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| author | Oleg Nesterov <oleg@tv-sign.ru> | 2007-02-20 16:07:19 +0100 |
|---|---|---|
| committer | Adrian Bunk <bunk@stusta.de> | 2007-02-20 16:07:19 +0100 |
| commit | af8f3558878c9894b8ed08d9273c6357aca313aa (patch) | |
| tree | 0477059c1f3172dda50578be4b11129501139b81 | |
| parent | ee1aebb4a4bffe532d3112353e60d32cc61e8df9 (diff) | |
| download | lwn-af8f3558878c9894b8ed08d9273c6357aca313aa.tar.gz lwn-af8f3558878c9894b8ed08d9273c6357aca313aa.zip | |
V4L/DVB: 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.
Adrian Bunk:
Backported to 2.6.16.
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
| -rw-r--r-- | drivers/media/video/video-buf.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/media/video/video-buf.c b/drivers/media/video/video-buf.c index 9ef477523d27..9e77f87edbc9 100644 --- a/drivers/media/video/video-buf.c +++ b/drivers/media/video/video-buf.c @@ -608,6 +608,7 @@ videobuf_qbuf(struct videobuf_queue *q, if (buf->memory != b->memory) goto done; if (buf->state == STATE_QUEUED || + buf->state == STATE_PREPARED || buf->state == STATE_ACTIVE) goto done; |