linux-kernel - Re: [PATCH] netfilter: provide udp*_lib_lookup for nf

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Message-ID: <CAPFYX+KmWcO390JP_UbkyuBZWvcxZ9ym=w=T=mA+anazGPOw-A@mail.gmail.com>
Date:   Tue, 5 Jun 2018 16:42:27 +0200
From:   Eckl, Máté <ecklm94@...il.com>
To:     arnd@...db.de
Cc:     pablo@...filter.org, davem@...emloft.net, kuznet@....inr.ac.ru,
        yoshfuji@...ux-ipv6.org, pabeni@...hat.com, willemb@...gle.com,
        edumazet@...gle.com, dsahern@...il.com, kafai@...com,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] netfilter: provide udp*_lib_lookup for nf_tproxy

Arnd Bergmann <arnd@...db.de> ezt írta (időpont: 2018. jún. 5., K, 13:41):
>
> It is now possible to enable the libified nf_tproxy modules without
> also enabling NETFILTER_XT_TARGET_TPROXY, which throws off the
> ifdef logic in the udp core code:
>
> net/ipv6/netfilter/nf_tproxy_ipv6.o: In function `nf_tproxy_get_sock_v6':
> nf_tproxy_ipv6.c:(.text+0x1a8): undefined reference to `udp6_lib_lookup'
> net/ipv4/netfilter/nf_tproxy_ipv4.o: In function `nf_tproxy_get_sock_v4':
> nf_tproxy_ipv4.c:(.text+0x3d0): undefined reference to `udp4_lib_lookup'
>
> We can actually simplify the conditions now to provide the two functions
> exactly when they are needed.
>
> Fixes: 45ca4e0cf273 ("netfilter: Libify xt_TPROXY")
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
Acked-by: Máté Eckl <ecklm94@...il.com>