Re: [2.6 patch] NF_CONNTRACK_H323 must depend on (IPV6 || IPV6=n)

[Patrick McHardy]

Adrian Bunk wrote:
> On Sun, Jan 28, 2007 at 04:04:42PM -0800, David Miller wrote:
> 
>>From: Adrian Bunk <bunk@xxxxxxxxx>
>>Date: Mon, 29 Jan 2007 01:00:11 +0100
>>
>>>"depends on IPV6" would fix the bug - but it would also make 
>>>NF_CONNTRACK_H323 unavailable for all people without IPV6 support in 
>>>their kernel.
>>
>>Yes, that is an issue.
>>
>>I guess with some slightly ugly ifdefs we could support the
>>whole matrix of possibilities.  But perhaps that's undesirable
>>for another reason.
>>...
> 
> 
> This depends on what NF_CONNTRACK_H323=y, IPV6=m is supposed to be:
> - not allowed (NF_CONNTRACK_H323 must be modular) or
> - NF_CONNTRACK_H323 can only be used for IPV4
> 
> My patch implements the first case.


Unfortunately a few ifdefs aren't enough to support IPV6=m,
NF_CONNTRACK_H323=y. For now I think Adrian's patch is the
best solution (IPV6=m isn't that useful anyway since it will
normally get loaded automatically when the first program
attempts to open an AF_INET6 socket and can't be unloaded),
but I'll look into moving the route lookup to the netfilter
AF ops in 2.6.21 so we can also support that configuration.


Acked-by: Patrick McHardy <kaber@xxxxxxxxx>
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