diff --git a/drivers/md/md.c b/drivers/md/md.c
index 3cf0893..241d514 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -146,7 +146,7 @@
  */
 static DECLARE_WAIT_QUEUE_HEAD(md_event_waiters);
 static atomic_t md_event_count;
-void md_new_event(mddev_t *mddev)
+static void md_new_event(mddev_t *mddev)
 {
 	atomic_inc(&md_event_count);
 	wake_up(&md_event_waiters);