if ((bit_width != 8) && (bit_width != 16) && (bit_width != 32)) {
                ACPI_ERROR((AE_INFO,
                            "Bad BitWidth parameter: %8.8X", bit_width));
-               return_ACPI_STATUS(AE_BAD_PARAMETER);
+               return (AE_BAD_PARAMETER);
        }
 
        port_info = acpi_protected_ports;
                ACPI_ERROR((AE_INFO,
                            "Illegal I/O port address/length above 64K: %8.8X%8.8X/0x%X",
                            ACPI_FORMAT_UINT64(address), byte_width));
-               return_ACPI_STATUS(AE_LIMIT);
+               return (AE_LIMIT);
        }
 
        /* Exit if requested address is not within the protected port table */
 
        if (address > acpi_protected_ports[ACPI_PORT_INFO_ENTRIES - 1].end) {
-               return_ACPI_STATUS(AE_OK);
+               return (AE_OK);
        }
 
        /* Check request against the list of protected I/O ports */
                }
        }
 
-       return_ACPI_STATUS(AE_OK);
+       return (AE_OK);
 }
 
 /******************************************************************************