Issue #18994: Add a missing check for a return value in fcntmodule. Patch by

Vajrasky Kok.

diff --git a/Modules/fcntlmodule.c b/Modules/fcntlmodule.c
index e54c8e042a51a3e2735c1ec613449a2f735c9d32..79d292f1ae44f432ce98dc413a55819512d3be9e 100644 (file)
--- a/Modules/fcntlmodule.c
+++ b/Modules/fcntlmodule.c
@@ -628,6 +628,8 @@ PyInit_fcntl(void)
         return NULL;
 
     /* Add some symbolic constants to the module */
-    all_ins(m);
+    if (all_ins(m) < 0)
+        return NULL;
+
     return m;
 }