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Date:	Thu, 30 May 2013 10:29:54 +0800
From:	Hanjun Guo <>
To:	"Rafael J. Wysocki" <>
CC:	Martin Mokrejs <>,,,,
Subject: Re: [PATCH] ACPI: Fix potential NULL pointer dereference in acpi_processor_add()

On 2013-5-29 19:07, Martin Mokrejs wrote:
> Hanjun Guo wrote:
>> On 2013-5-29 7:30, Rafael J. Wysocki wrote:
>>> On Thursday, May 23, 2013 08:44:26 PM Hanjun Guo wrote:
>>>> In acpi_processor_add(), get_cpu_device() will return NULL sometimes,
>>>> although the chances are small, I think it should be fixed.
>>>> Signed-off-by: Hanjun Guo <>
>>> This patch isn't necessary any more after the changes queued up for 3.11
>>> in the acpi-hotplug branch of the linux-pm.git tree.
>> Ok, I noticed your patch set, just drop my patch.
> But shouldn't this go to stable at least? I checked linux-3.9.4
> and it applies fine. Whether this is relevant for other stable
> series I will leave up to somebody else. ;)

Hi Rafeal,

What's your opinion on Martin's suggestion?


> Martin

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