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Shengjiu Wang abe13e9a56 rpmsg: char: Add mutex protection for rpmsg_eptdev_open() 
There is no mutex protection for rpmsg_eptdev_open(),
especially for eptdev->ept read and write operation.
It may cause issues when multiple instances call
rpmsg_eptdev_open() in parallel,the return state
may be success or EBUSY.

Fixes: 964e8bedd5a1 ("rpmsg: char: Return an error if device already open")
Signed-off-by: Shengjiu Wang <shengjiu.wang@nxp.com>
Link: https://lore.kernel.org/r/1653104105-16779-1-git-send-email-shengjiu.wang@nxp.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
2022-06-14 14:58:10 -06:00
..
accessibility
Revert "speakup: Generate speakupmap.h automatically"
2022-05-20 21:07:05 +02:00
acpi
More power management updates for 5.19-rc1
2022-05-30 11:37:26 -07:00
amba
Driver core changes for 5.19-rc1
2022-06-03 11:48:47 -07:00
android
fix for breakage in #work.fd this window
2022-06-05 17:14:03 -07:00
ata
ata: libata-transport: fix {dma|pio|xfer}_mode sysfs files
2022-06-09 09:25:25 +09:00
atm
…
auxdisplay
…
base
firmware_loader: enable XZ by default if compressed support is enabled
2022-06-03 15:46:03 -07:00
bcma
…
block
xen: branch for v5.19-rc1b
2022-06-04 13:42:53 -07:00
bluetooth
Bluetooth: btmtksdio: fix the reset takes too long
2022-05-13 13:19:01 +02:00
bus
Driver core changes for 5.19-rc1
2022-06-03 11:48:47 -07:00
cdrom
cdrom: remove obsolete TODO list
2022-05-15 18:31:28 -06:00
char
Random number generator fixes for Linux 5.19-rc2.
2022-06-12 10:33:38 -07:00
clk
Driver core changes for 5.19-rc1
2022-06-03 11:48:47 -07:00
clocksource
Clockevent/clocksource updates:
2022-06-05 10:47:06 -07:00
comedi
drivers: comedi: replace ternary operator with min()
2022-05-19 18:54:45 +02:00
connector
…
counter
…
cpufreq
ARM: multiplatform changes, part 2
2022-06-02 15:23:54 -07:00
cpuidle
Merge branches 'pm-em' and 'pm-cpuidle'
2022-05-23 19:18:51 +02:00
crypto
virtio-crypto: enable retry for virtio-crypto-dev
2022-05-31 12:45:09 -04:00
cxl
cxl/port: Enable HDM Capability after validating DVSEC Ranges
2022-05-20 12:30:53 -07:00
dax
dax: add .recovery_write dax_operation
2022-05-16 13:37:59 -07:00
dca
…
devfreq
PM / devfreq: passive: Return non-error when not-supported event is required
2022-05-19 19:32:19 +02:00
dio
drivers: dio: add missing iounmap() in dio_init()
2022-05-19 18:56:51 +02:00
dma
dmaengine updates for v5.19-rc1
2022-05-29 11:38:27 -07:00
dma-buf
drm for 5.19-rc1
2022-05-25 16:18:27 -07:00
edac
- A gargen variety of fixes which don't fit any other tip bucket:
2022-05-23 19:32:59 -07:00
eisa
…
extcon
…
firewire
Merge branch 'for-linus' into for-next
2022-05-23 07:48:27 +02:00
firmware
Follow-up tweaks for the EFI changes in v5.19
2022-06-03 13:39:30 -07:00
fpga
…
fsi
…
gnss
…
gpio
gpio: dwapb: Don't print error on -EPROBE_DEFER
2022-06-10 14:26:15 +02:00
gpu
drm fixes for 5.19-rc2
2022-06-10 10:13:24 -07:00
greybus
…
hid
USB / Thunderbolt changes for 5.19-rc1
2022-06-03 11:17:49 -07:00
hsi
…
hte
hte: Uninitialized variable in hte_ts_get()
2022-05-20 15:54:41 +02:00
hv
Driver core changes for 5.19-rc1
2022-06-03 11:48:47 -07:00
hwmon
hwmon: (aquacomputer_d5next) Fix an error handling path in aqc_probe()
2022-05-22 12:25:55 -07:00
hwspinlock
…
hwtracing
…
i2c
i2c: ismt: prevent memory corruption in ismt_access()
2022-06-02 08:40:56 -07:00
i3c
i3c: master: svc: fix returnvar.cocci warning
2022-05-17 22:34:42 +02:00
idle
cpuidle,intel_idle: Fix CPUIDLE_FLAG_IRQ_ENABLE
2022-06-08 18:05:45 +02:00
iio
Bitmap patches for 5.19-rc1
2022-06-04 14:04:27 -07:00
infiniband
v5.19 pull request
2022-05-26 21:08:40 -07:00
input
Input updates for v5.19-rc1
2022-06-07 15:00:29 -07:00
interconnect
Char / Misc / Other smaller driver subsystem updates for 5.19-rc1
2022-06-03 11:36:34 -07:00
iommu
IOMMU Updates for Linux v5.19
2022-05-31 09:56:54 -07:00
ipack
…
irqchip
irq: mips: replace cpumask_weight with cpumask_empty where appropriate
2022-06-03 06:52:57 -07:00
isdn
…
leds
ARM: multiplatform changes, part 2
2022-06-02 15:23:54 -07:00
macintosh
macintosh: via-pmu and via-cuda need RTC_LIB
2022-05-22 15:58:30 +10:00
mailbox
mailbox: qcom-ipcc: Fix -Wunused-function with CONFIG_PM_SLEEP=n
2022-05-24 08:08:24 -05:00
mcb
…
md
dm: fix zoned locking imbalance due to needless check in clone_endio
2022-06-10 15:23:54 -04:00
media
USB / Thunderbolt changes for 5.19-rc1
2022-06-03 11:17:49 -07:00
memory
More power management updates for 5.19-rc1
2022-05-30 11:37:26 -07:00
memstick
…
message
…
mfd
ARM: multiplatform changes, part 2
2022-06-02 15:23:54 -07:00
misc
Char / Misc / Other smaller driver subsystem updates for 5.19-rc1
2022-06-03 11:36:34 -07:00
mmc
MMC core:
2022-06-07 14:24:30 -07:00
most
…
mtd
This pull request contains fixes for JFFS2, UBI and UBIFS
2022-06-03 14:42:24 -07:00
mux
…
net
mlx5-fixes-2022-06-08
2022-06-09 22:05:37 -07:00
nfc
nfc: nfcmrvl: Fix memory leak in nfcmrvl_play_deferred
2022-06-08 10:18:10 -07:00
ntb
…
nubus
…
nvdimm
cxl for 5.19
2022-05-27 21:24:19 -07:00
nvme
SCSI misc on 20220604
2022-06-05 09:25:12 -07:00
nvmem
…
of
drm for 5.19-rc1
2022-05-25 16:18:27 -07:00
opp
OPP updates for 5.19-rc1
2022-05-25 15:02:26 +02:00
parisc
…
parport
…
pci
Driver core changes for 5.19-rc1
2022-06-03 11:48:47 -07:00
pcmcia
ARM: multiplatform changes, part 2
2022-06-02 15:23:54 -07:00
peci
…
perf
arm64 updates for 5.19:
2022-05-23 21:06:11 -07:00
phy
phy-for-5.19
2022-05-19 16:56:17 +02:00
pinctrl
Pin control bulk changes for the v5.19 series:
2022-05-28 11:15:54 -07:00
platform
platform-drivers-x86 for v5.19-2
2022-06-12 11:33:42 -07:00
pnp
…
power
Char / Misc / Other smaller driver subsystem updates for 5.19-rc1
2022-06-03 11:36:34 -07:00
powercap
Merge branches 'pm-em' and 'pm-cpuidle'
2022-05-23 19:18:51 +02:00
pps
…
ps3
…
ptp
ptp: ptp_clockmatrix: fix is_single_shot
2022-05-25 21:51:32 -07:00
pwm
pwm: pwm-cros-ec: Add channel type support
2022-05-20 16:40:01 +02:00
rapidio
…
ras
…
regulator
Merge back reboot/poweroff notifiers rework for 5.19-rc1.
2022-05-25 14:38:29 +02:00
remoteproc
…
reset
…
rpmsg
rpmsg: char: Add mutex protection for rpmsg_eptdev_open()
2022-06-14 14:58:10 -06:00
rtc
ARM: multiplatform changes, part 2
2022-06-02 15:23:54 -07:00
s390
Driver core changes for 5.19-rc1
2022-06-03 11:48:47 -07:00
sbus
…
scsi
scsi: pmcraid: Fix missing resource cleanup in error case
2022-06-07 22:05:14 -04:00
sh
…
siox
…
slimbus
Driver core changes for 5.19-rc1
2022-06-03 11:48:47 -07:00
soc
Char / Misc / Other smaller driver subsystem updates for 5.19-rc1
2022-06-03 11:36:34 -07:00
soundwire
…
spi
Driver core changes for 5.19-rc1
2022-06-03 11:48:47 -07:00
spmi
…
ssb
…
staging
Char / Misc / Other smaller driver subsystem updates for 5.19-rc1
2022-06-03 11:36:34 -07:00
target
blk-mq: remove the done argument to blk_execute_rq_nowait
2022-05-28 06:15:27 -06:00
tc
…
tee
Fix a compiler warning in OP-TEE driver
2022-05-30 14:44:27 +02:00
thermal
Additional thermal control update for 5.19-rc1
2022-05-30 11:34:13 -07:00
thunderbolt
USB / Thunderbolt changes for 5.19-rc1
2022-06-03 11:17:49 -07:00
tty
xen: branch for v5.19-rc1b
2022-06-04 13:42:53 -07:00
ufs
SCSI misc on 20220604
2022-06-05 09:25:12 -07:00
uio
…
usb
Char / Misc / Other smaller driver subsystem updates for 5.19-rc1
2022-06-03 11:36:34 -07:00
vdpa
vduse: Fix NULL pointer dereference on sysfs access
2022-06-08 08:56:03 -04:00
vfio
VFIO updates for v5.19-rc1
2022-06-01 13:49:15 -07:00
vhost
vdpa: make get_vq_group and set_group_asid optional
2022-06-09 00:26:35 -04:00
video
parisc architecture fixes & updates for kernel v5.19-rc1
2022-06-04 13:50:23 -07:00
virt
Char / Misc / Other smaller driver subsystem updates for 5.19-rc1
2022-06-03 11:36:34 -07:00
virtio
virtio,vdpa: fixes
2022-06-11 16:32:47 -07:00
vlynq
…
vme
…
w1
…
watchdog
ARM: SoC changes, part 2
2022-06-02 15:27:44 -07:00
xen
xen: unexport __init-annotated xen_xlate_map_ballooned_pages()
2022-06-07 08:11:35 +02:00
zorro
…
Kconfig
SCSI misc on 20220604
2022-06-05 09:25:12 -07:00
Makefile
SCSI misc on 20220604
2022-06-05 09:25:12 -07:00