[media] media: blackfin: bfin_capture: make sure all buffers are returned on stop_str...

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>
Tested-by: Scott Jiang <scott.jiang.linux@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

diff --git a/drivers/media/platform/blackfin/bfin_capture.c b/drivers/media/platform/blackfin/bfin_capture.c
index 2a9e93304a20d7f0ccf1790a371983d45ab51819..f2b1a23f26c41a8324f679923d7928900a094f77 100644 (file)
--- a/drivers/media/platform/blackfin/bfin_capture.c
+++ b/drivers/media/platform/blackfin/bfin_capture.c
@@ -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);