linux-kernel - Re: [PATCH net-next] net/sched: remove return value of unregister_tcf_proto

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Date:   Tue, 5 Jul 2022 18:43:26 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     Zhengchao Shao <shaozhengchao@...wei.com>
Cc:     <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
        <jhs@...atatu.com>, <xiyou.wangcong@...il.com>, <jiri@...nulli.us>,
        <davem@...emloft.net>, <edumazet@...gle.com>, <pabeni@...hat.com>,
        <weiyongjun1@...wei.com>, <yuehaibing@...wei.com>
Subject: Re: [PATCH net-next] net/sched: remove return value of
 unregister_tcf_proto_ops

On Mon, 4 Jul 2022 20:43:22 +0800 Zhengchao Shao wrote:
> Return value of unregister_tcf_proto_ops is useless, remove it.

s/useless/unused/ ?

Should we add a WARN if the ops getting removed can't be found or there
are callers which depend on handling unregistered ops without a warning?