From: Alexey Izbyshev <izbyshev@ispras.ru>
Date: Fri, 24 Aug 2018 15:53:16 +0000 (+0300)
Subject: closes bpo-34471: _datetime: Add missing NULL check to tzinfo_from_isoformat_results... 
X-Git-Tag: v3.8.0a1~1168
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=498845368ff0f6238750ab1d443e7cf4ec98ccd2;p=thirdparty%2FPython%2Fcpython.git

closes bpo-34471: _datetime: Add missing NULL check to tzinfo_from_isoformat_results. (GH-8869)

Reported by Svace static analyzer.
---

diff --git a/Modules/_datetimemodule.c b/Modules/_datetimemodule.c
index 2522b65f1168..3ba700bbf852 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);