[PATCH 30/50] ssu100: switch to ->get_serial()

[Al Viro]

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

Signed-off-by: Al Viro <v...@zeniv.linux.org.uk>
---
 drivers/usb/serial/ssu100.c | 42 +++++++++++-------------------------------
 1 file changed, 11 insertions(+), 31 deletions(-)

diff --git a/drivers/usb/serial/ssu100.c b/drivers/usb/serial/ssu100.c
index 0900b47b5f57..f6aea9f1be1a 100644
--- a/drivers/usb/serial/ssu100.c
+++ b/drivers/usb/serial/ssu100.c
@@ -331,39 +331,19 @@ static int ssu100_open(struct tty_struct *tty, struct 
usb_serial_port *port)
        return usb_serial_generic_open(tty, port);
 }
 
-static int get_serial_info(struct usb_serial_port *port,
-                          struct serial_struct __user *retinfo)
-{
-       struct serial_struct tmp;
-
-       memset(&tmp, 0, sizeof(tmp));
-       tmp.line                = port->minor;
-       tmp.port                = 0;
-       tmp.irq                 = 0;
-       tmp.xmit_fifo_size      = port->bulk_out_size;
-       tmp.baud_base           = 9600;
-       tmp.close_delay         = 5*HZ;
-       tmp.closing_wait        = 30*HZ;
-
-       if (copy_to_user(retinfo, &tmp, sizeof(*retinfo)))
-               return -EFAULT;
-       return 0;
-}
-
-static int ssu100_ioctl(struct tty_struct *tty,
-                   unsigned int cmd, unsigned long arg)
+static int get_serial_info(struct tty_struct *tty,
+                          struct serial_struct *ss)
 {
        struct usb_serial_port *port = tty->driver_data;
 
-       switch (cmd) {
-       case TIOCGSERIAL:
-               return get_serial_info(port,
-                                      (struct serial_struct __user *) arg);
-       default:
-               break;
-       }
-
-       return -ENOIOCTLCMD;
+       ss->line                = port->minor;
+       ss->port                = 0;
+       ss->irq                 = 0;
+       ss->xmit_fifo_size      = port->bulk_out_size;
+       ss->baud_base           = 9600;
+       ss->close_delay         = 5*HZ;
+       ss->closing_wait        = 30*HZ;
+       return 0;
 }
 
 static int ssu100_attach(struct usb_serial *serial)
@@ -566,7 +546,7 @@ static struct usb_serial_driver ssu100_device = {
        .tiocmset            = ssu100_tiocmset,
        .tiocmiwait          = usb_serial_generic_tiocmiwait,
        .get_icount          = usb_serial_generic_get_icount,
-       .ioctl               = ssu100_ioctl,
+       .get_serial          = get_serial_info,
        .set_termios         = ssu100_set_termios,
 };
 
-- 
2.11.0