diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/serial/f81232.c | 30 |
1 files changed, 19 insertions, 11 deletions
diff --git a/drivers/usb/serial/f81232.c b/drivers/usb/serial/f81232.c index c00ced1ed281..fd4b7cc29c8a 100644 --- a/drivers/usb/serial/f81232.c +++ b/drivers/usb/serial/f81232.c @@ -600,24 +600,32 @@ static int f81232_carrier_raised(struct usb_serial_port *port) return 0; } +static int f81232_get_serial_info(struct usb_serial_port *port, + unsigned long arg) +{ + struct serial_struct ser; + + memset(&ser, 0, sizeof(ser)); + + ser.type = PORT_16550A; + ser.line = port->minor; + ser.port = port->port_number; + ser.baud_base = F81232_MAX_BAUDRATE; + + if (copy_to_user((void __user *)arg, &ser, sizeof(ser))) + return -EFAULT; + + return 0; +} + static int f81232_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg) { - struct serial_struct ser; struct usb_serial_port *port = tty->driver_data; switch (cmd) { case TIOCGSERIAL: - memset(&ser, 0, sizeof ser); - ser.type = PORT_16654; - ser.line = port->minor; - ser.port = port->port_number; - ser.baud_base = 460800; - - if (copy_to_user((void __user *)arg, &ser, sizeof ser)) - return -EFAULT; - - return 0; + return f81232_get_serial_info(port, arg); default: break; } |