commit 54b32c987146123f2237f0e21b1d02b1c1ebdf6f
author Brandt Bucher <brandtbucher@gmail.com> Tue Nov 19 11:16:29 2019 -0800
committer T. Wouters <thomas@python.org> Tue Nov 19 11:16:29 2019 -0800
tree d7b3139c2c421732b26c48d95e5d2de89b6be370
parent 8e0de2a4808d7c2f4adedabff89ee64e0338790a

bpo-38823: Clean up refleak in fcntl module initialization. (GH-17236)

Modules/fcntlmodule.c

diff --git a/Modules/fcntlmodule.c b/Modules/fcntlmodule.c
index 1e5b0f7..11906aa 100644
--- a/Modules/fcntlmodule.c
+++ b/Modules/fcntlmodule.c
@@ -668,8 +668,10 @@
         return NULL;
 
     /* Add some symbolic constants to the module */
-    if (all_ins(m) < 0)
+    if (all_ins(m) < 0) {
+        Py_DECREF(m);
         return NULL;
+    }
 
     return m;
 }