netdev - Re: [PATCH net-next v2 2/4] net/sched: sch_qfq: use extack on errors messages

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Message-ID: <CAM0EoMnr_a5-R_HdUGk7tG9s9KesReVhch=5ncp44aaPBv6BKA@mail.gmail.com>
Date:   Mon, 17 Apr 2023 17:33:34 -0400
From:   Jamal Hadi Salim <jhs@...atatu.com>
To:     Pedro Tammela <pctammela@...atatu.com>
Cc:     netdev@...r.kernel.org, xiyou.wangcong@...il.com, jiri@...nulli.us,
        davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
        pabeni@...hat.com
Subject: Re: [PATCH net-next v2 2/4] net/sched: sch_qfq: use extack on errors messages

On Mon, Apr 17, 2023 at 1:12 PM Pedro Tammela <pctammela@...atatu.com> wrote:
>
> Some error messages are still being printed to dmesg.
> Since extack is available, provide error messages there.
>
> Signed-off-by: Pedro Tammela <pctammela@...atatu.com>

Acked-by: Jamal Hadi Salim <jhs@...atatu.com>

> ---
>  net/sched/sch_qfq.c | 9 +++++----
>  1 file changed, 5 insertions(+), 4 deletions(-)
>
> diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c
> index cf5ebe43b3b4..323609cfbc67 100644
> --- a/net/sched/sch_qfq.c
> +++ b/net/sched/sch_qfq.c
> @@ -402,8 +402,8 @@ static int qfq_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
>         int err;
>         int delta_w;
>
> -       if (tca[TCA_OPTIONS] == NULL) {
> -               pr_notice("qfq: no options\n");
> +       if (NL_REQ_ATTR_CHECK(extack, NULL, tca, TCA_OPTIONS)) {
> +               NL_SET_ERR_MSG_MOD(extack, "missing options");
>                 return -EINVAL;
>         }
>
> @@ -441,8 +441,9 @@ static int qfq_change_class(struct Qdisc *sch, u32 classid, u32 parentid,
>         delta_w = weight - (cl ? cl->agg->class_weight : 0);
>
>         if (q->wsum + delta_w > QFQ_MAX_WSUM) {
> -               pr_notice("qfq: total weight out of range (%d + %u)\n",
> -                         delta_w, q->wsum);
> +               NL_SET_ERR_MSG_FMT_MOD(extack,
> +                                      "total weight out of range (%d + %u)\n",
> +                                      delta_w, q->wsum);
>                 return -EINVAL;
>         }
>
> --
> 2.34.1
>