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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/mem2mem_testdev.c
parent08bff03ed697a583612b62a6ac566bd5bce98012 (diff)
downloadblackbird-op-linux-0e0809a58869e3e422985f868ad5e0da1fc0ba85.tar.gz
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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/mem2mem_testdev.c')
-rw-r--r--drivers/media/video/mem2mem_testdev.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/media/video/mem2mem_testdev.c b/drivers/media/video/mem2mem_testdev.c
index a7210d981388..3b19f5b25a72 100644
--- a/drivers/media/video/mem2mem_testdev.c
+++ b/drivers/media/video/mem2mem_testdev.c
@@ -848,7 +848,7 @@ static void queue_init(void *priv, struct videobuf_queue *vq,
videobuf_queue_vmalloc_init(vq, &m2mtest_qops, ctx->dev->v4l2_dev.dev,
&ctx->dev->irqlock, type, V4L2_FIELD_NONE,
- sizeof(struct m2mtest_buffer), priv);
+ sizeof(struct m2mtest_buffer), priv, NULL);
}
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