commit 23cac8debcdb34e97c01350b55ddf65161997a06
author Randy Dunlap <randy.dunlap@oracle.com> Tue Feb 20 13:58:05 2007 -0800
committer Linus Torvalds <torvalds@woody.linux-foundation.org> Tue Feb 20 17:10:14 2007 -0800
tree 70ed507079c92e7f3d9fc3b40fc9ab54485ec4e5
parent 262d9b0130edf9aef1819b211d69f48883d2ac10

[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>

drivers/char/tty_io.c

diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index df46728..f24c26d 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -1533,7 +1533,7 @@
 
 	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);