linux-kernel - Re: [RFT PATCH] gpio: etraxfs: Fix devm_ioremap

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Message-ID: <CAAVeFuL-Rs8vUwcMNefZkx34Gn=6T1At1jf1EzXKrtdV=6ShRQ@mail.gmail.com>
Date:	Mon, 13 Jul 2015 23:36:48 +0900
From:	Alexandre Courbot <gnurou@...il.com>
To:	Krzysztof Kozlowski <k.kozlowski.k@...il.com>
Cc:	Linus Walleij <linus.walleij@...aro.org>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Stable <stable@...r.kernel.org>
Subject: Re: [RFT PATCH] gpio: etraxfs: Fix devm_ioremap_resource return value check

On Thu, Jul 9, 2015 at 10:19 PM, Krzysztof Kozlowski
<k.kozlowski.k@...il.com> wrote:
> Value returned by devm_ioremap_resource() was checked for non-NULL but
> devm_ioremap_resource() returns IOMEM_ERR_PTR, not NULL. In case of
> error this could lead to dereference of ERR_PTR.

Look obvious enough to be merged without testing.

Acked-by: Alexandre Courbot <acourbot@...dia.com>
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