linux-kernel - Re: [PATCH] video: fbdev: fsl-diu-fb: remove unneeded variable 'res'

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Message-ID: <20200910143900.GA4162@embeddedor>
Date:   Thu, 10 Sep 2020 09:39:00 -0500
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     Jason Yan <yanaijie@...wei.com>
Cc:     timur@...nel.org, b.zolnierkie@...sung.com,
        linux-fbdev@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, Hulk Robot <hulkci@...wei.com>
Subject: Re: [PATCH] video: fbdev: fsl-diu-fb: remove unneeded variable 'res'

On Thu, Sep 10, 2020 at 10:05:58PM +0800, Jason Yan wrote:
> Eliminate the following coccicheck warning:
> 
> drivers/video/fbdev/fsl-diu-fb.c:1428:5-8: Unneeded variable: "res".
> Return "0" on line 1450
> 
> Reported-by: Hulk Robot <hulkci@...wei.com>
> Signed-off-by: Jason Yan <yanaijie@...wei.com>

Acked-by: Gustavo A. R. Silva <gustavoars@...nel.org>

Thanks
--
Gustavo

> ---
>  drivers/video/fbdev/fsl-diu-fb.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/video/fbdev/fsl-diu-fb.c b/drivers/video/fbdev/fsl-diu-fb.c
> index a547c21c7e92..e332017c6af6 100644
> --- a/drivers/video/fbdev/fsl-diu-fb.c
> +++ b/drivers/video/fbdev/fsl-diu-fb.c
> @@ -1425,7 +1425,6 @@ static int fsl_diu_open(struct fb_info *info, int user)
>  static int fsl_diu_release(struct fb_info *info, int user)
>  {
>  	struct mfb_info *mfbi = info->par;
> -	int res = 0;
>  
>  	spin_lock(&diu_lock);
>  	mfbi->count--;
> @@ -1447,7 +1446,7 @@ static int fsl_diu_release(struct fb_info *info, int user)
>  	}
>  
>  	spin_unlock(&diu_lock);
> -	return res;
> +	return 0;
>  }
>  
>  static const struct fb_ops fsl_diu_ops = {
> -- 
> 2.25.4
>