diff --git a/[refs] b/[refs]
index 284b32525e76..2de46280b722 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d36e74c4392b5f26a5c4d94d7881a156ddc8e593
+refs/heads/master: d7ce20b2024d318b9ba88859226af1441270d99f
diff --git a/trunk/drivers/char/tty_io.c b/trunk/drivers/char/tty_io.c
index fa48dba5ba5e..6f4d856df987 100644
--- a/trunk/drivers/char/tty_io.c
+++ b/trunk/drivers/char/tty_io.c
@@ -1119,19 +1119,6 @@ int tty_hung_up_p(struct file *filp)
 
 EXPORT_SYMBOL(tty_hung_up_p);
 
-/**
- *	is_tty	-	checker whether file is a TTY
- *	@filp:		file handle that may be a tty
- *
- *	Check if the file handle is a tty handle.
- */
-
-int is_tty(struct file *filp)
-{
-	return filp->f_op->read == tty_read
-		|| filp->f_op->read == hung_up_tty_read;
-}
-
 static void session_clear_tty(struct pid *session)
 {
 	struct task_struct *p;