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, 2 insertions, 3 deletions

diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c
index 2830766f5b39..8c894a7d5dcf 100644
--- a/drivers/usb/serial/ch341.c
+++ b/drivers/usb/serial/ch341.c
@@ -300,8 +300,7 @@ static void ch341_close(struct usb_serial_port *port)
 
 
 /* open this device, set default parameters */
-static int ch341_open(struct tty_struct *tty, struct usb_serial_port *port,
-                                struct file *filp)
+static int ch341_open(struct tty_struct *tty, struct usb_serial_port *port)
 {
         struct usb_serial *serial = port->serial;
         struct ch341_private *priv = usb_get_serial_port_data(serial->port[0]);
@@ -333,7 +332,7 @@ static int ch341_open(struct tty_struct *tty, struct usb_serial_port *port,
                 return -EPROTO;
         }
 
-        r = usb_serial_generic_open(tty, port, filp);
+        r = usb_serial_generic_open(tty, port);
 
 out:    return r;
 }