V4L/DVB (8505): saa7134-empress.c: fix deadlock

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ts_release() locked a mutex that videobuf_stop() also tried to obtain.
But ts_release() shouldn't hold that mutex at all.

Make empress_users atomic as well to prevent possible race condition.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

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Hans Verkuil 2008-07-26 09:01:24 -03:00 • committed by Mauro Carvalho Chehab

parent feb75f0710

commit 1052efe0fc

2 changed files with 5 additions and 9 deletions

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12

drivers/media/video/saa7134/saa7134-empress.c

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2

drivers/media/video/saa7134/saa7134.h

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