Jan Engelhardt wrote:
> On Wednesday 2009-09-02 17:36, Patrick McHardy wrote:
>>> Nice, I'll use par->family.
>>>
>>> So in theory I do not even need a check like the following in the beginning?
>>>
>>> if (family != NFPROTO_IPV4
>>> #ifdef CONFIG_IP_VS_IPV6
>>> && family != NFPROTO_IPV6
>>> #endif
>>> ) {
>>> match = false;
>>> goto out;
>>> }
>> With the AF_UNSPEC registration of your match, it might be used
>
> par->family always contains the NFPROTO of the invoking implementation,
> which can never be UNSPEC (except, in future, xtables2 ;-)
I didn't say it will be UNSPEC, I said it might be something
different than IPV4/IPV6 unless that is checked *somewhere*.
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