1 files changed, 3 insertions, 4 deletions
diff --git a/editor/libeditor/HTMLEditorDataTransfer.cpp b/editor/libeditor/HTMLEditorDataTransfer.cpp
index c56fbead7..0c01bdd1c 100644
--- a/editor/libeditor/HTMLEditorDataTransfer.cpp
+++ b/editor/libeditor/HTMLEditorDataTransfer.cpp
@@ -145,14 +145,13 @@ HTMLEditor::LoadHTML(const nsAString& aInputString)
     rv = range->GetStartContainer(getter_AddRefs(parent));
     NS_ENSURE_SUCCESS(rv, rv);
     NS_ENSURE_TRUE(parent, NS_ERROR_NULL_POINTER);
-    int32_t childOffset;
-    rv = range->GetStartOffset(&childOffset);
-    NS_ENSURE_SUCCESS(rv, rv);
+    uint32_t childOffset = range->StartOffset();
 
     nsCOMPtr<nsIDOMNode> nodeToInsert;
     docfrag->GetFirstChild(getter_AddRefs(nodeToInsert));
     while (nodeToInsert) {
-      rv = InsertNode(nodeToInsert, parent, childOffset++);
+      rv = InsertNode(nodeToInsert, parent,
+                      static_cast<int32_t>(childOffset++));
       NS_ENSURE_SUCCESS(rv, rv);
       docfrag->GetFirstChild(getter_AddRefs(nodeToInsert));
     }