From: David S. Miller <davem@davemloft.net>
Date: Thu, 5 Mar 2009 07:46:25 +0000 (-0800)
Subject: vlan: Fix vlan-in-vlan crashes.
X-Git-Tag: v2.6.29-rc8~51^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9d40bbda599def1e1d155d7f7dca14fe8744bd2b;p=pandora-kernel.git

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.

Any other driver which changes ->netdev_ops after register_netdevice()
will need to call this new function after doing so too.

With help from Patrick McHardy.

Tested-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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