diff --git a/[refs] b/[refs]
index 4a7669e0be36..f1c8b8da7c1c 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a5e04b760a033c5247478dbc957970cd9d968fc6
+refs/heads/master: 2520e2745cf35c8fd01476dd01eacfc813649f7a
diff --git a/trunk/drivers/tty/tty_io.c b/trunk/drivers/tty/tty_io.c
index 739ea86c1cf1..da9fde850754 100644
--- a/trunk/drivers/tty/tty_io.c
+++ b/trunk/drivers/tty/tty_io.c
@@ -236,7 +236,7 @@ void tty_free_file(struct file *file)
 }
 
 /* Delete file from its tty */
-void tty_del_file(struct file *file)
+static void tty_del_file(struct file *file)
 {
 	struct tty_file_private *priv = file->private_data;
 
@@ -554,7 +554,7 @@ EXPORT_SYMBOL_GPL(tty_wakeup);
  *		  tasklist_lock to walk task list for hangup event
  *		    ->siglock to protect ->signal/->sighand
  */
-void __tty_hangup(struct tty_struct *tty)
+static void __tty_hangup(struct tty_struct *tty)
 {
 	struct file *cons_filp = NULL;
 	struct file *filp, *f = NULL;