From 617ef61be684451316c8095e3482833faa81a461 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Tue, 24 Jul 2012 12:52:04 +0100
Subject: [PATCH] --- yaml --- r: 325628 b: refs/heads/master c:
 dc6802a771e91050fb686dfeeb9de4c6c9cadb79 h: refs/heads/master v: v3

---
 [refs]                     | 2 +-
 trunk/drivers/tty/tty_io.c | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/[refs] b/[refs]
index d477e28d86a9..e4e87656b4ac 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4ac5d7050e4e4d63751e78fb152a274d05c08563
+refs/heads/master: dc6802a771e91050fb686dfeeb9de4c6c9cadb79
diff --git a/trunk/drivers/tty/tty_io.c b/trunk/drivers/tty/tty_io.c
index 608749978df4..6784aae210e3 100644
--- a/trunk/drivers/tty/tty_io.c
+++ b/trunk/drivers/tty/tty_io.c
@@ -181,6 +181,8 @@ struct tty_struct *alloc_tty_struct(void)
 
 void free_tty_struct(struct tty_struct *tty)
 {
+	if (!tty)
+		return;
 	if (tty->dev)
 		put_device(tty->dev);
 	kfree(tty->write_buf);