- mutex_lock(&serial->disc_mutex);
- if (serial->disconnected)
- retval = -ENODEV;
- else
- retval = usb_autopm_get_interface(serial->interface);
- if (retval)
- goto bailout_module_put;
-
- /* only call the device specific open if this
- * is the first time the port is opened */
- retval = serial->type->open(tty, port);
- if (retval)
- goto bailout_interface_put;
- mutex_unlock(&serial->disc_mutex);
- set_bit(ASYNCB_INITIALIZED, &port->port.flags);
- }
- mutex_unlock(&port->mutex);
- /* Now do the correct tty layer semantics */
- retval = tty_port_block_til_ready(&port->port, tty, filp);
- if (retval == 0) {
- if (!first)
- usb_serial_put(serial);
- return 0;
- }
- mutex_lock(&port->mutex);
- if (first == 0)
- goto bailout_mutex_unlock;
- /* Undo the initial port actions */
- mutex_lock(&serial->disc_mutex);
-bailout_interface_put:
- usb_autopm_put_interface(serial->interface);
-bailout_module_put:
- mutex_unlock(&serial->disc_mutex);
+ /* Final install (we use the default method) */
+ tty_driver_kref_get(driver);
+ tty->count++;
+ driver->ttys[idx] = tty;
+ return retval;
+
+ error_get_interface:
+ error_init_termios: