276 static struct ppp *ppp_find_unit(struct ppp_net *pn, int unit);
277 static struct channel *ppp_find_channel(struct ppp_net *pn, int unit);
840 	struct ppp_net *pn;  in ppp_unattached_ioctl()  local
863 		pn = ppp_pernet(net);  in ppp_unattached_ioctl()
864 		mutex_lock(&pn->all_ppp_mutex);  in ppp_unattached_ioctl()
865 		ppp = ppp_find_unit(pn, unit);  in ppp_unattached_ioctl()
871 		mutex_unlock(&pn->all_ppp_mutex);  in ppp_unattached_ioctl()
878 		pn = ppp_pernet(net);  in ppp_unattached_ioctl()
879 		spin_lock_bh(&pn->all_channels_lock);  in ppp_unattached_ioctl()
880 		chan = ppp_find_channel(pn, unit);  in ppp_unattached_ioctl()
886 		spin_unlock_bh(&pn->all_channels_lock);  in ppp_unattached_ioctl()
909 	struct ppp_net *pn = net_generic(net, ppp_net_id);  in ppp_init_net()  local
911 	idr_init(&pn->units_idr);  in ppp_init_net()
912 	mutex_init(&pn->all_ppp_mutex);  in ppp_init_net()
914 	INIT_LIST_HEAD(&pn->all_channels);  in ppp_init_net()
915 	INIT_LIST_HEAD(&pn->new_channels);  in ppp_init_net()
917 	spin_lock_init(&pn->all_channels_lock);  in ppp_init_net()
924 	struct ppp_net *pn = net_generic(net, ppp_net_id);  in ppp_exit_net()  local
937 	idr_for_each_entry(&pn->units_idr, ppp, id)  in ppp_exit_net()
945 	idr_destroy(&pn->units_idr);  in ppp_exit_net()
1120 	struct ppp_net *pn = ppp_pernet(ppp->ppp_net);  in ppp_dev_uninit()  local
1126 	mutex_lock(&pn->all_ppp_mutex);  in ppp_dev_uninit()
1127 	unit_put(&pn->units_idr, ppp->file.index);  in ppp_dev_uninit()
1128 	mutex_unlock(&pn->all_ppp_mutex);  in ppp_dev_uninit()
2286 	struct ppp_net *pn;  in ppp_register_net_channel()  local
2292 	pn = ppp_pernet(net);  in ppp_register_net_channel()
2307 	spin_lock_bh(&pn->all_channels_lock);  in ppp_register_net_channel()
2308 	pch->file.index = ++pn->last_channel_index;  in ppp_register_net_channel()
2309 	list_add(&pch->list, &pn->new_channels);  in ppp_register_net_channel()
2311 	spin_unlock_bh(&pn->all_channels_lock);  in ppp_register_net_channel()
2371 	struct ppp_net *pn;  in ppp_unregister_channel()  local
2389 	pn = ppp_pernet(pch->chan_net);  in ppp_unregister_channel()
2390 	spin_lock_bh(&pn->all_channels_lock);  in ppp_unregister_channel()
2392 	spin_unlock_bh(&pn->all_channels_lock);  in ppp_unregister_channel()
2723 	struct ppp_net *pn;  in ppp_create_interface()  local
2733 	pn = ppp_pernet(net);  in ppp_create_interface()
2762 	mutex_lock(&pn->all_ppp_mutex);  in ppp_create_interface()
2765 		unit = unit_get(&pn->units_idr, ppp);  in ppp_create_interface()
2772 		if (unit_find(&pn->units_idr, unit))  in ppp_create_interface()
2783 		unit = unit_set(&pn->units_idr, ppp, unit);  in ppp_create_interface()
2794 		unit_put(&pn->units_idr, unit);  in ppp_create_interface()
2803 	mutex_unlock(&pn->all_ppp_mutex);  in ppp_create_interface()
2810 	mutex_unlock(&pn->all_ppp_mutex);  in ppp_create_interface()
2880 ppp_find_unit(struct ppp_net *pn, int unit)  in ppp_find_unit()  argument
2882 	return unit_find(&pn->units_idr, unit);  in ppp_find_unit()
2894 ppp_find_channel(struct ppp_net *pn, int unit)  in ppp_find_channel()  argument
2898 	list_for_each_entry(pch, &pn->new_channels, list) {  in ppp_find_channel()
2900 			list_move(&pch->list, &pn->all_channels);  in ppp_find_channel()
2905 	list_for_each_entry(pch, &pn->all_channels, list) {  in ppp_find_channel()
2920 	struct ppp_net *pn;  in ppp_connect_channel()  local
2924 	pn = ppp_pernet(pch->chan_net);  in ppp_connect_channel()
2926 	mutex_lock(&pn->all_ppp_mutex);  in ppp_connect_channel()
2927 	ppp = ppp_find_unit(pn, unit);  in ppp_connect_channel()
2951 	mutex_unlock(&pn->all_ppp_mutex);  in ppp_connect_channel()