[PATCH v12 03/84] KVM: Drop KVM_ERR_PTR_BAD_PAGE and instead return NULL to indicate an error

[Alex Bennée]

Sean Christopherson <seanjc at google.com> writes:

> Remove KVM_ERR_PTR_BAD_PAGE and instead return NULL, as "bad page" is just
> a leftover bit of weirdness from days of old when KVM stuffed a "bad" page
> into the guest instead of actually handling missing pages.  See commit
> cea7bb21280e ("KVM: MMU: Make gfn_to_page() always safe").
>
> Signed-off-by: Sean Christopherson <seanjc at google.com>

Reviewed-by: Alex Bennée <alex.bennee at linaro.org>

-- 
Alex Bennée
Virtualisation Tech Lead @ Linaro