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Re: [Xen-devel] [PATCH] fix mfn check of gnttab_transfer()

> >fix mfn check of gnttab_transfer().
> What's wrong with the mfn check? mfn_valid() will return false for 
> INVALID_MFN so there's no need to check for it explicitly.
The interesting part here is that the mfn_valid() should be called on
the mfn rather than the gmfn, and I've applied that part.

Steven.

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