linux-kernel - Re: [patch 00/16] Linux 2.6.25 -stable review

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Date:	Fri, 09 May 2008 08:51:09 +0800
From:	Li Zefan <lizf@...fujitsu.com>
To:	Greg KH <gregkh@...e.de>
CC:	Len Brown <lenb@...nel.org>, Willy Tarreau <w@....eu>,
	linux-kernel@...r.kernel.org, stable@...nel.org,
	Justin Forbes <jmforbes@...uxtx.org>,
	Zwane Mwaikambo <zwane@....linux.org.uk>,
	"Theodore Ts'o" <tytso@....edu>,
	Randy Dunlap <rdunlap@...otime.net>,
	Dave Jones <davej@...hat.com>,
	Chuck Wolber <chuckw@...ntumlinux.com>,
	Chris Wedgwood <reviews@...cw.f00f.org>,
	Michael Krufky <mkrufky@...uxtv.org>,
	Chuck Ebbert <cebbert@...hat.com>,
	Domenico Andreoli <cavokz@...il.com>,
	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, Len Brown <len.brown@...el.com>
Subject: Re: [patch 00/16] Linux 2.6.25 -stable review

Greg KH wrote:
> On Thu, May 08, 2008 at 03:16:28PM -0400, Len Brown wrote:
>> On Thursday 08 May 2008, Willy Tarreau wrote:
>>> On Thu, May 08, 2008 at 11:22:33AM -0700, Greg KH wrote:
>>>> On Thu, May 08, 2008 at 08:13:42PM +0200, Willy Tarreau wrote:
>>>>> On Thu, May 08, 2008 at 10:41:22AM -0700, Greg KH wrote:
>>>>>> This is the start of the stable review cycle for the 2.6.25.2 release.
>>>>>> There are 16 patches in this series, all will be posted as a response to
>>>>>> this one.  If anyone has any issues with these being applied, please let
>>>>>> us know.  If anyone is a maintainer of the proper subsystem, and wants
>>>>>> to add a Signed-off-by: line to the patch, please respond with it.
>>>>> Greg, shouldn't we also queue this one (may be in a later version) ? It's
>>>>> in mainline.
>>>> What problem does it solve?
>>> from what I see in the code, currently acpi_power_get_state() will return
>>> 0 when setting resource to NULL, and some callers (eg: acpi_power_on())
>>> will happily dereference resource if acpi_power_get_state() returns 0. So
>>> I guess there are circumstances where we can oops.
>>>
>>>> Does Len want it in -stable?
>>> I simply forgot to ask. I'm CCing him.
>> This patch is correct.
>>
>> Go ahead and apply it -- it won't hurt anything.
>> I don't think it will help anything in real-life either, though.
> 
> Ok, because of that, I'll not apply it, we want patches that actually
> fix reported problems.
> 

It's Ok for me. I found this when reading the code but not hitting a real-world
problem.

> thanks,
> 
> greg k-h
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