Merge 4.19.143 into android-4.19-stableASB-2020-09-05_4.19-stable

Changes in 4.19.143
	powerpc/64s: Don't init FSCR_DSCR in __init_FSCR()
	gre6: Fix reception with IP6_TNL_F_RCV_DSCP_COPY
	net: Fix potential wrong skb->protocol in skb_vlan_untag()
	net: qrtr: fix usage of idr in port assignment to socket
	net/smc: Prevent kernel-infoleak in __smc_diag_dump()
	tipc: fix uninit skb->data in tipc_nl_compat_dumpit()
	net: ena: Make missed_tx stat incremental
	ipvlan: fix device features
	ALSA: pci: delete repeated words in comments
	ASoC: img: Fix a reference count leak in img_i2s_in_set_fmt
	ASoC: img-parallel-out: Fix a reference count leak
	ASoC: tegra: Fix reference count leaks.
	mfd: intel-lpss: Add Intel Emmitsburg PCH PCI IDs
	arm64: dts: qcom: msm8916: Pull down PDM GPIOs during sleep
	powerpc/xive: Ignore kmemleak false positives
	media: pci: ttpci: av7110: fix possible buffer overflow caused by bad DMA value in debiirq()
	blktrace: ensure our debugfs dir exists
	scsi: target: tcmu: Fix crash on ARM during cmd completion
	iommu/iova: Don't BUG on invalid PFNs
	drm/amdkfd: Fix reference count leaks.
	drm/radeon: fix multiple reference count leak
	drm/amdgpu: fix ref count leak in amdgpu_driver_open_kms
	drm/amd/display: fix ref count leak in amdgpu_drm_ioctl
	drm/amdgpu: fix ref count leak in amdgpu_display_crtc_set_config
	drm/amdgpu/display: fix ref count leak when pm_runtime_get_sync fails
	scsi: lpfc: Fix shost refcount mismatch when deleting vport
	xfs: Don't allow logging of XFS_ISTALE inodes
	selftests/powerpc: Purge extra count_pmc() calls of ebb selftests
	f2fs: fix error path in do_recover_data()
	omapfb: fix multiple reference count leaks due to pm_runtime_get_sync
	PCI: Fix pci_create_slot() reference count leak
	ARM: dts: ls1021a: output PPS signal on FIPER2
	rtlwifi: rtl8192cu: Prevent leaking urb
	mips/vdso: Fix resource leaks in genvdso.c
	cec-api: prevent leaking memory through hole in structure
	HID: quirks: add NOGET quirk for Logitech GROUP
	f2fs: fix use-after-free issue
	drm/nouveau/drm/noveau: fix reference count leak in nouveau_fbcon_open
	drm/nouveau: fix reference count leak in nv50_disp_atomic_commit
	drm/nouveau: Fix reference count leak in nouveau_connector_detect
	locking/lockdep: Fix overflow in presentation of average lock-time
	btrfs: file: reserve qgroup space after the hole punch range is locked
	scsi: iscsi: Do not put host in iscsi_set_flashnode_param()
	ceph: fix potential mdsc use-after-free crash
	scsi: fcoe: Memory leak fix in fcoe_sysfs_fcf_del()
	EDAC/ie31200: Fallback if host bridge device is already initialized
	KVM: arm64: Fix symbol dependency in __hyp_call_panic_nvhe
	powerpc/spufs: add CONFIG_COREDUMP dependency
	USB: sisusbvga: Fix a potential UB casued by left shifting a negative value
	efi: provide empty efi_enter_virtual_mode implementation
	Revert "ath10k: fix DMA related firmware crashes on multiple devices"
	media: gpio-ir-tx: improve precision of transmitted signal due to scheduling
	drm/msm/adreno: fix updating ring fence
	nvme-fc: Fix wrong return value in __nvme_fc_init_request()
	null_blk: fix passing of REQ_FUA flag in null_handle_rq
	i2c: rcar: in slave mode, clear NACK earlier
	usb: gadget: f_tcm: Fix some resource leaks in some error paths
	jbd2: make sure jh have b_transaction set in refile/unfile_buffer
	ext4: don't BUG on inconsistent journal feature
	ext4: handle read only external journal device
	jbd2: abort journal if free a async write error metadata buffer
	ext4: handle option set by mount flags correctly
	ext4: handle error of ext4_setup_system_zone() on remount
	ext4: correctly restore system zone info when remount fails
	fs: prevent BUG_ON in submit_bh_wbc()
	spi: stm32: fix stm32_spi_prepare_mbr in case of odd clk_rate
	s390/cio: add cond_resched() in the slow_eval_known_fn() loop
	ASoC: wm8994: Avoid attempts to read unreadable registers
	scsi: fcoe: Fix I/O path allocation
	scsi: ufs: Fix possible infinite loop in ufshcd_hold
	scsi: ufs: Improve interrupt handling for shared interrupts
	scsi: ufs: Clean up completed request without interrupt notification
	scsi: qla2xxx: Check if FW supports MQ before enabling
	scsi: qla2xxx: Fix null pointer access during disconnect from subsystem
	Revert "scsi: qla2xxx: Fix crash on qla2x00_mailbox_command"
	macvlan: validate setting of multiple remote source MAC addresses
	net: gianfar: Add of_node_put() before goto statement
	powerpc/perf: Fix soft lockups due to missed interrupt accounting
	block: loop: set discard granularity and alignment for block device backed loop
	HID: i2c-hid: Always sleep 60ms after I2C_HID_PWR_ON commands
	blk-mq: order adding requests to hctx->dispatch and checking SCHED_RESTART
	btrfs: reset compression level for lzo on remount
	btrfs: fix space cache memory leak after transaction abort
	fbcon: prevent user font height or width change from causing potential out-of-bounds access
	USB: lvtest: return proper error code in probe
	vt: defer kfree() of vc_screenbuf in vc_do_resize()
	vt_ioctl: change VT_RESIZEX ioctl to check for error return from vc_resize()
	serial: samsung: Removes the IRQ not found warning
	serial: pl011: Fix oops on -EPROBE_DEFER
	serial: pl011: Don't leak amba_ports entry on driver register error
	serial: 8250_exar: Fix number of ports for Commtech PCIe cards
	serial: 8250: change lock order in serial8250_do_startup()
	writeback: Protect inode->i_io_list with inode->i_lock
	writeback: Avoid skipping inode writeback
	writeback: Fix sync livelock due to b_dirty_time processing
	XEN uses irqdesc::irq_data_common::handler_data to store a per interrupt XEN data pointer which contains XEN specific information.
	usb: host: xhci: fix ep context print mismatch in debugfs
	xhci: Do warm-reset when both CAS and XDEV_RESUME are set
	xhci: Always restore EP_SOFT_CLEAR_TOGGLE even if ep reset failed
	PM: sleep: core: Fix the handling of pending runtime resume requests
	device property: Fix the secondary firmware node handling in set_primary_fwnode()
	genirq/matrix: Deal with the sillyness of for_each_cpu() on UP
	irqchip/stm32-exti: Avoid losing interrupts due to clearing pending bits by mistake
	drm/amdgpu: Fix buffer overflow in INFO ioctl
	drm/amd/pm: correct Vega10 swctf limit setting
	drm/amd/pm: correct Vega12 swctf limit setting
	USB: yurex: Fix bad gfp argument
	usb: uas: Add quirk for PNY Pro Elite
	USB: quirks: Add no-lpm quirk for another Raydium touchscreen
	USB: quirks: Ignore duplicate endpoint on Sound Devices MixPre-D
	USB: Ignore UAS for JMicron JMS567 ATA/ATAPI Bridge
	usb: host: ohci-exynos: Fix error handling in exynos_ohci_probe()
	USB: gadget: u_f: add overflow checks to VLA macros
	USB: gadget: f_ncm: add bounds checks to ncm_unwrap_ntb()
	USB: gadget: u_f: Unbreak offset calculation in VLAs
	USB: cdc-acm: rework notification_buffer resizing
	usb: storage: Add unusual_uas entry for Sony PSZ drives
	btrfs: check the right error variable in btrfs_del_dir_entries_in_log
	usb: dwc3: gadget: Don't setup more than requested
	usb: dwc3: gadget: Fix handling ZLP
	usb: dwc3: gadget: Handle ZLP for sg requests
	tpm: Unify the mismatching TPM space buffer sizes
	HID: hiddev: Fix slab-out-of-bounds write in hiddev_ioctl_usage()
	ALSA: usb-audio: Update documentation comment for MS2109 quirk
	Linux 4.19.143

Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: I8b6e29eda77bd69df30132842cf28019c8e7c1a3

142 files changed, 1047 insertions, 425 deletions

diff --git a/Makefile b/Makefile
index c8f26a58228c..0ed6c27eefaf 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 4
 PATCHLEVEL = 19
-SUBLEVEL = 142
+SUBLEVEL = 143
 EXTRAVERSION =
 NAME = "People's Front"
 
diff --git a/arch/arm/boot/dts/ls1021a.dtsi b/arch/arm/boot/dts/ls1021a.dtsi
index 074b4ec520c6..d18c04326444 100644
--- a/arch/arm/boot/dts/ls1021a.dtsi
+++ b/arch/arm/boot/dts/ls1021a.dtsi
@@ -609,7 +609,7 @@
 			fsl,tmr-prsc    = <2>;
 			fsl,tmr-add     = <0xaaaaaaab>;
 			fsl,tmr-fiper1  = <999999995>;
-			fsl,tmr-fiper2  = <99990>;
+			fsl,tmr-fiper2  = <999999995>;
 			fsl,max-adj     = <499999999>;
 		};
 
diff --git a/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi b/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi
index 60d218c5275c..6754817658fa 100644
--- a/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8916-pins.dtsi
@@ -529,7 +529,7 @@
 				pins = "gpio63", "gpio64", "gpio65", "gpio66",
 				       "gpio67", "gpio68";
 				drive-strength = <2>;
-				bias-disable;
+				bias-pull-down;
 			};
 		};
 	};
diff --git a/arch/arm64/kvm/hyp/switch.c b/arch/arm64/kvm/hyp/switch.c
index f3978931aaf4..3cdefd84af54 100644
--- a/arch/arm64/kvm/hyp/switch.c
+++ b/arch/arm64/kvm/hyp/switch.c
@@ -626,7 +626,7 @@ static void __hyp_text __hyp_call_panic_nvhe(u64 spsr, u64 elr, u64 par,
 	 * making sure it is a kernel address and not a PC-relative
 	 * reference.
 	 */
-	asm volatile("ldr %0, =__hyp_panic_string" : "=r" (str_va));
+	asm volatile("ldr %0, =%1" : "=r" (str_va) : "S" (__hyp_panic_string));
 
 	__hyp_do_panic(str_va,
 		       spsr,  elr,
diff --git a/arch/mips/vdso/genvdso.c b/arch/mips/vdso/genvdso.c
index 530a36f465ce..afcc86726448 100644
--- a/arch/mips/vdso/genvdso.c
+++ b/arch/mips/vdso/genvdso.c
@@ -126,6 +126,7 @@ static void *map_vdso(const char *path, size_t *_size)
 	if (fstat(fd, &stat) != 0) {
 		fprintf(stderr, "%s: Failed to stat '%s': %s\n", program_name,
 			path, strerror(errno));
+		close(fd);
 		return NULL;
 	}
 
@@ -134,6 +135,7 @@ static void *map_vdso(const char *path, size_t *_size)
 	if (addr == MAP_FAILED) {
 		fprintf(stderr, "%s: Failed to map '%s': %s\n", program_name,
 			path, strerror(errno));
+		close(fd);
 		return NULL;
 	}
 
@@ -143,6 +145,7 @@ static void *map_vdso(const char *path, size_t *_size)
 	if (memcmp(ehdr->e_ident, ELFMAG, SELFMAG) != 0) {
 		fprintf(stderr, "%s: '%s' is not an ELF file\n", program_name,
 			path);
+		close(fd);
 		return NULL;
 	}
 
@@ -154,6 +157,7 @@ static void *map_vdso(const char *path, size_t *_size)
 	default:
 		fprintf(stderr, "%s: '%s' has invalid ELF class\n",
 			program_name, path);
+		close(fd);
 		return NULL;
 	}
 
@@ -165,6 +169,7 @@ static void *map_vdso(const char *path, size_t *_size)
 	default:
 		fprintf(stderr, "%s: '%s' has invalid ELF data order\n",
 			program_name, path);
+		close(fd);
 		return NULL;
 	}
 
@@ -172,15 +177,18 @@ static void *map_vdso(const char *path, size_t *_size)
 		fprintf(stderr,
 			"%s: '%s' has invalid ELF machine (expected EM_MIPS)\n",
 			program_name, path);
+		close(fd);
 		return NULL;
 	} else if (swap_uint16(ehdr->e_type) != ET_DYN) {
 		fprintf(stderr,
 			"%s: '%s' has invalid ELF type (expected ET_DYN)\n",
 			program_name, path);
+		close(fd);
 		return NULL;
 	}
 
 	*_size = stat.st_size;
+	close(fd);
 	return addr;
 }
 
@@ -284,10 +292,12 @@ int main(int argc, char **argv)
 	/* Calculate and write symbol offsets to <output file> */
 	if (!get_symbols(dbg_vdso_path, dbg_vdso)) {
 		unlink(out_path);
+		fclose(out_file);
 		return EXIT_FAILURE;
 	}
 
 	fprintf(out_file, "};\n");
+	fclose(out_file);
 
 	return EXIT_SUCCESS;
 }
diff --git a/arch/powerpc/kernel/cpu_setup_power.S b/arch/powerpc/kernel/cpu_setup_power.S
index 458b928dbd84..5bef78e2b4c1 100644
--- a/arch/powerpc/kernel/cpu_setup_power.S
+++ b/arch/powerpc/kernel/cpu_setup_power.S
@@ -183,7 +183,7 @@ __init_LPCR_ISA300:
 
 __init_FSCR:
 	mfspr	r3,SPRN_FSCR
-	ori	r3,r3,FSCR_TAR|FSCR_DSCR|FSCR_EBB
+	ori	r3,r3,FSCR_TAR|FSCR_EBB
 	mtspr	SPRN_FSCR,r3
 	blr
 
diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c
index 680458064bb5..f227e7b7e6fc 100644
--- a/arch/powerpc/perf/core-book3s.c
+++ b/arch/powerpc/perf/core-book3s.c
@@ -2085,6 +2085,10 @@ static void record_and_restart(struct perf_event *event, unsigned long val,
 
 		if (perf_event_overflow(event, &data, regs))
 			power_pmu_stop(event, 0);
+	} else if (period) {
+		/* Account for interrupt in case of invalid SIAR */
+		if (perf_event_account_interrupt(event))
+			power_pmu_stop(event, 0);
 	}
 }
 
diff --git a/arch/powerpc/platforms/cell/Kconfig b/arch/powerpc/platforms/cell/Kconfig
index 9f5958f16923..741a8fa8a3e6 100644
--- a/arch/powerpc/platforms/cell/Kconfig
+++ b/arch/powerpc/platforms/cell/Kconfig
@@ -46,6 +46,7 @@ config SPU_FS
 	tristate "SPU file system"
 	default m
 	depends on PPC_CELL
+	depends on COREDUMP
 	select SPU_BASE
 	help
 	  The SPU file system is used to access Synergistic Processing
diff --git a/arch/powerpc/sysdev/xive/native.c b/arch/powerpc/sysdev/xive/native.c
index cb1f51ad48e4..411f785cdfb5 100644
--- a/arch/powerpc/sysdev/xive/native.c
+++ b/arch/powerpc/sysdev/xive/native.c
@@ -22,6 +22,7 @@
 #include <linux/delay.h>
 #include <linux/cpumask.h>
 #include <linux/mm.h>
+#include <linux/kmemleak.h>
 
 #include <asm/prom.h>
 #include <asm/io.h>
@@ -627,6 +628,7 @@ static bool xive_native_provision_pages(void)
 			pr_err("Failed to allocate provisioning page\n");
 			return false;
 		}
+		kmemleak_ignore(p);
 		opal_xive_donate_page(chip, __pa(p));
 	}
 	return true;
diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c
index da1de190a3b1..d89a757cbde0 100644
--- a/block/blk-mq-sched.c
+++ b/block/blk-mq-sched.c
@@ -69,6 +69,15 @@ void blk_mq_sched_restart(struct blk_mq_hw_ctx *hctx)
 		return;
 	clear_bit(BLK_MQ_S_SCHED_RESTART, &hctx->state);
 
+	/*
+	 * Order clearing SCHED_RESTART and list_empty_careful(&hctx->dispatch)
+	 * in blk_mq_run_hw_queue(). Its pair is the barrier in
+	 * blk_mq_dispatch_rq_list(). So dispatch code won't see SCHED_RESTART,
+	 * meantime new request added to hctx->dispatch is missed to check in
+	 * blk_mq_run_hw_queue().
+	 */
+	smp_mb();
+
 	blk_mq_run_hw_queue(hctx, true);
 }
 
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 684acaa96db7..db2db0b70d34 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -1222,6 +1222,15 @@ bool blk_mq_dispatch_rq_list(struct request_queue *q, struct list_head *list,
 		spin_unlock(&hctx->lock);
 
 		/*
+		 * Order adding requests to hctx->dispatch and checking
+		 * SCHED_RESTART flag. The pair of this smp_mb() is the one
+		 * in blk_mq_sched_restart(). Avoid restart code path to
+		 * miss the new added requests to hctx->dispatch, meantime
+		 * SCHED_RESTART is observed here.
+		 */
+		smp_mb();
+
+		/*
 		 * If SCHED_RESTART was set by the caller of this function and
 		 * it is no longer set that means that it was cleared by another
 		 * thread and hence that a queue rerun is needed.
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 78ce08efbe1d..f6153654968c 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -3777,9 +3777,9 @@ static inline bool fwnode_is_primary(struct fwnode_handle *fwnode)
  */
 void set_primary_fwnode(struct device *dev, struct fwnode_handle *fwnode)
 {
-	if (fwnode) {
-		struct fwnode_handle *fn = dev->fwnode;
+	struct fwnode_handle *fn = dev->fwnode;
 
+	if (fwnode) {
 		if (fwnode_is_primary(fn))
 			fn = fn->secondary;
 
@@ -3789,8 +3789,12 @@ void set_primary_fwnode(struct device *dev, struct fwnode_handle *fwnode)
 		}
 		dev->fwnode = fwnode;
 	} else {
-		dev->fwnode = fwnode_is_primary(dev->fwnode) ?
-			dev->fwnode->secondary : NULL;
+		if (fwnode_is_primary(fn)) {
+			dev->fwnode = fn->secondary;
+			fn->secondary = NULL;
+		} else {
+			dev->fwnode = NULL;
+		}
 	}
 }
 EXPORT_SYMBOL_GPL(set_primary_fwnode);
diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c
index 32058a438201..aa4908c2560f 100644
--- a/drivers/base/power/main.c
+++ b/drivers/base/power/main.c
@@ -1763,13 +1763,17 @@ static int __device_suspend(struct device *dev, pm_message_t state, bool async)
 	}
 
 	/*
-	 * If a device configured to wake up the system from sleep states
-	 * has been suspended at run time and there's a resume request pending
-	 * for it, this is equivalent to the device signaling wakeup, so the
-	 * system suspend operation should be aborted.
+	 * Wait for possible runtime PM transitions of the device in progress
+	 * to complete and if there's a runtime resume request pending for it,
+	 * resume it before proceeding with invoking the system-wide suspend
+	 * callbacks for it.
+	 *
+	 * If the system-wide suspend callbacks below change the configuration
+	 * of the device, they must disable runtime PM for it or otherwise
+	 * ensure that its runtime-resume callbacks will not be confused by that
+	 * change in case they are invoked going forward.
 	 */
-	if (pm_runtime_barrier(dev) && device_may_wakeup(dev))
-		pm_wakeup_event(dev, 0);
+	pm_runtime_barrier(dev);
 
 	if (pm_wakeup_pending()) {
 		dev->power.direct_complete = false;
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index d0b1273dc451..5094ef15afd9 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -877,6 +877,7 @@ static void loop_config_discard(struct loop_device *lo)
 	struct file *file = lo->lo_backing_file;
 	struct inode *inode = file->f_mapping->host;
 	struct request_queue *q = lo->lo_queue;
+	u32 granularity, max_discard_sectors;
 
 	/*
 	 * If the backing device is a block device, mirror its zeroing
@@ -889,11 +890,10 @@ static void loop_config_discard(struct loop_device *lo)
 		struct request_queue *backingq;
 
 		backingq = bdev_get_queue(inode->i_bdev);
-		blk_queue_max_discard_sectors(q,
-			backingq->limits.max_write_zeroes_sectors);
 
-		blk_queue_max_write_zeroes_sectors(q,
-			backingq->limits.max_write_zeroes_sectors);
+		max_discard_sectors = backingq->limits.max_write_zeroes_sectors;
+		granularity = backingq->limits.discard_granularity ?:
+			queue_physical_block_size(backingq);
 
 	/*
 	 * We use punch hole to reclaim the free space used by the
@@ -902,23 +902,26 @@ static void loop_config_discard(struct loop_device *lo)
 	 * useful information.
 	 */
 	} else if (!file->f_op->fallocate || lo->lo_encrypt_key_size) {
-		q->limits.discard_granularity = 0;
-		q->limits.discard_alignment = 0;
-		blk_queue_max_discard_sectors(q, 0);
-		blk_queue_max_write_zeroes_sectors(q, 0);
+		max_discard_sectors = 0;
+		granularity = 0;
 
 	} else {
-		q->limits.discard_granularity = inode->i_sb->s_blocksize;
-		q->limits.discard_alignment = 0;
-
-		blk_queue_max_discard_sectors(q, UINT_MAX >> 9);
-		blk_queue_max_write_zeroes_sectors(q, UINT_MAX >> 9);
+		max_discard_sectors = UINT_MAX >> 9;
+		granularity = inode->i_sb->s_blocksize;
 	}
 
-	if (q->limits.max_write_zeroes_sectors)
+	if (max_discard_sectors) {
+		q->limits.discard_granularity = granularity;
+		blk_queue_max_discard_sectors(q, max_discard_sectors);
+		blk_queue_max_write_zeroes_sectors(q, max_discard_sectors);
 		blk_queue_flag_set(QUEUE_FLAG_DISCARD, q);
-	else
+	} else {
+		q->limits.discard_granularity = 0;
+		blk_queue_max_discard_sectors(q, 0);
+		blk_queue_max_write_zeroes_sectors(q, 0);
 		blk_queue_flag_clear(QUEUE_FLAG_DISCARD, q);
+	}
+	q->limits.discard_alignment = 0;
 }
 
 static void loop_unprepare_queue(struct loop_device *lo)
diff --git a/drivers/block/null_blk_main.c b/drivers/block/null_blk_main.c
index d2d7dc9cd58d..4fef1fb918ec 100644
--- a/drivers/block/null_blk_main.c
+++ b/drivers/block/null_blk_main.c
@@ -1086,7 +1086,7 @@ static int null_handle_rq(struct nullb_cmd *cmd)
 		len = bvec.bv_len;
 		err = null_transfer(nullb, bvec.bv_page, len, bvec.bv_offset,
 				     op_is_write(req_op(rq)), sector,
-				     req_op(rq) & REQ_FUA);
+				     rq->cmd_flags & REQ_FUA);
 		if (err) {
 			spin_unlock_irq(&nullb->lock);
 			return err;
diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c
index 4946c5b37d04..f79f87794273 100644
--- a/drivers/char/tpm/tpm-chip.c
+++ b/drivers/char/tpm/tpm-chip.c
@@ -276,13 +276,8 @@ struct tpm_chip *tpm_chip_alloc(struct device *pdev,
 	chip->cdev.owner = THIS_MODULE;
 	chip->cdevs.owner = THIS_MODULE;
 
-	chip->work_space.context_buf = kzalloc(PAGE_SIZE, GFP_KERNEL);
-	if (!chip->work_space.context_buf) {
-		rc = -ENOMEM;
-		goto out;
-	}
-	chip->work_space.session_buf = kzalloc(PAGE_SIZE, GFP_KERNEL);
-	if (!chip->work_space.session_buf) {
+	rc = tpm2_init_space(&chip->work_space, TPM2_SPACE_BUFFER_SIZE);
+	if (rc) {
 		rc = -ENOMEM;
 		goto out;
 	}
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index 289221d653cb..b9a30f0b8825 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -188,6 +188,7 @@ struct tpm_space {
 	u8 *context_buf;
 	u32 session_tbl[3];
 	u8 *session_buf;
+	u32 buf_size;
 };
 
 enum tpm_chip_flags {
@@ -278,6 +279,9 @@ struct tpm_output_header {
 
 #define TPM_TAG_RQU_COMMAND 193
 
+/* TPM2 specific constants. */
+#define TPM2_SPACE_BUFFER_SIZE		16384 /* 16 kB */
+
 struct	stclear_flags_t {
 	__be16	tag;
 	u8	deactivated;
@@ -595,7 +599,7 @@ void tpm2_shutdown(struct tpm_chip *chip, u16 shutdown_type);
 unsigned long tpm2_calc_ordinal_duration(struct tpm_chip *chip, u32 ordinal);
 int tpm2_probe(struct tpm_chip *chip);
 int tpm2_find_cc(struct tpm_chip *chip, u32 cc);
-int tpm2_init_space(struct tpm_space *space);
+int tpm2_init_space(struct tpm_space *space, unsigned int buf_size);
 void tpm2_del_space(struct tpm_chip *chip, struct tpm_space *space);
 int tpm2_prepare_space(struct tpm_chip *chip, struct tpm_space *space, u32 cc,
 		       u8 *cmd);
diff --git a/drivers/char/tpm/tpm2-space.c b/drivers/char/tpm/tpm2-space.c
index d2e101b32482..9f4e22dcde27 100644
--- a/drivers/char/tpm/tpm2-space.c
+++ b/drivers/char/tpm/tpm2-space.c
@@ -43,18 +43,21 @@ static void tpm2_flush_sessions(struct tpm_chip *chip, struct tpm_space *space)
 	}
 }
 
-int tpm2_init_space(struct tpm_space *space)
+int tpm2_init_space(struct tpm_space *space, unsigned int buf_size)
 {
-	space->context_buf = kzalloc(PAGE_SIZE, GFP_KERNEL);
+	space->context_buf = kzalloc(buf_size, GFP_KERNEL);
 	if (!space->context_buf)
 		return -ENOMEM;
 
-	space->session_buf = kzalloc(PAGE_SIZE, GFP_KERNEL);
+	space->session_buf = kzalloc(buf_size, GFP_KERNEL);
 	if (space->session_buf == NULL) {
 		kfree(space->context_buf);
+		/* Prevent caller getting a dangling pointer. */
+		space->context_buf = NULL;
 		return -ENOMEM;
 	}
 
+	space->buf_size = buf_size;
 	return 0;
 }
 
@@ -276,8 +279,10 @@ int tpm2_prepare_space(struct tpm_chip *chip, struct tpm_space *space, u32 cc,
 	       sizeof(space->context_tbl));
 	memcpy(&chip->work_space.session_tbl, &space->session_tbl,
 	       sizeof(space->session_tbl));
-	memcpy(chip->work_space.context_buf, space->context_buf, PAGE_SIZE);
-	memcpy(chip->work_space.session_buf, space->session_buf, PAGE_SIZE);
+	memcpy(chip->work_space.context_buf, space->context_buf,
+	       space->buf_size);
+	memcpy(chip->work_space.session_buf, space->session_buf,
+	       space->buf_size);
 
 	rc = tpm2_load_space(chip);
 	if (rc) {
@@ -456,7 +461,7 @@ static int tpm2_save_space(struct tpm_chip *chip)
 			continue;
 
 		rc = tpm2_save_context(chip, space->context_tbl[i],
-				       space->context_buf, PAGE_SIZE,
+				       space->context_buf, space->buf_size,
 				       &offset);
 		if (rc == -ENOENT) {
 			space->context_tbl[i] = 0;
@@ -474,9 +479,8 @@ static int tpm2_save_space(struct tpm_chip *chip)
 			continue;
 
 		rc = tpm2_save_context(chip, space->session_tbl[i],
-				       space->session_buf, PAGE_SIZE,
+				       space->session_buf, space->buf_size,
 				       &offset);
-
 		if (rc == -ENOENT) {
 			/* handle error saving session, just forget it */
 			space->session_tbl[i] = 0;
@@ -522,8 +526,10 @@ int tpm2_commit_space(struct tpm_chip *chip, struct tpm_space *space,
 	       sizeof(space->context_tbl));
 	memcpy(&space->session_tbl, &chip->work_space.session_tbl,
 	       sizeof(space->session_tbl));
-	memcpy(space->context_buf, chip->work_space.context_buf, PAGE_SIZE);
-	memcpy(space->session_buf, chip->work_space.session_buf, PAGE_SIZE);
+	memcpy(space->context_buf, chip->work_space.context_buf,
+	       space->buf_size);
+	memcpy(space->session_buf, chip->work_space.session_buf,
+	       space->buf_size);
 
 	return 0;
 }
diff --git a/drivers/char/tpm/tpmrm-dev.c b/drivers/char/tpm/tpmrm-dev.c
index 1a0e97a5da5a..162fb16243d0 100644
--- a/drivers/char/tpm/tpmrm-dev.c
+++ b/drivers/char/tpm/tpmrm-dev.c
@@ -22,7 +22,7 @@ static int tpmrm_open(struct inode *inode, struct file *file)
 	if (priv == NULL)
 		return -ENOMEM;
 
-	rc = tpm2_init_space(&priv->space);
+	rc = tpm2_init_space(&priv->space, TPM2_SPACE_BUFFER_SIZE);
 	if (rc) {
 		kfree(priv);
 		return -ENOMEM;
diff --git a/drivers/edac/ie31200_edac.c b/drivers/edac/ie31200_edac.c
index aac9b9b360b8..9e4781a807cf 100644
--- a/drivers/edac/ie31200_edac.c
+++ b/drivers/edac/ie31200_edac.c
@@ -147,6 +147,8 @@
 	(n << (28 + (2 * skl) - PAGE_SHIFT))
 
 static int nr_channels;
+static struct pci_dev *mci_pdev;
+static int ie31200_registered = 1;
 
 struct ie31200_priv {
 	void __iomem *window;
@@ -518,12 +520,16 @@ fail_free:
 static int ie31200_init_one(struct pci_dev *pdev,
 			    const struct pci_device_id *ent)
 {
-	edac_dbg(0, "MC:\n");
+	int rc;
 
+	edac_dbg(0, "MC:\n");
 	if (pci_enable_device(pdev) < 0)
 		return -EIO;
+	rc = ie31200_probe1(pdev, ent->driver_data);
+	if (rc == 0 && !mci_pdev)
+		mci_pdev = pci_dev_get(pdev);
 
-	return ie31200_probe1(pdev, ent->driver_data);
+	return rc;
 }
 
 static void ie31200_remove_one(struct pci_dev *pdev)
@@ -532,6 +538,8 @@ static void ie31200_remove_one(struct pci_dev *pdev)
 	struct ie31200_priv *priv;
 
 	edac_dbg(0, "\n");
+	pci_dev_put(mci_pdev);
+	mci_pdev = NULL;
 	mci = edac_mc_del_mc(&pdev->dev);
 	if (!mci)
 		return;
@@ -583,17 +591,53 @@ static struct pci_driver ie31200_driver = {
 
 static int __init ie31200_init(void)
 {
+	int pci_rc, i;
+
 	edac_dbg(3, "MC:\n");
 	/* Ensure that the OPSTATE is set correctly for POLL or NMI */
 	opstate_init();
 
-	return pci_register_driver(&ie31200_driver);
+	pci_rc = pci_register_driver(&ie31200_driver);
+	if (pci_rc < 0)
+		goto fail0;
+
+	if (!mci_pdev) {
+		ie31200_registered = 0;
+		for (i = 0; ie31200_pci_tbl[i].vendor != 0; i++) {
+			mci_pdev = pci_get_device(ie31200_pci_tbl[i].vendor,
+						  ie31200_pci_tbl[i].device,
+						  NULL);
+			if (mci_pdev)
+				break;
+		}
+		if (!mci_pdev) {
+			edac_dbg(0, "ie31200 pci_get_device fail\n");
+			pci_rc = -ENODEV;
+			goto fail1;
+		}
+		pci_rc = ie31200_init_one(mci_pdev, &ie31200_pci_tbl[i]);
+		if (pci_rc < 0) {
+			edac_dbg(0, "ie31200 init fail\n");
+			pci_rc = -ENODEV;
+			goto fail1;
+		}
+	}
+	return 0;
+
+fail1:
+	pci_unregister_driver(&ie31200_driver);
+fail0:
+	pci_dev_put(mci_pdev);
+
+	return pci_rc;
 }
 
 static void __exit ie31200_exit(void)
 {
 	edac_dbg(3, "MC:\n");
 	pci_unregister_driver(&ie31200_driver);
+	if (!ie31200_registered)
+		ie31200_remove_one(mci_pdev);
 }
 
 module_init(ie31200_init);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
index c770d73352a7..c15286858f0b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c
@@ -718,8 +718,10 @@ amdgpu_connector_lvds_detect(struct drm_connector *connector, bool force)
 
 	if (!drm_kms_helper_is_poll_worker()) {
 		r = pm_runtime_get_sync(connector->dev->dev);
-		if (r < 0)
+		if (r < 0) {
+			pm_runtime_put_autosuspend(connector->dev->dev);
 			return connector_status_disconnected;
+		}
 	}
 
 	if (encoder) {
@@ -856,8 +858,10 @@ amdgpu_connector_vga_detect(struct drm_connector *connector, bool force)
 
 	if (!drm_kms_helper_is_poll_worker()) {
 		r = pm_runtime_get_sync(connector->dev->dev);
-		if (r < 0)
+		if (r < 0) {
+			pm_runtime_put_autosuspend(connector->dev->dev);
 			return connector_status_disconnected;
+		}
 	}
 
 	encoder = amdgpu_connector_best_single_encoder(connector);
@@ -979,8 +983,10 @@ amdgpu_connector_dvi_detect(struct drm_connector *connector, bool force)
 
 	if (!drm_kms_helper_is_poll_worker()) {
 		r = pm_runtime_get_sync(connector->dev->dev);
-		if (r < 0)
+		if (r < 0) {
+			pm_runtime_put_autosuspend(connector->dev->dev);
 			return connector_status_disconnected;
+		}
 	}
 
 	if (!force && amdgpu_connector_check_hpd_status_unchanged(connector)) {
@@ -1329,8 +1335,10 @@ amdgpu_connector_dp_detect(struct drm_connector *connector, bool force)
 
 	if (!drm_kms_helper_is_poll_worker()) {
 		r = pm_runtime_get_sync(connector->dev->dev);
-		if (r < 0)
+		if (r < 0) {
+			pm_runtime_put_autosuspend(connector->dev->dev);
 			return connector_status_disconnected;
+		}
 	}
 
 	if (!force && amdgpu_connector_check_hpd_status_unchanged(connector)) {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
index 686a26de50f9..049a1961c3fa 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_display.c
@@ -275,7 +275,7 @@ int amdgpu_display_crtc_set_config(struct drm_mode_set *set,
 
 	ret = pm_runtime_get_sync(dev->dev);
 	if (ret < 0)
-		return ret;
+		goto out;
 
 	ret = drm_crtc_helper_set_config(set, ctx);
 
@@ -290,7 +290,7 @@ int amdgpu_display_crtc_set_config(struct drm_mode_set *set,
 	   take the current one */
 	if (active && !adev->have_disp_power_ref) {
 		adev->have_disp_power_ref = true;
-		return ret;
+		goto out;
 	}
 	/* if we have no active crtcs, then drop the power ref
 	   we got before */
@@ -299,6 +299,7 @@ int amdgpu_display_crtc_set_config(struct drm_mode_set *set,
 		adev->have_disp_power_ref = false;
 	}
 
+out:
 	/* drop the power reference we got coming in here */
 	pm_runtime_put_autosuspend(dev->dev);
 	return ret;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 5e29f14f4b30..63b1e325b45c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -1085,11 +1085,12 @@ long amdgpu_drm_ioctl(struct file *filp,
 	dev = file_priv->minor->dev;
 	ret = pm_runtime_get_sync(dev->dev);
 	if (ret < 0)
-		return ret;
+		goto out;
 
 	ret = drm_ioctl(filp, cmd, arg);
 
 	pm_runtime_mark_last_busy(dev->dev);
+out:
 	pm_runtime_put_autosuspend(dev->dev);
 	return ret;
 }
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index bb41936df0d9..dd9b8feb3a66 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -524,8 +524,12 @@ static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file
 		 * in the bitfields */
 		if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK)
 			se_num = 0xffffffff;
+		else if (se_num >= AMDGPU_GFX_MAX_SE)
+			return -EINVAL;
 		if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK)
 			sh_num = 0xffffffff;
+		else if (sh_num >= AMDGPU_GFX_MAX_SH_PER_SE)
+			return -EINVAL;
 
 		if (info->read_mmr_reg.count > 128)
 			return -EINVAL;
@@ -835,7 +839,7 @@ int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
 
 	r = pm_runtime_get_sync(dev->dev);
 	if (r < 0)
-		return r;
+		goto pm_put;
 
 	fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
 	if (unlikely(!fpriv)) {
@@ -883,6 +887,7 @@ error_pasid:
 
 out_suspend:
 	pm_runtime_mark_last_busy(dev->dev);
+pm_put:
 	pm_runtime_put_autosuspend(dev->dev);
 
 	return r;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
index 0805c423a5ce..5cf499a07806 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_topology.c
@@ -592,8 +592,10 @@ static int kfd_build_sysfs_node_entry(struct kfd_topology_device *dev,
 
 	ret = kobject_init_and_add(dev->kobj_node, &node_type,
 			sys_props.kobj_nodes, "%d", id);
-	if (ret < 0)
+	if (ret < 0) {
+		kobject_put(dev->kobj_node);
 		return ret;
+	}
 
 	dev->kobj_mem = kobject_create_and_add("mem_banks", dev->kobj_node);
 	if (!dev->kobj_mem)
@@ -640,8 +642,10 @@ static int kfd_build_sysfs_node_entry(struct kfd_topology_device *dev,
 			return -ENOMEM;
 		ret = kobject_init_and_add(mem->kobj, &mem_type,
 				dev->kobj_mem, "%d", i);
-		if (ret < 0)
+		if (ret < 0) {
+			kobject_put(mem->kobj);
 			return ret;
+		}
 
 		mem->attr.name = "properties";
 		mem->attr.mode = KFD_SYSFS_FILE_MODE;
@@ -659,8 +663,10 @@ static int kfd_build_sysfs_node_entry(struct kfd_topology_device *dev,
 			return -ENOMEM;
 		ret = kobject_init_and_add(cache->kobj, &cache_type,
 				dev->kobj_cache, "%d", i);
-		if (ret < 0)
+		if (ret < 0) {
+			kobject_put(cache->kobj);
 			return ret;
+		}
 
 		cache->attr.name = "properties";
 		cache->attr.mode = KFD_SYSFS_FILE_MODE;
@@ -678,8 +684,10 @@ static int kfd_build_sysfs_node_entry(struct kfd_topology_device *dev,
 			return -ENOMEM;
 		ret = kobject_init_and_add(iolink->kobj, &iolink_type,
 				dev->kobj_iolink, "%d", i);
-		if (ret < 0)
+		if (ret < 0) {
+			kobject_put(iolink->kobj);
 			return ret;
+		}
 
 		iolink->attr.name = "properties";
 		iolink->attr.mode = KFD_SYSFS_FILE_MODE;
@@ -759,8 +767,10 @@ static int kfd_topology_update_sysfs(void)
 		ret = kobject_init_and_add(sys_props.kobj_topology,
 				&sysprops_type,  &kfd_device->kobj,
 				"topology");
-		if (ret < 0)
+		if (ret < 0) {
+			kobject_put(sys_props.kobj_topology);
 			return ret;
+		}
 
 		sys_props.kobj_nodes = kobject_create_and_add("nodes",
 				sys_props.kobj_topology);
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c
index aa044c1955fe..a2b2a6c67cda 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c
@@ -362,6 +362,9 @@ int vega10_thermal_get_temperature(struct pp_hwmgr *hwmgr)
 static int vega10_thermal_set_temperature_range(struct pp_hwmgr *hwmgr,
 		struct PP_TemperatureRange *range)
 {
+	struct phm_ppt_v2_information *pp_table_info =
+		(struct phm_ppt_v2_information *)(hwmgr->pptable);
+	struct phm_tdp_table *tdp_table = pp_table_info->tdp_table;
 	struct amdgpu_device *adev = hwmgr->adev;
 	int low = VEGA10_THERMAL_MINIMUM_ALERT_TEMP *
 			PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
@@ -371,8 +374,8 @@ static int vega10_thermal_set_temperature_range(struct pp_hwmgr *hwmgr,
 
 	if (low < range->min)
 		low = range->min;
-	if (high > range->max)
-		high = range->max;
+	if (high > tdp_table->usSoftwareShutdownTemp)
+		high = tdp_table->usSoftwareShutdownTemp;
 
 	if (low > high)
 		return -EINVAL;
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_thermal.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_thermal.c
index 904eb2c9155b..601a596e94f0 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_thermal.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega12_thermal.c
@@ -170,6 +170,8 @@ int vega12_thermal_get_temperature(struct pp_hwmgr *hwmgr)
 static int vega12_thermal_set_temperature_range(struct pp_hwmgr *hwmgr,
 		struct PP_TemperatureRange *range)
 {
+	struct phm_ppt_v3_information *pptable_information =
+		(struct phm_ppt_v3_information *)hwmgr->pptable;
 	struct amdgpu_device *adev = hwmgr->adev;
 	int low = VEGA12_THERMAL_MINIMUM_ALERT_TEMP *
 			PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
@@ -179,8 +181,8 @@ static int vega12_thermal_set_temperature_range(struct pp_hwmgr *hwmgr,
 
 	if (low < range->min)
 		low = range->min;
-	if (high > range->max)
-		high = range->max;
+	if (high > pptable_information->us_software_shutdown_temp)
+		high = pptable_information->us_software_shutdown_temp;
 
 	if (low > high)
 		return -EINVAL;
diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
index 93d70f4a2154..c9f831604558 100644
--- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c
+++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c
@@ -221,7 +221,7 @@ int adreno_hw_init(struct msm_gpu *gpu)
 		ring->next = ring->start;
 
 		/* reset completed fence seqno: */
-		ring->memptrs->fence = ring->seqno;
+		ring->memptrs->fence = ring->fctx->completed_fence;
 		ring->memptrs->rptr = 0;
 	}
 
diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
index 10107e551fac..e06ea8c8184c 100644
--- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
+++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
@@ -1920,8 +1920,10 @@ nv50_disp_atomic_commit(struct drm_device *dev,
 	int ret, i;
 
 	ret = pm_runtime_get_sync(dev->dev);
-	if (ret < 0 && ret != -EACCES)
+	if (ret < 0 && ret != -EACCES) {
+		pm_runtime_put_autosuspend(dev->dev);
 		return ret;
+	}
 
 	ret = drm_atomic_helper_setup_commit(state, nonblock);
 	if (ret)
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c
index fb0094fc5583..b71afde8f115 100644
--- a/drivers/gpu/drm/nouveau/nouveau_connector.c
+++ b/drivers/gpu/drm/nouveau/nouveau_connector.c
@@ -551,8 +551,10 @@ nouveau_connector_detect(struct drm_connector *connector, bool force)
 		pm_runtime_get_noresume(dev->dev);
 	} else {
 		ret = pm_runtime_get_sync(dev->dev);
-		if (ret < 0 && ret != -EACCES)
+		if (ret < 0 && ret != -EACCES) {
+			pm_runtime_put_autosuspend(dev->dev);
 			return conn_status;
+		}
 	}
 
 	nv_encoder = nouveau_connector_ddc_detect(connector);
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
index 406cb99af7f2..d4fe52ec4c96 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -189,8 +189,10 @@ nouveau_fbcon_open(struct fb_info *info, int user)
 	struct nouveau_fbdev *fbcon = info->par;
 	struct nouveau_drm *drm = nouveau_drm(fbcon->helper.dev);
 	int ret = pm_runtime_get_sync(drm->dev->dev);
-	if (ret < 0 && ret != -EACCES)
+	if (ret < 0 && ret != -EACCES) {
+		pm_runtime_put(drm->dev->dev);
 		return ret;
+	}
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index de656f555383..b9927101e845 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -882,8 +882,10 @@ radeon_lvds_detect(struct drm_connector *connector, bool force)
 
 	if (!drm_kms_helper_is_poll_worker()) {
 		r = pm_runtime_get_sync(connector->dev->dev);
-		if (r < 0)
+		if (r < 0) {
+			pm_runtime_put_autosuspend(connector->dev->dev);
 			return connector_status_disconnected;
+		}
 	}
 
 	if (encoder) {
@@ -1028,8 +1030,10 @@ radeon_vga_detect(struct drm_connector *connector, bool force)
 
 	if (!drm_kms_helper_is_poll_worker()) {
 		r = pm_runtime_get_sync(connector->dev->dev);
-		if (r < 0)
+		if (r < 0) {
+			pm_runtime_put_autosuspend(connector->dev->dev);
 			return connector_status_disconnected;
+		}
 	}
 
 	encoder = radeon_best_single_encoder(connector);
@@ -1166,8 +1170,10 @@ radeon_tv_detect(struct drm_connector *connector, bool force)
 
 	if (!drm_kms_helper_is_poll_worker()) {
 		r = pm_runtime_get_sync(connector->dev->dev);
-		if (r < 0)
+		if (r < 0) {
+			pm_runtime_put_autosuspend(connector->dev->dev);
 			return connector_status_disconnected;
+		}
 	}
 
 	encoder = radeon_best_single_encoder(connector);
@@ -1250,8 +1256,10 @@ radeon_dvi_detect(struct drm_connector *connector, bool force)
 
 	if (!drm_kms_helper_is_poll_worker()) {
 		r = pm_runtime_get_sync(connector->dev->dev);
-		if (r < 0)
+		if (r < 0) {
+			pm_runtime_put_autosuspend(connector->dev->dev);
 			return connector_status_disconnected;
+		}
 	}
 
 	if (radeon_connector->detected_hpd_without_ddc) {
@@ -1665,8 +1673,10 @@ radeon_dp_detect(struct drm_connector *connector, bool force)
 
 	if (!drm_kms_helper_is_poll_worker()) {
 		r = pm_runtime_get_sync(connector->dev->dev);
-		if (r < 0)
+		if (r < 0) {
+			pm_runtime_put_autosuspend(connector->dev->dev);
 			return connector_status_disconnected;
+		}
 	}
 
 	if (!force && radeon_check_hpd_status_unchanged(connector)) {
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index f89923d1f53c..2fd8109e1c1e 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -756,6 +756,7 @@
 #define USB_DEVICE_ID_LOGITECH_G27_WHEEL	0xc29b
 #define USB_DEVICE_ID_LOGITECH_WII_WHEEL	0xc29c
 #define USB_DEVICE_ID_LOGITECH_ELITE_KBD	0xc30a
+#define USB_DEVICE_ID_LOGITECH_GROUP_AUDIO	0x0882
 #define USB_DEVICE_ID_S510_RECEIVER	0xc50c
 #define USB_DEVICE_ID_S510_RECEIVER_2	0xc517
 #define USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500	0xc512
diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c
index bdde16395b2c..62f87f8bd972 100644
--- a/drivers/hid/hid-quirks.c
+++ b/drivers/hid/hid-quirks.c
@@ -179,6 +179,7 @@ static const struct hid_device_id hid_quirks[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD2, USB_DEVICE_ID_SMARTJOY_DUAL_PLUS), HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_QUAD_USB_JOYPAD), HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE), HID_QUIRK_MULTI_INPUT },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_GROUP_AUDIO), HID_QUIRK_NOGET },
 
 	{ 0 }
 };
diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c
index f17ebbe53abf..1f8d403d3db4 100644
--- a/drivers/hid/i2c-hid/i2c-hid-core.c
+++ b/drivers/hid/i2c-hid/i2c-hid-core.c
@@ -444,6 +444,19 @@ static int i2c_hid_set_power(struct i2c_client *client, int power_state)
 		dev_err(&client->dev, "failed to change power setting.\n");
 
 set_pwr_exit:
+
+	/*
+	 * The HID over I2C specification states that if a DEVICE needs time
+	 * after the PWR_ON request, it should utilise CLOCK stretching.
+	 * However, it has been observered that the Windows driver provides a
+	 * 1ms sleep between the PWR_ON and RESET requests.
+	 * According to Goodix Windows even waits 60 ms after (other?)
+	 * PWR_ON requests. Testing has confirmed that several devices
+	 * will not work properly without a delay after a PWR_ON request.
+	 */
+	if (!ret && power_state == I2C_HID_PWR_ON)
+		msleep(60);
+
 	return ret;
 }
 
@@ -465,15 +478,6 @@ static int i2c_hid_hwreset(struct i2c_client *client)
 	if (ret)
 		goto out_unlock;
 
-	/*
-	 * The HID over I2C specification states that if a DEVICE needs time
-	 * after the PWR_ON request, it should utilise CLOCK stretching.
-	 * However, it has been observered that the Windows driver provides a
-	 * 1ms sleep between the PWR_ON and RESET requests and that some devices
-	 * rely on this.
-	 */
-	usleep_range(1000, 5000);
-
 	i2c_hid_dbg(ihid, "resetting...\n");
 
 	ret = i2c_hid_command(client, &hid_reset_cmd, NULL, 0);
diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c
index c34ef95d7cef..2dff663847c6 100644
--- a/drivers/hid/usbhid/hiddev.c
+++ b/drivers/hid/usbhid/hiddev.c
@@ -532,12 +532,16 @@ static noinline int hiddev_ioctl_usage(struct hiddev *hiddev, unsigned int cmd,
 
 		switch (cmd) {
 		case HIDIOCGUSAGE:
+			if (uref->usage_index >= field->report_count)
+				goto inval;
 			uref->value = field->value[uref->usage_index];
 			if (copy_to_user(user_arg, uref, sizeof(*uref)))
 				goto fault;
 			goto goodreturn;
 
 		case HIDIOCSUSAGE:
+			if (uref->usage_index >= field->report_count)
+				goto inval;
 			field->value[uref->usage_index] = uref->value;
 			goto goodreturn;
 
diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c
index dcdce18fc706..f9029800d399 100644
--- a/drivers/i2c/busses/i2c-rcar.c
+++ b/drivers/i2c/busses/i2c-rcar.c
@@ -594,6 +594,7 @@ static bool rcar_i2c_slave_irq(struct rcar_i2c_priv *priv)
 	/* master sent stop */
 	if (ssr_filtered & SSR) {
 		i2c_slave_event(priv->slave, I2C_SLAVE_STOP, &value);
+		rcar_i2c_write(priv, ICSCR, SIE | SDBS); /* clear our NACK */
 		rcar_i2c_write(priv, ICSIER, SAR);
 		rcar_i2c_write(priv, ICSSR, ~SSR & 0xff);
 	}
diff --git a/drivers/iommu/iova.c b/drivers/iommu/iova.c
index 19259ae3346c..208f25b743af 100644
--- a/drivers/iommu/iova.c
+++ b/drivers/iommu/iova.c
@@ -901,7 +901,9 @@ iova_magazine_free_pfns(struct iova_magazine *mag, struct iova_domain *iovad)
 	for (i = 0 ; i < mag->size; ++i) {
 		struct iova *iova = private_find_iova(iovad, mag->pfns[i]);
 
-		BUG_ON(!iova);
+		if (WARN_ON(!iova))
+			continue;
+
 		private_free_iova(iovad, iova);
 	}
 
diff --git a/drivers/irqchip/irq-stm32-exti.c b/drivers/irqchip/irq-stm32-exti.c
index 97b27f338c30..f605470855f1 100644
--- a/drivers/irqchip/irq-stm32-exti.c
+++ b/drivers/irqchip/irq-stm32-exti.c
@@ -382,6 +382,16 @@ static void stm32_irq_ack(struct irq_data *d)
 	irq_gc_unlock(gc);
 }
 
+/* directly set the target bit without reading first. */
+static inline void stm32_exti_write_bit(struct irq_data *d, u32 reg)
+{
+	struct stm32_exti_chip_data *chip_data = irq_data_get_irq_chip_data(d);
+	void __iomem *base = chip_data->host_data->base;
+	u32 val = BIT(d->hwirq % IRQS_PER_BANK);
+
+	writel_relaxed(val, base + reg);
+}
+
 static inline u32 stm32_exti_set_bit(struct irq_data *d, u32 reg)
 {
 	struct stm32_exti_chip_data *chip_data = irq_data_get_irq_chip_data(d);
@@ -415,9 +425,9 @@ static void stm32_exti_h_eoi(struct irq_data *d)
 
 	raw_spin_lock(&chip_data->rlock);
 
-	stm32_exti_set_bit(d, stm32_bank->rpr_ofst);
+	stm32_exti_write_bit(d, stm32_bank->rpr_ofst);
 	if (stm32_bank->fpr_ofst != UNDEF_REG)
-		stm32_exti_set_bit(d, stm32_bank->fpr_ofst);
+		stm32_exti_write_bit(d, stm32_bank->fpr_ofst);
 
 	raw_spin_unlock(&chip_data->rlock);
 
diff --git a/drivers/media/cec/cec-api.c b/drivers/media/cec/cec-api.c
index 4961573850d5..b2b3f779592f 100644
--- a/drivers/media/cec/cec-api.c
+++ b/drivers/media/cec/cec-api.c
@@ -147,7 +147,13 @@ static long cec_adap_g_log_addrs(struct cec_adapter *adap,
 	struct cec_log_addrs log_addrs;
 
 	mutex_lock(&adap->lock);
-	log_addrs = adap->log_addrs;
+	/*
+	 * We use memcpy here instead of assignment since there is a
+	 * hole at the end of struct cec_log_addrs that an assignment
+	 * might ignore. So when we do copy_to_user() we could leak
+	 * one byte of memory.
+	 */
+	memcpy(&log_addrs, &adap->log_addrs, sizeof(log_addrs));
 	if (!adap->is_configured)
 		memset(log_addrs.log_addr, CEC_LOG_ADDR_INVALID,
 		       sizeof(log_addrs.log_addr));
diff --git a/drivers/media/pci/ttpci/av7110.c b/drivers/media/pci/ttpci/av7110.c
index d6816effb878..d02b5fd940c1 100644
--- a/drivers/media/pci/ttpci/av7110.c
+++ b/drivers/media/pci/ttpci/av7110.c
@@ -424,14 +424,15 @@ static void debiirq(unsigned long cookie)
 	case DATA_CI_GET:
 	{
 		u8 *data = av7110->debi_virt;
+		u8 data_0 = data[0];
 
-		if ((data[0] < 2) && data[2] == 0xff) {
+		if (data_0 < 2 && data[2] == 0xff) {
 			int flags = 0;
 			if (data[5] > 0)
 				flags |= CA_CI_MODULE_PRESENT;
 			if (data[5] > 5)
 				flags |= CA_CI_MODULE_READY;
-			av7110->ci_slot[data[0]].flags = flags;
+			av7110->ci_slot[data_0].flags = flags;
 		} else
 			ci_get_data(&av7110->ci_rbuffer,
 				    av7110->debi_virt,
diff --git a/drivers/media/rc/gpio-ir-tx.c b/drivers/media/rc/gpio-ir-tx.c
index cd476cab9782..4e70b67ccd18 100644
--- a/drivers/media/rc/gpio-ir-tx.c
+++ b/drivers/media/rc/gpio-ir-tx.c
@@ -87,13 +87,8 @@ static int gpio_ir_tx(struct rc_dev *dev, unsigned int *txbuf,
 			// space
 			edge = ktime_add_us(edge, txbuf[i]);
 			delta = ktime_us_delta(edge, ktime_get());
-			if (delta > 10) {
-				spin_unlock_irqrestore(&gpio_ir->lock, flags);
-				usleep_range(delta, delta + 10);
-				spin_lock_irqsave(&gpio_ir->lock, flags);
-			} else if (delta > 0) {
+			if (delta > 0)
 				udelay(delta);
-			}
 		} else {
 			// pulse
 			ktime_t last = ktime_add_us(edge, txbuf[i]);
diff --git a/drivers/mfd/intel-lpss-pci.c b/drivers/mfd/intel-lpss-pci.c
index 742d6c1973f4..adea7ff63132 100644
--- a/drivers/mfd/intel-lpss-pci.c
+++ b/drivers/mfd/intel-lpss-pci.c
@@ -176,6 +176,9 @@ static const struct pci_device_id intel_lpss_pci_ids[] = {
 	{ PCI_VDEVICE(INTEL, 0x1ac4), (kernel_ulong_t)&bxt_info },
 	{ PCI_VDEVICE(INTEL, 0x1ac6), (kernel_ulong_t)&bxt_info },
 	{ PCI_VDEVICE(INTEL, 0x1aee), (kernel_ulong_t)&bxt_uart_info },
+	/* EBG */
+	{ PCI_VDEVICE(INTEL, 0x1bad), (kernel_ulong_t)&bxt_uart_info },
+	{ PCI_VDEVICE(INTEL, 0x1bae), (kernel_ulong_t)&bxt_uart_info },
 	/* GLK */
 	{ PCI_VDEVICE(INTEL, 0x31ac), (kernel_ulong_t)&glk_i2c_info },
 	{ PCI_VDEVICE(INTEL, 0x31ae), (kernel_ulong_t)&glk_i2c_info },
diff --git a/drivers/net/ethernet/amazon/ena/ena_netdev.c b/drivers/net/ethernet/amazon/ena/ena_netdev.c
index 55cc70ba5b09..3c3222e2dcfc 100644
--- a/drivers/net/ethernet/amazon/ena/ena_netdev.c
+++ b/drivers/net/ethernet/amazon/ena/ena_netdev.c
@@ -2736,7 +2736,7 @@ static int check_missing_comp_in_tx_queue(struct ena_adapter *adapter,
 	}
 
 	u64_stats_update_begin(&tx_ring->syncp);
-	tx_ring->tx_stats.missed_tx = missed_tx;
+	tx_ring->tx_stats.missed_tx += missed_tx;
 	u64_stats_update_end(&tx_ring->syncp);
 
 	return rc;
@@ -3544,6 +3544,9 @@ static void ena_keep_alive_wd(void *adapter_data,
 	rx_drops = ((u64)desc->rx_drops_high << 32) | desc->rx_drops_low;
 
 	u64_stats_update_begin(&adapter->syncp);
+	/* These stats are accumulated by the device, so the counters indicate
+	 * all drops since last reset.
+	 */
 	adapter->dev_stats.rx_drops = rx_drops;
 	u64_stats_update_end(&adapter->syncp);
 }
diff --git a/drivers/net/ethernet/freescale/gianfar.c b/drivers/net/ethernet/freescale/gianfar.c
index cf2d1e846a69..8243501c3757 100644
--- a/drivers/net/ethernet/freescale/gianfar.c
+++ b/drivers/net/ethernet/freescale/gianfar.c
@@ -844,8 +844,10 @@ static int gfar_of_init(struct platform_device *ofdev, struct net_device **pdev)
 				continue;
 
 			err = gfar_parse_group(child, priv, model);
-			if (err)
+			if (err) {
+				of_node_put(child);
 				goto err_grp_init;
+			}
 		}
 	} else { /* SQ_SG_MODE */
 		err = gfar_parse_group(np, priv, model);
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c
index ccd852ad62a4..d50c5b55da18 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c
@@ -192,7 +192,7 @@ static int ixgbe_fcoe_ddp_setup(struct net_device *netdev, u16 xid,
 	}
 
 	/* alloc the udl from per cpu ddp pool */
-	ddp->udl = dma_pool_alloc(ddp_pool->pool, GFP_KERNEL, &ddp->udp);
+	ddp->udl = dma_pool_alloc(ddp_pool->pool, GFP_ATOMIC, &ddp->udp);
 	if (!ddp->udl) {
 		e_err(drv, "failed allocated ddp context\n");
 		goto out_noddp_unmap;
diff --git a/drivers/net/ipvlan/ipvlan_main.c b/drivers/net/ipvlan/ipvlan_main.c
index 87f605a33c37..9fa3c0bd6ec7 100644
--- a/drivers/net/ipvlan/ipvlan_main.c
+++ b/drivers/net/ipvlan/ipvlan_main.c
@@ -177,12 +177,21 @@ static void ipvlan_port_destroy(struct net_device *dev)
 	kfree(port);
 }
 
+#define IPVLAN_ALWAYS_ON_OFLOADS \
+	(NETIF_F_SG | NETIF_F_HW_CSUM | \
+	 NETIF_F_GSO_ROBUST | NETIF_F_GSO_SOFTWARE | NETIF_F_GSO_ENCAP_ALL)
+
+#define IPVLAN_ALWAYS_ON \
+	(IPVLAN_ALWAYS_ON_OFLOADS | NETIF_F_LLTX | NETIF_F_VLAN_CHALLENGED)
+
 #define IPVLAN_FEATURES \
-	(NETIF_F_SG | NETIF_F_CSUM_MASK | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST | \
+	(NETIF_F_SG | NETIF_F_HW_CSUM | NETIF_F_HIGHDMA | NETIF_F_FRAGLIST | \
 	 NETIF_F_GSO | NETIF_F_TSO | NETIF_F_GSO_ROBUST | \
 	 NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_GRO | NETIF_F_RXCSUM | \
 	 NETIF_F_HW_VLAN_CTAG_FILTER | NETIF_F_HW_VLAN_STAG_FILTER)
 
+	/* NETIF_F_GSO_ENCAP_ALL NETIF_F_GSO_SOFTWARE Newly added */
+
 #define IPVLAN_STATE_MASK \
 	((1<<__LINK_STATE_NOCARRIER) | (1<<__LINK_STATE_DORMANT))
 
@@ -196,7 +205,9 @@ static int ipvlan_init(struct net_device *dev)
 	dev->state = (dev->state & ~IPVLAN_STATE_MASK) |
 		     (phy_dev->state & IPVLAN_STATE_MASK);
 	dev->features = phy_dev->features & IPVLAN_FEATURES;
-	dev->features |= NETIF_F_LLTX | NETIF_F_VLAN_CHALLENGED;
+	dev->features |= IPVLAN_ALWAYS_ON;
+	dev->vlan_features = phy_dev->vlan_features & IPVLAN_FEATURES;
+	dev->vlan_features |= IPVLAN_ALWAYS_ON_OFLOADS;
 	dev->gso_max_size = phy_dev->gso_max_size;
 	dev->gso_max_segs = phy_dev->gso_max_segs;
 	dev->hard_header_len = phy_dev->hard_header_len;
@@ -297,7 +308,14 @@ static netdev_features_t ipvlan_fix_features(struct net_device *dev,
 {
 	struct ipvl_dev *ipvlan = netdev_priv(dev);
 
-	return features & (ipvlan->sfeatures | ~IPVLAN_FEATURES);
+	features |= NETIF_F_ALL_FOR_ALL;
+	features &= (ipvlan->sfeatures | ~IPVLAN_FEATURES);
+	features = netdev_increment_features(ipvlan->phy_dev->features,
+					     features, features);
+	features |= IPVLAN_ALWAYS_ON;
+	features &= (IPVLAN_FEATURES | IPVLAN_ALWAYS_ON);
+
+	return features;
 }
 
 static void ipvlan_change_rx_flags(struct net_device *dev, int change)
@@ -802,10 +820,9 @@ static int ipvlan_device_event(struct notifier_block *unused,
 
 	case NETDEV_FEAT_CHANGE:
 		list_for_each_entry(ipvlan, &port->ipvlans, pnode) {
-			ipvlan->dev->features = dev->features & IPVLAN_FEATURES;
 			ipvlan->dev->gso_max_size = dev->gso_max_size;
 			ipvlan->dev->gso_max_segs = dev->gso_max_segs;
-			netdev_features_change(ipvlan->dev);
+			netdev_update_features(ipvlan->dev);
 		}
 		break;
 
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 349123592af0..e226a96da3a3 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -1230,6 +1230,9 @@ static void macvlan_port_destroy(struct net_device *dev)
 static int macvlan_validate(struct nlattr *tb[], struct nlattr *data[],
 			    struct netlink_ext_ack *extack)
 {
+	struct nlattr *nla, *head;
+	int rem, len;
+
 	if (tb[IFLA_ADDRESS]) {
 		if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN)
 			return -EINVAL;
@@ -1277,6 +1280,20 @@ static int macvlan_validate(struct nlattr *tb[], struct nlattr *data[],
 			return -EADDRNOTAVAIL;
 	}
 
+	if (data[IFLA_MACVLAN_MACADDR_DATA]) {
+		head = nla_data(data[IFLA_MACVLAN_MACADDR_DATA]);
+		len = nla_len(data[IFLA_MACVLAN_MACADDR_DATA]);
+
+		nla_for_each_attr(nla, head, len, rem) {
+			if (nla_type(nla) != IFLA_MACVLAN_MACADDR ||
+			    nla_len(nla) != ETH_ALEN)
+				return -EINVAL;
+
+			if (!is_valid_ether_addr(nla_data(nla)))
+				return -EADDRNOTAVAIL;
+		}
+	}
+
 	if (data[IFLA_MACVLAN_MACADDR_COUNT])
 		return -EINVAL;
 
@@ -1333,10 +1350,6 @@ static int macvlan_changelink_sources(struct macvlan_dev *vlan, u32 mode,
 		len = nla_len(data[IFLA_MACVLAN_MACADDR_DATA]);
 
 		nla_for_each_attr(nla, head, len, rem) {
-			if (nla_type(nla) != IFLA_MACVLAN_MACADDR ||
-			    nla_len(nla) != ETH_ALEN)
-				continue;
-
 			addr = nla_data(nla);
 			ret = macvlan_hash_add_source(vlan, addr);
 			if (ret)
diff --git a/drivers/net/wireless/ath/ath10k/hw.h b/drivers/net/wireless/ath/ath10k/hw.h
index fac58c3c576a..3ff65a0a834a 100644
--- a/drivers/net/wireless/ath/ath10k/hw.h
+++ b/drivers/net/wireless/ath/ath10k/hw.h
@@ -753,7 +753,7 @@ ath10k_rx_desc_get_l3_pad_bytes(struct ath10k_hw_params *hw,
 
 #define TARGET_10_4_TX_DBG_LOG_SIZE		1024
 #define TARGET_10_4_NUM_WDS_ENTRIES		32
-#define TARGET_10_4_DMA_BURST_SIZE		0
+#define TARGET_10_4_DMA_BURST_SIZE		1
 #define TARGET_10_4_MAC_AGGR_DELIM		0
 #define TARGET_10_4_RX_SKIP_DEFRAG_TIMEOUT_DUP_DETECTION_CHECK 1
 #define TARGET_10_4_VOW_CONFIG			0
diff --git a/drivers/net/wireless/realtek/rtlwifi/usb.c b/drivers/net/wireless/realtek/rtlwifi/usb.c
index 1893640555c1..3d6c0d8c71d7 100644
--- a/drivers/net/wireless/realtek/rtlwifi/usb.c
+++ b/drivers/net/wireless/realtek/rtlwifi/usb.c
@@ -739,8 +739,11 @@ static int _rtl_usb_receive(struct ieee80211_hw *hw)
 
 		usb_anchor_urb(urb, &rtlusb->rx_submitted);
 		err = usb_submit_urb(urb, GFP_KERNEL);
-		if (err)
+		if (err) {
+			usb_unanchor_urb(urb);
+			usb_free_urb(urb);
 			goto err_out;
+		}
 		usb_free_urb(urb);
 	}
 	return 0;
diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c
index ed43b06353a3..bb3b447c5646 100644
--- a/drivers/nvme/host/fc.c
+++ b/drivers/nvme/host/fc.c
@@ -1716,7 +1716,7 @@ __nvme_fc_init_request(struct nvme_fc_ctrl *ctrl,
 	if (fc_dma_mapping_error(ctrl->lport->dev, op->fcp_req.cmddma)) {
 		dev_err(ctrl->dev,
 			"FCP Op failed - cmdiu dma mapping failed.\n");
-		ret = EFAULT;
+		ret = -EFAULT;
 		goto out_on_error;
 	}
 
@@ -1726,7 +1726,7 @@ __nvme_fc_init_request(struct nvme_fc_ctrl *ctrl,
 	if (fc_dma_mapping_error(ctrl->lport->dev, op->fcp_req.rspdma)) {
 		dev_err(ctrl->dev,
 			"FCP Op failed - rspiu dma mapping failed.\n");
-		ret = EFAULT;
+		ret = -EFAULT;
 	}
 
 	atomic_set(&op->state, FCPOP_STATE_IDLE);
diff --git a/drivers/pci/slot.c b/drivers/pci/slot.c
index a32897f83ee5..fb7478b6c4f9 100644
--- a/drivers/pci/slot.c
+++ b/drivers/pci/slot.c
@@ -303,13 +303,16 @@ placeholder:
 	slot_name = make_slot_name(name);
 	if (!slot_name) {
 		err = -ENOMEM;
+		kfree(slot);
 		goto err;
 	}
 
 	err = kobject_init_and_add(&slot->kobj, &pci_slot_ktype, NULL,
 				   "%s", slot_name);
-	if (err)
+	if (err) {
+		kobject_put(&slot->kobj);
 		goto err;
+	}
 
 	INIT_LIST_HEAD(&slot->list);
 	list_add(&slot->list, &parent->slots);
@@ -328,7 +331,6 @@ out:
 	mutex_unlock(&pci_slot_mutex);
 	return slot;
 err:
-	kfree(slot);
 	slot = ERR_PTR(err);
 	goto out;
 }
diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index df09ed53ab45..825a8f2703b4 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -615,6 +615,11 @@ static int slow_eval_known_fn(struct subchannel *sch, void *data)
 		rc = css_evaluate_known_subchannel(sch, 1);
 		if (rc == -EAGAIN)
 			css_schedule_eval(sch->schid);
+		/*
+		 * The loop might take long time for platforms with lots of
+		 * known devices. Allow scheduling here.
+		 */
+		cond_resched();
 	}
 	return 0;
 }
diff --git a/drivers/scsi/fcoe/fcoe_ctlr.c b/drivers/scsi/fcoe/fcoe_ctlr.c
index 24cbd0a2cc69..658c0726581f 100644
--- a/drivers/scsi/fcoe/fcoe_ctlr.c
+++ b/drivers/scsi/fcoe/fcoe_ctlr.c
@@ -267,9 +267,9 @@ static void fcoe_sysfs_fcf_del(struct fcoe_fcf *new)
 		WARN_ON(!fcf_dev);
 		new->fcf_dev = NULL;
 		fcoe_fcf_device_delete(fcf_dev);
-		kfree(new);
 		mutex_unlock(&cdev->lock);
 	}
+	kfree(new);
 }
 
 /**
diff --git a/drivers/scsi/lpfc/lpfc_vport.c b/drivers/scsi/lpfc/lpfc_vport.c
index 1ff0f7de9105..64545b300dfc 100644
--- a/drivers/scsi/lpfc/lpfc_vport.c
+++ b/drivers/scsi/lpfc/lpfc_vport.c
@@ -653,27 +653,16 @@ lpfc_vport_delete(struct fc_vport *fc_vport)
 		    vport->port_state < LPFC_VPORT_READY)
 			return -EAGAIN;
 	}
+
 	/*
-	 * This is a bit of a mess.  We want to ensure the shost doesn't get
-	 * torn down until we're done with the embedded lpfc_vport structure.
-	 *
-	 * Beyond holding a reference for this function, we also need a
-	 * reference for outstanding I/O requests we schedule during delete
-	 * processing.  But once we scsi_remove_host() we can no longer obtain
-	 * a reference through scsi_host_get().
-	 *
-	 * So we take two references here.  We release one reference at the
-	 * bottom of the function -- after delinking the vport.  And we
-	 * release the other at the completion of the unreg_vpi that get's
-	 * initiated after we've disposed of all other resources associated
-	 * with the port.
+	 * Take early refcount for outstanding I/O requests we schedule during
+	 * delete processing for unreg_vpi.  Always keep this before
+	 * scsi_remove_host() as we can no longer obtain a reference through
+	 * scsi_host_get() after scsi_host_remove as shost is set to SHOST_DEL.
 	 */
 	if (!scsi_host_get(shost))
 		return VPORT_INVAL;
-	if (!scsi_host_get(shost)) {
-		scsi_host_put(shost);
-		return VPORT_INVAL;
-	}
+
 	lpfc_free_sysfs_attr(vport);
 
 	lpfc_debugfs_terminate(vport);
@@ -820,8 +809,9 @@ skip_logo:
 		if (!(vport->vpi_state & LPFC_VPI_REGISTERED) ||
 				lpfc_mbx_unreg_vpi(vport))
 			scsi_host_put(shost);
-	} else
+	} else {
 		scsi_host_put(shost);
+	}
 
 	lpfc_free_vpi(phba, vport->vpi);
 	vport->work_port_events = 0;
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index ac5d2d34aeea..07c5d7397d42 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -329,14 +329,6 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
 			if (time_after(jiffies, wait_time))
 				break;
 
-			/*
-			 * Check if it's UNLOADING, cause we cannot poll in
-			 * this case, or else a NULL pointer dereference
-			 * is triggered.
-			 */
-			if (unlikely(test_bit(UNLOADING, &base_vha->dpc_flags)))
-				return QLA_FUNCTION_TIMEOUT;
-
 			/* Check for pending interrupts. */
 			qla2x00_poll(ha->rsp_q_map[0]);
 
diff --git a/drivers/scsi/qla2xxx/qla_nvme.c b/drivers/scsi/qla2xxx/qla_nvme.c
index 5590d6e8b576..3e2f8ce1d9a9 100644
--- a/drivers/scsi/qla2xxx/qla_nvme.c
+++ b/drivers/scsi/qla2xxx/qla_nvme.c
@@ -477,6 +477,11 @@ static int qla_nvme_post_cmd(struct nvme_fc_local_port *lport,
 	struct nvme_private *priv = fd->private;
 	struct qla_nvme_rport *qla_rport = rport->private;
 
+	if (!priv) {
+		/* nvme association has been torn down */
+		return rval;
+	}
+
 	fcport = qla_rport->fcport;
 
 	vha = fcport->vha;
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index b56cf790587e..e17ca7df8d0e 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -1997,6 +1997,11 @@ skip_pio:
 	/* Determine queue resources */
 	ha->max_req_queues = ha->max_rsp_queues = 1;
 	ha->msix_count = QLA_BASE_VECTORS;
+
+	/* Check if FW supports MQ or not */
+	if (!(ha->fw_attributes & BIT_6))
+		goto mqiobase_exit;
+
 	if (!ql2xmqsupport || !ql2xnvmeenable ||
 	    (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)))
 		goto mqiobase_exit;
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 04d095488c76..698347301198 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -3172,7 +3172,7 @@ static int iscsi_set_flashnode_param(struct iscsi_transport *transport,
 		pr_err("%s could not find host no %u\n",
 		       __func__, ev->u.set_flashnode.host_no);
 		err = -ENODEV;
-		goto put_host;
+		goto exit_set_fnode;
 	}
 
 	idx = ev->u.set_flashnode.flashnode_idx;
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 44011b5e72ee..61698f7d2def 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -1556,6 +1556,7 @@ unblock_reqs:
 int ufshcd_hold(struct ufs_hba *hba, bool async)
 {
 	int rc = 0;
+	bool flush_result;
 	unsigned long flags;
 
 	if (!ufshcd_is_clkgating_allowed(hba))
@@ -1587,7 +1588,9 @@ start:
 				break;
 			}
 			spin_unlock_irqrestore(hba->host->host_lock, flags);
-			flush_work(&hba->clk_gating.ungate_work);
+			flush_result = flush_work(&hba->clk_gating.ungate_work);
+			if (hba->clk_gating.is_suspended && !flush_result)
+				goto out;
 			spin_lock_irqsave(hba->host->host_lock, flags);
 			goto start;
 		}
@@ -5656,7 +5659,7 @@ static void ufshcd_sl_intr(struct ufs_hba *hba, u32 intr_status)
  */
 static irqreturn_t ufshcd_intr(int irq, void *__hba)
 {
-	u32 intr_status, enabled_intr_status;
+	u32 intr_status, enabled_intr_status = 0;
 	irqreturn_t retval = IRQ_NONE;
 	struct ufs_hba *hba = __hba;
 	int retries = hba->nutrs;
@@ -5670,7 +5673,7 @@ static irqreturn_t ufshcd_intr(int irq, void *__hba)
 	 * read, make sure we handle them by checking the interrupt status
 	 * again in a loop until we process all of the reqs before returning.
 	 */
-	do {
+	while (intr_status && retries--) {
 		enabled_intr_status =
 			intr_status & ufshcd_readl(hba, REG_INTERRUPT_ENABLE);
 		if (intr_status)
@@ -5681,7 +5684,7 @@ static irqreturn_t ufshcd_intr(int irq, void *__hba)
 		}
 
 		intr_status = ufshcd_readl(hba, REG_INTERRUPT_STATUS);
-	} while (intr_status && --retries);
+	}
 
 	spin_unlock(hba->host->host_lock);
 	return retval;
@@ -5981,7 +5984,7 @@ static int ufshcd_abort(struct scsi_cmnd *cmd)
 			/* command completed already */
 			dev_err(hba->dev, "%s: cmd at tag %d successfully cleared from DB.\n",
 				__func__, tag);
-			goto out;
+			goto cleanup;
 		} else {
 			dev_err(hba->dev,
 				"%s: no response from device. tag = %d, err %d\n",
@@ -6015,6 +6018,7 @@ static int ufshcd_abort(struct scsi_cmnd *cmd)
 		goto out;
 	}
 
+cleanup:
 	scsi_dma_unmap(cmd);
 
 	spin_lock_irqsave(host->host_lock, flags);
diff --git a/drivers/spi/spi-stm32.c b/drivers/spi/spi-stm32.c
index ad1e55d3d5d5..391a20b3d2fd 100644
--- a/drivers/spi/spi-stm32.c
+++ b/drivers/spi/spi-stm32.c
@@ -254,7 +254,8 @@ static int stm32_spi_prepare_mbr(struct stm32_spi *spi, u32 speed_hz)
 {
 	u32 div, mbrdiv;
 
-	div = DIV_ROUND_UP(spi->clk_rate, speed_hz);
+	/* Ensure spi->clk_rate is even */
+	div = DIV_ROUND_UP(spi->clk_rate & ~0x1, speed_hz);
 
 	/*
 	 * SPI framework set xfer->speed_hz to master->max_speed_hz if
diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c
index 9c05e820857a..91dbac7446a4 100644
--- a/drivers/target/target_core_user.c
+++ b/drivers/target/target_core_user.c
@@ -1231,7 +1231,14 @@ static unsigned int tcmu_handle_completions(struct tcmu_dev *udev)
 
 		struct tcmu_cmd_entry *entry = (void *) mb + CMDR_OFF + udev->cmdr_last_cleaned;
 
-		tcmu_flush_dcache_range(entry, sizeof(*entry));
+		/*
+		 * Flush max. up to end of cmd ring since current entry might
+		 * be a padding that is shorter than sizeof(*entry)
+		 */
+		size_t ring_left = head_to_end(udev->cmdr_last_cleaned,
+					       udev->cmdr_size);
+		tcmu_flush_dcache_range(entry, ring_left < sizeof(*entry) ?
+					ring_left : sizeof(*entry));
 
 		if (tcmu_hdr_get_op(entry->hdr.len_op) == TCMU_OP_PAD) {
 			UPDATE_HEAD(udev->cmdr_last_cleaned,
diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c
index d39162e71f59..195f58c5b477 100644
--- a/drivers/tty/serial/8250/8250_exar.c
+++ b/drivers/tty/serial/8250/8250_exar.c
@@ -638,6 +638,24 @@ static const struct exar8250_board pbn_exar_XR17V35x = {
 	.exit		= pci_xr17v35x_exit,
 };
 
+static const struct exar8250_board pbn_fastcom35x_2 = {
+	.num_ports	= 2,
+	.setup		= pci_xr17v35x_setup,
+	.exit		= pci_xr17v35x_exit,
+};
+
+static const struct exar8250_board pbn_fastcom35x_4 = {
+	.num_ports	= 4,
+	.setup		= pci_xr17v35x_setup,
+	.exit		= pci_xr17v35x_exit,
+};
+
+static const struct exar8250_board pbn_fastcom35x_8 = {
+	.num_ports	= 8,
+	.setup		= pci_xr17v35x_setup,
+	.exit		= pci_xr17v35x_exit,
+};
+
 static const struct exar8250_board pbn_exar_XR17V4358 = {
 	.num_ports	= 12,
 	.setup		= pci_xr17v35x_setup,
@@ -708,9 +726,9 @@ static const struct pci_device_id exar_pci_tbl[] = {
 	EXAR_DEVICE(EXAR, EXAR_XR17V358, pbn_exar_XR17V35x),
 	EXAR_DEVICE(EXAR, EXAR_XR17V4358, pbn_exar_XR17V4358),
 	EXAR_DEVICE(EXAR, EXAR_XR17V8358, pbn_exar_XR17V8358),
-	EXAR_DEVICE(COMMTECH, COMMTECH_4222PCIE, pbn_exar_XR17V35x),
-	EXAR_DEVICE(COMMTECH, COMMTECH_4224PCIE, pbn_exar_XR17V35x),
-	EXAR_DEVICE(COMMTECH, COMMTECH_4228PCIE, pbn_exar_XR17V35x),
+	EXAR_DEVICE(COMMTECH, COMMTECH_4222PCIE, pbn_fastcom35x_2),
+	EXAR_DEVICE(COMMTECH, COMMTECH_4224PCIE, pbn_fastcom35x_4),
+	EXAR_DEVICE(COMMTECH, COMMTECH_4228PCIE, pbn_fastcom35x_8),
 
 	EXAR_DEVICE(COMMTECH, COMMTECH_4222PCI335, pbn_fastcom335_2),
 	EXAR_DEVICE(COMMTECH, COMMTECH_4224PCI335, pbn_fastcom335_4),
diff --git a/drivers/tty/serial/8250/8250_port.c b/drivers/tty/serial/8250/8250_port.c
index 20b799219826..09f0dc3b967b 100644
--- a/drivers/tty/serial/8250/8250_port.c
+++ b/drivers/tty/serial/8250/8250_port.c
@@ -2259,6 +2259,10 @@ int serial8250_do_startup(struct uart_port *port)
 
 	if (port->irq && !(up->port.flags & UPF_NO_THRE_TEST)) {
 		unsigned char iir1;
+
+		if (port->irqflags & IRQF_SHARED)
+			disable_irq_nosync(port->irq);
+
 		/*
 		 * Test for UARTs that do not reassert THRE when the
 		 * transmitter is idle and the interrupt has already
@@ -2268,8 +2272,6 @@ int serial8250_do_startup(struct uart_port *port)
 		 * allow register changes to become visible.
 		 */
 		spin_lock_irqsave(&port->lock, flags);
-		if (up->port.irqflags & IRQF_SHARED)
-			disable_irq_nosync(port->irq);
 
 		wait_for_xmitr(up, UART_LSR_THRE);
 		serial_port_out_sync(port, UART_IER, UART_IER_THRI);
@@ -2281,9 +2283,10 @@ int serial8250_do_startup(struct uart_port *port)
 		iir = serial_port_in(port, UART_IIR);
 		serial_port_out(port, UART_IER, 0);
 
+		spin_unlock_irqrestore(&port->lock, flags);
+
 		if (port->irqflags & IRQF_SHARED)
 			enable_irq(port->irq);
-		spin_unlock_irqrestore(&port->lock, flags);
 
 		/*
 		 * If the interrupt is not reasserted, or we otherwise
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index 1d501154e9f7..45e4f2952143 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -2252,9 +2252,8 @@ pl011_console_write(struct console *co, const char *s, unsigned int count)
 	clk_disable(uap->clk);
 }
 
-static void __init
-pl011_console_get_options(struct uart_amba_port *uap, int *baud,
-			     int *parity, int *bits)
+static void pl011_console_get_options(struct uart_amba_port *uap, int *baud,
+				      int *parity, int *bits)
 {
 	if (pl011_read(uap, REG_CR) & UART01x_CR_UARTEN) {
 		unsigned int lcr_h, ibrd, fbrd;
@@ -2287,7 +2286,7 @@ pl011_console_get_options(struct uart_amba_port *uap, int *baud,
 	}
 }
 
-static int __init pl011_console_setup(struct console *co, char *options)
+static int pl011_console_setup(struct console *co, char *options)
 {
 	struct uart_amba_port *uap;
 	int baud = 38400;
@@ -2355,8 +2354,8 @@ static int __init pl011_console_setup(struct console *co, char *options)
  *
  *	Returns 0 if console matches; otherwise non-zero to use default matching
  */
-static int __init pl011_console_match(struct console *co, char *name, int idx,
-				      char *options)
+static int pl011_console_match(struct console *co, char *name, int idx,
+			       char *options)
 {
 	unsigned char iotype;
 	resource_size_t addr;
@@ -2594,7 +2593,7 @@ static int pl011_setup_port(struct device *dev, struct uart_amba_port *uap,
 
 static int pl011_register_port(struct uart_amba_port *uap)
 {
-	int ret;
+	int ret, i;
 
 	/* Ensure interrupts from this UART are masked and cleared */
 	pl011_write(0, uap, REG_IMSC);
@@ -2605,6 +2604,9 @@ static int pl011_register_port(struct uart_amba_port *uap)
 		if (ret < 0) {
 			dev_err(uap->port.dev,
 				"Failed to register AMBA-PL011 driver\n");
+			for (i = 0; i < ARRAY_SIZE(amba_ports); i++)
+				if (amba_ports[i] == uap)
+					amba_ports[i] = NULL;
 			return ret;
 		}
 	}
diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index 2a49b6d876b8..fcb89bf2524d 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -1755,9 +1755,11 @@ static int s3c24xx_serial_init_port(struct s3c24xx_uart_port *ourport,
 		ourport->tx_irq = ret + 1;
 	}
 
-	ret = platform_get_irq(platdev, 1);
-	if (ret > 0)
-		ourport->tx_irq = ret;
+	if (!s3c24xx_serial_has_interrupt_mask(port)) {
+		ret = platform_get_irq(platdev, 1);
+		if (ret > 0)
+			ourport->tx_irq = ret;
+	}
 	/*
 	 * DMA is currently supported only on DT platforms, if DMA properties
 	 * are specified.
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index 982d9684c65e..758f522f331e 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1199,7 +1199,7 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc,
 	unsigned int old_rows, old_row_size, first_copied_row;
 	unsigned int new_cols, new_rows, new_row_size, new_screen_size;
 	unsigned int user;
-	unsigned short *newscreen;
+	unsigned short *oldscreen, *newscreen;
 	struct uni_screen *new_uniscr = NULL;
 
 	WARN_CONSOLE_UNLOCKED();
@@ -1297,10 +1297,11 @@ static int vc_do_resize(struct tty_struct *tty, struct vc_data *vc,
 	if (new_scr_end > new_origin)
 		scr_memsetw((void *)new_origin, vc->vc_video_erase_char,
 			    new_scr_end - new_origin);
-	kfree(vc->vc_screenbuf);
+	oldscreen = vc->vc_screenbuf;
 	vc->vc_screenbuf = newscreen;
 	vc->vc_screenbuf_size = new_screen_size;
 	set_origin(vc);
+	kfree(oldscreen);
 
 	/* do part of a reset_terminal() */
 	vc->vc_top = 0;
diff --git a/drivers/tty/vt/vt_ioctl.c b/drivers/tty/vt/vt_ioctl.c
index 5de81431c835..6a82030cf1ef 100644
--- a/drivers/tty/vt/vt_ioctl.c
+++ b/drivers/tty/vt/vt_ioctl.c
@@ -893,12 +893,22 @@ int vt_ioctl(struct tty_struct *tty,
 			console_lock();
 			vcp = vc_cons[i].d;
 			if (vcp) {
+				int ret;
+				int save_scan_lines = vcp->vc_scan_lines;
+				int save_font_height = vcp->vc_font.height;
+
 				if (v.v_vlin)
 					vcp->vc_scan_lines = v.v_vlin;
 				if (v.v_clin)
 					vcp->vc_font.height = v.v_clin;
 				vcp->vc_resize_user = 1;
-				vc_resize(vcp, v.v_cols, v.v_rows);
+				ret = vc_resize(vcp, v.v_cols, v.v_rows);
+				if (ret) {
+					vcp->vc_scan_lines = save_scan_lines;
+					vcp->vc_font.height = save_font_height;
+					console_unlock();
+					return ret;
+				}
 			}
 			console_unlock();
 		}
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index ea7883e1fbe2..41453bf6fc0b 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -378,21 +378,19 @@ static void acm_ctrl_irq(struct urb *urb)
 	if (current_size < expected_size) {
 		/* notification is transmitted fragmented, reassemble */
 		if (acm->nb_size < expected_size) {
-			if (acm->nb_size) {
-				kfree(acm->notification_buffer);
-				acm->nb_size = 0;
-			}
+			u8 *new_buffer;
 			alloc_size = roundup_pow_of_two(expected_size);
-			/*
-			 * kmalloc ensures a valid notification_buffer after a
-			 * use of kfree in case the previous allocation was too
-			 * small. Final freeing is done on disconnect.
-			 */
-			acm->notification_buffer =
-				kmalloc(alloc_size, GFP_ATOMIC);
-			if (!acm->notification_buffer)
+			/* Final freeing is done on disconnect. */
+			new_buffer = krealloc(acm->notification_buffer,
+					      alloc_size, GFP_ATOMIC);
+			if (!new_buffer) {
+				acm->nb_index = 0;
 				goto exit;
+			}
+
+			acm->notification_buffer = new_buffer;
 			acm->nb_size = alloc_size;
+			dr = (struct usb_cdc_notification *)acm->notification_buffer;
 		}
 
 		copy_size = min(current_size,
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index c96c50faccf7..2f068e525a37 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -370,6 +370,10 @@ static const struct usb_device_id usb_quirk_list[] = {
 	{ USB_DEVICE(0x0926, 0x0202), .driver_info =
 			USB_QUIRK_ENDPOINT_BLACKLIST },
 
+	/* Sound Devices MixPre-D */
+	{ USB_DEVICE(0x0926, 0x0208), .driver_info =
+			USB_QUIRK_ENDPOINT_BLACKLIST },
+
 	/* Keytouch QWERTY Panel keyboard */
 	{ USB_DEVICE(0x0926, 0x3333), .driver_info =
 			USB_QUIRK_CONFIG_INTF_STRINGS },
@@ -465,6 +469,8 @@ static const struct usb_device_id usb_quirk_list[] = {
 
 	{ USB_DEVICE(0x2386, 0x3119), .driver_info = USB_QUIRK_NO_LPM },
 
+	{ USB_DEVICE(0x2386, 0x350e), .driver_info = USB_QUIRK_NO_LPM },
+
 	/* DJI CineSSD */
 	{ USB_DEVICE(0x2ca3, 0x0031), .driver_info = USB_QUIRK_NO_LPM },
 
@@ -509,6 +515,7 @@ static const struct usb_device_id usb_amd_resume_quirk_list[] = {
  */
 static const struct usb_device_id usb_endpoint_blacklist[] = {
 	{ USB_DEVICE_INTERFACE_NUMBER(0x0926, 0x0202, 1), .driver_info = 0x85 },
+	{ USB_DEVICE_INTERFACE_NUMBER(0x0926, 0x0208, 1), .driver_info = 0x85 },
 	{ }
 };
 
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 2f5f4ca5c0d0..7bf2573dd459 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1017,26 +1017,24 @@ static void __dwc3_prepare_one_trb(struct dwc3_ep *dep, struct dwc3_trb *trb,
  * dwc3_prepare_one_trb - setup one TRB from one request
  * @dep: endpoint for which this request is prepared
  * @req: dwc3_request pointer
+ * @trb_length: buffer size of the TRB
  * @chain: should this TRB be chained to the next?
  * @node: only for isochronous endpoints. First TRB needs different type.
  */
 static void dwc3_prepare_one_trb(struct dwc3_ep *dep,
-		struct dwc3_request *req, unsigned chain, unsigned node)
+		struct dwc3_request *req, unsigned int trb_length,
+		unsigned chain, unsigned node)
 {
 	struct dwc3_trb		*trb;
-	unsigned int		length;
 	dma_addr_t		dma;
 	unsigned		stream_id = req->request.stream_id;
 	unsigned		short_not_ok = req->request.short_not_ok;
 	unsigned		no_interrupt = req->request.no_interrupt;
 
-	if (req->request.num_sgs > 0) {
-		length = sg_dma_len(req->start_sg);
+	if (req->request.num_sgs > 0)
 		dma = sg_dma_address(req->start_sg);
-	} else {
-		length = req->request.length;
+	else
 		dma = req->request.dma;
-	}
 
 	trb = &dep->trb_pool[dep->trb_enqueue];
 
@@ -1048,7 +1046,7 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep,
 
 	req->num_trbs++;
 
-	__dwc3_prepare_one_trb(dep, trb, dma, length, chain, node,
+	__dwc3_prepare_one_trb(dep, trb, dma, trb_length, chain, node,
 			stream_id, short_not_ok, no_interrupt);
 }
 
@@ -1058,16 +1056,27 @@ static void dwc3_prepare_one_trb_sg(struct dwc3_ep *dep,
 	struct scatterlist *sg = req->start_sg;
 	struct scatterlist *s;
 	int		i;
-
+	unsigned int length = req->request.length;
 	unsigned int remaining = req->request.num_mapped_sgs
 		- req->num_queued_sgs;
 
+	/*
+	 * If we resume preparing the request, then get the remaining length of
+	 * the request and resume where we left off.
+	 */
+	for_each_sg(req->request.sg, s, req->num_queued_sgs, i)
+		length -= sg_dma_len(s);
+
 	for_each_sg(sg, s, remaining, i) {
-		unsigned int length = req->request.length;
 		unsigned int maxp = usb_endpoint_maxp(dep->endpoint.desc);
 		unsigned int rem = length % maxp;
+		unsigned int trb_length;
 		unsigned chain = true;
 
+		trb_length = min_t(unsigned int, length, sg_dma_len(s));
+
+		length -= trb_length;
+
 		/*
 		 * IOMMU driver is coalescing the list of sgs which shares a
 		 * page boundary into one and giving it to USB driver. With
@@ -1075,7 +1084,7 @@ static void dwc3_prepare_one_trb_sg(struct dwc3_ep *dep,
 		 * sgs passed. So mark the chain bit to false if it isthe last
 		 * mapped sg.
 		 */
-		if (i == remaining - 1)
+		if ((i == remaining - 1) || !length)
 			chain = false;
 
 		if (rem && usb_endpoint_dir_out(dep->endpoint.desc) && !chain) {
@@ -1085,7 +1094,7 @@ static void dwc3_prepare_one_trb_sg(struct dwc3_ep *dep,
 			req->needs_extra_trb = true;
 
 			/* prepare normal TRB */
-			dwc3_prepare_one_trb(dep, req, true, i);
+			dwc3_prepare_one_trb(dep, req, trb_length, true, i);
 
 			/* Now prepare one extra TRB to align transfer size */
 			trb = &dep->trb_pool[dep->trb_enqueue];
@@ -1095,8 +1104,37 @@ static void dwc3_prepare_one_trb_sg(struct dwc3_ep *dep,
 					req->request.stream_id,
 					req->request.short_not_ok,
 					req->request.no_interrupt);
+		} else if (req->request.zero && req->request.length &&
+			   !usb_endpoint_xfer_isoc(dep->endpoint.desc) &&
+			   !rem && !chain) {
+			struct dwc3	*dwc = dep->dwc;
+			struct dwc3_trb	*trb;
+
+			req->needs_extra_trb = true;
+
+			/* Prepare normal TRB */
+			dwc3_prepare_one_trb(dep, req, trb_length, true, i);
+
+			/* Prepare one extra TRB to handle ZLP */
+			trb = &dep->trb_pool[dep->trb_enqueue];
+			req->num_trbs++;
+			__dwc3_prepare_one_trb(dep, trb, dwc->bounce_addr, 0,
+					       !req->direction, 1,
+					       req->request.stream_id,
+					       req->request.short_not_ok,
+					       req->request.no_interrupt);
+
+			/* Prepare one more TRB to handle MPS alignment */
+			if (!req->direction) {
+				trb = &dep->trb_pool[dep->trb_enqueue];
+				req->num_trbs++;
+				__dwc3_prepare_one_trb(dep, trb, dwc->bounce_addr, maxp,
+						       false, 1, req->request.stream_id,
+						       req->request.short_not_ok,
+						       req->request.no_interrupt);
+			}
 		} else {
-			dwc3_prepare_one_trb(dep, req, chain, i);
+			dwc3_prepare_one_trb(dep, req, trb_length, chain, i);
 		}
 
 		/*
@@ -1111,6 +1149,16 @@ static void dwc3_prepare_one_trb_sg(struct dwc3_ep *dep,
 
 		req->num_queued_sgs++;
 
+		/*
+		 * The number of pending SG entries may not correspond to the
+		 * number of mapped SG entries. If all the data are queued, then
+		 * don't include unused SG entries.
+		 */
+		if (length == 0) {
+			req->num_pending_sgs -= req->request.num_mapped_sgs - req->num_queued_sgs;
+			break;
+		}
+
 		if (!dwc3_calc_trbs_left(dep))
 			break;
 	}
@@ -1130,7 +1178,7 @@ static void dwc3_prepare_one_trb_linear(struct dwc3_ep *dep,
 		req->needs_extra_trb = true;
 
 		/* prepare normal TRB */
-		dwc3_prepare_one_trb(dep, req, true, 0);
+		dwc3_prepare_one_trb(dep, req, length, true, 0);
 
 		/* Now prepare one extra TRB to align transfer size */
 		trb = &dep->trb_pool[dep->trb_enqueue];
@@ -1140,6 +1188,7 @@ static void dwc3_prepare_one_trb_linear(struct dwc3_ep *dep,
 				req->request.short_not_ok,
 				req->request.no_interrupt);
 	} else if (req->request.zero && req->request.length &&
+		   !usb_endpoint_xfer_isoc(dep->endpoint.desc) &&
 		   (IS_ALIGNED(req->request.length, maxp))) {
 		struct dwc3	*dwc = dep->dwc;
 		struct dwc3_trb	*trb;
@@ -1147,17 +1196,27 @@ static void dwc3_prepare_one_trb_linear(struct dwc3_ep *dep,
 		req->needs_extra_trb = true;
 
 		/* prepare normal TRB */
-		dwc3_prepare_one_trb(dep, req, true, 0);
+		dwc3_prepare_one_trb(dep, req, length, true, 0);
 
-		/* Now prepare one extra TRB to handle ZLP */
+		/* Prepare one extra TRB to handle ZLP */
 		trb = &dep->trb_pool[dep->trb_enqueue];
 		req->num_trbs++;
 		__dwc3_prepare_one_trb(dep, trb, dwc->bounce_addr, 0,
-				false, 1, req->request.stream_id,
+				!req->direction, 1, req->request.stream_id,
 				req->request.short_not_ok,
 				req->request.no_interrupt);
+
+		/* Prepare one more TRB to handle MPS alignment for OUT */
+		if (!req->direction) {
+			trb = &dep->trb_pool[dep->trb_enqueue];
+			req->num_trbs++;
+			__dwc3_prepare_one_trb(dep, trb, dwc->bounce_addr, maxp,
+					       false, 1, req->request.stream_id,
+					       req->request.short_not_ok,
+					       req->request.no_interrupt);
+		}
 	} else {
-		dwc3_prepare_one_trb(dep, req, false, 0);
+		dwc3_prepare_one_trb(dep, req, length, false, 0);
 	}
 }
 
@@ -2328,8 +2387,17 @@ static int dwc3_gadget_ep_cleanup_completed_request(struct dwc3_ep *dep,
 				status);
 
 	if (req->needs_extra_trb) {
+		unsigned int maxp = usb_endpoint_maxp(dep->endpoint.desc);
+
 		ret = dwc3_gadget_ep_reclaim_trb_linear(dep, req, event,
 				status);
+
+		/* Reclaim MPS padding TRB for ZLP */
+		if (!req->direction && req->request.zero && req->request.length &&
+		    !usb_endpoint_xfer_isoc(dep->endpoint.desc) &&
+		    (IS_ALIGNED(req->request.length, maxp)))
+			ret = dwc3_gadget_ep_reclaim_trb_linear(dep, req, event, status);
+
 		req->needs_extra_trb = false;
 	}
 
diff --git a/drivers/usb/gadget/function/f_ncm.c b/drivers/usb/gadget/function/f_ncm.c
index cfca4584ae13..8d8c81d43069 100644
--- a/drivers/usb/gadget/function/f_ncm.c
+++ b/drivers/usb/gadget/function/f_ncm.c
@@ -1184,12 +1184,15 @@ static int ncm_unwrap_ntb(struct gether *port,
 	int		ndp_index;
 	unsigned	dg_len, dg_len2;
 	unsigned	ndp_len;
+	unsigned	block_len;
 	struct sk_buff	*skb2;
 	int		ret = -EINVAL;
-	unsigned	max_size = le32_to_cpu(ntb_parameters.dwNtbOutMaxSize);
+	unsigned	ntb_max = le32_to_cpu(ntb_parameters.dwNtbOutMaxSize);
+	unsigned	frame_max = le16_to_cpu(ecm_desc.wMaxSegmentSize);
 	const struct ndp_parser_opts *opts = ncm->parser_opts;
 	unsigned	crc_len = ncm->is_crc ? sizeof(uint32_t) : 0;
 	int		dgram_counter;
+	bool		ndp_after_header;
 
 	/* dwSignature */
 	if (get_unaligned_le32(tmp) != opts->nth_sign) {
@@ -1208,25 +1211,37 @@ static int ncm_unwrap_ntb(struct gether *port,
 	}
 	tmp++; /* skip wSequence */
 
+	block_len = get_ncm(&tmp, opts->block_length);
 	/* (d)wBlockLength */
-	if (get_ncm(&tmp, opts->block_length) > max_size) {
+	if (block_len > ntb_max) {
 		INFO(port->func.config->cdev, "OUT size exceeded\n");
 		goto err;
 	}
 
 	ndp_index = get_ncm(&tmp, opts->ndp_index);
+	ndp_after_header = false;
 
 	/* Run through all the NDP's in the NTB */
 	do {
-		/* NCM 3.2 */
-		if (((ndp_index % 4) != 0) &&
-				(ndp_index < opts->nth_size)) {
+		/*
+		 * NCM 3.2
+		 * dwNdpIndex
+		 */
+		if (((ndp_index % 4) != 0) ||
+				(ndp_index < opts->nth_size) ||
+				(ndp_index > (block_len -
+					      opts->ndp_size))) {
 			INFO(port->func.config->cdev, "Bad index: %#X\n",
 			     ndp_index);
 			goto err;
 		}
+		if (ndp_index == opts->nth_size)
+			ndp_after_header = true;
 
-		/* walk through NDP */
+		/*
+		 * walk through NDP
+		 * dwSignature
+		 */
 		tmp = (void *)(skb->data + ndp_index);
 		if (get_unaligned_le32(tmp) != ncm->ndp_sign) {
 			INFO(port->func.config->cdev, "Wrong NDP SIGN\n");
@@ -1237,14 +1252,15 @@ static int ncm_unwrap_ntb(struct gether *port,
 		ndp_len = get_unaligned_le16(tmp++);
 		/*
 		 * NCM 3.3.1
+		 * wLength
 		 * entry is 2 items
 		 * item size is 16/32 bits, opts->dgram_item_len * 2 bytes
 		 * minimal: struct usb_cdc_ncm_ndpX + normal entry + zero entry
 		 * Each entry is a dgram index and a dgram length.
 		 */
 		if ((ndp_len < opts->ndp_size
-				+ 2 * 2 * (opts->dgram_item_len * 2))
-				|| (ndp_len % opts->ndplen_align != 0)) {
+				+ 2 * 2 * (opts->dgram_item_len * 2)) ||
+				(ndp_len % opts->ndplen_align != 0)) {
 			INFO(port->func.config->cdev, "Bad NDP length: %#X\n",
 			     ndp_len);
 			goto err;
@@ -1261,8 +1277,21 @@ static int ncm_unwrap_ntb(struct gether *port,
 
 		do {
 			index = index2;
+			/* wDatagramIndex[0] */
+			if ((index < opts->nth_size) ||
+					(index > block_len - opts->dpe_size)) {
+				INFO(port->func.config->cdev,
+				     "Bad index: %#X\n", index);
+				goto err;
+			}
+
 			dg_len = dg_len2;
-			if (dg_len < 14 + crc_len) { /* ethernet hdr + crc */
+			/*
+			 * wDatagramLength[0]
+			 * ethernet hdr + crc or larger than max frame size
+			 */
+			if ((dg_len < 14 + crc_len) ||
+					(dg_len > frame_max)) {
 				INFO(port->func.config->cdev,
 				     "Bad dgram length: %#X\n", dg_len);
 				goto err;
@@ -1286,6 +1315,37 @@ static int ncm_unwrap_ntb(struct gether *port,
 			index2 = get_ncm(&tmp, opts->dgram_item_len);
 			dg_len2 = get_ncm(&tmp, opts->dgram_item_len);
 
+			if (index2 == 0 || dg_len2 == 0)
+				break;
+
+			/* wDatagramIndex[1] */
+			if (ndp_after_header) {
+				if (index2 < opts->nth_size + opts->ndp_size) {
+					INFO(port->func.config->cdev,
+					     "Bad index: %#X\n", index2);
+					goto err;
+				}
+			} else {
+				if (index2 < opts->nth_size + opts->dpe_size) {
+					INFO(port->func.config->cdev,
+					     "Bad index: %#X\n", index2);
+					goto err;
+				}
+			}
+			if (index2 > block_len - opts->dpe_size) {
+				INFO(port->func.config->cdev,
+				     "Bad index: %#X\n", index2);
+				goto err;
+			}
+
+			/* wDatagramLength[1] */
+			if ((dg_len2 < 14 + crc_len) ||
+					(dg_len2 > frame_max)) {
+				INFO(port->func.config->cdev,
+				     "Bad dgram length: %#X\n", dg_len);
+				goto err;
+			}
+
 			/*
 			 * Copy the data into a new skb.
 			 * This ensures the truesize is correct
@@ -1302,9 +1362,6 @@ static int ncm_unwrap_ntb(struct gether *port,
 			ndp_len -= 2 * (opts->dgram_item_len * 2);
 
 			dgram_counter++;
-
-			if (index2 == 0 || dg_len2 == 0)
-				break;
 		} while (ndp_len > 2 * (opts->dgram_item_len * 2));
 	} while (ndp_index);
 
diff --git a/drivers/usb/gadget/function/f_tcm.c b/drivers/usb/gadget/function/f_tcm.c
index 106988a6661a..785826ab5348 100644
--- a/drivers/usb/gadget/function/f_tcm.c
+++ b/drivers/usb/gadget/function/f_tcm.c
@@ -751,12 +751,13 @@ static int uasp_alloc_stream_res(struct f_uas *fu, struct uas_stream *stream)
 		goto err_sts;
 
 	return 0;
+
 err_sts:
-	usb_ep_free_request(fu->ep_status, stream->req_status);
-	stream->req_status = NULL;
-err_out:
 	usb_ep_free_request(fu->ep_out, stream->req_out);
 	stream->req_out = NULL;
+err_out:
+	usb_ep_free_request(fu->ep_in, stream->req_in);
+	stream->req_in = NULL;
 out:
 	return -ENOMEM;
 }
diff --git a/drivers/usb/gadget/u_f.h b/drivers/usb/gadget/u_f.h
index 09f90447fed5..cfa642655337 100644
--- a/drivers/usb/gadget/u_f.h
+++ b/drivers/usb/gadget/u_f.h
@@ -14,6 +14,7 @@
 #define __U_F_H__
 
 #include <linux/usb/gadget.h>
+#include <linux/overflow.h>
 
 /* Variable Length Array Macros **********************************************/
 #define vla_group(groupname) size_t groupname##__next = 0
@@ -21,21 +22,36 @@
 
 #define vla_item(groupname, type, name, n) \
 	size_t groupname##_##name##__offset = ({			       \
-		size_t align_mask = __alignof__(type) - 1;		       \
-		size_t offset = (groupname##__next + align_mask) & ~align_mask;\
-		size_t size = (n) * sizeof(type);			       \
-		groupname##__next = offset + size;			       \
+		size_t offset = 0;					       \
+		if (groupname##__next != SIZE_MAX) {			       \
+			size_t align_mask = __alignof__(type) - 1;	       \
+			size_t size = array_size(n, sizeof(type));	       \
+			offset = (groupname##__next + align_mask) &	       \
+				  ~align_mask;				       \
+			if (check_add_overflow(offset, size,		       \
+					       &groupname##__next)) {          \
+				groupname##__next = SIZE_MAX;		       \
+				offset = 0;				       \
+			}						       \
+		}							       \
 		offset;							       \
 	})
 
 #define vla_item_with_sz(groupname, type, name, n) \
-	size_t groupname##_##name##__sz = (n) * sizeof(type);		       \
-	size_t groupname##_##name##__offset = ({			       \
-		size_t align_mask = __alignof__(type) - 1;		       \
-		size_t offset = (groupname##__next + align_mask) & ~align_mask;\
-		size_t size = groupname##_##name##__sz;			       \
-		groupname##__next = offset + size;			       \
-		offset;							       \
+	size_t groupname##_##name##__sz = array_size(n, sizeof(type));	        \
+	size_t groupname##_##name##__offset = ({			        \
+		size_t offset = 0;						\
+		if (groupname##__next != SIZE_MAX) {				\
+			size_t align_mask = __alignof__(type) - 1;		\
+			offset = (groupname##__next + align_mask) &		\
+				  ~align_mask;					\
+			if (check_add_overflow(offset, groupname##_##name##__sz,\
+							&groupname##__next)) {	\
+				groupname##__next = SIZE_MAX;			\
+				offset = 0;					\
+			}							\
+		}								\
+		offset;								\
 	})
 
 #define vla_ptr(ptr, groupname, name) \
diff --git a/drivers/usb/host/ohci-exynos.c b/drivers/usb/host/ohci-exynos.c
index c0c4dcca6f3c..a4a88b6de3c4 100644
--- a/drivers/usb/host/ohci-exynos.c
+++ b/drivers/usb/host/ohci-exynos.c
@@ -156,9 +156,8 @@ static int exynos_ohci_probe(struct platform_device *pdev)
 	hcd->rsrc_len = resource_size(res);
 
 	irq = platform_get_irq(pdev, 0);
-	if (!irq) {
-		dev_err(&pdev->dev, "Failed to get IRQ\n");
-		err = -ENODEV;
+	if (irq < 0) {
+		err = irq;
 		goto fail_io;
 	}
 
diff --git a/drivers/usb/host/xhci-debugfs.c b/drivers/usb/host/xhci-debugfs.c
index 76c3f29562d2..448d7b11dec4 100644
--- a/drivers/usb/host/xhci-debugfs.c
+++ b/drivers/usb/host/xhci-debugfs.c
@@ -273,7 +273,7 @@ static int xhci_slot_context_show(struct seq_file *s, void *unused)
 
 static int xhci_endpoint_context_show(struct seq_file *s, void *unused)
 {
-	int			dci;
+	int			ep_index;
 	dma_addr_t		dma;
 	struct xhci_hcd		*xhci;
 	struct xhci_ep_ctx	*ep_ctx;
@@ -282,9 +282,9 @@ static int xhci_endpoint_context_show(struct seq_file *s, void *unused)
 
 	xhci = hcd_to_xhci(bus_to_hcd(dev->udev->bus));
 
-	for (dci = 1; dci < 32; dci++) {
-		ep_ctx = xhci_get_ep_ctx(xhci, dev->out_ctx, dci);
-		dma = dev->out_ctx->dma + dci * CTX_SIZE(xhci->hcc_params);
+	for (ep_index = 0; ep_index < 31; ep_index++) {
+		ep_ctx = xhci_get_ep_ctx(xhci, dev->out_ctx, ep_index);
+		dma = dev->out_ctx->dma + (ep_index + 1) * CTX_SIZE(xhci->hcc_params);
 		seq_printf(s, "%pad: %s\n", &dma,
 			   xhci_decode_ep_context(le32_to_cpu(ep_ctx->ep_info),
 						  le32_to_cpu(ep_ctx->ep_info2),
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index a58ef53e4ae1..64dc94853b8b 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -736,15 +736,6 @@ static void xhci_hub_report_usb3_link_state(struct xhci_hcd *xhci,
 {
 	u32 pls = status_reg & PORT_PLS_MASK;
 
-	/* resume state is a xHCI internal state.
-	 * Do not report it to usb core, instead, pretend to be U3,
-	 * thus usb core knows it's not ready for transfer
-	 */
-	if (pls == XDEV_RESUME) {
-		*status |= USB_SS_PORT_LS_U3;
-		return;
-	}
-
 	/* When the CAS bit is set then warm reset
 	 * should be performed on port
 	 */
@@ -767,6 +758,16 @@ static void xhci_hub_report_usb3_link_state(struct xhci_hcd *xhci,
 		pls |= USB_PORT_STAT_CONNECTION;
 	} else {
 		/*
+		 * Resume state is an xHCI internal state.  Do not report it to
+		 * usb core, instead, pretend to be U3, thus usb core knows
+		 * it's not ready for transfer.
+		 */
+		if (pls == XDEV_RESUME) {
+			*status |= USB_SS_PORT_LS_U3;
+			return;
+		}
+
+		/*
 		 * If CAS bit isn't set but the Port is already at
 		 * Compliance Mode, fake a connection so the USB core
 		 * notices the Compliance state and resets the port.
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 72e61388ce69..9b9e4518174b 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -3154,10 +3154,11 @@ static void xhci_endpoint_reset(struct usb_hcd *hcd,
 
 	wait_for_completion(cfg_cmd->completion);
 
-	ep->ep_state &= ~EP_SOFT_CLEAR_TOGGLE;
 	xhci_free_command(xhci, cfg_cmd);
 cleanup:
 	xhci_free_command(xhci, stop_cmd);
+	if (ep->ep_state & EP_SOFT_CLEAR_TOGGLE)
+		ep->ep_state &= ~EP_SOFT_CLEAR_TOGGLE;
 }
 
 static int xhci_check_streams_endpoint(struct xhci_hcd *xhci,
diff --git a/drivers/usb/misc/lvstest.c b/drivers/usb/misc/lvstest.c
index e5c03c6d16e9..d3b161bdef74 100644
--- a/drivers/usb/misc/lvstest.c
+++ b/drivers/usb/misc/lvstest.c
@@ -429,7 +429,7 @@ static int lvs_rh_probe(struct usb_interface *intf,
 			USB_DT_SS_HUB_SIZE, USB_CTRL_GET_TIMEOUT);
 	if (ret < (USB_DT_HUB_NONVAR_SIZE + 2)) {
 		dev_err(&hdev->dev, "wrong root hub descriptor read %d\n", ret);
-		return ret;
+		return ret < 0 ? ret : -EINVAL;
 	}
 
 	/* submit urb to poll interrupt endpoint */
diff --git a/drivers/usb/misc/sisusbvga/sisusb.c b/drivers/usb/misc/sisusbvga/sisusb.c
index 6376be1f5fd2..4877bf82ad39 100644
--- a/drivers/usb/misc/sisusbvga/sisusb.c
+++ b/drivers/usb/misc/sisusbvga/sisusb.c
@@ -761,7 +761,7 @@ static int sisusb_write_mem_bulk(struct sisusb_usb_data *sisusb, u32 addr,
 	u8   swap8, fromkern = kernbuffer ? 1 : 0;
 	u16  swap16;
 	u32  swap32, flag = (length >> 28) & 1;
-	char buf[4];
+	u8 buf[4];
 
 	/* if neither kernbuffer not userbuffer are given, assume
 	 * data in obuf
diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c
index be0505b8b5d4..785080f79073 100644
--- a/drivers/usb/misc/yurex.c
+++ b/drivers/usb/misc/yurex.c
@@ -492,7 +492,7 @@ static ssize_t yurex_write(struct file *file, const char __user *user_buffer,
 	prepare_to_wait(&dev->waitq, &wait, TASK_INTERRUPTIBLE);
 	dev_dbg(&dev->interface->dev, "%s - submit %c\n", __func__,
 		dev->cntl_buffer[0]);
-	retval = usb_submit_urb(dev->cntl_urb, GFP_KERNEL);
+	retval = usb_submit_urb(dev->cntl_urb, GFP_ATOMIC);
 	if (retval >= 0)
 		timeout = schedule_timeout(YUREX_WRITE_TIMEOUT);
 	finish_wait(&dev->waitq, &wait);
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index f6c3681fa2e9..88275842219e 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -2328,7 +2328,7 @@ UNUSUAL_DEV(  0x357d, 0x7788, 0x0114, 0x0114,
 		"JMicron",
 		"USB to ATA/ATAPI Bridge",
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
-		US_FL_BROKEN_FUA ),
+		US_FL_BROKEN_FUA | US_FL_IGNORE_UAS ),
 
 /* Reported by Andrey Rahmatullin <wrar@altlinux.org> */
 UNUSUAL_DEV(  0x4102, 0x1020, 0x0100,  0x0100,
diff --git a/drivers/usb/storage/unusual_uas.h b/drivers/usb/storage/unusual_uas.h
index 37157ed9a881..dcdfcdfd2ad1 100644
--- a/drivers/usb/storage/unusual_uas.h
+++ b/drivers/usb/storage/unusual_uas.h
@@ -28,6 +28,13 @@
  * and don't forget to CC: the USB development list <linux-usb@vger.kernel.org>
  */
 
+/* Reported-by: Till Dörges <doerges@pre-sense.de> */
+UNUSUAL_DEV(0x054c, 0x087d, 0x0000, 0x9999,
+		"Sony",
+		"PSZ-HA*",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_NO_REPORT_OPCODES),
+
 /* Reported-by: Julian Groß <julian.g@posteo.de> */
 UNUSUAL_DEV(0x059f, 0x105f, 0x0000, 0x9999,
 		"LaCie",
@@ -80,6 +87,13 @@ UNUSUAL_DEV(0x152d, 0x0578, 0x0000, 0x9999,
 		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
 		US_FL_BROKEN_FUA),
 
+/* Reported-by: Thinh Nguyen <thinhn@synopsys.com> */
+UNUSUAL_DEV(0x154b, 0xf00d, 0x0000, 0x9999,
+		"PNY",
+		"Pro Elite SSD",
+		USB_SC_DEVICE, USB_PR_DEVICE, NULL,
+		US_FL_NO_ATA_1X),
+
 /* Reported-by: Hans de Goede <hdegoede@redhat.com> */
 UNUSUAL_DEV(0x2109, 0x0711, 0x0000, 0x9999,
 		"VIA",
diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index cb93a6b38160..f75557b39a61 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -2152,6 +2152,9 @@ static void updatescrollmode(struct display *p,
 	}
 }
 
+#define PITCH(w) (((w) + 7) >> 3)
+#define CALC_FONTSZ(h, p, c) ((h) * (p) * (c)) /* size = height * pitch * charcount */
+
 static int fbcon_resize(struct vc_data *vc, unsigned int width, 
 			unsigned int height, unsigned int user)
 {
@@ -2161,6 +2164,24 @@ static int fbcon_resize(struct vc_data *vc, unsigned int width,
 	struct fb_var_screeninfo var = info->var;
 	int x_diff, y_diff, virt_w, virt_h, virt_fw, virt_fh;
 
+	if (ops->p && ops->p->userfont && FNTSIZE(vc->vc_font.data)) {
+		int size;
+		int pitch = PITCH(vc->vc_font.width);
+
+		/*
+		 * If user font, ensure that a possible change to user font
+		 * height or width will not allow a font data out-of-bounds access.
+		 * NOTE: must use original charcount in calculation as font
+		 * charcount can change and cannot be used to determine the
+		 * font data allocated size.
+		 */
+		if (pitch <= 0)
+			return -EINVAL;
+		size = CALC_FONTSZ(vc->vc_font.height, pitch, FNTCHARCNT(vc->vc_font.data));
+		if (size > FNTSIZE(vc->vc_font.data))
+			return -EINVAL;
+	}
+
 	virt_w = FBCON_SWAP(ops->rotate, width, height);
 	virt_h = FBCON_SWAP(ops->rotate, height, width);
 	virt_fw = FBCON_SWAP(ops->rotate, vc->vc_font.width,
@@ -2623,7 +2644,7 @@ static int fbcon_set_font(struct vc_data *vc, struct console_font *font,
 	int size;
 	int i, csum;
 	u8 *new_data, *data = font->data;
-	int pitch = (font->width+7) >> 3;
+	int pitch = PITCH(font->width);
 
 	/* Is there a reason why fbconsole couldn't handle any charcount >256?
 	 * If not this check should be changed to charcount < 256 */
@@ -2639,7 +2660,7 @@ static int fbcon_set_font(struct vc_data *vc, struct console_font *font,
 	if (fbcon_invalid_charcount(info, charcount))
 		return -EINVAL;
 
-	size = h * pitch * charcount;
+	size = CALC_FONTSZ(h, pitch, charcount);
 
 	new_data = kmalloc(FONT_EXTRA_WORDS * sizeof(int) + size, GFP_USER);
 
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dispc.c b/drivers/video/fbdev/omap2/omapfb/dss/dispc.c
index a06d9c25765c..0bd582e845f3 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/dispc.c
+++ b/drivers/video/fbdev/omap2/omapfb/dss/dispc.c
@@ -531,8 +531,11 @@ int dispc_runtime_get(void)
 	DSSDBG("dispc_runtime_get\n");
 
 	r = pm_runtime_get_sync(&dispc.pdev->dev);
-	WARN_ON(r < 0);
-	return r < 0 ? r : 0;
+	if (WARN_ON(r < 0)) {
+		pm_runtime_put_sync(&dispc.pdev->dev);
+		return r;
+	}
+	return 0;
 }
 EXPORT_SYMBOL(dispc_runtime_get);
 
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dsi.c b/drivers/video/fbdev/omap2/omapfb/dss/dsi.c
index 8e1d60d48dbb..50792d31533b 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/dsi.c
+++ b/drivers/video/fbdev/omap2/omapfb/dss/dsi.c
@@ -1148,8 +1148,11 @@ static int dsi_runtime_get(struct platform_device *dsidev)
 	DSSDBG("dsi_runtime_get\n");
 
 	r = pm_runtime_get_sync(&dsi->pdev->dev);
-	WARN_ON(r < 0);
-	return r < 0 ? r : 0;
+	if (WARN_ON(r < 0)) {
+		pm_runtime_put_sync(&dsi->pdev->dev);
+		return r;
+	}
+	return 0;
 }
 
 static void dsi_runtime_put(struct platform_device *dsidev)
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/dss.c b/drivers/video/fbdev/omap2/omapfb/dss/dss.c
index b6c6c24979dd..faebf9a773ba 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/dss.c
+++ b/drivers/video/fbdev/omap2/omapfb/dss/dss.c
@@ -779,8 +779,11 @@ int dss_runtime_get(void)
 	DSSDBG("dss_runtime_get\n");
 
 	r = pm_runtime_get_sync(&dss.pdev->dev);
-	WARN_ON(r < 0);
-	return r < 0 ? r : 0;
+	if (WARN_ON(r < 0)) {
+		pm_runtime_put_sync(&dss.pdev->dev);
+		return r;
+	}
+	return 0;
 }
 
 void dss_runtime_put(void)
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/hdmi4.c b/drivers/video/fbdev/omap2/omapfb/dss/hdmi4.c
index 28de56e21c74..9fd9a02bb871 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/hdmi4.c
+++ b/drivers/video/fbdev/omap2/omapfb/dss/hdmi4.c
@@ -50,9 +50,10 @@ static int hdmi_runtime_get(void)
 	DSSDBG("hdmi_runtime_get\n");
 
 	r = pm_runtime_get_sync(&hdmi.pdev->dev);
-	WARN_ON(r < 0);
-	if (r < 0)
+	if (WARN_ON(r < 0)) {
+		pm_runtime_put_sync(&hdmi.pdev->dev);
 		return r;
+	}
 
 	return 0;
 }
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/hdmi5.c b/drivers/video/fbdev/omap2/omapfb/dss/hdmi5.c
index 2e2fcc3d6d4f..13f3a5ce5529 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/hdmi5.c
+++ b/drivers/video/fbdev/omap2/omapfb/dss/hdmi5.c
@@ -54,9 +54,10 @@ static int hdmi_runtime_get(void)
 	DSSDBG("hdmi_runtime_get\n");
 
 	r = pm_runtime_get_sync(&hdmi.pdev->dev);
-	WARN_ON(r < 0);
-	if (r < 0)
+	if (WARN_ON(r < 0)) {
+		pm_runtime_put_sync(&hdmi.pdev->dev);
 		return r;
+	}
 
 	return 0;
 }
diff --git a/drivers/video/fbdev/omap2/omapfb/dss/venc.c b/drivers/video/fbdev/omap2/omapfb/dss/venc.c
index 392464da12e4..96714b4596d2 100644
--- a/drivers/video/fbdev/omap2/omapfb/dss/venc.c
+++ b/drivers/video/fbdev/omap2/omapfb/dss/venc.c
@@ -402,8 +402,11 @@ static int venc_runtime_get(void)
 	DSSDBG("venc_runtime_get\n");
 
 	r = pm_runtime_get_sync(&venc.pdev->dev);
-	WARN_ON(r < 0);
-	return r < 0 ? r : 0;
+	if (WARN_ON(r < 0)) {
+		pm_runtime_put_sync(&venc.pdev->dev);
+		return r;
+	}
+	return 0;
 }
 
 static void venc_runtime_put(void)
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index 8d49b91d92cd..95e5a9300ff0 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -154,7 +154,7 @@ int get_evtchn_to_irq(unsigned evtchn)
 /* Get info for IRQ */
 struct irq_info *info_for_irq(unsigned irq)
 {
-	return irq_get_handler_data(irq);
+	return irq_get_chip_data(irq);
 }
 
 /* Constructors for packed IRQ information. */
@@ -375,7 +375,7 @@ static void xen_irq_init(unsigned irq)
 	info->type = IRQT_UNBOUND;
 	info->refcnt = -1;
 
-	irq_set_handler_data(irq, info);
+	irq_set_chip_data(irq, info);
 
 	list_add_tail(&info->list, &xen_irq_list_head);
 }
@@ -424,14 +424,14 @@ static int __must_check xen_allocate_irq_gsi(unsigned gsi)
 
 static void xen_free_irq(unsigned irq)
 {
-	struct irq_info *info = irq_get_handler_data(irq);
+	struct irq_info *info = irq_get_chip_data(irq);
 
 	if (WARN_ON(!info))
 		return;
 
 	list_del(&info->list);
 
-	irq_set_handler_data(irq, NULL);
+	irq_set_chip_data(irq, NULL);
 
 	WARN_ON(info->refcnt > 0);
 
@@ -601,7 +601,7 @@ EXPORT_SYMBOL_GPL(xen_irq_from_gsi);
 static void __unbind_from_irq(unsigned int irq)
 {
 	int evtchn = evtchn_from_irq(irq);
-	struct irq_info *info = irq_get_handler_data(irq);
+	struct irq_info *info = irq_get_chip_data(irq);
 
 	if (info->refcnt > 0) {
 		info->refcnt--;
@@ -1105,7 +1105,7 @@ int bind_ipi_to_irqhandler(enum ipi_vector ipi,
 
 void unbind_from_irqhandler(unsigned int irq, void *dev_id)
 {
-	struct irq_info *info = irq_get_handler_data(irq);
+	struct irq_info *info = irq_get_chip_data(irq);
 
 	if (WARN_ON(!info))
 		return;
@@ -1139,7 +1139,7 @@ int evtchn_make_refcounted(unsigned int evtchn)
 	if (irq == -1)
 		return -ENOENT;
 
-	info = irq_get_handler_data(irq);
+	info = irq_get_chip_data(irq);
 
 	if (!info)
 		return -ENOENT;
@@ -1167,7 +1167,7 @@ int evtchn_get(unsigned int evtchn)
 	if (irq == -1)
 		goto done;
 
-	info = irq_get_handler_data(irq);
+	info = irq_get_chip_data(irq);
 
 	if (!info)
 		goto done;
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 3130844e219c..cb21ffd3bba7 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -4444,6 +4444,7 @@ static void btrfs_cleanup_bg_io(struct btrfs_block_group_cache *cache)
 		cache->io_ctl.inode = NULL;
 		iput(inode);
 	}
+	ASSERT(cache->io_ctl.pages == NULL);
 	btrfs_put_block_group(cache);
 }
 
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index dc1841855a69..646152f30584 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -3010,14 +3010,14 @@ reserve_space:
 		if (ret < 0)
 			goto out;
 		space_reserved = true;
-		ret = btrfs_qgroup_reserve_data(inode, &data_reserved,
-						alloc_start, bytes_to_reserve);
-		if (ret)
-			goto out;
 		ret = btrfs_punch_hole_lock_range(inode, lockstart, lockend,
 						  &cached_state);
 		if (ret)
 			goto out;
+		ret = btrfs_qgroup_reserve_data(inode, &data_reserved,
+						alloc_start, bytes_to_reserve);
+		if (ret)
+			goto out;
 		ret = btrfs_prealloc_file_range(inode, mode, alloc_start,
 						alloc_end - alloc_start,
 						i_blocksize(inode),
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 4c65305fd418..652b0b16e93e 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -1167,7 +1167,6 @@ static int __btrfs_wait_cache_io(struct btrfs_root *root,
 	ret = update_cache_item(trans, root, inode, path, offset,
 				io_ctl->entries, io_ctl->bitmaps);
 out:
-	io_ctl_free(io_ctl);
 	if (ret) {
 		invalidate_inode_pages2(inode->i_mapping);
 		BTRFS_I(inode)->generation = 0;
@@ -1332,6 +1331,7 @@ static int __btrfs_write_out_cache(struct btrfs_root *root, struct inode *inode,
 	 * them out later
 	 */
 	io_ctl_drop_pages(io_ctl);
+	io_ctl_free(io_ctl);
 
 	unlock_extent_cached(&BTRFS_I(inode)->io_tree, 0,
 			     i_size_read(inode) - 1, &cached_state);
diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 4d2810a32b4a..40f5b4dcb927 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -539,6 +539,7 @@ int btrfs_parse_options(struct btrfs_fs_info *info, char *options,
 			} else if (strncmp(args[0].from, "lzo", 3) == 0) {
 				compress_type = "lzo";
 				info->compress_type = BTRFS_COMPRESS_LZO;
+				info->compress_level = 0;
 				btrfs_set_opt(info->mount_opt, COMPRESS);
 				btrfs_clear_opt(info->mount_opt, NODATACOW);
 				btrfs_clear_opt(info->mount_opt, NODATASUM);
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 090315f4ac78..3e903e6a3387 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -3422,11 +3422,13 @@ fail:
 	btrfs_free_path(path);
 out_unlock:
 	mutex_unlock(&dir->log_mutex);
-	if (ret == -ENOSPC) {
+	if (err == -ENOSPC) {
 		btrfs_set_log_full_commit(root->fs_info, trans);
-		ret = 0;
-	} else if (ret < 0)
-		btrfs_abort_transaction(trans, ret);
+		err = 0;
+	} else if (err < 0 && err != -ENOENT) {
+		/* ENOENT can be returned if the entry hasn't been fsynced yet */
+		btrfs_abort_transaction(trans, err);
+	}
 
 	btrfs_end_log_trans(root);
 
diff --git a/fs/buffer.c b/fs/buffer.c
index 9718f7d4ff93..30b8850b953c 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -3196,6 +3196,15 @@ int __sync_dirty_buffer(struct buffer_head *bh, int op_flags)
 	WARN_ON(atomic_read(&bh->b_count) < 1);
 	lock_buffer(bh);
 	if (test_clear_buffer_dirty(bh)) {
+		/*
+		 * The bh should be mapped, but it might not be if the
+		 * device was hot-removed. Not much we can do but fail the I/O.
+		 */
+		if (!buffer_mapped(bh)) {
+			unlock_buffer(bh);
+			return -EIO;
+		}
+
 		get_bh(bh);
 		bh->b_end_io = end_buffer_write_sync;
 		ret = submit_bh(REQ_OP_WRITE, op_flags, bh);
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 0fa14d8b9c64..5f3707a90e7f 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -3615,6 +3615,9 @@ static void delayed_work(struct work_struct *work)
 	dout("mdsc delayed_work\n");
 	ceph_check_delayed_caps(mdsc);
 
+	if (mdsc->stopping)
+		return;
+
 	mutex_lock(&mdsc->mutex);
 	renew_interval = mdsc->mdsmap->m_session_timeout >> 2;
 	renew_caps = time_after_eq(jiffies, HZ*renew_interval +
@@ -3950,7 +3953,16 @@ void ceph_mdsc_force_umount(struct ceph_mds_client *mdsc)
 static void ceph_mdsc_stop(struct ceph_mds_client *mdsc)
 {
 	dout("stop\n");
-	cancel_delayed_work_sync(&mdsc->delayed_work); /* cancel timer */
+	/*
+	 * Make sure the delayed work stopped before releasing
+	 * the resources.
+	 *
+	 * Because the cancel_delayed_work_sync() will only
+	 * guarantee that the work finishes executing. But the
+	 * delayed work will re-arm itself again after that.
+	 */
+	flush_delayed_work(&mdsc->delayed_work);
+
 	if (mdsc->mdsmap)
 		ceph_mdsmap_destroy(mdsc->mdsmap);
 	kfree(mdsc->sessions);
diff --git a/fs/ext4/block_validity.c b/fs/ext4/block_validity.c
index 552164034d34..f22a89cdb407 100644
--- a/fs/ext4/block_validity.c
+++ b/fs/ext4/block_validity.c
@@ -250,14 +250,6 @@ int ext4_setup_system_zone(struct super_block *sb)
 	int flex_size = ext4_flex_bg_size(sbi);
 	int ret;
 
-	if (!test_opt(sb, BLOCK_VALIDITY)) {
-		if (sbi->system_blks)
-			ext4_release_system_zone(sb);
-		return 0;
-	}
-	if (sbi->system_blks)
-		return 0;
-
 	system_blks = kzalloc(sizeof(*system_blks), GFP_KERNEL);
 	if (!system_blks)
 		return -ENOMEM;
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index eed9984acd7a..9b9c539e8897 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -66,10 +66,10 @@ static int ext4_load_journal(struct super_block *, struct ext4_super_block *,
 			     unsigned long journal_devnum);
 static int ext4_show_options(struct seq_file *seq, struct dentry *root);
 static int ext4_commit_super(struct super_block *sb, int sync);
-static void ext4_mark_recovery_complete(struct super_block *sb,
+static int ext4_mark_recovery_complete(struct super_block *sb,
 					struct ext4_super_block *es);
-static void ext4_clear_journal_err(struct super_block *sb,
-				   struct ext4_super_block *es);
+static int ext4_clear_journal_err(struct super_block *sb,
+				  struct ext4_super_block *es);
 static int ext4_sync_fs(struct super_block *sb, int wait);
 static int ext4_remount(struct super_block *sb, int *flags, char *data);
 static int ext4_statfs(struct dentry *dentry, struct kstatfs *buf);
@@ -4629,11 +4629,13 @@ no_journal:
 
 	ext4_set_resv_clusters(sb);
 
-	err = ext4_setup_system_zone(sb);
-	if (err) {
-		ext4_msg(sb, KERN_ERR, "failed to initialize system "
-			 "zone (%d)", err);
-		goto failed_mount4a;
+	if (test_opt(sb, BLOCK_VALIDITY)) {
+		err = ext4_setup_system_zone(sb);
+		if (err) {
+			ext4_msg(sb, KERN_ERR, "failed to initialize system "
+				 "zone (%d)", err);
+			goto failed_mount4a;
+		}
 	}
 
 	ext4_ext_init(sb);
@@ -4701,7 +4703,9 @@ no_journal:
 	EXT4_SB(sb)->s_mount_state &= ~EXT4_ORPHAN_FS;
 	if (needs_recovery) {
 		ext4_msg(sb, KERN_INFO, "recovery complete");
-		ext4_mark_recovery_complete(sb, es);
+		err = ext4_mark_recovery_complete(sb, es);
+		if (err)
+			goto failed_mount8;
 	}
 	if (EXT4_SB(sb)->s_journal) {
 		if (test_opt(sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA)
@@ -4744,10 +4748,8 @@ cantfind_ext4:
 		ext4_msg(sb, KERN_ERR, "VFS: Can't find ext4 filesystem");
 	goto failed_mount;
 
-#ifdef CONFIG_QUOTA
 failed_mount8:
 	ext4_unregister_sysfs(sb);
-#endif
 failed_mount7:
 	ext4_unregister_li_request(sb);
 failed_mount6:
@@ -4889,7 +4891,8 @@ static journal_t *ext4_get_journal(struct super_block *sb,
 	struct inode *journal_inode;
 	journal_t *journal;
 
-	BUG_ON(!ext4_has_feature_journal(sb));
+	if (WARN_ON_ONCE(!ext4_has_feature_journal(sb)))
+		return NULL;
 
 	journal_inode = ext4_get_journal_inode(sb, journal_inum);
 	if (!journal_inode)
@@ -4919,7 +4922,8 @@ static journal_t *ext4_get_dev_journal(struct super_block *sb,
 	struct ext4_super_block *es;
 	struct block_device *bdev;
 
-	BUG_ON(!ext4_has_feature_journal(sb));
+	if (WARN_ON_ONCE(!ext4_has_feature_journal(sb)))
+		return NULL;
 
 	bdev = ext4_blkdev_get(j_dev, sb);
 	if (bdev == NULL)
@@ -5010,8 +5014,10 @@ static int ext4_load_journal(struct super_block *sb,
 	dev_t journal_dev;
 	int err = 0;
 	int really_read_only;
+	int journal_dev_ro;
 
-	BUG_ON(!ext4_has_feature_journal(sb));
+	if (WARN_ON_ONCE(!ext4_has_feature_journal(sb)))
+		return -EFSCORRUPTED;
 
 	if (journal_devnum &&
 	    journal_devnum != le32_to_cpu(es->s_journal_dev)) {
@@ -5021,7 +5027,31 @@ static int ext4_load_journal(struct super_block *sb,
 	} else
 		journal_dev = new_decode_dev(le32_to_cpu(es->s_journal_dev));
 
-	really_read_only = bdev_read_only(sb->s_bdev);
+	if (journal_inum && journal_dev) {
+		ext4_msg(sb, KERN_ERR,
+			 "filesystem has both journal inode and journal device!");
+		return -EINVAL;
+	}
+
+	if (journal_inum) {
+		journal = ext4_get_journal(sb, journal_inum);
+		if (!journal)
+			return -EINVAL;
+	} else {
+		journal = ext4_get_dev_journal(sb, journal_dev);
+		if (!journal)
+			return -EINVAL;
+	}
+
+	journal_dev_ro = bdev_read_only(journal->j_dev);
+	really_read_only = bdev_read_only(sb->s_bdev) | journal_dev_ro;
+
+	if (journal_dev_ro && !sb_rdonly(sb)) {
+		ext4_msg(sb, KERN_ERR,
+			 "journal device read-only, try mounting with '-o ro'");
+		err = -EROFS;
+		goto err_out;
+	}
 
 	/*
 	 * Are we loading a blank journal or performing recovery after a
@@ -5036,27 +5066,14 @@ static int ext4_load_journal(struct super_block *sb,
 				ext4_msg(sb, KERN_ERR, "write access "
 					"unavailable, cannot proceed "
 					"(try mounting with noload)");
-				return -EROFS;
+				err = -EROFS;
+				goto err_out;
 			}
 			ext4_msg(sb, KERN_INFO, "write access will "
 			       "be enabled during recovery");
 		}
 	}
 
-	if (journal_inum && journal_dev) {
-		ext4_msg(sb, KERN_ERR, "filesystem has both journal "
-		       "and inode journals!");
-		return -EINVAL;
-	}
-
-	if (journal_inum) {
-		if (!(journal = ext4_get_journal(sb, journal_inum)))
-			return -EINVAL;
-	} else {
-		if (!(journal = ext4_get_dev_journal(sb, journal_dev)))
-			return -EINVAL;
-	}
-
 	if (!(journal->j_flags & JBD2_BARRIER))
 		ext4_msg(sb, KERN_INFO, "barriers disabled");
 
@@ -5076,12 +5093,16 @@ static int ext4_load_journal(struct super_block *sb,
 
 	if (err) {
 		ext4_msg(sb, KERN_ERR, "error loading journal");
-		jbd2_journal_destroy(journal);
-		return err;
+		goto err_out;
 	}
 
 	EXT4_SB(sb)->s_journal = journal;
-	ext4_clear_journal_err(sb, es);
+	err = ext4_clear_journal_err(sb, es);
+	if (err) {
+		EXT4_SB(sb)->s_journal = NULL;
+		jbd2_journal_destroy(journal);
+		return err;
+	}
 
 	if (!really_read_only && journal_devnum &&
 	    journal_devnum != le32_to_cpu(es->s_journal_dev)) {
@@ -5092,6 +5113,10 @@ static int ext4_load_journal(struct super_block *sb,
 	}
 
 	return 0;
+
+err_out:
+	jbd2_journal_destroy(journal);
+	return err;
 }
 
 static int ext4_commit_super(struct super_block *sb, int sync)
@@ -5104,13 +5129,6 @@ static int ext4_commit_super(struct super_block *sb, int sync)
 		return error;
 
 	/*
-	 * The superblock bh should be mapped, but it might not be if the
-	 * device was hot-removed. Not much we can do but fail the I/O.
-	 */
-	if (!buffer_mapped(sbh))
-		return error;
-
-	/*
 	 * If the file system is mounted read-only, don't update the
 	 * superblock write time.  This avoids updating the superblock
 	 * write time when we are mounting the root file system
@@ -5177,26 +5195,32 @@ static int ext4_commit_super(struct super_block *sb, int sync)
  * remounting) the filesystem readonly, then we will end up with a
  * consistent fs on disk.  Record that fact.
  */
-static void ext4_mark_recovery_complete(struct super_block *sb,
-					struct ext4_super_block *es)
+static int ext4_mark_recovery_complete(struct super_block *sb,
+				       struct ext4_super_block *es)
 {
+	int err;
 	journal_t *journal = EXT4_SB(sb)->s_journal;
 
 	if (!ext4_has_feature_journal(sb)) {
-		BUG_ON(journal != NULL);
-		return;
+		if (journal != NULL) {
+			ext4_error(sb, "Journal got removed while the fs was "
+				   "mounted!");
+			return -EFSCORRUPTED;
+		}
+		return 0;
 	}
 	jbd2_journal_lock_updates(journal);
-	if (jbd2_journal_flush(journal) < 0)
+	err = jbd2_journal_flush(journal);
+	if (err < 0)
 		goto out;
 
 	if (ext4_has_feature_journal_needs_recovery(sb) && sb_rdonly(sb)) {
 		ext4_clear_feature_journal_needs_recovery(sb);
 		ext4_commit_super(sb, 1);
 	}
-
 out:
 	jbd2_journal_unlock_updates(journal);
+	return err;
 }
 
 /*
@@ -5204,14 +5228,17 @@ out:
  * has recorded an error from a previous lifetime, move that error to the
  * main filesystem now.
  */
-static void ext4_clear_journal_err(struct super_block *sb,
+static int ext4_clear_journal_err(struct super_block *sb,
 				   struct ext4_super_block *es)
 {
 	journal_t *journal;
 	int j_errno;
 	const char *errstr;
 
-	BUG_ON(!ext4_has_feature_journal(sb));
+	if (!ext4_has_feature_journal(sb)) {
+		ext4_error(sb, "Journal got removed while the fs was mounted!");
+		return -EFSCORRUPTED;
+	}
 
 	journal = EXT4_SB(sb)->s_journal;
 
@@ -5236,6 +5263,7 @@ static void ext4_clear_journal_err(struct super_block *sb,
 		jbd2_journal_clear_err(journal);
 		jbd2_journal_update_sb_errno(journal);
 	}
+	return 0;
 }
 
 /*
@@ -5378,7 +5406,7 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
 {
 	struct ext4_super_block *es;
 	struct ext4_sb_info *sbi = EXT4_SB(sb);
-	unsigned long old_sb_flags;
+	unsigned long old_sb_flags, vfs_flags;
 	struct ext4_mount_options old_opts;
 	int enable_quota = 0;
 	ext4_group_t g;
@@ -5421,6 +5449,14 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
 	if (sbi->s_journal && sbi->s_journal->j_task->io_context)
 		journal_ioprio = sbi->s_journal->j_task->io_context->ioprio;
 
+	/*
+	 * Some options can be enabled by ext4 and/or by VFS mount flag
+	 * either way we need to make sure it matches in both *flags and
+	 * s_flags. Copy those selected flags from *flags to s_flags
+	 */
+	vfs_flags = SB_LAZYTIME | SB_I_VERSION;
+	sb->s_flags = (sb->s_flags & ~vfs_flags) | (*flags & vfs_flags);
+
 	if (!parse_options(data, sb, NULL, &journal_ioprio, 1)) {
 		err = -EINVAL;
 		goto restore_opts;
@@ -5474,9 +5510,6 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
 		set_task_ioprio(sbi->s_journal->j_task, journal_ioprio);
 	}
 
-	if (*flags & SB_LAZYTIME)
-		sb->s_flags |= SB_LAZYTIME;
-
 	if ((bool)(*flags & SB_RDONLY) != sb_rdonly(sb)) {
 		if (sbi->s_mount_flags & EXT4_MF_FS_ABORTED) {
 			err = -EROFS;
@@ -5506,8 +5539,13 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
 			    (sbi->s_mount_state & EXT4_VALID_FS))
 				es->s_state = cpu_to_le16(sbi->s_mount_state);
 
-			if (sbi->s_journal)
+			if (sbi->s_journal) {
+				/*
+				 * We let remount-ro finish even if marking fs
+				 * as clean failed...
+				 */
 				ext4_mark_recovery_complete(sb, es);
+			}
 			if (sbi->s_mmp_tsk)
 				kthread_stop(sbi->s_mmp_tsk);
 		} else {
@@ -5555,8 +5593,11 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
 			 * been changed by e2fsck since we originally mounted
 			 * the partition.)
 			 */
-			if (sbi->s_journal)
-				ext4_clear_journal_err(sb, es);
+			if (sbi->s_journal) {
+				err = ext4_clear_journal_err(sb, es);
+				if (err)
+					goto restore_opts;
+			}
 			sbi->s_mount_state = le16_to_cpu(es->s_state);
 
 			err = ext4_setup_super(sb, es, 0);
@@ -5586,7 +5627,17 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
 		ext4_register_li_request(sb, first_not_zeroed);
 	}
 
-	ext4_setup_system_zone(sb);
+	/*
+	 * Handle creation of system zone data early because it can fail.
+	 * Releasing of existing data is done when we are sure remount will
+	 * succeed.
+	 */
+	if (test_opt(sb, BLOCK_VALIDITY) && !sbi->system_blks) {
+		err = ext4_setup_system_zone(sb);
+		if (err)
+			goto restore_opts;
+	}
+
 	if (sbi->s_journal == NULL && !(old_sb_flags & SB_RDONLY)) {
 		err = ext4_commit_super(sb, 1);
 		if (err)
@@ -5607,8 +5658,16 @@ static int ext4_remount(struct super_block *sb, int *flags, char *data)
 		}
 	}
 #endif
+	if (!test_opt(sb, BLOCK_VALIDITY) && sbi->system_blks)
+		ext4_release_system_zone(sb);
+
+	/*
+	 * Some options can be enabled by ext4 and/or by VFS mount flag
+	 * either way we need to make sure it matches in both *flags and
+	 * s_flags. Copy those selected flags from s_flags to *flags
+	 */
+	*flags = (*flags & ~vfs_flags) | (sb->s_flags & vfs_flags);
 
-	*flags = (*flags & ~SB_LAZYTIME) | (sb->s_flags & SB_LAZYTIME);
 	ext4_msg(sb, KERN_INFO, "re-mounted. Opts: %s", orig_data);
 	kfree(orig_data);
 	return 0;
@@ -5622,6 +5681,8 @@ restore_opts:
 	sbi->s_commit_interval = old_opts.s_commit_interval;
 	sbi->s_min_batch_time = old_opts.s_min_batch_time;
 	sbi->s_max_batch_time = old_opts.s_max_batch_time;
+	if (!test_opt(sb, BLOCK_VALIDITY) && sbi->system_blks)
+		ext4_release_system_zone(sb);
 #ifdef CONFIG_QUOTA
 	sbi->s_jquota_fmt = old_opts.s_jquota_fmt;
 	for (i = 0; i < EXT4_MAXQUOTAS; i++) {
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 7dda6a5c51a9..5fb596b81d5f 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -3294,7 +3294,7 @@ bool f2fs_alloc_nid(struct f2fs_sb_info *sbi, nid_t *nid);
 void f2fs_alloc_nid_done(struct f2fs_sb_info *sbi, nid_t nid);
 void f2fs_alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid);
 int f2fs_try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink);
-void f2fs_recover_inline_xattr(struct inode *inode, struct page *page);
+int f2fs_recover_inline_xattr(struct inode *inode, struct page *page);
 int f2fs_recover_xattr_data(struct inode *inode, struct page *page);
 int f2fs_recover_inode_page(struct f2fs_sb_info *sbi, struct page *page);
 int f2fs_restore_node_summary(struct f2fs_sb_info *sbi,
@@ -3755,7 +3755,7 @@ int f2fs_convert_inline_page(struct dnode_of_data *dn, struct page *page);
 int f2fs_convert_inline_inode(struct inode *inode);
 int f2fs_try_convert_inline_dir(struct inode *dir, struct dentry *dentry);
 int f2fs_write_inline_data(struct inode *inode, struct page *page);
-bool f2fs_recover_inline_data(struct inode *inode, struct page *npage);
+int f2fs_recover_inline_data(struct inode *inode, struct page *npage);
 struct f2fs_dir_entry *f2fs_find_in_inline_dir(struct inode *dir,
 					const struct f2fs_filename *fname,
 					struct page **res_page);
diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
index 5e7aaa1caaa7..e85a005c7b7f 100644
--- a/fs/f2fs/inline.c
+++ b/fs/f2fs/inline.c
@@ -270,7 +270,7 @@ int f2fs_write_inline_data(struct inode *inode, struct page *page)
 	return 0;
 }
 
-bool f2fs_recover_inline_data(struct inode *inode, struct page *npage)
+int f2fs_recover_inline_data(struct inode *inode, struct page *npage)
 {
 	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
 	struct f2fs_inode *ri = NULL;
@@ -292,7 +292,8 @@ bool f2fs_recover_inline_data(struct inode *inode, struct page *npage)
 			ri && (ri->i_inline & F2FS_INLINE_DATA)) {
 process_inline:
 		ipage = f2fs_get_node_page(sbi, inode->i_ino);
-		f2fs_bug_on(sbi, IS_ERR(ipage));
+		if (IS_ERR(ipage))
+			return PTR_ERR(ipage);
 
 		f2fs_wait_on_page_writeback(ipage, NODE, true, true);
 
@@ -305,21 +306,25 @@ process_inline:
 
 		set_page_dirty(ipage);
 		f2fs_put_page(ipage, 1);
-		return true;
+		return 1;
 	}
 
 	if (f2fs_has_inline_data(inode)) {
 		ipage = f2fs_get_node_page(sbi, inode->i_ino);
-		f2fs_bug_on(sbi, IS_ERR(ipage));
+		if (IS_ERR(ipage))
+			return PTR_ERR(ipage);
 		f2fs_truncate_inline_inode(inode, ipage, 0);
 		clear_inode_flag(inode, FI_INLINE_DATA);
 		f2fs_put_page(ipage, 1);
 	} else if (ri && (ri->i_inline & F2FS_INLINE_DATA)) {
-		if (f2fs_truncate_blocks(inode, 0, false))
-			return false;
+		int ret;
+
+		ret = f2fs_truncate_blocks(inode, 0, false);
+		if (ret)
+			return ret;
 		goto process_inline;
 	}
-	return false;
+	return 0;
 }
 
 struct f2fs_dir_entry *f2fs_find_in_inline_dir(struct inode *dir,
diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index bd9da9de9b17..d03a7d05e363 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -2572,7 +2572,7 @@ int f2fs_try_to_free_nids(struct f2fs_sb_info *sbi, int nr_shrink)
 	return nr - nr_shrink;
 }
 
-void f2fs_recover_inline_xattr(struct inode *inode, struct page *page)
+int f2fs_recover_inline_xattr(struct inode *inode, struct page *page)
 {
 	void *src_addr, *dst_addr;
 	size_t inline_size;
@@ -2580,7 +2580,8 @@ void f2fs_recover_inline_xattr(struct inode *inode, struct page *page)
 	struct f2fs_inode *ri;
 
 	ipage = f2fs_get_node_page(F2FS_I_SB(inode), inode->i_ino);
-	f2fs_bug_on(F2FS_I_SB(inode), IS_ERR(ipage));
+	if (IS_ERR(ipage))
+		return PTR_ERR(ipage);
 
 	ri = F2FS_INODE(page);
 	if (ri->i_inline & F2FS_INLINE_XATTR) {
@@ -2599,6 +2600,7 @@ void f2fs_recover_inline_xattr(struct inode *inode, struct page *page)
 update_inode:
 	f2fs_update_inode(inode, ipage);
 	f2fs_put_page(ipage, 1);
+	return 0;
 }
 
 int f2fs_recover_xattr_data(struct inode *inode, struct page *page)
diff --git a/fs/f2fs/recovery.c b/fs/f2fs/recovery.c
index 0f1b3c19e95d..1ad3d1fd0c35 100644
--- a/fs/f2fs/recovery.c
+++ b/fs/f2fs/recovery.c
@@ -554,7 +554,9 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode,
 
 	/* step 1: recover xattr */
 	if (IS_INODE(page)) {
-		f2fs_recover_inline_xattr(inode, page);
+		err = f2fs_recover_inline_xattr(inode, page);
+		if (err)
+			goto out;
 	} else if (f2fs_has_xattr_block(ofs_of_node(page))) {
 		err = f2fs_recover_xattr_data(inode, page);
 		if (!err)
@@ -563,8 +565,12 @@ static int do_recover_data(struct f2fs_sb_info *sbi, struct inode *inode,
 	}
 
 	/* step 2: recover inline data */
-	if (f2fs_recover_inline_data(inode, page))
+	err = f2fs_recover_inline_data(inode, page);
+	if (err) {
+		if (err == 1)
+			err = 0;
 		goto out;
+	}
 
 	/* step 3: recover data indices */
 	start = f2fs_start_bidx_of_node(ofs_of_node(page), inode);
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 986f3d55d571..70e6a0844c6b 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -1186,6 +1186,9 @@ static void f2fs_put_super(struct super_block *sb)
 	int i;
 	bool dropped;
 
+	/* unregister procfs/sysfs entries in advance to avoid race case */
+	f2fs_unregister_sysfs(sbi);
+
 	f2fs_quota_off_umount(sb);
 
 	/* prevent remaining shrinker jobs */
@@ -1251,8 +1254,6 @@ static void f2fs_put_super(struct super_block *sb)
 
 	kvfree(sbi->ckpt);
 
-	f2fs_unregister_sysfs(sbi);
-
 	sb->s_fs_info = NULL;
 	if (sbi->s_chksum_driver)
 		crypto_free_shash(sbi->s_chksum_driver);
diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index 43693b679710..8c305593fb51 100644
--- a/fs/jbd2/transaction.c
+++ b/fs/jbd2/transaction.c
@@ -1915,6 +1915,9 @@ static void __jbd2_journal_temp_unlink_buffer(struct journal_head *jh)
  */
 static void __jbd2_journal_unfile_buffer(struct journal_head *jh)
 {
+	J_ASSERT_JH(jh, jh->b_transaction != NULL);
+	J_ASSERT_JH(jh, jh->b_next_transaction == NULL);
+
 	__jbd2_journal_temp_unlink_buffer(jh);
 	jh->b_transaction = NULL;
 	jbd2_journal_put_journal_head(jh);
@@ -2006,6 +2009,7 @@ int jbd2_journal_try_to_free_buffers(journal_t *journal,
 {
 	struct buffer_head *head;
 	struct buffer_head *bh;
+	bool has_write_io_error = false;
 	int ret = 0;
 
 	J_ASSERT(PageLocked(page));
@@ -2030,11 +2034,26 @@ int jbd2_journal_try_to_free_buffers(journal_t *journal,
 		jbd_unlock_bh_state(bh);
 		if (buffer_jbd(bh))
 			goto busy;
+
+		/*
+		 * If we free a metadata buffer which has been failed to
+		 * write out, the jbd2 checkpoint procedure will not detect
+		 * this failure and may lead to filesystem inconsistency
+		 * after cleanup journal tail.
+		 */
+		if (buffer_write_io_error(bh)) {
+			pr_err("JBD2: Error while async write back metadata bh %llu.",
+			       (unsigned long long)bh->b_blocknr);
+			has_write_io_error = true;
+		}
 	} while ((bh = bh->b_this_page) != head);
 
 	ret = try_to_free_buffers(page);
 
 busy:
+	if (has_write_io_error)
+		jbd2_journal_abort(journal, -EIO);
+
 	return ret;
 }
 
@@ -2462,6 +2481,13 @@ void __jbd2_journal_refile_buffer(struct journal_head *jh)
 
 	was_dirty = test_clear_buffer_jbddirty(bh);
 	__jbd2_journal_temp_unlink_buffer(jh);
+
+	/*
+	 * b_transaction must be set, otherwise the new b_transaction won't
+	 * be holding jh reference
+	 */
+	J_ASSERT_JH(jh, jh->b_transaction != NULL);
+
 	/*
 	 * We set b_transaction here because b_next_transaction will inherit
 	 * our jh reference and thus __jbd2_journal_file_buffer() must not
diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c
index 901f27ac94ab..56e9043bddc7 100644
--- a/fs/xfs/xfs_icache.c
+++ b/fs/xfs/xfs_icache.c
@@ -1127,7 +1127,7 @@ restart:
 			goto out_ifunlock;
 		xfs_iunpin_wait(ip);
 	}
-	if (xfs_iflags_test(ip, XFS_ISTALE) || xfs_inode_clean(ip)) {
+	if (xfs_inode_clean(ip)) {
 		xfs_ifunlock(ip);
 		goto reclaim;
 	}
@@ -1214,6 +1214,7 @@ reclaim:
 	xfs_ilock(ip, XFS_ILOCK_EXCL);
 	xfs_qm_dqdetach(ip);
 	xfs_iunlock(ip, XFS_ILOCK_EXCL);
+	ASSERT(xfs_inode_clean(ip));
 
 	__xfs_inode_free(ip);
 	return error;
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index f2d06e1e4906..cd81d6d9848d 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -1772,10 +1772,31 @@ xfs_inactive_ifree(
 		return error;
 	}
 
+	/*
+	 * We do not hold the inode locked across the entire rolling transaction
+	 * here. We only need to hold it for the first transaction that
+	 * xfs_ifree() builds, which may mark the inode XFS_ISTALE if the
+	 * underlying cluster buffer is freed. Relogging an XFS_ISTALE inode
+	 * here breaks the relationship between cluster buffer invalidation and
+	 * stale inode invalidation on cluster buffer item journal commit
+	 * completion, and can result in leaving dirty stale inodes hanging
+	 * around in memory.
+	 *
+	 * We have no need for serialising this inode operation against other
+	 * operations - we freed the inode and hence reallocation is required
+	 * and that will serialise on reallocating the space the deferops need
+	 * to free. Hence we can unlock the inode on the first commit of
+	 * the transaction rather than roll it right through the deferops. This
+	 * avoids relogging the XFS_ISTALE inode.
+	 *
+	 * We check that xfs_ifree() hasn't grown an internal transaction roll
+	 * by asserting that the inode is still locked when it returns.
+	 */
 	xfs_ilock(ip, XFS_ILOCK_EXCL);
-	xfs_trans_ijoin(tp, ip, 0);
+	xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL);
 
 	error = xfs_ifree(tp, ip);
+	ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
 	if (error) {
 		/*
 		 * If we fail to free the inode, shut down.  The cancel
@@ -1788,7 +1809,6 @@ xfs_inactive_ifree(
 			xfs_force_shutdown(mp, SHUTDOWN_META_IO_ERROR);
 		}
 		xfs_trans_cancel(tp);
-		xfs_iunlock(ip, XFS_ILOCK_EXCL);
 		return error;
 	}
 
@@ -1806,7 +1826,6 @@ xfs_inactive_ifree(
 		xfs_notice(mp, "%s: xfs_trans_commit returned error %d",
 			__func__, error);
 
-	xfs_iunlock(ip, XFS_ILOCK_EXCL);
 	return 0;
 }
 
diff --git a/fs/xfs/xfs_trans_inode.c b/fs/xfs/xfs_trans_inode.c
index f2ee2b643d53..6fcdf7e449fe 100644
--- a/fs/xfs/xfs_trans_inode.c
+++ b/fs/xfs/xfs_trans_inode.c
@@ -39,6 +39,7 @@ xfs_trans_ijoin(
 
 	ASSERT(iip->ili_lock_flags == 0);
 	iip->ili_lock_flags = lock_flags;
+	ASSERT(!xfs_iflags_test(ip, XFS_ISTALE));
 
 	/*
 	 * Get a log_item_desc to point at the new item.
@@ -90,6 +91,7 @@ xfs_trans_log_inode(
 
 	ASSERT(ip->i_itemp != NULL);
 	ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
+	ASSERT(!xfs_iflags_test(ip, XFS_ISTALE));
 
 	/*
 	 * Don't bother with i_lock for the I_DIRTY_TIME check here, as races
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 6797811bf1e6..9a5d4b499271 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -996,7 +996,11 @@ extern void *efi_get_pal_addr (void);
 extern void efi_map_pal_code (void);
 extern void efi_memmap_walk (efi_freemem_callback_t callback, void *arg);
 extern void efi_gettimeofday (struct timespec64 *ts);
+#ifdef CONFIG_EFI
 extern void efi_enter_virtual_mode (void);	/* switch EFI to virtual mode, if possible */
+#else
+static inline void efi_enter_virtual_mode (void) {}
+#endif
 #ifdef CONFIG_X86
 extern void efi_free_boot_services(void);
 extern efi_status_t efi_query_variable_store(u32 attributes,
diff --git a/kernel/irq/matrix.c b/kernel/irq/matrix.c
index 30cc217b8631..651a4ad6d711 100644
--- a/kernel/irq/matrix.c
+++ b/kernel/irq/matrix.c
@@ -380,6 +380,13 @@ int irq_matrix_alloc(struct irq_matrix *m, const struct cpumask *msk,
 	unsigned int cpu, bit;
 	struct cpumap *cm;
 
+	/*
+	 * Not required in theory, but matrix_find_best_cpu() uses
+	 * for_each_cpu() which ignores the cpumask on UP .
+	 */
+	if (cpumask_empty(msk))
+		return -EINVAL;
+
 	cpu = matrix_find_best_cpu(m, msk);
 	if (cpu == UINT_MAX)
 		return -ENOSPC;
diff --git a/kernel/locking/lockdep_proc.c b/kernel/locking/lockdep_proc.c
index 6fcc4650f0c4..53cc3bb7025a 100644
--- a/kernel/locking/lockdep_proc.c
+++ b/kernel/locking/lockdep_proc.c
@@ -394,7 +394,7 @@ static void seq_lock_time(struct seq_file *m, struct lock_time *lt)
 	seq_time(m, lt->min);
 	seq_time(m, lt->max);
 	seq_time(m, lt->total);
-	seq_time(m, lt->nr ? div_s64(lt->total, lt->nr) : 0);
+	seq_time(m, lt->nr ? div64_u64(lt->total, lt->nr) : 0);
 }
 
 static void seq_stats(struct seq_file *m, struct lock_stat_data *data)
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index 7a4ca2deb39b..1442f6152abc 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -529,6 +529,18 @@ static int do_blk_trace_setup(struct request_queue *q, char *name, dev_t dev,
 	if (!dir)
 		goto err;
 
+	/*
+	 * As blktrace relies on debugfs for its interface the debugfs directory
+	 * is required, contrary to the usual mantra of not checking for debugfs
+	 * files or directories.
+	 */
+	if (IS_ERR_OR_NULL(dir)) {
+		pr_warn("debugfs_dir not present for %s so skipping\n",
+			buts->name);
+		ret = -ENOENT;
+		goto err;
+	}
+
 	bt->dev = dev;
 	atomic_set(&bt->dropped, 0);
 	INIT_LIST_HEAD(&bt->running_list);
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index ef92eacb0bb8..5f1a76622c8f 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -5128,8 +5128,8 @@ struct sk_buff *skb_vlan_untag(struct sk_buff *skb)
 	skb = skb_share_check(skb, GFP_ATOMIC);
 	if (unlikely(!skb))
 		goto err_free;
-
-	if (unlikely(!pskb_may_pull(skb, VLAN_HLEN)))
+	/* We may access the two bytes after vlan_hdr in vlan_set_encap_proto(). */
+	if (unlikely(!pskb_may_pull(skb, VLAN_HLEN + sizeof(unsigned short))))
 		goto err_free;
 
 	vhdr = (struct vlan_hdr *)skb->data;
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 8e70a015c792..b825ac025d5b 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -865,7 +865,15 @@ int ip6_tnl_rcv(struct ip6_tnl *t, struct sk_buff *skb,
 		struct metadata_dst *tun_dst,
 		bool log_ecn_err)
 {
-	return __ip6_tnl_rcv(t, skb, tpi, tun_dst, ip6ip6_dscp_ecn_decapsulate,
+	int (*dscp_ecn_decapsulate)(const struct ip6_tnl *t,
+				    const struct ipv6hdr *ipv6h,
+				    struct sk_buff *skb);
+
+	dscp_ecn_decapsulate = ip6ip6_dscp_ecn_decapsulate;
+	if (tpi->proto == htons(ETH_P_IP))
+		dscp_ecn_decapsulate = ip4ip6_dscp_ecn_decapsulate;
+
+	return __ip6_tnl_rcv(t, skb, tpi, tun_dst, dscp_ecn_decapsulate,
 			     log_ecn_err);
 }
 EXPORT_SYMBOL(ip6_tnl_rcv);
diff --git a/net/qrtr/qrtr.c b/net/qrtr/qrtr.c
index b5671966fa03..42bd1e74f78c 100644
--- a/net/qrtr/qrtr.c
+++ b/net/qrtr/qrtr.c
@@ -554,23 +554,25 @@ static void qrtr_port_remove(struct qrtr_sock *ipc)
  */
 static int qrtr_port_assign(struct qrtr_sock *ipc, int *port)
 {
+	u32 min_port;
 	int rc;
 
 	mutex_lock(&qrtr_port_lock);
 	if (!*port) {
-		rc = idr_alloc(&qrtr_ports, ipc,
-			       QRTR_MIN_EPH_SOCKET, QRTR_MAX_EPH_SOCKET + 1,
-			       GFP_ATOMIC);
-		if (rc >= 0)
-			*port = rc;
+		min_port = QRTR_MIN_EPH_SOCKET;
+		rc = idr_alloc_u32(&qrtr_ports, ipc, &min_port, QRTR_MAX_EPH_SOCKET, GFP_ATOMIC);
+		if (!rc)
+			*port = min_port;
 	} else if (*port < QRTR_MIN_EPH_SOCKET && !capable(CAP_NET_ADMIN)) {
 		rc = -EACCES;
 	} else if (*port == QRTR_PORT_CTRL) {
-		rc = idr_alloc(&qrtr_ports, ipc, 0, 1, GFP_ATOMIC);
+		min_port = 0;
+		rc = idr_alloc_u32(&qrtr_ports, ipc, &min_port, 0, GFP_ATOMIC);
 	} else {
-		rc = idr_alloc(&qrtr_ports, ipc, *port, *port + 1, GFP_ATOMIC);
-		if (rc >= 0)
-			*port = rc;
+		min_port = *port;
+		rc = idr_alloc_u32(&qrtr_ports, ipc, &min_port, *port, GFP_ATOMIC);
+		if (!rc)
+			*port = min_port;
 	}
 	mutex_unlock(&qrtr_port_lock);
 
diff --git a/net/smc/smc_diag.c b/net/smc/smc_diag.c
index 2379a02c319d..6c4a7a5938b7 100644
--- a/net/smc/smc_diag.c
+++ b/net/smc/smc_diag.c
@@ -169,13 +169,15 @@ static int __smc_diag_dump(struct sock *sk, struct sk_buff *skb,
 	    (req->diag_ext & (1 << (SMC_DIAG_DMBINFO - 1))) &&
 	    !list_empty(&smc->conn.lgr->list)) {
 		struct smc_connection *conn = &smc->conn;
-		struct smcd_diag_dmbinfo dinfo = {
-			.linkid = *((u32 *)conn->lgr->id),
-			.peer_gid = conn->lgr->peer_gid,
-			.my_gid = conn->lgr->smcd->local_gid,
-			.token = conn->rmb_desc->token,
-			.peer_token = conn->peer_token
-		};
+		struct smcd_diag_dmbinfo dinfo;
+
+		memset(&dinfo, 0, sizeof(dinfo));
+
+		dinfo.linkid = *((u32 *)conn->lgr->id);
+		dinfo.peer_gid = conn->lgr->peer_gid;
+		dinfo.my_gid = conn->lgr->smcd->local_gid;
+		dinfo.token = conn->rmb_desc->token;
+		dinfo.peer_token = conn->peer_token;
 
 		if (nla_put(skb, SMC_DIAG_DMBINFO, sizeof(dinfo), &dinfo) < 0)
 			goto errout;
diff --git a/net/tipc/netlink_compat.c b/net/tipc/netlink_compat.c
index 29e684054abe..f8e111218a0e 100644
--- a/net/tipc/netlink_compat.c
+++ b/net/tipc/netlink_compat.c
@@ -255,8 +255,9 @@ err_out:
 static int tipc_nl_compat_dumpit(struct tipc_nl_compat_cmd_dump *cmd,
 				 struct tipc_nl_compat_msg *msg)
 {
-	int err;
+	struct nlmsghdr *nlh;
 	struct sk_buff *arg;
+	int err;
 
 	if (msg->req_type && (!msg->req_size ||
 			      !TLV_CHECK_TYPE(msg->req, msg->req_type)))
@@ -285,6 +286,15 @@ static int tipc_nl_compat_dumpit(struct tipc_nl_compat_cmd_dump *cmd,
 		return -ENOMEM;
 	}
 
+	nlh = nlmsg_put(arg, 0, 0, tipc_genl_family.id, 0, NLM_F_MULTI);
+	if (!nlh) {
+		kfree_skb(arg);
+		kfree_skb(msg->rep);
+		msg->rep = NULL;
+		return -EMSGSIZE;
+	}
+	nlmsg_end(arg, nlh);
+
 	err = __tipc_nl_compat_dumpit(cmd, msg, arg);
 	if (err) {
 		kfree_skb(msg->rep);
diff --git a/sound/pci/cs46xx/cs46xx_lib.c b/sound/pci/cs46xx/cs46xx_lib.c
index 146e1a3498c7..419da70cd942 100644
--- a/sound/pci/cs46xx/cs46xx_lib.c
+++ b/sound/pci/cs46xx/cs46xx_lib.c
@@ -780,7 +780,7 @@ static void snd_cs46xx_set_capture_sample_rate(struct snd_cs46xx *chip, unsigned
 		rate = 48000 / 9;
 
 	/*
-	 *  We can not capture at at rate greater than the Input Rate (48000).
+	 *  We can not capture at a rate greater than the Input Rate (48000).
 	 *  Return an error if an attempt is made to stray outside that limit.
 	 */
 	if (rate > 48000)
diff --git a/sound/pci/cs46xx/dsp_spos_scb_lib.c b/sound/pci/cs46xx/dsp_spos_scb_lib.c
index 8d0a3d357345..8ef51a29380a 100644
--- a/sound/pci/cs46xx/dsp_spos_scb_lib.c
+++ b/sound/pci/cs46xx/dsp_spos_scb_lib.c
@@ -1739,7 +1739,7 @@ int cs46xx_iec958_pre_open (struct snd_cs46xx *chip)
 	struct dsp_spos_instance * ins = chip->dsp_spos_instance;
 
 	if ( ins->spdif_status_out & DSP_SPDIF_STATUS_OUTPUT_ENABLED ) {
-		/* remove AsynchFGTxSCB and and PCMSerialInput_II */
+		/* remove AsynchFGTxSCB and PCMSerialInput_II */
 		cs46xx_dsp_disable_spdif_out (chip);
 
 		/* save state */
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index f3a6b1d869d8..dbeb62362f1c 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -3410,7 +3410,7 @@ EXPORT_SYMBOL_GPL(snd_hda_set_power_save);
  * @nid: NID to check / update
  *
  * Check whether the given NID is in the amp list.  If it's in the list,
- * check the current AMP status, and update the the power-status according
+ * check the current AMP status, and update the power-status according
  * to the mute status.
  *
  * This function is supposed to be set or called from the check_power_status
diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c
index 2609161707a4..97adb7e340f9 100644
--- a/sound/pci/hda/hda_generic.c
+++ b/sound/pci/hda/hda_generic.c
@@ -825,7 +825,7 @@ static void activate_amp_in(struct hda_codec *codec, struct nid_path *path,
 	}
 }
 
-/* sync power of each widget in the the given path */
+/* sync power of each widget in the given path */
 static hda_nid_t path_power_update(struct hda_codec *codec,
 				   struct nid_path *path,
 				   bool allow_powerdown)
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index d8168aa2cef3..85c33f528d7b 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -845,7 +845,7 @@ static int stac_auto_create_beep_ctls(struct hda_codec *codec,
 	static struct snd_kcontrol_new beep_vol_ctl =
 		HDA_CODEC_VOLUME(NULL, 0, 0, 0);
 
-	/* check for mute support for the the amp */
+	/* check for mute support for the amp */
 	if ((caps & AC_AMPCAP_MUTE) >> AC_AMPCAP_MUTE_SHIFT) {
 		const struct snd_kcontrol_new *temp;
 		if (spec->anabeep_nid == nid)
diff --git a/sound/pci/ice1712/prodigy192.c b/sound/pci/ice1712/prodigy192.c
index 3919aed39ca0..5e52086d7b98 100644
--- a/sound/pci/ice1712/prodigy192.c
+++ b/sound/pci/ice1712/prodigy192.c
@@ -31,7 +31,7 @@
  *		  Experimentally I found out that only a combination of
  *		  OCKS0=1, OCKS1=1 (128fs, 64fs output) and ice1724 -
  *		  VT1724_MT_I2S_MCLK_128X=0 (256fs input) yields correct
- *		  sampling rate. That means the the FPGA doubles the
+ *		  sampling rate. That means that the FPGA doubles the
  *		  MCK01 rate.
  *
  *	Copyright (c) 2003 Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/oxygen/xonar_dg.c b/sound/pci/oxygen/xonar_dg.c
index 4cf3200e988b..df44135e1b0c 100644
--- a/sound/pci/oxygen/xonar_dg.c
+++ b/sound/pci/oxygen/xonar_dg.c
@@ -39,7 +39,7 @@
  *   GPIO 4 <- headphone detect
  *   GPIO 5 -> enable ADC analog circuit for the left channel
  *   GPIO 6 -> enable ADC analog circuit for the right channel
- *   GPIO 7 -> switch green rear output jack between CS4245 and and the first
+ *   GPIO 7 -> switch green rear output jack between CS4245 and the first
  *             channel of CS4361 (mechanical relay)
  *   GPIO 8 -> enable output to speakers
  *
diff --git a/sound/soc/codecs/wm8958-dsp2.c b/sound/soc/codecs/wm8958-dsp2.c
index 108e8bf42a34..f0a409504a13 100644
--- a/sound/soc/codecs/wm8958-dsp2.c
+++ b/sound/soc/codecs/wm8958-dsp2.c
@@ -419,8 +419,12 @@ int wm8958_aif_ev(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 wm8994 *control = dev_get_drvdata(component->dev->parent);
 	int i;
 
+	if (control->type != WM8958)
+		return 0;
+
 	switch (event) {
 	case SND_SOC_DAPM_POST_PMU:
 	case SND_SOC_DAPM_PRE_PMU:
diff --git a/sound/soc/img/img-i2s-in.c b/sound/soc/img/img-i2s-in.c
index c22880aea82a..7e48c740bf55 100644
--- a/sound/soc/img/img-i2s-in.c
+++ b/sound/soc/img/img-i2s-in.c
@@ -346,8 +346,10 @@ static int img_i2s_in_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 	chan_control_mask = IMG_I2S_IN_CH_CTL_CLK_TRANS_MASK;
 
 	ret = pm_runtime_get_sync(i2s->dev);
-	if (ret < 0)
+	if (ret < 0) {
+		pm_runtime_put_noidle(i2s->dev);
 		return ret;
+	}
 
 	for (i = 0; i < i2s->active_channels; i++)
 		img_i2s_in_ch_disable(i2s, i);
diff --git a/sound/soc/img/img-parallel-out.c b/sound/soc/img/img-parallel-out.c
index acc005217be0..f56752662b19 100644
--- a/sound/soc/img/img-parallel-out.c
+++ b/sound/soc/img/img-parallel-out.c
@@ -166,8 +166,10 @@ static int img_prl_out_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 	}
 
 	ret = pm_runtime_get_sync(prl->dev);
-	if (ret < 0)
+	if (ret < 0) {
+		pm_runtime_put_noidle(prl->dev);
 		return ret;
+	}
 
 	reg = img_prl_out_readl(prl, IMG_PRL_OUT_CTL);
 	reg = (reg & ~IMG_PRL_OUT_CTL_EDGE_MASK) | control_set;
diff --git a/sound/soc/tegra/tegra30_ahub.c b/sound/soc/tegra/tegra30_ahub.c
index 43679aeeb12b..88e838ac937d 100644
--- a/sound/soc/tegra/tegra30_ahub.c
+++ b/sound/soc/tegra/tegra30_ahub.c
@@ -655,8 +655,10 @@ static int tegra30_ahub_resume(struct device *dev)
 	int ret;
 
 	ret = pm_runtime_get_sync(dev);
-	if (ret < 0)
+	if (ret < 0) {
+		pm_runtime_put(dev);
 		return ret;
+	}
 	ret = regcache_sync(ahub->regmap_ahub);
 	ret |= regcache_sync(ahub->regmap_apbif);
 	pm_runtime_put(dev);
diff --git a/sound/soc/tegra/tegra30_i2s.c b/sound/soc/tegra/tegra30_i2s.c
index 0b176ea24914..bf155c5092f0 100644
--- a/sound/soc/tegra/tegra30_i2s.c
+++ b/sound/soc/tegra/tegra30_i2s.c
@@ -551,8 +551,10 @@ static int tegra30_i2s_resume(struct device *dev)
 	int ret;
 
 	ret = pm_runtime_get_sync(dev);
-	if (ret < 0)
+	if (ret < 0) {
+		pm_runtime_put(dev);
 		return ret;
+	}
 	ret = regcache_sync(i2s->regmap);
 	pm_runtime_put(dev);
 
diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
index 89b70308b551..83f72ddf4fda 100644
--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -3524,8 +3524,8 @@ ALC1220_VB_DESKTOP(0x26ce, 0x0a01), /* Asrock TRX40 Creator */
  * they pretend to be 96kHz mono as a workaround for stereo being broken
  * by that...
  *
- * They also have swapped L-R channels, but that's for userspace to deal
- * with.
+ * They also have an issue with initial stream alignment that causes the
+ * channels to be swapped and out of phase, which is dealt with in quirks.c.
  */
 {
 	.match_flags = USB_DEVICE_ID_MATCH_DEVICE |
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/back_to_back_ebbs_test.c b/tools/testing/selftests/powerpc/pmu/ebb/back_to_back_ebbs_test.c
index 94110b1dcd3d..031baa43646f 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/back_to_back_ebbs_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/back_to_back_ebbs_test.c
@@ -91,8 +91,6 @@ int back_to_back_ebbs(void)
 	ebb_global_disable();
 	ebb_freeze_pmcs();
 
-	count_pmc(1, sample_period);
-
 	dump_ebb_state();
 
 	event_close(&event);
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/cycles_test.c b/tools/testing/selftests/powerpc/pmu/ebb/cycles_test.c
index 7c57a8d79535..361e0be9df9a 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/cycles_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/cycles_test.c
@@ -42,8 +42,6 @@ int cycles(void)
 	ebb_global_disable();
 	ebb_freeze_pmcs();
 
-	count_pmc(1, sample_period);
-
 	dump_ebb_state();
 
 	event_close(&event);
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/cycles_with_freeze_test.c b/tools/testing/selftests/powerpc/pmu/ebb/cycles_with_freeze_test.c
index ecf5ee3283a3..fe7d0dc2a1a2 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/cycles_with_freeze_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/cycles_with_freeze_test.c
@@ -99,8 +99,6 @@ int cycles_with_freeze(void)
 	ebb_global_disable();
 	ebb_freeze_pmcs();
 
-	count_pmc(1, sample_period);
-
 	dump_ebb_state();
 
 	printf("EBBs while frozen %d\n", ebbs_while_frozen);
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/cycles_with_mmcr2_test.c b/tools/testing/selftests/powerpc/pmu/ebb/cycles_with_mmcr2_test.c
index c0faba520b35..b9b30f974b5e 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/cycles_with_mmcr2_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/cycles_with_mmcr2_test.c
@@ -71,8 +71,6 @@ int cycles_with_mmcr2(void)
 	ebb_global_disable();
 	ebb_freeze_pmcs();
 
-	count_pmc(1, sample_period);
-
 	dump_ebb_state();
 
 	event_close(&event);
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/ebb.c b/tools/testing/selftests/powerpc/pmu/ebb/ebb.c
index 46681fec549b..2694ae161a84 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/ebb.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/ebb.c
@@ -396,8 +396,6 @@ int ebb_child(union pipe read_pipe, union pipe write_pipe)
 	ebb_global_disable();
 	ebb_freeze_pmcs();
 
-	count_pmc(1, sample_period);
-
 	dump_ebb_state();
 
 	event_close(&event);
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/ebb_on_willing_child_test.c b/tools/testing/selftests/powerpc/pmu/ebb/ebb_on_willing_child_test.c
index a991d2ea8d0a..174e4f4dae6c 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/ebb_on_willing_child_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/ebb_on_willing_child_test.c
@@ -38,8 +38,6 @@ static int victim_child(union pipe read_pipe, union pipe write_pipe)
 	ebb_global_disable();
 	ebb_freeze_pmcs();
 
-	count_pmc(1, sample_period);
-
 	dump_ebb_state();
 
 	FAIL_IF(ebb_state.stats.ebb_count == 0);
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/lost_exception_test.c b/tools/testing/selftests/powerpc/pmu/ebb/lost_exception_test.c
index 2ed7ad33f7a3..dddb95938304 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/lost_exception_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/lost_exception_test.c
@@ -75,7 +75,6 @@ static int test_body(void)
 	ebb_freeze_pmcs();
 	ebb_global_disable();
 
-	count_pmc(4, sample_period);
 	mtspr(SPRN_PMC4, 0xdead);
 
 	dump_summary_ebb_state();
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/multi_counter_test.c b/tools/testing/selftests/powerpc/pmu/ebb/multi_counter_test.c
index 6ff8c8ff27d6..035c02273cd4 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/multi_counter_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/multi_counter_test.c
@@ -70,13 +70,6 @@ int multi_counter(void)
 	ebb_global_disable();
 	ebb_freeze_pmcs();
 
-	count_pmc(1, sample_period);
-	count_pmc(2, sample_period);
-	count_pmc(3, sample_period);
-	count_pmc(4, sample_period);
-	count_pmc(5, sample_period);
-	count_pmc(6, sample_period);
-
 	dump_ebb_state();
 
 	for (i = 0; i < 6; i++)
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/multi_ebb_procs_test.c b/tools/testing/selftests/powerpc/pmu/ebb/multi_ebb_procs_test.c
index 037cb6154f36..3e9d4ac965c8 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/multi_ebb_procs_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/multi_ebb_procs_test.c
@@ -61,8 +61,6 @@ static int cycles_child(void)
 	ebb_global_disable();
 	ebb_freeze_pmcs();
 
-	count_pmc(1, sample_period);
-
 	dump_summary_ebb_state();
 
 	event_close(&event);
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/pmae_handling_test.c b/tools/testing/selftests/powerpc/pmu/ebb/pmae_handling_test.c
index c5fa64790c22..d90891fe96a3 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/pmae_handling_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/pmae_handling_test.c
@@ -82,8 +82,6 @@ static int test_body(void)
 	ebb_global_disable();
 	ebb_freeze_pmcs();
 
-	count_pmc(1, sample_period);
-
 	dump_ebb_state();
 
 	if (mmcr0_mismatch)
diff --git a/tools/testing/selftests/powerpc/pmu/ebb/pmc56_overflow_test.c b/tools/testing/selftests/powerpc/pmu/ebb/pmc56_overflow_test.c
index 30e1ac62e8cb..8ca92b9ee5b0 100644
--- a/tools/testing/selftests/powerpc/pmu/ebb/pmc56_overflow_test.c
+++ b/tools/testing/selftests/powerpc/pmu/ebb/pmc56_overflow_test.c
@@ -76,8 +76,6 @@ int pmc56_overflow(void)
 	ebb_global_disable();
 	ebb_freeze_pmcs();
 
-	count_pmc(2, sample_period);
-
 	dump_ebb_state();
 
 	printf("PMC5/6 overflow %d\n", pmc56_overflowed);