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authorYury Selivanov <yury@magic.io>2016-11-09 23:55:45 (GMT)
committerYury Selivanov <yury@magic.io>2016-11-09 23:55:45 (GMT)
commit46a02db90b295bfec1712515e09aeda31bbe84e0 (patch)
treef9c528e4230c67e830ea1eadd176a0a22b63b14d /Modules
parent28f42fd4f813b4be15b47629c557ef8f958727cb (diff)
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Issue #28653: Fix a refleak in functools.lru_cache.
Diffstat (limited to 'Modules')
-rw-r--r--Modules/_functoolsmodule.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/Modules/_functoolsmodule.c b/Modules/_functoolsmodule.c
index d785c49..9c9ab5f 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);