* Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx> [231110 15:30]: > Returning an error code from .remove() makes the driver core emit the > little helpful error message: > > remove callback returned a non-zero value. This will be ignored. > > and then remove the device anyhow. So all resources that were not freed > are leaked in this case. Skipping serial8250_unregister_port() has the > potential to keep enough of the UART around to trigger a use-after-free. > > So replace the error return (and with it the little helpful error > message) by a more useful error message and continue to cleanup. Looks good to me thanks: Reviewed-by: Tony Lindgren <tony@xxxxxxxxxxx>