Re: [PATCH for 2.6.33] conntrack: restrict runtime hashsize modifications

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Alexey Dobriyan wrote:
> On Fri, Feb 5, 2010 at 1:16 PM, Patrick McHardy <kaber@xxxxxxxxx> 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;

Right, I see. So we could actually make resizing work for all
namespaces quite easily. Is there any reason not to do this?
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