diff options
| -rw-r--r-- | drivers/net/caif/caif_serial.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/caif/caif_serial.c b/drivers/net/caif/caif_serial.c index c669ec37483b..38c0186cfbc2 100644 --- a/drivers/net/caif/caif_serial.c +++ b/drivers/net/caif/caif_serial.c @@ -319,7 +319,7 @@ static int ldisc_open(struct tty_struct *tty) sprintf(name, "cf%s", tty->name); dev = alloc_netdev(sizeof(*ser), name, caifdev_setup); ser = netdev_priv(dev); - ser->tty = tty; + ser->tty = tty_kref_get(tty); ser->dev = dev; debugfs_init(ser, tty); tty->receive_room = N_TTY_BUF_SIZE; @@ -352,6 +352,7 @@ static void ldisc_close(struct tty_struct *tty) unregister_netdevice(ser->dev); list_del(&ser->node); debugfs_deinit(ser); + tty_kref_put(ser->tty); if (!islocked) rtnl_unlock(); } |