[media] V4L: videobuf2: update buffer state on VIDIOC_QBUF

V4L2 specification states, that the videobuffer state flags have to be
updated on VIDIOC_QBUF ioctl(). Videobuf2 currently doesn't do that,
which is fixed by this patch.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/media/video/videobuf2-core.c b/drivers/media/video/videobuf2-core.c
index b88b5b08792..82b51be3ca7 100644
--- a/drivers/media/video/videobuf2-core.c
+++ b/drivers/media/video/videobuf2-core.c
@@ -935,6 +935,9 @@ int vb2_qbuf(struct vb2_queue *q, struct v4l2_buffer *b)
         if (q->streaming)
                 __enqueue_in_driver(vb);
 
+        /* Fill buffer information for the userspace */
+        __fill_v4l2_buffer(vb, b);
+
         dprintk(1, "qbuf of buffer %d succeeded\n", vb->v4l2_buf.index);
         return 0;
 }