From: Oliver Neukum <oneukum@suse.com>
To: Vincent MAILHOL <mailhol.vincent@wanadoo.fr>,
Oliver Neukum <oneukum@suse.com>
Cc: "Marc Kleine-Budde" <mkl@pengutronix.de>,
linux-can@vger.kernel.org,
"Wolfgang Grandegger" <wg@grandegger.com>,
"David S . Miller" <davem@davemloft.net>,
"Eric Dumazet" <edumazet@google.com>,
"Jakub Kicinski" <kuba@kernel.org>,
"Paolo Abeni" <pabeni@redhat.com>,
"Frank Jungclaus" <frank.jungclaus@esd.eu>,
socketcan@esd.eu, "Yasushi SHOJI" <yashi@spacecubics.com>,
"Stefan Mätje" <stefan.maetje@esd.eu>,
"Hangyu Hua" <hbh25y@gmail.com>,
"Oliver Hartkopp" <socketcan@hartkopp.net>,
"Peter Fink" <pfink@christ-es.de>,
"Jeroen Hofstee" <jhofstee@victronenergy.com>,
"Christoph Möhring" <cmoehring@christ-es.de>,
"John Whittington" <git@jbrengineering.co.uk>,
"Vasanth Sadhasivan" <vasanth.sadhasivan@samsara.com>,
"Jimmy Assarsson" <extja@kvaser.com>,
"Anssi Hannula" <anssi.hannula@bitwise.fi>,
"Pavel Skripkin" <paskripkin@gmail.com>,
"Stephane Grosjean" <s.grosjean@peak-system.com>,
"Wolfram Sang" <wsa+renesas@sang-engineering.com>,
"Gustavo A . R . Silva" <gustavoars@kernel.org>,
"Julia Lawall" <Julia.Lawall@inria.fr>,
"Dongliang Mu" <dzm91@hust.edu.cn>,
"Sebastian Haas" <haas@ems-wuensche.com>,
"Maximilian Schneider" <max@schneidersoft.net>,
"Daniel Berglund" <db@kvaser.com>,
"Olivier Sobrie" <olivier@sobrie.be>,
"Remigiusz Kołłątaj" <remigiusz.kollataj@mobica.com>,
"Jakob Unterwurzacher"
<jakob.unterwurzacher@theobroma-systems.com>,
"Martin Elshuber" <martin.elshuber@theobroma-systems.com>,
"Bernd Krumboeck" <b.krumboeck@gmail.com>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
"Alan Stern" <stern@rowland.harvard.edu>,
linux-usb@vger.kernel.org
Subject: Re: [PATCH 0/8] can: usb: remove all usb_set_intfdata(intf, NULL) in drivers' disconnect()
Date: Thu, 8 Dec 2022 17:51:18 +0100 [thread overview]
Message-ID: <9d1fac95-d7e0-69a5-c6c1-9df5bd90bcb0@suse.com> (raw)
In-Reply-To: <CAMZ6RqL9eKco+fAMZoQ6X9PNE7dDK3KnFZoMCXrjgvx_ZU8=Ew@mail.gmail.com>
On 08.12.22 16:44, Vincent MAILHOL wrote:
> On Thu. 8 Dec. 2022 at 20:04, Oliver Neukum <oneukum@suse.com> wrote:
>> On 08.12.22 10:00, Vincent MAILHOL wrote:
>>> On Mon. 5 Dec. 2022 at 17:39, Oliver Neukum <oneukum@suse.com> wrote:
>>>> On 03.12.22 14:31, Vincent Mailhol wrote:
>>
>> Good Morning!
>
> Good night! (different time zone :))
Good evening!
>
> How do you check that disconnect() has proceeded *to a given point*
> using intf without being racy? You can check if it has already
> completed once but not check how far it has proceeded, right?
You'd use intfdata, which is a pointer stored in intf.
But other than that the simplest way would be to use a mutex.
Regards
Oliver
next prev parent reply other threads:[~2022-12-08 16:51 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-03 13:31 [PATCH 0/8] can: usb: remove all usb_set_intfdata(intf, NULL) in drivers' disconnect() Vincent Mailhol
2022-12-03 13:31 ` [PATCH 1/8] can: ems_usb: ems_usb_disconnect(): fix NULL pointer dereference Vincent Mailhol
2022-12-03 13:31 ` [PATCH 2/8] can: esd_usb: esd_usb_disconnect(): " Vincent Mailhol
2022-12-03 13:31 ` [PATCH 3/8] can: gs_usb: gs_usb_disconnect(): " Vincent Mailhol
2022-12-03 13:31 ` [PATCH 4/8] can: kvaser_usb: kvaser_usb_disconnect(): " Vincent Mailhol
2022-12-03 13:31 ` [PATCH 5/8] can: mcba_usb: mcba_usb_disconnect(): " Vincent Mailhol
2022-12-03 13:31 ` [PATCH 6/8] can: ucan: ucan_disconnect(): " Vincent Mailhol
2022-12-03 13:31 ` [PATCH 7/8] can: usb_8dev: usb_8dev_disconnect(): " Vincent Mailhol
2022-12-03 13:31 ` [PATCH 8/8] can: etas_es58x and peak_usb: remove useless call to usb_set_intfdata() Vincent Mailhol
2022-12-05 8:35 ` [PATCH 0/8] can: usb: remove all usb_set_intfdata(intf, NULL) in drivers' disconnect() Oliver Neukum
2022-12-08 9:00 ` Vincent MAILHOL
2022-12-08 10:55 ` Oliver Neukum
2022-12-08 15:44 ` Vincent MAILHOL
2022-12-08 16:28 ` Alan Stern
2022-12-08 16:51 ` Oliver Neukum [this message]
2022-12-10 9:02 ` Vincent MAILHOL
2022-12-10 9:01 ` [PATCH v2 0/9] " Vincent Mailhol
2022-12-10 9:01 ` [PATCH v2 1/9] can: ems_usb: ems_usb_disconnect(): fix NULL pointer dereference Vincent Mailhol
2022-12-10 10:59 ` Johan Hovold
2022-12-11 11:24 ` Vincent MAILHOL
2022-12-10 9:01 ` [PATCH v2 2/9] can: esd_usb: esd_usb_disconnect(): " Vincent Mailhol
2022-12-10 9:01 ` [PATCH v2 3/9] can: gs_usb: gs_usb_disconnect(): " Vincent Mailhol
2022-12-10 9:01 ` [PATCH v2 4/9] can: kvaser_usb: kvaser_usb_disconnect(): " Vincent Mailhol
2022-12-10 9:01 ` [PATCH v2 5/9] can: mcba_usb: mcba_usb_disconnect(): " Vincent Mailhol
2022-12-10 9:01 ` [PATCH v2 6/9] can: ucan: ucan_disconnect(): " Vincent Mailhol
2022-12-10 9:01 ` [PATCH v2 7/9] can: usb_8dev: usb_8dev_disconnect(): " Vincent Mailhol
2022-12-10 9:01 ` [PATCH v2 8/9] can: usb: remove useless check on driver data Vincent Mailhol
2022-12-10 9:01 ` [PATCH v2 9/9] can: etas_es58x and peak_usb: remove useless call to usb_set_intfdata() Vincent Mailhol
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