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

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Date:   Wed, 6 Jul 2022 01:52:38 +0000
From:   shaozhengchao <shaozhengchao@...wei.com>
To:     Jakub Kicinski <kuba@...nel.org>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        "jhs@...atatu.com" <jhs@...atatu.com>,
        "xiyou.wangcong@...il.com" <xiyou.wangcong@...il.com>,
        "jiri@...nulli.us" <jiri@...nulli.us>,
        "davem@...emloft.net" <davem@...emloft.net>,
        "edumazet@...gle.com" <edumazet@...gle.com>,
        "pabeni@...hat.com" <pabeni@...hat.com>,
        "weiyongjun (A)" <weiyongjun1@...wei.com>,
        yuehaibing <yuehaibing@...wei.com>
Subject: 答复: [PATCH net-next] net/sched: remove return value of unregister_tcf_proto_ops


-----邮件原件-----
发件人: Jakub Kicinski [mailto:kuba@...nel.org] 
发送时间: 2022年7月6日 9:43
收件人: shaozhengchao <shaozhengchao@...wei.com>
抄送: 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; weiyongjun (A) <weiyongjun1@...wei.com>; yuehaibing <yuehaibing@...wei.com>
主题: 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?

Hi Jakub Kicinski:
	Thank you for your apply. This patch does just remove the return value and change the function type from int to void. It doesn't remove the function.

Zhengchao Shao