linux-kernel - Re: [PATCH] SCSI: fix data corruption caused by ses

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Message-id: <200802131608.00493.yinghai.lu@sun.com>
Date:	Wed, 13 Feb 2008 16:07:59 -0800
From:	Yinghai Lu <Yinghai.Lu@....COM>
To:	James Bottomley <James.Bottomley@...senpartnership.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-scsi@...r.kernel.org, linux-ide@...r.kernel.org,
	kristen.c.accardi@...el.com, Ingo Molnar <mingo@...e.hu>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH] SCSI: fix data corruption caused by ses

On Wednesday 13 February 2008 03:25:27 pm James Bottomley wrote:
> On Tue, 2008-02-12 at 23:10 -0800, Yinghai Lu wrote:
> >  			if (type_ptr[0] != ENCLOSURE_COMPONENT_DEVICE &&
> >  			    type_ptr[0] != ENCLOSURE_COMPONENT_ARRAY_DEVICE)
> > -				continue;
> > +				goto next;
> > +
> >  			ecomp =	enclosure_component_register(edev,
> >  							     components++,
> >  							     type_ptr[0],
> >  							     name);
> > +
> > +			if (desc_ptr && !IS_ERR(ecomp) && addl_desc_ptr)
> > +				ses_process_descriptor(ecomp,
> > +						       addl_desc_ptr);
> > +		next:
> >  			if (desc_ptr) {
> >  				desc_ptr += len;
> > -				if (!IS_ERR(ecomp))
> > -					ses_process_descriptor(ecomp,
> > -							       addl_desc_ptr);
> >  
> >  				if (addl_desc_ptr)
> >  					addl_desc_ptr += addl_desc_ptr[1] + 2;
> 
> Everything looks fine, thanks, except this piece.
> 
> That 
> 
> if (x)
>      goto next;
> ...
> next:
> 
> Needs to be
> 
> if (!x) {
>    ...
> }
> 

find other problems about sub_enclosure...

will send you updated one.

YH
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