inline-entity-form-custom-patch.patch

diff --git a/inline_entity_form.module b/inline_entity_form.module
index c1a7d82..e33af8b 100644
--- a/inline_entity_form.module
+++ b/inline_entity_form.module
@@ -1552,6 +1552,10 @@ function inline_entity_form_field_attach_submit($parent_entity_type, $parent_ent
         if ($item['needs_save']) {
           $controller->save($item['entity'], $context);
           $need_reset = TRUE;
+          // Added SX: 2016-11-04, fixes for duplication when adding existing entities
+          if (!empty($values['entities'])) {
+            $need_reset = TRUE;
+          }
         }
 
         list($entity_id) = entity_extract_ids($entity_type, $item['entity']);