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Date:   Sat, 6 Apr 2019 18:44:15 +0530
From:   Hariprasad Kelam <hariprasad.kelam@...il.com>
To:     Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Guenter Roeck <linux@...ck-us.net>,
        linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] 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@...il.com>
---
 drivers/watchdog/machzwd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/watchdog/machzwd.c b/drivers/watchdog/machzwd.c
index 88d823d..c3926d0 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;
-- 
2.7.4

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