net: fix build errors if ipv6 is disabled

[deliverable/linux.git] / include / net / ip6_checksum.h

diff --git a/include/net/ip6_checksum.h b/include/net/ip6_checksum.h
index 1944406949ba3e573f928615b4d8ff37467e4ba2..9e3c540c1b110c71b65003a6aac22cc6c333be5a 100644 (file)
--- a/include/net/ip6_checksum.h
+++ b/include/net/ip6_checksum.h
@@ -66,12 +66,14 @@ static inline void __tcp_v6_send_check(struct sk_buff *skb,
        }
 }
 
+#if IS_ENABLED(CONFIG_IPV6)
 static inline void tcp_v6_send_check(struct sock *sk, struct sk_buff *skb)
 {
        struct ipv6_pinfo *np = inet6_sk(sk);
 
        __tcp_v6_send_check(skb, &np->saddr, &sk->sk_v6_daddr);
 }
+#endif
 
 int udp6_csum_init(struct sk_buff *skb, struct udphdr *uh, int proto);
 #endif