vendor/acpica/20190509

1 files changed, 21 insertions, 3 deletions

diff --git a/source/compiler/aslload.c b/source/compiler/aslload.c
index a055bab0605f..d1523ab69cc8 100644
--- a/source/compiler/aslload.c
+++ b/source/compiler/aslload.c
@@ -263,10 +263,29 @@ LdLoadFieldElements (
     ACPI_WALK_STATE         *WalkState)
 {
     ACPI_PARSE_OBJECT       *Child = NULL;
+    ACPI_PARSE_OBJECT       *SourceRegion;
     ACPI_NAMESPACE_NODE     *Node;
     ACPI_STATUS             Status;
 
 
+
+    SourceRegion = UtGetArg (Op, 0);
+    if (SourceRegion)
+    {
+        Status = AcpiNsLookup (WalkState->ScopeInfo,
+            SourceRegion->Asl.Value.String,
+            ACPI_TYPE_REGION, ACPI_IMODE_EXECUTE,
+            ACPI_NS_DONT_OPEN_SCOPE, NULL, &Node);
+        if (Status == AE_NOT_FOUND)
+        {
+            /*
+             * If the named object is not found, it means that it is either a
+             * forward reference or the named object does not exist.
+             */
+            SourceRegion->Asl.CompileFlags |= OP_NOT_FOUND_DURING_LOAD;
+        }
+    }
+
     /* Get the first named field element */
 
     switch (Op->Asl.AmlOpcode)
@@ -493,7 +512,7 @@ LdNamespace1Begin (
     case AML_FIELD_OP:
 
         Status = LdLoadFieldElements (Op, WalkState);
-        break;
+        return (Status);
 
     case AML_INT_CONNECTION_OP:
 
@@ -557,8 +576,7 @@ LdNamespace1Begin (
          * We only want references to named objects:
          *      Store (2, WXYZ) -> Attempt to resolve the name
          */
-        if ((OpInfo->Class == AML_CLASS_NAMED_OBJECT) &&
-            (OpInfo->Type != AML_TYPE_NAMED_FIELD))
+        if (OpInfo->Class == AML_CLASS_NAMED_OBJECT)
         {
             return (AE_OK);
         }