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Commit e31d5a05 authored by Alan Cox's avatar Alan Cox Committed by David S. Miller
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caif: tty's are kref objects so take a reference 



I don't think this can be abused in this case but do things properly.

Signed-off-by: default avatarAlan Cox <alan@linux.intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c93f0940

drivers/net/caif/caif_serial.c

+2 −1
Original line number Diff line number Diff line
@@ -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();

}