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f81534: switch to ->get_serial()

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Reviewed-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2018-09-11 23:38:49 -04:00
parent 056abede09
commit c8f97e77d5
1 changed files with 8 additions and 30 deletions
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38
drivers/usb/serial/f81534.c
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@ -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,