From: Xiang Zhang <angwerzx@126.com>
Date: Wed, 22 Mar 2017 06:32:52 +0000 (+0800)
Subject: bpo-29876: fix DECREF for NULL value in subelement() (GH-760)
X-Git-Tag: v2.7.14rc1~240
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9c0408d9b68d8f65aad22ca0767f154d6b9f526c;p=thirdparty%2FPython%2Fcpython.git

bpo-29876: fix DECREF for NULL value in subelement() (GH-760)
---

diff --git a/Modules/_elementtree.c b/Modules/_elementtree.c
index 7a0aeda63cf3..94dc5b7ca35e 100644
--- a/Modules/_elementtree.c
+++ b/Modules/_elementtree.c
@@ -524,8 +524,9 @@ subelement(PyObject* self, PyObject* args, PyObject* kw)
     }
 
     elem = element_new(tag, attrib);
-
     Py_DECREF(attrib);
+    if (elem == NULL)
+        return NULL;
 
     if (element_add_subelement(parent, elem) < 0) {
         Py_DECREF(elem);