linux-kernel - Re: [PATCH] arch:arm:plat-omap:iovmm: remove unused variable 'va'

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Date:	Wed, 10 Aug 2011 04:18:05 -0700
From:	Tony Lindgren <tony@...mide.com>
To:	Maxin B John <maxin.john@...il.com>
Cc:	linux-kernel@...r.kernel.org,
	Russell King <linux@....linux.org.uk>,
	linux-omap@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] arch:arm:plat-omap:iovmm: remove unused variable 'va'

* Maxin B John <maxin.john@...il.com> [110810 04:06]:
> ping.

Sorry I've been on vacation, applying to fixes.

Regards,

Tony

 
> On Mon, Aug 8, 2011 at 1:15 PM, Maxin B. John <maxin.john@...il.com> wrote:
> > The pointer "va" returned from "phys_to_virt(pa)" is never used in
> > "sgtable_fill_kmalloc()".So,it is safe to remove this set-but-unused variable.
> >
> > Signed-off-by: Maxin B. John <maxin.john@...il.com>
> > ---
> > diff --git a/arch/arm/plat-omap/iovmm.c b/arch/arm/plat-omap/iovmm.c
> > index c60737c..79e7fed 100644
> > --- a/arch/arm/plat-omap/iovmm.c
> > +++ b/arch/arm/plat-omap/iovmm.c
> > @@ -423,9 +423,6 @@ static void sgtable_fill_kmalloc(struct sg_table *sgt, u32 pa, u32 da,
> >  {
> >        unsigned int i;
> >        struct scatterlist *sg;
> > -       void *va;
> > -
> > -       va = phys_to_virt(pa);
> >
> >        for_each_sg(sgt->sgl, sg, sgt->nents, i) {
> >                unsigned bytes;
> >
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