From 800d5c2cab62e3aef15ec3d7bf03e859b9e95a44 Mon Sep 17 00:00:00 2001
From: Ying Xue <ying.xue@windriver.com>
Date: Mon, 6 Aug 2012 17:46:37 +0800
Subject: USB: ftdi_sio: Quiet sparse noise about using plain integer was NULL
 pointer

commit a816e3113b63753c330ca4751ea1d208e93e3015 upstream.

Pointers should not be compared to plain integers.
Quiets the sparse warning:
warning: Using plain integer as NULL pointer

Signed-off-by: Ying Xue <ying.xue@windriver.com>
Cc: Lotfi Manseur <lotfi.manseur@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/usb/serial/ftdi_sio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index c6f8e62b4a42..f8a9cd78f268 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -2173,7 +2173,7 @@ static void ftdi_set_termios(struct tty_struct *tty,
 
 	cflag = termios->c_cflag;
 
-	if (old_termios == 0)
+	if (!old_termios)
 		goto no_skip;
 
 	if (old_termios->c_cflag == termios->c_cflag
-- 
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