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	Fri, 30 Oct 2009 21:41:41 -0400
Date: Fri, 30 Oct 2009 21:41:45 -0400 (EDT)
From: Alan Stern <stern@rowland.harvard.edu>
To: David Woodhouse <dwmw2@infradead.org>
cc: Christian Lamparter <chunkeey@googlemail.com>,
	Larry Finger <Larry.Finger@lwfinger.net>,
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Subject: Re: [PATCH] libertas if_usb: Fix crash on 64-bit machines
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On Fri, 30 Oct 2009, David Woodhouse wrote:

> On Fri, 2009-10-30 at 19:44 +0100, Christian Lamparter wrote:
> > 
> > that's just a fill-in macro.
> > AFAICT usb_submit_urb does the tricky dma mapping.
> 
> Ah, that makes sense. In that case, all we need to do is make
> map_urb_for_dma() do the right thing.

map_urb_for_dma() does little more than call dma_map_single().  That's 
what you'll have to fix.

Alan Stern