linux-kernel - Re: [PATCH v2] drivers/block/xen-blkback: preq.dev is used without initialized

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Message-Id: <515C444002000078000CA5B5@nat28.tlf.novell.com>
Date:	Wed, 03 Apr 2013 14:01:20 +0100
From:	"Jan Beulich" <JBeulich@...e.com>
To:	"Chen Gang" <gang.chen@...anux.com>,
	"William Dauchy" <wdauchy@...il.com>
Cc:	<roger.pau@...rix.com>,
	"Stefano Stabellini" <stefano.stabellini@...citrix.com>,
	"xen-devel" <xen-devel@...ts.xen.org>,
	"Konrad Rzeszutek Wilk" <konrad.wilk@...cle.com>,
	<dgdegra@...ho.nsa.gov>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] drivers/block/xen-blkback: preq.dev is used
 without initialized

>>> On 03.04.13 at 14:56, William Dauchy <wdauchy@...il.com> wrote:
> On Thu, Feb 28, 2013 at 3:34 AM, Chen Gang <gang.chen@...anux.com> wrote:
>> additional information:
>>   before commit 01c681d4c70d64cb72142a2823f27c4146a02e63, the value printed
>>   here was bogus, as it was the guest provided value from req->u.rw.handle
>>   rather than the actual device.
>>
>> Signed-off-by: Chen Gang <gang.chen@...anux.com>
>> Acked-by: Jan Beulich <JBeulich@...e.com>
> 
> Sorry I'm a bit late but since since 01c681d is in stable, I guess
> a72d900 (xen/xen-blkback: preq.dev is used without initialized)
> could be added in stable as well.
> Am I wrong? otherwise I'm ok to do the request.

Iirc we requested the earlier commit to be removed from stable
trees, and I think Greg also did so.

Jan

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