From mboxrd@z Thu Jan  1 00:00:00 1970
From: Alexey Dobriyan <adobriyan@gmail.com>
Subject: Re: [PATCH for 2.6.33] conntrack: restrict runtime hashsize
	modifications
Date: Fri, 5 Feb 2010 13:19:28 +0200
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To: Patrick McHardy <kaber@trash.net>
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On Fri, Feb 5, 2010 at 1:16 PM, Patrick McHardy <kaber@trash.net> wrote:
> OK testing looks fine, although I'm quite surprised that its actually
> possible to change module parameters from within non-init namespaces.
> How is this supposed to work at all? I don't see how sysfs could
> possibly provide a network namespace context ...


You can do in write hook

    if (!net_eq(current->nsproxy->net_ns, &init_net))
            return -EINVAL;