28 files changed, 50 insertions, 51 deletions

diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c
index 35b610aa3f92..2f837e983339 100644
--- a/drivers/usb/serial/ark3116.c
+++ b/drivers/usb/serial/ark3116.c
@@ -511,7 +511,7 @@ static int ark3116_tiocmget(struct tty_struct *tty)
                 (ctrl   & UART_MCR_OUT2 ? TIOCM_OUT2 : 0);
 }
 
-static int ark3116_tiocmset(struct tty_struct *tty, struct file *file,
+static int ark3116_tiocmset(struct tty_struct *tty,
                         unsigned set, unsigned clr)
 {
         struct usb_serial_port *port = tty->driver_data;
diff --git a/drivers/usb/serial/belkin_sa.c b/drivers/usb/serial/belkin_sa.c
index 48fb3bad3cd6..d6921fa1403c 100644
--- a/drivers/usb/serial/belkin_sa.c
+++ b/drivers/usb/serial/belkin_sa.c
@@ -101,7 +101,7 @@ static void belkin_sa_set_termios(struct tty_struct *tty,
                         struct usb_serial_port *port, struct ktermios * old);
 static void belkin_sa_break_ctl(struct tty_struct *tty, int break_state);
 static int  belkin_sa_tiocmget(struct tty_struct *tty);
-static int  belkin_sa_tiocmset(struct tty_struct *tty, struct file *file,
+static int  belkin_sa_tiocmset(struct tty_struct *tty,
                                         unsigned int set, unsigned int clear);
 
 
@@ -513,7 +513,7 @@ static int belkin_sa_tiocmget(struct tty_struct *tty)
         return control_state;
 }
 
-static int belkin_sa_tiocmset(struct tty_struct *tty, struct file *file,
+static int belkin_sa_tiocmset(struct tty_struct *tty,
                                unsigned int set, unsigned int clear)
 {
         struct usb_serial_port *port = tty->driver_data;
diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c
index aa0962b72f4c..5cbef313281e 100644
--- a/drivers/usb/serial/ch341.c
+++ b/drivers/usb/serial/ch341.c
@@ -431,7 +431,7 @@ 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;
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index b3873815035c..4df3e0cecbae 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -42,9 +42,8 @@ static void cp210x_get_termios_port(struct usb_serial_port *port,
 static void cp210x_set_termios(struct tty_struct *, struct usb_serial_port *,
                                                         struct ktermios*);
 static int cp210x_tiocmget(struct tty_struct *);
-static int cp210x_tiocmset(struct tty_struct *, struct file *,
-                unsigned int, unsigned int);
-static int cp210x_tiocmset_port(struct usb_serial_port *port, struct file *,
+static int cp210x_tiocmset(struct tty_struct *, unsigned int, unsigned int);
+static int cp210x_tiocmset_port(struct usb_serial_port *port,
                 unsigned int, unsigned int);
 static void cp210x_break_ctl(struct tty_struct *, int);
 static int cp210x_startup(struct usb_serial *);
@@ -698,14 +697,14 @@ static void cp210x_set_termios(struct tty_struct *tty,
 
 }
 
-static int cp210x_tiocmset (struct tty_struct *tty, struct file *file,
+static int cp210x_tiocmset (struct tty_struct *tty,
                 unsigned int set, unsigned int clear)
 {
         struct usb_serial_port *port = tty->driver_data;
-        return cp210x_tiocmset_port(port, file, set, clear);
+        return cp210x_tiocmset_port(port, set, clear);
 }
 
-static int cp210x_tiocmset_port(struct usb_serial_port *port, struct file *file,
+static int cp210x_tiocmset_port(struct usb_serial_port *port,
                 unsigned int set, unsigned int clear)
 {
         unsigned int control = 0;
@@ -737,9 +736,9 @@ static int cp210x_tiocmset_port(struct usb_serial_port *port, struct file *file,
 static void cp210x_dtr_rts(struct usb_serial_port *p, int on)
 {
         if (on)
-                cp210x_tiocmset_port(p, NULL,  TIOCM_DTR|TIOCM_RTS, 0);
+                cp210x_tiocmset_port(p, TIOCM_DTR|TIOCM_RTS, 0);
         else
-                cp210x_tiocmset_port(p, NULL,  0, TIOCM_DTR|TIOCM_RTS);
+                cp210x_tiocmset_port(p, 0, TIOCM_DTR|TIOCM_RTS);
 }
 
 static int cp210x_tiocmget (struct tty_struct *tty)
diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index 9c96cff691fd..2beb5a66180d 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -174,7 +174,7 @@ static int  cypress_ioctl(struct tty_struct *tty, struct file *file,
 static void cypress_set_termios(struct tty_struct *tty,
                         struct usb_serial_port *port, struct ktermios *old);
 static int  cypress_tiocmget(struct tty_struct *tty);
-static int  cypress_tiocmset(struct tty_struct *tty, struct file *file,
+static int  cypress_tiocmset(struct tty_struct *tty,
                         unsigned int set, unsigned int clear);
 static int  cypress_chars_in_buffer(struct tty_struct *tty);
 static void cypress_throttle(struct tty_struct *tty);
@@ -892,7 +892,7 @@ static int cypress_tiocmget(struct tty_struct *tty)
 }
 
 
-static int cypress_tiocmset(struct tty_struct *tty, struct file *file,
+static int cypress_tiocmset(struct tty_struct *tty,
                                unsigned int set, unsigned int clear)
 {
         struct usb_serial_port *port = tty->driver_data;
diff --git a/drivers/usb/serial/digi_acceleport.c b/drivers/usb/serial/digi_acceleport.c
index 08da46cb5825..86fbba6336c9 100644
--- a/drivers/usb/serial/digi_acceleport.c
+++ b/drivers/usb/serial/digi_acceleport.c
@@ -446,10 +446,10 @@ static void digi_set_termios(struct tty_struct *tty,
                 struct usb_serial_port *port, struct ktermios *old_termios);
 static void digi_break_ctl(struct tty_struct *tty, int break_state);
 static int digi_tiocmget(struct tty_struct *tty);
-static int digi_tiocmset(struct tty_struct *tty, struct file *file,
-        unsigned int set, unsigned int clear);
+static int digi_tiocmset(struct tty_struct *tty, unsigned int set,
+                unsigned int clear);
 static int digi_write(struct tty_struct *tty, struct usb_serial_port *port,
-        const unsigned char *buf, int count);
+                const unsigned char *buf, int count);
 static void digi_write_bulk_callback(struct urb *urb);
 static int digi_write_room(struct tty_struct *tty);
 static int digi_chars_in_buffer(struct tty_struct *tty);
@@ -1134,8 +1134,8 @@ static int digi_tiocmget(struct tty_struct *tty)
 }
 
 
-static int digi_tiocmset(struct tty_struct *tty, struct file *file,
-        unsigned int set, unsigned int clear)
+static int digi_tiocmset(struct tty_struct *tty,
+                                        unsigned int set, unsigned int clear)
 {
         struct usb_serial_port *port = tty->driver_data;
         struct digi_port *priv = usb_get_serial_port_data(port);
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 281d18141051..f521ab1eb60f 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -857,7 +857,7 @@ static int ftdi_prepare_write_buffer(struct usb_serial_port *port,
 static void ftdi_set_termios(struct tty_struct *tty,
                         struct usb_serial_port *port, struct ktermios *old);
 static int  ftdi_tiocmget(struct tty_struct *tty);
-static int  ftdi_tiocmset(struct tty_struct *tty, struct file *file,
+static int  ftdi_tiocmset(struct tty_struct *tty,
                         unsigned int set, unsigned int clear);
 static int  ftdi_ioctl(struct tty_struct *tty, struct file *file,
                         unsigned int cmd, unsigned long arg);
@@ -2202,7 +2202,7 @@ out:
         return ret;
 }
 
-static int ftdi_tiocmset(struct tty_struct *tty, struct file *file,
+static int ftdi_tiocmset(struct tty_struct *tty,
                         unsigned int set, unsigned int clear)
 {
         struct usb_serial_port *port = tty->driver_data;
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index e8fe4dcf72f0..0b8846e27a79 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -220,7 +220,7 @@ static int  edge_ioctl(struct tty_struct *tty, struct file *file,
                                         unsigned int cmd, unsigned long arg);
 static void edge_break(struct tty_struct *tty, int break_state);
 static int  edge_tiocmget(struct tty_struct *tty);
-static int  edge_tiocmset(struct tty_struct *tty, struct file *file,
+static int  edge_tiocmset(struct tty_struct *tty,
                                         unsigned int set, unsigned int clear);
 static int  edge_get_icount(struct tty_struct *tty,
                                 struct serial_icounter_struct *icount);
@@ -1568,7 +1568,7 @@ static int get_lsr_info(struct edgeport_port *edge_port,
         return 0;
 }
 
-static int edge_tiocmset(struct tty_struct *tty, struct file *file,
+static int edge_tiocmset(struct tty_struct *tty,
                                         unsigned int set, unsigned int clear)
 {
         struct usb_serial_port *port = tty->driver_data;
diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index 7cb9f5cb91f3..88120523710b 100644
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -2444,7 +2444,7 @@ static void edge_set_termios(struct tty_struct *tty,
         change_port_settings(tty, edge_port, old_termios);
 }
 
-static int edge_tiocmset(struct tty_struct *tty, struct file *file,
+static int edge_tiocmset(struct tty_struct *tty,
                                         unsigned int set, unsigned int clear)
 {
         struct usb_serial_port *port = tty->driver_data;
diff --git a/drivers/usb/serial/iuu_phoenix.c b/drivers/usb/serial/iuu_phoenix.c
index 1d96142f135a..6aca631a407a 100644
--- a/drivers/usb/serial/iuu_phoenix.c
+++ b/drivers/usb/serial/iuu_phoenix.c
@@ -150,7 +150,7 @@ static void iuu_release(struct usb_serial *serial)
         }
 }
 
-static int iuu_tiocmset(struct tty_struct *tty, struct file *file,
+static int iuu_tiocmset(struct tty_struct *tty,
                         unsigned int set, unsigned int clear)
 {
         struct usb_serial_port *port = tty->driver_data;
diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c
index 1beebbb7a20a..c6e968f24e04 100644
--- a/drivers/usb/serial/keyspan.c
+++ b/drivers/usb/serial/keyspan.c
@@ -317,7 +317,7 @@ static int keyspan_tiocmget(struct tty_struct *tty)
         return value;
 }
 
-static int keyspan_tiocmset(struct tty_struct *tty, struct file *file,
+static int keyspan_tiocmset(struct tty_struct *tty,
                             unsigned int set, unsigned int clear)
 {
         struct usb_serial_port *port = tty->driver_data;
diff --git a/drivers/usb/serial/keyspan.h b/drivers/usb/serial/keyspan.h
index 5e5fc71e68df..13fa1d1cc900 100644
--- a/drivers/usb/serial/keyspan.h
+++ b/drivers/usb/serial/keyspan.h
@@ -60,7 +60,7 @@ static void keyspan_break_ctl		(struct tty_struct *tty,
                                          int break_state);
 static int  keyspan_tiocmget            (struct tty_struct *tty);
 static int  keyspan_tiocmset            (struct tty_struct *tty,
-                                         struct file *file, unsigned int set,
+                                         unsigned int set,
                                          unsigned int clear);
 static int  keyspan_fake_startup        (struct usb_serial *serial);
 
diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c
index 49ad2baf77cd..207caabdc4ff 100644
--- a/drivers/usb/serial/keyspan_pda.c
+++ b/drivers/usb/serial/keyspan_pda.c
@@ -478,7 +478,7 @@ static int keyspan_pda_tiocmget(struct tty_struct *tty)
         return value;
 }
 
-static int keyspan_pda_tiocmset(struct tty_struct *tty, struct file *file,
+static int keyspan_pda_tiocmset(struct tty_struct *tty,
                                 unsigned int set, unsigned int clear)
 {
         struct usb_serial_port *port = tty->driver_data;
diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c
index a570f5201c73..19373cb7c5bf 100644
--- a/drivers/usb/serial/kl5kusb105.c
+++ b/drivers/usb/serial/kl5kusb105.c
@@ -69,7 +69,7 @@ static void klsi_105_close(struct usb_serial_port *port);
 static void klsi_105_set_termios(struct tty_struct *tty,
                         struct usb_serial_port *port, struct ktermios *old);
 static int  klsi_105_tiocmget(struct tty_struct *tty);
-static int  klsi_105_tiocmset(struct tty_struct *tty, struct file *file,
+static int  klsi_105_tiocmset(struct tty_struct *tty,
                         unsigned int set, unsigned int clear);
 static void klsi_105_process_read_urb(struct urb *urb);
 static int klsi_105_prepare_write_buffer(struct usb_serial_port *port,
@@ -661,7 +661,7 @@ static int klsi_105_tiocmget(struct tty_struct *tty)
         return (int)line_state;
 }
 
-static int klsi_105_tiocmset(struct tty_struct *tty, struct file *file,
+static int klsi_105_tiocmset(struct tty_struct *tty,
                              unsigned int set, unsigned int clear)
 {
         int retval = -EINVAL;
diff --git a/drivers/usb/serial/kobil_sct.c b/drivers/usb/serial/kobil_sct.c
index 81d07fb299b8..22cd0c08f46f 100644
--- a/drivers/usb/serial/kobil_sct.c
+++ b/drivers/usb/serial/kobil_sct.c
@@ -78,7 +78,7 @@ static int  kobil_write_room(struct tty_struct *tty);
 static int  kobil_ioctl(struct tty_struct *tty, struct file *file,
                         unsigned int cmd, unsigned long arg);
 static int  kobil_tiocmget(struct tty_struct *tty);
-static int  kobil_tiocmset(struct tty_struct *tty, struct file *file,
+static int  kobil_tiocmset(struct tty_struct *tty,
                            unsigned int set, unsigned int clear);
 static void kobil_read_int_callback(struct urb *urb);
 static void kobil_write_callback(struct urb *purb);
@@ -544,7 +544,7 @@ static int kobil_tiocmget(struct tty_struct *tty)
         return result;
 }
 
-static int kobil_tiocmset(struct tty_struct *tty, struct file *file,
+static int kobil_tiocmset(struct tty_struct *tty,
                            unsigned int set, unsigned int clear)
 {
         struct usb_serial_port *port = tty->driver_data;
diff --git a/drivers/usb/serial/mct_u232.c b/drivers/usb/serial/mct_u232.c
index 27447095feae..ef49902c5a51 100644
--- a/drivers/usb/serial/mct_u232.c
+++ b/drivers/usb/serial/mct_u232.c
@@ -102,7 +102,7 @@ static void mct_u232_set_termios(struct tty_struct *tty,
                         struct usb_serial_port *port, struct ktermios *old);
 static void mct_u232_break_ctl(struct tty_struct *tty, int break_state);
 static int  mct_u232_tiocmget(struct tty_struct *tty);
-static int  mct_u232_tiocmset(struct tty_struct *tty, struct file *file,
+static int  mct_u232_tiocmset(struct tty_struct *tty,
                         unsigned int set, unsigned int clear);
 static void mct_u232_throttle(struct tty_struct *tty);
 static void mct_u232_unthrottle(struct tty_struct *tty);
@@ -778,7 +778,7 @@ static int mct_u232_tiocmget(struct tty_struct *tty)
         return control_state;
 }
 
-static int mct_u232_tiocmset(struct tty_struct *tty, struct file *file,
+static int mct_u232_tiocmset(struct tty_struct *tty,
                               unsigned int set, unsigned int clear)
 {
         struct usb_serial_port *port = tty->driver_data;
diff --git a/drivers/usb/serial/mos7720.c b/drivers/usb/serial/mos7720.c
index 5d40d4151b5a..95b1c64cac03 100644
--- a/drivers/usb/serial/mos7720.c
+++ b/drivers/usb/serial/mos7720.c
@@ -1858,7 +1858,7 @@ static int mos7720_tiocmget(struct tty_struct *tty)
         return result;
 }
 
-static int mos7720_tiocmset(struct tty_struct *tty, struct file *file,
+static int mos7720_tiocmset(struct tty_struct *tty,
                             unsigned int set, unsigned int clear)
 {
         struct usb_serial_port *port = tty->driver_data;
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index ee0dc9a0890c..9424178c6689 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -1674,7 +1674,7 @@ static int mos7840_tiocmget(struct tty_struct *tty)
         return result;
 }
 
-static int mos7840_tiocmset(struct tty_struct *tty, struct file *file,
+static int mos7840_tiocmset(struct tty_struct *tty,
                             unsigned int set, unsigned int clear)
 {
         struct usb_serial_port *port = tty->driver_data;
diff --git a/drivers/usb/serial/oti6858.c b/drivers/usb/serial/oti6858.c
index 4cd3b0ef4e61..63734cb0fb0f 100644
--- a/drivers/usb/serial/oti6858.c
+++ b/drivers/usb/serial/oti6858.c
@@ -145,7 +145,7 @@ static int oti6858_write(struct tty_struct *tty, struct usb_serial_port *port,
 static int oti6858_write_room(struct tty_struct *tty);
 static int oti6858_chars_in_buffer(struct tty_struct *tty);
 static int oti6858_tiocmget(struct tty_struct *tty);
-static int oti6858_tiocmset(struct tty_struct *tty, struct file *file,
+static int oti6858_tiocmset(struct tty_struct *tty,
                                 unsigned int set, unsigned int clear);
 static int oti6858_startup(struct usb_serial *serial);
 static void oti6858_release(struct usb_serial *serial);
@@ -624,7 +624,7 @@ static void oti6858_close(struct usb_serial_port *port)
         usb_kill_urb(port->interrupt_in_urb);
 }
 
-static int oti6858_tiocmset(struct tty_struct *tty, struct file *file,
+static int oti6858_tiocmset(struct tty_struct *tty,
                                 unsigned int set, unsigned int clear)
 {
         struct usb_serial_port *port = tty->driver_data;
diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index 6cb4f503a3f1..b797992fa54b 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -505,7 +505,7 @@ static int pl2303_open(struct tty_struct *tty, struct usb_serial_port *port)
         return 0;
 }
 
-static int pl2303_tiocmset(struct tty_struct *tty, struct file *file,
+static int pl2303_tiocmset(struct tty_struct *tty,
                            unsigned int set, unsigned int clear)
 {
         struct usb_serial_port *port = tty->driver_data;
diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index 66437f1e9e5b..79ee6c79ad54 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -408,7 +408,7 @@ static int sierra_tiocmget(struct tty_struct *tty)
         return value;
 }
 
-static int sierra_tiocmset(struct tty_struct *tty, struct file *file,
+static int sierra_tiocmset(struct tty_struct *tty,
                         unsigned int set, unsigned int clear)
 {
         struct usb_serial_port *port = tty->driver_data;
diff --git a/drivers/usb/serial/spcp8x5.c b/drivers/usb/serial/spcp8x5.c
index cac13009fc5c..dfbc543e0db8 100644
--- a/drivers/usb/serial/spcp8x5.c
+++ b/drivers/usb/serial/spcp8x5.c
@@ -595,7 +595,7 @@ static int spcp8x5_ioctl(struct tty_struct *tty, struct file *file,
         return -ENOIOCTLCMD;
 }
 
-static int spcp8x5_tiocmset(struct tty_struct *tty, struct file *file,
+static int spcp8x5_tiocmset(struct tty_struct *tty,
                             unsigned int set, unsigned int clear)
 {
         struct usb_serial_port *port = tty->driver_data;
diff --git a/drivers/usb/serial/ssu100.c b/drivers/usb/serial/ssu100.c
index b21583fa825c..abceee9d3af9 100644
--- a/drivers/usb/serial/ssu100.c
+++ b/drivers/usb/serial/ssu100.c
@@ -517,7 +517,7 @@ mget_out:
         return r;
 }
 
-static int ssu100_tiocmset(struct tty_struct *tty, struct file *file,
+static int ssu100_tiocmset(struct tty_struct *tty,
                            unsigned int set, unsigned int clear)
 {
         struct usb_serial_port *port = tty->driver_data;
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index 223e60e31735..c7fea4a2a1be 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -113,7 +113,7 @@ static int ti_get_icount(struct tty_struct *tty,
 static void ti_set_termios(struct tty_struct *tty,
                 struct usb_serial_port *port, struct ktermios *old_termios);
 static int ti_tiocmget(struct tty_struct *tty);
-static int ti_tiocmset(struct tty_struct *tty, struct file *file,
+static int ti_tiocmset(struct tty_struct *tty,
                 unsigned int set, unsigned int clear);
 static void ti_break(struct tty_struct *tty, int break_state);
 static void ti_interrupt_callback(struct urb *urb);
@@ -1033,8 +1033,8 @@ static int ti_tiocmget(struct tty_struct *tty)
 }
 
 
-static int ti_tiocmset(struct tty_struct *tty, struct file *file,
-        unsigned int set, unsigned int clear)
+static int ti_tiocmset(struct tty_struct *tty,
+                                unsigned int set, unsigned int clear)
 {
         struct usb_serial_port *port = tty->driver_data;
         struct ti_port *tport = usb_get_serial_port_data(port);
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index df105c6531a1..dab679e5b7ea 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -507,7 +507,7 @@ static int serial_tiocmget(struct tty_struct *tty)
         return -EINVAL;
 }
 
-static int serial_tiocmset(struct tty_struct *tty, struct file *file,
+static int serial_tiocmset(struct tty_struct *tty,
                             unsigned int set, unsigned int clear)
 {
         struct usb_serial_port *port = tty->driver_data;
@@ -515,7 +515,7 @@ static int serial_tiocmset(struct tty_struct *tty, struct file *file,
         dbg("%s - port %d", __func__, port->number);
 
         if (port->serial->type->tiocmset)
-                return port->serial->type->tiocmset(tty, file, set, clear);
+                return port->serial->type->tiocmset(tty, set, clear);
         return -EINVAL;
 }
 
diff --git a/drivers/usb/serial/usb-wwan.h b/drivers/usb/serial/usb-wwan.h
index 8b68fc783d5f..4d65f1c8dd93 100644
--- a/drivers/usb/serial/usb-wwan.h
+++ b/drivers/usb/serial/usb-wwan.h
@@ -16,7 +16,7 @@ extern void usb_wwan_set_termios(struct tty_struct *tty,
                                  struct usb_serial_port *port,
                                  struct ktermios *old);
 extern int usb_wwan_tiocmget(struct tty_struct *tty);
-extern int usb_wwan_tiocmset(struct tty_struct *tty, struct file *file,
+extern int usb_wwan_tiocmset(struct tty_struct *tty,
                              unsigned int set, unsigned int clear);
 extern int usb_wwan_ioctl(struct tty_struct *tty, struct file *file,
                           unsigned int cmd, unsigned long arg);
diff --git a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c
index 60f942632cb4..b72912027ae8 100644
--- a/drivers/usb/serial/usb_wwan.c
+++ b/drivers/usb/serial/usb_wwan.c
@@ -98,7 +98,7 @@ int usb_wwan_tiocmget(struct tty_struct *tty)
 }
 EXPORT_SYMBOL(usb_wwan_tiocmget);
 
-int usb_wwan_tiocmset(struct tty_struct *tty, struct file *file,
+int usb_wwan_tiocmset(struct tty_struct *tty,
                       unsigned int set, unsigned int clear)
 {
         struct usb_serial_port *port = tty->driver_data;
diff --git a/drivers/usb/serial/whiteheat.c b/drivers/usb/serial/whiteheat.c
index bf850139e0b8..6e0c397e869f 100644
--- a/drivers/usb/serial/whiteheat.c
+++ b/drivers/usb/serial/whiteheat.c
@@ -157,7 +157,7 @@ static int  whiteheat_ioctl(struct tty_struct *tty, struct file *file,
 static void whiteheat_set_termios(struct tty_struct *tty,
                         struct usb_serial_port *port, struct ktermios *old);
 static int  whiteheat_tiocmget(struct tty_struct *tty);
-static int  whiteheat_tiocmset(struct tty_struct *tty, struct file *file,
+static int  whiteheat_tiocmset(struct tty_struct *tty,
                         unsigned int set, unsigned int clear);
 static void whiteheat_break_ctl(struct tty_struct *tty, int break_state);
 static int  whiteheat_chars_in_buffer(struct tty_struct *tty);
@@ -850,7 +850,7 @@ static int whiteheat_tiocmget(struct tty_struct *tty)
         return modem_signals;
 }
 
-static int whiteheat_tiocmset(struct tty_struct *tty, struct file *file,
+static int whiteheat_tiocmset(struct tty_struct *tty,
                                unsigned int set, unsigned int clear)
 {
         struct usb_serial_port *port = tty->driver_data;