linux-kernel - Re: [PATCH] ipv4: ip_check_defrag should correctly check return value of skb_copy

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Message-Id: <20150220.152317.2246116638858595617.davem@davemloft.net>
Date:	Fri, 20 Feb 2015 15:23:17 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	al.drozdov@...il.com
Cc:	kuznet@....inr.ac.ru, jmorris@...ei.org, yoshfuji@...ux-ipv6.org,
	kaber@...sh.net, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ipv4: ip_check_defrag should correctly check return
 value of skb_copy_bits

From: Alexander Drozdov <al.drozdov@...il.com>
Date: Tue, 17 Feb 2015 13:33:46 +0300

> skb_copy_bits() returns zero on success and negative value on error,
> so it is needed to invert the condition in ip_check_defrag().
> 
> Fixes: 1bf3751ec90c ("ipv4: ip_check_defrag must not modify skb before unsharing")
> Signed-off-by: Alexander Drozdov <al.drozdov@...il.com>

Applied and queued up for -stable, thanks.
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