From 498845368ff0f6238750ab1d443e7cf4ec98ccd2 Mon Sep 17 00:00:00 2001
From: Alexey Izbyshev <izbyshev@ispras.ru>
Date: Fri, 24 Aug 2018 18:53:16 +0300
Subject: closes bpo-34471: _datetime: Add missing NULL check to
 tzinfo_from_isoformat_results. (GH-8869)

Reported by Svace static analyzer.
---
 Modules/_datetimemodule.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Modules/_datetimemodule.c b/Modules/_datetimemodule.c
index 2522b65..3ba700b 100644
--- a/Modules/_datetimemodule.c
+++ b/Modules/_datetimemodule.c
@@ -1290,8 +1290,11 @@ tzinfo_from_isoformat_results(int rv, int tzoffset, int tz_useconds) {
         }
 
         PyObject *delta = new_delta(0, tzoffset, tz_useconds, 1);
+        if (delta == NULL) {
+            return NULL;
+        }
         tzinfo = new_timezone(delta, NULL);
-        Py_XDECREF(delta);
+        Py_DECREF(delta);
     } else {
         tzinfo = Py_None;
         Py_INCREF(Py_None);
-- 
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