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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/videobuf-dvb.c
parent08bff03ed697a583612b62a6ac566bd5bce98012 (diff)
downloadlinux-0e0809a58869e3e422985f868ad5e0da1fc0ba85.tar.bz2
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/videobuf-dvb.c')
-rw-r--r--drivers/media/video/videobuf-dvb.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/video/videobuf-dvb.c b/drivers/media/video/videobuf-dvb.c
index 3f76398968b8..3de7c7e4402d 100644
--- a/drivers/media/video/videobuf-dvb.c
+++ b/drivers/media/video/videobuf-dvb.c
@@ -57,7 +57,7 @@ static int videobuf_dvb_thread(void *data)
buf = list_entry(dvb->dvbq.stream.next,
struct videobuf_buffer, stream);
list_del(&buf->stream);
- err = videobuf_waiton(buf,0,1);
+ err = videobuf_waiton(&dvb->dvbq, buf, 0, 1);
/* no more feeds left or stop_feed() asked us to quit */
if (0 == dvb->nfeeds)