140 	struct pppol2tp_session *ps = l2tp_session_priv(session);  in pppol2tp_session_get_sock()  local
144 	sk = rcu_dereference(ps->sk);  in pppol2tp_session_get_sock()
213 	struct pppol2tp_session *ps = l2tp_session_priv(session);  in pppol2tp_recv()  local
220 	sk = rcu_dereference(ps->sk);  in pppol2tp_recv()
405 	struct pppol2tp_session *ps;  in pppol2tp_put_sk()  local
407 	ps = container_of(head, typeof(*ps), rcu);  in pppol2tp_put_sk()
408 	sock_put(ps->__sk);  in pppol2tp_put_sk()
453 		struct pppol2tp_session *ps;  in pppol2tp_release()  local
457 		ps = l2tp_session_priv(session);  in pppol2tp_release()
458 		mutex_lock(&ps->sk_lock);  in pppol2tp_release()
459 		ps->__sk = rcu_dereference_protected(ps->sk,  in pppol2tp_release()
460 						     lockdep_is_held(&ps->sk_lock));  in pppol2tp_release()
461 		RCU_INIT_POINTER(ps->sk, NULL);  in pppol2tp_release()
462 		mutex_unlock(&ps->sk_lock);  in pppol2tp_release()
463 		call_rcu(&ps->rcu, pppol2tp_put_sk);  in pppol2tp_release()
548 	struct pppol2tp_session *ps;  in pppol2tp_session_init()  local
554 	ps = l2tp_session_priv(session);  in pppol2tp_session_init()
555 	mutex_init(&ps->sk_lock);  in pppol2tp_session_init()
556 	ps->owner = current->pid;  in pppol2tp_session_init()
669 	struct pppol2tp_session *ps;  in pppol2tp_connect()  local
762 		ps = l2tp_session_priv(session);  in pppol2tp_connect()
767 		mutex_lock(&ps->sk_lock);  in pppol2tp_connect()
768 		if (rcu_dereference_protected(ps->sk,  in pppol2tp_connect()
769 					      lockdep_is_held(&ps->sk_lock)) ||  in pppol2tp_connect()
770 		    ps->__sk) {  in pppol2tp_connect()
771 			mutex_unlock(&ps->sk_lock);  in pppol2tp_connect()
787 		ps = l2tp_session_priv(session);  in pppol2tp_connect()
790 		mutex_lock(&ps->sk_lock);  in pppol2tp_connect()
793 			mutex_unlock(&ps->sk_lock);  in pppol2tp_connect()
824 		mutex_unlock(&ps->sk_lock);  in pppol2tp_connect()
831 	rcu_assign_pointer(ps->sk, sk);  in pppol2tp_connect()
832 	mutex_unlock(&ps->sk_lock);  in pppol2tp_connect()