netfilter: use IS_ENABLED() macro

[deliverable/linux.git] / net / ipv4 / netfilter / nf_nat_l3proto_ipv4.c

diff --git a/net/ipv4/netfilter/nf_nat_l3proto_ipv4.c b/net/ipv4/netfilter/nf_nat_l3proto_ipv4.c
index d8b2e14efddc0d6a0c4ab8bc968ba84b29590fa7..14f5ccd063378a0b62162710aeba4a0dc229541c 100644 (file)
--- a/net/ipv4/netfilter/nf_nat_l3proto_ipv4.c
+++ b/net/ipv4/netfilter/nf_nat_l3proto_ipv4.c
@@ -154,6 +154,7 @@ static void nf_nat_ipv4_csum_recalc(struct sk_buff *skb,
                                         htons(oldlen), htons(datalen), 1);
 }
 
+#if IS_ENABLED(CONFIG_NF_CT_NETLINK)
 static int nf_nat_ipv4_nlattr_to_range(struct nlattr *tb[],
                                       struct nf_nat_range *range)
 {
@@ -169,6 +170,7 @@ static int nf_nat_ipv4_nlattr_to_range(struct nlattr *tb[],
 
        return 0;
 }
+#endif
 
 static const struct nf_nat_l3proto nf_nat_l3proto_ipv4 = {
        .l3proto                = NFPROTO_IPV4,
@@ -177,7 +179,9 @@ static const struct nf_nat_l3proto nf_nat_l3proto_ipv4 = {
        .manip_pkt              = nf_nat_ipv4_manip_pkt,
        .csum_update            = nf_nat_ipv4_csum_update,
        .csum_recalc            = nf_nat_ipv4_csum_recalc,
+#if IS_ENABLED(CONFIG_NF_CT_NETLINK)
        .nlattr_to_range        = nf_nat_ipv4_nlattr_to_range,
+#endif
 #ifdef CONFIG_XFRM
        .decode_session         = nf_nat_ipv4_decode_session,
 #endif