netdev - Re: [PATCH net] bridge: vlan: fix usage of vlan 0 and 4095 again

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Message-Id: <20150702.121943.1748089320778953562.davem@davemloft.net>
Date:	Thu, 02 Jul 2015 12:19:43 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	nikolay@...ulusnetworks.com
Cc:	netdev@...r.kernel.org, vyasevich@...il.com,
	bridge@...ts.linux-foundation.org, toshiaki.makita1@...il.com,
	stephen@...workplumber.org, roopa@...ulusnetworks.com
Subject: Re: [PATCH net] bridge: vlan: fix usage of vlan 0 and 4095 again

From: Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
Date: Thu,  2 Jul 2015 05:48:17 -0700

> Vlan ids 0 and 4095 were disallowed by commit:
> 8adff41c3d25 ("bridge: Don't use VID 0 and 4095 in vlan filtering")
> but then the check was removed when vlan ranges were introduced by:
> bdced7ef7838 ("bridge: support for multiple vlans and vlan ranges in setlink and dellink requests")
> So reintroduce the vlan range check.
> Before patch:
> [root@...tvm ~]# bridge vlan add vid 0 dev eth0 master
> (succeeds)
> After Patch:
> [root@...tvm ~]# bridge vlan add vid 0 dev eth0 master
> RTNETLINK answers: Invalid argument
> 
> Signed-off-by: Nikolay Aleksandrov <nikolay@...ulusnetworks.com>
> Fixes: bdced7ef7838 ("bridge: support for multiple vlans and vlan ranges in setlink and dellink requests")

Applied.
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