linux-kernel - Re: [PATCH] mfd: tps6507x - fix off-by-one value range checking

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Message-ID: <20101019101922.GI2736@sortiz-mobl>
Date:	Tue, 19 Oct 2010 12:19:23 +0200
From:	Samuel Ortiz <sameo@...ux.intel.com>
To:	Axel Lin <axel.lin@...il.com>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	Todd Fischer <todd.fischer@...gerun.com>
Subject: Re: [PATCH] mfd: tps6507x - fix off-by-one value range checking

Hi Axel,

On Wed, Oct 13, 2010 at 10:44:39AM +0800, Axel Lin wrote:
> We use msg[0] for device register.
> If bytes == (TPS6507X_MAX_REGISTER + 1),
> we got a buffer overflow when doing memcpy(&msg[1], src, bytes);
> Thus we must ensure bytes not greater than TPS6507X_MAX_REGISTER.
Thanks, patch applied to my for-next tree.

Cheers,
Samuel.

-- 
Intel Open Source Technology Centre
http://oss.intel.com/
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