linux-kernel - [PATCH net-next] net: sched: using TCQ_MIN_PRIO_BANDS in prio

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Message-ID: <20220826041035.80129-1-shaozhengchao@huawei.com>
Date:   Fri, 26 Aug 2022 12:10:35 +0800
From:   Zhengchao Shao <shaozhengchao@...wei.com>
To:     <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
        <pabeni@...hat.com>, <jhs@...atatu.com>,
        <xiyou.wangcong@...il.com>, <jiri@...nulli.us>
CC:     <weiyongjun1@...wei.com>, <yuehaibing@...wei.com>,
        <shaozhengchao@...wei.com>
Subject: [PATCH net-next] net: sched: using TCQ_MIN_PRIO_BANDS in prio_tune()

Using TCQ_MIN_PRIO_BANDS instead of magic number in prio_tune().

Signed-off-by: Zhengchao Shao <shaozhengchao@...wei.com>
---
 net/sched/sch_prio.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c
index 3b8d7197c06b..fbbd4f7015be 100644
--- a/net/sched/sch_prio.c
+++ b/net/sched/sch_prio.c
@@ -187,7 +187,7 @@ static int prio_tune(struct Qdisc *sch, struct nlattr *opt,
 		return -EINVAL;
 	qopt = nla_data(opt);
 
-	if (qopt->bands > TCQ_PRIO_BANDS || qopt->bands < 2)
+	if (qopt->bands > TCQ_PRIO_BANDS || qopt->bands < TCQ_MIN_PRIO_BANDS)
 		return -EINVAL;
 
 	for (i = 0; i <= TC_PRIO_MAX; i++) {
-- 
2.17.1