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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [PATCH v2 4/4] bus: Make remove callback return void
On Tue, 2021-07-06 at 17:48 +0200, 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.
>
> Acked-by: Russell King (Oracle) <rmk+kernel@xxxxxxxxxxxxxxx> (For
> ARM, Amba and related parts)
> Acked-by: Mark Brown <broonie@xxxxxxxxxx>
> Acked-by: Chen-Yu Tsai <wens@xxxxxxxx> (for drivers/bus/sunxi-rsb.c)
> Acked-by: Pali Rohár <pali@xxxxxxxxxx>
> Acked-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx> (for
> drivers/media)
> Acked-by: Hans de Goede <hdegoede@xxxxxxxxxx> (For drivers/platform)
> Acked-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
> Acked-By: Vinod Koul <vkoul@xxxxxxxxxx>
> Acked-by: Juergen Gross <jgross@xxxxxxxx> (For Xen)
> Acked-by: Lee Jones <lee.jones@xxxxxxxxxx> (For drivers/mfd)
> Acked-by: Johannes Thumshirn <jth@xxxxxxxxxx> (For drivers/mcb)
> Acked-by: Johan Hovold <johan@xxxxxxxxxx>
> Acked-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx> (For
> drivers/slimbus)
> Acked-by: Kirti Wankhede <kwankhede@xxxxxxxxxx> (For drivers/vfio)
> Acked-by: Maximilian Luz <luzmaximilian@xxxxxxxxx>
> Acked-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx> (For ulpi
> and typec)
> Acked-by: Samuel Iglesias Gonsálvez <siglesias@xxxxxxxxxx> (For
> ipack)
> Reviewed-by: Tom Rix <trix@xxxxxxxxxx> (For fpga)
> Acked-by: Geoff Levand <geoff@xxxxxxxxxxxxx> (For ps3)
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
For drivers/hid/intel-ish-hid
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx>
> ---
>
> arch/arm/common/locomo.c | 3 +--
> arch/arm/common/sa1111.c | 4 +---
> arch/arm/mach-rpc/ecard.c | 4 +---
> arch/mips/sgi-ip22/ip22-gio.c | 3 +--
> arch/parisc/kernel/drivers.c | 5 ++---
> arch/powerpc/platforms/ps3/system-bus.c | 3 +--
> arch/powerpc/platforms/pseries/ibmebus.c | 3 +--
> arch/powerpc/platforms/pseries/vio.c | 3 +--
> drivers/acpi/bus.c | 3 +--
> drivers/amba/bus.c | 4 +---
> drivers/base/auxiliary.c | 4 +---
> drivers/base/isa.c | 4 +---
> drivers/base/platform.c | 4 +---
> drivers/bcma/main.c | 6 ++----
> drivers/bus/sunxi-rsb.c | 4 +---
> drivers/cxl/core.c | 3 +--
> drivers/dax/bus.c | 4 +---
> drivers/dma/idxd/sysfs.c | 4 +---
> drivers/firewire/core-device.c | 4 +---
> drivers/firmware/arm_scmi/bus.c | 4 +---
> drivers/firmware/google/coreboot_table.c | 4 +---
> drivers/fpga/dfl.c | 4 +---
> drivers/hid/hid-core.c | 4 +---
> drivers/hid/intel-ish-hid/ishtp/bus.c | 4 +---
> drivers/hv/vmbus_drv.c | 5 +----
> drivers/hwtracing/intel_th/core.c | 4 +---
> drivers/i2c/i2c-core-base.c | 5 +----
> drivers/i3c/master.c | 4 +---
> drivers/input/gameport/gameport.c | 3 +--
> drivers/input/serio/serio.c | 3 +--
> drivers/ipack/ipack.c | 4 +---
> drivers/macintosh/macio_asic.c | 4 +---
> drivers/mcb/mcb-core.c | 4 +---
> drivers/media/pci/bt8xx/bttv-gpio.c | 3 +--
> drivers/memstick/core/memstick.c | 3 +--
> drivers/mfd/mcp-core.c | 3 +--
> drivers/misc/mei/bus.c | 4 +---
> drivers/misc/tifm_core.c | 3 +--
> drivers/mmc/core/bus.c | 4 +---
> drivers/mmc/core/sdio_bus.c | 4 +---
> drivers/net/netdevsim/bus.c | 3 +--
> drivers/ntb/core.c | 4 +---
> drivers/ntb/ntb_transport.c | 4 +---
> drivers/nvdimm/bus.c | 3 +--
> drivers/pci/endpoint/pci-epf-core.c | 4 +---
> drivers/pci/pci-driver.c | 3 +--
> drivers/pcmcia/ds.c | 4 +---
> drivers/platform/surface/aggregator/bus.c | 4 +---
> drivers/platform/x86/wmi.c | 4 +---
> drivers/pnp/driver.c | 3 +--
> drivers/rapidio/rio-driver.c | 4 +---
> drivers/rpmsg/rpmsg_core.c | 4 +---
> drivers/s390/cio/ccwgroup.c | 4 +---
> drivers/s390/cio/css.c | 4 +---
> drivers/s390/cio/device.c | 4 +---
> drivers/s390/cio/scm.c | 4 +---
> drivers/s390/crypto/ap_bus.c | 4 +---
> drivers/scsi/scsi_debug.c | 3 +--
> drivers/siox/siox-core.c | 4 +---
> drivers/slimbus/core.c | 4 +---
> drivers/soc/qcom/apr.c | 4 +---
> drivers/spi/spi.c | 4 +---
> drivers/spmi/spmi.c | 3 +--
> drivers/ssb/main.c | 4 +---
> drivers/staging/fieldbus/anybuss/host.c | 4 +---
> drivers/staging/greybus/gbphy.c | 4 +---
> drivers/target/loopback/tcm_loop.c | 5 ++---
> drivers/thunderbolt/domain.c | 4 +---
> drivers/tty/serdev/core.c | 4 +---
> drivers/usb/common/ulpi.c | 4 +---
> drivers/usb/serial/bus.c | 4 +---
> drivers/usb/typec/bus.c | 4 +---
> drivers/vdpa/vdpa.c | 4 +---
> drivers/vfio/mdev/mdev_driver.c | 4 +---
> drivers/virtio/virtio.c | 3 +--
> drivers/vme/vme.c | 4 +---
> drivers/xen/xenbus/xenbus.h | 2 +-
> drivers/xen/xenbus/xenbus_probe.c | 4 +---
> include/linux/device/bus.h | 2 +-
> sound/aoa/soundbus/core.c | 4 +---
> 80 files changed, 83 insertions(+), 219 deletions(-)
>
> diff --git a/arch/arm/common/locomo.c b/arch/arm/common/locomo.c
> index e45f4e4e06b6..24d21ba63030 100644
> --- a/arch/arm/common/locomo.c
> +++ b/arch/arm/common/locomo.c
> @@ -834,14 +834,13 @@ static int locomo_bus_probe(struct device *dev)
> return ret;
> }
>
> -static int locomo_bus_remove(struct device *dev)
> +static void locomo_bus_remove(struct device *dev)
> {
> struct locomo_dev *ldev = LOCOMO_DEV(dev);
> struct locomo_driver *drv = LOCOMO_DRV(dev->driver);
>
> if (drv->remove)
> drv->remove(ldev);
> - return 0;
> }
>
> struct bus_type locomo_bus_type = {
> diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c
> index ff5e0d04cb89..092a2ebc0c28 100644
> --- a/arch/arm/common/sa1111.c
> +++ b/arch/arm/common/sa1111.c
> @@ -1364,15 +1364,13 @@ static int sa1111_bus_probe(struct device
> *dev)
> return ret;
> }
>
> -static int sa1111_bus_remove(struct device *dev)
> +static void sa1111_bus_remove(struct device *dev)
> {
> struct sa1111_dev *sadev = to_sa1111_device(dev);
> struct sa1111_driver *drv = SA1111_DRV(dev->driver);
>
> if (drv->remove)
> drv->remove(sadev);
> -
> - return 0;
> }
>
> struct bus_type sa1111_bus_type = {
> diff --git a/arch/arm/mach-rpc/ecard.c b/arch/arm/mach-rpc/ecard.c
> index 827b50f1c73e..53813f9464a2 100644
> --- a/arch/arm/mach-rpc/ecard.c
> +++ b/arch/arm/mach-rpc/ecard.c
> @@ -1052,7 +1052,7 @@ static int ecard_drv_probe(struct device *dev)
> return ret;
> }
>
> -static int ecard_drv_remove(struct device *dev)
> +static void ecard_drv_remove(struct device *dev)
> {
> struct expansion_card *ec = ECARD_DEV(dev);
> struct ecard_driver *drv = ECARD_DRV(dev->driver);
> @@ -1067,8 +1067,6 @@ static int ecard_drv_remove(struct device *dev)
> ec->ops = &ecard_default_ops;
> barrier();
> ec->irq_data = NULL;
> -
> - return 0;
> }
>
> /*
> diff --git a/arch/mips/sgi-ip22/ip22-gio.c b/arch/mips/sgi-ip22/ip22-
> gio.c
> index de0768a49ee8..dfc52f661ad0 100644
> --- a/arch/mips/sgi-ip22/ip22-gio.c
> +++ b/arch/mips/sgi-ip22/ip22-gio.c
> @@ -143,14 +143,13 @@ static int gio_device_probe(struct device *dev)
> return error;
> }
>
> -static int gio_device_remove(struct device *dev)
> +static void gio_device_remove(struct device *dev)
> {
> struct gio_device *gio_dev = to_gio_device(dev);
> struct gio_driver *drv = to_gio_driver(dev->driver);
>
> if (dev->driver && drv->remove)
> drv->remove(gio_dev);
> - return 0;
> }
>
> static void gio_device_shutdown(struct device *dev)
> diff --git a/arch/parisc/kernel/drivers.c
> b/arch/parisc/kernel/drivers.c
> index 80fa0650736b..776d624a7207 100644
> --- a/arch/parisc/kernel/drivers.c
> +++ b/arch/parisc/kernel/drivers.c
> @@ -133,14 +133,13 @@ static int parisc_driver_probe(struct device
> *dev)
> return rc;
> }
>
> -static int __exit parisc_driver_remove(struct device *dev)
> +static void __exit parisc_driver_remove(struct device *dev)
> {
> struct parisc_device *pa_dev = to_parisc_device(dev);
> struct parisc_driver *pa_drv = to_parisc_driver(dev->driver);
> +
> if (pa_drv->remove)
> pa_drv->remove(pa_dev);
> -
> - return 0;
> }
>
>
> diff --git a/arch/powerpc/platforms/ps3/system-bus.c
> b/arch/powerpc/platforms/ps3/system-bus.c
> index 1a5665875165..cc5774c64fae 100644
> --- a/arch/powerpc/platforms/ps3/system-bus.c
> +++ b/arch/powerpc/platforms/ps3/system-bus.c
> @@ -381,7 +381,7 @@ static int ps3_system_bus_probe(struct device
> *_dev)
> return result;
> }
>
> -static int ps3_system_bus_remove(struct device *_dev)
> +static void ps3_system_bus_remove(struct device *_dev)
> {
> struct ps3_system_bus_device *dev =
> ps3_dev_to_system_bus_dev(_dev);
> struct ps3_system_bus_driver *drv;
> @@ -399,7 +399,6 @@ static int ps3_system_bus_remove(struct device
> *_dev)
> __func__, __LINE__, drv->core.name);
>
> pr_debug(" <- %s:%d: %s\n", __func__, __LINE__,
> dev_name(&dev->core));
> - return 0;
> }
>
> static void ps3_system_bus_shutdown(struct device *_dev)
> diff --git a/arch/powerpc/platforms/pseries/ibmebus.c
> b/arch/powerpc/platforms/pseries/ibmebus.c
> index c6c79ef55e13..7ee3ed7d6cc2 100644
> --- a/arch/powerpc/platforms/pseries/ibmebus.c
> +++ b/arch/powerpc/platforms/pseries/ibmebus.c
> @@ -366,14 +366,13 @@ static int ibmebus_bus_device_probe(struct
> device *dev)
> return error;
> }
>
> -static int ibmebus_bus_device_remove(struct device *dev)
> +static void ibmebus_bus_device_remove(struct device *dev)
> {
> struct platform_device *of_dev = to_platform_device(dev);
> struct platform_driver *drv = to_platform_driver(dev-
> >driver);
>
> if (dev->driver && drv->remove)
> drv->remove(of_dev);
> - return 0;
> }
>
> static void ibmebus_bus_device_shutdown(struct device *dev)
> diff --git a/arch/powerpc/platforms/pseries/vio.c
> b/arch/powerpc/platforms/pseries/vio.c
> index e00f3725ec96..58283cecbd52 100644
> --- a/arch/powerpc/platforms/pseries/vio.c
> +++ b/arch/powerpc/platforms/pseries/vio.c
> @@ -1257,7 +1257,7 @@ static int vio_bus_probe(struct device *dev)
> }
>
> /* convert from struct device to struct vio_dev and pass to driver.
> */
> -static int vio_bus_remove(struct device *dev)
> +static void vio_bus_remove(struct device *dev)
> {
> struct vio_dev *viodev = to_vio_dev(dev);
> struct vio_driver *viodrv = to_vio_driver(dev->driver);
> @@ -1276,7 +1276,6 @@ static int vio_bus_remove(struct device *dev)
> vio_cmo_bus_remove(viodev);
>
> put_device(devptr);
> - return 0;
> }
>
> static void vio_bus_shutdown(struct device *dev)
> diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
> index ee24246d88fd..51f374e42869 100644
> --- a/drivers/acpi/bus.c
> +++ b/drivers/acpi/bus.c
> @@ -1018,7 +1018,7 @@ static int acpi_device_probe(struct device
> *dev)
> return 0;
> }
>
> -static int acpi_device_remove(struct device *dev)
> +static void acpi_device_remove(struct device *dev)
> {
> struct acpi_device *acpi_dev = to_acpi_device(dev);
> struct acpi_driver *acpi_drv = acpi_dev->driver;
> @@ -1033,7 +1033,6 @@ static int acpi_device_remove(struct device
> *dev)
> acpi_dev->driver_data = NULL;
>
> put_device(dev);
> - return 0;
> }
>
> struct bus_type acpi_bus_type = {
> diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c
> index 939ca220bf78..962041148482 100644
> --- a/drivers/amba/bus.c
> +++ b/drivers/amba/bus.c
> @@ -219,7 +219,7 @@ static int amba_probe(struct device *dev)
> return ret;
> }
>
> -static int amba_remove(struct device *dev)
> +static void amba_remove(struct device *dev)
> {
> struct amba_device *pcdev = to_amba_device(dev);
> struct amba_driver *drv = to_amba_driver(dev->driver);
> @@ -236,8 +236,6 @@ static int amba_remove(struct device *dev)
>
> amba_put_disable_pclk(pcdev);
> dev_pm_domain_detach(dev, true);
> -
> - return 0;
> }
>
> static void amba_shutdown(struct device *dev)
> diff --git a/drivers/base/auxiliary.c b/drivers/base/auxiliary.c
> index adc199dfba3c..0c86f5bed9f4 100644
> --- a/drivers/base/auxiliary.c
> +++ b/drivers/base/auxiliary.c
> @@ -79,7 +79,7 @@ static int auxiliary_bus_probe(struct device *dev)
> return ret;
> }
>
> -static int auxiliary_bus_remove(struct device *dev)
> +static void auxiliary_bus_remove(struct device *dev)
> {
> struct auxiliary_driver *auxdrv = to_auxiliary_drv(dev-
> >driver);
> struct auxiliary_device *auxdev = to_auxiliary_dev(dev);
> @@ -87,8 +87,6 @@ static int auxiliary_bus_remove(struct device *dev)
> if (auxdrv->remove)
> auxdrv->remove(auxdev);
> dev_pm_domain_detach(dev, true);
> -
> - return 0;
> }
>
> static void auxiliary_bus_shutdown(struct device *dev)
> diff --git a/drivers/base/isa.c b/drivers/base/isa.c
> index aa4737667026..55e3ee2da98f 100644
> --- a/drivers/base/isa.c
> +++ b/drivers/base/isa.c
> @@ -46,14 +46,12 @@ static int isa_bus_probe(struct device *dev)
> return 0;
> }
>
> -static int isa_bus_remove(struct device *dev)
> +static void isa_bus_remove(struct device *dev)
> {
> struct isa_driver *isa_driver = dev->platform_data;
>
> if (isa_driver && isa_driver->remove)
> isa_driver->remove(dev, to_isa_dev(dev)->id);
> -
> - return 0;
> }
>
> static void isa_bus_shutdown(struct device *dev)
> diff --git a/drivers/base/platform.c b/drivers/base/platform.c
> index 8640578f45e9..a94b7f454881 100644
> --- a/drivers/base/platform.c
> +++ b/drivers/base/platform.c
> @@ -1438,7 +1438,7 @@ static int platform_probe(struct device *_dev)
> return ret;
> }
>
> -static int platform_remove(struct device *_dev)
> +static void platform_remove(struct device *_dev)
> {
> struct platform_driver *drv = to_platform_driver(_dev-
> >driver);
> struct platform_device *dev = to_platform_device(_dev);
> @@ -1450,8 +1450,6 @@ static int platform_remove(struct device *_dev)
> dev_warn(_dev, "remove callback returned a
> non-zero value. This will be ignored.\n");
> }
> dev_pm_domain_detach(_dev, true);
> -
> - return 0;
> }
>
> static void platform_shutdown(struct device *_dev)
> diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c
> index 6535614a7dc1..e076630d17bd 100644
> --- a/drivers/bcma/main.c
> +++ b/drivers/bcma/main.c
> @@ -27,7 +27,7 @@ static DEFINE_MUTEX(bcma_buses_mutex);
>
> static int bcma_bus_match(struct device *dev, struct device_driver
> *drv);
> static int bcma_device_probe(struct device *dev);
> -static int bcma_device_remove(struct device *dev);
> +static void bcma_device_remove(struct device *dev);
> static int bcma_device_uevent(struct device *dev, struct
> kobj_uevent_env *env);
>
> static ssize_t manuf_show(struct device *dev, struct
> device_attribute *attr, char *buf)
> @@ -614,7 +614,7 @@ static int bcma_device_probe(struct device *dev)
> return err;
> }
>
> -static int bcma_device_remove(struct device *dev)
> +static void bcma_device_remove(struct device *dev)
> {
> struct bcma_device *core = container_of(dev, struct
> bcma_device, dev);
> struct bcma_driver *adrv = container_of(dev->driver, struct
> bcma_driver,
> @@ -623,8 +623,6 @@ static int bcma_device_remove(struct device *dev)
> if (adrv->remove)
> adrv->remove(core);
> put_device(dev);
> -
> - return 0;
> }
>
> static int bcma_device_uevent(struct device *dev, struct
> kobj_uevent_env *env)
> diff --git a/drivers/bus/sunxi-rsb.c b/drivers/bus/sunxi-rsb.c
> index d46db132d085..6f225dddc74f 100644
> --- a/drivers/bus/sunxi-rsb.c
> +++ b/drivers/bus/sunxi-rsb.c
> @@ -169,13 +169,11 @@ static int sunxi_rsb_device_probe(struct device
> *dev)
> return drv->probe(rdev);
> }
>
> -static int sunxi_rsb_device_remove(struct device *dev)
> +static void sunxi_rsb_device_remove(struct device *dev)
> {
> const struct sunxi_rsb_driver *drv = to_sunxi_rsb_driver(dev-
> >driver);
>
> drv->remove(to_sunxi_rsb_device(dev));
> -
> - return 0;
> }
>
> static struct bus_type sunxi_rsb_bus = {
> diff --git a/drivers/cxl/core.c b/drivers/cxl/core.c
> index a2e4d54fc7bc..2b90b7c3b9d7 100644
> --- a/drivers/cxl/core.c
> +++ b/drivers/cxl/core.c
> @@ -1034,13 +1034,12 @@ static int cxl_bus_probe(struct device *dev)
> return to_cxl_drv(dev->driver)->probe(dev);
> }
>
> -static int cxl_bus_remove(struct device *dev)
> +static void cxl_bus_remove(struct device *dev)
> {
> struct cxl_driver *cxl_drv = to_cxl_drv(dev->driver);
>
> if (cxl_drv->remove)
> cxl_drv->remove(dev);
> - return 0;
> }
>
> struct bus_type cxl_bus_type = {
> diff --git a/drivers/dax/bus.c b/drivers/dax/bus.c
> index 5aee26e1bbd6..6cc4da4c713d 100644
> --- a/drivers/dax/bus.c
> +++ b/drivers/dax/bus.c
> @@ -172,15 +172,13 @@ static int dax_bus_probe(struct device *dev)
> return 0;
> }
>
> -static int dax_bus_remove(struct device *dev)
> +static void dax_bus_remove(struct device *dev)
> {
> struct dax_device_driver *dax_drv = to_dax_drv(dev->driver);
> struct dev_dax *dev_dax = to_dev_dax(dev);
>
> if (dax_drv->remove)
> dax_drv->remove(dev_dax);
> -
> - return 0;
> }
>
> static struct bus_type dax_bus_type = {
> diff --git a/drivers/dma/idxd/sysfs.c b/drivers/dma/idxd/sysfs.c
> index 0460d58e3941..5a017c62c752 100644
> --- a/drivers/dma/idxd/sysfs.c
> +++ b/drivers/dma/idxd/sysfs.c
> @@ -260,7 +260,7 @@ static void disable_wq(struct idxd_wq *wq)
> dev_info(dev, "wq %s disabled\n", dev_name(&wq->conf_dev));
> }
>
> -static int idxd_config_bus_remove(struct device *dev)
> +static void idxd_config_bus_remove(struct device *dev)
> {
> int rc;
>
> @@ -305,8 +305,6 @@ static int idxd_config_bus_remove(struct device
> *dev)
> dev_info(dev, "Device %s disabled\n",
> dev_name(dev));
>
> }
> -
> - return 0;
> }
>
> static void idxd_config_bus_shutdown(struct device *dev)
> diff --git a/drivers/firewire/core-device.c b/drivers/firewire/core-
> device.c
> index 68216988391f..90ed8fdaba75 100644
> --- a/drivers/firewire/core-device.c
> +++ b/drivers/firewire/core-device.c
> @@ -187,14 +187,12 @@ static int fw_unit_probe(struct device *dev)
> return driver->probe(fw_unit(dev), unit_match(dev, dev-
> >driver));
> }
>
> -static int fw_unit_remove(struct device *dev)
> +static void fw_unit_remove(struct device *dev)
> {
> struct fw_driver *driver =
> container_of(dev->driver, struct fw_driver,
> driver);
>
> driver->remove(fw_unit(dev));
> -
> - return 0;
> }
>
> static int get_modalias(struct fw_unit *unit, char *buffer, size_t
> buffer_size)
> diff --git a/drivers/firmware/arm_scmi/bus.c
> b/drivers/firmware/arm_scmi/bus.c
> index 784cf0027da3..2682c3df651c 100644
> --- a/drivers/firmware/arm_scmi/bus.c
> +++ b/drivers/firmware/arm_scmi/bus.c
> @@ -116,15 +116,13 @@ static int scmi_dev_probe(struct device *dev)
> return scmi_drv->probe(scmi_dev);
> }
>
> -static int scmi_dev_remove(struct device *dev)
> +static void scmi_dev_remove(struct device *dev)
> {
> struct scmi_driver *scmi_drv = to_scmi_driver(dev->driver);
> struct scmi_device *scmi_dev = to_scmi_dev(dev);
>
> if (scmi_drv->remove)
> scmi_drv->remove(scmi_dev);
> -
> - return 0;
> }
>
> static struct bus_type scmi_bus_type = {
> diff --git a/drivers/firmware/google/coreboot_table.c
> b/drivers/firmware/google/coreboot_table.c
> index dc83ea118c67..c52bcaa9def6 100644
> --- a/drivers/firmware/google/coreboot_table.c
> +++ b/drivers/firmware/google/coreboot_table.c
> @@ -44,15 +44,13 @@ static int coreboot_bus_probe(struct device *dev)
> return ret;
> }
>
> -static int coreboot_bus_remove(struct device *dev)
> +static void coreboot_bus_remove(struct device *dev)
> {
> struct coreboot_device *device = CB_DEV(dev);
> struct coreboot_driver *driver = CB_DRV(dev->driver);
>
> if (driver->remove)
> driver->remove(device);
> -
> - return 0;
> }
>
> static struct bus_type coreboot_bus_type = {
> diff --git a/drivers/fpga/dfl.c b/drivers/fpga/dfl.c
> index 511b20ff35a3..1ae6779a0dd6 100644
> --- a/drivers/fpga/dfl.c
> +++ b/drivers/fpga/dfl.c
> @@ -284,15 +284,13 @@ static int dfl_bus_probe(struct device *dev)
> return ddrv->probe(ddev);
> }
>
> -static int dfl_bus_remove(struct device *dev)
> +static void dfl_bus_remove(struct device *dev)
> {
> struct dfl_driver *ddrv = to_dfl_drv(dev->driver);
> struct dfl_device *ddev = to_dfl_dev(dev);
>
> if (ddrv->remove)
> ddrv->remove(ddev);
> -
> - return 0;
> }
>
> static int dfl_bus_uevent(struct device *dev, struct kobj_uevent_env
> *env)
> diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
> index 7db332139f7d..dbed2524fd47 100644
> --- a/drivers/hid/hid-core.c
> +++ b/drivers/hid/hid-core.c
> @@ -2302,7 +2302,7 @@ static int hid_device_probe(struct device *dev)
> return ret;
> }
>
> -static int hid_device_remove(struct device *dev)
> +static void hid_device_remove(struct device *dev)
> {
> struct hid_device *hdev = to_hid_device(dev);
> struct hid_driver *hdrv;
> @@ -2322,8 +2322,6 @@ static int hid_device_remove(struct device
> *dev)
>
> if (!hdev->io_started)
> up(&hdev->driver_input_lock);
> -
> - return 0;
> }
>
> static ssize_t modalias_show(struct device *dev, struct
> device_attribute *a,
> diff --git a/drivers/hid/intel-ish-hid/ishtp/bus.c
> b/drivers/hid/intel-ish-hid/ishtp/bus.c
> index f0802b047ed8..8a51bd9cd093 100644
> --- a/drivers/hid/intel-ish-hid/ishtp/bus.c
> +++ b/drivers/hid/intel-ish-hid/ishtp/bus.c
> @@ -255,7 +255,7 @@ static int ishtp_cl_bus_match(struct device *dev,
> struct device_driver *drv)
> *
> * Return: Return value from driver remove() call.
> */
> -static int ishtp_cl_device_remove(struct device *dev)
> +static void ishtp_cl_device_remove(struct device *dev)
> {
> struct ishtp_cl_device *device = to_ishtp_cl_device(dev);
> struct ishtp_cl_driver *driver = to_ishtp_cl_driver(dev-
> >driver);
> @@ -267,8 +267,6 @@ static int ishtp_cl_device_remove(struct device
> *dev)
>
> if (driver->remove)
> driver->remove(device);
> -
> - return 0;
> }
>
> /**
> diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c
> index 57bbbaa4e8f7..392c1ac4f819 100644
> --- a/drivers/hv/vmbus_drv.c
> +++ b/drivers/hv/vmbus_drv.c
> @@ -922,7 +922,7 @@ static int vmbus_probe(struct device
> *child_device)
> /*
> * vmbus_remove - Remove a vmbus device
> */
> -static int vmbus_remove(struct device *child_device)
> +static void vmbus_remove(struct device *child_device)
> {
> struct hv_driver *drv;
> struct hv_device *dev = device_to_hv_device(child_device);
> @@ -932,11 +932,8 @@ static int vmbus_remove(struct device
> *child_device)
> if (drv->remove)
> drv->remove(dev);
> }
> -
> - return 0;
> }
>
> -
> /*
> * vmbus_shutdown - Shutdown a vmbus device
> */
> diff --git a/drivers/hwtracing/intel_th/core.c
> b/drivers/hwtracing/intel_th/core.c
> index 66eed2dff818..7e753a75d23b 100644
> --- a/drivers/hwtracing/intel_th/core.c
> +++ b/drivers/hwtracing/intel_th/core.c
> @@ -95,7 +95,7 @@ static int intel_th_probe(struct device *dev)
>
> static void intel_th_device_remove(struct intel_th_device *thdev);
>
> -static int intel_th_remove(struct device *dev)
> +static void intel_th_remove(struct device *dev)
> {
> struct intel_th_driver *thdrv = to_intel_th_driver(dev-
> >driver);
> struct intel_th_device *thdev = to_intel_th_device(dev);
> @@ -164,8 +164,6 @@ static int intel_th_remove(struct device *dev)
> pm_runtime_disable(dev);
> pm_runtime_set_active(dev);
> pm_runtime_enable(dev);
> -
> - return 0;
> }
>
> static struct bus_type intel_th_bus = {
> diff --git a/drivers/i2c/i2c-core-base.c b/drivers/i2c/i2c-core-
> base.c
> index 84f12bf90644..54964fbe3f03 100644
> --- a/drivers/i2c/i2c-core-base.c
> +++ b/drivers/i2c/i2c-core-base.c
> @@ -601,7 +601,7 @@ static int i2c_device_probe(struct device *dev)
> return status;
> }
>
> -static int i2c_device_remove(struct device *dev)
> +static void i2c_device_remove(struct device *dev)
> {
> struct i2c_client *client = to_i2c_client(dev);
> struct i2c_adapter *adap;
> @@ -631,9 +631,6 @@ static int i2c_device_remove(struct device *dev)
> client->irq = 0;
> if (client->flags & I2C_CLIENT_HOST_NOTIFY)
> pm_runtime_put(&client->adapter->dev);
> -
> - /* return always 0 because there is WIP to make remove-
> functions void */
> - return 0;
> }
>
> #ifdef CONFIG_PM_SLEEP
> diff --git a/drivers/i3c/master.c b/drivers/i3c/master.c
> index e2e12a5585e5..c3b4c677b442 100644
> --- a/drivers/i3c/master.c
> +++ b/drivers/i3c/master.c
> @@ -322,7 +322,7 @@ static int i3c_device_probe(struct device *dev)
> return driver->probe(i3cdev);
> }
>
> -static int i3c_device_remove(struct device *dev)
> +static void i3c_device_remove(struct device *dev)
> {
> struct i3c_device *i3cdev = dev_to_i3cdev(dev);
> struct i3c_driver *driver = drv_to_i3cdrv(dev->driver);
> @@ -331,8 +331,6 @@ static int i3c_device_remove(struct device *dev)
> driver->remove(i3cdev);
>
> i3c_device_free_ibi(i3cdev);
> -
> - return 0;
> }
>
> struct bus_type i3c_bus_type = {
> diff --git a/drivers/input/gameport/gameport.c
> b/drivers/input/gameport/gameport.c
> index 61fa7e724172..db58a01b23d3 100644
> --- a/drivers/input/gameport/gameport.c
> +++ b/drivers/input/gameport/gameport.c
> @@ -697,13 +697,12 @@ static int gameport_driver_probe(struct device
> *dev)
> return gameport->drv ? 0 : -ENODEV;
> }
>
> -static int gameport_driver_remove(struct device *dev)
> +static void gameport_driver_remove(struct device *dev)
> {
> struct gameport *gameport = to_gameport_port(dev);
> struct gameport_driver *drv = to_gameport_driver(dev-
> >driver);
>
> drv->disconnect(gameport);
> - return 0;
> }
>
> static void gameport_attach_driver(struct gameport_driver *drv)
> diff --git a/drivers/input/serio/serio.c
> b/drivers/input/serio/serio.c
> index 29f491082926..ec117be3d8d8 100644
> --- a/drivers/input/serio/serio.c
> +++ b/drivers/input/serio/serio.c
> @@ -778,12 +778,11 @@ static int serio_driver_probe(struct device
> *dev)
> return serio_connect_driver(serio, drv);
> }
>
> -static int serio_driver_remove(struct device *dev)
> +static void serio_driver_remove(struct device *dev)
> {
> struct serio *serio = to_serio_port(dev);
>
> serio_disconnect_driver(serio);
> - return 0;
> }
>
> static void serio_cleanup(struct serio *serio)
> diff --git a/drivers/ipack/ipack.c b/drivers/ipack/ipack.c
> index 7de9605cac4f..b1c3198355e7 100644
> --- a/drivers/ipack/ipack.c
> +++ b/drivers/ipack/ipack.c
> @@ -67,15 +67,13 @@ static int ipack_bus_probe(struct device *device)
> return drv->ops->probe(dev);
> }
>
> -static int ipack_bus_remove(struct device *device)
> +static void ipack_bus_remove(struct device *device)
> {
> struct ipack_device *dev = to_ipack_dev(device);
> struct ipack_driver *drv = to_ipack_driver(device->driver);
>
> if (drv->ops->remove)
> drv->ops->remove(dev);
> -
> - return 0;
> }
>
> static int ipack_uevent(struct device *dev, struct kobj_uevent_env
> *env)
> diff --git a/drivers/macintosh/macio_asic.c
> b/drivers/macintosh/macio_asic.c
> index 49af60bdac92..c1fdf2896021 100644
> --- a/drivers/macintosh/macio_asic.c
> +++ b/drivers/macintosh/macio_asic.c
> @@ -88,7 +88,7 @@ static int macio_device_probe(struct device *dev)
> return error;
> }
>
> -static int macio_device_remove(struct device *dev)
> +static void macio_device_remove(struct device *dev)
> {
> struct macio_dev * macio_dev = to_macio_device(dev);
> struct macio_driver * drv = to_macio_driver(dev->driver);
> @@ -96,8 +96,6 @@ static int macio_device_remove(struct device *dev)
> if (dev->driver && drv->remove)
> drv->remove(macio_dev);
> macio_dev_put(macio_dev);
> -
> - return 0;
> }
>
> static void macio_device_shutdown(struct device *dev)
> diff --git a/drivers/mcb/mcb-core.c b/drivers/mcb/mcb-core.c
> index 38fbb3b59873..edf4ee6eff25 100644
> --- a/drivers/mcb/mcb-core.c
> +++ b/drivers/mcb/mcb-core.c
> @@ -77,7 +77,7 @@ static int mcb_probe(struct device *dev)
> return ret;
> }
>
> -static int mcb_remove(struct device *dev)
> +static void mcb_remove(struct device *dev)
> {
> struct mcb_driver *mdrv = to_mcb_driver(dev->driver);
> struct mcb_device *mdev = to_mcb_device(dev);
> @@ -89,8 +89,6 @@ static int mcb_remove(struct device *dev)
> module_put(carrier_mod);
>
> put_device(&mdev->dev);
> -
> - return 0;
> }
>
> static void mcb_shutdown(struct device *dev)
> diff --git a/drivers/media/pci/bt8xx/bttv-gpio.c
> b/drivers/media/pci/bt8xx/bttv-gpio.c
> index b730225ca887..a2b18e2bed1b 100644
> --- a/drivers/media/pci/bt8xx/bttv-gpio.c
> +++ b/drivers/media/pci/bt8xx/bttv-gpio.c
> @@ -46,14 +46,13 @@ static int bttv_sub_probe(struct device *dev)
> return sub->probe ? sub->probe(sdev) : -ENODEV;
> }
>
> -static int bttv_sub_remove(struct device *dev)
> +static void bttv_sub_remove(struct device *dev)
> {
> struct bttv_sub_device *sdev = to_bttv_sub_dev(dev);
> struct bttv_sub_driver *sub = to_bttv_sub_drv(dev->driver);
>
> if (sub->remove)
> sub->remove(sdev);
> - return 0;
> }
>
> struct bus_type bttv_sub_bus_type = {
> diff --git a/drivers/memstick/core/memstick.c
> b/drivers/memstick/core/memstick.c
> index bb1065990aeb..660df7d269fa 100644
> --- a/drivers/memstick/core/memstick.c
> +++ b/drivers/memstick/core/memstick.c
> @@ -91,7 +91,7 @@ static int memstick_device_probe(struct device
> *dev)
> return rc;
> }
>
> -static int memstick_device_remove(struct device *dev)
> +static void memstick_device_remove(struct device *dev)
> {
> struct memstick_dev *card = container_of(dev, struct
> memstick_dev,
> dev);
> @@ -105,7 +105,6 @@ static int memstick_device_remove(struct device
> *dev)
> }
>
> put_device(dev);
> - return 0;
> }
>
> #ifdef CONFIG_PM
> diff --git a/drivers/mfd/mcp-core.c b/drivers/mfd/mcp-core.c
> index eff9423e90f5..2fa592c37c6f 100644
> --- a/drivers/mfd/mcp-core.c
> +++ b/drivers/mfd/mcp-core.c
> @@ -33,13 +33,12 @@ static int mcp_bus_probe(struct device *dev)
> return drv->probe(mcp);
> }
>
> -static int mcp_bus_remove(struct device *dev)
> +static void mcp_bus_remove(struct device *dev)
> {
> struct mcp *mcp = to_mcp(dev);
> struct mcp_driver *drv = to_mcp_driver(dev->driver);
>
> drv->remove(mcp);
> - return 0;
> }
>
> static struct bus_type mcp_bus_type = {
> diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c
> index 935acc6bbf3c..3bf2bb4fd152 100644
> --- a/drivers/misc/mei/bus.c
> +++ b/drivers/misc/mei/bus.c
> @@ -884,7 +884,7 @@ static int mei_cl_device_probe(struct device
> *dev)
> *
> * Return: 0 on success; < 0 otherwise
> */
> -static int mei_cl_device_remove(struct device *dev)
> +static void mei_cl_device_remove(struct device *dev)
> {
> struct mei_cl_device *cldev = to_mei_cl_device(dev);
> struct mei_cl_driver *cldrv = to_mei_cl_driver(dev->driver);
> @@ -896,8 +896,6 @@ static int mei_cl_device_remove(struct device
> *dev)
>
> mei_cl_bus_module_put(cldev);
> module_put(THIS_MODULE);
> -
> - return 0;
> }
>
> static ssize_t name_show(struct device *dev, struct device_attribute
> *a,
> diff --git a/drivers/misc/tifm_core.c b/drivers/misc/tifm_core.c
> index 667e574a7df2..52656fc87e99 100644
> --- a/drivers/misc/tifm_core.c
> +++ b/drivers/misc/tifm_core.c
> @@ -87,7 +87,7 @@ static void tifm_dummy_event(struct tifm_dev *sock)
> return;
> }
>
> -static int tifm_device_remove(struct device *dev)
> +static void tifm_device_remove(struct device *dev)
> {
> struct tifm_dev *sock = container_of(dev, struct tifm_dev,
> dev);
> struct tifm_driver *drv = container_of(dev->driver, struct
> tifm_driver,
> @@ -101,7 +101,6 @@ static int tifm_device_remove(struct device *dev)
> }
>
> put_device(dev);
> - return 0;
> }
>
> #ifdef CONFIG_PM
> diff --git a/drivers/mmc/core/bus.c b/drivers/mmc/core/bus.c
> index 4383c262b3f5..f6b7a9c5bbff 100644
> --- a/drivers/mmc/core/bus.c
> +++ b/drivers/mmc/core/bus.c
> @@ -140,14 +140,12 @@ static int mmc_bus_probe(struct device *dev)
> return drv->probe(card);
> }
>
> -static int mmc_bus_remove(struct device *dev)
> +static void mmc_bus_remove(struct device *dev)
> {
> struct mmc_driver *drv = to_mmc_driver(dev->driver);
> struct mmc_card *card = mmc_dev_to_card(dev);
>
> drv->remove(card);
> -
> - return 0;
> }
>
> static void mmc_bus_shutdown(struct device *dev)
> diff --git a/drivers/mmc/core/sdio_bus.c
> b/drivers/mmc/core/sdio_bus.c
> index 3d709029e07c..fda03b35c14a 100644
> --- a/drivers/mmc/core/sdio_bus.c
> +++ b/drivers/mmc/core/sdio_bus.c
> @@ -203,7 +203,7 @@ static int sdio_bus_probe(struct device *dev)
> return ret;
> }
>
> -static int sdio_bus_remove(struct device *dev)
> +static void sdio_bus_remove(struct device *dev)
> {
> struct sdio_driver *drv = to_sdio_driver(dev->driver);
> struct sdio_func *func = dev_to_sdio_func(dev);
> @@ -232,8 +232,6 @@ static int sdio_bus_remove(struct device *dev)
> pm_runtime_put_sync(dev);
>
> dev_pm_domain_detach(dev, false);
> -
> - return 0;
> }
>
> static const struct dev_pm_ops sdio_bus_pm_ops = {
> diff --git a/drivers/net/netdevsim/bus.c
> b/drivers/net/netdevsim/bus.c
> index ccec29970d5b..14b154929533 100644
> --- a/drivers/net/netdevsim/bus.c
> +++ b/drivers/net/netdevsim/bus.c
> @@ -370,12 +370,11 @@ static int nsim_bus_probe(struct device *dev)
> return nsim_dev_probe(nsim_bus_dev);
> }
>
> -static int nsim_bus_remove(struct device *dev)
> +static void nsim_bus_remove(struct device *dev)
> {
> struct nsim_bus_dev *nsim_bus_dev = to_nsim_bus_dev(dev);
>
> nsim_dev_remove(nsim_bus_dev);
> - return 0;
> }
>
> static int nsim_num_vf(struct device *dev)
> diff --git a/drivers/ntb/core.c b/drivers/ntb/core.c
> index f8f75a504a58..27dd93deff6e 100644
> --- a/drivers/ntb/core.c
> +++ b/drivers/ntb/core.c
> @@ -271,7 +271,7 @@ static int ntb_probe(struct device *dev)
> return rc;
> }
>
> -static int ntb_remove(struct device *dev)
> +static void ntb_remove(struct device *dev)
> {
> struct ntb_dev *ntb;
> struct ntb_client *client;
> @@ -283,8 +283,6 @@ static int ntb_remove(struct device *dev)
> client->ops.remove(client, ntb);
> put_device(dev);
> }
> -
> - return 0;
> }
>
> static void ntb_dev_release(struct device *dev)
> diff --git a/drivers/ntb/ntb_transport.c
> b/drivers/ntb/ntb_transport.c
> index 4a02561cfb96..a9b97ebc71ac 100644
> --- a/drivers/ntb/ntb_transport.c
> +++ b/drivers/ntb/ntb_transport.c
> @@ -304,7 +304,7 @@ static int ntb_transport_bus_probe(struct device
> *dev)
> return rc;
> }
>
> -static int ntb_transport_bus_remove(struct device *dev)
> +static void ntb_transport_bus_remove(struct device *dev)
> {
> const struct ntb_transport_client *client;
>
> @@ -312,8 +312,6 @@ static int ntb_transport_bus_remove(struct device
> *dev)
> client->remove(dev);
>
> put_device(dev);
> -
> - return 0;
> }
>
> static struct bus_type ntb_transport_bus = {
> diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c
> index e6aa87043a95..9dc7f3edd42b 100644
> --- a/drivers/nvdimm/bus.c
> +++ b/drivers/nvdimm/bus.c
> @@ -108,7 +108,7 @@ static int nvdimm_bus_probe(struct device *dev)
> return rc;
> }
>
> -static int nvdimm_bus_remove(struct device *dev)
> +static void nvdimm_bus_remove(struct device *dev)
> {
> struct nd_device_driver *nd_drv = to_nd_device_driver(dev-
> >driver);
> struct module *provider = to_bus_provider(dev);
> @@ -123,7 +123,6 @@ static int nvdimm_bus_remove(struct device *dev)
> dev_dbg(&nvdimm_bus->dev, "%s.remove(%s)\n", dev->driver-
> >name,
> dev_name(dev));
> module_put(provider);
> - return 0;
> }
>
> static void nvdimm_bus_shutdown(struct device *dev)
> diff --git a/drivers/pci/endpoint/pci-epf-core.c
> b/drivers/pci/endpoint/pci-epf-core.c
> index 4b9ad96bf1b2..502eb79cd551 100644
> --- a/drivers/pci/endpoint/pci-epf-core.c
> +++ b/drivers/pci/endpoint/pci-epf-core.c
> @@ -387,7 +387,7 @@ static int pci_epf_device_probe(struct device
> *dev)
> return driver->probe(epf);
> }
>
> -static int pci_epf_device_remove(struct device *dev)
> +static void pci_epf_device_remove(struct device *dev)
> {
> struct pci_epf *epf = to_pci_epf(dev);
> struct pci_epf_driver *driver = to_pci_epf_driver(dev-
> >driver);
> @@ -395,8 +395,6 @@ static int pci_epf_device_remove(struct device
> *dev)
> if (driver->remove)
> driver->remove(epf);
> epf->driver = NULL;
> -
> - return 0;
> }
>
> static struct bus_type pci_epf_bus_type = {
> diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
> index 3a72352aa5cf..a0615395500a 100644
> --- a/drivers/pci/pci-driver.c
> +++ b/drivers/pci/pci-driver.c
> @@ -440,7 +440,7 @@ static int pci_device_probe(struct device *dev)
> return error;
> }
>
> -static int pci_device_remove(struct device *dev)
> +static void pci_device_remove(struct device *dev)
> {
> struct pci_dev *pci_dev = to_pci_dev(dev);
> struct pci_driver *drv = pci_dev->driver;
> @@ -476,7 +476,6 @@ static int pci_device_remove(struct device *dev)
> */
>
> pci_dev_put(pci_dev);
> - return 0;
> }
>
> static void pci_device_shutdown(struct device *dev)
> diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
> index bd81aa64d011..5bd1b80424e7 100644
> --- a/drivers/pcmcia/ds.c
> +++ b/drivers/pcmcia/ds.c
> @@ -350,7 +350,7 @@ static void pcmcia_card_remove(struct
> pcmcia_socket *s, struct pcmcia_device *le
> return;
> }
>
> -static int pcmcia_device_remove(struct device *dev)
> +static void pcmcia_device_remove(struct device *dev)
> {
> struct pcmcia_device *p_dev;
> struct pcmcia_driver *p_drv;
> @@ -389,8 +389,6 @@ static int pcmcia_device_remove(struct device
> *dev)
> /* references from pcmcia_device_probe */
> pcmcia_put_dev(p_dev);
> module_put(p_drv->owner);
> -
> - return 0;
> }
>
>
> diff --git a/drivers/platform/surface/aggregator/bus.c
> b/drivers/platform/surface/aggregator/bus.c
> index 0169677c243e..0a40dd9c94ed 100644
> --- a/drivers/platform/surface/aggregator/bus.c
> +++ b/drivers/platform/surface/aggregator/bus.c
> @@ -316,14 +316,12 @@ static int ssam_bus_probe(struct device *dev)
> ->probe(to_ssam_device(dev));
> }
>
> -static int ssam_bus_remove(struct device *dev)
> +static void ssam_bus_remove(struct device *dev)
> {
> struct ssam_device_driver *sdrv = to_ssam_device_driver(dev-
> >driver);
>
> if (sdrv->remove)
> sdrv->remove(to_ssam_device(dev));
> -
> - return 0;
> }
>
> struct bus_type ssam_bus_type = {
> diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c
> index 62e0d56a3332..a76313006bdc 100644
> --- a/drivers/platform/x86/wmi.c
> +++ b/drivers/platform/x86/wmi.c
> @@ -980,7 +980,7 @@ static int wmi_dev_probe(struct device *dev)
> return ret;
> }
>
> -static int wmi_dev_remove(struct device *dev)
> +static void wmi_dev_remove(struct device *dev)
> {
> struct wmi_block *wblock = dev_to_wblock(dev);
> struct wmi_driver *wdriver =
> @@ -997,8 +997,6 @@ static int wmi_dev_remove(struct device *dev)
>
> if (ACPI_FAILURE(wmi_method_enable(wblock, 0)))
> dev_warn(dev, "failed to disable device\n");
> -
> - return 0;
> }
>
> static struct class wmi_bus_class = {
> diff --git a/drivers/pnp/driver.c b/drivers/pnp/driver.c
> index c29d590c5e4f..cc6757dfa3f1 100644
> --- a/drivers/pnp/driver.c
> +++ b/drivers/pnp/driver.c
> @@ -123,7 +123,7 @@ static int pnp_device_probe(struct device *dev)
> return error;
> }
>
> -static int pnp_device_remove(struct device *dev)
> +static void pnp_device_remove(struct device *dev)
> {
> struct pnp_dev *pnp_dev = to_pnp_dev(dev);
> struct pnp_driver *drv = pnp_dev->driver;
> @@ -139,7 +139,6 @@ static int pnp_device_remove(struct device *dev)
> pnp_disable_dev(pnp_dev);
>
> pnp_device_detach(pnp_dev);
> - return 0;
> }
>
> static void pnp_device_shutdown(struct device *dev)
> diff --git a/drivers/rapidio/rio-driver.c b/drivers/rapidio/rio-
> driver.c
> index 72874153972e..a72bb0a40fcf 100644
> --- a/drivers/rapidio/rio-driver.c
> +++ b/drivers/rapidio/rio-driver.c
> @@ -112,7 +112,7 @@ static int rio_device_probe(struct device *dev)
> * driver, then run the driver remove() method. Then update
> * the reference count.
> */
> -static int rio_device_remove(struct device *dev)
> +static void rio_device_remove(struct device *dev)
> {
> struct rio_dev *rdev = to_rio_dev(dev);
> struct rio_driver *rdrv = rdev->driver;
> @@ -124,8 +124,6 @@ static int rio_device_remove(struct device *dev)
> }
>
> rio_dev_put(rdev);
> -
> - return 0;
> }
>
> static void rio_device_shutdown(struct device *dev)
> diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c
> index c1404d3dae2c..7f6fac618ab2 100644
> --- a/drivers/rpmsg/rpmsg_core.c
> +++ b/drivers/rpmsg/rpmsg_core.c
> @@ -530,7 +530,7 @@ static int rpmsg_dev_probe(struct device *dev)
> return err;
> }
>
> -static int rpmsg_dev_remove(struct device *dev)
> +static void rpmsg_dev_remove(struct device *dev)
> {
> struct rpmsg_device *rpdev = to_rpmsg_device(dev);
> struct rpmsg_driver *rpdrv = to_rpmsg_driver(rpdev-
> >dev.driver);
> @@ -546,8 +546,6 @@ static int rpmsg_dev_remove(struct device *dev)
>
> if (rpdev->ept)
> rpmsg_destroy_ept(rpdev->ept);
> -
> - return err;
> }
>
> static struct bus_type rpmsg_bus = {
> diff --git a/drivers/s390/cio/ccwgroup.c
> b/drivers/s390/cio/ccwgroup.c
> index a6aeab1ea0ae..382c5b5f8cd3 100644
> --- a/drivers/s390/cio/ccwgroup.c
> +++ b/drivers/s390/cio/ccwgroup.c
> @@ -439,15 +439,13 @@ module_exit(cleanup_ccwgroup);
>
> /************************** driver stuff
> ******************************/
>
> -static int ccwgroup_remove(struct device *dev)
> +static void ccwgroup_remove(struct device *dev)
> {
> struct ccwgroup_device *gdev = to_ccwgroupdev(dev);
> struct ccwgroup_driver *gdrv = to_ccwgroupdrv(dev->driver);
>
> if (gdrv->remove)
> gdrv->remove(gdev);
> -
> - return 0;
> }
>
> static void ccwgroup_shutdown(struct device *dev)
> diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
> index 092fd1ea5799..ebc321edba51 100644
> --- a/drivers/s390/cio/css.c
> +++ b/drivers/s390/cio/css.c
> @@ -1371,7 +1371,7 @@ static int css_probe(struct device *dev)
> return ret;
> }
>
> -static int css_remove(struct device *dev)
> +static void css_remove(struct device *dev)
> {
> struct subchannel *sch;
>
> @@ -1379,8 +1379,6 @@ static int css_remove(struct device *dev)
> if (sch->driver->remove)
> sch->driver->remove(sch);
> sch->driver = NULL;
> -
> - return 0;
> }
>
> static void css_shutdown(struct device *dev)
> diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
> index cd5d2d4d8e46..adf33b653d87 100644
> --- a/drivers/s390/cio/device.c
> +++ b/drivers/s390/cio/device.c
> @@ -1741,7 +1741,7 @@ ccw_device_probe (struct device *dev)
> return 0;
> }
>
> -static int ccw_device_remove(struct device *dev)
> +static void ccw_device_remove(struct device *dev)
> {
> struct ccw_device *cdev = to_ccwdev(dev);
> struct ccw_driver *cdrv = cdev->drv;
> @@ -1775,8 +1775,6 @@ static int ccw_device_remove(struct device
> *dev)
> spin_unlock_irq(cdev->ccwlock);
> io_subchannel_quiesce(sch);
> __disable_cmf(cdev);
> -
> - return 0;
> }
>
> static void ccw_device_shutdown(struct device *dev)
> diff --git a/drivers/s390/cio/scm.c b/drivers/s390/cio/scm.c
> index b31711307e5a..b6b4589c70bd 100644
> --- a/drivers/s390/cio/scm.c
> +++ b/drivers/s390/cio/scm.c
> @@ -28,15 +28,13 @@ static int scmdev_probe(struct device *dev)
> return scmdrv->probe ? scmdrv->probe(scmdev) : -ENODEV;
> }
>
> -static int scmdev_remove(struct device *dev)
> +static void scmdev_remove(struct device *dev)
> {
> struct scm_device *scmdev = to_scm_dev(dev);
> struct scm_driver *scmdrv = to_scm_drv(dev->driver);
>
> if (scmdrv->remove)
> scmdrv->remove(scmdev);
> -
> - return 0;
> }
>
> static int scmdev_uevent(struct device *dev, struct kobj_uevent_env
> *env)
> diff --git a/drivers/s390/crypto/ap_bus.c
> b/drivers/s390/crypto/ap_bus.c
> index d2560186d771..8a0d37c0e2a5 100644
> --- a/drivers/s390/crypto/ap_bus.c
> +++ b/drivers/s390/crypto/ap_bus.c
> @@ -884,7 +884,7 @@ static int ap_device_probe(struct device *dev)
> return rc;
> }
>
> -static int ap_device_remove(struct device *dev)
> +static void ap_device_remove(struct device *dev)
> {
> struct ap_device *ap_dev = to_ap_dev(dev);
> struct ap_driver *ap_drv = ap_dev->drv;
> @@ -909,8 +909,6 @@ static int ap_device_remove(struct device *dev)
> ap_dev->drv = NULL;
>
> put_device(dev);
> -
> - return 0;
> }
>
> struct ap_queue *ap_get_qdev(ap_qid_t qid)
> diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
> index 5b3a20a140f9..58f69366bdcc 100644
> --- a/drivers/scsi/scsi_debug.c
> +++ b/drivers/scsi/scsi_debug.c
> @@ -7674,7 +7674,7 @@ static int sdebug_driver_probe(struct device
> *dev)
> return error;
> }
>
> -static int sdebug_driver_remove(struct device *dev)
> +static void sdebug_driver_remove(struct device *dev)
> {
> struct sdebug_host_info *sdbg_host;
> struct sdebug_dev_info *sdbg_devinfo, *tmp;
> @@ -7691,7 +7691,6 @@ static int sdebug_driver_remove(struct device
> *dev)
> }
>
> scsi_host_put(sdbg_host->shost);
> - return 0;
> }
>
> static int pseudo_lld_bus_match(struct device *dev,
> diff --git a/drivers/siox/siox-core.c b/drivers/siox/siox-core.c
> index 1794ff0106bc..7c4f32d76966 100644
> --- a/drivers/siox/siox-core.c
> +++ b/drivers/siox/siox-core.c
> @@ -520,7 +520,7 @@ static int siox_probe(struct device *dev)
> return sdriver->probe(sdevice);
> }
>
> -static int siox_remove(struct device *dev)
> +static void siox_remove(struct device *dev)
> {
> struct siox_driver *sdriver =
> container_of(dev->driver, struct siox_driver,
> driver);
> @@ -528,8 +528,6 @@ static int siox_remove(struct device *dev)
>
> if (sdriver->remove)
> sdriver->remove(sdevice);
> -
> - return 0;
> }
>
> static void siox_shutdown(struct device *dev)
> diff --git a/drivers/slimbus/core.c b/drivers/slimbus/core.c
> index 1d2bc181da05..78480e332ab8 100644
> --- a/drivers/slimbus/core.c
> +++ b/drivers/slimbus/core.c
> @@ -81,7 +81,7 @@ static int slim_device_probe(struct device *dev)
> return ret;
> }
>
> -static int slim_device_remove(struct device *dev)
> +static void slim_device_remove(struct device *dev)
> {
> struct slim_device *sbdev = to_slim_device(dev);
> struct slim_driver *sbdrv;
> @@ -91,8 +91,6 @@ static int slim_device_remove(struct device *dev)
> if (sbdrv->remove)
> sbdrv->remove(sbdev);
> }
> -
> - return 0;
> }
>
> static int slim_device_uevent(struct device *dev, struct
> kobj_uevent_env *env)
> diff --git a/drivers/soc/qcom/apr.c b/drivers/soc/qcom/apr.c
> index 7abfc8c4fdc7..475a57b435b2 100644
> --- a/drivers/soc/qcom/apr.c
> +++ b/drivers/soc/qcom/apr.c
> @@ -217,7 +217,7 @@ static int apr_device_probe(struct device *dev)
> return adrv->probe(adev);
> }
>
> -static int apr_device_remove(struct device *dev)
> +static void apr_device_remove(struct device *dev)
> {
> struct apr_device *adev = to_apr_device(dev);
> struct apr_driver *adrv;
> @@ -231,8 +231,6 @@ static int apr_device_remove(struct device *dev)
> idr_remove(&apr->svcs_idr, adev->svc_id);
> spin_unlock(&apr->svcs_lock);
> }
> -
> - return 0;
> }
>
> static int apr_uevent(struct device *dev, struct kobj_uevent_env
> *env)
> diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
> index c99181165321..ad2b558dc9cb 100644
> --- a/drivers/spi/spi.c
> +++ b/drivers/spi/spi.c
> @@ -405,7 +405,7 @@ static int spi_probe(struct device *dev)
> return ret;
> }
>
> -static int spi_remove(struct device *dev)
> +static void spi_remove(struct device *dev)
> {
> const struct spi_driver *sdrv = to_spi_driver(dev-
> >driver);
>
> @@ -420,8 +420,6 @@ static int spi_remove(struct device *dev)
> }
>
> dev_pm_domain_detach(dev, true);
> -
> - return 0;
> }
>
> static void spi_shutdown(struct device *dev)
> diff --git a/drivers/spmi/spmi.c b/drivers/spmi/spmi.c
> index 51f5aeb65b3b..b37ead9e2fad 100644
> --- a/drivers/spmi/spmi.c
> +++ b/drivers/spmi/spmi.c
> @@ -345,7 +345,7 @@ static int spmi_drv_probe(struct device *dev)
> return err;
> }
>
> -static int spmi_drv_remove(struct device *dev)
> +static void spmi_drv_remove(struct device *dev)
> {
> const struct spmi_driver *sdrv = to_spmi_driver(dev->driver);
>
> @@ -356,7 +356,6 @@ static int spmi_drv_remove(struct device *dev)
> pm_runtime_disable(dev);
> pm_runtime_set_suspended(dev);
> pm_runtime_put_noidle(dev);
> - return 0;
> }
>
> static void spmi_drv_shutdown(struct device *dev)
> diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c
> index 3a29b5570f9f..8a93c83cb6f8 100644
> --- a/drivers/ssb/main.c
> +++ b/drivers/ssb/main.c
> @@ -283,7 +283,7 @@ static void ssb_device_shutdown(struct device
> *dev)
> ssb_drv->shutdown(ssb_dev);
> }
>
> -static int ssb_device_remove(struct device *dev)
> +static void ssb_device_remove(struct device *dev)
> {
> struct ssb_device *ssb_dev = dev_to_ssb_dev(dev);
> struct ssb_driver *ssb_drv = drv_to_ssb_drv(dev->driver);
> @@ -291,8 +291,6 @@ static int ssb_device_remove(struct device *dev)
> if (ssb_drv && ssb_drv->remove)
> ssb_drv->remove(ssb_dev);
> ssb_device_put(ssb_dev);
> -
> - return 0;
> }
>
> static int ssb_device_probe(struct device *dev)
> diff --git a/drivers/staging/fieldbus/anybuss/host.c
> b/drivers/staging/fieldbus/anybuss/host.c
> index 0f730efe9a6d..8a75f6642c78 100644
> --- a/drivers/staging/fieldbus/anybuss/host.c
> +++ b/drivers/staging/fieldbus/anybuss/host.c
> @@ -1186,15 +1186,13 @@ static int anybus_bus_probe(struct device
> *dev)
> return adrv->probe(adev);
> }
>
> -static int anybus_bus_remove(struct device *dev)
> +static void anybus_bus_remove(struct device *dev)
> {
> struct anybuss_client_driver *adrv =
> to_anybuss_client_driver(dev->driver);
>
> if (adrv->remove)
> adrv->remove(to_anybuss_client(dev));
> -
> - return 0;
> }
>
> static struct bus_type anybus_bus = {
> diff --git a/drivers/staging/greybus/gbphy.c
> b/drivers/staging/greybus/gbphy.c
> index 13d319860da5..5a5c17a4519b 100644
> --- a/drivers/staging/greybus/gbphy.c
> +++ b/drivers/staging/greybus/gbphy.c
> @@ -169,7 +169,7 @@ static int gbphy_dev_probe(struct device *dev)
> return ret;
> }
>
> -static int gbphy_dev_remove(struct device *dev)
> +static void gbphy_dev_remove(struct device *dev)
> {
> struct gbphy_driver *gbphy_drv = to_gbphy_driver(dev-
> >driver);
> struct gbphy_device *gbphy_dev = to_gbphy_dev(dev);
> @@ -180,8 +180,6 @@ static int gbphy_dev_remove(struct device *dev)
> pm_runtime_set_suspended(dev);
> pm_runtime_put_noidle(dev);
> pm_runtime_dont_use_autosuspend(dev);
> -
> - return 0;
> }
>
> static struct bus_type gbphy_bus_type = {
> diff --git a/drivers/target/loopback/tcm_loop.c
> b/drivers/target/loopback/tcm_loop.c
> index 6d0b0e67e79e..cbb2118fb35e 100644
> --- a/drivers/target/loopback/tcm_loop.c
> +++ b/drivers/target/loopback/tcm_loop.c
> @@ -81,7 +81,7 @@ static int tcm_loop_show_info(struct seq_file *m,
> struct Scsi_Host *host)
> }
>
> static int tcm_loop_driver_probe(struct device *);
> -static int tcm_loop_driver_remove(struct device *);
> +static void tcm_loop_driver_remove(struct device *);
>
> static int pseudo_lld_bus_match(struct device *dev,
> struct device_driver *dev_driver)
> @@ -363,7 +363,7 @@ static int tcm_loop_driver_probe(struct device
> *dev)
> return 0;
> }
>
> -static int tcm_loop_driver_remove(struct device *dev)
> +static void tcm_loop_driver_remove(struct device *dev)
> {
> struct tcm_loop_hba *tl_hba;
> struct Scsi_Host *sh;
> @@ -373,7 +373,6 @@ static int tcm_loop_driver_remove(struct device
> *dev)
>
> scsi_remove_host(sh);
> scsi_host_put(sh);
> - return 0;
> }
>
> static void tcm_loop_release_adapter(struct device *dev)
> diff --git a/drivers/thunderbolt/domain.c
> b/drivers/thunderbolt/domain.c
> index a062befcb3b2..7018d959f775 100644
> --- a/drivers/thunderbolt/domain.c
> +++ b/drivers/thunderbolt/domain.c
> @@ -86,7 +86,7 @@ static int tb_service_probe(struct device *dev)
> return driver->probe(svc, id);
> }
>
> -static int tb_service_remove(struct device *dev)
> +static void tb_service_remove(struct device *dev)
> {
> struct tb_service *svc = tb_to_service(dev);
> struct tb_service_driver *driver;
> @@ -94,8 +94,6 @@ static int tb_service_remove(struct device *dev)
> driver = container_of(dev->driver, struct tb_service_driver,
> driver);
> if (driver->remove)
> driver->remove(svc);
> -
> - return 0;
> }
>
> static void tb_service_shutdown(struct device *dev)
> diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c
> index 9cdfcfe07e87..92498961fd92 100644
> --- a/drivers/tty/serdev/core.c
> +++ b/drivers/tty/serdev/core.c
> @@ -421,15 +421,13 @@ static int serdev_drv_probe(struct device *dev)
> return ret;
> }
>
> -static int serdev_drv_remove(struct device *dev)
> +static void serdev_drv_remove(struct device *dev)
> {
> const struct serdev_device_driver *sdrv =
> to_serdev_device_driver(dev->driver);
> if (sdrv->remove)
> sdrv->remove(to_serdev_device(dev));
>
> dev_pm_domain_detach(dev, true);
> -
> - return 0;
> }
>
> static struct bus_type serdev_bus_type = {
> diff --git a/drivers/usb/common/ulpi.c b/drivers/usb/common/ulpi.c
> index 7e13b74e60e5..4169cf40a03b 100644
> --- a/drivers/usb/common/ulpi.c
> +++ b/drivers/usb/common/ulpi.c
> @@ -78,14 +78,12 @@ static int ulpi_probe(struct device *dev)
> return drv->probe(to_ulpi_dev(dev));
> }
>
> -static int ulpi_remove(struct device *dev)
> +static void ulpi_remove(struct device *dev)
> {
> struct ulpi_driver *drv = to_ulpi_driver(dev->driver);
>
> if (drv->remove)
> drv->remove(to_ulpi_dev(dev));
> -
> - return 0;
> }
>
> static struct bus_type ulpi_bus = {
> diff --git a/drivers/usb/serial/bus.c b/drivers/usb/serial/bus.c
> index 7133818a58b9..9e38142acd38 100644
> --- a/drivers/usb/serial/bus.c
> +++ b/drivers/usb/serial/bus.c
> @@ -74,7 +74,7 @@ static int usb_serial_device_probe(struct device
> *dev)
> return retval;
> }
>
> -static int usb_serial_device_remove(struct device *dev)
> +static void usb_serial_device_remove(struct device *dev)
> {
> struct usb_serial_port *port = to_usb_serial_port(dev);
> struct usb_serial_driver *driver;
> @@ -101,8 +101,6 @@ static int usb_serial_device_remove(struct device
> *dev)
>
> if (!autopm_err)
> usb_autopm_put_interface(port->serial->interface);
> -
> - return 0;
> }
>
> static ssize_t new_id_store(struct device_driver *driver,
> diff --git a/drivers/usb/typec/bus.c b/drivers/usb/typec/bus.c
> index 7f3c9a8e2bf0..78e0e78954f2 100644
> --- a/drivers/usb/typec/bus.c
> +++ b/drivers/usb/typec/bus.c
> @@ -382,7 +382,7 @@ static int typec_probe(struct device *dev)
> return ret;
> }
>
> -static int typec_remove(struct device *dev)
> +static void typec_remove(struct device *dev)
> {
> struct typec_altmode_driver *drv = to_altmode_driver(dev-
> >driver);
> struct typec_altmode *adev = to_typec_altmode(dev);
> @@ -400,8 +400,6 @@ static int typec_remove(struct device *dev)
>
> adev->desc = NULL;
> adev->ops = NULL;
> -
> - return 0;
> }
>
> struct bus_type typec_bus = {
> diff --git a/drivers/vdpa/vdpa.c b/drivers/vdpa/vdpa.c
> index bb3f1d1f0422..3fc4525fc05c 100644
> --- a/drivers/vdpa/vdpa.c
> +++ b/drivers/vdpa/vdpa.c
> @@ -34,15 +34,13 @@ static int vdpa_dev_probe(struct device *d)
> return ret;
> }
>
> -static int vdpa_dev_remove(struct device *d)
> +static void vdpa_dev_remove(struct device *d)
> {
> struct vdpa_device *vdev = dev_to_vdpa(d);
> struct vdpa_driver *drv = drv_to_vdpa(vdev->dev.driver);
>
> if (drv && drv->remove)
> drv->remove(vdev);
> -
> - return 0;
> }
>
> static struct bus_type vdpa_bus = {
> diff --git a/drivers/vfio/mdev/mdev_driver.c
> b/drivers/vfio/mdev/mdev_driver.c
> index c368ec824e2b..e2cb1ff56f6c 100644
> --- a/drivers/vfio/mdev/mdev_driver.c
> +++ b/drivers/vfio/mdev/mdev_driver.c
> @@ -57,7 +57,7 @@ static int mdev_probe(struct device *dev)
> return ret;
> }
>
> -static int mdev_remove(struct device *dev)
> +static void mdev_remove(struct device *dev)
> {
> struct mdev_driver *drv =
> container_of(dev->driver, struct mdev_driver,
> driver);
> @@ -67,8 +67,6 @@ static int mdev_remove(struct device *dev)
> drv->remove(mdev);
>
> mdev_detach_iommu(mdev);
> -
> - return 0;
> }
>
> static int mdev_match(struct device *dev, struct device_driver *drv)
> diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c
> index 4b15c00c0a0a..2a6055c0d4d3 100644
> --- a/drivers/virtio/virtio.c
> +++ b/drivers/virtio/virtio.c
> @@ -278,7 +278,7 @@ static int virtio_dev_probe(struct device *_d)
>
> }
>
> -static int virtio_dev_remove(struct device *_d)
> +static void virtio_dev_remove(struct device *_d)
> {
> struct virtio_device *dev = dev_to_virtio(_d);
> struct virtio_driver *drv = drv_to_virtio(dev->dev.driver);
> @@ -292,7 +292,6 @@ static int virtio_dev_remove(struct device *_d)
>
> /* Acknowledge the device's existence again. */
> virtio_add_status(dev, VIRTIO_CONFIG_S_ACKNOWLEDGE);
> - return 0;
> }
>
> static struct bus_type virtio_bus = {
> diff --git a/drivers/vme/vme.c b/drivers/vme/vme.c
> index 1b15afea28ee..8dba20186be3 100644
> --- a/drivers/vme/vme.c
> +++ b/drivers/vme/vme.c
> @@ -1990,7 +1990,7 @@ static int vme_bus_probe(struct device *dev)
> return -ENODEV;
> }
>
> -static int vme_bus_remove(struct device *dev)
> +static void vme_bus_remove(struct device *dev)
> {
> struct vme_driver *driver;
> struct vme_dev *vdev = dev_to_vme_dev(dev);
> @@ -1998,8 +1998,6 @@ static int vme_bus_remove(struct device *dev)
> driver = dev->platform_data;
> if (driver->remove)
> driver->remove(vdev);
> -
> - return 0;
> }
>
> struct bus_type vme_bus_type = {
> diff --git a/drivers/xen/xenbus/xenbus.h
> b/drivers/xen/xenbus/xenbus.h
> index 2a93b7c9c159..2754bdfadcb8 100644
> --- a/drivers/xen/xenbus/xenbus.h
> +++ b/drivers/xen/xenbus/xenbus.h
> @@ -106,7 +106,7 @@ void xs_request_exit(struct xb_req_data *req);
>
> int xenbus_match(struct device *_dev, struct device_driver *_drv);
> int xenbus_dev_probe(struct device *_dev);
> -int xenbus_dev_remove(struct device *_dev);
> +void xenbus_dev_remove(struct device *_dev);
> int xenbus_register_driver_common(struct xenbus_driver *drv,
> struct xen_bus_type *bus,
> struct module *owner,
> diff --git a/drivers/xen/xenbus/xenbus_probe.c
> b/drivers/xen/xenbus/xenbus_probe.c
> index 97f0d234482d..f4f52d574df9 100644
> --- a/drivers/xen/xenbus/xenbus_probe.c
> +++ b/drivers/xen/xenbus/xenbus_probe.c
> @@ -326,7 +326,7 @@ int xenbus_dev_probe(struct device *_dev)
> }
> EXPORT_SYMBOL_GPL(xenbus_dev_probe);
>
> -int xenbus_dev_remove(struct device *_dev)
> +void xenbus_dev_remove(struct device *_dev)
> {
> struct xenbus_device *dev = to_xenbus_device(_dev);
> struct xenbus_driver *drv = to_xenbus_driver(_dev->driver);
> @@ -356,8 +356,6 @@ int xenbus_dev_remove(struct device *_dev)
> if (!drv->allow_rebind ||
> xenbus_read_driver_state(dev->nodename) ==
> XenbusStateClosing)
> xenbus_switch_state(dev, XenbusStateClosed);
> -
> - return 0;
> }
> EXPORT_SYMBOL_GPL(xenbus_dev_remove);
>
> diff --git a/include/linux/device/bus.h b/include/linux/device/bus.h
> index 1ea5e1d1545b..062777a45a74 100644
> --- a/include/linux/device/bus.h
> +++ b/include/linux/device/bus.h
> @@ -91,7 +91,7 @@ struct bus_type {
> int (*uevent)(struct device *dev, struct kobj_uevent_env
> *env);
> int (*probe)(struct device *dev);
> void (*sync_state)(struct device *dev);
> - int (*remove)(struct device *dev);
> + void (*remove)(struct device *dev);
> void (*shutdown)(struct device *dev);
>
> int (*online)(struct device *dev);
> diff --git a/sound/aoa/soundbus/core.c b/sound/aoa/soundbus/core.c
> index 002fb5bf220b..c9579d97fbab 100644
> --- a/sound/aoa/soundbus/core.c
> +++ b/sound/aoa/soundbus/core.c
> @@ -104,7 +104,7 @@ static int soundbus_uevent(struct device *dev,
> struct kobj_uevent_env *env)
> return retval;
> }
>
> -static int soundbus_device_remove(struct device *dev)
> +static void soundbus_device_remove(struct device *dev)
> {
> struct soundbus_dev * soundbus_dev = to_soundbus_device(dev);
> struct soundbus_driver * drv = to_soundbus_driver(dev-
> >driver);
> @@ -112,8 +112,6 @@ static int soundbus_device_remove(struct device
> *dev)
> if (dev->driver && drv->remove)
> drv->remove(soundbus_dev);
> soundbus_dev_put(soundbus_dev);
> -
> - return 0;
> }
>
> static void soundbus_device_shutdown(struct device *dev)
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