V4L/DVB (7556): em28xx: fix locking on vidioc_s_fmt_cap

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Currently, vidioc_s_fmt_cap is allowed even if streaming is running on some
other fh. This is likely to cause issues.

Block use of vidioc_s_fmt_cap if someone else has claimed access to the device.

Signed-off-by: Aidan Thornton <makosoft@googlemail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

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Aidan Thornton 2008-04-13 15:02:24 -03:00 • committed by Mauro Carvalho Chehab

parent b957dfdc31

commit 0ea13e6e59

1 changed files with 6 additions and 0 deletions

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drivers/media/video/em28xx/em28xx-video.c

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