From: Jiri Slaby <jirislaby@gmail.com>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: jeff@garzik.org, linux-kernel@vger.kernel.org,
jgarzik@redhat.com, a_romanescu@yahoo.co.uk, tj@kernel.org,
alan@lxorguk.ukuu.org.uk
Subject: Re: [PATCH 2/2 v2] ATA: piix, fix pointer deref on suspend
Date: Thu, 11 Dec 2008 21:34:05 +0100 [thread overview]
Message-ID: <4941793D.1000707@gmail.com> (raw)
In-Reply-To: <20081211122712.aee1f039.akpm@linux-foundation.org>
Andrew Morton napsal(a):
> On Tue, 9 Dec 2008 21:52:28 +0100
> Jiri Slaby <jirislaby@gmail.com> wrote:
>
>> Commit
>> ata_piix: add borked Tecra M4 to broken suspend list
>> introduced DMI variables checking, but they can be null, so that
>> we possibly dereference null.
>>
>> Check if they are null and avoid checks in that case.
>>
>> Solves:
>> BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
>> IP: [<ffffffff8043da97>] piix_pci_device_suspend+0x117/0x230
>
> This already got fixed, the nasty way.
>
> I queued "DMI: add dmi_match". We can later switch the piix nastyfix
> over to the nicefix as a cleanup.
Oooops, I didn't Cced you to the last version, sorry for that.
next prev parent reply other threads:[~2008-12-11 20:40 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-03 8:13 [PATCH 1/1] ATA: piix, fix pointer deref on suspend Jiri Slaby
2008-12-03 9:04 ` Tejun Heo
2008-12-03 10:13 ` Alan Cox
2008-12-03 10:39 ` Tejun Heo
2008-12-09 5:47 ` Jeff Garzik
2008-12-09 20:52 ` [PATCH 1/2] DMI: add dmi_match Jiri Slaby
2008-12-09 20:52 ` [PATCH 2/2 v2] ATA: piix, fix pointer deref on suspend Jiri Slaby
2008-12-09 21:29 ` Jeff Garzik
2008-12-09 22:06 ` Jiri Slaby
2008-12-10 13:07 ` [PATCH 1/2] DMI: add dmi_match Jiri Slaby
2008-12-10 13:07 ` [PATCH 2/2] ATA: piix, cleanup dmi strings checking Jiri Slaby
2008-12-29 12:41 ` [PATCH 1/2] DMI: add dmi_match Jeff Garzik
2008-12-11 20:27 ` [PATCH 2/2 v2] ATA: piix, fix pointer deref on suspend Andrew Morton
2008-12-11 20:34 ` Jiri Slaby [this message]
2008-12-09 20:59 ` [PATCH 1/2] DMI: add dmi_match Alan Cox
2008-12-10 2:00 ` Tejun Heo
2008-12-11 20:29 ` Andrew Morton
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