135 	struct sock *sk = &po->sk;  in pptp_route_output()  local
138 	net = sock_net(sk);  in pptp_route_output()
139 	flowi4_init_output(fl4, sk->sk_bound_dev_if, sk->sk_mark, 0,  in pptp_route_output()
143 			   0, 0, sock_net_uid(net, sk));  in pptp_route_output()
144 	security_sk_classify_flow(sk, flowi4_to_flowi_common(fl4));  in pptp_route_output()
146 	return ip_route_output_flow(net, fl4, sk);  in pptp_route_output()
151 	struct sock *sk = (struct sock *) chan->private;  in pptp_xmit()  local
152 	struct pppox_sock *po = pppox_sk(sk);  in pptp_xmit()
153 	struct net *net = sock_net(sk);  in pptp_xmit()
186 		if (skb->sk)  in pptp_xmit()
187 			skb_set_owner_w(new_skb, skb->sk);  in pptp_xmit()
241 	if (ip_dont_fragment(sk, &rt->dst))  in pptp_xmit()
261 	ip_local_out(net, skb->sk, skb);  in pptp_xmit()
269 static int pptp_rcv_core(struct sock *sk, struct sk_buff *skb)  in pptp_rcv_core()  argument
271 	struct pppox_sock *po = pppox_sk(sk);  in pptp_rcv_core()
277 	if (!(sk->sk_state & PPPOX_CONNECTED)) {  in pptp_rcv_core()
278 		if (sock_queue_rcv_skb(sk, skb))  in pptp_rcv_core()
384 	struct sock *sk = sock->sk;  in pptp_bind()  local
386 	struct pppox_sock *po = pppox_sk(sk);  in pptp_bind()
392 	lock_sock(sk);  in pptp_bind()
394 	if (sk->sk_state & PPPOX_DEAD) {  in pptp_bind()
399 	if (sk->sk_state & PPPOX_BOUND) {  in pptp_bind()
407 		sk->sk_state |= PPPOX_BOUND;  in pptp_bind()
410 	release_sock(sk);  in pptp_bind()
417 	struct sock *sk = sock->sk;  in pptp_connect()  local
419 	struct pppox_sock *po = pppox_sk(sk);  in pptp_connect()
434 	lock_sock(sk);  in pptp_connect()
436 	if (sk->sk_state & PPPOX_CONNECTED) {  in pptp_connect()
442 	if (sk->sk_state & PPPOX_DEAD) {  in pptp_connect()
452 	po->chan.private = sk;  in pptp_connect()
460 	sk_setup_caps(sk, &rt->dst);  in pptp_connect()
475 	sk->sk_state |= PPPOX_CONNECTED;  in pptp_connect()
478 	release_sock(sk);  in pptp_connect()
492 	sp.sa_addr.pptp = pppox_sk(sock->sk)->proto.pptp.src_addr;  in pptp_getname()
501 	struct sock *sk = sock->sk;  in pptp_release()  local
505 	if (!sk)  in pptp_release()
508 	lock_sock(sk);  in pptp_release()
510 	if (sock_flag(sk, SOCK_DEAD)) {  in pptp_release()
511 		release_sock(sk);  in pptp_release()
515 	po = pppox_sk(sk);  in pptp_release()
519 	pppox_unbind_sock(sk);  in pptp_release()
520 	sk->sk_state = PPPOX_DEAD;  in pptp_release()
522 	sock_orphan(sk);  in pptp_release()
523 	sock->sk = NULL;  in pptp_release()
525 	release_sock(sk);  in pptp_release()
526 	sock_put(sk);  in pptp_release()
531 static void pptp_sock_destruct(struct sock *sk)  in pptp_sock_destruct()  argument
533 	if (!(sk->sk_state & PPPOX_DEAD)) {  in pptp_sock_destruct()
534 		del_chan(pppox_sk(sk));  in pptp_sock_destruct()
535 		pppox_unbind_sock(sk);  in pptp_sock_destruct()
537 	skb_queue_purge(&sk->sk_receive_queue);  in pptp_sock_destruct()
538 	dst_release(rcu_dereference_protected(sk->sk_dst_cache, 1));  in pptp_sock_destruct()
544 	struct sock *sk;  in pptp_create()  local
548 	sk = sk_alloc(net, PF_PPPOX, GFP_KERNEL, &pptp_sk_proto, kern);  in pptp_create()
549 	if (!sk)  in pptp_create()
552 	sock_init_data(sock, sk);  in pptp_create()
557 	sk->sk_backlog_rcv = pptp_rcv_core;  in pptp_create()
558 	sk->sk_state       = PPPOX_NONE;  in pptp_create()
559 	sk->sk_type        = SOCK_STREAM;  in pptp_create()
560 	sk->sk_family      = PF_PPPOX;  in pptp_create()
561 	sk->sk_protocol    = PX_PROTO_PPTP;  in pptp_create()
562 	sk->sk_destruct    = pptp_sock_destruct;  in pptp_create()
564 	po = pppox_sk(sk);  in pptp_create()
578 	struct sock *sk = (struct sock *) chan->private;  in pptp_ppp_ioctl()  local
579 	struct pppox_sock *po = pppox_sk(sk);  in pptp_ppp_ioctl()