94 	struct socket *ssock;  in __mptcp_socket_create()  local
97 	err = mptcp_subflow_create_socket(sk, &ssock);  in __mptcp_socket_create()
101 	msk->first = ssock->sk;  in __mptcp_socket_create()
102 	msk->subflow = ssock;  in __mptcp_socket_create()
103 	subflow = mptcp_subflow_ctx(ssock->sk);  in __mptcp_socket_create()
2189 	struct socket *ssock;  in mptcp_setsockopt_sol_socket()  local
2196 		ssock = __mptcp_nmpc_socket(msk);  in mptcp_setsockopt_sol_socket()
2197 		if (!ssock) {  in mptcp_setsockopt_sol_socket()
2202 		ret = sock_setsockopt(ssock, SOL_SOCKET, optname, optval, optlen);  in mptcp_setsockopt_sol_socket()
2205 				sk->sk_reuseport = ssock->sk->sk_reuseport;  in mptcp_setsockopt_sol_socket()
2207 				sk->sk_reuse = ssock->sk->sk_reuse;  in mptcp_setsockopt_sol_socket()
2221 	struct socket *ssock;  in mptcp_setsockopt_v6()  local
2226 		ssock = __mptcp_nmpc_socket(msk);  in mptcp_setsockopt_v6()
2227 		if (!ssock) {  in mptcp_setsockopt_v6()
2232 		ret = tcp_setsockopt(ssock->sk, SOL_IPV6, optname, optval, optlen);  in mptcp_setsockopt_v6()
2234 			sk->sk_ipv6only = ssock->sk->sk_ipv6only;  in mptcp_setsockopt_v6()
2346 	struct socket *ssock;  in mptcp_get_port()  local
2348 	ssock = __mptcp_nmpc_socket(msk);  in mptcp_get_port()
2349 	pr_debug("msk=%p, subflow=%p", msk, ssock);  in mptcp_get_port()
2350 	if (WARN_ON_ONCE(!ssock))  in mptcp_get_port()
2353 	return inet_csk_get_port(ssock->sk, snum);  in mptcp_get_port()
2480 	struct socket *ssock;  in mptcp_bind()  local
2484 	ssock = __mptcp_nmpc_socket(msk);  in mptcp_bind()
2485 	if (!ssock) {  in mptcp_bind()
2490 	err = ssock->ops->bind(ssock, uaddr, addr_len);  in mptcp_bind()
2492 		mptcp_copy_inaddrs(sock->sk, ssock->sk);  in mptcp_bind()
2511 	struct socket *ssock;  in mptcp_stream_connect()  local
2519 		ssock = msk->subflow;  in mptcp_stream_connect()
2523 	ssock = __mptcp_nmpc_socket(msk);  in mptcp_stream_connect()
2524 	if (!ssock) {  in mptcp_stream_connect()
2531 	subflow = mptcp_subflow_ctx(ssock->sk);  in mptcp_stream_connect()
2536 	if (rcu_access_pointer(tcp_sk(ssock->sk)->md5sig_info))  in mptcp_stream_connect()
2539 	if (subflow->request_mptcp && mptcp_token_new_connect(ssock->sk))  in mptcp_stream_connect()
2543 	err = ssock->ops->connect(ssock, uaddr, addr_len, flags);  in mptcp_stream_connect()
2544 	sock->state = ssock->state;  in mptcp_stream_connect()
2550 		mptcp_copy_inaddrs(sock->sk, ssock->sk);  in mptcp_stream_connect()
2552 		inet_sk_state_store(sock->sk, inet_sk_state_load(ssock->sk));  in mptcp_stream_connect()
2562 	struct socket *ssock;  in mptcp_listen()  local
2568 	ssock = __mptcp_nmpc_socket(msk);  in mptcp_listen()
2569 	if (!ssock) {  in mptcp_listen()
2578 	err = ssock->ops->listen(ssock, backlog);  in mptcp_listen()
2579 	inet_sk_state_store(sock->sk, inet_sk_state_load(ssock->sk));  in mptcp_listen()
2581 		mptcp_copy_inaddrs(sock->sk, ssock->sk);  in mptcp_listen()
2592 	struct socket *ssock;  in mptcp_stream_accept()  local
2601 	ssock = __mptcp_nmpc_socket(msk);  in mptcp_stream_accept()
2602 	if (!ssock)  in mptcp_stream_accept()
2606 	sock_hold(ssock->sk);  in mptcp_stream_accept()
2609 	err = ssock->ops->accept(sock, newsock, flags, kern);  in mptcp_stream_accept()
2626 	if (inet_csk_listen_poll(ssock->sk))  in mptcp_stream_accept()
2628 	sock_put(ssock->sk);  in mptcp_stream_accept()