linux-kernel - Re: [bug] ata subsystem related crash with latest -git

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Date:	Thu, 18 Oct 2007 15:56:05 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Benny Halevy <bhalevy@...asas.com>
Cc:	David Miller <davem@...emloft.net>, torvalds@...ux-foundation.org,
	fujita.tomonori@....ntt.co.jp, mingo@...e.hu,
	linux-kernel@...r.kernel.org, jgarzik@...ox.com,
	alan@...rguk.ukuu.org.uk, tomof@....org
Subject: Re: [bug] ata subsystem related crash with latest -git

On Thu, Oct 18 2007, Benny Halevy wrote:
> >  	return sg;
> >  }
> > @@ -83,6 +96,9 @@ static inline struct scatterlist *sg_last(struct scatterlist *sgl,
> >  		ret = sg;
> >  
> >  #endif
> > +#ifdef CONFIG_DEBUG_SG
> > +	BUG_ON(sgl[0].sg_magic != SG_MAGIC);
> 
> can it also do BUG_ON(!sg_is_last(sg))?

That would make sense, definitely. I'll add that.

-- 
Jens Axboe

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