diff options
Diffstat (limited to 'drivers/usb/serial/bus.c')
| -rw-r--r-- | drivers/usb/serial/bus.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/usb/serial/bus.c b/drivers/usb/serial/bus.c index 9374bd2aba20..6f91eb9ae81a 100644 --- a/drivers/usb/serial/bus.c +++ b/drivers/usb/serial/bus.c @@ -51,6 +51,7 @@ static int usb_serial_device_probe(struct device *dev) { struct usb_serial_driver *driver; struct usb_serial_port *port; + struct device *tty_dev; int retval = 0; int minor; @@ -75,12 +76,20 @@ static int usb_serial_device_probe(struct device *dev) retval = device_create_file(dev, &dev_attr_port_number); if (retval) { if (driver->port_remove) - retval = driver->port_remove(port); + driver->port_remove(port); goto exit_with_autopm; } minor = port->minor; - tty_register_device(usb_serial_tty_driver, minor, dev); + tty_dev = tty_register_device(usb_serial_tty_driver, minor, dev); + if (IS_ERR(tty_dev)) { + retval = PTR_ERR(tty_dev); + device_remove_file(dev, &dev_attr_port_number); + if (driver->port_remove) + driver->port_remove(port); + goto exit_with_autopm; + } + dev_info(&port->serial->dev->dev, "%s converter now attached to ttyUSB%d\n", driver->description, minor); |