From: Brandt Bucher <brandtbucher@gmail.com>
Date: Wed, 20 Nov 2019 00:59:32 +0000 (-0800)
Subject: bpo-38823: Fix refleak in marshal init error path (GH-17260)
X-Git-Tag: v3.9.0a2~180
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=33b671e72450bf4b5a946ce0dde6b7fe21150108;p=thirdparty%2FPython%2Fcpython.git

bpo-38823: Fix refleak in marshal init error path (GH-17260)
---

diff --git a/Python/marshal.c b/Python/marshal.c
index cb11c8c74ef3..ec6b3dadc02c 100644
--- a/Python/marshal.c
+++ b/Python/marshal.c
@@ -1829,6 +1829,9 @@ PyMarshal_Init(void)
     PyObject *mod = PyModule_Create(&marshalmodule);
     if (mod == NULL)
         return NULL;
-    PyModule_AddIntConstant(mod, "version", Py_MARSHAL_VERSION);
+    if (PyModule_AddIntConstant(mod, "version", Py_MARSHAL_VERSION) < 0) {
+        Py_DECREF(mod);
+        return NULL;
+    }
     return mod;
 }