mirror of
https://github.com/torvalds/linux.git
synced 2024-11-06 20:21:57 +00:00
USB: pl2303: 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:
parent
aff5b323b3
commit
5ddbb26b8b
@ -531,7 +531,6 @@ static int pl2303_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 pl2303_private *priv = usb_get_serial_port_data(port);
|
||||
unsigned long flags;
|
||||
u8 control;
|
||||
@ -549,17 +548,11 @@ static int pl2303_tiocmset(struct tty_struct *tty,
|
||||
control = priv->line_control;
|
||||
spin_unlock_irqrestore(&priv->lock, flags);
|
||||
|
||||
mutex_lock(&serial->disc_mutex);
|
||||
if (!serial->disconnected) {
|
||||
ret = pl2303_set_control_lines(port, control);
|
||||
if (ret)
|
||||
ret = usb_translate_errors(ret);
|
||||
} else {
|
||||
ret = -ENODEV;
|
||||
}
|
||||
mutex_unlock(&serial->disc_mutex);
|
||||
ret = pl2303_set_control_lines(port, control);
|
||||
if (ret)
|
||||
return usb_translate_errors(ret);
|
||||
|
||||
return ret;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int pl2303_tiocmget(struct tty_struct *tty)
|
||||
|
Loading…
Reference in New Issue
Block a user