Re: [PATCH] SPARC64: fix iommu sg chaining

[David Miller]

From: David Miller <davem@xxxxxxxxxxxxx>
Date: Wed, 17 Oct 2007 01:33:25 -0700 (PDT)

> sg_next() gives you a NULL after the last entry, but tests have been
> changed to compare against sg_last() which is likely not what we
> want for those checks.

This of course isn't true, ignore me as I'm still learning how this
new stuff works :-)
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