From: Aidan Thornton <makosoft@googlemail.com>
Date: Sun, 13 Apr 2008 17:56:02 +0000 (-0300)
Subject: V4L/DVB (7548): Various fixes for the em28xx videobuf code
X-Git-Tag: v2.6.26-rc1~1084^2~166
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e0fadfd34dda2205b296b8826acfaaf4df2e022f;p=pandora-kernel.git

V4L/DVB (7548): Various fixes for the em28xx videobuf code

- Aborting buffer_filled if no-one's waiting on the waitqueue probably isn't
  what we want, since just because no-one's waiting for it now doesn't mean they
  wouldn't dequeue it in time. (vivi gets away with this, possibly because it
  can fill each buffer much faster.)

- The first BUG_ON(lencopy <= 0); really isn't worth causing a kernel panic
  over, especially since there are some reasons why it could trigger in normal use.

- The top and botom frames are actually the wrong way around.

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