1 files changed, 46 insertions, 20 deletions

diff --git a/source/components/utilities/utdelete.c b/source/components/utilities/utdelete.c
index 4ed629762768..d526e0d27891 100644
--- a/source/components/utilities/utdelete.c
+++ b/source/components/utilities/utdelete.c
@@ -368,7 +368,7 @@ AcpiUtDeleteInternalObjectList (
     ACPI_OPERAND_OBJECT     **InternalObj;
 
 
-    ACPI_FUNCTION_TRACE (UtDeleteInternalObjectList);
+    ACPI_FUNCTION_NAME (UtDeleteInternalObjectList);
 
 
     /* Walk the null-terminated internal list */
@@ -381,7 +381,7 @@ AcpiUtDeleteInternalObjectList (
     /* Free the combined parameter pointer list and object array */
 
     ACPI_FREE (ObjList);
-    return_VOID;
+    return;
 }
 
 
@@ -528,7 +528,7 @@ AcpiUtUpdateObjectReference (
     UINT32                  i;
 
 
-    ACPI_FUNCTION_TRACE_PTR (UtUpdateObjectReference, Object);
+    ACPI_FUNCTION_NAME (UtUpdateObjectReference);
 
 
     while (Object)
@@ -539,7 +539,7 @@ AcpiUtUpdateObjectReference (
         {
             ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
                 "Object %p is NS handle\n", Object));
-            return_ACPI_STATUS (AE_OK);
+            return (AE_OK);
         }
 
         /*
@@ -577,17 +577,43 @@ AcpiUtUpdateObjectReference (
             for (i = 0; i < Object->Package.Count; i++)
             {
                 /*
-                 * Push each element onto the stack for later processing.
-                 * Note: There can be null elements within the package,
-                 * these are simply ignored
+                 * Null package elements are legal and can be simply
+                 * ignored.
                  */
-                Status = AcpiUtCreateUpdateStateAndPush (
-                            Object->Package.Elements[i], Action, &StateList);
-                if (ACPI_FAILURE (Status))
+                NextObject = Object->Package.Elements[i];
+                if (!NextObject)
+                {
+                    continue;
+                }
+
+                switch (NextObject->Common.Type)
                 {
-                    goto ErrorExit;
+                case ACPI_TYPE_INTEGER:
+                case ACPI_TYPE_STRING:
+                case ACPI_TYPE_BUFFER:
+                    /*
+                     * For these very simple sub-objects, we can just
+                     * update the reference count here and continue.
+                     * Greatly increases performance of this operation.
+                     */
+                    AcpiUtUpdateRefCount (NextObject, Action);
+                    break;
+
+                default:
+                    /*
+                     * For complex sub-objects, push them onto the stack
+                     * for later processing (this eliminates recursion.)
+                     */
+                    Status = AcpiUtCreateUpdateStateAndPush (
+                                 NextObject, Action, &StateList);
+                    if (ACPI_FAILURE (Status))
+                    {
+                        goto ErrorExit;
+                    }
+                    break;
                 }
             }
+            NextObject = NULL;
             break;
 
         case ACPI_TYPE_BUFFER_FIELD:
@@ -663,7 +689,7 @@ AcpiUtUpdateObjectReference (
         }
     }
 
-    return_ACPI_STATUS (AE_OK);
+    return (AE_OK);
 
 
 ErrorExit:
@@ -679,7 +705,7 @@ ErrorExit:
         AcpiUtDeleteGenericState (State);
     }
 
-    return_ACPI_STATUS (Status);
+    return (Status);
 }
 
 
@@ -701,14 +727,14 @@ AcpiUtAddReference (
     ACPI_OPERAND_OBJECT     *Object)
 {
 
-    ACPI_FUNCTION_TRACE_PTR (UtAddReference, Object);
+    ACPI_FUNCTION_NAME (UtAddReference);
 
 
     /* Ensure that we have a valid object */
 
     if (!AcpiUtValidInternalObject (Object))
     {
-        return_VOID;
+        return;
     }
 
     ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
@@ -718,7 +744,7 @@ AcpiUtAddReference (
     /* Increment the reference count */
 
     (void) AcpiUtUpdateObjectReference (Object, REF_INCREMENT);
-    return_VOID;
+    return;
 }
 
 
@@ -739,7 +765,7 @@ AcpiUtRemoveReference (
     ACPI_OPERAND_OBJECT     *Object)
 {
 
-    ACPI_FUNCTION_TRACE_PTR (UtRemoveReference, Object);
+    ACPI_FUNCTION_NAME (UtRemoveReference);
 
 
     /*
@@ -751,14 +777,14 @@ AcpiUtRemoveReference (
         (ACPI_GET_DESCRIPTOR_TYPE (Object) == ACPI_DESC_TYPE_NAMED))
 
     {
-        return_VOID;
+        return;
     }
 
     /* Ensure that we have a valid object */
 
     if (!AcpiUtValidInternalObject (Object))
     {
-        return_VOID;
+        return;
     }
 
     ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS,
@@ -771,5 +797,5 @@ AcpiUtRemoveReference (
      * of all subobjects!)
      */
     (void) AcpiUtUpdateObjectReference (Object, REF_DECREMENT);
-    return_VOID;
+    return;
 }