linux-kernel - Re: btrfs zero divide

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Message-ID: <20130809143537.GA861@localhost.localdomain>
Date:	Fri, 9 Aug 2013 10:35:37 -0400
From:	Josef Bacik <jbacik@...ionio.com>
To:	Andreas Schwab <schwab@...ux-m68k.org>
CC:	Josef Bacik <jbacik@...ionio.com>, Thorsten Glaser <tg@...bsd.de>,
	Joe Perches <joe@...ches.com>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Debian GNU/Linux m68k <debian-68k@...ts.debian.org>,
	<linux-btrfs@...r.kernel.org>,
	Linux Kernel Development <linux-kernel@...r.kernel.org>
Subject: Re: btrfs zero divide

On Fri, Aug 09, 2013 at 02:30:38PM +0200, Andreas Schwab wrote:
> Andreas Schwab <schwab@...ux-m68k.org> writes:
> 
> > Josef Bacik <jbacik@...ionio.com> writes:
> >
> >> So stripe_len shouldn't be 0, if it is you have bigger problems :).
> >
> > The bigger problem is that stripe_nr is u64, this is completely bogus.
> > The first operand of do_div must be u32.  This goes through the whole
> > file.
> 
> Of course, what I meant was that the *second* operand must be u32, but
> that doesn't change my point.
> 

Yeah we can change this.  Thanks,

Josef
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