net_sched: netem: remove qdisc_is_throttled() use

Looks like it is only there as some optimization attempt.

Since __QDISC_STATE_THROTTLED set/unset is way too expensive,
and netem is the last user, just remove this check.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index 9ca7947..2dbe732 100644 (file)
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -582,9 +582,6 @@ static struct sk_buff *netem_dequeue(struct Qdisc *sch)
        struct sk_buff *skb;
        struct rb_node *p;
 
-       if (qdisc_is_throttled(sch))
-               return NULL;
-
 tfifo_dequeue:
        skb = __skb_dequeue(&sch->q);
        if (skb) {