From: Raymond Hettinger <python@rcn.com>
Date: Sat, 2 Oct 2004 10:56:43 +0000 (+0000)
Subject: Replace structure member before decreffing.
X-Git-Tag: v2.4b1~115
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=880430e2a54d4f47baef3515072e7119e85510f7;p=python

Replace structure member before decreffing.
---

diff --git a/Modules/itertoolsmodule.c b/Modules/itertoolsmodule.c
index 3da0258eef..4069ea2daf 100644
--- a/Modules/itertoolsmodule.c
+++ b/Modules/itertoolsmodule.c
@@ -662,6 +662,7 @@ cycle_next(cycleobject *lz)
 {
 	PyObject *item;
 	PyObject *it;
+	PyObject *tmp;
 
 	while (1) {
 		item = PyIter_Next(lz->it);
@@ -681,9 +682,10 @@ cycle_next(cycleobject *lz)
 		it = PyObject_GetIter(lz->saved);
 		if (it == NULL)
 			return NULL;
-		Py_DECREF(lz->it);
+		tmp = lz->it;
 		lz->it = it;
 		lz->firstpass = 1;
+		Py_DECREF(tmp);
 	}
 }