1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/media/video/video-buf.c b/drivers/media/video/video-buf.c
index bd34f81dbc69..9a6bf287e26a 100644
--- a/drivers/media/video/video-buf.c
+++ b/drivers/media/video/video-buf.c
@@ -816,6 +816,7 @@ ssize_t videobuf_read_one(struct videobuf_queue *q,
                 if (NULL == q->read_buf)
                         goto done;
                 q->read_buf->memory = V4L2_MEMORY_USERPTR;
+                q->read_buf->bsize = count; /* preferred size */
                 field = videobuf_next_field(q);
                 retval = q->ops->buf_prepare(q,q->read_buf,field);
                 if (0 != retval) {