diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index e7e57de50a3c0820c0149cecf4956245c56c220f..acb179f78fdcd2c9a512888da00e34832326cf29 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -1298,7 +1298,7 @@ static int set_efer(struct kvm_vcpu *vcpu, struct msr_data *msr_info)
 	u64 efer = msr_info->data;
 
 	if (efer & efer_reserved_bits)
-		return false;
+		return 1;
 
 	if (!msr_info->host_initiated) {
 		if (!__kvm_valid_efer(vcpu, efer))