File gdm-worker-ignore-username.patch of Package gdm.485

From 29def8761bbac04cf84c7f83722bed447d5d03c6 Mon Sep 17 00:00:00 2001
From: Ray Strode <rstrode@redhat.com>
Date: Wed, 8 Jan 2014 11:46:24 -0500
Subject: [PATCH] worker: ignore '' username

Some PAM modules set a "" username to mean "user not set yet",
apparently, instead of NULL.

This commit guards against that to prevent a crash.

Red-Hat-Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=965370

https://bugzilla.gnome.org/show_bug.cgi?id=721803
---
 daemon/gdm-session-worker.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/daemon/gdm-session-worker.c b/daemon/gdm-session-worker.c
index 8c4dc3a..f285013 100644
--- a/daemon/gdm-session-worker.c
+++ b/daemon/gdm-session-worker.c
@@ -655,6 +655,7 @@ gdm_session_worker_update_username (GdmSessionWorker *worker)
                  * to keep trying to read settings)
                  */
                 if (worker->priv->username != NULL &&
+                    worker->priv->username[0] != '\0' &&
                     !gdm_session_settings_is_loaded (worker->priv->user_settings)) {
                         attempt_to_load_user_settings (worker, worker->priv->username);
                 }
-- 
1.8.4.5