From 0e0809a58869e3e422985f868ad5e0da1fc0ba85 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sun, 26 Sep 2010 09:01:26 -0300 Subject: 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: add extra argument to a few missing places] Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/mx3_camera.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/media/video/mx3_camera.c') diff --git a/drivers/media/video/mx3_camera.c b/drivers/media/video/mx3_camera.c index a9be14c23912..a13076969e5a 100644 --- a/drivers/media/video/mx3_camera.c +++ b/drivers/media/video/mx3_camera.c @@ -185,7 +185,7 @@ static void free_buffer(struct videobuf_queue *vq, struct mx3_camera_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); if (txd) { ichan = to_idmac_chan(txd->chan); async_tx_ack(txd); -- cgit v1.2.2