netdev - Re: [PATCH v1] ip6_pol_route panic: Do not allow VLAN on loopback

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Date:	Sun, 17 Apr 2011 23:27:45 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	krkumar2@...ibm.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH v1] ip6_pol_route panic: Do not allow VLAN on loopback

From: Krishna Kumar <krkumar2@...ibm.com>
Date: Thu, 14 Apr 2011 21:37:04 +0530

> I have tested two ways of fixing this panic:
> 	1. PATCH1: Do not allow vlan on lo.
> 	2. PATCH2: Do not propagate LOOPBACK to vlan devices.
> 
> Isn't it better to use PATCH1 and disallow vlan on lo?
> 
> The result of this patch is:
> 
> # modprobe 8021q
> # vconfig add lo 43
> ERROR: trying to add VLAN #43 to IF -:lo:-  error: Operation not supported
> 
> Signed-off-by: Krishna Kumar <krkumar2@...ibm.com>

I applied this patch #1, and added some commentary to the commit message
to explain the ipv6 crash issue this fixes.

Thanks.
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