netdev - Re: [PATCH][ICMP]: Dst entry leak in icmp

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Date:	Wed, 26 Mar 2008 02:27:33 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	xemul@...nvz.org
Cc:	herbert@...dor.apana.org.au, den@...nvz.org,
	netdev@...r.kernel.org, devel@...nvz.org
Subject: Re: [PATCH][ICMP]: Dst entry leak in icmp_send host re-lookup code
 (v2).

From: Pavel Emelyanov <xemul@...nvz.org>
Date: Wed, 26 Mar 2008 12:25:40 +0300

> Commit 8b7817f3a959ed99d7443afc12f78a7e1fcc2063 ([IPSEC]: Add ICMP host
> relookup support) introduced some dst leaks on error paths: the rt
> pointer can be forgotten to be put. Fix it bu going to a proper label.
> 
> Found after net namespace's lo refused to unregister :) Many thanks to 
> Den for valuable help during debugging.
> 
> Herbert pointed out, that xfrm_lookup() will put the rtable in case
> of error itself, so the first goto fix is redundant.
> 
> Signed-off-by: Pavel Emelyanov <xemul@...nvz.org>
> Signed-off-by: Denis V. Lunev <den@...nvz.org>

Looks good, applied, thanks!
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