ACPICA: Fix for possible error when packages/buffers are passed to methods externally
Fixed a problem where buffer and package objects passed as
arguments to a control method via the external AcpiEvaluateObject
interface could cause an AE_AML_INTERNAL exception depending on the
order and type of operators executed by the target control method.
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/utilities/utcopy.c b/drivers/acpi/utilities/utcopy.c
index 4c4021d..4e9a62b 100644
--- a/drivers/acpi/utilities/utcopy.c
+++ b/drivers/acpi/utilities/utcopy.c
@@ -511,6 +511,10 @@
external_object->buffer.length);
internal_object->buffer.length = external_object->buffer.length;
+
+ /* Mark buffer data valid */
+
+ internal_object->buffer.flags |= AOPOBJ_DATA_VALID;
break;
case ACPI_TYPE_INTEGER:
@@ -586,6 +590,10 @@
}
}
+ /* Mark package data valid */
+
+ package_object->package.flags |= AOPOBJ_DATA_VALID;
+
*internal_object = package_object;
return_ACPI_STATUS(status);
}