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>

9 files changed, 27 insertions, 27 deletions

diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index a598768c616c..2e4e24476c4c 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -418,7 +418,7 @@ static inline u32 inet_synq_hash(const __be32 raddr, const __be16 rport,
         return jhash_2words((__force u32)raddr, (__force u32)rport, rnd) & (synq_hsize - 1);
 }
 
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 #define AF_INET_FAMILY(fam) ((fam) == AF_INET)
 #else
 #define AF_INET_FAMILY(fam) 1
diff --git a/net/ipv4/inet_diag.c b/net/ipv4/inet_diag.c
index 9b3e0b179cd2..575e28c57cc9 100644
--- a/net/ipv4/inet_diag.c
+++ b/net/ipv4/inet_diag.c
@@ -116,7 +116,7 @@ int inet_sk_diag_fill(struct sock *sk, struct inet_connection_sock *icsk,
         if (ext & (1 << (INET_DIAG_TOS - 1)))
                 RTA_PUT_U8(skb, INET_DIAG_TOS, inet->tos);
 
-#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
         if (r->idiag_family == AF_INET6) {
                 const struct ipv6_pinfo *np = inet6_sk(sk);
 
@@ -234,7 +234,7 @@ static int inet_twsk_diag_fill(struct inet_timewait_sock *tw,
         r->idiag_wqueue       = 0;
         r->idiag_uid          = 0;
         r->idiag_inode        = 0;
-#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
         if (tw->tw_family == AF_INET6) {
                 const struct inet6_timewait_sock *tw6 =
                                                 inet6_twsk((struct sock *)tw);
@@ -286,7 +286,7 @@ int inet_diag_dump_one_icsk(struct inet_hashinfo *hashinfo, struct sk_buff *in_s
                                  req->id.idiag_dport, req->id.idiag_src[0],
                                  req->id.idiag_sport, req->id.idiag_if);
         }
-#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
         else if (req->sdiag_family == AF_INET6) {
                 sk = inet6_lookup(&init_net, hashinfo,
                                   (struct in6_addr *)req->id.idiag_dst,
@@ -473,7 +473,7 @@ int inet_diag_bc_sk(const struct nlattr *bc, struct sock *sk)
                 return 1;
 
         entry.family = sk->sk_family;
-#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
         if (entry.family == AF_INET6) {
                 struct ipv6_pinfo *np = inet6_sk(sk);
 
@@ -571,7 +571,7 @@ static int inet_twsk_diag_dump(struct inet_timewait_sock *tw,
                 struct inet_diag_entry entry;
 
                 entry.family = tw->tw_family;
-#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
                 if (tw->tw_family == AF_INET6) {
                         struct inet6_timewait_sock *tw6 =
                                                 inet6_twsk((struct sock *)tw);
@@ -633,7 +633,7 @@ static int inet_diag_fill_req(struct sk_buff *skb, struct sock *sk,
         r->idiag_wqueue = 0;
         r->idiag_uid = sock_i_uid(sk);
         r->idiag_inode = 0;
-#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
         if (r->idiag_family == AF_INET6) {
                 *(struct in6_addr *)r->id.idiag_src = inet6_rsk(req)->loc_addr;
                 *(struct in6_addr *)r->id.idiag_dst = inet6_rsk(req)->rmt_addr;
@@ -695,13 +695,13 @@ static int inet_diag_dump_reqs(struct sk_buff *skb, struct sock *sk,
 
                         if (bc) {
                                 entry.saddr =
-#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
                                         (entry.family == AF_INET6) ?
                                         inet6_rsk(req)->loc_addr.s6_addr32 :
 #endif
                                         &ireq->loc_addr;
                                 entry.daddr =
-#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
                                         (entry.family == AF_INET6) ?
                                         inet6_rsk(req)->rmt_addr.s6_addr32 :
 #endif
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index fe070c1593ab..2b53a1f7abf6 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -46,7 +46,7 @@
 #include <net/rtnetlink.h>
 #include <net/gre.h>
 
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 #include <net/ipv6.h>
 #include <net/ip6_fib.h>
 #include <net/ip6_route.h>
@@ -729,7 +729,7 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
                         if ((dst = rt->rt_gateway) == 0)
                                 goto tx_error_icmp;
                 }
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
                 else if (skb->protocol == htons(ETH_P_IPV6)) {
                         struct neighbour *neigh = dst_get_neighbour_noref(skb_dst(skb));
                         const struct in6_addr *addr6;
@@ -799,7 +799,7 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
                         goto tx_error;
                 }
         }
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
         else if (skb->protocol == htons(ETH_P_IPV6)) {
                 struct rt6_info *rt6 = (struct rt6_info *)skb_dst(skb);
 
@@ -875,7 +875,7 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev
         if ((iph->ttl = tiph->ttl) == 0) {
                 if (skb->protocol == htons(ETH_P_IP))
                         iph->ttl = old_iph->ttl;
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
                 else if (skb->protocol == htons(ETH_P_IPV6))
                         iph->ttl = ((const struct ipv6hdr *)old_iph)->hop_limit;
 #endif
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index 80d5fa450210..8aa87c19fa00 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -37,7 +37,7 @@
 #include <net/route.h>
 #include <net/xfrm.h>
 #include <net/compat.h>
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 #include <net/transp_v6.h>
 #endif
 
@@ -508,7 +508,7 @@ static int do_ip_setsockopt(struct sock *sk, int level,
                                                 sock_owned_by_user(sk));
                 if (inet->is_icsk) {
                         struct inet_connection_sock *icsk = inet_csk(sk);
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
                         if (sk->sk_family == PF_INET ||
                             (!((1 << sk->sk_state) &
                                (TCPF_LISTEN | TCPF_CLOSE)) &&
@@ -519,7 +519,7 @@ static int do_ip_setsockopt(struct sock *sk, int level,
                                 if (opt)
                                         icsk->icsk_ext_hdr_len += opt->opt.optlen;
                                 icsk->icsk_sync_mss(sk, icsk->icsk_pmtu_cookie);
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
                         }
 #endif
                 }
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 0cbb44076cfa..b9cbc351c511 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2663,7 +2663,7 @@ static void DBGUNDO(struct sock *sk, const char *msg)
                        tp->snd_ssthresh, tp->prior_ssthresh,
                        tp->packets_out);
         }
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
         else if (sk->sk_family == AF_INET6) {
                 struct ipv6_pinfo *np = inet6_sk(sk);
                 printk(KERN_DEBUG "Undo %s %pI6/%u c%u l%u ss%u/%u p%u\n",
diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c
index 9dc146e5ed65..550e755747e0 100644
--- a/net/ipv4/tcp_minisocks.c
+++ b/net/ipv4/tcp_minisocks.c
@@ -336,7 +336,7 @@ void tcp_time_wait(struct sock *sk, int state, int timeo)
                 tcptw->tw_ts_recent     = tp->rx_opt.ts_recent;
                 tcptw->tw_ts_recent_stamp = tp->rx_opt.ts_recent_stamp;
 
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
                 if (tw->tw_family == PF_INET6) {
                         struct ipv6_pinfo *np = inet6_sk(sk);
                         struct inet6_timewait_sock *tw6;
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c
index 2e0f0af76c19..aa39a692f4c8 100644
--- a/net/ipv4/tcp_timer.c
+++ b/net/ipv4/tcp_timer.c
@@ -340,7 +340,7 @@ void tcp_retransmit_timer(struct sock *sk)
                                &inet->inet_daddr, ntohs(inet->inet_dport),
                                inet->inet_num, tp->snd_una, tp->snd_nxt);
                 }
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
                 else if (sk->sk_family == AF_INET6) {
                         struct ipv6_pinfo *np = inet6_sk(sk);
                         LIMIT_NETDEBUG(KERN_DEBUG "TCP: Peer %pI6:%u/%u unexpectedly shrunk window %u:%u (repaired)\n",
diff --git a/net/ipv4/tunnel4.c b/net/ipv4/tunnel4.c
index ac3b3ee4b07c..01775983b997 100644
--- a/net/ipv4/tunnel4.c
+++ b/net/ipv4/tunnel4.c
@@ -105,7 +105,7 @@ drop:
         return 0;
 }
 
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 static int tunnel64_rcv(struct sk_buff *skb)
 {
         struct xfrm_tunnel *handler;
@@ -134,7 +134,7 @@ static void tunnel4_err(struct sk_buff *skb, u32 info)
                         break;
 }
 
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 static void tunnel64_err(struct sk_buff *skb, u32 info)
 {
         struct xfrm_tunnel *handler;
@@ -152,7 +152,7 @@ static const struct net_protocol tunnel4_protocol = {
         .netns_ok       =       1,
 };
 
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 static const struct net_protocol tunnel64_protocol = {
         .handler        =       tunnel64_rcv,
         .err_handler    =       tunnel64_err,
@@ -167,7 +167,7 @@ static int __init tunnel4_init(void)
                 printk(KERN_ERR "tunnel4 init: can't add protocol\n");
                 return -EAGAIN;
         }
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
         if (inet_add_protocol(&tunnel64_protocol, IPPROTO_IPV6)) {
                 printk(KERN_ERR "tunnel64 init: can't add protocol\n");
                 inet_del_protocol(&tunnel4_protocol, IPPROTO_IPIP);
@@ -179,7 +179,7 @@ static int __init tunnel4_init(void)
 
 static void __exit tunnel4_fini(void)
 {
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
         if (inet_del_protocol(&tunnel64_protocol, IPPROTO_IPV6))
                 printk(KERN_ERR "tunnel64 close: can't remove protocol\n");
 #endif
diff --git a/net/ipv4/xfrm4_tunnel.c b/net/ipv4/xfrm4_tunnel.c
index 82806455e859..9247d9d70e9d 100644
--- a/net/ipv4/xfrm4_tunnel.c
+++ b/net/ipv4/xfrm4_tunnel.c
@@ -64,7 +64,7 @@ static struct xfrm_tunnel xfrm_tunnel_handler __read_mostly = {
         .priority       =       2,
 };
 
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
 static struct xfrm_tunnel xfrm64_tunnel_handler __read_mostly = {
         .handler        =       xfrm_tunnel_rcv,
         .err_handler    =       xfrm_tunnel_err,
@@ -84,7 +84,7 @@ static int __init ipip_init(void)
                 xfrm_unregister_type(&ipip_type, AF_INET);
                 return -EAGAIN;
         }
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
         if (xfrm4_tunnel_register(&xfrm64_tunnel_handler, AF_INET6)) {
                 printk(KERN_INFO "ipip init: can't add xfrm handler for AF_INET6\n");
                 xfrm4_tunnel_deregister(&xfrm_tunnel_handler, AF_INET);
@@ -97,7 +97,7 @@ static int __init ipip_init(void)
 
 static void __exit ipip_fini(void)
 {
-#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
+#if IS_ENABLED(CONFIG_IPV6)
         if (xfrm4_tunnel_deregister(&xfrm64_tunnel_handler, AF_INET6))
                 printk(KERN_INFO "ipip close: can't remove xfrm handler for AF_INET6\n");
 #endif