Re: [PATCH 1/3] ser_gigaset: fix up NULL checks

From: One Thousand Gnomes
Date: Wed Dec 09 2015 - 07:13:15 EST

On Wed, 9 Dec 2015 11:45:57 +0100
Tilman Schmidt <tilman@xxxxxxx> wrote:

> Am 08.12.2015 um 23:16 schrieb One Thousand Gnomes:
> > The right fix as far as I can see is to remove the tests although
> > WARN_ON() combined with your tty->ops change might be safer.
> Feel free to submit a patch.

Will do later today. Want a patch on top of Paul's change or a single
patch including both and crediting him ?

> > tty locking reviews, but drivers/isdn and net/irda weren't traditionally
> > part of the general tty maintenance but handled separately/
> Or just ignored.

Unfortunately at the time that seemed to happen a lot.

> >> test puzzle me. It's not obvious why they're needed. Ie, can the null
> >> dereferences they try to catch really happen? But I can try to figure
> >> out that in the future, if I ever feel the urge to do so. Anyhow:
> >>
> >> Acked-by: Paul Bolle <pebolle@xxxxxxxxxx>
> >
> > Nacked-by: Alan Cox <alan@xxxxxxxxxxxxxxx>
> So you feel it's better to maintain the current inconsistent state
> created by commit f34d7a5b? Please elaborate.

No I'd rather we didn't make it look magically better then forget about
the mess in question.

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