Hi Sasha, On Mon, 2018-09-17 at 03:03 +0000, Sasha Levin wrote: > From: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxx> > > [ Upstream commit cd63c0288fd760ce7de247fba618e2bbcfc0c35c ] > > Currently, this driver does not serialize its video4linux > ioctls, which is a bug, as race conditions might appear. > > In addition, video_device and vb2_queue locks are now both > mandatory. Add them, and implement wait_prepare and > wait_finish. > > To stay on the safe side, this commit uses a single mutex > for both locks. Better latency can be obtained by separating > these if needed. > > Signed-off-by: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxx> > Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx> > Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@xxxxxxxxxx> > Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx> Hm, I am not so sure this patch should go to -stable, as it's not fixing a real bug we've seen out there. Regards, Eze
