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-rw-r--r--drivers/acpi/executer/exfldio.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/acpi/executer/exfldio.c b/drivers/acpi/executer/exfldio.c
index e336b5dc7a5..9ff9d1f4615 100644
--- a/drivers/acpi/executer/exfldio.c
+++ b/drivers/acpi/executer/exfldio.c
@@ -153,14 +153,15 @@ acpi_ex_setup_region(union acpi_operand_object *obj_desc,
/*
* Slack mode only: We will go ahead and allow access to this
* field if it is within the region length rounded up to the next
- * access width boundary.
+ * access width boundary. acpi_size cast for 64-bit compile.
*/
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 + field_datum_byte_offset)) {
+ ((acpi_size) obj_desc->common_field.
+ base_byte_offset +
+ obj_desc->common_field.access_byte_width +
+ field_datum_byte_offset)) {
return_ACPI_STATUS(AE_OK);
}
}