Ticket #51147: 51147.diff

src/wp-admin/includes/ms.php

@@ -736 +736 @@
         if ( ! is_main_site() ) {
                 return $data;
         }
+        if ( isset( $data['post_parent'] ) && $data['post_parent'] ) {
+                return $data;
+        }
 
         $post_name = $data['post_name'];
         $c         = 0;