linux-kernel - Re: [PATCH] ARM i.MX: fix error-valued pointer dereference in clk_register

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Message-ID: <20121025154745.GG27665@pengutronix.de>
Date:	Thu, 25 Oct 2012 17:47:45 +0200
From:	Sascha Hauer <s.hauer@...gutronix.de>
To:	Wei Yongjun <weiyj.lk@...il.com>
Cc:	kernel@...gutronix.de, linux@....linux.org.uk,
	yongjun_wei@...ndmicro.com.cn,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ARM i.MX: fix error-valued pointer dereference in
 clk_register_gate2()

On Thu, Oct 25, 2012 at 11:02:18PM +0800, Wei Yongjun wrote:
> From: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>
> 
> The error-valued pointer clk is used for the arg of kfree, it should be
> kfree(gate) if clk_register() return ERR_PTR().
> 
> dpatch engine is used to auto generate this patch.
> (https://github.com/weiyj/dpatch)
> 
> Signed-off-by: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>

Applied, thanks

Sascha

> ---
>  arch/arm/mach-imx/clk-gate2.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/mach-imx/clk-gate2.c b/arch/arm/mach-imx/clk-gate2.c
> index 3c1b8ff..cc49c7a 100644
> --- a/arch/arm/mach-imx/clk-gate2.c
> +++ b/arch/arm/mach-imx/clk-gate2.c
> @@ -112,7 +112,7 @@ struct clk *clk_register_gate2(struct device *dev, const char *name,
>  
>  	clk = clk_register(dev, &gate->hw);
>  	if (IS_ERR(clk))
> -		kfree(clk);
> +		kfree(gate);
>  
>  	return clk;
>  }
> 
> 
> 

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