From: Fabio Estevam <fabio.estevam@freescale.com>
Date: Tue, 25 Aug 2015 19:49:46 +0000 (-0300)
Subject: serial: 68328serial: Use NULL for pointers
X-Git-Tag: firefly_0821_release~176^2~803^2~91
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=740134960811bdeadaf52d6155d8fea97470dcda;p=firefly-linux-kernel-4.4.55.git

serial: 68328serial: Use NULL for pointers

Compare pointer-typed values to NULL rather than 0

The semantic patch that makes this change is available
in scripts/coccinelle/null/badzero.cocci.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/tty/serial/68328serial.c b/drivers/tty/serial/68328serial.c
index 748c18f8c8cd..9ba0c9333078 100644
--- a/drivers/tty/serial/68328serial.c
+++ b/drivers/tty/serial/68328serial.c
@@ -560,8 +560,8 @@ static void rs_fair_output(void)
 	struct m68k_serial *info = &m68k_soft[0];
 	char c;
 
-	if (info == 0) return;
-	if (info->xmit_buf == 0) return;
+	if (info == NULL) return;
+	if (info->xmit_buf == NULL) return;
 
 	local_irq_save(flags);
 	left = info->xmit_cnt;