fix a refleak in slot_sq_length (#1162)

8e1ddbd5 · Xiang Zhang · GitHub · 55fe1ae9 · 8e1ddbd5
Commit 8e1ddbd5 authored Apr 17, 2017 by Xiang Zhang Committed by GitHub Apr 17, 2017
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Objects/typeobject.c Objects/typeobject.c +1 -0

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--- 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;