1 files changed, 3 insertions, 4 deletions

diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c
index 14ac87ee9251..6ae1c0688b5e 100644
--- a/drivers/usb/serial/ch341.c
+++ b/drivers/usb/serial/ch341.c
@@ -432,7 +432,7 @@ out:
         kfree(break_reg);
 }
 
-static int ch341_tiocmset(struct tty_struct *tty, struct file *file,
+static int ch341_tiocmset(struct tty_struct *tty,
                           unsigned int set, unsigned int clear)
 {
         struct usb_serial_port *port = tty->driver_data;
@@ -553,8 +553,7 @@ static int wait_modem_info(struct usb_serial_port *port, unsigned int arg)
         return 0;
 }
 
-/*static int ch341_ioctl(struct usb_serial_port *port, struct file *file,*/
-static int ch341_ioctl(struct tty_struct *tty, struct file *file,
+static int ch341_ioctl(struct tty_struct *tty,
                         unsigned int cmd, unsigned long arg)
 {
         struct usb_serial_port *port = tty->driver_data;
@@ -573,7 +572,7 @@ static int ch341_ioctl(struct tty_struct *tty, struct file *file,
         return -ENOIOCTLCMD;
 }
 
-static int ch341_tiocmget(struct tty_struct *tty, struct file *file)
+static int ch341_tiocmget(struct tty_struct *tty)
 {
         struct usb_serial_port *port = tty->driver_data;
         struct ch341_private *priv = usb_get_serial_port_data(port);