From: Al Viro <v...@zeniv.linux.org.uk>

Signed-off-by: Al Viro <v...@zeniv.linux.org.uk>
---
 drivers/usb/serial/io_ti.c | 47 ++++++++++++++--------------------------------
 1 file changed, 14 insertions(+), 33 deletions(-)

diff --git a/drivers/usb/serial/io_ti.c b/drivers/usb/serial/io_ti.c
index 6d1d6efa3055..c327d4cf7928 100644
--- a/drivers/usb/serial/io_ti.c
+++ b/drivers/usb/serial/io_ti.c
@@ -2437,47 +2437,28 @@ static int edge_tiocmget(struct tty_struct *tty)
        return result;
 }
 
-static int get_serial_info(struct edgeport_port *edge_port,
-                               struct serial_struct __user *retinfo)
+static int get_serial_info(struct tty_struct *tty,
+                               struct serial_struct *ss)
 {
-       struct serial_struct tmp;
+       struct usb_serial_port *port = tty->driver_data;
+       struct edgeport_port *edge_port = usb_get_serial_port_data(port);
        unsigned cwait;
 
        cwait = edge_port->port->port.closing_wait;
        if (cwait != ASYNC_CLOSING_WAIT_NONE)
                cwait = jiffies_to_msecs(cwait) / 10;
 
-       memset(&tmp, 0, sizeof(tmp));
-
-       tmp.type                = PORT_16550A;
-       tmp.line                = edge_port->port->minor;
-       tmp.port                = edge_port->port->port_number;
-       tmp.irq                 = 0;
-       tmp.xmit_fifo_size      = edge_port->port->bulk_out_size;
-       tmp.baud_base           = 9600;
-       tmp.close_delay         = 5*HZ;
-       tmp.closing_wait        = cwait;
-
-       if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
-               return -EFAULT;
+       ss->type                = PORT_16550A;
+       ss->line                = edge_port->port->minor;
+       ss->port                = edge_port->port->port_number;
+       ss->irq                 = 0;
+       ss->xmit_fifo_size      = edge_port->port->bulk_out_size;
+       ss->baud_base           = 9600;
+       ss->close_delay         = 5*HZ;
+       ss->closing_wait        = cwait;
        return 0;
 }
 
-static int edge_ioctl(struct tty_struct *tty,
-                                       unsigned int cmd, unsigned long arg)
-{
-       struct usb_serial_port *port = tty->driver_data;
-       struct edgeport_port *edge_port = usb_get_serial_port_data(port);
-
-       switch (cmd) {
-       case TIOCGSERIAL:
-               dev_dbg(&port->dev, "%s - TIOCGSERIAL\n", __func__);
-               return get_serial_info(edge_port,
-                               (struct serial_struct __user *) arg);
-       }
-       return -ENOIOCTLCMD;
-}
-
 static void edge_break(struct tty_struct *tty, int break_state)
 {
        struct usb_serial_port *port = tty->driver_data;
@@ -2738,7 +2719,7 @@ static struct usb_serial_driver edgeport_1port_device = {
        .release                = edge_release,
        .port_probe             = edge_port_probe,
        .port_remove            = edge_port_remove,
-       .ioctl                  = edge_ioctl,
+       .get_serial             = get_serial_info,
        .set_termios            = edge_set_termios,
        .tiocmget               = edge_tiocmget,
        .tiocmset               = edge_tiocmset,
@@ -2777,7 +2758,7 @@ static struct usb_serial_driver edgeport_2port_device = {
        .release                = edge_release,
        .port_probe             = edge_port_probe,
        .port_remove            = edge_port_remove,
-       .ioctl                  = edge_ioctl,
+       .get_serial             = get_serial_info,
        .set_termios            = edge_set_termios,
        .tiocmget               = edge_tiocmget,
        .tiocmset               = edge_tiocmset,
-- 
2.11.0

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