vendor/acpica/20130517

1 files changed, 21 insertions, 1 deletions

diff --git a/source/compiler/aslpredef.c b/source/compiler/aslpredef.c
index 3895681eca1c..60b5269587b4 100644
--- a/source/compiler/aslpredef.c
+++ b/source/compiler/aslpredef.c
@@ -310,7 +310,6 @@ ApCheckPredefinedReturnValue (
             break;
 
         default:
-
             /*
              * All other ops are very difficult or impossible to typecheck at
              * compile time. These include all Localx, Argx, and method
@@ -379,6 +378,7 @@ ApCheckForPredefinedObject (
         return;
 
     default:
+
         break;
     }
 
@@ -624,33 +624,53 @@ ApCheckObjectType (
     case PARSEOP_ONE:
     case PARSEOP_ONES:
     case PARSEOP_INTEGER:
+
         ReturnBtype = ACPI_RTYPE_INTEGER;
         TypeName = "Integer";
         break;
 
     case PARSEOP_STRING_LITERAL:
+
         ReturnBtype = ACPI_RTYPE_STRING;
         TypeName = "String";
         break;
 
     case PARSEOP_BUFFER:
+
         ReturnBtype = ACPI_RTYPE_BUFFER;
         TypeName = "Buffer";
         break;
 
     case PARSEOP_PACKAGE:
     case PARSEOP_VAR_PACKAGE:
+
         ReturnBtype = ACPI_RTYPE_PACKAGE;
         TypeName = "Package";
         break;
 
     case PARSEOP_NAMESEG:
     case PARSEOP_NAMESTRING:
+        /*
+         * Ignore any named references within a package object.
+         *
+         * For Package objects, references are allowed instead of any of the
+         * standard data types (Integer/String/Buffer/Package). These
+         * references are resolved at runtime. NAMESEG and NAMESTRING are
+         * impossible to typecheck at compile time because the type of
+         * any named object can be changed at runtime (for example,
+         * CopyObject will change the type of the target object).
+         */
+        if (PackageIndex != ACPI_NOT_PACKAGE_ELEMENT)
+        {
+            return (AE_OK);
+        }
+
         ReturnBtype = ACPI_RTYPE_REFERENCE;
         TypeName = "Reference";
         break;
 
     default:
+
         /* Not one of the supported object types */
 
         TypeName = UtGetOpName (Op->Asl.ParseOpcode);