1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/staging/serqt_usb2/serqt_usb2.c b/drivers/staging/serqt_usb2/serqt_usb2.c
index 90b29b564631..4e5db192e2d8 100644
--- a/drivers/staging/serqt_usb2/serqt_usb2.c
+++ b/drivers/staging/serqt_usb2/serqt_usb2.c
@@ -1041,17 +1041,19 @@ static void qt_block_until_empty(struct tty_struct *tty,
         }
 }
 
-static void qt_close(struct tty_struct *tty, struct usb_serial_port *port,
-                     struct file *filp)
+static void qt_close( struct usb_serial_port *port)
 {
         struct usb_serial *serial = port->serial;
         struct quatech_port *qt_port;
         struct quatech_port *port0;
+        struct tty_struct *tty;
         int status;
         unsigned int index;
         status = 0;
 
         dbg("%s - port %d\n", __func__, port->number);
+
+        tty = tty_port_tty_get(&port->port);
         index = tty->index - serial->minor;
 
         qt_port = qt_get_port_private(port);