[Python-checkins] [3.12] gh-105673: Fix uninitialized warning in sysmodule.c (GH-105674) (#105675)

[erlend-aasland]

https://github.com/python/cpython/commit/0b305e8d36c5ac5dc83f0c09e7e2b3360b992eea
commit: 0b305e8d36c5ac5dc83f0c09e7e2b3360b992eea
branch: 3.12
author: Miss Islington (bot) <31488909+miss-islington at users.noreply.github.com>
committer: erlend-aasland <erlend.aasland at protonmail.com>
date: 2023-06-12T09:15:45Z
summary:

[3.12] gh-105673: Fix uninitialized warning in sysmodule.c (GH-105674) (#105675)

In sys_add_xoption(), 'value' may be uninitialized for some error paths.
(cherry picked from commit a8d69fe92c65d636fc454cfb1825c357eb2e6325)

Co-authored-by: Nikita Sobolev <mail at sobolevn.me>

files:
M Python/sysmodule.c

diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index a05bdf0ea7ee..b8254f4e94fd 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -3371,7 +3371,7 @@ _PySys_InitCore(PyThreadState *tstate, PyObject *sysdict)
 static int
 sys_add_xoption(PyObject *opts, const wchar_t *s)
 {
-    PyObject *name, *value;
+    PyObject *name, *value = NULL;
 
     const wchar_t *name_end = wcschr(s, L'=');
     if (!name_end) {