list.h provides a dedicated primitive for
"list_del followed by list_add_tail"... list_move_tail.
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
        entry = list_first_entry(&async_pending, struct async_entry, list);
 
        /* 2) move it to the running queue */
-       list_del(&entry->list);
-       list_add_tail(&entry->list, entry->running);
+       list_move_tail(&entry->list, entry->running);
        spin_unlock_irqrestore(&async_lock, flags);
 
        /* 3) run it (and print duration)*/