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Message-ID: <20240201090046.1b93bcbd@kernel.org>
Date: Thu, 1 Feb 2024 09:00:46 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Jiri Pirko <jiri@...nulli.us>
Cc: Stephen Hemminger <stephen@...workplumber.org>, netdev@...r.kernel.org
Subject: Re: [PATCH 1/3] net/sched: netem: use extack
On Thu, 1 Feb 2024 10:30:27 +0100 Jiri Pirko wrote:
> Thu, Feb 01, 2024 at 04:45:58AM CET, stephen@...workplumber.org wrote:
> >- if (!opt)
> >+ if (!opt) {
> >+ NL_SET_ERR_MSG_MOD(extack, "Netem missing required parameters");
>
> Drop "Netem " here.
>
> Otherwise, this looks fine.
Looks like most sch's require opt. Would it be a bad idea to pull
the check out to the caller? Minor simplification, plus the caller
has the outer message so they can use NL_SET_ERR_ATTR_MISS() and
friends.
$ git grep -A1 'if (!opt)' -- net/sched/
net/sched/cls_fw.c: if (!opt)
net/sched/cls_fw.c- return handle ? -EINVAL : 0; /* Succeed if it is old method. */
--
net/sched/cls_u32.c: if (!opt) {
net/sched/cls_u32.c- if (handle) {
--
net/sched/sch_cbs.c: if (!opt) {
net/sched/sch_cbs.c- NL_SET_ERR_MSG(extack, "Missing CBS qdisc options which are mandatory");
--
net/sched/sch_drr.c: if (!opt) {
net/sched/sch_drr.c- NL_SET_ERR_MSG(extack, "DRR options are required for this operation");
--
net/sched/sch_etf.c: if (!opt) {
net/sched/sch_etf.c- NL_SET_ERR_MSG(extack,
--
net/sched/sch_ets.c: if (!opt) {
net/sched/sch_ets.c- NL_SET_ERR_MSG(extack, "ETS options are required for this operation");
--
net/sched/sch_ets.c: if (!opt)
net/sched/sch_ets.c- return -EINVAL;
--
net/sched/sch_gred.c: if (!opt)
net/sched/sch_gred.c- return -EINVAL;
--
net/sched/sch_htb.c: if (!opt)
net/sched/sch_htb.c- return -EINVAL;
--
net/sched/sch_htb.c: if (!opt)
net/sched/sch_htb.c- goto failure;
--
net/sched/sch_multiq.c: if (!opt)
net/sched/sch_multiq.c- return -EINVAL;
--
net/sched/sch_netem.c: if (!opt)
net/sched/sch_netem.c- return -EINVAL;
--
net/sched/sch_prio.c: if (!opt)
net/sched/sch_prio.c- return -EINVAL;
--
net/sched/sch_red.c: if (!opt)
net/sched/sch_red.c- return -EINVAL;
--
net/sched/sch_skbprio.c: if (!opt)
net/sched/sch_skbprio.c- return 0;
--
net/sched/sch_taprio.c: if (!opt)
net/sched/sch_taprio.c- return -EINVAL;
--
net/sched/sch_tbf.c: if (!opt)
net/sched/sch_tbf.c- return -EINVAL;
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