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Date:	Mon, 14 Apr 2014 18:51:52 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	nasa4836@...il.com, jchapman@...alix.com, edumazet@...gle.com,
	joe@...ches.com, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org
Subject: Re: [BUG] A panic caused by null pointer dereference aftering
 updating to

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Mon, 14 Apr 2014 14:23:24 -0700

> I was trying to cook a not too invasive patch.
> 
> Changing ip_local_out() means changing dst_output() / nf_hook()  and
> hundred of call sites.
> 
> Unless I misunderstood you ?

You could make ip_local_out(skb) be __ip_local_out(skb, skb->sk) and
make tunnel output use __ip_local_out().
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