tty: remove filp from the USB tty ioctls

We don't use it so we can trim it from here as we try and stamp the file
object dependencies out of the serial code.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/staging/quatech_usb2/quatech_usb2.c b/drivers/staging/quatech_usb2/quatech_usb2.c
index 3734448d1b8..36b18e30271 100644
--- a/drivers/staging/quatech_usb2/quatech_usb2.c
+++ b/drivers/staging/quatech_usb2/quatech_usb2.c
@@ -852,7 +852,7 @@ static int qt2_chars_in_buffer(struct tty_struct *tty)
  * TIOCMGET and TIOCMSET are filtered off to their own methods before they get
  * here, so we don't have to handle them.
  */
-static int qt2_ioctl(struct tty_struct *tty, struct file *file,
+static int qt2_ioctl(struct tty_struct *tty,
                      unsigned int cmd, unsigned long arg)
 {
         struct usb_serial_port *port = tty->driver_data;