From c8f97e77d53ff0717a1175b3cdefa497127347f9 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Tue, 11 Sep 2018 23:38:49 -0400 Subject: [PATCH] f81534: switch to ->get_serial() Reviewed-by: Johan Hovold Signed-off-by: Al Viro --- drivers/usb/serial/f81534.c | 38 ++++++++------------------------------ 1 file 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, -- 2.11.0