Use the newly introduced vb2_get_buffer API and avoid
accessing buffers in the queue directly.
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
                 */
                struct vb2_queue *vq;
                struct hva_stream *stream;
+               struct vb2_buffer *vb2_buf;
 
                vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, buf->type);
 
                        return -EINVAL;
                }
 
-               stream = (struct hva_stream *)vq->bufs[buf->index];
+               vb2_buf = vb2_get_buffer(vq, buf->index);
+               stream = to_hva_stream(to_vb2_v4l2_buffer(vb2_buf));
                stream->bytesused = buf->bytesused;
        }