From f2fe7f0881b89c3aeba2f7fda0cb73611857cf30 Mon Sep 17 00:00:00 2001
From: Benjamin Peterson <benjamin@python.org>
Date: Sat, 17 Dec 2011 08:02:20 -0500
Subject: [PATCH] fix possible NULL dereference

---
 Objects/descrobject.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Objects/descrobject.c b/Objects/descrobject.c
index 1268df9c161..ecf372a43a3 100644
--- a/Objects/descrobject.c
+++ b/Objects/descrobject.c
@@ -628,7 +628,9 @@ descr_new(PyTypeObject *descrtype, PyTypeObject *type, const char *name)
             Py_DECREF(descr);
             descr = NULL;
         }
-        descr->d_qualname = NULL;
+        else {
+            descr->d_qualname = NULL;
+        }
     }
     return descr;
 }