ACPICA: _CST repair: Handle null package entries
Sort package only after null/bad elements have been removed.
Fixes a problem where the _CST sort was performed too early. This
change sorts the package only after null/bad elements have been
removed.
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/drivers/acpi/acpica/nsrepair2.c b/drivers/acpi/acpica/nsrepair2.c
index 029816e..c84603e 100644
--- a/drivers/acpi/acpica/nsrepair2.c
+++ b/drivers/acpi/acpica/nsrepair2.c
@@ -452,18 +452,7 @@
ACPI_FUNCTION_NAME(ns_repair_CST);
/*
- * Entries (subpackages) in the _CST Package must be sorted by the
- * C-state type, in ascending order.
- */
- status = acpi_ns_check_sorted_list(info, return_object, 1, 4, 1,
- ACPI_SORT_ASCENDING, "C-State Type");
- if (ACPI_FAILURE(status)) {
- return (status);
- }
-
- /*
- * We now know the list is correctly sorted by C-state type. Check if
- * the C-state type values are proportional.
+ * Check if the C-state type values are proportional.
*/
outer_element_count = return_object->package.count - 1;
i = 0;
@@ -502,6 +491,17 @@
obj_desc = return_object->package.elements[0];
obj_desc->integer.value = outer_element_count;
+
+ /*
+ * Entries (subpackages) in the _CST Package must be sorted by the
+ * C-state type, in ascending order.
+ */
+ status = acpi_ns_check_sorted_list(info, return_object, 1, 4, 1,
+ ACPI_SORT_ASCENDING, "C-State Type");
+ if (ACPI_FAILURE(status)) {
+ return (status);
+ }
+
return (AE_OK);
}
