netdev - Re: [stable] [PATCH 2.6.36 stable] vlan: Avoid hwaccel vlan packets when vid not used.

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Date:	Tue, 7 Dec 2010 11:50:19 -0800
From:	Greg KH <greg@...ah.com>
To:	Jesse Gross <jesse@...ira.com>
Cc:	stable@...nel.org, netdev@...r.kernel.org,
	David Miller <davem@...emloft.net>
Subject: Re: [stable] [PATCH 2.6.36 stable] vlan: Avoid hwaccel vlan
 packets when vid not used.

On Mon, Nov 08, 2010 at 01:23:01PM -0800, Jesse Gross wrote:
> Normally hardware accelerated vlan packets are quickly dropped if
> there is no corresponding vlan device configured.  The one exception
> is promiscuous mode, where we allow all of these packets through so
> they can be picked up by tcpdump.  However, this behavior causes a
> crash if we actually try to receive these packets.  This fixes that
> crash by ignoring packets with vids not corresponding to a configured
> device in the vlan hwaccel routines and then dropping them before they
> get to consumers in the network stack.
> 
> This patch applies only to 2.6.36 stable.  The problem was introduced
> in that release and is already fixed by larger changes to the vlan
> code in 2.6.37.

Applied, thanks.

greg k-h
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