Remove unnecessary disconnect test in tiocmset. No ioctls will be made
after disconnect returns.
Signed-off-by: Johan Hovold <jhov...@gmail.com>
---
drivers/usb/serial/pl2303.c | 15 ++++-----------
1 file changed, 4 insertions(+), 11 deletions(-)
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 849d6d3..63e3a30 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -534,7 +534,6 @@ 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;
@@ -552,17 +551,11 @@ 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)
--
1.8.1.1
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