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media: bdisp: Add missing check for create_workqueue
authorJiasheng Jiang <jiasheng@iscas.ac.cn>
Wed, 8 Feb 2023 07:14:42 +0000 (08:14 +0100)
committerMauro Carvalho Chehab <mchehab@kernel.org>
Sun, 19 Mar 2023 21:52:04 +0000 (22:52 +0100)
commit2371adeab717d8fe32144a84f3491a03c5838cfb
tree05902f70bc96698465a53b7c8906615b21de592b
parent474acc639fc8671fa4c1919d9e03253c82b6d321
media: bdisp: Add missing check for create_workqueue

Add the check for the return value of the create_workqueue
in order to avoid NULL pointer dereference.

Fixes: 28ffeebbb7bd ("[media] bdisp: 2D blitter driver using v4l2 mem2mem framework")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
drivers/media/platform/st/sti/bdisp/bdisp-v4l2.c