linux-kernel - Re: [PATCH] video: fbdev: sis: init.c: Cleaning up variable that is never used

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Message-ID: <20140705192317.GD25934@mwanda>
Date:	Sat, 5 Jul 2014 22:23:18 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
Cc:	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Tomi Valkeinen <tomi.valkeinen@...com>,
	Rickard Strandqvist <rickard.strandqvist@...ymobile.com>,
	Jingoo Han <jg1.han@...sung.com>,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	Mauro Carvalho Chehab <m.chehab@...sung.com>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	"Chen, Gong" <gong.chen@...ux.intel.com>,
	linux-fbdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] video: fbdev: sis: init.c:  Cleaning up variable that is
 never used

On Sat, Jul 05, 2014 at 02:48:27PM +0200, Rickard Strandqvist wrote:
> From: Rickard Strandqvist <rickard.strandqvist@...ymobile.com>

These for lines are for when you are sending on someone else's behalf.

> 
> Variable ar assigned a value that is never used.
> I have also removed all the code that thereby serves no purpose.
> 
> This was found using a static code analysis program called cppcheck
> 
> Signed-off-by: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
> ---
>  drivers/video/fbdev/sis/init.c |   21 +++++----------------
>  1 file changed, 5 insertions(+), 16 deletions(-)
> 
> diff --git a/drivers/video/fbdev/sis/init.c b/drivers/video/fbdev/sis/init.c
> index bd40f5e..3ba446c 100644
> --- a/drivers/video/fbdev/sis/init.c
> +++ b/drivers/video/fbdev/sis/init.c
> @@ -2649,7 +2649,7 @@ static void
>  SiS_SetCRT1ModeRegs(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
>  		unsigned short ModeIdIndex, unsigned short RRTI)
>  {
> -   unsigned short data, infoflag = 0, modeflag, resindex;
> +   unsigned short data, infoflag = 0, modeflag;
>  #ifdef CONFIG_FB_SIS_315
>     unsigned char  *ROMAddr  = SiS_Pr->VirtualRomBase;
>     unsigned short data2, data3;
> @@ -2660,7 +2660,7 @@ SiS_SetCRT1ModeRegs(struct SiS_Private *SiS_Pr, unsigned short ModeNo,
>     if(SiS_Pr->UseCustomMode) {
>        infoflag = SiS_Pr->CInfoFlag;
>     } else {
> -      resindex = SiS_GetResInfo(SiS_Pr, ModeNo, ModeIdIndex);
> +      SiS_GetResInfo(SiS_Pr, ModeNo, ModeIdIndex);

Remove this whole line.

regards,
dan carpenter

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