diff mbox

[net-next,V2,2/2] net/sched: fq_codel: Avoid set-but-unused variable

Message ID 1489661622-14498-3-git-send-email-ogerlitz@mellanox.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Or Gerlitz March 16, 2017, 10:53 a.m. UTC
The code introduced by commit 2ccccf5fb43f ("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>
---
 net/sched/sch_fq_codel.c | 2 --
 1 file changed, 2 deletions(-)

Comments

Eric Dumazet March 16, 2017, 12:28 p.m. UTC | #1
On Thu, 2017-03-16 at 12:53 +0200, Or Gerlitz wrote:
> The code introduced by commit 2ccccf5fb43f ("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>
> ---
>  net/sched/sch_fq_codel.c | 2 --
>  1 file changed, 2 deletions(-)

Acked-by: Eric Dumazet <edumazet@google.com>

Thanks !
diff mbox

Patch

diff --git a/net/sched/sch_fq_codel.c b/net/sched/sch_fq_codel.c
index 9f3a884..097bbe9 100644
--- a/net/sched/sch_fq_codel.c
+++ b/net/sched/sch_fq_codel.c
@@ -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 @@  static struct sk_buff *fq_codel_dequeue(struct Qdisc *sch)
 
 	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,