ACPICA: Conditionally perform complex per-predefined-name repairs

Only attempt the "complex" repairs (package sorting, buffer
expansion) if the previous "generic" validation and repair was
successful.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

diff --git a/drivers/acpi/acpica/nspredef.c b/drivers/acpi/acpica/nspredef.c
index e352467..239fa2f 100644 (file)
--- a/drivers/acpi/acpica/nspredef.c
+++ b/drivers/acpi/acpica/nspredef.c
@@ -215,31 +215,42 @@ acpi_ns_check_predefined_names(struct acpi_namespace_node *node,
        data->node_flags = node->flags;
        data->pathname = pathname;
 
-       /* TBD: For variable-length Packages, remove NULL elements here */
-
        /*
-        * Check that the type of the return object is what is expected for
-        * this predefined name
+        * Check that the type of the main return object is what is expected
+        * for this predefined name
         */
        status = acpi_ns_check_object_type(data, return_object_ptr,
                                           predefined->info.expected_btypes,
                                           ACPI_NOT_PACKAGE_ELEMENT);
-       if (ACPI_SUCCESS(status)) {
-               /*
-                * For returned Package objects, check the type of all sub-objects.
-                * Note: Package may have been created by call above.
-                */
-               if ((*return_object_ptr)->common.type == ACPI_TYPE_PACKAGE) {
-                       status = acpi_ns_check_package(data, return_object_ptr);
+       if (ACPI_FAILURE(status)) {
+               goto exit;
+       }
+
+       /*
+        * For returned Package objects, check the type of all sub-objects.
+        * Note: Package may have been newly created by call above.
+        */
+       if ((*return_object_ptr)->common.type == ACPI_TYPE_PACKAGE) {
+
+               /* TBD: For variable-length Packages, remove NULL elements here */
+
+               status = acpi_ns_check_package(data, return_object_ptr);
+               if (ACPI_FAILURE(status)) {
+                       goto exit;
                }
        }
 
        /*
-        * Perform additional, more complicated repairs on a per-name
-        * basis. Do this regardless of the status from above.
+        * The return object was OK, or it was successfully repaired above.
+        * Now make some additional checks such as verifying that package
+        * objects are sorted correctly (if required) or buffer objects have
+        * the correct data width (bytes vs. dwords). These repairs are
+        * performed on a per-name basis, i.e., the code is specific to
+        * particular predefined names.
         */
        status = acpi_ns_complex_repairs(data, node, status, return_object_ptr);
 
+exit:
        /*
         * If the object validation failed or if we successfully repaired one
         * or more objects, mark the parent node to suppress further warning