diff --git a/include/net/ip.h b/include/net/ip.h
index 7d1088888c10c973a3f99802aaab566d0f07afbb..81e23a102a0d5edec859b78239b81e6dcd82c54d 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -783,5 +783,6 @@ int ip_sock_set_mtu_discover(struct sock *sk, int val);
 void ip_sock_set_pktinfo(struct sock *sk);
 void ip_sock_set_recverr(struct sock *sk);
 void ip_sock_set_tos(struct sock *sk, int val);
+void  __ip_sock_set_tos(struct sock *sk, int val);
 
 #endif	/* _IP_H */
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c
index 38d29b175ca6646c280e0626e8e935b348f00f08..445a9ecaefa19b7ee92bbd98f3c164c2389a2e87 100644
--- a/net/ipv4/ip_sockglue.c
+++ b/net/ipv4/ip_sockglue.c
@@ -576,7 +576,7 @@ int ip_recv_error(struct sock *sk, struct msghdr *msg, int len, int *addr_len)
 	return err;
 }
 
-static void __ip_sock_set_tos(struct sock *sk, int val)
+void __ip_sock_set_tos(struct sock *sk, int val)
 {
 	if (sk->sk_type == SOCK_STREAM) {
 		val &= ~INET_ECN_MASK;