commit e95048e8bb05ed23e7bf281ad445ef4c27b28433
author Benjamin Peterson <benjamin@python.org> Sat Dec 03 13:05:40 2016 -0800
committer Benjamin Peterson <benjamin@python.org> Sat Dec 03 13:05:40 2016 -0800
tree 4a683bb294dc7d70c3de41cd019c4a9ddffc9020
parent d3035d5d3da11b464580ee2a49c6fcf0d23f0252

also do not leak the mode string if creating the file fails

Modules/posixmodule.c

diff --git a/Modules/posixmodule.c b/Modules/posixmodule.c
index 12f6bc0..fb435e3 100644
--- a/Modules/posixmodule.c
+++ b/Modules/posixmodule.c
@@ -6909,8 +6909,10 @@
     /* The dummy filename used here must be kept in sync with the value
        tested against in gzip.GzipFile.__init__() - see issue #13781. */
     f = PyFile_FromFile(NULL, "<fdopen>", orgmode, fclose);
-    if (f == NULL)
+    if (f == NULL) {
+        PyMEM_FREE(mode);
         return NULL;
+    }
     Py_BEGIN_ALLOW_THREADS
 #if !defined(MS_WINDOWS) && defined(HAVE_FCNTL_H)
     if (mode[0] == 'a') {