From cd58752a158ccab3db77d355410b31b457df4cfc Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Mon, 27 Jun 2011 19:49:43 +0200
Subject: [PATCH] pam: make sure we pass a valid tty field to logind

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

diff --git a/src/pam-module.c b/src/pam-module.c
index 1658348e2..ad8ca91d0 100644
--- a/src/pam-module.c
+++ b/src/pam-module.c
@@ -389,7 +389,7 @@ _public_ PAM_EXTERN int pam_sm_open_session(
 
                 if (isempty(display))
                         display = tty;
-                tty = NULL;
+                tty = "";
         }
 
         type = !isempty(display) ? "x11" :
-- 
2.30.2