90 static int sctp_sock_migrate(struct sock *oldsk, struct sock *newsk,
4735 	struct sock *newsk = NULL;  in sctp_accept()  local
4766 	newsk = sp->pf->create_accept_sk(sk, asoc, kern);  in sctp_accept()
4767 	if (!newsk) {  in sctp_accept()
4775 	error = sctp_sock_migrate(sk, newsk, asoc, SCTP_SOCKET_TCP);  in sctp_accept()
4777 		sk_common_release(newsk);  in sctp_accept()
4778 		newsk = NULL;  in sctp_accept()
4784 	return newsk;  in sctp_accept()
9184 void sctp_copy_sock(struct sock *newsk, struct sock *sk,  in sctp_copy_sock()  argument
9192 	newsk->sk_type = sk->sk_type;  in sctp_copy_sock()
9193 	newsk->sk_bound_dev_if = sk->sk_bound_dev_if;  in sctp_copy_sock()
9194 	newsk->sk_flags = sk->sk_flags;  in sctp_copy_sock()
9195 	newsk->sk_tsflags = sk->sk_tsflags;  in sctp_copy_sock()
9196 	newsk->sk_no_check_tx = sk->sk_no_check_tx;  in sctp_copy_sock()
9197 	newsk->sk_no_check_rx = sk->sk_no_check_rx;  in sctp_copy_sock()
9198 	newsk->sk_reuse = sk->sk_reuse;  in sctp_copy_sock()
9199 	sctp_sk(newsk)->reuse = sp->reuse;  in sctp_copy_sock()
9201 	newsk->sk_shutdown = sk->sk_shutdown;  in sctp_copy_sock()
9202 	newsk->sk_destruct = sk->sk_destruct;  in sctp_copy_sock()
9203 	newsk->sk_family = sk->sk_family;  in sctp_copy_sock()
9204 	newsk->sk_protocol = IPPROTO_SCTP;  in sctp_copy_sock()
9205 	newsk->sk_backlog_rcv = sk->sk_prot->backlog_rcv;  in sctp_copy_sock()
9206 	newsk->sk_sndbuf = sk->sk_sndbuf;  in sctp_copy_sock()
9207 	newsk->sk_rcvbuf = sk->sk_rcvbuf;  in sctp_copy_sock()
9208 	newsk->sk_lingertime = sk->sk_lingertime;  in sctp_copy_sock()
9209 	newsk->sk_rcvtimeo = sk->sk_rcvtimeo;  in sctp_copy_sock()
9210 	newsk->sk_sndtimeo = sk->sk_sndtimeo;  in sctp_copy_sock()
9211 	newsk->sk_rxhash = sk->sk_rxhash;  in sctp_copy_sock()
9213 	newinet = inet_sk(newsk);  in sctp_copy_sock()
9231 	if (newsk->sk_flags & SK_FLAGS_TIMESTAMP)  in sctp_copy_sock()
9237 	security_sctp_sk_clone(ep, sk, newsk);  in sctp_copy_sock()
9253 static int sctp_sock_migrate(struct sock *oldsk, struct sock *newsk,  in sctp_sock_migrate()  argument
9258 	struct sctp_sock *newsp = sctp_sk(newsk);  in sctp_sock_migrate()
9269 	newsk->sk_sndbuf = oldsk->sk_sndbuf;  in sctp_sock_migrate()
9270 	newsk->sk_rcvbuf = oldsk->sk_rcvbuf;  in sctp_sock_migrate()
9272 	sctp_copy_descendant(newsk, oldsk);  in sctp_sock_migrate()
9285 	sk_add_bind_node(newsk, &pp->owner);  in sctp_sock_migrate()
9286 	sctp_sk(newsk)->bind_hash = pp;  in sctp_sock_migrate()
9287 	inet_sk(newsk)->inet_num = inet_sk(oldsk)->inet_num;  in sctp_sock_migrate()
9317 			__skb_queue_tail(&newsk->sk_receive_queue, skb);  in sctp_sock_migrate()
9318 			sctp_skb_set_owner_r_frag(skb, newsk);  in sctp_sock_migrate()
9328 	atomic_set(&sctp_sk(newsk)->pd_mode, assoc->ulpq.pd_mode);  in sctp_sock_migrate()
9337 			queue = &newsk->sk_receive_queue;  in sctp_sock_migrate()
9347 				sctp_skb_set_owner_r_frag(skb, newsk);  in sctp_sock_migrate()
9359 	sctp_for_each_rx_skb(assoc, newsk, sctp_skb_set_owner_r_frag);  in sctp_sock_migrate()
9376 	lock_sock_nested(newsk, SINGLE_DEPTH_NESTING);  in sctp_sock_migrate()
9378 	sctp_assoc_migrate(assoc, newsk);  in sctp_sock_migrate()
9384 	if (sctp_state(assoc, CLOSED) && sctp_style(newsk, TCP)) {  in sctp_sock_migrate()
9385 		inet_sk_set_state(newsk, SCTP_SS_CLOSED);  in sctp_sock_migrate()
9386 		newsk->sk_shutdown |= RCV_SHUTDOWN;  in sctp_sock_migrate()
9388 		inet_sk_set_state(newsk, SCTP_SS_ESTABLISHED);  in sctp_sock_migrate()
9391 	release_sock(newsk);  in sctp_sock_migrate()