From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp-out2.suse.de (smtp-out2.suse.de [195.135.220.29]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5086D72; Tue, 6 Jul 2021 10:46:32 +0000 (UTC) Received: from imap1.suse-dmz.suse.de (imap1.suse-dmz.suse.de [192.168.254.73]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by smtp-out2.suse.de (Postfix) with ESMTPS id 76FC51FF3D; Tue, 6 Jul 2021 10:46:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1625568385; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=aE1tCzEag7jR0P5TuKfYDuKVYa2hKLfqqWSsRgXGqys=; b=kbxXFkbfywLW21QFTVgMsyOvn9qTOUblLSJWqHgBIsiRfwo1J8p4UmJOv35vRngZlw2jw3 Q5KizhgSEPfcAVW8vr7ZObobgpgToITHKjh56DmTUUpX0Zm48Z9JRylQn82E09V+AD3nbh XGQMqFQTupmrzkBqn+8TB7MpMoCQitk= Received: from imap1.suse-dmz.suse.de (imap1.suse-dmz.suse.de [192.168.254.73]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-521) server-digest SHA512) (No client certificate requested) by imap1.suse-dmz.suse.de (Postfix) with ESMTPS id D275A1372D; Tue, 6 Jul 2021 10:46:19 +0000 (UTC) Received: from dovecot-director2.suse.de ([192.168.254.65]) by imap1.suse-dmz.suse.de with ESMTPSA id RWpiMXs05GC9aQAAGKfGzw (envelope-from ); Tue, 06 Jul 2021 10:46:19 +0000 Subject: Re: [PATCH] bus: Make remove callback return void To: =?UTF-8?Q?Uwe_Kleine-K=c3=b6nig?= , Greg Kroah-Hartman Cc: 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 , =?UTF-8?Q?Krzysztof_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 , 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 , =?UTF-8?Q?Pali_Roh=c3=a1r?= , 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 References: <20210706095037.1425211-1-u.kleine-koenig@pengutronix.de> From: Juergen Gross Message-ID: <4209f6c7-c45d-f1e2-3e6c-e3e5ac23ebfa@suse.com> Date: Tue, 6 Jul 2021 12:46:18 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.0 Precedence: bulk X-Mailing-List: linux-sunxi@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 In-Reply-To: <20210706095037.1425211-1-u.kleine-koenig@pengutronix.de> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="LJ84wkOoGvpkTOYSJk04bukxIJd4NuWQK" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --LJ84wkOoGvpkTOYSJk04bukxIJd4NuWQK Content-Type: multipart/mixed; boundary="kIonFKJi2YzXeYHIXjoGkrp8dW9qDQLaQ"; protected-headers="v1" From: Juergen Gross To: =?UTF-8?Q?Uwe_Kleine-K=c3=b6nig?= , Greg Kroah-Hartman Cc: 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 , =?UTF-8?Q?Krzysztof_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 , 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 , =?UTF-8?Q?Pali_Roh=c3=a1r?= , 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 Message-ID: <4209f6c7-c45d-f1e2-3e6c-e3e5ac23ebfa@suse.com> Subject: Re: [PATCH] bus: Make remove callback return void References: <20210706095037.1425211-1-u.kleine-koenig@pengutronix.de> In-Reply-To: <20210706095037.1425211-1-u.kleine-koenig@pengutronix.de> --kIonFKJi2YzXeYHIXjoGkrp8dW9qDQLaQ Content-Type: multipart/mixed; boundary="------------ABA0B815A5B864B832260E8B" Content-Language: en-US This is a multi-part message in MIME format. --------------ABA0B815A5B864B832260E8B Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable On 06.07.21 11:50, Uwe Kleine-K=C3=B6nig wrote: > The driver core ignores the return value of this callback because there= > is only little it can do when a device disappears. >=20 > 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. >=20 > 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. >=20 > Signed-off-by: Uwe Kleine-K=C3=B6nig Xen-bits: Acked-by: Juergen Gross Juergen --------------ABA0B815A5B864B832260E8B Content-Type: application/pgp-keys; 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Tue, 06 Jul 2021 10:46:19 +0000 Subject: Re: [PATCH] bus: Make remove callback return void To: =?UTF-8?Q?Uwe_Kleine-K=c3=b6nig?= , Greg Kroah-Hartman References: <20210706095037.1425211-1-u.kleine-koenig@pengutronix.de> From: Juergen Gross Message-ID: <4209f6c7-c45d-f1e2-3e6c-e3e5ac23ebfa@suse.com> Date: Tue, 6 Jul 2021 12:46:18 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.0 MIME-Version: 1.0 In-Reply-To: <20210706095037.1425211-1-u.kleine-koenig@pengutronix.de> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="LJ84wkOoGvpkTOYSJk04bukxIJd4NuWQK" X-Mailman-Approved-At: Thu, 08 Jul 2021 12:04:26 +0200 X-Content-Filtered-By: Mailman/MimeDel 2.1.15 Cc: nvdimm@lists.linux.dev, Alexey Kardashevskiy , Benjamin Herrenschmidt , Samuel Iglesias Gonsalvez , Jens Taprogge , Ulf Hansson , Benjamin Tissoires , Paul Mackerras , Srinivas Pandruvada , "K. Y. Srinivasan" , Mike Christie , Wei Liu , Maxim Levitsky , Samuel Holland , Michael Ellerman , linux-acpi@vger.kernel.org, linux-pci@vger.kernel.org, xen-devel@lists.xenproject.org, Tomas Winkler , Julien Grall , Ohad Ben-Cohen , Alex Williamson , Alex Elder , linux-parisc@vger.kernel.org, Geoff Levand , linux-fpga@vger.kernel.org, linux-usb@vger.kernel.org, "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, Thorsten Scherer , kernel@pengutronix.de, Jon Mason , linux-ntb@googlegroups.com, Wu Hao , David Woodhouse , =?UTF-8?Q?Krzysztof_Wilczy=c5=84ski?= , Alexandre Belloni , Manohar Vanga , linux-wireless@vger.kernel.org, Dominik Brodowski , virtualization@lists.linux-foundation.org, "James E.J. Bottomley" , target-devel@vger.kernel.org, linux-i2c@vger.kernel.org, Kai-Heng Feng , Stefano Stabellini , Stephen Hemminger , Ira Weiny , Helge Deller , =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= , industrypack-devel@lists.sourceforge.net, linux-mips@vger.kernel.org, Len Brown , alsa-devel@alsa-project.org, linux-arm-msm@vger.kernel.org, linux-media@vger.kernel.org, Maxime Ripard , Johan Hovold , greybus-dev@lists.linaro.org, Bjorn Helgaas , Dave Jiang , Boris Ostrovsky , Mika Westerberg , linux-arm-kernel@lists.infradead.org, Johannes Thumshirn , Mathieu Poirier , Stephen Boyd , Cornelia Huck , Wolfram Sang , Joey Pabalan , Yehezkel Bernat , =?UTF-8?Q?Pali_Roh=c3=a1r?= , Bodo Stroesser , Alison Schofield , Heikki Krogerus , Tyrel Datwyler , Alexander Shishkin , Tom Rix , Jason Wang , SeongJae Park , linux-hyperv@vger.kernel.org, platform-driver-x86@vger.kernel.org, Frank Li , netdev@vger.kernel.org, Qinglang Miao , Jiri Slaby , Rob Herring , Lorenzo Pieralisi , Mark Gross , linux-staging@lists.linux.dev, Dexuan Cui , Jernej Skrabec , Kishon Vijay Abraham I , Chen-Yu Tsai , linux-input@vger.kernel.org, Matt Porter , Allen Hubbe , Alex Dubov , Haiyang Zhang , Jiri Kosina , Vladimir Zapolskiy , Ben Widawsky , Moritz Fischer , linux-cxl@vger.kernel.org, Michael Buesch , Dan Williams , Mauro Carvalho Chehab , Cristian Marussi , Thomas Bogendoerfer , "Martin K. Petersen" , Martyn Welch , Dmitry Torokhov , linux-mmc@vger.kernel.org, linux-sunxi@lists.linux.dev, Stefan Richter , Sudeep Holla , "David S. Miller" , Sven Van Asbroeck , kvm@vger.kernel.org, "Michael S. Tsirkin" , linux-remoteproc@vger.kernel.org, Bjorn Andersson , Kirti Wankhede , Andreas Noever , linux-i3c@lists.infradead.org, linux1394-devel@lists.sourceforge.net, Lee Jones , Arnd Bergmann , linux-scsi@vger.kernel.org, Vishal Verma , Russell King , Andy Gross , linux-serial@vger.kernel.org, Jakub Kicinski , Michael Jamet , William Breathitt Gray , Hans de Goede , Hannes Reinecke , Adrian Hunter , linuxppc-dev@lists.ozlabs.org, Takashi Iwai , Alexandre Bounine , Vinod Koul , Mark Brown , Marc Zyngier , dmaengine@vger.kernel.org, Johannes Berg , Maximilian Luz X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --LJ84wkOoGvpkTOYSJk04bukxIJd4NuWQK From: Juergen Gross To: =?UTF-8?Q?Uwe_Kleine-K=c3=b6nig?= , Greg Kroah-Hartman Cc: 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 , =?UTF-8?Q?Krzysztof_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 , 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 , =?UTF-8?Q?Pali_Roh=c3=a1r?= , 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 Message-ID: <4209f6c7-c45d-f1e2-3e6c-e3e5ac23ebfa@suse.com> Subject: Re: [PATCH] bus: Make remove callback return void References: <20210706095037.1425211-1-u.kleine-koenig@pengutronix.de> In-Reply-To: <20210706095037.1425211-1-u.kleine-koenig@pengutronix.de> Content-Type: multipart/mixed; boundary="------------ABA0B815A5B864B832260E8B" --------------ABA0B815A5B864B832260E8B Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable On 06.07.21 11:50, Uwe Kleine-K=C3=B6nig wrote: > The driver core ignores the return value of this callback because there= > is only little it can do when a device disappears. >=20 > 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. >=20 > 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. >=20 > Signed-off-by: Uwe Kleine-K=C3=B6nig Xen-bits: Acked-by: Juergen Gross Juergen --------------ABA0B815A5B864B832260E8B Content-Type: application/pgp-keys; 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Tue, 06 Jul 2021 10:46:19 +0000 Subject: Re: [PATCH] bus: Make remove callback return void To: =?UTF-8?Q?Uwe_Kleine-K=c3=b6nig?= , Greg Kroah-Hartman References: <20210706095037.1425211-1-u.kleine-koenig@pengutronix.de> From: Juergen Gross Message-ID: <4209f6c7-c45d-f1e2-3e6c-e3e5ac23ebfa@suse.com> Date: Tue, 6 Jul 2021 12:46:18 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.0 MIME-Version: 1.0 In-Reply-To: <20210706095037.1425211-1-u.kleine-koenig@pengutronix.de> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="LJ84wkOoGvpkTOYSJk04bukxIJd4NuWQK" X-Mailman-Approved-At: Tue, 06 Jul 2021 22:48:04 +1000 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: nvdimm@lists.linux.dev, Alexey Kardashevskiy , Samuel Iglesias Gonsalvez , Jens Taprogge , Ulf Hansson , Jaroslav Kysela , Benjamin Tissoires , Paul Mackerras , Srinivas Pandruvada , "K. Y. Srinivasan" , Mike Christie , Wei Liu , Maxim Levitsky , Samuel Holland , linux-acpi@vger.kernel.org, linux-pci@vger.kernel.org, xen-devel@lists.xenproject.org, Tomas Winkler , Julien Grall , Ohad Ben-Cohen , Alex Williamson , Alex Elder , linux-parisc@vger.kernel.org, Geoff Levand , linux-fpga@vger.kernel.org, linux-usb@vger.kernel.org, "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, Thorsten Scherer , kernel@pengutronix.de, Jon Mason , linux-ntb@googlegroups.com, Wu Hao , David Woodhouse , =?UTF-8?Q?Krzysztof_Wilczy=c5=84ski?= , Alexandre Belloni , Manohar Vanga , linux-wireless@vger.kernel.org, Dominik Brodowski , virtualization@lists.linux-foundation.org, "James E.J. Bottomley" , target-devel@vger.kernel.org, Srinivas Kandagatla , linux-i2c@vger.kernel.org, Kai-Heng Feng , Stefano Stabellini , Stephen Hemminger , Ira Weiny , Helge Deller , =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= , industrypack-devel@lists.sourceforge.net, linux-mips@vger.kernel.org, Len Brown , alsa-devel@alsa-project.org, linux-arm-msm@vger.kernel.org, linux-media@vger.kernel.org, Maxime Ripard , Johan Hovold , greybus-dev@lists.linaro.org, Bjorn Helgaas , Dave Jiang , Boris Ostrovsky , Mika Westerberg , linux-arm-kernel@lists.infradead.org, Johannes Thumshirn , Mathieu Poirier , Stephen Boyd , Cornelia Huck , Wolfram Sang , Joey Pabalan , Yehezkel Bernat , =?UTF-8?Q?Pali_Roh=c3=a1r?= , Bodo Stroesser , Alison Schofield , Heikki Krogerus , Tyrel Datwyler , Alexander Shishkin , Tom Rix , Jason Wang , SeongJae Park , linux-hyperv@vger.kernel.org, platform-driver-x86@vger.kernel.org, Frank Li , netdev@vger.kernel.org, Qinglang Miao , Jiri Slaby , Rob Herring , Lorenzo Pieralisi , Mark Gross , linux-staging@lists.linux.dev, Dexuan Cui , Jernej Skrabec , Kishon Vijay Abraham I , Chen-Yu Tsai , linux-input@vger.kernel.org, Allen Hubbe , Alex Dubov , Haiyang Zhang , Jiri Kosina , Vladimir Zapolskiy , Ben Widawsky , Moritz Fischer , linux-cxl@vger.kernel.org, Michael Buesch , Dan Williams , Mauro Carvalho Chehab , Cristian Marussi , Thomas Bogendoerfer , "Martin K. Petersen" , Martyn Welch , Dmitry Torokhov , linux-mmc@vger.kernel.org, linux-sunxi@lists.linux.dev, Stefan Richter , Sudeep Holla , "David S. Miller" , Sven Van Asbroeck , kvm@vger.kernel.org, "Michael S. Tsirkin" , linux-remoteproc@vger.kernel.org, Bjorn Andersson , Kirti Wankhede , Andreas Noever , linux-i3c@lists.infradead.org, linux1394-devel@lists.sourceforge.net, Lee Jones , Arnd Bergmann , linux-scsi@vger.kernel.org, Vishal Verma , Russell King , Andy Gross , linux-serial@vger.kernel.org, Jakub Kicinski , Michael Jamet , William Breathitt Gray , Hans de Goede , Hannes Reinecke , Adrian Hunter , linuxppc-dev@lists.ozlabs.org, Takashi Iwai , Alexandre Bounine , Vinod Koul , Mark Brown , Marc Zyngier , dmaengine@vger.kernel.org, Johannes Berg , Maximilian Luz Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --LJ84wkOoGvpkTOYSJk04bukxIJd4NuWQK Content-Type: multipart/mixed; boundary="kIonFKJi2YzXeYHIXjoGkrp8dW9qDQLaQ"; protected-headers="v1" From: Juergen Gross To: =?UTF-8?Q?Uwe_Kleine-K=c3=b6nig?= , Greg Kroah-Hartman Cc: 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 , =?UTF-8?Q?Krzysztof_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 , 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 , =?UTF-8?Q?Pali_Roh=c3=a1r?= , 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 Message-ID: <4209f6c7-c45d-f1e2-3e6c-e3e5ac23ebfa@suse.com> Subject: Re: [PATCH] bus: Make remove callback return void References: <20210706095037.1425211-1-u.kleine-koenig@pengutronix.de> In-Reply-To: <20210706095037.1425211-1-u.kleine-koenig@pengutronix.de> --kIonFKJi2YzXeYHIXjoGkrp8dW9qDQLaQ Content-Type: multipart/mixed; boundary="------------ABA0B815A5B864B832260E8B" Content-Language: en-US This is a multi-part message in MIME format. --------------ABA0B815A5B864B832260E8B Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable On 06.07.21 11:50, Uwe Kleine-K=C3=B6nig wrote: > The driver core ignores the return value of this callback because there= > is only little it can do when a device disappears. >=20 > 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. >=20 > 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. >=20 > Signed-off-by: Uwe Kleine-K=C3=B6nig Xen-bits: Acked-by: Juergen Gross Juergen --------------ABA0B815A5B864B832260E8B Content-Type: application/pgp-keys; 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Tue, 06 Jul 2021 10:46:19 +0000 Subject: Re: [PATCH] bus: Make remove callback return void To: =?UTF-8?Q?Uwe_Kleine-K=c3=b6nig?= , Greg Kroah-Hartman References: <20210706095037.1425211-1-u.kleine-koenig@pengutronix.de> Message-ID: <4209f6c7-c45d-f1e2-3e6c-e3e5ac23ebfa@suse.com> Date: Tue, 6 Jul 2021 12:46:18 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.0 MIME-Version: 1.0 In-Reply-To: <20210706095037.1425211-1-u.kleine-koenig@pengutronix.de> Cc: nvdimm@lists.linux.dev, Benjamin Herrenschmidt , Samuel Iglesias Gonsalvez , Jens Taprogge , Jaroslav Kysela , Benjamin Tissoires , Paul Mackerras , Srinivas Pandruvada , Wei Liu , Maxim Levitsky , Samuel Holland , Michael Ellerman , linux-acpi@vger.kernel.org, linux-pci@vger.kernel.org, xen-devel@lists.xenproject.org, Tomas Winkler , Julien Grall , Ohad Ben-Cohen , Alex Elder , linux-parisc@vger.kernel.org, Geoff Levand , linux-fpga@vger.kernel.org, linux-usb@vger.kernel.org, "Rafael J. Wysocki" , linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, Thorsten Scherer , kernel@pengutronix.de, Jon Mason , linux-ntb@googlegroups.com, Wu Hao , David Woodhouse , =?UTF-8?Q?Krzysztof_Wilczy=c5=84ski?= , Alexandre Belloni , Manohar Vanga , linux-wireless@vger.kernel.org, Dominik Brodowski , virtualization@lists.linux-foundation.org, "James E.J. Bottomley" , target-devel@vger.kernel.org, Srinivas Kandagatla , linux-i2c@vger.kernel.org, Kai-Heng Feng , Stefano Stabellini , Stephen Hemminger , Ira Weiny , Helge Deller , =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= , industrypack-devel@lists.sourceforge.net, linux-mips@vger.kernel.org, Len Brown , alsa-devel@alsa-project.org, linux-arm-msm@vger.kernel.org, linux-media@vger.kernel.org, Maxime Ripard , Johan Hovold , greybus-dev@lists.linaro.org, Bjorn Helgaas , Dave Jiang , Boris Ostrovsky , Mika Westerberg , linux-arm-kernel@lists.infradead.org, Johannes Thumshirn , Mathieu Poirier , Stephen Boyd , Cornelia Huck , Wolfram Sang , Joey Pabalan , Yehezkel Bernat , =?UTF-8?Q?Pali_Roh=c3=a1r?= , Bodo Stroesser , Alison Schofield , Heikki Krogerus , Tyrel Datwyler , Alexander Shishkin , Tom Rix , SeongJae Park , linux-hyperv@vger.kernel.org, platform-driver-x86@vger.kernel.org, Frank Li , netdev@vger.kernel.org, Qinglang Miao , Jiri Slaby , Rob Herring , Lorenzo Pieralisi , Mark Gross , linux-staging@lists.linux.dev, Dexuan Cui , Jernej Skrabec , Kishon Vijay Abraham I , Chen-Yu Tsai , linux-input@vger.kernel.org, Matt Porter , Allen Hubbe , Alex Dubov , Haiyang Zhang , Jiri Kosina , Vladimir Zapolskiy , Ben Widawsky , Moritz Fischer , linux-cxl@vger.kernel.org, Michael Buesch , Dan Williams , Mauro Carvalho Chehab , Cristian Marussi , Thomas Bogendoerfer , "Martin K. Petersen" , Martyn Welch , Dmitry Torokhov , linux-mmc@vger.kernel.org, linux-sunxi@lists.linux.dev, Stefan Richter , Sudeep Holla , "David S. Miller" , Sven Van Asbroeck , kvm@vger.kernel.org, "Michael S. Tsirkin" , linux-remoteproc@vger.kernel.org, Bjorn Andersson , Kirti Wankhede , Andreas Noever , linux-i3c@lists.infradead.org, linux1394-devel@lists.sourceforge.net, Lee Jones , Arnd Bergmann , linux-scsi@vger.kernel.org, Vishal Verma , Russell King , Andy Gross , linux-serial@vger.kernel.org, Jakub Kicinski , Michael Jamet , William Breathitt Gray , Hans de Goede , Adrian Hunter , linuxppc-dev@lists.ozlabs.org, Takashi Iwai , Alexandre Bounine , Vinod Koul , Mark Brown , Marc Zyngier , dmaengine@vger.kernel.org, Johannes Berg , Maximilian Luz X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Juergen Gross via Virtualization Reply-To: Juergen Gross Content-Type: multipart/mixed; boundary="===============2428816096562190147==" Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============2428816096562190147== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="LJ84wkOoGvpkTOYSJk04bukxIJd4NuWQK" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --LJ84wkOoGvpkTOYSJk04bukxIJd4NuWQK Content-Type: multipart/mixed; boundary="kIonFKJi2YzXeYHIXjoGkrp8dW9qDQLaQ"; protected-headers="v1" From: Juergen Gross To: =?UTF-8?Q?Uwe_Kleine-K=c3=b6nig?= , Greg Kroah-Hartman Cc: 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 , =?UTF-8?Q?Krzysztof_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 , 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 , =?UTF-8?Q?Pali_Roh=c3=a1r?= , 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 Message-ID: <4209f6c7-c45d-f1e2-3e6c-e3e5ac23ebfa@suse.com> Subject: Re: [PATCH] bus: Make remove callback return void References: <20210706095037.1425211-1-u.kleine-koenig@pengutronix.de> In-Reply-To: <20210706095037.1425211-1-u.kleine-koenig@pengutronix.de> --kIonFKJi2YzXeYHIXjoGkrp8dW9qDQLaQ Content-Type: multipart/mixed; boundary="------------ABA0B815A5B864B832260E8B" Content-Language: en-US This is a multi-part message in MIME format. --------------ABA0B815A5B864B832260E8B Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable On 06.07.21 11:50, Uwe Kleine-K=C3=B6nig wrote: > The driver core ignores the return value of this callback because there= > is only little it can do when a device disappears. >=20 > 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. >=20 > 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. >=20 > Signed-off-by: Uwe Kleine-K=C3=B6nig Xen-bits: Acked-by: Juergen Gross Juergen --------------ABA0B815A5B864B832260E8B Content-Type: application/pgp-keys; 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Tue, 06 Jul 2021 10:46:19 +0000 Subject: Re: [PATCH] bus: Make remove callback return void To: =?UTF-8?Q?Uwe_Kleine-K=c3=b6nig?= , Greg Kroah-Hartman Cc: 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 , =?UTF-8?Q?Krzysztof_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 , 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 , =?UTF-8?Q?Pali_Roh=c3=a1r?= , 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 References: <20210706095037.1425211-1-u.kleine-koenig@pengutronix.de> From: Juergen Gross Message-ID: <4209f6c7-c45d-f1e2-3e6c-e3e5ac23ebfa@suse.com> Date: Tue, 6 Jul 2021 12:46:18 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.0 MIME-Version: 1.0 In-Reply-To: <20210706095037.1425211-1-u.kleine-koenig@pengutronix.de> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210706_034630_679439_4D386EA5 X-CRM114-Status: GOOD ( 20.61 ) X-Mailman-Approved-At: Fri, 30 Jul 2021 12:40:21 -0700 X-BeenThere: linux-i3c@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============2873051345892443179==" Sender: "linux-i3c" Errors-To: linux-i3c-bounces+linux-i3c=archiver.kernel.org@lists.infradead.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --===============2873051345892443179== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="LJ84wkOoGvpkTOYSJk04bukxIJd4NuWQK" This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --LJ84wkOoGvpkTOYSJk04bukxIJd4NuWQK Content-Type: multipart/mixed; boundary="kIonFKJi2YzXeYHIXjoGkrp8dW9qDQLaQ"; protected-headers="v1" From: Juergen Gross To: =?UTF-8?Q?Uwe_Kleine-K=c3=b6nig?= , Greg Kroah-Hartman Cc: 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 , =?UTF-8?Q?Krzysztof_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 , 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 , =?UTF-8?Q?Pali_Roh=c3=a1r?= , 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 Message-ID: <4209f6c7-c45d-f1e2-3e6c-e3e5ac23ebfa@suse.com> Subject: Re: [PATCH] bus: Make remove callback return void References: <20210706095037.1425211-1-u.kleine-koenig@pengutronix.de> In-Reply-To: <20210706095037.1425211-1-u.kleine-koenig@pengutronix.de> --kIonFKJi2YzXeYHIXjoGkrp8dW9qDQLaQ Content-Type: multipart/mixed; boundary="------------ABA0B815A5B864B832260E8B" Content-Language: en-US This is a multi-part message in MIME format. --------------ABA0B815A5B864B832260E8B Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable On 06.07.21 11:50, Uwe Kleine-K=C3=B6nig wrote: > The driver core ignores the return value of this callback because there= > is only little it can do when a device disappears. >=20 > 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. >=20 > 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. >=20 > Signed-off-by: Uwe Kleine-K=C3=B6nig Xen-bits: Acked-by: Juergen Gross Juergen --------------ABA0B815A5B864B832260E8B Content-Type: application/pgp-keys; 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