1 files changed, 11 insertions, 19 deletions

diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c
index 769d910ae0a5..1b4054fe52a5 100644
--- a/drivers/usb/serial/kl5kusb105.c
+++ b/drivers/usb/serial/kl5kusb105.c
@@ -341,28 +341,20 @@ static void klsi_105_close(struct usb_serial_port *port)
 {
         int rc;
 
-        mutex_lock(&port->serial->disc_mutex);
-        if (!port->serial->disconnected) {
-                /* send READ_OFF */
-                rc = usb_control_msg(port->serial->dev,
-                                     usb_sndctrlpipe(port->serial->dev, 0),
-                                     KL5KUSB105A_SIO_CONFIGURE,
-                                     USB_TYPE_VENDOR | USB_DIR_OUT,
-                                     KL5KUSB105A_SIO_CONFIGURE_READ_OFF,
-                                     0, /* index */
-                                     NULL, 0,
-                                     KLSI_TIMEOUT);
-                if (rc < 0)
-                        dev_err(&port->dev,
-                                "Disabling read failed (error = %d)\n", rc);
-        }
-        mutex_unlock(&port->serial->disc_mutex);
+        /* send READ_OFF */
+        rc = usb_control_msg(port->serial->dev,
+                             usb_sndctrlpipe(port->serial->dev, 0),
+                             KL5KUSB105A_SIO_CONFIGURE,
+                             USB_TYPE_VENDOR | USB_DIR_OUT,
+                             KL5KUSB105A_SIO_CONFIGURE_READ_OFF,
+                             0, /* index */
+                             NULL, 0,
+                             KLSI_TIMEOUT);
+        if (rc < 0)
+                dev_err(&port->dev, "failed to disable read: %d\n", rc);
 
         /* shutdown our bulk reads and writes */
         usb_serial_generic_close(port);
-
-        /* wgg - do I need this? I think so. */
-        usb_kill_urb(port->interrupt_in_urb);
 }
 
 /* We need to write a complete 64-byte data block and encode the