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/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c
index b72912027ae8..b38d77b389d4 100644
--- a/drivers/usb/serial/usb_wwan.c
+++ b/drivers/usb/serial/usb_wwan.c
@@ -178,7 +178,7 @@ static int set_serial_info(struct usb_serial_port *port,
         return retval;
 }
 
-int usb_wwan_ioctl(struct tty_struct *tty, struct file *file,
+int usb_wwan_ioctl(struct tty_struct *tty,
                    unsigned int cmd, unsigned long arg)
 {
         struct usb_serial_port *port = tty->driver_data;