Correct the checks in step 5 of Node::pre_insert.

1 files changed, 6 insertions, 8 deletions

diff --git a/components/script/dom/node.rs b/components/script/dom/node.rs
index 4c7d24f8f4f..0242363dbf7 100644
--- a/components/script/dom/node.rs
+++ b/components/script/dom/node.rs
@@ -1216,17 +1216,15 @@ impl Node {
         // Step 4-5.
         match node.type_id() {
             TextNodeTypeId => {
-                match node.parent_node().root() {
-                    Some(ref parent) if parent.is_document() => return Err(HierarchyRequest),
-                    _ => ()
+                if parent.is_document() {
+                    return Err(HierarchyRequest);
                 }
-            }
+            },
             DoctypeNodeTypeId => {
-                match node.parent_node().root() {
-                    Some(ref parent) if !parent.is_document() => return Err(HierarchyRequest),
-                    _ => ()
+                if !parent.is_document() {
+                    return Err(HierarchyRequest);
                 }
-            }
+            },
             DocumentFragmentNodeTypeId |
             ElementNodeTypeId(_) |
             ProcessingInstructionNodeTypeId |