From: Randy Dunlap <randy.dunlap@oracle.com>
Date: Tue, 20 Feb 2007 21:58:05 +0000 (-0800)
Subject: [PATCH] tty: use NULL for ptrs
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=23cac8debcdb34e97c01350b55ddf65161997a06;p=linux-beck.git

[PATCH] tty: use NULL for ptrs

Fix sparse warning in tty_io:
drivers/char/tty_io.c:1536:34: warning: Using plain integer as NULL pointer

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index df467284ff4e..f24c26d2dba1 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -1533,7 +1533,7 @@ void disassociate_ctty(int on_exit)
 
 	spin_lock_irq(&current->sighand->siglock);
 	tty_pgrp = current->signal->tty_old_pgrp;
-	current->signal->tty_old_pgrp = 0;
+	current->signal->tty_old_pgrp = NULL;
 	spin_unlock_irq(&current->sighand->siglock);
 	put_pid(tty_pgrp);