commit a39de111a5df2fcb0245622701590ad61f7ff0d9
author Petri Lehtinen <petri@digip.org> Sun Oct 30 14:31:27 2011 +0200
committer Petri Lehtinen <petri@digip.org> Sun Oct 30 14:33:09 2011 +0200
tree d4063cca6e3376d1e42aad367a23dd3407b05256
parent 5f4d8706684c600d4a33b19bda86d3c9e4840c2c

Fix the return value of set_discard (issue #10519)

Objects/setobject.c

diff --git a/Objects/setobject.c b/Objects/setobject.c
index 9fea0c9..81a139f 100644
--- a/Objects/setobject.c
+++ b/Objects/setobject.c
@@ -1936,9 +1936,10 @@
         tmpkey = make_new_set(&PyFrozenSet_Type, key);
         if (tmpkey == NULL)
             return NULL;
-        result = set_discard_key(so, tmpkey);
+        rv = set_discard_key(so, tmpkey);
         Py_DECREF(tmpkey);
-        return result;
+        if (rv == -1)
+            return NULL;
     }
     Py_RETURN_NONE;
 }