From: Bart Trojanowski <bart@jukie.net>
Date: Wed, 4 Mar 2009 23:54:42 -0500

quoted text
> David,
> 
> * David Miller <davem@davemloft.net> [090304 22:53]:
> > 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.
> <snip>
> >  include/linux/netdevice.h |    1 +
> >  net/8021q/vlan_dev.c      |    1 +
> >  net/core/dev.c            |   54 +++++++++++++++++++++++++++-----------------
> >  3 files changed, 35 insertions(+), 21 deletions(-)
> 
> I tried this patch onto v2.6.29-rc7-3-g559595a, but I still get a crash.
> I assume that this worked for you, so I am not putting much faith in my
> results at this late hour.  I'll confirm tomorrow morning that it's not
> something else.

I didn't test, so you the bug must be a different problem or
my patch is wrong :)

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