> > 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 -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
