[PKT_SCHED]: Remove bogus lock and make cls_set_class return unsigned long.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/pkt_cls.h

@@ -28,14 +28,12 @@ __cls_set_class(unsigned long *clp, unsigned long cl)
 	return old_cl;
 }
 
-static inline long
+static inline unsigned long
 cls_set_class(struct tcf_proto *tp, unsigned long *clp, 
 	unsigned long cl)
 {
 	unsigned long old_cl;
 	
-	qdisc_lock_tree(tp->q->dev);
-
 	tcf_tree_lock(tp);
 	old_cl = __cls_set_class(clp, cl);
 	tcf_tree_unlock(tp);