From 46a02db90b295bfec1712515e09aeda31bbe84e0 Mon Sep 17 00:00:00 2001 From: Yury Selivanov Date: Wed, 9 Nov 2016 18:55:45 -0500 Subject: Issue #28653: Fix a refleak in functools.lru_cache. --- Modules/_functoolsmodule.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'Modules') diff --git a/Modules/_functoolsmodule.c b/Modules/_functoolsmodule.c index d785c4932b..9c9ab5f8ea 100644 --- a/Modules/_functoolsmodule.c +++ b/Modules/_functoolsmodule.c @@ -781,8 +781,10 @@ infinite_lru_cache_wrapper(lru_cache_object *self, PyObject *args, PyObject *kwd if (!key) return NULL; hash = PyObject_Hash(key); - if (hash == -1) + if (hash == -1) { + Py_DECREF(key); return NULL; + } result = _PyDict_GetItem_KnownHash(self->cache, key, hash); if (result) { Py_INCREF(result); @@ -837,8 +839,10 @@ bounded_lru_cache_wrapper(lru_cache_object *self, PyObject *args, PyObject *kwds if (!key) return NULL; hash = PyObject_Hash(key); - if (hash == -1) + if (hash == -1) { + Py_DECREF(key); return NULL; + } link = (lru_list_elem *)_PyDict_GetItem_KnownHash(self->cache, key, hash); if (link) { lru_cache_extricate_link(link); -- cgit v1.2.1