From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: That's pretty much it for 3.5.0
Date: Tue, 17 Jul 2012 15:18:32 -0700 (PDT)
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From: John Fastabend <john.r.fastabend@intel.com>
Date: Tue, 17 Jul 2012 15:13:36 -0700

> Perhaps the easiest way is to check net->count this should be zero
> until setup_net is called.
> 
> if (!atomic_read(&init_net.count))
> 	return ret;
> 

Won't work, setup_net() runs via a pure_initcall().