KVM: x86: Fix wrong masking on relative jump/call

[pandora-kernel.git] / arch / x86 / kvm / mmu.c

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index f1b36cf..db2ffef 100644 (file)
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -2451,6 +2451,9 @@ static int __direct_map(struct kvm_vcpu *vcpu, gpa_t v, int write,
        int emulate = 0;
        gfn_t pseudo_gfn;
 
+       if (!VALID_PAGE(vcpu->arch.mmu.root_hpa))
+               return 0;
+
        for_each_shadow_entry(vcpu, (u64)gfn << PAGE_SHIFT, iterator) {
                if (iterator.level == level) {
                        unsigned pte_access = ACC_ALL;