[PATCH 28/50] pl2303: 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/pl2303.c | 29 ++++++++---------------------
 1 file changed, 8 insertions(+), 21 deletions(-)

diff --git a/drivers/usb/serial/pl2303.c b/drivers/usb/serial/pl2303.c
index e41f725ac7aa..a4e0d13fc121 100644
--- a/drivers/usb/serial/pl2303.c
+++ b/drivers/usb/serial/pl2303.c
@@ -808,29 +808,16 @@ static int pl2303_carrier_raised(struct usb_serial_port 
*port)
        return 0;
 }
 
-static int pl2303_ioctl(struct tty_struct *tty,
-                       unsigned int cmd, unsigned long arg)
+static int pl2303_get_serial(struct tty_struct *tty,
+                       struct serial_struct *ss)
 {
-       struct serial_struct ser;
        struct usb_serial_port *port = tty->driver_data;
 
-       switch (cmd) {
-       case TIOCGSERIAL:
-               memset(&ser, 0, sizeof ser);
-               ser.type = PORT_16654;
-               ser.line = port->minor;
-               ser.port = port->port_number;
-               ser.baud_base = 460800;
-
-               if (copy_to_user((void __user *)arg, &ser, sizeof ser))
-                       return -EFAULT;
-
-               return 0;
-       default:
-               break;
-       }
-
-       return -ENOIOCTLCMD;
+       ss->type = PORT_16654;
+       ss->line = port->minor;
+       ss->port = port->port_number;
+       ss->baud_base = 460800;
+       return 0;
 }
 
 static void pl2303_set_break(struct usb_serial_port *port, bool enable)
@@ -1016,7 +1003,7 @@ static struct usb_serial_driver pl2303_device = {
        .close =                pl2303_close,
        .dtr_rts =              pl2303_dtr_rts,
        .carrier_raised =       pl2303_carrier_raised,
-       .ioctl =                pl2303_ioctl,
+       .get_serial =           pl2303_get_serial,
        .break_ctl =            pl2303_break_ctl,
        .set_termios =          pl2303_set_termios,
        .tiocmget =             pl2303_tiocmget,
-- 
2.11.0