rem: for (i = 0; i < n_scsi_units; i++) { if (scsi_units[i].bus == bus && scsi_units[i].id == id && scsi_units[i].lun == lun) { return &scsi_units[i];
add: for (i = 0; i < n_units; i++) { if (units[i].bus == bus && units[i].id == id && units[i].lun == lun) { return &units[i];
context: lookup_scsi_unit (int bus, int id, int lun,		  struct scsi_unit *scsi_units, int n_scsi_units){	int i;	for (i = 0; i < n_scsi_units; i++) {		if (scsi_units[i].bus == bus &&		    scsi_units[i].id == id &&		    scsi_units[i].lun == lun) {			return &scsi_units[i];		}	}	return NULL;}