linux-kernel - Re: [PATCH] video: fbdev: xen-fbfront.c: Cleaning up useless assignment of function parameter

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Date:	Mon, 7 Jul 2014 11:20:39 +0100
From:	Stefano Stabellini <stefano.stabellini@...citrix.com>
To:	Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>
CC:	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Tomi Valkeinen <tomi.valkeinen@...com>,
	Stefano Stabellini <stefano.stabellini@...citrix.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>,
	Jingoo Han <jg1.han@...sung.com>,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	<linux-fbdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] video: fbdev: xen-fbfront.c:  Cleaning up useless
 assignment of function parameter

On Sun, 6 Jul 2014, Rickard Strandqvist wrote:
> Remove assignment of function parameter, that has no effect outside the function
> 
> This was found using a static code analysis program called cppcheck
> 
> Signed-off-by: Rickard Strandqvist <rickard_strandqvist@...ctrumdigital.se>

Acked-by: Stefano Stabellini <stefano.stabellini@...citrix.com>


>  drivers/video/fbdev/xen-fbfront.c |    1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/video/fbdev/xen-fbfront.c b/drivers/video/fbdev/xen-fbfront.c
> index 901014b..e1207a1 100644
> --- a/drivers/video/fbdev/xen-fbfront.c
> +++ b/drivers/video/fbdev/xen-fbfront.c
> @@ -222,7 +222,6 @@ static int xenfb_setcolreg(unsigned regno, unsigned red, unsigned green,
>  	red = CNVT_TOHW(red, info->var.red.length);
>  	green = CNVT_TOHW(green, info->var.green.length);
>  	blue = CNVT_TOHW(blue, info->var.blue.length);
> -	transp = CNVT_TOHW(transp, info->var.transp.length);
>  #undef CNVT_TOHW
>  
>  	v = (red << info->var.red.offset) |
> -- 
> 1.7.10.4
> 
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