From: Xiang Zhang <angwerzx@126.com>
Date: Sun, 16 Apr 2017 16:54:21 +0000 (+0800)
Subject: fix a refleak in slot_sq_length (#1162)
X-Git-Tag: v3.7.0a1~953
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=8e1ddbd592c3aaf02a58789771f891c0101c6e05;p=thirdparty%2FPython%2Fcpython.git

fix a refleak in slot_sq_length (#1162)
---

diff --git a/Objects/typeobject.c b/Objects/typeobject.c
index 89fe82c7c39a..9eb725f062ba 100644
--- a/Objects/typeobject.c
+++ b/Objects/typeobject.c
@@ -5931,6 +5931,7 @@ slot_sq_length(PyObject *self)
 
     assert(PyLong_Check(res));
     if (Py_SIZE(res) < 0) {
+        Py_DECREF(res);
         PyErr_SetString(PyExc_ValueError,
                         "__len__() should return >= 0");
         return -1;