From 53aa1d7c5756eda92bd3276dd38dfa1f0c4bcee2 Mon Sep 17 00:00:00 2001
From: Benjamin Peterson <benjamin@python.org>
Date: Tue, 20 Dec 2011 13:29:45 -0600
Subject: fix possible if unlikely leak

---
 Objects/unicodeobject.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index d13c547..c4cfe1b 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -8888,9 +8888,13 @@ unicode_maketrans(PyUnicodeObject *null, PyObject *args)
         /* create entries for translating chars in x to those in y */
         for (i = 0; i < PyUnicode_GET_SIZE(x); i++) {
             key = PyLong_FromLong(PyUnicode_AS_UNICODE(x)[i]);
+            if (!key)
+                goto err;
             value = PyLong_FromLong(PyUnicode_AS_UNICODE(y)[i]);
-            if (!key || !value)
+            if (!value) {
+                Py_DECREF(key);
                 goto err;
+            }
             res = PyDict_SetItem(new, key, value);
             Py_DECREF(key);
             Py_DECREF(value);
-- 
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