linux-kernel - Re: Possible memory leak in net/wireless/scan.c

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Date:	Tue, 07 Jul 2009 19:12:48 +0200
From:	Johannes Berg <johannes@...solutions.net>
To:	Catalin Marinas <catalin.marinas@....com>
Cc:	linux-wireless@...r.kernel.org,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: Possible memory leak in net/wireless/scan.c

On Tue, 2009-07-07 at 18:04 +0100, Catalin Marinas wrote:

> diff --git a/net/wireless/scan.c b/net/wireless/scan.c
> index e95b638..f8e71b3 100644
> --- a/net/wireless/scan.c
> +++ b/net/wireless/scan.c
> @@ -366,7 +366,6 @@ cfg80211_bss_update(struct cfg80211_registered_device *dev,
>  	found = rb_find_bss(dev, res);
>  
>  	if (found) {
> -		kref_get(&found->ref);
>  		found->pub.beacon_interval = res->pub.beacon_interval;
>  		found->pub.tsf = res->pub.tsf;
>  		found->pub.signal = res->pub.signal;
> 
> I'll try this later today to see if it fixes the leak. If that's not
> correct, I'll post more information about the content of the reported
> object (in general, it shouldn't be on any valid list or rb tree since
> kmemleak can't find it).

I have already sent that exact patch.

johannes

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