There was a possibility that the initialization of _sqlite, when it failed,
would lead to a decref of a NULL.
Fixes issue #11110.
diff --git a/Misc/NEWS b/Misc/NEWS
index 5df056d..efb8488 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -15,6 +15,8 @@
Library
-------
+- Issue #11110: Fix a potential decref of a NULL in sqlite3.
+
- Issue #8275: Fix passing of callback arguments with ctypes under Win64.
Patch by Stan Mihai.
diff --git a/Modules/_sqlite/module.c b/Modules/_sqlite/module.c
index 3292dae..cbc3b8e 100644
--- a/Modules/_sqlite/module.c
+++ b/Modules/_sqlite/module.c
@@ -329,7 +329,7 @@
(pysqlite_statement_setup_types() < 0) ||
(pysqlite_prepare_protocol_setup_types() < 0)
) {
- Py_DECREF(module);
+ Py_XDECREF(module);
return NULL;
}