linux-kernel - RE: [PATCH] edac/85xx: fix error handle of mpc85xx_mc_err

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Date:	Wed, 19 Sep 2012 03:43:35 +0000
From:	Xie Shaohui-B21989 <B21989@...escale.com>
To:	Shaun Ruffell <sruffell@...ium.com>
CC:	"linux-edac@...r.kernel.org" <linux-edac@...r.kernel.org>,
	"linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"avorontsov@...sta.com" <avorontsov@...sta.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"grant.likely@...retlab.ca" <grant.likely@...retlab.ca>
Subject: RE: [PATCH] edac/85xx: fix error handle of mpc85xx_mc_err_probe

> -----Original Message-----
> From: Shaun Ruffell [mailto:sruffell@...ium.com]
> Sent: Wednesday, September 19, 2012 11:05 AM
> To: Xie Shaohui-B21989
> Cc: linux-edac@...r.kernel.org; linuxppc-dev@...ts.ozlabs.org;
> akpm@...ux-foundation.org; avorontsov@...sta.com; linux-
> kernel@...r.kernel.org; grant.likely@...retlab.ca
> Subject: Re: [PATCH] edac/85xx: fix error handle of mpc85xx_mc_err_probe
> 
> On Mon, Sep 17, 2012 at 10:32:59AM +0000, Xie Shaohui-B21989 wrote:
> > > -----Original Message-----
> > > From: Shaun Ruffell [mailto:sruffell@...ium.com]
> > > Sent: Saturday, September 15, 2012 2:22 AM
> > > To: Xie Shaohui-B21989
> > > Cc: linux-edac@...r.kernel.org; linuxppc-dev@...ts.ozlabs.org;
> > > akpm@...ux-foundation.org; avorontsov@...sta.com; linux-
> > > kernel@...r.kernel.org; grant.likely@...retlab.ca
> > > Subject: Re: [PATCH] edac/85xx: fix error handle of
> > > mpc85xx_mc_err_probe
> > >
> > > On Thu, Sep 13, 2012 at 06:55:29PM +0800, Shaohui Xie wrote:
> > > > Error handle in case of DDR ECC off is wrong, sysfs entries have
> > > > not been created, so edac_mc_free which frees a mci instance
> > > > should not be called.
> > > > Also, free mci's memory in this case.
> > >
> > > Jus FYI: I ran into the same error in edac_mc_free() which I
> > > resolved in a slightly different way in some patches I sent
> > > previously. [1]
> > >
> > > [1] https://lkml.org/lkml/2012/9/14/475
> >
> > [S.H] Thanks! I did not aware of this patch when one of my colleague
> > asked me to have a look at the issue, It could save me some time if I
> > saw this patch earlier. :(
> >
> > BTW: seems you are using a different kernel tree with mine.
> 
> On the chance that I missing something important: Why do you say I was
> running a different kernel tree? I was against 3.6-rc2 when I original
> hit the problem.
[S.H] I'm using 3.6-rc4, and some codes in your patch I did not find them in 3.6-rc4.


Best Regards, 
Shaohui Xie

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