USB: opticon: remove disconnect test from tiocmset

Remove unnecessary disconnect test in tiocmset. No ioctls will be made
after disconnect returns.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johan Hovold 2013-03-21 12:37:43 +01:00 committed by Greg Kroah-Hartman
parent 94c51dca2c
commit 94bcef6245

View file

@ -309,7 +309,6 @@ static int opticon_tiocmset(struct tty_struct *tty,
unsigned int set, unsigned int clear)
{
struct usb_serial_port *port = tty->driver_data;
struct usb_serial *serial = port->serial;
struct opticon_private *priv = usb_get_serial_port_data(port);
unsigned long flags;
bool rts;
@ -330,18 +329,11 @@ static int opticon_tiocmset(struct tty_struct *tty,
if (!changed)
return 0;
/* Send the new RTS state to the connected device */
mutex_lock(&serial->disc_mutex);
if (!serial->disconnected) {
ret = send_control_msg(port, CONTROL_RTS, !rts);
if (ret)
ret = usb_translate_errors(ret);
} else {
ret = -ENODEV;
}
mutex_unlock(&serial->disc_mutex);
ret = send_control_msg(port, CONTROL_RTS, !rts);
if (ret)
return usb_translate_errors(ret);
return ret;
return 0;
}
static int get_serial_info(struct usb_serial_port *port,