net: sched: remove unused tcf_result extension

Added by:
commit e5cf1baf92 ("act_mirred: use TC_ACT_REINSERT when possible")
but no longer useful.

Signed-off-by: Jamal Hadi Salim <jhs@mojatatu.com>
Link: https://lore.kernel.org/r/20220919130627.3551233-1-jhs@mojatatu.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

include/net/sch_generic.h

@@ -326,11 +326,6 @@ struct tcf_result {
 		};
 		const struct tcf_proto *goto_tp;
 
-		/* used in the skb_tc_reinsert function */
-		struct {
-			bool		ingress;
-			struct gnet_stats_queue *qstats;
-		};
 	};
 };
 

net/sched/act_mirred.c

@@ -305,8 +305,7 @@ static int tcf_mirred_act(struct sk_buff *skb, const struct tc_action *a,
 
 		/* let's the caller reinsert the packet, if possible */
 		if (use_reinsert) {
-			res->ingress = want_ingress;
-			err = tcf_mirred_forward(res->ingress, skb);
+			err = tcf_mirred_forward(want_ingress, skb);
 			if (err)
 				tcf_action_inc_overlimit_qstats(&m->common);
 			__this_cpu_dec(mirred_rec_level);