> if (--hp->count == 0) {
> - if (hp->ops->notifier_del)
> - hp->ops->notifier_del(hp, hp->data);
> -
> /* We are done with the tty pointer now. */
> hp->tty = NULL;
> spin_unlock_irqrestore(&hp->lock, flags);
>
> + if (hp->ops->notifier_del)
> + hp->ops->notifier_del(hp, hp->data);
> +
I will try. Of course the risk here is that the interrupt happens
after we set hp->tty to NULL, so we probably need to check within the
interrupt handler for a NULL tty. I haven't checked if that's the case
(I'm not in front of the code right now).
Ben.
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