linux-kernel - Re: Regression - 2.6.24-rc3 - umem nvram card driver oops

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Message-ID: <20071204022015.GX119954183@sgi.com>
Date:	Tue, 4 Dec 2007 13:20:15 +1100
From:	David Chinner <dgc@....com>
To:	Neil Brown <neilb@...e.de>
Cc:	David Chinner <dgc@....com>, lkml <linux-kernel@...r.kernel.org>
Subject: Re: Regression - 2.6.24-rc3 - umem nvram card driver oops

On Tue, Dec 04, 2007 at 11:14:12AM +1100, Neil Brown wrote:
> On Tuesday December 4, dgc@....com wrote:
> > Neil,
> > 
> > I just upgraded an ia64 (Altix, 16k page size) test box to 2.6.24-rc3
> > from 2.6.23 and I get it panicing on boot in the umem driver.
> 
> Cool - someone is using umem!  And even testing it.  Thanks!
> 
> A quick look shows a probable NULL deref.  Let me know if this fixes
> it.  I'll read through the offending patch more carefully and make
> sure there is nothing else wrong.

Yeah, that appears to fix the problem.

Tested-by: Dave Chinner <dgc@....com>

Cheers,

Dave.
-- 
Dave Chinner
Principal Engineer
SGI Australian Software Group
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