diff --git a/net/socket.c b/net/socket.c
index 36e38ee434ea..2a48aa89c035 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -675,6 +675,7 @@ int sock_sendmsg(struct socket *sock, struct msghdr *msg)
 {
 	struct sockaddr_storage *save_addr = (struct sockaddr_storage *)msg->msg_name;
 	struct sockaddr_storage address;
+	int save_len = msg->msg_namelen;
 	int ret;
 
 	if (msg->msg_name) {
@@ -684,6 +685,7 @@ int sock_sendmsg(struct socket *sock, struct msghdr *msg)
 
 	ret = __sock_sendmsg(sock, msg);
 	msg->msg_name = save_addr;
+	msg->msg_namelen = save_len;
 
 	return ret;
 }