From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 82217168; Tue, 6 Jul 2021 10:25:46 +0000 (UTC) Received: by mail.kernel.org (Postfix) with ESMTPSA id 1F9FB619A9; Tue, 6 Jul 2021 10:25:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1625567145; bh=V+uGgWI7ODWDPnX93N2q4QxlyZDaMh1bjqAqdpBNoN4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=maDtNYbjZpDD0PKjc4+nM3Y213Akod8ccrNcZVsiy5KPtneyyahoRaDB5AbMrAwYJ m6oMoU+hcgZXNuCsoc9yJ2+bzIoCnRHsti/6uqBP8DKnPnXcD/khw96G8CUsBlPlvR uf0MJVwBY0fA5Npz0MHmvhwpdr+Wv2TOZMh4BI+fP5OWpWrOVsQ5Dquu1HsKCQm/Z3 7bqMd9M3OziVf290y6vu/n9lxKpsWMkO6NowOo/L+CwTy3kWF456W471Gj/HhlY3go paE6+JOD9eP6KydGYz0nficgDNBo/ZvaGMWNwDkXP9s9hxxto+00KpCpg6+2NdC4+K HB6sMk/Pez8VQ== Received: by pali.im (Postfix) id 93CEB6E9; Tue, 6 Jul 2021 12:25:42 +0200 (CEST) Date: Tue, 6 Jul 2021 12:25:42 +0200 From: Pali =?utf-8?B?Um9ow6Fy?= To: Uwe =?utf-8?Q?Kleine-K=C3=B6nig?= Cc: Greg Kroah-Hartman , kernel@pengutronix.de, linux-kernel@vger.kernel.org, Russell King , Thomas Bogendoerfer , "James E.J. Bottomley" , Helge Deller , Geoff Levand , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , "Rafael J. Wysocki" , Len Brown , William Breathitt Gray , =?utf-8?B?UmFmYcWCIE1pxYJlY2tp?= , Maxime Ripard , Chen-Yu Tsai , Jernej Skrabec , Alison Schofield , Vishal Verma , Ira Weiny , Ben Widawsky , Dan Williams , Dave Jiang , Vinod Koul , Stefan Richter , Sudeep Holla , Cristian Marussi , Wu Hao , Tom Rix , Moritz Fischer , Jiri Kosina , Benjamin Tissoires , Srinivas Pandruvada , "K. Y. Srinivasan" , Haiyang Zhang , Stephen Hemminger , Wei Liu , Dexuan Cui , Alexander Shishkin , Wolfram Sang , Alexandre Belloni , Dmitry Torokhov , Samuel Iglesias Gonsalvez , Jens Taprogge , Johannes Thumshirn , Mauro Carvalho Chehab , Maxim Levitsky , Alex Dubov , Ulf Hansson , Lee Jones , Tomas Winkler , Arnd Bergmann , Jakub Kicinski , "David S. Miller" , Jon Mason , Allen Hubbe , Kishon Vijay Abraham I , Lorenzo Pieralisi , Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= , Bjorn Helgaas , Dominik Brodowski , Maximilian Luz , Hans de Goede , Mark Gross , Matt Porter , Alexandre Bounine , Ohad Ben-Cohen , Bjorn Andersson , Mathieu Poirier , "Martin K. Petersen" , Thorsten Scherer , Srinivas Kandagatla , Andy Gross , Mark Brown , Stephen Boyd , Michael Buesch , Sven Van Asbroeck , Johan Hovold , Alex Elder , Andreas Noever , Michael Jamet , Mika Westerberg , Yehezkel Bernat , Rob Herring , Jiri Slaby , Heikki Krogerus , "Michael S. Tsirkin" , Jason Wang , Kirti Wankhede , Alex Williamson , Cornelia Huck , Martyn Welch , Manohar Vanga , Boris Ostrovsky , Juergen Gross , Stefano Stabellini , Johannes Berg , Jaroslav Kysela , Takashi Iwai , Marc Zyngier , Tyrel Datwyler , Vladimir Zapolskiy , Samuel Holland , Qinglang Miao , Alexey Kardashevskiy , Kai-Heng Feng , Joey Pabalan , Adrian Hunter , Frank Li , Mike Christie , Bodo Stroesser , Hannes Reinecke , David Woodhouse , SeongJae Park , Julien Grall , linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-acpi@vger.kernel.org, linux-wireless@vger.kernel.org, linux-sunxi@lists.linux.dev, linux-cxl@vger.kernel.org, nvdimm@lists.linux.dev, dmaengine@vger.kernel.org, linux1394-devel@lists.sourceforge.net, linux-fpga@vger.kernel.org, linux-input@vger.kernel.org, linux-hyperv@vger.kernel.org, linux-i2c@vger.kernel.org, linux-i3c@lists.infradead.org, industrypack-devel@lists.sourceforge.net, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, netdev@vger.kernel.org, linux-ntb@googlegroups.com, linux-pci@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-scsi@vger.kernel.org, alsa-devel@alsa-project.org, linux-arm-msm@vger.kernel.org, linux-spi@vger.kernel.org, linux-staging@lists.linux.dev, greybus-dev@lists.linaro.org, target-devel@vger.kernel.org, linux-usb@vger.kernel.org, linux-serial@vger.kernel.org, virtualization@lists.linux-foundation.org, kvm@vger.kernel.org, xen-devel@lists.xenproject.org Subject: Re: [PATCH] bus: Make remove callback return void Message-ID: <20210706102542.7lzvb6nm4ztmlarl@pali> References: <20210706095037.1425211-1-u.kleine-koenig@pengutronix.de> Precedence: bulk X-Mailing-List: nvdimm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20210706095037.1425211-1-u.kleine-koenig@pengutronix.de> User-Agent: NeoMutt/20180716 On Tuesday 06 July 2021 11:50:37 Uwe Kleine-König wrote: > The driver core ignores the return value of this callback because there > is only little it can do when a device disappears. > > This is the final bit of a long lasting cleanup quest where several > buses were converted to also return void from their remove callback. > Additionally some resource leaks were fixed that were caused by drivers > returning an error code in the expectation that the driver won't go > away. > > With struct bus_type::remove returning void it's prevented that newly > implemented buses return an ignored error code and so don't anticipate > wrong expectations for driver authors. > > Signed-off-by: Uwe Kleine-König Acked-by: Pali Rohár > --- > Hello, > > this patch depends on "PCI: endpoint: Make struct pci_epf_driver::remove > return void" that is not yet applied, see > https://lore.kernel.org/r/20210223090757.57604-1-u.kleine-koenig@pengutronix.de. > > I tested it using allmodconfig on amd64 and arm, but I wouldn't be > surprised if I still missed to convert a driver. So it would be great to > get this into next early after the merge window closes. > > I send this mail to all people that get_maintainer.pl emits for this > patch. I wonder how many recipents will refuse this mail because of the > long Cc: list :-) > > Best regards > Uwe