media: cedrus: Forbid setting new formats on busy queues

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Check that our queues are not busy before setting the format or return
EBUSY if that's the case. This ensures that our format can't change
once buffers are allocated for the queue.

Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

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Paul Kocialkowski 2019-02-14 04:25:11 -05:00 • committed by Mauro Carvalho Chehab

parent ffaec3b21a

commit 9dacde5ed0

1 changed files with 10 additions and 0 deletions

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drivers/staging/media/sunxi/cedrus/cedrus_video.c

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