linux-kernel - Re: cpqphp: NULL ptr deref in cpqhpc

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Message-ID: <20100610232825.GH8257@canonical.com>
Date:	Thu, 10 Jun 2010 17:28:25 -0600
From:	Alex Chiang <achiang@...onical.com>
To:	Greg KH <greg@...ah.com>
Cc:	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Jiri Slaby <jslaby@...e.cz>, linux-pci@...r.kernel.org,
	Linux kernel mailing list <linux-kernel@...r.kernel.org>,
	Jiri Slaby <jirislaby@...il.com>
Subject: Re: cpqphp: NULL ptr deref in cpqhpc_probe

* Greg KH <greg@...ah.com>:
> On Thu, Jun 10, 2010 at 04:34:36PM -0600, Alex Chiang wrote:
> > But I seriously think it's just time to rip this driver out
> > of the tree. If anyone is actually using this driver to do
> > hotplug, I will personally buy that person a full half-barrel
> > of Colorado's finest microbrew of choice in order to numb the
> > pain of making poor career decisions. Hell, we can drink it
> > together, during which time I'll hack on the driver. The code
> > surely can't get any worse.
> 
> A real user found this problem on their machine, so you might
> have to go buy that barrel.  Jiri has more details on that :)

Well, I went and read the bz before responding, and the user did
say that he wan't interested in the actual hotplug aspect of it.
;)

> Me, I gave the machine that had this hardware in it to
> osuosl.org a long time ago, odds are, it's still being used by
> some group.

Oh, I don't doubt that someone is using the hardware to do
something useful. But I do doubt that anyone's using the hotplug
driver. It's been in various stages of brokenness for several
years now.

/ac
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