net: sched: constify tcf_proto and tc_action

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sched/cls_rsvp.h b/net/sched/cls_rsvp.h
index ed691b1..be4505e 100644
--- a/net/sched/cls_rsvp.h
+++ b/net/sched/cls_rsvp.h
@@ -130,7 +130,7 @@
 		return r;				\
 }
 
-static int rsvp_classify(struct sk_buff *skb, struct tcf_proto *tp,
+static int rsvp_classify(struct sk_buff *skb, const struct tcf_proto *tp,
 			 struct tcf_result *res)
 {
 	struct rsvp_session **sht = ((struct rsvp_head *)tp->root)->ht;