From: Victor Stinner <victor.stinner@gmail.com>
Date: Thu, 7 Nov 2013 23:50:58 +0000 (+0100)
Subject: Issue #19437: Fix datetime_subtract(), handle new_delta() failure
X-Git-Tag: v3.4.0b1~339
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=70e11acdbd3a206003dd47bbccc111ce1d55b88c;p=python

Issue #19437: Fix datetime_subtract(), handle new_delta() failure
---

diff --git a/Modules/_datetimemodule.c b/Modules/_datetimemodule.c
index a89e0ecae5..1eace71f6a 100644
--- a/Modules/_datetimemodule.c
+++ b/Modules/_datetimemodule.c
@@ -4462,6 +4462,9 @@ datetime_subtract(PyObject *left, PyObject *right)
             delta_us = DATE_GET_MICROSECOND(left) -
                        DATE_GET_MICROSECOND(right);
             result = new_delta(delta_d, delta_s, delta_us, 1);
+            if (result == NULL)
+                return NULL;
+
             if (offdiff != NULL) {
                 PyObject *temp = result;
                 result = delta_subtract(result, offdiff);