From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: =?UTF-8?Q?=E7=AD=94=E5=A4=8D=3A?=
 =?UTF-8?Q?_=E7=AD=94=E5=A4=8D=3A?= [PATCH] set fake_rtable's dst to NULL to
 avoid kernel Oops.
Date: Thu, 29 Mar 2012 13:31:22 +0200
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Cc: linux-kernel@vger.kernel.org, harry.majun@huawei.com,
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To: "Peter Huang (Peng)" <peter.huangpeng@huawei.com>
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On Thu, 2012-03-29 at 17:38 +0800, Peter Huang (Peng) wrote:
> Thks for your mail.
> 
> >Check net/bridge/br_netfilter.c and commits e688a6048076 (net: introduce
> >DST_NOPEER dst flag )  4adf0af6818f3ea5 (bridge: send correct MTU value
> >in PMTU (revised))
> 
> This patch already included in kernel-3.3, but for our case, virtual tap device's delayed
> Deletion will also cause kernel oops even in kernel3.3.

I was suggesting you take a look at the commit content ;)

Then you can see the code in br_nf_local_in(), a bit cleaner than yours.