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

David Miller
2009-03-05T05:21:36Z

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

> 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 :)