From a99cc5d9954651ac7402dcd40b133848303ba596 Mon Sep 17 00:00:00 2001
From: Peter Hurley <peter@hurleysoftware.com>
Date: Sat, 9 Jan 2016 21:13:47 -0800
Subject: [PATCH] tty: Remove !tty check from free_tty_struct()

free_tty_struct() is never called with NULL tty; the two call sites
would already have faulted on earlier access.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/tty/tty_io.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index c9f2365167df..a59930e59660 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -170,8 +170,6 @@ static void release_tty(struct tty_struct *tty, int idx);
 
 void free_tty_struct(struct tty_struct *tty)
 {
-	if (!tty)
-		return;
 	tty_ldisc_deinit(tty);
 	put_device(tty->dev);
 	kfree(tty->write_buf);
-- 
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