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Subject: Re: [PATCH] watchdog: machzwd : fix warning Using plain integer as
 NULL pointer
To:     Hariprasad Kelam <hariprasad.kelam@gmail.com>,
        Wim Van Sebroeck <wim@linux-watchdog.org>,
        Guenter Roeck <linux@roeck-us.net>,
        linux-watchdog@vger.kernel.org, linux-kernel@vger.kernel.org
References: <20190406131415.GA3844@hari-Inspiron-1545>
From:   Mukesh Ojha <mojha@codeaurora.org>
Message-ID: <38e42bc9-f0b1-5839-c5f3-b88d0fd2dd41@codeaurora.org>
Date:   Sun, 7 Apr 2019 00:17:50 +0530
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On 4/6/2019 6:44 PM, Hariprasad Kelam wrote:
> 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>

Cheers,
-Mukesh

> ---
>   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;