diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2018-09-12 14:21:40 +0300 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2018-10-13 07:50:39 +0300 |
| commit | 30296aa419f8caec24e31cc2e6e3e6081460e97d (patch) | |
| tree | 8f4168241cd07fa5d01dd352fe54a9ea737bfc05 /drivers/usb | |
| parent | b27ef409b415099aa2c540630db03ea84f45c5cc (diff) | |
| download | linux-30296aa419f8caec24e31cc2e6e3e6081460e97d.tar.xz | |
opticon: switch to ->get_serial()
Reviewed-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/serial/opticon.c | 43 |
1 files changed, 12 insertions, 31 deletions
diff --git a/drivers/usb/serial/opticon.c b/drivers/usb/serial/opticon.c index caa0746326fd..cb7aac9cd9e7 100644 --- a/drivers/usb/serial/opticon.c +++ b/drivers/usb/serial/opticon.c @@ -328,42 +328,23 @@ static int opticon_tiocmset(struct tty_struct *tty, return 0; } -static int get_serial_info(struct usb_serial_port *port, - struct serial_struct __user *serial) +static int get_serial_info(struct tty_struct *tty, + struct serial_struct *ss) { - struct serial_struct tmp; - - memset(&tmp, 0x00, sizeof(tmp)); + struct usb_serial_port *port = tty->driver_data; /* fake emulate a 16550 uart to make userspace code happy */ - tmp.type = PORT_16550A; - tmp.line = port->minor; - tmp.port = 0; - tmp.irq = 0; - tmp.xmit_fifo_size = 1024; - tmp.baud_base = 9600; - tmp.close_delay = 5*HZ; - tmp.closing_wait = 30*HZ; - - if (copy_to_user(serial, &tmp, sizeof(*serial))) - return -EFAULT; + ss->type = PORT_16550A; + ss->line = port->minor; + ss->port = 0; + ss->irq = 0; + ss->xmit_fifo_size = 1024; + ss->baud_base = 9600; + ss->close_delay = 5*HZ; + ss->closing_wait = 30*HZ; return 0; } -static int opticon_ioctl(struct tty_struct *tty, - unsigned int cmd, unsigned long arg) -{ - struct usb_serial_port *port = tty->driver_data; - - switch (cmd) { - case TIOCGSERIAL: - return get_serial_info(port, - (struct serial_struct __user *)arg); - } - - return -ENOIOCTLCMD; -} - static int opticon_port_probe(struct usb_serial_port *port) { struct opticon_private *priv; @@ -404,7 +385,7 @@ static struct usb_serial_driver opticon_device = { .write_room = opticon_write_room, .throttle = usb_serial_generic_throttle, .unthrottle = usb_serial_generic_unthrottle, - .ioctl = opticon_ioctl, + .get_serial = get_serial_info, .tiocmget = opticon_tiocmget, .tiocmset = opticon_tiocmset, .process_read_urb = opticon_process_read_urb, |