Re: [PATCH] iptables: "cluster" match uses IPv6-specific code without ifdef

[Harald Welte <laforge@netfilter.org>]

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On Fri, Mar 27, 2009 at 01:50:16PM +0100, Patrick McHardy wrote:
> Pablo Neira Ayuso wrote:
>> Patrick McHardy wrote:
>>> Pablo Neira Ayuso wrote:
>>>> Steven Noonan wrote:
>>>>> The symbol __ipv6_addr_type is only available with CONFIG_IPV6 or
>>>>> CONFIG_IPV6_MODULE.
>>>> Please, CC netfilter-devel for netfilter-related issues. Patrick, I'm
>>>> fine with this, can you apply this patch?
>>> Is my reading correct that this won't introduce a module
>>> dependency on IPv6?
>>
>> Hm, this fixes a compilation issue when IPv6 is not enabled. In that
>> case you can still use the cluster match, so I don't see any extra
>> modules dependencies.
>
> That was badly phrased, sorry. The patch of course doesn't change
> anything in that regard.
>
> I'm wondering whether we have a (runtime) dependency on the ipv6
> module due to the ipv6_addr_type() call. If that's the case, it
> would need to be fixed as well.

we don't, see my other mail (linux-next) tree.  It's provided by a function
that is always statically linked into vmlinux.

-- 
- Harald Welte <laforge@netfilter.org>                 http://netfilter.org/
============================================================================
  "Fragmentation is like classful addressing -- an interesting early
   architectural error that shows how much experimentation was going
   on while IP was being designed."                    -- Paul Vixie

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