[PKT_SCHED]: remove unneccessary checks for qdisc->dev

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@redhat.com>

net/sched/sch_api.c

@@ -752,7 +752,7 @@ static int tc_fill_qdisc(struct sk_buff *skb, struct Qdisc *q, u32 clid,
 	nlh->nlmsg_flags = flags;
 	tcm = NLMSG_DATA(nlh);
 	tcm->tcm_family = AF_UNSPEC;
-	tcm->tcm_ifindex = q->dev ? q->dev->ifindex : 0;
+	tcm->tcm_ifindex = q->dev->ifindex;
 	tcm->tcm_parent = clid;
 	tcm->tcm_handle = q->handle;
 	tcm->tcm_info = atomic_read(&q->refcnt);
@@ -969,7 +969,7 @@ static int tc_fill_tclass(struct sk_buff *skb, struct Qdisc *q,
 	nlh->nlmsg_flags = flags;
 	tcm = NLMSG_DATA(nlh);
 	tcm->tcm_family = AF_UNSPEC;
-	tcm->tcm_ifindex = q->dev ? q->dev->ifindex : 0;
+	tcm->tcm_ifindex = q->dev->ifindex;
 	tcm->tcm_parent = q->handle;
 	tcm->tcm_handle = q->handle;
 	tcm->tcm_info = 0;

net/sched/sch_generic.c

@@ -441,8 +441,7 @@ static void __qdisc_destroy(struct rcu_head *head)
 	write_unlock(&qdisc_tree_lock);
 	module_put(ops->owner);
 
-	if (qdisc->dev)
-		dev_put(qdisc->dev);
+	dev_put(qdisc->dev);
 	if (!(qdisc->flags&TCQ_F_BUILTIN))
 		kfree(qdisc);
 }