1 files changed, 5 insertions, 1 deletions

diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 16bc83b2842a..80742edea96f 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -159,12 +159,15 @@ int sch_direct_xmit(struct sk_buff *skb, struct Qdisc *q,
         if (validate)
                 skb = validate_xmit_skb_list(skb, dev);
 
-        if (skb) {
+        if (likely(skb)) {
                 HARD_TX_LOCK(dev, txq, smp_processor_id());
                 if (!netif_xmit_frozen_or_stopped(txq))
                         skb = dev_hard_start_xmit(skb, dev, txq, &ret);
 
                 HARD_TX_UNLOCK(dev, txq);
+        } else {
+                spin_lock(root_lock);
+                return qdisc_qlen(q);
         }
         spin_lock(root_lock);
 
@@ -567,6 +570,7 @@ struct Qdisc_ops pfifo_fast_ops __read_mostly = {
         .dump           =       pfifo_fast_dump,
         .owner          =       THIS_MODULE,
 };
+EXPORT_SYMBOL(pfifo_fast_ops);
 
 static struct lock_class_key qdisc_tx_busylock;