173 	struct sock *sk = (struct sock *) chan->private;  in pptp_xmit()  local
174 	struct pppox_sock *po = pppox_sk(sk);  in pptp_xmit()
175 	struct net *net = sock_net(sk);  in pptp_xmit()
212 		if (skb->sk)  in pptp_xmit()
213 			skb_set_owner_w(new_skb, skb->sk);  in pptp_xmit()
269 	if (ip_dont_fragment(sk, &rt->dst))  in pptp_xmit()
289 	ip_local_out(net, skb->sk, skb);  in pptp_xmit()
297 static int pptp_rcv_core(struct sock *sk, struct sk_buff *skb)  in pptp_rcv_core()  argument
299 	struct pppox_sock *po = pppox_sk(sk);  in pptp_rcv_core()
305 	if (!(sk->sk_state & PPPOX_CONNECTED)) {  in pptp_rcv_core()
306 		if (sock_queue_rcv_skb(sk, skb))  in pptp_rcv_core()
419 	struct sock *sk = sock->sk;  in pptp_bind()  local
421 	struct pppox_sock *po = pppox_sk(sk);  in pptp_bind()
427 	lock_sock(sk);  in pptp_bind()
429 	if (sk->sk_state & PPPOX_DEAD) {  in pptp_bind()
434 	if (sk->sk_state & PPPOX_BOUND) {  in pptp_bind()
442 		sk->sk_state |= PPPOX_BOUND;  in pptp_bind()
445 	release_sock(sk);  in pptp_bind()
452 	struct sock *sk = sock->sk;  in pptp_connect()  local
454 	struct pppox_sock *po = pppox_sk(sk);  in pptp_connect()
469 	lock_sock(sk);  in pptp_connect()
471 	if (sk->sk_state & PPPOX_CONNECTED) {  in pptp_connect()
477 	if (sk->sk_state & PPPOX_DEAD) {  in pptp_connect()
487 	po->chan.private = sk;  in pptp_connect()
490 	rt = ip_route_output_ports(sock_net(sk), &fl4, sk,  in pptp_connect()
494 				   IPPROTO_GRE, RT_CONN_FLAGS(sk), 0);  in pptp_connect()
499 	sk_setup_caps(sk, &rt->dst);  in pptp_connect()
514 	sk->sk_state |= PPPOX_CONNECTED;  in pptp_connect()
517 	release_sock(sk);  in pptp_connect()
531 	sp.sa_addr.pptp = pppox_sk(sock->sk)->proto.pptp.src_addr;  in pptp_getname()
542 	struct sock *sk = sock->sk;  in pptp_release()  local
547 	if (!sk)  in pptp_release()
550 	lock_sock(sk);  in pptp_release()
552 	if (sock_flag(sk, SOCK_DEAD)) {  in pptp_release()
553 		release_sock(sk);  in pptp_release()
557 	po = pppox_sk(sk);  in pptp_release()
561 	pppox_unbind_sock(sk);  in pptp_release()
562 	sk->sk_state = PPPOX_DEAD;  in pptp_release()
564 	sock_orphan(sk);  in pptp_release()
565 	sock->sk = NULL;  in pptp_release()
567 	release_sock(sk);  in pptp_release()
568 	sock_put(sk);  in pptp_release()
573 static void pptp_sock_destruct(struct sock *sk)  in pptp_sock_destruct()  argument
575 	if (!(sk->sk_state & PPPOX_DEAD)) {  in pptp_sock_destruct()
576 		del_chan(pppox_sk(sk));  in pptp_sock_destruct()
577 		pppox_unbind_sock(sk);  in pptp_sock_destruct()
579 	skb_queue_purge(&sk->sk_receive_queue);  in pptp_sock_destruct()
580 	dst_release(rcu_dereference_protected(sk->sk_dst_cache, 1));  in pptp_sock_destruct()
586 	struct sock *sk;  in pptp_create()  local
590 	sk = sk_alloc(net, PF_PPPOX, GFP_KERNEL, &pptp_sk_proto, kern);  in pptp_create()
591 	if (!sk)  in pptp_create()
594 	sock_init_data(sock, sk);  in pptp_create()
599 	sk->sk_backlog_rcv = pptp_rcv_core;  in pptp_create()
600 	sk->sk_state       = PPPOX_NONE;  in pptp_create()
601 	sk->sk_type        = SOCK_STREAM;  in pptp_create()
602 	sk->sk_family      = PF_PPPOX;  in pptp_create()
603 	sk->sk_protocol    = PX_PROTO_PPTP;  in pptp_create()
604 	sk->sk_destruct    = pptp_sock_destruct;  in pptp_create()
606 	po = pppox_sk(sk);  in pptp_create()
620 	struct sock *sk = (struct sock *) chan->private;  in pptp_ppp_ioctl()  local
621 	struct pppox_sock *po = pppox_sk(sk);  in pptp_ppp_ioctl()