linux-kernel - Re: [BUG] 2.6.29-rc* QinQ vlan trunking regression

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Date:	Thu, 05 Mar 2009 06:51:25 +0100
From:	Patrick McHardy <kaber@...sh.net>
To:	David Miller <davem@...emloft.net>
CC:	bart@...ie.net, greearb@...delatech.com, shemminger@...tta.com,
	dada1@...mosbay.com, frank.blaschka@...ibm.com,
	netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [BUG] 2.6.29-rc* QinQ vlan trunking regression

David Miller wrote:
> From: Patrick McHardy <kaber@...sh.net>
> Date: Wed, 04 Mar 2009 12:45:33 +0100
> 
>> This is a bit tricky to fix since we actually need some valid
>> ops before invoking ->init(). One way would be to move the compat
>> ops initialization to a seperate function and have VLAN use it to
>> switch its ops.
> 
> Mind if I push this into net-2.6?
> 
> vlan: Fix vlan-in-vlan crashes.
> 
> As analyzed by Patrick McHardy, vlan needs to reset it's
> netdev_ops pointer in it's ->init() function but this
> leaves the compat method pointers stale.
> 
> Add a netdev_resync_ops() and call it from the vlan code.

This looks fine, thanks. Even if it doesn't fix this particular
report, I think its appropriate for net-2.6.
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