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Michael S. Tsirkin 32aef620e6 virtio_console: break out of buf poll on remove 
[ Upstream commit 0e7174b9d5 ]

A common pattern for device reset is currently:
vdev->config->reset(vdev);
.. cleanup ..

reset prevents new interrupts from arriving and waits for interrupt
handlers to finish.

However if - as is common - the handler queues a work request which is
flushed during the cleanup stage, we have code adding buffers / trying
to get buffers while device is reset. Not good.

This was reproduced by running
	modprobe virtio_console
	modprobe -r virtio_console
in a loop.

Fix this up by calling virtio_break_device + flush before reset.

Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1786239
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-04-08 14:22:46 +02:00
..
accessibility
speakup-dectlk: Restore pitch setting
2022-02-16 12:56:37 +01:00
acpi
ACPI: video: Force backlight native for Clevo NL5xRU and NL5xNU
2022-03-28 09:58:45 +02:00
amba
…
android
binder: avoid potential data leakage when copying txn
2022-01-27 11:04:09 +01:00
ata
ata: pata_hpt37x: fix PCI clock detection
2022-03-08 19:12:33 +01:00
atm
atm: eni: Add check for dma_map_single
2022-03-23 09:16:41 +01:00
auxdisplay
auxdisplay: lcd2s: Use proper API to free the instance of charlcd object
2022-03-08 19:12:47 +01:00
base
driver core: Free DMA range map when device is released
2022-03-02 11:48:07 +01:00
bcma
…
block
block: drop unused includes in <linux/genhd.h>
2022-03-16 14:23:46 +01:00
bluetooth
Bluetooth: btusb: Add one more Bluetooth part for the Realtek RTL8852AE
2022-03-28 09:58:45 +02:00
bus
bus: mhi: pci_generic: Add mru_default for Cinterion MV31-W
2022-02-16 12:56:39 +01:00
cdrom
…
char
virtio_console: break out of buf poll on remove
2022-04-08 14:22:46 +02:00
clk
clk: qcom: dispcc: Update the transition delay for MDSS GDSC
2022-03-16 14:23:35 +01:00
clocksource
ARM: dts: Use 32KiHz oscillator on devkit8000
2022-03-08 19:12:49 +01:00
comedi
…
connector
…
counter
…
cpufreq
cpufreq: Fix initialization of min and max frequency QoS requests
2022-01-27 11:04:44 +01:00
cpuidle
…
crypto
crypto: qat - disable registration of algorithms
2022-03-28 09:58:45 +02:00
cxl
cxl/pmem: Fix reference counting for delayed work
2022-01-27 11:02:58 +01:00
dax
…
dca
…
devfreq
…
dio
…
dma
dmaengine: shdma: Fix runtime PM imbalance on error
2022-03-08 19:12:31 +01:00
dma-buf
dma-buf: cma_heap: Fix mutex locking section
2022-03-08 19:12:37 +01:00
edac
EDAC: Fix calculation of returned address and next offset in edac_align_ptr()
2022-02-23 12:03:20 +01:00
eisa
…
extcon
…
firewire
…
firmware
efi: fix return value of __setup handlers
2022-03-23 09:16:41 +01:00
fpga
…
fsi
…
gnss
…
gpio
gpio: Return EPROBE_DEFER if gc->to_irq is NULL
2022-03-16 14:23:41 +01:00
gpu
drm/virtio: Ensure that objs is not NULL in virtio_gpu_array_put_free()
2022-03-28 09:58:45 +02:00
greybus
…
hid
HID: Add support for open wheel and no attachment to T300
2022-04-08 14:22:46 +02:00
hsi
HSI: core: Fix return freed object in hsi_new_client
2022-01-27 11:04:31 +01:00
hv
hv: utils: add PTP_1588_CLOCK to Kconfig to fix build
2022-04-08 14:22:46 +02:00
hwmon
hwmon: (pmbus) Clear pmbus fault/warning bits after read
2022-03-16 14:23:41 +01:00
hwspinlock
…
hwtracing
…
i2c
i2c: qup: allow COMPILE_TEST
2022-03-08 19:12:31 +01:00
i3c
i3c: master: dw: check return of dw_i3c_master_get_free_pos()
2022-03-08 19:12:37 +01:00
idle
…
iio
iio: Fix error handling for PM
2022-03-02 11:48:04 +01:00
infiniband
IB/qib: Fix duplicate sysfs directory name
2022-03-02 11:48:08 +01:00
input
Input: aiptek - properly check endpoint type
2022-03-23 09:16:43 +01:00
interconnect
interconnect: qcom: rpm: Prevent integer overflow in rate
2022-01-27 11:05:00 +01:00
iommu
iommu/amd: Fix I/O page table memory leak
2022-03-08 19:12:49 +01:00
ipack
…
irqchip
irqchip/sifive-plic: Add missing thead,c900-plic match string
2022-02-23 12:03:17 +01:00
isdn
isdn: hfcpci: check the return value of dma_set_mask() in setup_hw()
2022-03-16 14:23:36 +01:00
leds
leds: lp55xx: initialise output direction from dts
2022-01-27 11:04:21 +01:00
macintosh
…
mailbox
mailbox: change mailbox-mpfs compatible string
2022-01-27 11:05:05 +01:00
mcb
…
md
block: drop unused includes in <linux/genhd.h>
2022-03-16 14:23:46 +01:00
media
media: correct MEDIA_TEST_SUPPORT help text
2022-01-27 11:05:20 +01:00
memory
memory: renesas-rpc-if: Return error in case devm_ioremap_resource() fails
2022-01-27 11:03:11 +01:00
memstick
…
message
…
mfd
mfd: tps65910: Set PWR_OFF bit during driver probe
2022-01-27 11:05:07 +01:00
misc
eeprom: ee1004: limit i2c reads to I2C_SMBUS_BLOCK_MAX
2022-02-16 12:56:33 +01:00
mmc
mmc: meson: Fix usage of meson_mmc_post_req()
2022-03-16 14:23:42 +01:00
most
…
mtd
mtd: spi-nor: Fix mtd size for s3an flashes
2022-03-08 19:12:33 +01:00
mux
…
net
wcn36xx: Differentiate wcn3660 from wcn3620
2022-03-28 09:58:45 +02:00
nfc
nfc: st21nfca: Fix potential buffer overflows in EVT_TRANSACTION
2022-03-28 09:58:42 +02:00
ntb
ntb: intel: fix port config status offset for SPR
2022-03-08 19:12:44 +01:00
nubus
…
nvdimm
…
nvme
nvme: also mark passthrough-only namespaces ready in nvme_update_ns_info
2022-03-02 11:47:56 +01:00
nvmem
nvmem: core: Fix a conflict between MTD and NVMEM on wp-gpios property
2022-03-02 11:48:06 +01:00
of
of: net: move of_net under net/
2022-03-08 19:12:41 +01:00
opp
…
parisc
parisc: Fix sglist access in ccio-dma.c
2022-02-23 12:03:03 +01:00
parport
…
pci
PCI: Mark all AMD Navi10 and Navi14 GPU ATS as broken
2022-03-16 14:23:41 +01:00
pcmcia
pcmcia: fix setting of kthread task states
2022-01-27 11:04:02 +01:00
perf
perf/arm-cmn: Fix CPU hotplug unregistration
2022-01-27 11:03:36 +01:00
phy
phy: phy-mtk-tphy: Fix duplicated argument in phy-mtk-tphy
2022-02-23 12:03:17 +01:00
pinctrl
pinctrl: tigerlake: Revert "Add Alder Lake-M ACPI ID"
2022-03-16 14:23:40 +01:00
platform
surface: surface3_power: Fix battery readings on batteries without a serial number
2022-03-02 11:47:59 +01:00
pnp
…
power
power: reset: mt6397: Check for null res pointer
2022-01-27 11:03:49 +01:00
powercap
…
pps
…
ps3
…
ptp
net: fix SOF_TIMESTAMPING_BIND_PHC to work with multiple sockets
2022-01-27 11:03:52 +01:00
pwm
…
rapidio
…
ras
…
regulator
regulator: core: fix false positive in regulator_late_cleanup()
2022-03-08 19:12:29 +01:00
remoteproc
remoteproc: imx_rproc: Fix a resource leak in the remove function
2022-01-27 11:05:10 +01:00
reset
reset: renesas: Fix Runtime PM usage
2022-01-11 15:35:16 +01:00
rpmsg
rpmsg: char: Fix race between the release of rpmsg_eptdev and cdev
2022-02-01 17:27:07 +01:00
rtc
rtc: cmos: Evaluate century appropriate
2022-02-08 18:34:12 +01:00
s390
block: drop unused includes in <linux/genhd.h>
2022-03-16 14:23:46 +01:00
sbus
…
scsi
scsi: mpt3sas: Page fault in reply q processing
2022-03-23 09:16:43 +01:00
sh
…
siox
…
slimbus
…
soc
soc: fsl: qe: Check of ioremap return value
2022-03-08 19:12:49 +01:00
soundwire
…
spi
spi: rockchip: terminate dma transmission when slave abort
2022-03-16 14:23:40 +01:00
spmi
…
ssb
…
staging
staging: gdm724x: fix use after free in gdm_lte_rx()
2022-03-16 14:23:42 +01:00
target
scsi: target: iscsi: Make sure the np under each tpg is unique
2022-02-16 12:56:12 +01:00
tc
…
tee
optee: use driver internal tee_context for some rpc
2022-03-02 11:47:51 +01:00
thermal
thermal: core: Fix TZ_GET_TRIP NULL pointer dereference
2022-03-08 19:12:43 +01:00
thunderbolt
thunderbolt: Runtime PM activate both ends of the device link
2022-01-27 11:04:36 +01:00
tty
serial: stm32: prevent TDR register overwrite when sending x_char
2022-03-08 19:12:32 +01:00
uio
…
usb
USB: serial: simple: add Nokia phone driver
2022-04-08 14:22:46 +02:00
vdpa
vdpa: fix use-after-free on vp_vdpa_remove
2022-03-16 14:23:36 +01:00
vfio
…
vhost
vsock: each transport cycles only on its own sockets
2022-03-23 09:16:41 +01:00
video
fbcon: Avoid 'cap' set but not used warning
2022-02-16 12:56:27 +01:00
virt
nitro_enclaves: Use get_user_pages_unlocked() call to handle mmap assert
2022-01-05 12:42:39 +01:00
virtio
virtio: acknowledge all features before access
2022-03-16 14:23:43 +01:00
visorbus
…
vlynq
…
vme
…
w1
w1: Misuse of get_user()/put_user() reported by sparse
2022-01-27 11:04:59 +01:00
watchdog
…
xen
xen/gnttab: fix gnttab_end_foreign_access() without page specified
2022-03-11 12:22:37 +01:00
zorro
…
Kconfig
…
Makefile
virtio: always enter drivers/virtio/
2021-12-22 09:32:39 +01:00