From 546dddca43a2a69dbe33d230e9e540636b403270 Mon Sep 17 00:00:00 2001
From: "RUANG (Roy James)" <longjinyii@outlook.com>
Date: Tue, 15 Oct 2024 17:21:16 +0800
Subject: [PATCH] gh-125234: Make PyInitConfig_Free(NULL) a no-op (#125266)

---
 Doc/c-api/init_config.rst | 2 ++
 Programs/_testembed.c     | 1 +
 Python/initconfig.c       | 3 +++
 3 files changed, 6 insertions(+)

diff --git a/Doc/c-api/init_config.rst b/Doc/c-api/init_config.rst
index 6f8962afc7a..66e845df2e6 100644
--- a/Doc/c-api/init_config.rst
+++ b/Doc/c-api/init_config.rst
@@ -1621,6 +1621,8 @@ Create Config
 
    Free memory of the initialization configuration *config*.
 
+   If *config* is ``NULL``, no operation is performed.
+
 
 Error Handling
 --------------
diff --git a/Programs/_testembed.c b/Programs/_testembed.c
index ab619e32429..0fb45b2265e 100644
--- a/Programs/_testembed.c
+++ b/Programs/_testembed.c
@@ -1896,6 +1896,7 @@ static int test_initconfig_api(void)
         goto error;
     }
     PyInitConfig_Free(config);
+    PyInitConfig_Free(NULL);
 
     dump_config();
     Py_Finalize();
diff --git a/Python/initconfig.c b/Python/initconfig.c
index 58ac5e7d7ea..c142438b02b 100644
--- a/Python/initconfig.c
+++ b/Python/initconfig.c
@@ -3457,6 +3457,9 @@ PyInitConfig_Create(void)
 void
 PyInitConfig_Free(PyInitConfig *config)
 {
+    if (config == NULL) {
+        return;
+    }
     free(config->err_msg);
     free(config);
 }