On Fri, 30 Jul 2021, Uwe Kleine-König wrote:
The driver core only calls a remove callback when the device was successfully bound (aka probed) before. So dev->driver is never NULL and the respective check can just be dropped. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx>
Acked-by: Finn Thain <fthain@xxxxxxxxxxxxxx> BTW, aside from nubus, zorro and superhyway you can find the same pattern in many other busses. You may want to patch the following methods too. acpi_device_remove apr_device_remove ccwgroup_remove gio_device_remove hid_device_remove ibmebus_bus_device_remove macio_device_remove memstick_device_remove ntb_remove pci_device_remove pnp_device_remove ps3_system_bus_remove rio_device_remove slim_device_remove soundbus_device_remove ssb_device_remove tifm_device_remove vdpa_dev_remove vmbus_remove
--- drivers/nubus/bus.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/nubus/bus.c b/drivers/nubus/bus.c index d9d04f27f89b..17fad660032c 100644 --- a/drivers/nubus/bus.c +++ b/drivers/nubus/bus.c @@ -33,7 +33,7 @@ static void nubus_device_remove(struct device *dev) { struct nubus_driver *ndrv = to_nubus_driver(dev->driver); - if (dev->driver && ndrv->remove) + if (ndrv->remove) ndrv->remove(to_nubus_board(dev)); }