From: Hariprasad Kelam <hariprasad.kelam@gmail.com>
Date: Sat, 6 Apr 2019 13:14:15 +0000 (+0530)
Subject: watchdog: machzwd : fix warning Using plain integer as NULL pointer
X-Git-Tag: microblaze-v5.4-rc1~738^2~100
X-Git-Url: http://git.monstr.eu/?a=commitdiff_plain;h=33052fbb4f25148ffa8fa417aeaab33b9dc3f37e;p=linux-2.6-microblaze.git

watchdog: machzwd : fix warning Using plain integer as NULL pointer

Changes passing function argument 0 to NULL to avoid below sparse
warning

 CHECK   drivers/watchdog//machzwd.c
drivers/watchdog//machzwd.c:321:25: warning: Using plain integer as NULL
pointer

Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com>
Reviewed-by: Mukesh Ojha <mojha@codeaurora.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
---

diff --git a/drivers/watchdog/machzwd.c b/drivers/watchdog/machzwd.c
index 88d823d87a4b..c3926d0cc016 100644
--- a/drivers/watchdog/machzwd.c
+++ b/drivers/watchdog/machzwd.c
@@ -318,7 +318,7 @@ static long zf_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 	case WDIOC_GETBOOTSTATUS:
 		return put_user(0, p);
 	case WDIOC_KEEPALIVE:
-		zf_ping(0);
+		zf_ping(NULL);
 		break;
 	default:
 		return -ENOTTY;