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d23d124843
linux-next/drivers/char
History
Tadeusz Struk d23d124843 tpm: fix invalid locking in NONBLOCKING mode 
When an application sends TPM commands in NONBLOCKING mode
the driver holds chip->tpm_mutex returning from write(),
which triggers: "WARNING: lock held when returning to user space".
To fix this issue the driver needs to release the mutex before
returning and acquire it again in tpm_dev_async_work() before
sending the command.

Cc: stable@vger.kernel.org
Fixes: 9e1b74a63f (tpm: add support for nonblocking operation)
Reported-by: Jeffrin Jose T <jeffrin@rajagiritech.edu.in>
Tested-by: Jeffrin Jose T <jeffrin@rajagiritech.edu.in>
Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
2019-12-17 12:20:04 +02:00
..
agp drm msm + fixes for 5.5-rc1 2019-12-06 10:28:09 -08:00
hw_random Char/Misc driver patches for 5.5-rc1 2019-11-27 10:53:50 -08:00
ipmi compat_ioctl: remove most of fs/compat_ioctl.c 2019-12-01 13:46:15 -08:00
mwave treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
pcmcia treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 18 2019-05-21 11:28:46 +02:00
tpm tpm: fix invalid locking in NONBLOCKING mode 2019-12-17 12:20:04 +02:00
xilinx_hwicap treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
xillybus char: xillybus: use devm_platform_ioremap_resource() to simplify code 2019-11-05 18:29:21 +01:00
adi.c char: sparc64: Add privileged ADI driver 2018-06-05 11:24:55 -07:00
apm-emulation.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
applicom.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
applicom.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
bsr.c Merge 5.2-rc4 into char-misc-next 2019-06-09 09:11:21 +02:00
ds1620.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
dsp56k.c vfs: do bulk POLL* -> EPOLL* replacement 2018-02-11 14:34:03 -08:00
dtlk.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
efirtc.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
hangcheck-timer.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 405 2019-06-05 17:37:13 +02:00
hpet.c hpet: Fix division by zero in hpet_time_div() 2019-07-25 14:39:51 +02:00
Kconfig char: Fix Kconfig indentation 2019-11-20 15:09:48 +01:00
lp.c lp: fix sparc64 LPSETTIMEOUT ioctl 2019-11-13 19:08:22 +08:00
Makefile char: remove the SGI tiocx/mbcs driver 2019-08-16 11:33:56 -07:00
mem.c Merge branch 'next-lockdown' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2019-09-28 08:14:15 -07:00
misc.c char: misc: Move EXPORT_SYMBOL immediately next to the functions/varibles 2019-05-24 18:00:41 +02:00
mspec.c char/mspec: remove SGI SN2 support 2019-08-16 11:33:56 -07:00
nsc_gpio.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
nvram.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
nwbutton.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
nwbutton.h treewide: Switch DEFINE_TIMER callbacks to struct timer_list * 2017-11-21 15:57:05 -08:00
nwflash.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
pc8736x_gpio.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
powernv-op-panel.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
ppdev.c compat_ioctl: remove most of fs/compat_ioctl.c 2019-12-01 13:46:15 -08:00
ps3flash.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 164 2019-05-30 11:26:38 -07:00
random.c compat_ioctl: remove most of fs/compat_ioctl.c 2019-12-01 13:46:15 -08:00
raw.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
rtc.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
scx200_gpio.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
sonypi.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 61 2019-05-24 17:36:45 +02:00
tb0219.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
tlclk.c tlclk: clean an indentation issue, remove extraneous tabs 2018-11-11 12:58:27 -08:00
toshiba.c toshiba: Add correct printk log level while emitting error log 2019-09-04 13:42:43 +02:00
ttyprintk.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 402 2019-06-05 17:37:13 +02:00
uv_mmtimer.c
virtio_console.c Pipework for general notification queue 2019-11-30 14:12:13 -08:00