From 2399ad51d435495636106ce2695712499983a715 Mon Sep 17 00:00:00 2001
From: Victor Stinner <victor.stinner@gmail.com>
Date: Mon, 18 Nov 2013 18:35:55 +0100
Subject: [PATCH] Issue #19437: Fix error handling of CDataType_from_buffer()

KeepRef() decreases the reference counter of its 'keep' parameter on error
---
 Modules/_ctypes/_ctypes.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/Modules/_ctypes/_ctypes.c b/Modules/_ctypes/_ctypes.c
index f47dbdf1ff4..be0f33a69e9 100644
--- a/Modules/_ctypes/_ctypes.c
+++ b/Modules/_ctypes/_ctypes.c
@@ -454,7 +454,6 @@ CDataType_from_buffer(PyObject *type, PyObject *args)
 
     Py_INCREF(obj);
     if (-1 == KeepRef((CDataObject *)result, -1, obj)) {
-        Py_DECREF(result);
         return NULL;
     }
     return result;