From d014ea6b5efbfb3d143fc8aacf8bee733cf4c8f0 Mon Sep 17 00:00:00 2001
From: Guido van Rossum <guido@python.org>
Date: Thu, 26 Nov 1992 10:30:26 +0000
Subject: * classobject.c: in instance_lenth, test result of call_object   for
 exception before using it.  Fixed a few other places where the   outcome of
 calling sq_length wasn't tested for exceptions   (bltinmodule.c, ceval.c).

---
 Objects/classobject.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'Objects/classobject.c')

diff --git a/Objects/classobject.c b/Objects/classobject.c
index e3b12c68f6..0661e810c8 100644
--- a/Objects/classobject.c
+++ b/Objects/classobject.c
@@ -324,6 +324,8 @@ instance_length(inst)
 		return -1;
 	res = call_object(func, (object *)NULL);
 	DECREF(func);
+	if (res == NULL)
+		return -1;
 	if (is_intobject(res)) {
 		outcome = getintvalue(res);
 		if (outcome < 0)
-- 
cgit v1.2.1