738     int bus_id, unit_id;  in drive_init()  local
764     unit_id = -1;  in drive_init()
791         unit_id = strtol(buf, NULL, 0);  in drive_init()
792 	if (unit_id < 0) {  in drive_init()
969         if (bus_id != 0 || unit_id != -1) {  in drive_init()
976             unit_id = index;  in drive_init()
979             unit_id = index % max_devs;  in drive_init()
988     if (unit_id == -1) {  in drive_init()
989        unit_id = 0;  in drive_init()
990        while (drive_get_index(type, bus_id, unit_id) != -1) {  in drive_init()
991            unit_id++;  in drive_init()
992            if (max_devs && unit_id >= max_devs) {  in drive_init()
993                unit_id -= max_devs;  in drive_init()
1001     if (max_devs && unit_id >= max_devs) {  in drive_init()
1003                         str, unit_id, max_devs - 1);  in drive_init()
1011     if (drive_get_index(type, bus_id, unit_id) != -1)  in drive_init()
1020                  devname, bus_id, mediastr, unit_id);  in drive_init()
1023                  devname, mediastr, unit_id);  in drive_init()
1029     drives_table[drives_table_idx].unit = unit_id;  in drive_init()