[gnome-settings-daemon] updates: Ignore virtual mountpoints when looking for external media

[Richard Hughes <rhughes src gnome org>]

commit f95736b80dd621fafc35bf8e3aa481e328897545
Author: Richard Hughes <richard hughsie com>
Date:   Tue Sep 6 17:09:52 2011 +0100

    updates: Ignore virtual mountpoints when looking for external media
    
    Resolves https://bugzilla.gnome.org/show_bug.cgi?id=658282

 plugins/updates/gsd-updates-manager.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/plugins/updates/gsd-updates-manager.c b/plugins/updates/gsd-updates-manager.c
index ac8feeb..55209cc 100644
--- a/plugins/updates/gsd-updates-manager.c
+++ b/plugins/updates/gsd-updates-manager.c
@@ -1176,13 +1176,17 @@ update_viewer_appeared_cb (GDBusConnection *connection,
 static gboolean
 file_exists_in_root (const gchar *root, const gchar *filename)
 {
-        gboolean ret;
+        gboolean ret = FALSE;
         GFile *source;
         gchar *source_path;
 
         source_path = g_build_filename (root, filename, NULL);
         source = g_file_new_for_path (source_path);
 
+        /* ignore virtual mountpoints */
+        if (!g_file_is_native (source))
+                goto out;
+
         /* an interesting file exists */
         ret = g_file_query_exists (source, NULL);
         g_debug ("checking for %s: %s", source_path, ret ? "yes" : "no");