tree 1dd1dad1ae3593a7042b993fd21cbdee626a9ac8
parent 99ddcc7edbb6b1d35a542f6bf0383f1f5a1aa0b0
author Oleg Nesterov <oleg@tv-sign.ru> 1169593453 -0300
committer Mauro Carvalho Chehab <mchehab@infradead.org> 1169596821 -0200

V4L/DVB (5123): Buf_qbuf: fix: videobuf_queue->stream corruption and lockup

We are doing ->buf_prepare(buf) before adding buf to q->stream list. This
means that videobuf_qbuf() should not try to re-add a STATE_PREPARED buffer.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>