if (ACPI_ROUND_UP (rgn_desc->region.length,
obj_desc->common_field.access_byte_width) >=
(obj_desc->common_field.base_byte_offset +
- (acpi_native_uint) obj_desc->common_field.access_byte_width +
+ obj_desc->common_field.access_byte_width +
field_datum_byte_offset)) {
return_ACPI_STATUS (AE_OK);
}