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authorHans Verkuil <hverkuil@xs4all.nl>2010-09-26 09:01:26 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-10-21 01:06:14 -0200
commit0e0809a58869e3e422985f868ad5e0da1fc0ba85 (patch)
treee4895d60a050e15d6c4b21aa7dbc4090199efdf3 /drivers/media/video/mx1_camera.c
parent08bff03ed697a583612b62a6ac566bd5bce98012 (diff)
V4L/DVB: videobuf: add queue argument to videobuf_waiton()
videobuf_waiton() must unlock and relock ext_lock if it has to wait. For that to happen it needs the videobuf_queue pointer. Don't attempt to unlock/relock q->ext_lock unless it was locked in the first place. vb->state has to be protected by a spinlock to be safe. This patch is based on code from Mauro Carvalho Chehab <mchehab@redhat.com>. [mchehab@redhat.com: add extra argument to a few missing places] Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/mx1_camera.c')
-rw-r--r--drivers/media/video/mx1_camera.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/video/mx1_camera.c b/drivers/media/video/mx1_camera.c
index 5c17f9ec3d7..e8a5ffcb6f0 100644
--- a/drivers/media/video/mx1_camera.c
+++ b/drivers/media/video/mx1_camera.c
@@ -161,7 +161,7 @@ static void free_buffer(struct videobuf_queue *vq, struct mx1_buffer *buf)
* This waits until this buffer is out of danger, i.e., until it is no
* longer in STATE_QUEUED or STATE_ACTIVE
*/
- videobuf_waiton(vb, 0, 0);
+ videobuf_waiton(vq, vb, 0, 0);
videobuf_dma_contig_free(vq, vb);
vb->state = VIDEOBUF_NEEDS_INIT;