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V4L/DVB (7556): em28xx: fix locking on vidioc_s_fmt_cap
authorAidan Thornton <makosoft@googlemail.com>
Sun, 13 Apr 2008 18:02:24 +0000 (15:02 -0300)
committerMauro Carvalho Chehab <mchehab@infradead.org>
Thu, 24 Apr 2008 17:08:48 +0000 (14:08 -0300)
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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