbi->vol_utbl);
+	sbi->vol_utbl = NULL;
 }

fs/ext4/ext4.h

@@ -3275,6 +3275,13 @@ static inline unsigned int ext4_flex_bg_size(struct ext4_sb_info *sbi)
 	return 1 << sbi->s_log_groups_per_flex;
 }
 
+static inline loff_t ext4_get_maxbytes(struct inode *inode)
+{
+	if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))
+		return inode->i_sb->s_maxbytes;
+	return EXT4_SB(inode->i_sb)->s_bitmap_maxbytes;
+}
+
 #define ext4_std_error(sb, errno)				\
 do {								\
 	if ((errno))						\

fs/ext4/extents.c

@@ -2367,18 +2367,19 @@ int ext4_ext_calc_credits_for_single_extent(struct inode *inode, int nrblocks,
 int ext4_ext_index_trans_blocks(struct inode *inode, int extents)
 {
 	int index;
-	int depth;
 
 	/* If we are converting the inline data, only one is needed here. */
 	if (ext4_has_inline_data(inode))
 		return 1;
 
-	depth = ext_depth(inode);
-
+	/*
+	 * Extent tree can change between the time we estimate credits and
+	 * the time we actually modify the tree. Assume the worst case.
+	 */
 	if (extents <= 1)
-		index = depth * 2;
+		index = EXT4_MAX_EXTENT_DEPTH * 2;
 	else
-		index = depth * 3;
+		index = EXT4_MAX_EXTENT_DEPTH * 3;
 
 	return index;
 }
@@ -4969,12 +4970,7 @@ static const struct iomap_ops ext4_iomap_xattr_ops = {
 
 static int ext4_fiemap_check_ranges(struct inode *inode, u64 start, u64 *len)
 {
-	u64 maxbytes;
-
-	if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))
-		maxbytes = inode->i_sb->s_maxbytes;
-	else
-		maxbytes = EXT4_SB(inode->i_sb)->s_bitmap_maxbytes;
+	u64 maxbytes = ext4_get_maxbytes(inode);
 
 	if (*len == 0)
 		return -EINVAL;

fs/ext4/file.c

@@ -884,12 +884,7 @@ static int ext4_file_open(struct inode *inode, struct file *filp)
 loff_t ext4_llseek(struct file *file, loff_t offset, int whence)
 {
 	struct inode *inode = file->f_mapping->host;
-	loff_t maxbytes;
-
-	if (!(ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS)))
-		maxbytes = EXT4_SB(inode->i_sb)->s_bitmap_maxbytes;
-	else
-		maxbytes = inode->i_sb->s_maxbytes;
+	loff_t maxbytes = ext4_get_maxbytes(inode);
 
 	switch (whence) {
 	default:

fs/ext4/inline.c

@@ -390,7 +390,7 @@ out:
 }
 
 static int ext4_prepare_inline_data(handle_t *handle, struct inode *inode,
-				    unsigned int len)
+				    loff_t len)
 {
 	int ret, size, no_expand;
 	struct ext4_inode_info *ei = EXT4_I(inode);

fs/ext4/inode.c

@@ -4900,7 +4900,8 @@ struct inode *__ext4_iget(struct super_block *sb, unsigned long ino,
 		ei->i_file_acl |=
 			((__u64)le16_to_cpu(raw_inode->i_file_acl_high)) << 32;
 	inode->i_size = ext4_isize(sb, raw_inode);
-	if ((size = i_size_read(inode)) < 0) {
+	size = i_size_read(inode);
+	if (size < 0 || size > ext4_get_maxbytes(inode)) {
 		ext4_error_inode(inode, function, line, 0,
 				 "iget: bad i_size value: %lld", size);
 		ret = -EFSCORRUPTED;

fs/f2fs/namei.c

@@ -608,6 +608,15 @@ static int f2fs_unlink(struct inode *dir, struct dentry *dentry)
 		goto fail;
 	}
 
+	if (unlikely(inode->i_nlink == 0)) {
+		f2fs_warn(F2FS_I_SB(inode), "%s: inode (ino=%lx) has zero i_nlink",
+			  __func__, inode->i_ino);
+		err = -EFSCORRUPTED;
+		set_sbi_flag(F2FS_I_SB(inode), SBI_NEED_FSCK);
+		f2fs_put_page(page, 0);
+		goto fail;
+	}
+
 	f2fs_balance_fs(sbi, true);
 
 	f2fs_lock_op(sbi);

fs/f2fs/super.c

@@ -3289,6 +3289,7 @@ int f2fs_sanity_check_ckpt(struct f2fs_sb_info *sbi)
 	block_t user_block_count, valid_user_blocks;
 	block_t avail_node_count, valid_node_count;
 	unsigned int nat_blocks, nat_bits_bytes, nat_bits_blocks;
+	unsigned int sit_blk_cnt;
 	int i, j;
 
 	total = le32_to_cpu(raw_super->segment_count);
@@ -3400,6 +3401,13 @@ skip_cross:
 		return 1;
 	}
 
+	sit_blk_cnt = DIV_ROUND_UP(main_segs, SIT_ENTRY_PER_BLOCK);
+	if (sit_bitmap_size * 8 < sit_blk_cnt) {
+		f2fs_err(sbi, "Wrong bitmap size: sit: %u, sit_blk_cnt:%u",
+			 sit_bitmap_size, sit_blk_cnt);
+		return 1;
+	}
+
 	cp_pack_start_sum = __start_sum_addr(sbi);
 	cp_payload = __cp_payload(sbi);
 	if (cp_pack_start_sum < cp_payload + 1 ||

include/acpi/actypes.h

@@ -524,7 +524,7 @@ typedef u64 acpi_integer;
 
 /* Support for the special RSDP signature (8 characters) */
 
-#define ACPI_VALIDATE_RSDP_SIG(a)       (!strncmp (ACPI_CAST_PTR (char, (a)), ACPI_SIG_RSDP, 8))
+#define ACPI_VALIDATE_RSDP_SIG(a)       (!strncmp (ACPI_CAST_PTR (char, (a)), ACPI_SIG_RSDP, (sizeof(a) < 8) ? ACPI_NAMESEG_SIZE : 8))
 #define ACPI_MAKE_RSDP_SIG(dest)        (memcpy (ACPI_CAST_PTR (char, (dest)), ACPI_SIG_RSDP, 8))
 
 /* Support for OEMx signature (x can be any character) */

include/uapi/linux/videodev2.h

@@ -153,10 +153,18 @@ enum v4l2_buf_type {
 	V4L2_BUF_TYPE_SDR_OUTPUT           = 12,
 	V4L2_BUF_TYPE_META_CAPTURE         = 13,
 	V4L2_BUF_TYPE_META_OUTPUT	   = 14,
+	/*
+	 * Note: V4L2_TYPE_IS_VALID and V4L2_TYPE_IS_OUTPUT must
+	 * be updated if a new type is added.
+	 */
 	/* Deprecated, do not use */
 	V4L2_BUF_TYPE_PRIVATE              = 0x80,
 };
 
+#define V4L2_TYPE_IS_VALID(type)		 \
+	((type) >= V4L2_BUF_TYPE_VIDEO_CAPTURE &&\
+	 (type) <= V4L2_BUF_TYPE_META_OUTPUT)
+
 #define V4L2_TYPE_IS_MULTIPLANAR(type)			\
 	((type) == V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE	\
 	 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE)
@@ -164,14 +172,14 @@ enum v4l2_buf_type {
 #define V4L2_TYPE_IS_OUTPUT(type)				\
 	((type) == V4L2_BUF_TYPE_VIDEO_OUTPUT			\
 	 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE		\
-	 || (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY		\
 	 || (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY	\
 	 || (type) == V4L2_BUF_TYPE_VBI_OUTPUT			\
 	 || (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT		\
 	 || (type) == V4L2_BUF_TYPE_SDR_OUTPUT			\
 	 || (type) == V4L2_BUF_TYPE_META_OUTPUT)
 
-#define V4L2_TYPE_IS_CAPTURE(type) (!V4L2_TYPE_IS_OUTPUT(type))
+#define V4L2_TYPE_IS_CAPTURE(type)	\
+	(V4L2_TYPE_IS_VALID(type) && !V4L2_TYPE_IS_OUTPUT(type))
 
 enum v4l2_tuner_type {
 	V4L2_TUNER_RADIO	     = 1,

ipc/shm.c

@@ -417,8 +417,11 @@ static int shm_try_destroy_orphaned(int id, void *p, void *data)
 void shm_destroy_orphaned(struct ipc_namespace *ns)
 {
 	down_write(&shm_ids(ns).rwsem);
-	if (shm_ids(ns).in_use)
+	if (shm_ids(ns).in_use) {
+		rcu_read_lock();
 		idr_for_each(&shm_ids(ns).ipcs_idr, &shm_try_destroy_orphaned, ns);
+		rcu_read_unlock();
+	}
 	up_write(&shm_ids(ns).rwsem);
 }
 

kernel/time/clocksource.c

@@ -237,7 +237,7 @@ static void clocksource_verify_choose_cpus(void)
 {
 	int cpu, i, n = verify_n_cpus;
 
-	if (n < 0) {
+	if (n < 0 || n >= num_online_cpus()) {
 		/* Check all of the CPUs. */
 		cpumask_copy(&cpus_chosen, cpu_online_mask);
 		cpumask_clear_cpu(smp_processor_id(), &cpus_chosen);

kernel/trace/ftrace.c

@@ -6474,9 +6474,10 @@ void ftrace_release_mod(struct module *mod)
 
 	mutex_lock(&ftrace_lock);
 
-	if (ftrace_disabled)
-		goto out_unlock;
-
+	/*
+	 * To avoid the UAF problem after the module is unloaded, the
+	 * 'mod_map' resource needs to be released unconditionally.
+	 */
 	list_for_each_entry_safe(mod_map, n, &ftrace_mod_maps, list) {
 		if (mod_map->mod == mod) {
 			list_del_rcu(&mod_map->list);
@@ -6485,6 +6486,9 @@ void ftrace_release_mod(struct module *mod)
 		}
 	}
 
+	if (ftrace_disabled)
+		goto out_unlock;
+
 	/*
 	 * Each module has its own ftrace_pages, remove
 	 * them from the list.

mm/page-writeback.c

@@ -560,8 +560,8 @@ int dirty_ratio_handler(struct ctl_table *table, int write, void *buffer,
 
 	ret = proc_dointvec_minmax(table, write, buffer, lenp, ppos);
 	if (ret == 0 && write && vm_dirty_ratio != old_ratio) {
-		writeback_set_ratelimit();
 		vm_dirty_bytes = 0;
+		writeback_set_ratelimit();
 	}
 	return ret;
 }

net/nfc/nci/uart.c

@@ -131,22 +131,22 @@ static int nci_uart_set_driver(struct tty_struct *tty, unsigned int driver)
 
 	memcpy(nu, nci_uart_drivers[driver], sizeof(struct nci_uart));
 	nu->tty = tty;
-	tty->disc_data = nu;
 	skb_queue_head_init(&nu->tx_q);
 	INIT_WORK(&nu->write_work, nci_uart_write_work);
 	spin_lock_init(&nu->rx_lock);
 
 	ret = nu->ops.open(nu);
 	if (ret) {
-		tty->disc_data = NULL;
 		kfree(nu);
+		return ret;
 	} else if (!try_module_get(nu->owner)) {
 		nu->ops.close(nu);
-		tty->disc_data = NULL;
 		kfree(nu);
 		return -ENOENT;
 	}
-	return ret;
+	tty->disc_data = nu;
+
+	return 0;
 }
 
 /* ------ LDISC part ------ */

net/sunrpc/cache.c

@@ -133,6 +133,8 @@ static struct cache_head *sunrpc_cache_add_entry(struct cache_detail *detail,
 
 	hlist_add_head_rcu(&new->cache_list, head);
 	detail->entries++;
+	if (detail->nextcheck > new->expiry_time)
+		detail->nextcheck = new->expiry_time + 1;
 	cache_get(new);
 	spin_unlock(&detail->hash_lock);
 

sound/soc/codecs/tas2770.c

@@ -158,11 +158,37 @@ static const struct snd_kcontrol_new isense_switch =
 static const struct snd_kcontrol_new vsense_switch =
 	SOC_DAPM_SINGLE("Switch", TAS2770_PWR_CTRL, 2, 1, 1);
 
+static int sense_event(struct snd_soc_dapm_widget *w,
+			struct snd_kcontrol *kcontrol, int event)
+{
+	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
+	struct tas2770_priv *tas2770 = snd_soc_component_get_drvdata(component);
+
+	/*
+	 * Powering up ISENSE/VSENSE requires a trip through the shutdown state.
+	 * Do that here to ensure that our changes are applied properly, otherwise
+	 * we might end up with non-functional IVSENSE if playback started earlier,
+	 * which would break software speaker protection.
+	 */
+	switch (event) {
+	case SND_SOC_DAPM_PRE_REG:
+		return snd_soc_component_update_bits(component, TAS2770_PWR_CTRL,
+						    TAS2770_PWR_CTRL_MASK,
+						    TAS2770_PWR_CTRL_SHUTDOWN);
+	case SND_SOC_DAPM_POST_REG:
+		return tas2770_update_pwr_ctrl(tas2770);
+	default:
+		return 0;
+	}
+}
+
 static const struct snd_soc_dapm_widget tas2770_dapm_widgets[] = {
 	SND_SOC_DAPM_AIF_IN("ASI1", "ASI1 Playback", 0, SND_SOC_NOPM, 0, 0),
 	SND_SOC_DAPM_MUX("ASI1 Sel", SND_SOC_NOPM, 0, 0, &tas2770_asi1_mux),
-	SND_SOC_DAPM_SWITCH("ISENSE", TAS2770_PWR_CTRL, 3, 1, &isense_switch),
-	SND_SOC_DAPM_SWITCH("VSENSE", TAS2770_PWR_CTRL, 2, 1, &vsense_switch),
+	SND_SOC_DAPM_SWITCH_E("ISENSE", TAS2770_PWR_CTRL, 3, 1, &isense_switch,
+		sense_event, SND_SOC_DAPM_PRE_REG | SND_SOC_DAPM_POST_REG),
+	SND_SOC_DAPM_SWITCH_E("VSENSE", TAS2770_PWR_CTRL, 2, 1, &vsense_switch,
+		sense_event, SND_SOC_DAPM_PRE_REG | SND_SOC_DAPM_POST_REG),
 	SND_SOC_DAPM_DAC_E("DAC", NULL, SND_SOC_NOPM, 0, 0, tas2770_dac_event,
 			   SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 	SND_SOC_DAPM_OUTPUT("OUT"),

sound/soc/tegra/tegra210_ahub.c

@@ -607,6 +607,8 @@ static int tegra_ahub_probe(struct platform_device *pdev)
 		return -ENOMEM;
 
 	ahub->soc_data = of_device_get_match_data(&pdev->dev);
+	if (!ahub->soc_data)
+		return -ENODEV;
 
 	platform_set_drvdata(pdev, ahub);