From aadf057bf40bcb3e3b5a1ec3294b892630ae47bf Mon Sep 17 00:00:00 2001
From: Shantanu <12621235+hauntsaninja@users.noreply.github.com>
Date: Sun, 6 Nov 2022 06:04:36 -0800
Subject: [PATCH] gh-83004: Clean up refleak in _zoneinfo initialisation
 (GH-98842) (cherry picked from commit
 31f2f6568d89564cc1d686cd6b75ba5578aaa748)

Co-authored-by: Shantanu <12621235+hauntsaninja@users.noreply.github.com>
---
 .../Library/2022-11-02-05-54-02.gh-issue-83004.0v8iyw.rst    | 1 +
 Modules/_zoneinfo.c                                          | 5 +++--
 2 files changed, 4 insertions(+), 2 deletions(-)
 create mode 100644 Misc/NEWS.d/next/Library/2022-11-02-05-54-02.gh-issue-83004.0v8iyw.rst

diff --git a/Misc/NEWS.d/next/Library/2022-11-02-05-54-02.gh-issue-83004.0v8iyw.rst b/Misc/NEWS.d/next/Library/2022-11-02-05-54-02.gh-issue-83004.0v8iyw.rst
new file mode 100644
index 00000000000000..bd54d3eae8c908
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2022-11-02-05-54-02.gh-issue-83004.0v8iyw.rst
@@ -0,0 +1 @@
+Clean up refleak on failed module initialisation in :mod:`_zoneinfo`
diff --git a/Modules/_zoneinfo.c b/Modules/_zoneinfo.c
index 1535721b026d1f..55975f4e269109 100644
--- a/Modules/_zoneinfo.c
+++ b/Modules/_zoneinfo.c
@@ -2652,8 +2652,9 @@ zoneinfomodule_exec(PyObject *m)
         goto error;
     }
 
-    Py_INCREF(&PyZoneInfo_ZoneInfoType);
-    PyModule_AddObject(m, "ZoneInfo", (PyObject *)&PyZoneInfo_ZoneInfoType);
+    if (PyModule_AddObjectRef(m, "ZoneInfo", (PyObject *)&PyZoneInfo_ZoneInfoType) < 0) {
+        goto error;
+    }
 
     /* Populate imports */
     PyObject *_tzpath_module = PyImport_ImportModule("zoneinfo._tzpath");