From: Hans Verkuil <hans.verkuil@xxxxxxxxx>
If start_streaming fails then any queued buffers must be given back
to the vb2 core.
Signed-off-by: Hans Verkuil <hans.verkuil@xxxxxxxxx>
---
drivers/media/platform/vivi.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
diff --git a/drivers/media/platform/vivi.c b/drivers/media/platform/vivi.c
index 2d4e73b..6085e2f 100644
--- a/drivers/media/platform/vivi.c
+++ b/drivers/media/platform/vivi.c
@@ -901,8 +901,19 @@ static void buffer_queue(struct vb2_buffer *vb)
static int start_streaming(struct vb2_queue *vq, unsigned int count)
{
struct vivi_dev *dev = vb2_get_drv_priv(vq);
+ int err;
+
dprintk(dev, 1, "%s\n", __func__);
- return vivi_start_generating(dev);
+ err = vivi_start_generating(dev);
+ if (err) {
+ struct vivi_buffer *buf, *tmp;
+
+ list_for_each_entry_safe(buf, tmp, &dev->vidq.active, list) {
+ list_del(&buf->list);
+ vb2_buffer_done(&buf->vb, VB2_BUF_STATE_QUEUED);
+ }
+ }
+ return err;
}
/* abort streaming and wait for last buffer */
--
1.8.4.rc3
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