1 files changed, 1 insertions, 7 deletions

diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index af06f2f5f38b..d4426c038c32 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -861,19 +861,13 @@ static int sierra_open(struct tty_struct *tty, struct usb_serial_port *port)
 
 static void sierra_dtr_rts(struct usb_serial_port *port, int on)
 {
-        struct usb_serial *serial = port->serial;
         struct sierra_port_private *portdata;
 
         portdata = usb_get_serial_port_data(port);
         portdata->rts_state = on;
         portdata->dtr_state = on;
 
-        if (serial->dev) {
-                mutex_lock(&serial->disc_mutex);
-                if (!serial->disconnected)
-                        sierra_send_setup(port);
-                mutex_unlock(&serial->disc_mutex);
-        }
+        sierra_send_setup(port);
 }
 
 static int sierra_startup(struct usb_serial *serial)