We should not call kill_traffic (and usb_kill_urb) once disconnect returns. Any pending urbs are killed at disconnect and new submissions are prevented by usb_unbind_interface (and usb_disable_interface). Signed-off-by: Johan Hovold <jhovold@xxxxxxxxx> --- drivers/usb/serial/usb-serial.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c index b9f460b..2c32f84 100644 --- a/drivers/usb/serial/usb-serial.c +++ b/drivers/usb/serial/usb-serial.c @@ -576,13 +576,6 @@ static void port_release(struct device *dev) dev_dbg(dev, "%s\n", __func__); - /* - * Stop all the traffic before cancelling the work, so that - * nobody will restart it by calling usb_serial_port_softint. - */ - kill_traffic(port); - cancel_work_sync(&port->work); - usb_free_urb(port->interrupt_in_urb); usb_free_urb(port->interrupt_out_urb); for (i = 0; i < ARRAY_SIZE(port->read_urbs); ++i) { -- 1.8.1.5 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html