public inbox for linux-rdma@vger.kernel.org
 help / color / mirror / Atom feed
From: Jason Gunthorpe <jgg@nvidia.com>
To: Devesh Sharma <devesh.sharma@broadcom.com>
Cc: Leon Romanovsky <leon@kernel.org>,
	Doug Ledford <dledford@redhat.com>,
	linux-rdma <linux-rdma@vger.kernel.org>,
	Naresh Kumar PBS <nareshkumar.pbs@broadcom.com>,
	Selvin Xavier <selvin.xavier@broadcom.com>,
	Somnath Kotur <somnath.kotur@broadcom.com>,
	Sriharsha Basavapatna <sriharsha.basavapatna@broadcom.com>
Subject: Re: [PATCH rdma-next] bnxt_re: Rely on Kconfig to keep module dependency
Date: Wed, 24 Mar 2021 13:56:48 -0300	[thread overview]
Message-ID: <20210324165648.GL2356281@nvidia.com> (raw)
In-Reply-To: <CANjDDBjKbDkbwnWV=kk8m2J_NdwjOir0Uoj2xahwEMVDfu-5CQ@mail.gmail.com>

On Wed, Mar 24, 2021 at 10:00:05PM +0530, Devesh Sharma wrote:

> > > > -static void bnxt_re_dev_unprobe(struct net_device *netdev,
> > > > -                           struct bnxt_en_dev *en_dev)
> > > > -{
> > > > -   dev_put(netdev);
> > > > -   module_put(en_dev->pdev->driver->driver.owner);
> > > > -}
> > >
> > > And you are right to be wondering WTF is this
> 
> Still trying to understand but what's the big idea here may be I can help.

A driver should not have module put things like the above

It should not be accessing ->driver without holding the device_lock()

Basically it is all nonsense coding, Leon suggests to delete it and he
is probably right.

Can you explain what it thinks it is doing?

Jason

  reply	other threads:[~2021-03-24 16:57 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-24 14:25 [PATCH rdma-next] bnxt_re: Rely on Kconfig to keep module dependency Leon Romanovsky
2021-03-24 15:07 ` Jason Gunthorpe
2021-03-24 15:16   ` Leon Romanovsky
2021-03-24 16:30     ` Devesh Sharma
2021-03-24 16:56       ` Jason Gunthorpe [this message]
2021-03-24 17:24         ` Devesh Sharma
2021-03-24 17:35           ` Jason Gunthorpe
2021-03-25  8:40             ` Leon Romanovsky
2021-03-26  6:09               ` Devesh Sharma

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=20210324165648.GL2356281@nvidia.com \
    --to=jgg@nvidia.com \
    --cc=devesh.sharma@broadcom.com \
    --cc=dledford@redhat.com \
    --cc=leon@kernel.org \
    --cc=linux-rdma@vger.kernel.org \
    --cc=nareshkumar.pbs@broadcom.com \
    --cc=selvin.xavier@broadcom.com \
    --cc=somnath.kotur@broadcom.com \
    --cc=sriharsha.basavapatna@broadcom.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