801 	struct agp_region reserve;  in agpioc_reserve_wrap()  local
806 	if (copy_from_user(&reserve, arg, sizeof(struct agp_region)))  in agpioc_reserve_wrap()
809 	if ((unsigned) reserve.seg_count >= ~0U/sizeof(struct agp_segment))  in agpioc_reserve_wrap()
812 	client = agp_find_client_by_pid(reserve.pid);  in agpioc_reserve_wrap()
814 	if (reserve.seg_count == 0) {  in agpioc_reserve_wrap()
816 		client_priv = agp_find_private(reserve.pid);  in agpioc_reserve_wrap()
826 		return agp_remove_client(reserve.pid);  in agpioc_reserve_wrap()
830 		if (reserve.seg_count >= 16384)  in agpioc_reserve_wrap()
833 		segment = kmalloc((sizeof(struct agp_segment) * reserve.seg_count),  in agpioc_reserve_wrap()
839 		if (copy_from_user(segment, (void __user *) reserve.seg_list,  in agpioc_reserve_wrap()
840 				   sizeof(struct agp_segment) * reserve.seg_count)) {  in agpioc_reserve_wrap()
844 		reserve.seg_list = segment;  in agpioc_reserve_wrap()
848 			client = agp_create_client(reserve.pid);  in agpioc_reserve_wrap()
854 			client_priv = agp_find_private(reserve.pid);  in agpioc_reserve_wrap()
861 		return agp_create_segment(client, &reserve);  in agpioc_reserve_wrap()