The Linux Kernel Mailing List
 help / color / mirror / Atom feed
From: Richard Cochran <richardcochran@gmail.com>
To: Grygorii Strashko <grygorii.strashko@ti.com>
Cc: Wang Qing <wangqing@vivo.com>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>, Samuel Zou <zou_wei@huawei.com>,
	Kurt Kanzenbach <kurt@linutronix.de>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] net/ethernet: update ret when ptp_clock is ERROR
Date: Sat, 7 Nov 2020 07:07:02 -0800	[thread overview]
Message-ID: <20201107150702.GC9653@hoboy.vegasvil.org> (raw)
In-Reply-To: <fd46310f-0b4e-ac8b-b187-98438ee6bb60@ti.com>

On Fri, Nov 06, 2020 at 01:34:04PM +0200, Grygorii Strashko wrote:
> And ptp_clock_register() can return NULL only if PTP support is disabled.

Not true in general ...

> In which case, we should not even get here.

only because the Kconfig uses "depends on" instead of "implies"
PTP_1588_CLOCK.

> So, I'd propose to s/IS_ERR_OR_NULL/IS_ERR above,
> and just assign ret = PTR_ERR(cpts->ptp_clock) here.

No, please no -- don't make another bad example for people to
copy/paste.

Thanks,
Richard

  parent reply	other threads:[~2020-11-07 15:07 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-06  7:56 [PATCH] net/ethernet: update ret when ptp_clock is ERROR Wang Qing
2020-11-06 11:34 ` Grygorii Strashko
2020-11-06 12:11   ` Arnd Bergmann
2020-11-06 12:58     ` Kurt Kanzenbach
2020-11-06 14:48       ` Grygorii Strashko
2020-11-07 15:07   ` Richard Cochran [this message]
2020-11-07 15:08 ` Richard Cochran
2020-11-11 13:03   ` Grygorii Strashko

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20201107150702.GC9653@hoboy.vegasvil.org \
    --to=richardcochran@gmail.com \
    --cc=davem@davemloft.net \
    --cc=grygorii.strashko@ti.com \
    --cc=kuba@kernel.org \
    --cc=kurt@linutronix.de \
    --cc=linux-kernel@vger.kernel.org \
    --cc=netdev@vger.kernel.org \
    --cc=wangqing@vivo.com \
    --cc=zou_wei@huawei.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox