commit f2fe7f0881b89c3aeba2f7fda0cb73611857cf30
author Benjamin Peterson <benjamin@python.org> Sat Dec 17 08:02:20 2011 -0500
committer Benjamin Peterson <benjamin@python.org> Sat Dec 17 08:02:20 2011 -0500
tree e3ad2ebd1d1b4a2e931bffde9cccf2e0ee81094c
parent 2f197078fbd04c1df8c77798f7a257537de53aa6

fix possible NULL dereference

Objects/descrobject.c

diff --git a/Objects/descrobject.c b/Objects/descrobject.c
index 1268df9..ecf372a 100644
--- a/Objects/descrobject.c
+++ b/Objects/descrobject.c
@@ -628,7 +628,9 @@
             Py_DECREF(descr);
             descr = NULL;
         }
-        descr->d_qualname = NULL;
+        else {
+            descr->d_qualname = NULL;
+        }
     }
     return descr;
 }