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

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Date:	Wed, 27 Feb 2013 10:03:43 +0000
From:	"Jan Beulich" <JBeulich@...e.com>
To:	"Roger Pau Monné" <roger.pau@...rix.com>
Cc:	"Chen Gang" <gang.chen@...anux.com>,
	"Stefano Stabellini" <Stefano.Stabellini@...citrix.com>,
	"konrad.wilk@...cle.com" <konrad.wilk@...cle.com>,
	"dgdegra@...ho.nsa.gov" <dgdegra@...ho.nsa.gov>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drivers/block/xen-blkback: preq.dev is used
 without initialized

>>> On 27.02.13 at 10:50, Roger Pau Monné<roger.pau@...rix.com> wrote:
> On 27/02/13 05:52, Chen Gang wrote:
>> 
>>   if call xen_vbd_translate failed, the preq.dev will be not initialized.
>>   so use blkif->vbd.pdevice instead (still better to print relative info).
> 
> preq.dev is initialized a a couple of lines prior to calling
> xen_vbd_translate:
> 
> preq.dev           = req->u.rw.handle;

Not anymore after 01c681d4c70d64cb72142a2823f27c4146a02e63
(in Konrad's tree).

Jan
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