net_sched: remove the unused parameter of qdisc_create_dflt()

The first parameter dev isn't in use in qdisc_create_dflt().

Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Acked-by: Jamal Hadi Salim <hadi@cyberus.ca>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c
index 28c01ef..eb76315 100644
--- a/net/sched/sch_cbq.c
+++ b/net/sched/sch_cbq.c
@@ -1379,9 +1379,9 @@
 	q->link.sibling = &q->link;
 	q->link.common.classid = sch->handle;
 	q->link.qdisc = sch;
-	if (!(q->link.q = qdisc_create_dflt(qdisc_dev(sch), sch->dev_queue,
-					    &pfifo_qdisc_ops,
-					    sch->handle)))
+	q->link.q = qdisc_create_dflt(sch->dev_queue, &pfifo_qdisc_ops,
+				      sch->handle);
+	if (!q->link.q)
 		q->link.q = &noop_qdisc;
 
 	q->link.priority = TC_CBQ_MAXPRIO-1;
@@ -1623,7 +1623,7 @@
 	struct cbq_class *cl = (struct cbq_class*)arg;
 
 	if (new == NULL) {
-		new = qdisc_create_dflt(qdisc_dev(sch), sch->dev_queue,
+		new = qdisc_create_dflt(sch->dev_queue,
 					&pfifo_qdisc_ops, cl->common.classid);
 		if (new == NULL)
 			return -ENOBUFS;
@@ -1874,8 +1874,8 @@
 	cl->R_tab = rtab;
 	rtab = NULL;
 	cl->refcnt = 1;
-	if (!(cl->q = qdisc_create_dflt(qdisc_dev(sch), sch->dev_queue,
-					&pfifo_qdisc_ops, classid)))
+	cl->q = qdisc_create_dflt(sch->dev_queue, &pfifo_qdisc_ops, classid);
+	if (!cl->q)
 		cl->q = &noop_qdisc;
 	cl->common.classid = classid;
 	cl->tparent = parent;