Re: [Xen-devel] [PATCH] x86: add an extra check when validating a huge pv L2 entry

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 09/09/2009 16:19, "Jan Beulich" <JBeulich@xxxxxxxxxx> wrote:

> -            rc = get_data_page(mfn_to_page(m), d, writeable);
> +            if ( mfn_valid(m) )
> +                rc = get_data_page(mfn_to_page(m), d, writeable);
> +            else
> +                rc = -EINVAL;

'else rc = 0' would be more like it, eh?

 -- Keir



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