On Tue, Jul 06 2021, Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx> 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. Yay! > > Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx> > --- > Hello, > > this patch depends on "PCI: endpoint: Make struct pci_epf_driver::remove > return void" that is not yet applied, see > https://lore.kernel.org/r/20210223090757.57604-1-u.kleine-koenig@xxxxxxxxxxxxxx. > > I tested it using allmodconfig on amd64 and arm, but I wouldn't be > surprised if I still missed to convert a driver. So it would be great to > get this into next early after the merge window closes. I'm afraid you missed the s390-specific busses in drivers/s390/cio/ (css/ccw/ccwgroup).