netfilter: ipt_CLUSTERIP: only add arp mangle hook when required

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Do not register the arp mangling hooks from pernet init path.

As-is, load of the module is enough for these hooks to become active
in each net namespace.

Use checkentry instead so hook is only added if a CLUSTERIP rule is used.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

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Florian Westphal 2021-07-22 10:48:32 +02:00 • committed by Pablo Neira Ayuso

parent 92fb15513e

commit 7c1829b6aa

1 changed files with 34 additions and 17 deletions

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net/ipv4/netfilter/ipt_CLUSTERIP.c

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