Am Montag, 7. Dezember 2009 18:58:00 schrieb Alan Cox: > > + if (acm->port.count) { > > + tty = tty_port_tty_get(&acm->port); > > + if (tty) { > > + tty_hangup(tty); > > + tty_kref_put(tty); > > + } > > What locking do you have against a parallel open, hangup or close event on > another CPU ? Alan S., this touches the discussion we recently had on reset_resume() for devices that require remote wakeup. The need for locking here depends on it. Are you planning to submit any patches in that regard in this merge window? Regards Oliver -- 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