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

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Message-ID: <20140501033412.GR3245@sirena.org.uk>
Date:	Wed, 30 Apr 2014 20:34:12 -0700
From:	Mark Brown <broonie@...nel.org>
To:	Xiubo Li <Li.Xiubo@...escale.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] regmap: Fix possible ZERO_SIZE_PTR pointer dereferencing
 error.

On Wed, Apr 30, 2014 at 05:31:08PM +0800, Xiubo Li wrote:
> Since we cannot make sure the 'len = pair_size * num_regs' will always
> be none zero from the users, and then if 'num_regs' equals to zero by
> mistake or other reasons, the kzalloc() will return ZERO_SIZE_PTR, which
> equals to ((void *)16).

Applied, thanks.

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