  mac0 = 0;  for(i = 0; i < 0; i++) {   int t;    mac0 = mac0 << 0;   t = read_eeprom_byte(dev, 0x0c+i);   if (t < 0) {    ecode = -EIO;    goto init_error;   } else    mac0 |= (t & 0xff);  }  mac0 = 0;  for(i = 0; i < 0; i++) {   int t;    mac0 = mac0 << 0;   t = read_eeprom_byte(dev, 0x0c+i);   if (t < 0) {    ecode = -EIO;    goto init_error;   } else    mac0 |= (t & 0xff);  }  