linux-kernel - Re: [PATCH] rtc: mxc: fix memory leak

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Date:	Sat, 9 Jan 2010 19:53:47 +0100
From:	Daniel Mack <daniel@...aq.de>
To:	Alexander Beregalov <a.beregalov@...il.com>
Cc:	akpm@...ux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] rtc: mxc: fix memory leak

On Sat, Jan 09, 2010 at 07:43:07PM +0300, Alexander Beregalov wrote:
> Free pdata before exit.
> Found by cppcheck.
> 
> Signed-off-by: Alexander Beregalov <a.beregalov@...il.com>

Acked-by: Daniel Mack <daniel@...aq.de>


> ---
>  drivers/rtc/rtc-mxc.c |    6 ++++--
>  1 files changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/rtc/rtc-mxc.c b/drivers/rtc/rtc-mxc.c
> index 6bd5072..2642e6b 100644
> --- a/drivers/rtc/rtc-mxc.c
> +++ b/drivers/rtc/rtc-mxc.c
> @@ -396,8 +396,10 @@ static int __init mxc_rtc_probe(struct platform_device *pdev)
>  	pdata->ioaddr = ioremap(res->start, resource_size(res));
>  
>  	clk = clk_get(&pdev->dev, "ckil");
> -	if (IS_ERR(clk))
> -		return PTR_ERR(clk);
> +	if (IS_ERR(clk)) {
> +		ret = PTR_ERR(clk);
> +		goto exit_free_pdata;
> +	}
>  
>  	rate = clk_get_rate(clk);
>  	clk_put(clk);
> -- 
> 1.6.6
> 
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