USB: serial: make remove callback return void
Uwe Kleine-König authored
All usb_serial drivers return 0 in their remove callbacks and driver
core ignores the value returned by usb_serial_device_remove(). So change
the remove callback to return void and return 0 unconditionally in
usb_serial_device_remove().
Signed-off-by: default avatarUwe Kleine-König <uwe@kleine-koenig.org>
Link: https://lore.kernel.org/r/20210208143149.963644-2-uwe@kleine-koenig.org

Signed-off-by: default avatarJohan Hovold <johan@kernel.org>
c5d1448f