net_sched: fold tcf_block_cb_call() into tc_setup_cb_call()

After commit 69bd48404f25 ("net/sched: Remove egdev mechanism"),
tc_setup_cb_call() is nearly identical to tcf_block_cb_call(),
so we can just fold tcf_block_cb_call() into tc_setup_cb_call()
and remove its unused parameter 'exts'.

Fixes: 69bd48404f25 ("net/sched: Remove egdev mechanism")
Cc: Oz Shlomo <ozsh@mellanox.com>
Cc: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Oz Shlomo <ozsh@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h
index ea191d8..40965fb 100644
--- a/include/net/pkt_cls.h
+++ b/include/net/pkt_cls.h
@@ -619,8 +619,8 @@ tcf_match_indev(struct sk_buff *skb, int ifindex)
 }
 #endif /* CONFIG_NET_CLS_IND */
 
-int tc_setup_cb_call(struct tcf_block *block, struct tcf_exts *exts,
-		     enum tc_setup_type type, void *type_data, bool err_stop);
+int tc_setup_cb_call(struct tcf_block *block, enum tc_setup_type type,
+		     void *type_data, bool err_stop);
 
 enum tc_block_command {
 	TC_BLOCK_BIND,