linux-kernel - Re: [PATCH 2/2] NET: wireless, fix memory leak

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Date:	Wed, 06 Jan 2010 20:14:21 +0100
From:	Jiri Slaby <jirislaby@...il.com>
To:	Gertjan van Wingerde <gwingerde@...il.com>
CC:	linville@...driver.com, linux-wireless@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] NET: wireless, fix memory leak

On 01/06/2010 08:07 PM, Gertjan van Wingerde wrote:
> On 01/06/10 17:35, Jiri Slaby wrote:
>> @@ -717,6 +717,9 @@ int cfg80211_wext_siwscan(struct net_device *dev,
>>   out:
>>  	cfg80211_unlock_rdev(rdev);
>>  	return err;
>> +out_free:
>> +	kfree(creq);
>> +	goto out;
>>  }
>>  EXPORT_SYMBOL_GPL(cfg80211_wext_siwscan);
>>  
> 
> This last part looks a bit strange. Why don't you put out_free label before out label,

Because `out' is a part of non-error flow, where the creq should not be
freed.

thanks,
-- 
js
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