net_sched: remove the first parameter from tcf_exts_destroy()

Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Jamal Hadi Salim <hadi@mojatatu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c
index 15c34d4..3409f16 100644
--- a/net/sched/cls_cgroup.c
+++ b/net/sched/cls_cgroup.c
@@ -86,7 +86,7 @@
 						    struct cls_cgroup_head,
 						    rcu);
 
-	tcf_exts_destroy(head->tp, &head->exts);
+	tcf_exts_destroy(&head->exts);
 	tcf_em_tree_destroy(head->tp, &head->ematches);
 	kfree(head);
 }
@@ -135,7 +135,7 @@
 
 	err = tcf_em_tree_validate(tp, tb[TCA_CGROUP_EMATCHES], &t);
 	if (err < 0) {
-		tcf_exts_destroy(tp, &e);
+		tcf_exts_destroy(&e);
 		goto errout;
 	}
 
@@ -156,7 +156,7 @@
 	struct cls_cgroup_head *head = rtnl_dereference(tp->root);
 
 	if (head) {
-		tcf_exts_destroy(tp, &head->exts);
+		tcf_exts_destroy(&head->exts);
 		tcf_em_tree_destroy(tp, &head->ematches);
 		RCU_INIT_POINTER(tp->root, NULL);
 		kfree_rcu(head, rcu);