bpo-40137: Fix refleak in _functools_exec() (GH-24006)

vstinner · web-flow · commit ba0e49a4648e · 2020-12-30T02:24:43.000+01:00
diff --git a/Modules/_functoolsmodule.c b/Modules/_functoolsmodule.c
@@ -1436,6 +1436,7 @@ _functools_exec(PyObject *module)
         Py_DECREF(lru_cache_type);
         return -1;
     }
+    Py_DECREF(lru_cache_type);
 
     state->keyobject_type = (PyTypeObject *)PyType_FromModuleAndSpec(module,
         &keyobject_type_spec, NULL);

Original file line number	Diff line number	Diff line change
`@@ -1436,6 +1436,7 @@ _functools_exec(PyObject *module)`
`1436`	`1436`	`Py_DECREF(lru_cache_type);`
`1437`	`1437`	`return -1;`
`1438`	`1438`	`}`
	`1439`	`+ Py_DECREF(lru_cache_type);`
`1439`	`1440`
`1440`	`1441`	`state->keyobject_type = (PyTypeObject *)PyType_FromModuleAndSpec(module,`
`1441`	`1442`	`&keyobject_type_spec, NULL);`