diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c
index e2bf508..ae20281 100644
--- a/net/ipv4/inet_connection_sock.c
+++ b/net/ipv4/inet_connection_sock.c
@@ -636,3 +636,15 @@
 }
 
 EXPORT_SYMBOL_GPL(inet_csk_listen_stop);
+
+void inet_csk_addr2sockaddr(struct sock *sk, struct sockaddr *uaddr)
+{
+	struct sockaddr_in *sin = (struct sockaddr_in *)uaddr;
+	const struct inet_sock *inet = inet_sk(sk);
+
+	sin->sin_family		= AF_INET;
+	sin->sin_addr.s_addr	= inet->daddr;
+	sin->sin_port		= inet->dport;
+}
+
+EXPORT_SYMBOL_GPL(inet_csk_addr2sockaddr);