diff options
Diffstat (limited to 'drivers/char/mxser.c')
| -rw-r--r-- | drivers/char/mxser.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c index 47023053ee85..d2692d443f7b 100644 --- a/drivers/char/mxser.c +++ b/drivers/char/mxser.c @@ -1011,6 +1011,7 @@ static int mxser_open(struct tty_struct *tty, struct file *filp) if (!info->ioaddr) return -ENODEV; + tty->driver_data = info; return tty_port_open(&info->port, tty, filp); } @@ -1074,7 +1075,7 @@ static void mxser_close(struct tty_struct *tty, struct file *filp) struct mxser_port *info = tty->driver_data; struct tty_port *port = &info->port; - if (tty->index == MXSER_PORTS) + if (tty->index == MXSER_PORTS || info == NULL) return; if (tty_port_close_start(port, tty, filp) == 0) return; |