[FIX] web: searchpanel: category on m2o with no parent_field

Rev. e264eca enabled the search with 'child_of' operator for
categories on many2one fields. However, it crashed if there is no
parent_field on the comodel.

1 files changed, 1 insertions, 1 deletions

diff --git a/addons/web/static/src/js/views/search_panel.js b/addons/web/static/src/js/views/search_panel.js
index 55d2f23c0fa..38872e8d381 100644
--- a/addons/web/static/src/js/views/search_panel.js
+++ b/addons/web/static/src/js/views/search_panel.js
@@ -442,7 +442,7 @@ var SearchPanel = Widget.extend({
             var category = self.categories[categoryId];
             if (category.activeValueId) {
                 var field = self.fields[category.fieldName];
-                var op = field.type === 'many2one' ? 'child_of' : '=';
+                var op = (field.type === 'many2one' && category.parentField) ? 'child_of' : '=';
                 domain.push([category.fieldName, op, category.activeValueId]);
             }
             return domain;