linux-kernel - Re: [PATCH] net: sched: Fix restricted _

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Message-ID: <b9a9aaef-a306-4fcf-83df-28140d9311bf@mojatatu.com>
Date:   Fri, 17 Nov 2023 09:06:11 -0300
From:   Pedro Tammela <pctammela@...atatu.com>
To:     Kunwu Chan <chentao@...inos.cn>, jhs@...atatu.com,
        xiyou.wangcong@...il.com, jiri@...nulli.us, davem@...emloft.net,
        edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com
Cc:     kunwu.chan@...mail.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] net: sched: Fix restricted __be16 degrades to integer

On 17/11/2023 07:18, Kunwu Chan wrote:
> net/sched/cls_api.c:2010:25: warning: restricted __be16 degrades to integer
> net/sched/cls_api.c:2695:50: warning: restricted __be16 degrades to integer
> 
> Signed-off-by: Kunwu Chan <chentao@...inos.cn>
> ---
>   net/sched/cls_api.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
> index f73f39f61f66..4c47490eb0c1 100644
> --- a/net/sched/cls_api.c
> +++ b/net/sched/cls_api.c
> @@ -2007,7 +2007,7 @@ static int tcf_fill_node(struct net *net, struct sk_buff *skb,
>   		tcm->tcm_ifindex = TCM_IFINDEX_MAGIC_BLOCK;
>   		tcm->tcm_block_index = block->index;
>   	}
> -	tcm->tcm_info = TC_H_MAKE(tp->prio, tp->protocol);
> +	tcm->tcm_info = TC_H_MAKE(tp->prio, be16_to_cpu(tp->protocol));
>   	if (nla_put_string(skb, TCA_KIND, tp->ops->kind))
>   		goto nla_put_failure;
>   	if (nla_put_u32(skb, TCA_CHAIN, tp->chain->index))
> @@ -2692,7 +2692,7 @@ static bool tcf_chain_dump(struct tcf_chain *chain, struct Qdisc *q, u32 parent,
>   		    TC_H_MAJ(tcm->tcm_info) != tp->prio)
>   			continue;
>   		if (TC_H_MIN(tcm->tcm_info) &&
> -		    TC_H_MIN(tcm->tcm_info) != tp->protocol)
> +		    TC_H_MIN(tcm->tcm_info) != be16_to_cpu(tp->protocol))
>   			continue;
>   		if (*p_index > index_start)
>   			memset(&cb->args[1], 0,

I don't believe there's something to fix here