From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH][net-next] ipv6: fix dereference of rt6_ex before null
 check error
Date: Tue, 10 Oct 2017 10:54:47 -0700 (PDT)
Message-ID: <20171010.105447.757260394877902006.davem@davemloft.net>
References: <20171010170116.21124-1-colin.king@canonical.com>
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Cc: kuznet@ms2.inr.ac.ru, yoshfuji@linux-ipv6.org,
        netdev@vger.kernel.org, kernel-janitors@vger.kernel.org,
        linux-kernel@vger.kernel.org
To: colin.king@canonical.com
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From: Colin King <colin.king@canonical.com>
Date: Tue, 10 Oct 2017 18:01:16 +0100

> From: Colin Ian King <colin.king@canonical.com>
> 
> Currently rt6_ex is being dereferenced before it is null checked
> hence there is a possible null dereference bug. Fix this by only
> dereferencing rt6_ex after it has been null checked.
> 
> Detected by CoverityScan, CID#1457749 ("Dereference before null check")
> 
> Fixes: 81eb8447daae ("ipv6: take care of rt6_stats")
> Signed-off-by: Colin Ian King <colin.king@canonical.com>

Applied, thanks Colin.