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[media] staging: media: davinci: vpfe: release buffers in case start_streaming call back fails

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this patch releases the buffer by calling vb2_buffer_done(),
with state marked as VB2_BUF_STATE_QUEUED if start_streaming()
call back fails.

Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
This commit is contained in:
Lad, Prabhakar 2014-03-23 03:37:25 -03:00 committed by Mauro Carvalho Chehab
parent 933fd6e57d
commit 8f7402a304
1 changed files with 9 additions and 1 deletions
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10
drivers/staging/media/davinci_vpfe/vpfe_video.c
View file

@ -1218,8 +1218,16 @@ static int vpfe_start_streaming(struct vb2_queue *vq, unsigned int count)
video->state = VPFE_VIDEO_BUFFER_QUEUED;
ret = vpfe_start_capture(video);
if (ret)
if (ret) {
struct vpfe_cap_buffer *buf, *tmp;
vb2_buffer_done(&video->cur_frm->vb, VB2_BUF_STATE_QUEUED);
list_for_each_entry_safe(buf, tmp, &video->dma_queue, list) {
list_del(&buf->list);
vb2_buffer_done(&buf->vb, VB2_BUF_STATE_QUEUED);
}
goto unlock_out;
}
mutex_unlock(&video->lock);