From: Jesus Cea <jcea@jcea.es>
Date: Mon, 10 Sep 2012 20:58:07 +0000 (+0200)
Subject: #15676: mmap: add empty file check prior to offset check <- Previous patch was incomp... 
X-Git-Tag: v3.2.4rc1~541
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=e8db356cf1084105a97db9457a2374209868005b;p=thirdparty%2FPython%2Fcpython.git

#15676: mmap: add empty file check prior to offset check <- Previous patch was incomplete (fix 2)
---

diff --git a/Modules/mmapmodule.c b/Modules/mmapmodule.c
index b993fdf92de4..33c143eba8c7 100644
--- a/Modules/mmapmodule.c
+++ b/Modules/mmapmodule.c
@@ -1345,6 +1345,7 @@ new_mmap_object(PyTypeObject *type, PyObject *args, PyObject *kwdict)
             if (size == 0) {
                 PyErr_SetString(PyExc_ValueError,
                                 "cannot mmap an empty file");
+                Py_DECREF(m_obj);
                 return NULL;
             }
             if (offset >= size) {