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

Message ID 1489654145-20532-3-git-send-email-ogerlitz@mellanox.com
State Changes Requested, archived
Delegated to: David Miller
Headers show

Commit Message

Or Gerlitz March 16, 2017, 8:49 a.m. UTC
The code introduced by commit 2ccccf5fb "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

Sergei Shtylyov March 16, 2017, 10:10 a.m. UTC | #1
Hello!

On 3/16/2017 11:49 AM, Or Gerlitz wrote:

> The code introduced by commit 2ccccf5fb "net_sched: update hierarchical
> backlog too" only sets prev_backlog in fq_codel_dequeue() but not

    Need 12 hex digits and () around "<summary>"; see 
Documentation/process/submitting-patches.rst.

> using that anywhere, remove that setting.
>
> Cc: Cong Wang <xiyou.wangcong@gmail.com>
> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
[...]

MBR, Sergei
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,