linux-kernel - Re: [PATCH 3/3] PM / devfreq: fix mem leak in devfreq_add

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Date:   Mon, 21 Jan 2019 10:42:00 +0900
From:   Chanwoo Choi <cw00.choi@...sung.com>
To:     Yangtao Li <tiny.windzz@...il.com>, myungjoo.ham@...sung.com,
        kyungmin.park@...sung.com, linux-pm@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] PM / devfreq: fix mem leak in devfreq_add_device()

Hi,

On 19. 1. 20. 오전 1:04, Yangtao Li wrote:
> 'devfreq' is malloced in devfreq_add_device() and should be freed in
> the error handling cases, otherwise it will cause memory leak.
> 
> Signed-off-by: Yangtao Li <tiny.windzz@...il.com>
> ---
>  drivers/devfreq/devfreq.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
> index 923889229a0b..fe6c157cb7e0 100644
> --- a/drivers/devfreq/devfreq.c
> +++ b/drivers/devfreq/devfreq.c
> @@ -651,7 +651,7 @@ struct devfreq *devfreq_add_device(struct device *dev,
>  		mutex_unlock(&devfreq->lock);
>  		err = set_freq_table(devfreq);
>  		if (err < 0)
> -			goto err_out;
> +			goto err_dev;
>  		mutex_lock(&devfreq->lock);
>  	}
>  
> 

Reviewed-by: Chanwoo Choi <cw00.choi@...sung.com>

-- 
Best Regards,
Chanwoo Choi
Samsung Electronics