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);
830 	struct ppp_net *pn;  in ppp_unattached_ioctl()  local
855 		pn = ppp_pernet(net);  in ppp_unattached_ioctl()
856 		mutex_lock(&pn->all_ppp_mutex);  in ppp_unattached_ioctl()
857 		ppp = ppp_find_unit(pn, unit);  in ppp_unattached_ioctl()
863 		mutex_unlock(&pn->all_ppp_mutex);  in ppp_unattached_ioctl()
870 		pn = ppp_pernet(net);  in ppp_unattached_ioctl()
871 		spin_lock_bh(&pn->all_channels_lock);  in ppp_unattached_ioctl()
872 		chan = ppp_find_channel(pn, unit);  in ppp_unattached_ioctl()
878 		spin_unlock_bh(&pn->all_channels_lock);  in ppp_unattached_ioctl()
901 	struct ppp_net *pn = net_generic(net, ppp_net_id);  in ppp_init_net()  local
903 	idr_init(&pn->units_idr);  in ppp_init_net()
904 	mutex_init(&pn->all_ppp_mutex);  in ppp_init_net()
906 	INIT_LIST_HEAD(&pn->all_channels);  in ppp_init_net()
907 	INIT_LIST_HEAD(&pn->new_channels);  in ppp_init_net()
909 	spin_lock_init(&pn->all_channels_lock);  in ppp_init_net()
916 	struct ppp_net *pn = net_generic(net, ppp_net_id);  in ppp_exit_net()  local
918 	idr_destroy(&pn->units_idr);  in ppp_exit_net()
2237 	struct ppp_net *pn;  in ppp_register_net_channel()  local
2243 	pn = ppp_pernet(net);  in ppp_register_net_channel()
2258 	spin_lock_bh(&pn->all_channels_lock);  in ppp_register_net_channel()
2259 	pch->file.index = ++pn->last_channel_index;  in ppp_register_net_channel()
2260 	list_add(&pch->list, &pn->new_channels);  in ppp_register_net_channel()
2262 	spin_unlock_bh(&pn->all_channels_lock);  in ppp_register_net_channel()
2322 	struct ppp_net *pn;  in ppp_unregister_channel()  local
2340 	pn = ppp_pernet(pch->chan_net);  in ppp_unregister_channel()
2341 	spin_lock_bh(&pn->all_channels_lock);  in ppp_unregister_channel()
2343 	spin_unlock_bh(&pn->all_channels_lock);  in ppp_unregister_channel()
2672 	struct ppp_net *pn;  in ppp_create_interface()  local
2682 	pn = ppp_pernet(net);  in ppp_create_interface()
2709 	mutex_lock(&pn->all_ppp_mutex);  in ppp_create_interface()
2712 		unit = unit_get(&pn->units_idr, ppp);  in ppp_create_interface()
2719 		if (unit_find(&pn->units_idr, unit))  in ppp_create_interface()
2730 		unit = unit_set(&pn->units_idr, ppp, unit);  in ppp_create_interface()
2741 		unit_put(&pn->units_idr, unit);  in ppp_create_interface()
2750 	mutex_unlock(&pn->all_ppp_mutex);  in ppp_create_interface()
2756 	mutex_unlock(&pn->all_ppp_mutex);  in ppp_create_interface()
2782 	struct ppp_net *pn;  in ppp_shutdown_interface()  local
2784 	pn = ppp_pernet(ppp->ppp_net);  in ppp_shutdown_interface()
2785 	mutex_lock(&pn->all_ppp_mutex);  in ppp_shutdown_interface()
2793 		unit_put(&pn->units_idr, ppp->file.index);  in ppp_shutdown_interface()
2801 	mutex_unlock(&pn->all_ppp_mutex);  in ppp_shutdown_interface()
2853 ppp_find_unit(struct ppp_net *pn, int unit)  in ppp_find_unit()  argument
2855 	return unit_find(&pn->units_idr, unit);  in ppp_find_unit()
2867 ppp_find_channel(struct ppp_net *pn, int unit)  in ppp_find_channel()  argument
2871 	list_for_each_entry(pch, &pn->new_channels, list) {  in ppp_find_channel()
2873 			list_move(&pch->list, &pn->all_channels);  in ppp_find_channel()
2878 	list_for_each_entry(pch, &pn->all_channels, list) {  in ppp_find_channel()
2893 	struct ppp_net *pn;  in ppp_connect_channel()  local
2897 	pn = ppp_pernet(pch->chan_net);  in ppp_connect_channel()
2899 	mutex_lock(&pn->all_ppp_mutex);  in ppp_connect_channel()
2900 	ppp = ppp_find_unit(pn, unit);  in ppp_connect_channel()
2924 	mutex_unlock(&pn->all_ppp_mutex);  in ppp_connect_channel()