linux-kernel - Re: [RESEND PATCH] pinctrl: at91: fix null pointer dereference

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Message-ID: <20150730091618.GA24115@gradator.net>
Date:	Thu, 30 Jul 2015 11:16:19 +0200
From:	Sylvain Rochet <sylvain.rochet@...secur.com>
To:	Ludovic Desroches <ludovic.desroches@...el.com>,
	Linus Walleij <linus.walleij@...aro.org>
Cc:	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>,
	davidcdueck@...glemail.com,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Nicolas Ferre <nicolas.ferre@...el.com>,
	Boris Brezillon <boris.brezillon@...e-electrons.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [RESEND PATCH] pinctrl: at91: fix null pointer dereference

Hello,

On Thu, Jul 30, 2015 at 10:49:27AM +0200, Ludovic Desroches wrote:
> On Thu, Jul 30, 2015 at 10:33:43AM +0200, Sylvain Rochet wrote:
> > Hello Ludovic,
> > 
> > On Tue, Jul 28, 2015 at 03:12:53PM +0200, Ludovic Desroches wrote:
> > > On Tue, Jul 28, 2015 at 02:48:09PM +0200, Linus Walleij wrote:
> > > > On Tue, Jul 28, 2015 at 9:48 AM, Ludovic Desroches
> 
> [...]
> 
> > > > Is this a regression to v4.2 that should go to stable or v4.3 material?
> > > 
> > > Yes it is a regression from v4.0, it applies well on v4.0.9
> > > 
> > > Fixes: a0b957f306fa ("pinctrl: at91: allow to have disabled gpio bank")
> > > Cc: stable@...r.kernel.org # 4.0
> > 
> > a0b957f306fa have a stable tag up to 3.18, should this patch inherit a 
> > stable tag up to 3.18 instead of only up to 4.0 ?
> 
> Well spotted, I didn't notice it has hit 3.18 through stable, so yes
> stable tag should be 3.18 and later.

Fixes: a0b957f306fa ("pinctrl: at91: allow to have disabled gpio bank")
Cc: stable@...r.kernel.org # 3.18

Sylvain
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