f81534: switch to ->get_serial()

Reviewed-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 8 insertions, 30 deletions

diff --git a/drivers/usb/serial/f81534.c b/drivers/usb/serial/f81534.c
index 4dfbff20bda4..380933db34dd 100644
--- a/drivers/usb/serial/f81534.c
+++ b/drivers/usb/serial/f81534.c
@@ -1139,43 +1139,21 @@ static void f81534_close(struct usb_serial_port *port)
         mutex_unlock(&serial_priv->urb_mutex);
 }
 
-static int f81534_get_serial_info(struct usb_serial_port *port,
-                                  struct serial_struct __user *retinfo)
+static int f81534_get_serial_info(struct tty_struct *tty,
+                                  struct serial_struct *ss)
 {
+        struct usb_serial_port *port = tty->driver_data;
         struct f81534_port_private *port_priv;
-        struct serial_struct tmp;
 
         port_priv = usb_get_serial_port_data(port);
 
-        memset(&tmp, 0, sizeof(tmp));
-
-        tmp.type = PORT_16550A;
-        tmp.port = port->port_number;
-        tmp.line = port->minor;
-        tmp.baud_base = port_priv->baud_base;
-
-        if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
-                return -EFAULT;
-
+        ss->type = PORT_16550A;
+        ss->port = port->port_number;
+        ss->line = port->minor;
+        ss->baud_base = port_priv->baud_base;
         return 0;
 }
 
-static int f81534_ioctl(struct tty_struct *tty, unsigned int cmd,
-                        unsigned long arg)
-{
-        struct usb_serial_port *port = tty->driver_data;
-        struct serial_struct __user *buf = (struct serial_struct __user *)arg;
-
-        switch (cmd) {
-        case TIOCGSERIAL:
-                return f81534_get_serial_info(port, buf);
-        default:
-                break;
-        }
-
-        return -ENOIOCTLCMD;
-}
-
 static void f81534_process_per_serial_block(struct usb_serial_port *port,
                 u8 *data)
 {
@@ -1581,7 +1559,7 @@ static struct usb_serial_driver f81534_device = {
         .break_ctl =            f81534_break_ctl,
         .dtr_rts =              f81534_dtr_rts,
         .process_read_urb =     f81534_process_read_urb,
-        .ioctl =                f81534_ioctl,
+        .get_serial =           f81534_get_serial_info,
         .tiocmget =             f81534_tiocmget,
         .tiocmset =             f81534_tiocmset,
         .write_bulk_callback =  f81534_write_usb_callback,