From 1ddf53d496a3b7bd09fe8672daa2f07a4d240f2c Mon Sep 17 00:00:00 2001
From: Victor Stinner <victor.stinner@gmail.com>
Date: Wed, 21 Sep 2016 14:13:14 +0200
Subject: Fix PyUnicode_FromFormatV() error handling

Issue #28233: Fix a memory leak if the format string contains a non-ASCII
character, destroy the unicode writer.
---
 Objects/unicodeobject.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Objects/unicodeobject.c b/Objects/unicodeobject.c
index af04564..176ec13 100644
--- a/Objects/unicodeobject.c
+++ b/Objects/unicodeobject.c
@@ -2719,7 +2719,7 @@ PyUnicode_FromFormatV(const char *format, va_list vargs)
                         "PyUnicode_FromFormatV() expects an ASCII-encoded format "
                         "string, got a non-ASCII byte: 0x%02x",
                         (unsigned char)*p);
-                    return NULL;
+                    goto fail;
                 }
                 p++;
             }
-- 
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