From: Arnd Bergmann Date: Tue, 5 Jun 2018 11:40:34 +0000 (+0200) Subject: netfilter: provide udp*_lib_lookup for nf_tproxy X-Git-Tag: v4.19~872^2~15 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=6e86000c2c63123e174b7e198735fbb12f0258ea;p=platform%2Fkernel%2Flinux-rpi3.git netfilter: provide udp*_lib_lookup for nf_tproxy 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 Acked-by: Paolo Abeni Acked-by: Máté Eckl Signed-off-by: David S. Miller --- diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c index d71f1f3..05af6f8 100644 --- a/net/ipv4/udp.c +++ b/net/ipv4/udp.c @@ -544,9 +544,7 @@ EXPORT_SYMBOL_GPL(udp4_lib_lookup_skb); /* Must be called under rcu_read_lock(). * Does increment socket refcount. */ -#if IS_ENABLED(CONFIG_NETFILTER_XT_MATCH_SOCKET) || \ - IS_ENABLED(CONFIG_NETFILTER_XT_TARGET_TPROXY) || \ - IS_ENABLED(CONFIG_NF_SOCKET_IPV4) +#if IS_ENABLED(CONFIG_NF_TPROXY_IPV4) || IS_ENABLED(CONFIG_NF_SOCKET_IPV4) struct sock *udp4_lib_lookup(struct net *net, __be32 saddr, __be16 sport, __be32 daddr, __be16 dport, int dif) { diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 426c9d2..e97372d 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -285,9 +285,7 @@ EXPORT_SYMBOL_GPL(udp6_lib_lookup_skb); /* Must be called under rcu_read_lock(). * Does increment socket refcount. */ -#if IS_ENABLED(CONFIG_NETFILTER_XT_MATCH_SOCKET) || \ - IS_ENABLED(CONFIG_NETFILTER_XT_TARGET_TPROXY) || \ - IS_ENABLED(CONFIG_NF_SOCKET_IPV6) +#if IS_ENABLED(CONFIG_NF_TPROXY_IPV6) || IS_ENABLED(CONFIG_NF_SOCKET_IPV6) struct sock *udp6_lib_lookup(struct net *net, const struct in6_addr *saddr, __be16 sport, const struct in6_addr *daddr, __be16 dport, int dif) {