linux-kernel - Re: [PATCH][next] video: fbdev: atmel_lcdfb: remove redundant initialization to variable ret

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Date:   Wed, 12 Jun 2019 16:13:56 +0200
From:   Ludovic Desroches <ludovic.desroches@...rochip.com>
To:     Nicolas Ferre - M43238 <Nicolas.Ferre@...rochip.com>
CC:     Colin King <colin.king@...onical.com>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        "linux-fbdev@...r.kernel.org" <linux-fbdev@...r.kernel.org>,
        "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "kernel-janitors@...r.kernel.org" <kernel-janitors@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH][next] video: fbdev: atmel_lcdfb: remove redundant
 initialization to variable ret

On Wed, Jun 12, 2019 at 09:55:30AM +0200, Nicolas Ferre - M43238 wrote:
> On 11/06/2019 at 19:09, Colin King wrote:
> > External E-Mail
> > 
> > 
> > From: Colin Ian King <colin.king@...onical.com>
> > 
> > Currently variable ret is being initialized with -ENOENT however that
> > value is never read and ret is being re-assigned later on. Hence this
> > assignment is redundant and can be removed.
> > 
> > Addresses-Coverity: ("Unused value")
> > Signed-off-by: Colin Ian King <colin.king@...onical.com>
> 
> Indeed:
> Acked-by: Nicolas Ferre <nicolas.ferre@...rochip.com>

Acked-by: Ludovic Desroches <ludovic.desroches@...rochip.com> 

Thanks

> 
> Thanks, best regards,
>    Nicolas
> 
> 
> > ---
> >   drivers/video/fbdev/atmel_lcdfb.c | 2 +-
> >   1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/drivers/video/fbdev/atmel_lcdfb.c b/drivers/video/fbdev/atmel_lcdfb.c
> > index fb117ccbeab3..930cc3f92e01 100644
> > --- a/drivers/video/fbdev/atmel_lcdfb.c
> > +++ b/drivers/video/fbdev/atmel_lcdfb.c
> > @@ -950,7 +950,7 @@ static int atmel_lcdfb_of_init(struct atmel_lcdfb_info *sinfo)
> >   	struct fb_videomode fb_vm;
> >   	struct gpio_desc *gpiod;
> >   	struct videomode vm;
> > -	int ret = -ENOENT;
> > +	int ret;
> >   	int i;
> >   
> >   	sinfo->config = (struct atmel_lcdfb_config*)
> > 
> 
> 
> -- 
> Nicolas Ferre