All changes to timeline value come through the user via
sync_timeline_signal() calls. When sync_timeline_destroy() is called no
changes on timeline->value happens hence call sync_timeline_signal() with
no increment is pointless.
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
         */
        smp_wmb();
 
-       /*
-        * signal any children that their parent is going away.
-        */
-       sync_timeline_signal(obj);
        sync_timeline_put(obj);
 }
 EXPORT_SYMBOL(sync_timeline_destroy);