diff options
| -rw-r--r-- | drivers/tty/mxser.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/tty/mxser.c b/drivers/tty/mxser.c index 1e54e94a7ca6..ea5e61a5a173 100644 --- a/drivers/tty/mxser.c +++ b/drivers/tty/mxser.c @@ -856,15 +856,12 @@ static void mxser_shutdown_port(struct tty_port *port) */ static int mxser_open(struct tty_struct *tty, struct file *filp) { - struct mxser_port *info; - int line = tty->index; + struct tty_port *tport = tty->port; + struct mxser_port *port = container_of(tport, struct mxser_port, port); - info = &mxser_boards[line / MXSER_PORTS_PER_BOARD].ports[line % MXSER_PORTS_PER_BOARD]; - if (!info->ioaddr) - return -ENODEV; + tty->driver_data = port; - tty->driver_data = info; - return tty_port_open(&info->port, tty, filp); + return tty_port_open(tport, tty, filp); } static void mxser_flush_buffer(struct tty_struct *tty) |