return 0;
        }
 
-       if (data.terms)
-               parse_events__free_terms(data.terms);
+       parse_events_terms__delete(data.terms);
        return ret;
 }
 
        }
 }
 
-void parse_events__free_terms(struct list_head *terms)
+void parse_events_terms__delete(struct list_head *terms)
 {
+       if (!terms)
+               return;
        parse_events_terms__purge(terms);
        free(terms);
 }
 
                              char *config, unsigned idx);
 int parse_events_term__clone(struct parse_events_term **new,
                             struct parse_events_term *term);
-void parse_events__free_terms(struct list_head *terms);
+void parse_events_terms__delete(struct list_head *terms);
 void parse_events_terms__purge(struct list_head *terms);
 int parse_events__modifier_event(struct list_head *list, char *str, bool add);
 int parse_events__modifier_group(struct list_head *list, char *event_mod);
 
 
        ALLOC_LIST(list);
        ABORT_ON(parse_events_add_pmu(data, list, $1, $3));
-       parse_events__free_terms($3);
+       parse_events_terms__delete($3);
        $$ = list;
 }
 |
 
        ALLOC_LIST(list);
        ABORT_ON(parse_events_add_pmu(data, list, "cpu", head));
-       parse_events__free_terms(head);
+       parse_events_terms__delete(head);
        $$ = list;
 }
 |
 
        ALLOC_LIST(list);
        ABORT_ON(parse_events_add_pmu(data, list, "cpu", head));
-       parse_events__free_terms(head);
+       parse_events_terms__delete(head);
        $$ = list;
 }
 
 
        ALLOC_LIST(list);
        ABORT_ON(parse_events_add_numeric(data, list, type, config, $3));
-       parse_events__free_terms($3);
+       parse_events_terms__delete($3);
        $$ = list;
 }
 |