linux-kernel - [PATCH v2 net-next] taprio: remove unused variable 'entry_list

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Message-ID: <20190809014923.69328-1-yuehaibing@huawei.com>
Date:   Fri, 9 Aug 2019 09:49:23 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <davem@...emloft.net>, <jhs@...atatu.com>,
        <xiyou.wangcong@...il.com>, <jiri@...nulli.us>,
        <vinicius.gomes@...el.com>
CC:     <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
        YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH v2 net-next] taprio: remove unused variable 'entry_list_policy'

net/sched/sch_taprio.c:680:32: warning:
 entry_list_policy defined but not used [-Wunused-const-variable=]

One of the points of commit a3d43c0d56f1 ("taprio: Add support adding
an admin schedule") is that it removes support (it now returns "not
supported") for schedules using the TCA_TAPRIO_ATTR_SCHED_SINGLE_ENTRY
attribute (which were never used), the parsing of those types of schedules
was the only user of this policy. So removing this policy should be fine.

Reported-by: Hulk Robot <hulkci@...wei.com>
Suggested-by: Vinicius Costa Gomes <vinicius.gomes@...el.com>
Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
v2: respin commit log using Vinicius's explanation.
---
 net/sched/sch_taprio.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/net/sched/sch_taprio.c b/net/sched/sch_taprio.c
index c39db50..046fd2c 100644
--- a/net/sched/sch_taprio.c
+++ b/net/sched/sch_taprio.c
@@ -677,10 +677,6 @@ static const struct nla_policy entry_policy[TCA_TAPRIO_SCHED_ENTRY_MAX + 1] = {
 	[TCA_TAPRIO_SCHED_ENTRY_INTERVAL]  = { .type = NLA_U32 },
 };
 
-static const struct nla_policy entry_list_policy[TCA_TAPRIO_SCHED_MAX + 1] = {
-	[TCA_TAPRIO_SCHED_ENTRY] = { .type = NLA_NESTED },
-};
-
 static const struct nla_policy taprio_policy[TCA_TAPRIO_ATTR_MAX + 1] = {
 	[TCA_TAPRIO_ATTR_PRIOMAP]	       = {
 		.len = sizeof(struct tc_mqprio_qopt)
-- 
2.7.4