net: sched: remove check for number of actions in tcf_exts_exec

Leave it to tcf_action_exec to return TC_ACT_OK in case there is no
action present.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

include/net/pkt_cls.h

@@ -192,9 +192,7 @@ tcf_exts_exec(struct sk_buff *skb, struct tcf_exts *exts,
 	      struct tcf_result *res)
 {
 #ifdef CONFIG_NET_CLS_ACT
-	if (tcf_exts_has_actions(exts))
-		return tcf_action_exec(skb, exts->actions, exts->nr_actions,
-				       res);
+	return tcf_action_exec(skb, exts->actions, exts->nr_actions, res);
 #endif
 	return TC_ACT_OK;
 }

net/sched/act_api.c

@@ -473,9 +473,10 @@ static struct tc_action_ops *tc_lookup_action(struct nlattr *kind)
 int tcf_action_exec(struct sk_buff *skb, struct tc_action **actions,
 		    int nr_actions, struct tcf_result *res)
 {
-	int ret = -1, i;
 	u32 jmp_prgcnt = 0;
 	u32 jmp_ttl = TCA_ACT_MAX_PRIO; /*matches actions per filter */
+	int i;
+	int ret = TC_ACT_OK;
 
 	if (skb_skip_tc_classify(skb))
 		return TC_ACT_OK;