This patch decreases 39 lines of divergences.
There is object length returned by acpi_ut_get_simple_object_size() hasn't
been rounded up to the word boundary.
This patch merges fix from ACPICA upstream as such enhacement already has
been done in ACPICA upstream.
Signed-off-by: Lv Zheng <lv.zheng@xxxxxxxxx>
---
drivers/acpi/acpica/utobject.c | 23 +++++++++++++----------
1 file changed, 13 insertions(+), 10 deletions(-)
diff --git a/drivers/acpi/acpica/utobject.c b/drivers/acpi/acpica/utobject.c
index aa61f66..cddb0ef 100644
--- a/drivers/acpi/acpica/utobject.c
+++ b/drivers/acpi/acpica/utobject.c
@@ -461,25 +461,28 @@ acpi_ut_get_simple_object_size(union acpi_operand_object *internal_object,
ACPI_FUNCTION_TRACE_PTR(ut_get_simple_object_size, internal_object);
+ /* Start with the length of the (external) Acpi object */
+
+ length = sizeof(union acpi_object);
+
+ /* A NULL object is allowed, can be a legal uninitialized package element */
+
+ if (!internal_object) {
/*
- * Handle a null object (Could be a uninitialized package
- * element -- which is legal)
+ * Object is NULL, just return the length of union acpi_object
+ * (A NULL union acpi_object is an object of all zeroes.)
*/
- if (!internal_object) {
- *obj_length = sizeof(union acpi_object);
+ *obj_length = ACPI_ROUND_UP_TO_NATIVE_WORD(length);
return_ACPI_STATUS(AE_OK);
}
- /* Start with the length of the Acpi object */
-
- length = sizeof(union acpi_object);
+ /* A Namespace Node should never appear here */
if (ACPI_GET_DESCRIPTOR_TYPE(internal_object) == ACPI_DESC_TYPE_NAMED) {
- /* Object is a named object (reference), just return the length */
+ /* A namespace node should never get here */
- *obj_length = ACPI_ROUND_UP_TO_NATIVE_WORD(length);
- return_ACPI_STATUS(status);
+ return_ACPI_STATUS(AE_AML_INTERNAL);
}
/*
--
1.7.10
--
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