linux-kernel - Re: [PATCH] watchdog: digicolor_wdt: Remove unused variable in dc_wdt

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Date:   Tue, 9 Jul 2019 14:00:46 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Nathan Chancellor <natechancellor@...il.com>
Cc:     Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org,
        clang-built-linux@...glegroups.com,
        "kernelci . org bot" <bot@...nelci.org>
Subject: Re: [PATCH] watchdog: digicolor_wdt: Remove unused variable in
 dc_wdt_probe

On Tue, Jul 09, 2019 at 01:34:09PM -0700, Nathan Chancellor wrote:
> clang warns:
> 
> drivers/watchdog/digicolor_wdt.c:121:6: warning: unused variable 'ret'
> [-Wunused-variable]
>         int ret;
>             ^
> 1 warning generated.
> 
> It's unused now, remove it.
> 
> Fixes: cdad26977e3f ("watchdog: digicolor_wdt: drop warning after registering device")
> Link: https://github.com/ClangBuiltLinux/linux/issues/591
> Reported-by: kernelci.org bot <bot@...nelci.org>
> Signed-off-by: Nathan Chancellor <natechancellor@...il.com>

Reviewed-by: Guenter Roeck <linux@...ck-us.net>

> ---
>  drivers/watchdog/digicolor_wdt.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/watchdog/digicolor_wdt.c b/drivers/watchdog/digicolor_wdt.c
> index 33cda95bd238..073d37867f47 100644
> --- a/drivers/watchdog/digicolor_wdt.c
> +++ b/drivers/watchdog/digicolor_wdt.c
> @@ -118,7 +118,6 @@ static int dc_wdt_probe(struct platform_device *pdev)
>  {
>  	struct device *dev = &pdev->dev;
>  	struct dc_wdt *wdt;
> -	int ret;
>  
>  	wdt = devm_kzalloc(dev, sizeof(struct dc_wdt), GFP_KERNEL);
>  	if (!wdt)
> -- 
> 2.22.0
>