netdev - Re: [PATCH] vlan: allow creating vlan when real device is not up

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <4A72E08B.4070709@trash.net>
Date:	Fri, 31 Jul 2009 14:16:11 +0200
From:	Patrick McHardy <kaber@...sh.net>
To:	David Miller <davem@...emloft.net>
CC:	shemminger@...tta.com, netdev@...r.kernel.org
Subject: Re: [PATCH] vlan: allow creating vlan when real device is not up

David Miller wrote:
> From: Stephen Hemminger <shemminger@...tta.com>
> Date: Thu, 30 Jul 2009 11:23:21 -0700
> 
>> There is no reason for the arbitrary restriction that device must be
>> up to create a vlan. This patch was added to Vyatta kernel to resolve startup
>> ordering issues where vlan's are created but real device was disabled.
>>
>> Note: the vlan already correctly inherits the operstate from real device; so
>> if vlan is created and real device is marked down, the vlan is marked
>> down.
>>
>> Signed-off-by: Stephen Hemminger <shemminger@...tta.com>
> 
> Looks fine, added to net-next-2.6
> 
> We can revert if Patrick or someone else finds a potential problem
> with allowing this.

It seems perfectly fine to me, we can get to the same state by
setting the lower device down after creating the VLAN device.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html