--- gdm/gui/simple-greeter/gdm-user.c.orig  2008-06-04 17:56:57.000000000 +0200

+++ gdm/gui/simple-greeter/gdm-user.c       2008-06-04 18:00:05.000000000 +0200

@@ -750,7 +750,8 @@

                 }

                 filesystem_type = g_file_info_get_attribute_string (file_info,

                                                                     G_FILE_ATTRIBUTE_FILESYSTEM_TYPE);

-                is_local = ((strcmp (filesystem_type, "nfs") != 0) &&

+                is_local = ((filesystem_type != NULL) &&

+                           (strcmp (filesystem_type, "nfs") != 0) &&

                             (strcmp (filesystem_type, "afs") != 0) &&

                             (strcmp (filesystem_type, "autofs") != 0) &&

                             (strcmp (filesystem_type, "unknown") != 0) &&