diff --git a/drivers/media/video/saa7134/saa7134-video.c b/drivers/media/video/saa7134/saa7134-video.c
index 58854df5382b0620a94015db5681827082e41210..da26f476a302f9282e37213e59ff5885e1ee2a28 100644
--- a/drivers/media/video/saa7134/saa7134-video.c
+++ b/drivers/media/video/saa7134/saa7134-video.c
@@ -1444,7 +1444,6 @@ video_poll(struct file *file, struct poll_table_struct *wait)
 			fh->cap.ops->buf_queue(&fh->cap,fh->cap.read_buf);
 			fh->cap.read_off = 0;
 		}
-		mutex_unlock(&fh->cap.vb_lock);
 		buf = fh->cap.read_buf;
 	}