--- zzzz-none-000/linux-4.1.52/net/ipv6/datagram.c	2018-05-28 02:26:45.000000000 +0000
+++ bcm63-7530ax-731/linux-4.1.52/net/ipv6/datagram.c	2022-03-02 11:37:13.000000000 +0000
@@ -40,7 +40,8 @@
 	return ipv6_addr_v4mapped(a) && (a->s6_addr32[3] == 0);
 }
 
-static int __ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
+int __ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr,
+			   int addr_len)
 {
 	struct sockaddr_in6	*usin = (struct sockaddr_in6 *) uaddr;
 	struct inet_sock	*inet = inet_sk(sk);
@@ -213,6 +214,7 @@
 	fl6_sock_release(flowlabel);
 	return err;
 }
+EXPORT_SYMBOL_GPL(__ip6_datagram_connect);
 
 int ip6_datagram_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
 {