linux-kernel - RE: [PATCH] ahci: qoriq: fixed using uninitialized variable warnings

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Message-ID: <DM2PR03MB574FA9FAB46F5091AA8746CFA5D0@DM2PR03MB574.namprd03.prod.outlook.com>
Date:	Mon, 14 Sep 2015 03:02:27 +0000
From:	Yuantian Tang <Yuantian.Tang@...escale.com>
To:	Tejun Heo <tj@...nel.org>
CC:	"hdegoede@...hat.com" <hdegoede@...hat.com>,
	"linux-ide@...r.kernel.org" <linux-ide@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Fengguang Wu <fengguang.wu@...el.com>
Subject: RE: [PATCH] ahci: qoriq: fixed using uninitialized variable warnings

Hello Tejun,

The toolchain I used is:
gcc version 4.8.3 20140401 (prerelease) (Linaro GCC 4.8-2014.04)

I have not found this warning using this tool chain with -Wuninitialized flag.

Regards,
Yuantian 

> -----Original Message-----
> From: Tejun Heo [mailto:htejun@...il.com] On Behalf Of Tejun Heo
> Sent: Friday, September 11, 2015 9:55 PM
> To: Tang Yuantian-B29983 <Yuantian.Tang@...escale.com>
> Cc: hdegoede@...hat.com; linux-ide@...r.kernel.org; linux-
> kernel@...r.kernel.org; devicetree@...r.kernel.org; Fengguang Wu
> <fengguang.wu@...el.com>
> Subject: Re: [PATCH] ahci: qoriq: fixed using uninitialized variable warnings
> 
> Hello, Yuantian.
> 
> On Fri, Sep 11, 2015 at 05:27:25AM +0000, Yuantian Tang wrote:
> > Hi Tejun,
> >
> > Could you please take the version 1 patch?
> > The version 2 patch can't address these warnings, and the version 1 can
> definitely remove them.
> > In this case, that would cause any hidden bugs, so no worries.
> 
> Ugh... I really hate changes which are made to just work around compiler
> silliness.  If this is something which goes away with newer gcc, Fengguang can
> just make it as a known false positive.  Yuantian, which compiler are you
> using?
> 
> Thanks.
> 
> --
> tejun
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