272 static struct ppp *ppp_create_interface(struct net *net, int unit, int *retp);
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);
571 	int unit, cflags;  in ppp_ioctl()  local
618 			if (get_user(unit, p))  in ppp_ioctl()
620 			err = ppp_connect_channel(pch, unit);  in ppp_ioctl()
827 	int unit, err = -EFAULT;  in ppp_unattached_ioctl()  local
837 		if (get_user(unit, p))  in ppp_unattached_ioctl()
839 		ppp = ppp_create_interface(net, unit, &err);  in ppp_unattached_ioctl()
852 		if (get_user(unit, p))  in ppp_unattached_ioctl()
857 		ppp = ppp_find_unit(pn, unit);  in ppp_unattached_ioctl()
867 		if (get_user(unit, p))  in ppp_unattached_ioctl()
872 		chan = ppp_find_channel(pn, unit);  in ppp_unattached_ioctl()
2285 	int unit = -1;  in ppp_unit_number()  local
2290 			unit = pch->ppp->file.index;  in ppp_unit_number()
2293 	return unit;  in ppp_unit_number()
2669 ppp_create_interface(struct net *net, int unit, int *retp)  in ppp_create_interface()  argument
2711 	if (unit < 0) {  in ppp_create_interface()
2712 		unit = unit_get(&pn->units_idr, ppp);  in ppp_create_interface()
2713 		if (unit < 0) {  in ppp_create_interface()
2714 			ret = unit;  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()
2731 		if (unit < 0)  in ppp_create_interface()
2736 	ppp->file.index = unit;  in ppp_create_interface()
2737 	sprintf(dev->name, "ppp%d", unit);  in ppp_create_interface()
2741 		unit_put(&pn->units_idr, unit);  in ppp_create_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
2872 		if (pch->file.index == unit) {  in ppp_find_channel()
2879 		if (pch->file.index == unit)  in ppp_find_channel()
2890 ppp_connect_channel(struct channel *pch, int unit)  in ppp_connect_channel()  argument
2900 	ppp = ppp_find_unit(pn, unit);  in ppp_connect_channel()
2991 	int unit;  in unit_set()  local
2993 	unit = idr_alloc(p, ptr, n, n + 1, GFP_KERNEL);  in unit_set()
2994 	if (unit == -ENOSPC)  in unit_set()
2995 		unit = -EINVAL;  in unit_set()
2996 	return unit;  in unit_set()