From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: chri <chripell@gmail.com>
Cc: linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org
Subject: Re: [PATCH] max3100 driver
Date: Thu, 9 Oct 2008 10:18:22 +0100 [thread overview]
Message-ID: <20081009101822.54acd701@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <cabda6420810082330i6d013e18o72eac3cb869b1e4e@mail.gmail.com>
> > 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
next prev parent reply other threads:[~2008-10-09 9:18 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-09-20 7:20 [PATCH] max3100 driver Christian Pellegrin
2008-09-20 8:24 ` Andrew Morton
2008-09-20 10:35 ` chri
2008-09-20 13:56 ` Arjan van de Ven
2008-09-20 14:30 ` chri
2008-09-20 14:34 ` Alan Cox
2008-09-21 16:09 ` Ben Pfaff
2008-10-09 6:23 ` chri
2008-10-10 12:08 ` Christian Pellegrin
2008-09-20 14:11 ` Alan Cox
2008-09-20 14:37 ` chri
2008-10-09 6:30 ` chri
2008-10-09 9:18 ` Alan Cox [this message]
-- strict thread matches above, loose matches on Subject: below --
2008-09-20 10:51 Michael Trimarchi
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