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net/sched: fq_codel: Avoid set-but-unused variable 

The code introduced by commit 2ccccf5fb4 ("net_sched: update
hierarchical backlog too") only sets prev_backlog in fq_codel_dequeue()
but not using that anywhere, remove that setting.

Cc: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Or Gerlitz 2017-03-16 12:53:42 +02:00 committed by David S. Miller
parent 4dba87b073
commit a5e6a3b022
1 changed files with 0 additions and 2 deletions
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2
net/sched/sch_fq_codel.c
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@ -288,7 +288,6 @@ static struct sk_buff *fq_codel_dequeue(struct Qdisc *sch)
struct fq_codel_flow *flow;
struct list_head *head;
u32 prev_drop_count, prev_ecn_mark;
unsigned int prev_backlog;
begin:
head = &q->new_flows;
@ -307,7 +306,6 @@ begin:
prev_drop_count = q->cstats.drop_count;
prev_ecn_mark = q->cstats.ecn_mark;
prev_backlog = sch->qstats.backlog;
skb = codel_dequeue(sch, &sch->qstats.backlog, &q->cparams,
&flow->cvars, &q->cstats, qdisc_pkt_len,