V4L/DVB (7550): em28xx: Fix a possible memory leak
authorBrandon Philips <bphilips@suse.de>
Sun, 13 Apr 2008 17:57:01 +0000 (14:57 -0300)
committerMauro Carvalho Chehab <mchehab@infradead.org>
Thu, 24 Apr 2008 17:08:48 +0000 (14:08 -0300)
I did notice a possible memory leak since iolock is could possibly be
called before a buffer has been freed.

This ensure s_fmt isn't called while the queue is busy thereby avoiding
iolock on already allocated buffers.

Signed-off-by: Brandon Philips <bphilips@suse.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

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