272 static struct ppp *ppp_create_interface(struct net *net, int unit,
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);
278 static int ppp_connect_channel(struct channel *pch, int unit);
575 	int unit, cflags;  in ppp_ioctl()  local
626 			if (get_user(unit, p))  in ppp_ioctl()
628 			err = ppp_connect_channel(pch, unit);  in ppp_ioctl()
837 	int unit, err = -EFAULT;  in ppp_unattached_ioctl()  local
846 		if (get_user(unit, p))  in ppp_unattached_ioctl()
848 		ppp = ppp_create_interface(net, unit, file, &err);  in ppp_unattached_ioctl()
860 		if (get_user(unit, p))  in ppp_unattached_ioctl()
865 		ppp = ppp_find_unit(pn, unit);  in ppp_unattached_ioctl()
875 		if (get_user(unit, p))  in ppp_unattached_ioctl()
880 		chan = ppp_find_channel(pn, unit);  in ppp_unattached_ioctl()
2334 	int unit = -1;  in ppp_unit_number()  local
2339 			unit = pch->ppp->file.index;  in ppp_unit_number()
2342 	return unit;  in ppp_unit_number()
2719 static struct ppp *ppp_create_interface(struct net *net, int unit,  in ppp_create_interface()  argument
2764 	if (unit < 0) {  in ppp_create_interface()
2765 		unit = unit_get(&pn->units_idr, ppp);  in ppp_create_interface()
2766 		if (unit < 0) {  in ppp_create_interface()
2767 			ret = unit;  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()
2784 		if (unit < 0)  in ppp_create_interface()
2789 	ppp->file.index = unit;  in ppp_create_interface()
2790 	sprintf(dev->name, "ppp%d", unit);  in ppp_create_interface()
2794 		unit_put(&pn->units_idr, unit);  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
2899 		if (pch->file.index == unit) {  in ppp_find_channel()
2906 		if (pch->file.index == unit)  in ppp_find_channel()
2917 ppp_connect_channel(struct channel *pch, int unit)  in ppp_connect_channel()  argument
2927 	ppp = ppp_find_unit(pn, unit);  in ppp_connect_channel()
3018 	int unit;  in unit_set()  local
3020 	unit = idr_alloc(p, ptr, n, n + 1, GFP_KERNEL);  in unit_set()
3021 	if (unit == -ENOSPC)  in unit_set()
3022 		unit = -EINVAL;  in unit_set()
3023 	return unit;  in unit_set()