From: Benjamin Peterson <benjamin@python.org>
Date: Tue, 20 Dec 2011 19:29:45 +0000 (-0600)
Subject: fix possible if unlikely leak
X-Git-Tag: v3.2.3rc1~257
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=53aa1d7c5756eda92bd3276dd38dfa1f0c4bcee2;p=thirdparty%2FPython%2Fcpython.git

fix possible if unlikely leak
---

diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index d13c5470b35d..c4cfe1bca05c 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);