From b80b37868069fc5ff459f41565163c417fa3cf12 Mon Sep 17 00:00:00 2001
From: Victor Stinner <victor.stinner@gmail.com>
Date: Thu, 14 Nov 2013 21:29:34 +0100
Subject: Issue #19437: Fix parse_save_field() of the csv module, handle
 PyList_Append() failure

---
 Modules/_csv.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Modules/_csv.c b/Modules/_csv.c
index 22ac266..183a9a5 100644
--- a/Modules/_csv.c
+++ b/Modules/_csv.c
@@ -546,7 +546,10 @@ parse_save_field(ReaderObj *self)
             return -1;
         field = tmp;
     }
-    PyList_Append(self->fields, field);
+    if (PyList_Append(self->fields, field) < 0) {
+        Py_DECREF(field);
+        return -1;
+    }
     Py_DECREF(field);
     return 0;
 }
-- 
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