Re: [PATCH] max3100 driver

Alan Cox
2008-10-09T09:18:24Z

> > If there has been a hangup the port.tty will be NULL...
> >
>
> I check against NULL. But let me ask again: the other drivers (for
> example SA1100) don't do it. How they avoid the nasty NULL pointer
> dereference?

Some drives keep the tty pointer and deliver data to closed ttys wrongly,
others do careful locking, others are just broken.

> Sorry again for not having replied before resending the patch.

No problem