151 static int alloc_netid(struct net *net, struct net *peer, int reqid)  in alloc_netid()  argument
162 	return idr_alloc(&net->netns_ids, peer, min, max, GFP_KERNEL);  in alloc_netid()
171 static int net_eq_idr(int id, void *net, void *peer)  in net_eq_idr()  argument
173 	if (net_eq(net, peer))  in net_eq_idr()
178 static int __peernet2id(struct net *net, struct net *peer, bool alloc)  in __peernet2id()  argument
180 	int id = idr_for_each(&net->netns_ids, net_eq_idr, peer);  in __peernet2id()
191 		return alloc_netid(net, peer, -1);  in __peernet2id()
199 int peernet2id(struct net *net, struct net *peer)  in peernet2id()  argument
201 	int id = __peernet2id(net, peer, true);  in peernet2id()
208 	struct net *peer;  in get_net_ns_by_id()  local
214 	peer = idr_find(&net->netns_ids, id);  in get_net_ns_by_id()
215 	if (peer)  in get_net_ns_by_id()
216 		get_net(peer);  in get_net_ns_by_id()
219 	return peer;  in get_net_ns_by_id()
495 	struct net *peer;  in rtnl_net_newid()  local
507 		peer = get_net_ns_by_pid(nla_get_u32(tb[NETNSA_PID]));  in rtnl_net_newid()
509 		peer = get_net_ns_by_fd(nla_get_u32(tb[NETNSA_FD]));  in rtnl_net_newid()
512 	if (IS_ERR(peer))  in rtnl_net_newid()
513 		return PTR_ERR(peer);  in rtnl_net_newid()
515 	if (__peernet2id(net, peer, false) >= 0) {  in rtnl_net_newid()
520 	err = alloc_netid(net, peer, nsid);  in rtnl_net_newid()
524 	put_net(peer);  in rtnl_net_newid()
536 			 int cmd, struct net *net, struct net *peer)  in rtnl_net_fill()  argument
551 	id = __peernet2id(net, peer, false);  in rtnl_net_fill()
571 	struct net *peer;  in rtnl_net_getid()  local
578 		peer = get_net_ns_by_pid(nla_get_u32(tb[NETNSA_PID]));  in rtnl_net_getid()
580 		peer = get_net_ns_by_fd(nla_get_u32(tb[NETNSA_FD]));  in rtnl_net_getid()
584 	if (IS_ERR(peer))  in rtnl_net_getid()
585 		return PTR_ERR(peer);  in rtnl_net_getid()
594 			    RTM_GETNSID, net, peer);  in rtnl_net_getid()
604 	put_net(peer);  in rtnl_net_getid()