linux-kernel - Re: [PATCH] regulator: add check index of wm8350->pmic.pdev[]

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Message-Id: <1245143735.21421.94.camel@vega.slimlogic.co.uk>
Date:	Tue, 16 Jun 2009 10:15:35 +0100
From:	Liam Girdwood <lrg@...mlogic.co.uk>
To:	Roel Kluin <roel.kluin@...il.com>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] regulator: add check index of wm8350->pmic.pdev[]

On Mon, 2009-06-15 at 22:30 +0200, Roel Kluin wrote:
> Ensure that reg is within the bounds of array wm8350->pmic.pdev[].
> 
> Signed-off-by: Roel Kluin <roel.kluin@...il.com>
> ---
> diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c
> index 771eca1..c806259 100644
> --- a/drivers/regulator/wm8350-regulator.c
> +++ b/drivers/regulator/wm8350-regulator.c
> @@ -1419,6 +1419,8 @@ int wm8350_register_regulator(struct wm8350 *wm8350, int reg,
>  {
>  	struct platform_device *pdev;
>  	int ret;
> +	if (reg < 0 || reg >= NUM_WM8350_REGULATORS)
> +		return -EINVAL;
>  
>  	if (wm8350->pmic.pdev[reg])
>  		return -EBUSY;

Applied.

Thanks.

Liam

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