[NET_SCHED]: teql_enqueue can check limits before skb enqueue

Optimize teql_enqueue so that it first checks limits before enqueing.

Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 3 deletions

diff --git a/net/sched/sch_teql.c b/net/sched/sch_teql.c
index d24914db7861..f05ad9a30b4c 100644
--- a/net/sched/sch_teql.c
+++ b/net/sched/sch_teql.c
@@ -94,14 +94,13 @@ teql_enqueue(struct sk_buff *skb, struct Qdisc* sch)
         struct net_device *dev = sch->dev;
         struct teql_sched_data *q = qdisc_priv(sch);
 
-        __skb_queue_tail(&q->q, skb);
-        if (q->q.qlen <= dev->tx_queue_len) {
+        if (q->q.qlen < dev->tx_queue_len) {
+                __skb_queue_tail(&q->q, skb);
                 sch->bstats.bytes += skb->len;
                 sch->bstats.packets++;
                 return 0;
         }
 
-        __skb_unlink(skb, &q->q);
         kfree_skb(skb);
         sch->qstats.drops++;
         return NET_XMIT_DROP;