Re: [PATCH] max3100 driver

From: Alan Cox
Date: Thu Oct 09 2008 - 05:18:53 EST


> > 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
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