From: Avi Kivity <[EMAIL PROTECTED]>

Signed-off-by: Avi Kivity <[EMAIL PROTECTED]>

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index e75b2f5..a575e54 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -1342,6 +1342,8 @@ static void vmx_set_efer(struct kvm_vcpu *vcpu, u64 efer)
        struct kvm_msr_entry *msr = find_msr_entry(vmx, MSR_EFER);
 
        vcpu->arch.shadow_efer = efer;
+       if (!msr)
+               return;
        if (efer & EFER_LMA) {
                vmcs_write32(VM_ENTRY_CONTROLS,
                                     vmcs_read32(VM_ENTRY_CONTROLS) |

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