> The log shows no call to usb_serial_generic_write_room() > Do you consider this a bug in the tty layer? Actually this all makes sense because of where it was hanging. A reply of 0 to the tty->ops->write will cause it to either return (O_NONBLOCK) or sleep in the n_tty write code waiting for a write_wait wakeup (tty_wakeup(tty)) So the fix does indeed look correct. -- 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
