net:netfilter: use IS_ENABLED

Use IS_ENABLED(CONFIG_FOO)
instead of defined(CONFIG_FOO) || defined (CONFIG_FOO_MODULE)
Signed-off-by: Igor Maravić <igorm@etf.rs>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/netfilter/core.c

@@ -229,7 +229,7 @@ int skb_make_writable(struct sk_buff *skb, unsigned int writable_len)
 }
 EXPORT_SYMBOL(skb_make_writable);
 
-#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
+#if IS_ENABLED(CONFIG_NF_CONNTRACK)
 /* This does not belong here, but locally generated errors need it if connection
    tracking in use: without this, connection may not be in hash table, and hence
    manufactured ICMP or RST packets will not be associated with it. */

net/netfilter/ipset/ip_set_getport.c

@@ -109,7 +109,7 @@ ip_set_get_ip4_port(const struct sk_buff *skb, bool src,
 }
 EXPORT_SYMBOL_GPL(ip_set_get_ip4_port);
 
-#if defined(CONFIG_IP6_NF_IPTABLES) || defined(CONFIG_IP6_NF_IPTABLES_MODULE)
+#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES)
 bool
 ip_set_get_ip6_port(const struct sk_buff *skb, bool src,
 		    __be16 *port, u8 *proto)

net/netfilter/ipvs/ip_vs_xmit.c

@@ -541,7 +541,7 @@ ip_vs_nat_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
 	 * Avoid duplicate tuple in reply direction for NAT traffic
 	 * to local address when connection is sync-ed
 	 */
-#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
+#if IS_ENABLED(CONFIG_NF_CONNTRACK)
 	if (cp->flags & IP_VS_CONN_F_SYNC && local) {
 		enum ip_conntrack_info ctinfo;
 		struct nf_conn *ct = ct = nf_ct_get(skb, &ctinfo);
@@ -658,7 +658,7 @@ ip_vs_nat_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
 	 * Avoid duplicate tuple in reply direction for NAT traffic
 	 * to local address when connection is sync-ed
 	 */
-#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
+#if IS_ENABLED(CONFIG_NF_CONNTRACK)
 	if (cp->flags & IP_VS_CONN_F_SYNC && local) {
 		enum ip_conntrack_info ctinfo;
 		struct nf_conn *ct = ct = nf_ct_get(skb, &ctinfo);
@@ -1173,7 +1173,7 @@ ip_vs_icmp_xmit(struct sk_buff *skb, struct ip_vs_conn *cp,
 	 * Avoid duplicate tuple in reply direction for NAT traffic
 	 * to local address when connection is sync-ed
 	 */
-#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
+#if IS_ENABLED(CONFIG_NF_CONNTRACK)
 	if (cp->flags & IP_VS_CONN_F_SYNC && local) {
 		enum ip_conntrack_info ctinfo;
 		struct nf_conn *ct = ct = nf_ct_get(skb, &ctinfo);
@@ -1293,7 +1293,7 @@ ip_vs_icmp_xmit_v6(struct sk_buff *skb, struct ip_vs_conn *cp,
 	 * Avoid duplicate tuple in reply direction for NAT traffic
 	 * to local address when connection is sync-ed
 	 */
-#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
+#if IS_ENABLED(CONFIG_NF_CONNTRACK)
 	if (cp->flags & IP_VS_CONN_F_SYNC && local) {
 		enum ip_conntrack_info ctinfo;
 		struct nf_conn *ct = ct = nf_ct_get(skb, &ctinfo);

net/netfilter/nf_conntrack_core.c

@@ -1087,7 +1087,7 @@ static struct nf_ct_ext_type nf_ct_zone_extend __read_mostly = {
 };
 #endif
 
-#if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
+#if IS_ENABLED(CONFIG_NF_CT_NETLINK)
 
 #include <linux/netfilter/nfnetlink.h>
 #include <linux/netfilter/nfnetlink_conntrack.h>

net/netfilter/nf_conntrack_h323_main.c

@@ -743,8 +743,7 @@ static int callforward_do_filter(const union nf_inet_addr *src,
 		}
 		break;
 	}
-#if defined(CONFIG_NF_CONNTRACK_IPV6) || \
-    defined(CONFIG_NF_CONNTRACK_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_NF_CONNTRACK_IPV6)
 	case AF_INET6: {
 		struct flowi6 fl1, fl2;
 		struct rt6_info *rt1, *rt2;

net/netfilter/nf_conntrack_proto_dccp.c

@@ -629,7 +629,7 @@ static int dccp_print_conntrack(struct seq_file *s, struct nf_conn *ct)
 	return seq_printf(s, "%s ", dccp_state_names[ct->proto.dccp.state]);
 }
 
-#if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
+#if IS_ENABLED(CONFIG_NF_CT_NETLINK)
 static int dccp_to_nlattr(struct sk_buff *skb, struct nlattr *nla,
 			  struct nf_conn *ct)
 {
@@ -770,7 +770,7 @@ static struct nf_conntrack_l4proto dccp_proto4 __read_mostly = {
 	.error			= dccp_error,
 	.print_tuple		= dccp_print_tuple,
 	.print_conntrack	= dccp_print_conntrack,
-#if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
+#if IS_ENABLED(CONFIG_NF_CT_NETLINK)
 	.to_nlattr		= dccp_to_nlattr,
 	.nlattr_size		= dccp_nlattr_size,
 	.from_nlattr		= nlattr_to_dccp,
@@ -792,7 +792,7 @@ static struct nf_conntrack_l4proto dccp_proto6 __read_mostly = {
 	.error			= dccp_error,
 	.print_tuple		= dccp_print_tuple,
 	.print_conntrack	= dccp_print_conntrack,
-#if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
+#if IS_ENABLED(CONFIG_NF_CT_NETLINK)
 	.to_nlattr		= dccp_to_nlattr,
 	.nlattr_size		= dccp_nlattr_size,
 	.from_nlattr		= nlattr_to_dccp,

net/netfilter/nf_conntrack_proto_gre.c

@@ -291,7 +291,7 @@ static struct nf_conntrack_l4proto nf_conntrack_l4proto_gre4 __read_mostly = {
 	.new		 = gre_new,
 	.destroy	 = gre_destroy,
 	.me 		 = THIS_MODULE,
-#if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
+#if IS_ENABLED(CONFIG_NF_CT_NETLINK)
 	.tuple_to_nlattr = nf_ct_port_tuple_to_nlattr,
 	.nlattr_tuple_size = nf_ct_port_nlattr_tuple_size,
 	.nlattr_to_tuple = nf_ct_port_nlattr_to_tuple,

net/netfilter/nf_conntrack_proto_sctp.c

@@ -461,7 +461,7 @@ static bool sctp_new(struct nf_conn *ct, const struct sk_buff *skb,
 	return true;
 }
 
-#if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
+#if IS_ENABLED(CONFIG_NF_CT_NETLINK)
 
 #include <linux/netfilter/nfnetlink.h>
 #include <linux/netfilter/nfnetlink_conntrack.h>
@@ -666,7 +666,7 @@ static struct nf_conntrack_l4proto nf_conntrack_l4proto_sctp4 __read_mostly = {
 	.packet 		= sctp_packet,
 	.new 			= sctp_new,
 	.me 			= THIS_MODULE,
-#if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
+#if IS_ENABLED(CONFIG_NF_CT_NETLINK)
 	.to_nlattr		= sctp_to_nlattr,
 	.nlattr_size		= sctp_nlattr_size,
 	.from_nlattr		= nlattr_to_sctp,
@@ -696,7 +696,7 @@ static struct nf_conntrack_l4proto nf_conntrack_l4proto_sctp6 __read_mostly = {
 	.packet 		= sctp_packet,
 	.new 			= sctp_new,
 	.me 			= THIS_MODULE,
-#if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
+#if IS_ENABLED(CONFIG_NF_CT_NETLINK)
 	.to_nlattr		= sctp_to_nlattr,
 	.nlattr_size		= sctp_nlattr_size,
 	.from_nlattr		= nlattr_to_sctp,

net/netfilter/nf_conntrack_proto_tcp.c

@@ -1126,7 +1126,7 @@ static bool tcp_new(struct nf_conn *ct, const struct sk_buff *skb,
 	return true;
 }
 
-#if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
+#if IS_ENABLED(CONFIG_NF_CT_NETLINK)
 
 #include <linux/netfilter/nfnetlink.h>
 #include <linux/netfilter/nfnetlink_conntrack.h>
@@ -1447,7 +1447,7 @@ struct nf_conntrack_l4proto nf_conntrack_l4proto_tcp4 __read_mostly =
 	.packet 		= tcp_packet,
 	.new 			= tcp_new,
 	.error			= tcp_error,
-#if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
+#if IS_ENABLED(CONFIG_NF_CT_NETLINK)
 	.to_nlattr		= tcp_to_nlattr,
 	.nlattr_size		= tcp_nlattr_size,
 	.from_nlattr		= nlattr_to_tcp,
@@ -1479,7 +1479,7 @@ struct nf_conntrack_l4proto nf_conntrack_l4proto_tcp6 __read_mostly =
 	.packet 		= tcp_packet,
 	.new 			= tcp_new,
 	.error			= tcp_error,
-#if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
+#if IS_ENABLED(CONFIG_NF_CT_NETLINK)
 	.to_nlattr		= tcp_to_nlattr,
 	.nlattr_size		= tcp_nlattr_size,
 	.from_nlattr		= nlattr_to_tcp,

net/netfilter/nf_conntrack_proto_udp.c

@@ -188,7 +188,7 @@ struct nf_conntrack_l4proto nf_conntrack_l4proto_udp4 __read_mostly =
 	.packet			= udp_packet,
 	.new			= udp_new,
 	.error			= udp_error,
-#if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
+#if IS_ENABLED(CONFIG_NF_CT_NETLINK)
 	.tuple_to_nlattr	= nf_ct_port_tuple_to_nlattr,
 	.nlattr_to_tuple	= nf_ct_port_nlattr_to_tuple,
 	.nlattr_tuple_size	= nf_ct_port_nlattr_tuple_size,
@@ -216,7 +216,7 @@ struct nf_conntrack_l4proto nf_conntrack_l4proto_udp6 __read_mostly =
 	.packet			= udp_packet,
 	.new			= udp_new,
 	.error			= udp_error,
-#if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
+#if IS_ENABLED(CONFIG_NF_CT_NETLINK)
 	.tuple_to_nlattr	= nf_ct_port_tuple_to_nlattr,
 	.nlattr_to_tuple	= nf_ct_port_nlattr_to_tuple,
 	.nlattr_tuple_size	= nf_ct_port_nlattr_tuple_size,

net/netfilter/nf_conntrack_proto_udplite.c

@@ -174,7 +174,7 @@ static struct nf_conntrack_l4proto nf_conntrack_l4proto_udplite4 __read_mostly =
 	.packet			= udplite_packet,
 	.new			= udplite_new,
 	.error			= udplite_error,
-#if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
+#if IS_ENABLED(CONFIG_NF_CT_NETLINK)
 	.tuple_to_nlattr	= nf_ct_port_tuple_to_nlattr,
 	.nlattr_tuple_size	= nf_ct_port_nlattr_tuple_size,
 	.nlattr_to_tuple	= nf_ct_port_nlattr_to_tuple,
@@ -198,7 +198,7 @@ static struct nf_conntrack_l4proto nf_conntrack_l4proto_udplite6 __read_mostly =
 	.packet			= udplite_packet,
 	.new			= udplite_new,
 	.error			= udplite_error,
-#if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
+#if IS_ENABLED(CONFIG_NF_CT_NETLINK)
 	.tuple_to_nlattr	= nf_ct_port_tuple_to_nlattr,
 	.nlattr_tuple_size	= nf_ct_port_nlattr_tuple_size,
 	.nlattr_to_tuple	= nf_ct_port_nlattr_to_tuple,

net/netfilter/xt_NFQUEUE.c

@@ -49,7 +49,7 @@ static u32 hash_v4(const struct sk_buff *skb)
 	return jhash_2words((__force u32)ipaddr, iph->protocol, jhash_initval);
 }
 
-#if defined(CONFIG_IP6_NF_IPTABLES) || defined(CONFIG_IP6_NF_IPTABLES_MODULE)
+#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES)
 static u32 hash_v6(const struct sk_buff *skb)
 {
 	const struct ipv6hdr *ip6h = ipv6_hdr(skb);
@@ -74,7 +74,7 @@ nfqueue_tg_v1(struct sk_buff *skb, const struct xt_action_param *par)
 		if (par->family == NFPROTO_IPV4)
 			queue = (((u64) hash_v4(skb) * info->queues_total) >>
 				 32) + queue;
-#if defined(CONFIG_IP6_NF_IPTABLES) || defined(CONFIG_IP6_NF_IPTABLES_MODULE)
+#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES)
 		else if (par->family == NFPROTO_IPV6)
 			queue = (((u64) hash_v6(skb) * info->queues_total) >>
 				 32) + queue;

net/netfilter/xt_TCPMSS.c

@@ -198,7 +198,7 @@ tcpmss_tg4(struct sk_buff *skb, const struct xt_action_param *par)
 	return XT_CONTINUE;
 }
 
-#if defined(CONFIG_IP6_NF_IPTABLES) || defined(CONFIG_IP6_NF_IPTABLES_MODULE)
+#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES)
 static unsigned int
 tcpmss_tg6(struct sk_buff *skb, const struct xt_action_param *par)
 {
@@ -260,7 +260,7 @@ static int tcpmss_tg4_check(const struct xt_tgchk_param *par)
 	return -EINVAL;
 }
 
-#if defined(CONFIG_IP6_NF_IPTABLES) || defined(CONFIG_IP6_NF_IPTABLES_MODULE)
+#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES)
 static int tcpmss_tg6_check(const struct xt_tgchk_param *par)
 {
 	const struct xt_tcpmss_info *info = par->targinfo;
@@ -293,7 +293,7 @@ static struct xt_target tcpmss_tg_reg[] __read_mostly = {
 		.proto		= IPPROTO_TCP,
 		.me		= THIS_MODULE,
 	},
-#if defined(CONFIG_IP6_NF_IPTABLES) || defined(CONFIG_IP6_NF_IPTABLES_MODULE)
+#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES)
 	{
 		.family		= NFPROTO_IPV6,
 		.name		= "TCPMSS",

net/netfilter/xt_TCPOPTSTRIP.c

@@ -80,7 +80,7 @@ tcpoptstrip_tg4(struct sk_buff *skb, const struct xt_action_param *par)
 	       sizeof(struct iphdr) + sizeof(struct tcphdr));
 }
 
-#if defined(CONFIG_IP6_NF_MANGLE) || defined(CONFIG_IP6_NF_MANGLE_MODULE)
+#if IS_ENABLED(CONFIG_IP6_NF_MANGLE)
 static unsigned int
 tcpoptstrip_tg6(struct sk_buff *skb, const struct xt_action_param *par)
 {
@@ -109,7 +109,7 @@ static struct xt_target tcpoptstrip_tg_reg[] __read_mostly = {
 		.targetsize = sizeof(struct xt_tcpoptstrip_target_info),
 		.me         = THIS_MODULE,
 	},
-#if defined(CONFIG_IP6_NF_MANGLE) || defined(CONFIG_IP6_NF_MANGLE_MODULE)
+#if IS_ENABLED(CONFIG_IP6_NF_MANGLE)
 	{
 		.name       = "TCPOPTSTRIP",
 		.family     = NFPROTO_IPV6,

net/netfilter/xt_TEE.c

@@ -25,7 +25,7 @@
 #include <linux/netfilter/x_tables.h>
 #include <linux/netfilter/xt_TEE.h>
 
-#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
+#if IS_ENABLED(CONFIG_NF_CONNTRACK)
 #	define WITH_CONNTRACK 1
 #	include <net/netfilter/nf_conntrack.h>
 #endif

net/netfilter/xt_TPROXY.c

@@ -22,7 +22,7 @@
 
 #include <net/netfilter/ipv4/nf_defrag_ipv4.h>
 
-#if defined(CONFIG_IP6_NF_IPTABLES) || defined(CONFIG_IP6_NF_IPTABLES_MODULE)
+#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES)
 #define XT_TPROXY_HAVE_IPV6 1
 #include <net/if_inet6.h>
 #include <net/addrconf.h>

net/netfilter/xt_addrtype.c

@@ -16,7 +16,7 @@
 #include <linux/ip.h>
 #include <net/route.h>
 
-#if defined(CONFIG_IP6_NF_IPTABLES) || defined(CONFIG_IP6_NF_IPTABLES_MODULE)
+#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES)
 #include <net/ipv6.h>
 #include <net/ip6_route.h>
 #include <net/ip6_fib.h>
@@ -31,7 +31,7 @@ MODULE_DESCRIPTION("Xtables: address type match");
 MODULE_ALIAS("ipt_addrtype");
 MODULE_ALIAS("ip6t_addrtype");
 
-#if defined(CONFIG_IP6_NF_IPTABLES) || defined(CONFIG_IP6_NF_IPTABLES_MODULE)
+#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES)
 static u32 match_lookup_rt6(struct net *net, const struct net_device *dev,
 			    const struct in6_addr *addr)
 {
@@ -149,7 +149,7 @@ addrtype_mt_v1(const struct sk_buff *skb, struct xt_action_param *par)
 	else if (info->flags & XT_ADDRTYPE_LIMIT_IFACE_OUT)
 		dev = par->out;
 
-#if defined(CONFIG_IP6_NF_IPTABLES) || defined(CONFIG_IP6_NF_IPTABLES_MODULE)
+#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES)
 	if (par->family == NFPROTO_IPV6)
 		return addrtype_mt6(net, dev, skb, info);
 #endif
@@ -190,7 +190,7 @@ static int addrtype_mt_checkentry_v1(const struct xt_mtchk_param *par)
 		return -EINVAL;
 	}
 
-#if defined(CONFIG_IP6_NF_IPTABLES) || defined(CONFIG_IP6_NF_IPTABLES_MODULE)
+#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES)
 	if (par->family == NFPROTO_IPV6) {
 		if ((info->source | info->dest) & XT_ADDRTYPE_BLACKHOLE) {
 			pr_err("ipv6 BLACKHOLE matching not supported\n");

net/netfilter/xt_hashlimit.c

@@ -21,7 +21,7 @@
 #include <linux/mm.h>
 #include <linux/in.h>
 #include <linux/ip.h>
-#if defined(CONFIG_IP6_NF_IPTABLES) || defined(CONFIG_IP6_NF_IPTABLES_MODULE)
+#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES)
 #include <linux/ipv6.h>
 #include <net/ipv6.h>
 #endif
@@ -64,7 +64,7 @@ struct dsthash_dst {
 			__be32 src;
 			__be32 dst;
 		} ip;
-#if defined(CONFIG_IP6_NF_IPTABLES) || defined(CONFIG_IP6_NF_IPTABLES_MODULE)
+#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES)
 		struct {
 			__be32 src[4];
 			__be32 dst[4];
@@ -413,7 +413,7 @@ static inline __be32 maskl(__be32 a, unsigned int l)
 	return l ? htonl(ntohl(a) & ~0 << (32 - l)) : 0;
 }
 
-#if defined(CONFIG_IP6_NF_IPTABLES) || defined(CONFIG_IP6_NF_IPTABLES_MODULE)
+#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES)
 static void hashlimit_ipv6_mask(__be32 *i, unsigned int p)
 {
 	switch (p) {
@@ -464,7 +464,7 @@ hashlimit_init_dst(const struct xt_hashlimit_htable *hinfo,
 			return 0;
 		nexthdr = ip_hdr(skb)->protocol;
 		break;
-#if defined(CONFIG_IP6_NF_IPTABLES) || defined(CONFIG_IP6_NF_IPTABLES_MODULE)
+#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES)
 	case NFPROTO_IPV6:
 		if (hinfo->cfg.mode & XT_HASHLIMIT_HASH_DIP) {
 			memcpy(&dst->ip6.dst, &ipv6_hdr(skb)->daddr,
@@ -616,7 +616,7 @@ static struct xt_match hashlimit_mt_reg[] __read_mostly = {
 		.destroy        = hashlimit_mt_destroy,
 		.me             = THIS_MODULE,
 	},
-#if defined(CONFIG_IP6_NF_IPTABLES) || defined(CONFIG_IP6_NF_IPTABLES_MODULE)
+#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES)
 	{
 		.name           = "hashlimit",
 		.revision       = 1,
@@ -693,7 +693,7 @@ static int dl_seq_real_show(struct dsthash_ent *ent, u_int8_t family,
 				 ent->rateinfo.credit, ent->rateinfo.credit_cap,
 				 ent->rateinfo.cost);
 		break;
-#if defined(CONFIG_IP6_NF_IPTABLES) || defined(CONFIG_IP6_NF_IPTABLES_MODULE)
+#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES)
 	case NFPROTO_IPV6:
 		res = seq_printf(s, "%ld %pI6:%u->%pI6:%u %u %u %u\n",
 				 (long)(ent->expires - jiffies)/HZ,
@@ -761,7 +761,7 @@ static int __net_init hashlimit_proc_net_init(struct net *net)
 	hashlimit_net->ipt_hashlimit = proc_mkdir("ipt_hashlimit", net->proc_net);
 	if (!hashlimit_net->ipt_hashlimit)
 		return -ENOMEM;
-#if defined(CONFIG_IP6_NF_IPTABLES) || defined(CONFIG_IP6_NF_IPTABLES_MODULE)
+#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES)
 	hashlimit_net->ip6t_hashlimit = proc_mkdir("ip6t_hashlimit", net->proc_net);
 	if (!hashlimit_net->ip6t_hashlimit) {
 		proc_net_remove(net, "ipt_hashlimit");
@@ -774,7 +774,7 @@ static int __net_init hashlimit_proc_net_init(struct net *net)
 static void __net_exit hashlimit_proc_net_exit(struct net *net)
 {
 	proc_net_remove(net, "ipt_hashlimit");
-#if defined(CONFIG_IP6_NF_IPTABLES) || defined(CONFIG_IP6_NF_IPTABLES_MODULE)
+#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES)
 	proc_net_remove(net, "ip6t_hashlimit");
 #endif
 }

net/netfilter/xt_socket.c

@@ -22,7 +22,7 @@
 #include <net/netfilter/nf_tproxy_core.h>
 #include <net/netfilter/ipv4/nf_defrag_ipv4.h>
 
-#if defined(CONFIG_IP6_NF_IPTABLES) || defined(CONFIG_IP6_NF_IPTABLES_MODULE)
+#if IS_ENABLED(CONFIG_IP6_NF_IPTABLES)
 #define XT_SOCKET_HAVE_IPV6 1
 #include <linux/netfilter_ipv6/ip6_tables.h>
 #include <net/netfilter/ipv6/nf_defrag_ipv6.h>
@@ -30,7 +30,7 @@
 
 #include <linux/netfilter/xt_socket.h>
 
-#if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
+#if IS_ENABLED(CONFIG_NF_CONNTRACK)
 #define XT_SOCKET_HAVE_CONNTRACK 1
 #include <net/netfilter/nf_conntrack.h>
 #endif