From d68c163723c74cc571cf368f8034dc4117926dfc Mon Sep 17 00:00:00 2001
From: David King <amigadave@amigadave.com>
Date: Wed, 14 Jul 2021 15:23:11 +0100
Subject: [PATCH] Fix memory leak in libxml_saveNodeTo

Found by Coverity.

https://bugzilla.redhat.com/show_bug.cgi?id=1938806
---
 python/libxml.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/python/libxml.c b/python/libxml.c
index 3b66bd61..9196b620 100644
--- a/python/libxml.c
+++ b/python/libxml.c
@@ -3053,6 +3053,7 @@ libxml_saveNodeTo(ATTRIBUTE_UNUSED PyObject * self, PyObject * args)
     if (encoding != NULL) {
         handler = xmlFindCharEncodingHandler(encoding);
         if (handler == NULL) {
+            PyFile_Release(output);
             return (PyLong_FromLong((long) -1));
         }
     }