tty: USB does not need the filp argument in the drivers

And indeed none of them use it. Clean this up as it will make moving to a
standard open method rather easier.

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

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/usb/serial/ipw.c b/drivers/usb/serial/ipw.c
index 29ad038b9c8d..727d323f092a 100644
--- a/drivers/usb/serial/ipw.c
+++ b/drivers/usb/serial/ipw.c
@@ -193,8 +193,7 @@ static void ipw_read_bulk_callback(struct urb *urb)
         return;
 }
 
-static int ipw_open(struct tty_struct *tty,
-                        struct usb_serial_port *port, struct file *filp)
+static int ipw_open(struct tty_struct *tty, struct usb_serial_port *port)
 {
         struct usb_device *dev = port->serial->dev;
         u8 buf_flow_static[16] = IPW_BYTES_FLOWINIT;