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Haiyang Zhang 6d9cfab853 hv_netvsc: fix race that may miss tx queue wakeup 
[ Upstream commit 93aa4792c3 ]

When the ring buffer is almost full due to RX completion messages, a
TX packet may reach the "low watermark" and cause the queue stopped.
If the TX completion arrives earlier than queue stopping, the wakeup
may be missed.

This patch moves the check for the last pending packet to cover both
EAGAIN and success cases, so the queue will be reliably waked up when
necessary.

Reported-and-tested-by: Stephan Klein <stephan.klein@wegfinder.at>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2019-05-31 06:46:09 -07:00
..
accessibility
acpi ACPI: PM: Set enable_for_wake for wakeup GPEs during suspend-to-idle 2019-05-22 07:37:41 +02:00
amba
android binder: fix handling of misaligned binder object 2019-05-02 09:58:56 +02:00
ata libata: fix using DMA buffers on stack 2019-05-04 09:20:21 +02:00
atm atm: he: fix sign-extension overflow on large shift 2019-02-27 10:08:57 +01:00
auxdisplay auxdisplay: hd44780: Fix memory leak on ->remove() 2019-04-20 09:15:55 +02:00
base driver core: Postpone DMA tear-down until after devres release for probe failure 2019-05-25 18:23:47 +02:00
bcma
block brd: re-enable __GFP_HIGHMEM in brd_insert_page() 2019-05-25 18:23:24 +02:00
bluetooth Bluetooth: mediatek: fix up an error path to restore bdev->tx_state 2019-05-08 07:21:52 +02:00
bus
cdrom cdrom: Fix race condition in cdrom_sysctl_register 2019-04-05 22:33:10 +02:00
char ipmi:ssif: compare block number correctly for multi-part return messages 2019-05-22 07:37:43 +02:00
clk clk: sunxi-ng: nkmp: Avoid GENMASK(-1, 0) 2019-05-25 18:23:42 +02:00
clocksource clocksource/drivers/oxnas: Fix OX820 compatible 2019-05-16 19:41:21 +02:00
connector connector: fix unsafe usage of ->real_parent 2019-03-19 13:12:38 +01:00
cpufreq x86/cpu: Sanitize FAM6_ATOM naming 2019-05-14 19:17:53 +02:00
cpuidle cpuidle: big.LITTLE: fix refcount leak 2019-02-12 19:47:08 +01:00
crypto crypto: vmx - CTR: always increment IV as quadword 2019-05-31 06:46:01 -07:00
dax mm/huge_memory: fix vmf_insert_pfn_{pmd, pud}() crash, handle unaligned addresses 2019-05-22 07:37:40 +02:00
dca
devfreq
dio
dma dmaengine: tegra210-dma: free dma controller in remove() 2019-05-31 06:46:08 -07:00
dma-buf
edac x86/cpu: Sanitize FAM6_ATOM naming 2019-05-14 19:17:53 +02:00
eisa
extcon
firewire
firmware efi: Fix debugobjects warning on 'efi_rts_work' 2019-05-08 07:21:44 +02:00
fmc
fpga fpga: altera-cvp: fix 'bad IO access' on x86_64 2019-02-12 19:46:59 +01:00
fsi fsi: master-ast-cf: select GENERIC_ALLOCATOR 2018-12-17 09:24:35 +01:00
gnss gnss: sirf: fix premature wakeup interrupt enable 2019-03-10 07:17:21 +01:00
gpio gpio: mxc: add check to return defer probe if clock tree NOT ready 2019-05-08 07:21:53 +02:00
gpu drm/sun4i: Unbind components before releasing DRM and memory 2019-05-16 19:41:25 +02:00
hid HID: input: add mapping for "Toggle Display" key 2019-05-16 19:41:19 +02:00
hsi
hv Drivers: hv: vmbus: Remove the undesired put_cpu_ptr() in hv_synic_cleanup() 2019-05-10 17:54:04 +02:00
hwmon hwmon: (pwm-fan) Disable PWM if fetching cooling data fails 2019-05-16 19:41:18 +02:00
hwspinlock
hwtracing intel_th: msu: Fix single mode with IOMMU 2019-05-25 18:23:26 +02:00
i2c i2c: i2c-stm32f7: Fix SDADEL minimum formula 2019-05-08 07:21:55 +02:00
ide ide: fix a typo in the settings proc file name 2019-01-31 08:14:42 +01:00
idle x86/cpu: Sanitize FAM6_ATOM naming 2019-05-14 19:17:53 +02:00
iio iio: adc: xilinx: prevent touching unclocked h/w on remove 2019-05-16 19:41:19 +02:00
infiniband IB/hfi1: Fix WQ_MEM_RECLAIM warning 2019-05-31 06:46:07 -07:00
input Input: synaptics-rmi4 - fix possible double free 2019-05-16 19:41:25 +02:00
iommu iommu/tegra-smmu: Fix invalid ASID bits on Tegra30/114 2019-05-25 18:23:30 +02:00
ipack
irqchip MIPS: perf: ath79: Fix perfcount IRQ assignment 2019-05-16 19:41:24 +02:00
isdn isdn: bas_gigaset: use usb_fill_int_urb() properly 2019-05-16 19:41:31 +02:00
leds leds: trigger: netdev: use memcpy in device_name_store 2019-05-04 09:20:22 +02:00
lightnvm lightnvm: pblk: add lock protection to list operations 2019-02-12 19:47:08 +01:00
macintosh
mailbox mailbox: bcm-flexrm-mailbox: Fix FlexRM ring flush timeout issue 2019-03-23 20:09:49 +01:00
mcb
md md/raid: raid5 preserve the writeback action after the parity check 2019-05-25 18:23:47 +02:00
media media: vivid: use vfree() instead of kfree() for dev->bitmap_cap 2019-05-31 06:46:04 -07:00
memory memory: tegra: Fix integer overflow on tick value calculation 2019-05-25 18:23:32 +02:00
memstick memstick: Prevent memstick host from getting runtime suspended during card detection 2019-02-12 19:47:10 +01:00
message
mfd mfd: twl-core: Disable IRQ while suspended 2019-05-08 07:21:48 +02:00
misc lkdtm: Add tests for NULL pointer dereference 2019-04-20 09:16:04 +02:00
mmc mmc: core: Verify SD bus width 2019-05-31 06:46:07 -07:00
mtd mtd: spi-nor: intel-spi: Avoid crossing 4K address boundary on read/write 2019-05-22 07:37:41 +02:00
mux
net hv_netvsc: fix race that may miss tx queue wakeup 2019-05-31 06:46:09 -07:00
nfc spi: ST ST95HF NFC: declare missing of table 2019-05-16 19:41:25 +02:00
ntb
nubus
nvdimm libnvdimm/pmem: Bypass CONFIG_HARDENED_USERCOPY overhead 2019-05-31 06:46:01 -07:00
nvme nvme-fc: correct csn initialization and increments on error 2019-05-10 17:54:09 +02:00
nvmem
of of: overlay: do not duplicate properties from overlay for new nodes 2019-02-06 17:30:16 +01:00
opp OPP: Use opp_table->regulators to verify no regulator case 2019-02-12 19:47:08 +01:00
oprofile
parisc parisc: Skip registering LED when running in QEMU 2019-05-25 18:23:23 +02:00
parport parport_pc: fix find_superio io compare code, should use equal test. 2019-03-23 20:10:05 +01:00
pci PCI: Fix issue with "pci=disable_acs_redir" parameter being ignored 2019-05-25 18:23:43 +02:00
pcmcia
perf perf/aux: Make perf_event accessible to setup_aux() 2019-04-05 22:33:11 +02:00
phy phy: ti-pipe3: fix missing bit-wise or operator when assigning val 2019-05-25 18:23:27 +02:00
pinctrl pinctrl: core: make sure strcmp() doesn't get a null parameter 2019-04-20 09:16:01 +02:00
platform platform/x86: dell-laptop: fix rfkill functionality 2019-05-16 19:41:18 +02:00
pnp
power power: supply: sysfs: prevent endless uevent loop with CONFIG_POWER_SUPPLY_DEBUG 2019-05-25 18:23:44 +02:00
powercap x86/cpu: Sanitize FAM6_ATOM naming 2019-05-14 19:17:53 +02:00
pps
ps3
ptp ptp: Fix pass zero to ERR_PTR() in ptp_clock_register 2019-02-12 19:47:01 +01:00
pwm
rapidio
ras
regulator regulator: act8865: Fix act8600_sudcdc_voltage_ranges setting 2019-04-05 22:33:15 +02:00
remoteproc
reset reset: meson-audio-arb: Fix missing .owner setting of reset_controller_dev 2019-05-08 07:21:47 +02:00
rpmsg
rtc rtc: da9063: set uie_unsupported when relevant 2019-05-08 07:21:49 +02:00
s390 s390: ctcm: fix ctcm_new_device error return code 2019-05-16 19:41:24 +02:00
sbus drivers/sbus/char: add of_node_put() 2018-12-21 14:15:17 +01:00
scsi Revert "scsi: sd: Keep disk read-only when re-reading partition" 2019-05-31 06:46:01 -07:00
sfi
sh
siox
slimbus slimbus: ngd: mark PM functions as __maybe_unused 2018-12-19 19:19:49 +01:00
sn
soc soc: sunxi: Fix missing dependency on REGMAP_MMIO 2019-05-10 17:54:10 +02:00
soundwire
spi spi: pxa2xx: Setup maximum supported DMA transfer length 2019-03-23 20:09:57 +01:00
spmi
ssb ssb: Fix possible NULL pointer dereference in ssb_host_pcmcia_exit 2019-05-31 06:46:04 -07:00
staging media: imx: Clear fwnode link struct for each endpoint iteration 2019-05-25 18:23:28 +02:00
target scsi: target/iscsi: Avoid iscsit_release_commands_from_conn() deadlock 2019-03-23 20:09:59 +01:00
tc
tee tee: optee: avoid possible double list_del() 2019-02-12 19:47:08 +01:00
thermal x86/cpu: Sanitize FAM6_ATOM naming 2019-05-14 19:17:53 +02:00
thunderbolt thunderbolt: Prevent root port runtime suspend during NVM upgrade 2018-12-17 09:24:36 +01:00
tty tty: Don't force RISCV SBI console as preferred console 2019-05-22 07:37:43 +02:00
uio uio: Fix an Oops on load 2018-11-27 16:13:09 +01:00
usb usb: typec: Fix unchecked return value 2019-05-16 19:41:26 +02:00
uwb
vfio vfio/pci: use correct format characters 2019-05-08 07:21:49 +02:00
vhost vhost: reject zero size iova range 2019-04-27 09:36:31 +02:00
video fbdev: fix WARNING in __alloc_pages_nodemask bug 2019-05-31 06:46:04 -07:00
virt drivers/virt/fsl_hypervisor.c: prevent integer overflow in ioctl 2019-05-16 19:41:31 +02:00
virtio virtio_pci: fix a NULL pointer reference in vp_del_vqs 2019-05-10 17:54:08 +02:00
visorbus
vlynq
vme
w1 USB: w1 ds2490: Fix bug caused by improper use of altsetting array 2019-05-08 07:21:43 +02:00
watchdog watchdog: mt7621_wdt/rt2880_wdt: Fix compilation problem 2019-02-27 10:08:52 +01:00
xen fs: stream_open - opener for stream-like files so that read and write can run simultaneously without deadlock 2019-05-08 07:21:51 +02:00
zorro
Kconfig
Makefile