175 	struct sock *sk = (struct sock *) chan->private;  in pptp_xmit()  local
176 	struct pppox_sock *po = pppox_sk(sk);  in pptp_xmit()
195 	rt = ip_route_output_ports(sock_net(sk), &fl4, NULL,  in pptp_xmit()
213 		if (skb->sk)  in pptp_xmit()
214 			skb_set_owner_w(new_skb, skb->sk);  in pptp_xmit()
270 	if (ip_dont_fragment(sk, &rt->dst))  in pptp_xmit()
287 	ip_select_ident(sock_net(sk), skb, NULL);  in pptp_xmit()
298 static int pptp_rcv_core(struct sock *sk, struct sk_buff *skb)  in pptp_rcv_core()  argument
300 	struct pppox_sock *po = pppox_sk(sk);  in pptp_rcv_core()
306 	if (!(sk->sk_state & PPPOX_CONNECTED)) {  in pptp_rcv_core()
307 		if (sock_queue_rcv_skb(sk, skb))  in pptp_rcv_core()
420 	struct sock *sk = sock->sk;  in pptp_bind()  local
422 	struct pppox_sock *po = pppox_sk(sk);  in pptp_bind()
428 	lock_sock(sk);  in pptp_bind()
430 	if (sk->sk_state & PPPOX_DEAD) {  in pptp_bind()
435 	if (sk->sk_state & PPPOX_BOUND) {  in pptp_bind()
443 		sk->sk_state |= PPPOX_BOUND;  in pptp_bind()
446 	release_sock(sk);  in pptp_bind()
453 	struct sock *sk = sock->sk;  in pptp_connect()  local
455 	struct pppox_sock *po = pppox_sk(sk);  in pptp_connect()
470 	lock_sock(sk);  in pptp_connect()
472 	if (sk->sk_state & PPPOX_CONNECTED) {  in pptp_connect()
478 	if (sk->sk_state & PPPOX_DEAD) {  in pptp_connect()
488 	po->chan.private = sk;  in pptp_connect()
491 	rt = ip_route_output_ports(sock_net(sk), &fl4, sk,  in pptp_connect()
495 				   IPPROTO_GRE, RT_CONN_FLAGS(sk), 0);  in pptp_connect()
500 	sk_setup_caps(sk, &rt->dst);  in pptp_connect()
516 	sk->sk_state |= PPPOX_CONNECTED;  in pptp_connect()
519 	release_sock(sk);  in pptp_connect()
533 	sp.sa_addr.pptp = pppox_sk(sock->sk)->proto.pptp.src_addr;  in pptp_getname()
544 	struct sock *sk = sock->sk;  in pptp_release()  local
549 	if (!sk)  in pptp_release()
552 	lock_sock(sk);  in pptp_release()
554 	if (sock_flag(sk, SOCK_DEAD)) {  in pptp_release()
555 		release_sock(sk);  in pptp_release()
559 	po = pppox_sk(sk);  in pptp_release()
563 	pppox_unbind_sock(sk);  in pptp_release()
564 	sk->sk_state = PPPOX_DEAD;  in pptp_release()
566 	sock_orphan(sk);  in pptp_release()
567 	sock->sk = NULL;  in pptp_release()
569 	release_sock(sk);  in pptp_release()
570 	sock_put(sk);  in pptp_release()
575 static void pptp_sock_destruct(struct sock *sk)  in pptp_sock_destruct()  argument
577 	if (!(sk->sk_state & PPPOX_DEAD)) {  in pptp_sock_destruct()
578 		del_chan(pppox_sk(sk));  in pptp_sock_destruct()
579 		pppox_unbind_sock(sk);  in pptp_sock_destruct()
581 	skb_queue_purge(&sk->sk_receive_queue);  in pptp_sock_destruct()
587 	struct sock *sk;  in pptp_create()  local
591 	sk = sk_alloc(net, PF_PPPOX, GFP_KERNEL, &pptp_sk_proto);  in pptp_create()
592 	if (!sk)  in pptp_create()
595 	sock_init_data(sock, sk);  in pptp_create()
600 	sk->sk_backlog_rcv = pptp_rcv_core;  in pptp_create()
601 	sk->sk_state       = PPPOX_NONE;  in pptp_create()
602 	sk->sk_type        = SOCK_STREAM;  in pptp_create()
603 	sk->sk_family      = PF_PPPOX;  in pptp_create()
604 	sk->sk_protocol    = PX_PROTO_PPTP;  in pptp_create()
605 	sk->sk_destruct    = pptp_sock_destruct;  in pptp_create()
607 	po = pppox_sk(sk);  in pptp_create()
621 	struct sock *sk = (struct sock *) chan->private;  in pptp_ppp_ioctl()  local
622 	struct pppox_sock *po = pppox_sk(sk);  in pptp_ppp_ioctl()