From: Guido van Rossum <guido@python.org>
Date: Tue, 4 Aug 1998 15:04:06 +0000 (+0000)
Subject: Fix a potential problem in PyLong_FromString(): could fall through the
X-Git-Tag: v1.5.2a1~165
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=ac6a37ae55b0f165dee662d65976c2d3ab9d2325;p=thirdparty%2FPython%2Fcpython.git

Fix a potential problem in PyLong_FromString(): could fall through the
for loop with z==NULL but continue to reference z later.
---

diff --git a/Objects/longobject.c b/Objects/longobject.c
index d638c64412a5..b15a3f0ff01f 100644
--- a/Objects/longobject.c
+++ b/Objects/longobject.c
@@ -499,6 +499,8 @@ PyLong_FromString(str, pend, base)
 		Py_DECREF(z);
 		z = temp;
 	}
+	if (z == NULL)
+		return NULL;
 	if (str == start) {
 		PyErr_SetString(PyExc_ValueError,
 				"no digits in long int constant");