From 4131599c450edf2276e2af9bcaff87ef62384c15 Mon Sep 17 00:00:00 2001
From: Peter Hajdu <peter.hajdu@balabit.com>
Date: Mon, 30 Jul 2018 12:47:24 +0200
Subject: [PATCH] fix null ptr check

---
 src/pam_python.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/pam_python.c b/src/pam_python.c
index e01ee68..d1c34c9 100644
--- a/src/pam_python.c
+++ b/src/pam_python.c
@@ -2226,7 +2226,7 @@ static int load_user_module(
     goto error_exit;
   }
   dot = strrchr(user_module_name, '.');
-  if (dot != 0 || strcmp(dot, ".py") == 0)
+  if ((dot != 0) && (strcmp(dot, ".py") == 0))
     *dot = '\0';
   *user_module = PyModule_New(user_module_name);
   if (*user_module == 0)