net: use IS_ENABLED(CONFIG_IPV6)

Instead of testing defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

16 files changed, 34 insertions, 34 deletions

diff --git a/include/linux/errqueue.h b/include/linux/errqueue.h
index c9f522bd17e..fd0628be45c 100644
--- a/include/linux/errqueue.h
+++ b/include/linux/errqueue.h
@@ -25,7 +25,7 @@ struct sock_extended_err {
 #ifdef __KERNEL__
 
 #include <net/ip.h>
-#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 #include <linux/ipv6.h>
 #endif
 
@@ -34,7 +34,7 @@ struct sock_extended_err {
 struct sock_exterr_skb {
 	union {
 		struct inet_skb_parm	h4;
-#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 		struct inet6_skb_parm	h6;
 #endif
 	} header;
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index 0c997767429..6318268dcaf 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -404,7 +404,7 @@ struct tcp6_sock {
 
 extern int inet6_sk_rebuild_header(struct sock *sk);
 
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 static inline struct ipv6_pinfo * inet6_sk(const struct sock *__sk)
 {
 	return inet_sk(__sk)->pinet6;
@@ -515,7 +515,7 @@ static inline struct raw6_sock *raw6_sk(const struct sock *sk)
 #define inet6_rcv_saddr(__sk)	NULL
 #define tcp_twsk_ipv6only(__sk)		0
 #define inet_v6_ipv6only(__sk)		0
-#endif /* defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) */
+#endif /* IS_ENABLED(CONFIG_IPV6) */
 
 #define INET6_MATCH(__sk, __net, __hash, __saddr, __daddr, __ports, __dif)\
 	(((__sk)->sk_hash == (__hash)) && sock_net((__sk)) == (__net)	&& \
diff --git a/include/linux/lockd/lockd.h b/include/linux/lockd/lockd.h
index ff9abff55aa..90b0656a869 100644
--- a/include/linux/lockd/lockd.h
+++ b/include/linux/lockd/lockd.h
@@ -301,7 +301,7 @@ static inline int __nlm_privileged_request4(const struct sockaddr *sap)
 	return ipv4_is_loopback(sin->sin_addr.s_addr);
 }
 
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 static inline int __nlm_privileged_request6(const struct sockaddr *sap)
 {
 	const struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sap;
@@ -314,12 +314,12 @@ static inline int __nlm_privileged_request6(const struct sockaddr *sap)
 
 	return ipv6_addr_type(&sin6->sin6_addr) & IPV6_ADDR_LOOPBACK;
 }
-#else	/* defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) */
+#else	/* IS_ENABLED(CONFIG_IPV6) */
 static inline int __nlm_privileged_request6(const struct sockaddr *sap)
 {
 	return 0;
 }
-#endif	/* defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) */
+#endif	/* IS_ENABLED(CONFIG_IPV6) */
 
 /*
  * Ensure incoming requests are from local privileged callers.
diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
index f15fd985b08..2c5993a17c3 100644
--- a/include/linux/sunrpc/clnt.h
+++ b/include/linux/sunrpc/clnt.h
@@ -215,7 +215,7 @@ static inline bool __rpc_copy_addr4(struct sockaddr *dst,
 	return true;
 }
 
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 static inline bool __rpc_cmp_addr6(const struct sockaddr *sap1,
 				   const struct sockaddr *sap2)
 {
@@ -240,7 +240,7 @@ static inline bool __rpc_copy_addr6(struct sockaddr *dst,
 	dsin6->sin6_addr = ssin6->sin6_addr;
 	return true;
 }
-#else	/* !(CONFIG_IPV6 || CONFIG_IPV6_MODULE) */
+#else	/* !(IS_ENABLED(CONFIG_IPV6) */
 static inline bool __rpc_cmp_addr6(const struct sockaddr *sap1,
 				   const struct sockaddr *sap2)
 {
@@ -252,7 +252,7 @@ static inline bool __rpc_copy_addr6(struct sockaddr *dst,
 {
 	return false;
 }
-#endif	/* !(CONFIG_IPV6 || CONFIG_IPV6_MODULE) */
+#endif	/* !(IS_ENABLED(CONFIG_IPV6) */
 
 /**
  * rpc_cmp_addr - compare the address portion of two sockaddrs.
diff --git a/include/net/inet6_hashtables.h b/include/net/inet6_hashtables.h
index e46674d5dae..00cbb4384c7 100644
--- a/include/net/inet6_hashtables.h
+++ b/include/net/inet6_hashtables.h
@@ -15,7 +15,7 @@
 #define _INET6_HASHTABLES_H
 
 
-#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 #include <linux/in6.h>
 #include <linux/ipv6.h>
 #include <linux/types.h>
@@ -110,5 +110,5 @@ extern struct sock *inet6_lookup(struct net *net, struct inet_hashinfo *hashinfo
 				 const struct in6_addr *saddr, const __be16 sport,
 				 const struct in6_addr *daddr, const __be16 dport,
 				 const int dif);
-#endif /* defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE) */
+#endif /* IS_ENABLED(CONFIG_IPV6) */
 #endif /* _INET6_HASHTABLES_H */
diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index f941964a993..e3e405106af 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -71,7 +71,7 @@ struct ip_options_data {
 
 struct inet_request_sock {
 	struct request_sock	req;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 	u16			inet6_rsk_offset;
 #endif
 	__be16			loc_port;
@@ -139,7 +139,7 @@ struct rtable;
 struct inet_sock {
 	/* sk and pinet6 has to be the first two members of inet_sock */
 	struct sock		sk;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 	struct ipv6_pinfo	*pinet6;
 #endif
 	/* Socket demultiplex comparisons on incoming packets. */
@@ -188,7 +188,7 @@ static inline void __inet_sk_copy_descendant(struct sock *sk_to,
 	memcpy(inet_sk(sk_to) + 1, inet_sk(sk_from) + 1,
 	       sk_from->sk_prot->obj_size - ancestor_size);
 }
-#if !(defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE))
+#if !(IS_ENABLED(CONFIG_IPV6))
 static inline void inet_sk_copy_descendant(struct sock *sk_to,
 					   const struct sock *sk_from)
 {
diff --git a/include/net/ip.h b/include/net/ip.h
index fd1561e88a1..775009f9eab 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -353,14 +353,14 @@ static inline void ip_ipgre_mc_map(__be32 naddr, const unsigned char *broadcast,
 		memcpy(buf, &naddr, sizeof(naddr));
 }
 
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 #include <linux/ipv6.h>
 #endif
 
 static __inline__ void inet_reset_saddr(struct sock *sk)
 {
 	inet_sk(sk)->inet_rcv_saddr = inet_sk(sk)->inet_saddr = 0;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 	if (sk->sk_family == PF_INET6) {
 		struct ipv6_pinfo *np = inet6_sk(sk);
 
@@ -379,7 +379,7 @@ static inline int sk_mc_loop(struct sock *sk)
 	switch (sk->sk_family) {
 	case AF_INET:
 		return inet_sk(sk)->mc_loop;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 	case AF_INET6:
 		return inet6_sk(sk)->mc_loop;
 #endif
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index 3bb6fa0eace..ee547c14981 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -77,7 +77,7 @@ struct net {
 	struct netns_packet	packet;
 	struct netns_unix	unx;
 	struct netns_ipv4	ipv4;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 	struct netns_ipv6	ipv6;
 #endif
 #if defined(CONFIG_IP_DCCP) || defined(CONFIG_IP_DCCP_MODULE)
diff --git a/include/net/netfilter/nf_tproxy_core.h b/include/net/netfilter/nf_tproxy_core.h
index e505358d899..75ca9291cf2 100644
--- a/include/net/netfilter/nf_tproxy_core.h
+++ b/include/net/netfilter/nf_tproxy_core.h
@@ -131,7 +131,7 @@ nf_tproxy_get_sock_v4(struct net *net, const u8 protocol,
 	return sk;
 }
 
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 static inline struct sock *
 nf_tproxy_get_sock_v6(struct net *net, const u8 protocol,
 		      const struct in6_addr *saddr, const struct in6_addr *daddr,
diff --git a/include/net/netns/mib.h b/include/net/netns/mib.h
index 30f6728ee98..d542a4b28cc 100644
--- a/include/net/netns/mib.h
+++ b/include/net/netns/mib.h
@@ -12,7 +12,7 @@ struct netns_mib {
 	DEFINE_SNMP_STAT(struct icmp_mib, icmp_statistics);
 	DEFINE_SNMP_STAT_ATOMIC(struct icmpmsg_mib, icmpmsg_statistics);
 
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 	struct proc_dir_entry *proc_net_devsnmp6;
 	DEFINE_SNMP_STAT(struct udp_mib, udp_stats_in6);
 	DEFINE_SNMP_STAT(struct udp_mib, udplite_stats_in6);
diff --git a/include/net/netns/xfrm.h b/include/net/netns/xfrm.h
index 748f91f87cd..5299e69a32a 100644
--- a/include/net/netns/xfrm.h
+++ b/include/net/netns/xfrm.h
@@ -56,7 +56,7 @@ struct netns_xfrm {
 #endif
 
 	struct dst_ops		xfrm4_dst_ops;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 	struct dst_ops		xfrm6_dst_ops;
 #endif
 };
diff --git a/include/net/protocol.h b/include/net/protocol.h
index e182e13d639..875f4895b03 100644
--- a/include/net/protocol.h
+++ b/include/net/protocol.h
@@ -25,7 +25,7 @@
 #define _PROTOCOL_H
 
 #include <linux/in6.h>
-#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 #include <linux/ipv6.h>
 #endif
 
@@ -46,7 +46,7 @@ struct net_protocol {
 				netns_ok:1;
 };
 
-#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 struct inet6_protocol {
 	int	(*handler)(struct sk_buff *skb);
 
@@ -91,7 +91,7 @@ struct inet_protosw {
 
 extern const struct net_protocol __rcu *inet_protos[MAX_INET_PROTOS];
 
-#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 extern const struct inet6_protocol __rcu *inet6_protos[MAX_INET_PROTOS];
 #endif
 
@@ -100,7 +100,7 @@ extern int	inet_del_protocol(const struct net_protocol *prot, unsigned char num)
 extern void	inet_register_protosw(struct inet_protosw *p);
 extern void	inet_unregister_protosw(struct inet_protosw *p);
 
-#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 extern int	inet6_add_protocol(const struct inet6_protocol *prot, unsigned char num);
 extern int	inet6_del_protocol(const struct inet6_protocol *prot, unsigned char num);
 extern int	inet6_register_protosw(struct inet_protosw *p);
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index 6a72a58cde5..d3685615a8b 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -71,7 +71,7 @@
 #include <linux/jiffies.h>
 #include <linux/idr.h>
 
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 #include <net/ipv6.h>
 #include <net/ip6_route.h>
 #endif
@@ -383,7 +383,7 @@ static inline void sctp_sysctl_unregister(void) { return; }
 /* Size of Supported Address Parameter for 'x' address types. */
 #define SCTP_SAT_LEN(x) (sizeof(struct sctp_paramhdr) + (x) * sizeof(__u16))
 
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 
 void sctp_v6_pf_init(void);
 void sctp_v6_pf_exit(void);
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 3382615bd71..ad0e31bf745 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -365,7 +365,7 @@ static inline struct sock *sctp_opt2sk(const struct sctp_sock *sp)
        return (struct sock *)sp;
 }
 
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 struct sctp6_sock {
        struct sctp_sock  sctp;
        struct ipv6_pinfo inet6;
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 87e3c80bfa0..02f070d339b 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -628,7 +628,7 @@ extern u32 __tcp_select_window(struct sock *sk);
 struct tcp_skb_cb {
 	union {
 		struct inet_skb_parm	h4;
-#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 		struct inet6_skb_parm	h6;
 #endif
 	} header;	/* For incoming frames		*/
@@ -1152,7 +1152,7 @@ struct tcp6_md5sig_key {
 /* - sock block */
 struct tcp_md5sig_info {
 	struct tcp4_md5sig_key	*keys4;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 	struct tcp6_md5sig_key	*keys6;
 	u32			entries6;
 	u32			alloced6;
@@ -1179,7 +1179,7 @@ struct tcp6_pseudohdr {
 
 union tcp_md5sum_block {
 	struct tcp4_pseudohdr ip4;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 	struct tcp6_pseudohdr ip6;
 #endif
 };
diff --git a/include/net/udp.h b/include/net/udp.h
index 1ffb39c9f32..e39592f682c 100644
--- a/include/net/udp.h
+++ b/include/net/udp.h
@@ -41,7 +41,7 @@
 struct udp_skb_cb {
 	union {
 		struct inet_skb_parm	h4;
-#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 		struct inet6_skb_parm	h6;
 #endif
 	} header;
@@ -223,7 +223,7 @@ extern struct sock *__udp6_lib_lookup(struct net *net, const struct in6_addr *sa
 	else	    SNMP_INC_STATS_USER((net)->mib.udp_stats_in6, field);      \
 } while(0)
 
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 #define UDPX_INC_STATS_BH(sk, field) \
 	do { \
 		if ((sk)->sk_family == AF_INET) \