48 files changed, 161 insertions, 164 deletions

diff --git a/include/linux/errqueue.h b/include/linux/errqueue.h
index c9f522bd17e4..fd0628be45ce 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 0c997767429a..6318268dcaf5 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 ff9abff55aa0..90b0656a869e 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 f15fd985b08a..2c5993a17c33 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 e46674d5daea..00cbb4384c79 100644
--- a/include/net/inet6_hashtables.h
+++ b/include/net/inet6_hashtables.h
@@ -15,7 +15,7 @@