From c3667d5c321ac2211d04a746f91a48d339a0e0a1 Mon Sep 17 00:00:00 2001
From: Jiri Slaby <jirislaby@gmail.com>
Date: Thu, 7 Feb 2008 00:16:43 -0800
Subject: [PATCH] Char: mxser, 0 to NULL in pointer

Don't test a pointer against 0. Use NULL instead.

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Reviewed-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 drivers/char/mxser_new.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/mxser_new.c b/drivers/char/mxser_new.c
index 0b25457cda05..d2dcc546cc75 100644
--- a/drivers/char/mxser_new.c
+++ b/drivers/char/mxser_new.c
@@ -2153,7 +2153,7 @@ static void mxser_transmit_chars(struct mxser_port *port)
 		return;
 	}
 
-	if (port->xmit_buf == 0)
+	if (port->xmit_buf == NULL)
 		return;
 
 	if ((port->xmit_cnt <= 0) || port->tty->stopped ||
-- 
2.20.1