1 files changed, 5 insertions, 38 deletions

diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c
index 03e389e8d945..3a9569a3396c 100644
--- a/net/sched/sch_cbq.c
+++ b/net/sched/sch_cbq.c
@@ -405,40 +405,6 @@ cbq_enqueue(struct sk_buff *skb, struct Qdisc *sch)
         return ret;
 }
 
-static int
-cbq_requeue(struct sk_buff *skb, struct Qdisc *sch)
-{
-        struct cbq_sched_data *q = qdisc_priv(sch);
-        struct cbq_class *cl;
-        int ret;
-
-        if ((cl = q->tx_class) == NULL) {
-                kfree_skb(skb);
-                sch->qstats.drops++;
-                return NET_XMIT_CN;
-        }
-        q->tx_class = NULL;
-
-        cbq_mark_toplevel(q, cl);
-
-#ifdef CONFIG_NET_CLS_ACT
-        q->rx_class = cl;
-        cl->q->__parent = sch;
-#endif
-        if ((ret = cl->q->ops->requeue(skb, cl->q)) == 0) {
-                sch->q.qlen++;
-                sch->qstats.requeues++;
-                if (!cl->next_alive)
-                        cbq_activate_class(cl);
-                return 0;
-        }
-        if (net_xmit_drop_count(ret)) {
-                sch->qstats.drops++;
-                cl->qstats.drops++;
-        }
-        return ret;
-}
-
 /* Overlimit actions */
 
 /* TC_CBQ_OVL_CLASSIC: (default) penalize leaf class by adding offtime */
@@ -1669,7 +1635,8 @@ static int cbq_graft(struct Qdisc *sch, unsigned long arg, struct Qdisc *new,
 #endif
                 }
                 sch_tree_lock(sch);
-                *old = xchg(&cl->q, new);
+                *old = cl->q;
+                cl->q = new;
                 qdisc_tree_decrease_qlen(*old, (*old)->q.qlen);
                 qdisc_reset(*old);
                 sch_tree_unlock(sch);
@@ -1810,8 +1777,8 @@ cbq_change_class(struct Qdisc *sch, u32 classid, u32 parentid, struct nlattr **t
                         cbq_deactivate_class(cl);
 
                 if (rtab) {
-                        rtab = xchg(&cl->R_tab, rtab);
-                        qdisc_put_rtab(rtab);
+                        qdisc_put_rtab(cl->R_tab);
+                        cl->R_tab = rtab;
                 }
 
                 if (tb[TCA_CBQ_LSSOPT])
@@ -2066,7 +2033,7 @@ static struct Qdisc_ops cbq_qdisc_ops __read_mostly = {
         .priv_size      =       sizeof(struct cbq_sched_data),
         .enqueue        =       cbq_enqueue,
         .dequeue        =       cbq_dequeue,
-        .requeue        =       cbq_requeue,
+        .peek           =       qdisc_peek_dequeued,
         .drop           =       cbq_drop,
         .init           =       cbq_init,
         .reset          =       cbq_reset,