net: sched: delete unused input parameter in qdisc_create

The input parameter p is unused in qdisc_create. Delete it.
Signed-off-by: Zhengchao Shao <shaozhengchao@huawei.com>
Link: https://lore.kernel.org/r/20220815061023.51318-1-shaozhengchao@huawei.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

net/sched/sch_api.c

@@ -1164,7 +1164,7 @@ static int qdisc_block_indexes_set(struct Qdisc *sch, struct nlattr **tca,
 
 static struct Qdisc *qdisc_create(struct net_device *dev,
 				  struct netdev_queue *dev_queue,
-				  struct Qdisc *p, u32 parent, u32 handle,
+				  u32 parent, u32 handle,
 				  struct nlattr **tca, int *errp,
 				  struct netlink_ext_ack *extack)
 {
@@ -1641,7 +1641,7 @@ static int tc_modify_qdisc(struct sk_buff *skb, struct nlmsghdr *n,
 	}
 	if (clid == TC_H_INGRESS) {
 		if (dev_ingress_queue(dev)) {
-			q = qdisc_create(dev, dev_ingress_queue(dev), p,
+			q = qdisc_create(dev, dev_ingress_queue(dev),
 					 tcm->tcm_parent, tcm->tcm_parent,
 					 tca, &err, extack);
 		} else {
@@ -1658,7 +1658,7 @@ static int tc_modify_qdisc(struct sk_buff *skb, struct nlmsghdr *n,
 		else
 			dev_queue = netdev_get_tx_queue(dev, 0);
 
-		q = qdisc_create(dev, dev_queue, p,
+		q = qdisc_create(dev, dev_queue,
 				 tcm->tcm_parent, tcm->tcm_handle,
 				 tca, &err, extack);
 	}