V4L/DVB: videobuf: Add support for V4L2_BUF_FLAG_ERROR

For recoverable stream errors dqbuf() now returns 0 and the error flag
is set instead of returning EIO.

Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
1 file changed