KVM: SEV: Return appropriate error codes if SEV-ES scratch setup fails
Return appropriate error codes if setting up the GHCB scratch area for an SEV-ES guest fails. In particular, returning -EINVAL instead of -ENOMEM when allocating the kernel buffer could be confusing as userspace would likely suspect a guest issue. Fixes: 8f423a80 ("KVM: SVM: Support MMIO for an SEV-ES guest") Cc: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by:Sean Christopherson <seanjc@google.com> Message-Id: <20211109222350.2266045-2-seanjc@google.com> Signed-off-by:
Paolo Bonzini <pbonzini@redhat.com>
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