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(parent: 11b982e) | patch
media: ttusb-dec: avoid release of non-acquired mutex
authorEvgeny Novikov <novikov@ispras.ru>
Tue, 20 Jul 2021 09:28:27 +0000 (11:28 +0200)
committerMauro Carvalho Chehab <mchehab+huawei@kernel.org>
Thu, 30 Sep 2021 08:07:40 +0000 (10:07 +0200)
commit36b9d695aa6fb8e9a312db21af41f90824d16ab4
tree3775d5bbc7d4a6351cec3e8f4fb9592a369b2ce2tree | snapshot
parent11b982e950d2138e90bd120501df10a439006ff8commit | diff
media: ttusb-dec: avoid release of non-acquired mutex

ttusb_dec_send_command() invokes mutex_lock_interruptible() that can
fail but then it releases the non-acquired mutex. The patch fixes that.

Found by Linux Driver Verification project (linuxtesting.org).

Fixes: dba328bab4c6 ("media: ttusb-dec: cleanup an error handling logic")
Signed-off-by: Evgeny Novikov <novikov@ispras.ru>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
drivers/media/usb/ttusb-dec/ttusb_dec.c diff | blob | history
Domain: System / Kernel;