linux-kernel - Re: [PATCH] iommu: omap-iommu.c: remove unnecessary null pointer check

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Message-ID: <CAK=WgbbW+Kje8fMNmSAy+qM6sLcoqZcLcev8w115BfGrQzHk2A@mail.gmail.com>
Date:	Fri, 18 Jan 2013 22:55:15 +0200
From:	Ohad Ben-Cohen <ohad@...ery.com>
To:	Cong Ding <dinggnu@...il.com>
Cc:	Joerg Roedel <joro@...tes.org>, Tony Lindgren <tony@...mide.com>,
	Omar Ramirez Luna <omar.luna@...aro.org>,
	Mauro Carvalho Chehab <mchehab@...hat.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] iommu: omap-iommu.c: remove unnecessary null pointer check

On Fri, Jan 18, 2013 at 10:42 PM, Cong Ding <dinggnu@...il.com> wrote:
> The pointer obj is dereferenced in line 146 and 149 respectively, so it is not
> necessary to check null again in line 149 and 175. And I have checked that all
> the callers of these two functions guarantee the parameter obj passed is not
> null.
>
> Signed-off-by: Cong Ding <dinggnu@...il.com>

Acked-by: Ohad Ben-Cohen <ohad@...ery.com>
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