diff --git a/drivers/media/video/videobuf-core.c b/drivers/media/video/videobuf-core.c
index 9662d1e40a0c92d073c1c01467c90818fc180519..43fe3f78c8df4967e06cbf5d8329a19e2de422ab 100644
--- a/drivers/media/video/videobuf-core.c
+++ b/drivers/media/video/videobuf-core.c
@@ -812,7 +812,7 @@ ssize_t videobuf_read_one(struct videobuf_queue *q,
 }
 
 /* Locking: Caller holds q->lock */
-int __videobuf_read_start(struct videobuf_queue *q)
+static int __videobuf_read_start(struct videobuf_queue *q)
 {
 	enum v4l2_field field;
 	unsigned long flags = 0;