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| author | Yury Selivanov <yury@magic.io> | 2016-11-09 18:55:45 -0500 |
|---|---|---|
| committer | Yury Selivanov <yury@magic.io> | 2016-11-09 18:55:45 -0500 |
| commit | 5b838447e04990422cc4efb7ae069e090b3ef8b8 (patch) | |
| tree | aa8831ce40e2405bbd07aa930e426307e9ffa8c3 /Modules | |
| parent | c823f3ffde59b90df6ef240ece057d4da20e580e (diff) | |
| download | cpython-5b838447e04990422cc4efb7ae069e090b3ef8b8.tar.gz | |
Issue #28653: Fix a refleak in functools.lru_cache.
Diffstat (limited to 'Modules')
| -rw-r--r-- | Modules/_functoolsmodule.c | 8 |
1 files changed, 6 insertions, 2 deletions
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); |