linux-kernel - Re: [PATCH 6/6] regmap: cache: Fix possible ZERO_SIZE

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Date:	Mon, 13 Oct 2014 12:54:50 +0200
From:	Mark Brown <broonie@...nel.org>
To:	Xiubo Li <Li.Xiubo@...escale.com>
Cc:	linux-kernel@...r.kernel.org, dp@...nsource.wolfsonmicro.com
Subject: Re: [PATCH 6/6] regmap: cache: Fix possible ZERO_SIZE_PTR pointer
 dereferencing error.

On Thu, Oct 09, 2014 at 05:02:57PM +0800, Xiubo Li wrote:
> When all the registers are volatile(unlikely, but logically and mostly
> will happen for some 'device' who has very few registers), then the
> count will be euqal to 0, then kmalloc() will return ZERO_SIZE_PTR,
> which equals to ((void *)16).

Applied, thanks.  I'm assuming there's nothing affected by this in
Linus' tree which needs this as a fix immediately?

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