[v4,09/17] media: blackfin: bfin_capture: make sure all buffers are returned on stop_streaming() callback
Commit Message
From: "Lad, Prabhakar" <prabhakar.csengg@gmail.com>
In start_streaming() callback the buffer is removed from the
dma_queue list and assigned to cur_frm, this patch makes sure
that is returned to vb2 core with VB2_BUF_STATE_ERROR flag.
Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Acked-by: Scott Jiang <scott.jiang.linux@gmail.com>
Tested-by: Scott Jiang <scott.jiang.linux@gmail.com>
---
drivers/media/platform/blackfin/bfin_capture.c | 3 +++
1 file changed, 3 insertions(+)
@@ -374,6 +374,9 @@ static void bcap_stop_streaming(struct vb2_queue *vq)
"stream off failed in subdev\n");
/* release all active buffers */
+ if (bcap_dev->cur_frm)
+ vb2_buffer_done(&bcap_dev->cur_frm->vb, VB2_BUF_STATE_ERROR);
+
while (!list_empty(&bcap_dev->dma_queue)) {
bcap_dev->cur_frm = list_entry(bcap_dev->dma_queue.next,
struct bcap_buffer, list);