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Diffstat (limited to 'net/sched/sch_netem.c')
-rw-r--r--net/sched/sch_netem.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index 3f87ddb1777d..e9812e21dbc9 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -441,6 +441,10 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch,
int nb = 0;
int count = 1;
int rc = NET_XMIT_SUCCESS;
+ int rc_drop = NET_XMIT_DROP;
+
+ /* Do not fool qdisc_drop_all() */
+ skb->prev = NULL;
/* Random duplication */
if (q->duplicate && q->duplicate >= get_crandom(&q->dup_cor))
@@ -477,6 +481,7 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch,
q->duplicate = 0;
rootq->enqueue(skb2, rootq, to_free);
q->duplicate = dupsave;
+ rc_drop = NET_XMIT_SUCCESS;
}
/*
@@ -489,7 +494,7 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch,
if (skb_is_gso(skb)) {
segs = netem_segment(skb, sch, to_free);
if (!segs)
- return NET_XMIT_DROP;
+ return rc_drop;
} else {
segs = skb;
}
@@ -512,8 +517,10 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch,
1<<(prandom_u32() % 8);
}
- if (unlikely(sch->q.qlen >= sch->limit))
- return qdisc_drop_all(skb, sch, to_free);
+ if (unlikely(sch->q.qlen >= sch->limit)) {
+ qdisc_drop_all(skb, sch, to_free);
+ return rc_drop;
+ }
qdisc_qstats_backlog_inc(sch, skb);