KVM: vVMX: rename label for post-enter_guest_mode consistency check

Rename 'fail' to 'vmentry_fail_vmexit_guest_mode' to make it more
obvious that it's simply a different entry point to the VMExit path,
whose purpose is unwind the updates done prior to calling
prepare_vmcs02().
Signed-off-by: NSean Christopherson <sean.j.christopherson@intel.com>
Reviewed-by: NJim Mattson <jmattson@google.com>
Signed-off-by: NPaolo Bonzini <pbonzini@redhat.com>

arch/x86/kvm/vmx.c

@@ -12675,7 +12675,7 @@ static int nested_vmx_enter_non_root_mode(struct kvm_vcpu *vcpu,
 		vcpu->arch.tsc_offset += vmcs12->tsc_offset;
 
 	if (prepare_vmcs02(vcpu, vmcs12, &exit_qual))
-		goto fail;
+		goto vmentry_fail_vmexit_guest_mode;
 
 	if (from_vmentry) {
 		nested_get_vmcs12_pages(vcpu);
@@ -12685,7 +12685,7 @@ static int nested_vmx_enter_non_root_mode(struct kvm_vcpu *vcpu,
 						vmcs12->vm_entry_msr_load_addr,
 						vmcs12->vm_entry_msr_load_count);
 		if (exit_qual)
-			goto fail;
+			goto vmentry_fail_vmexit_guest_mode;
 	} else {
 		/*
 		 * The MMU is not initialized to point at the right entities yet and
@@ -12727,7 +12727,7 @@ static int nested_vmx_enter_non_root_mode(struct kvm_vcpu *vcpu,
 	 * VMEnter to L2 is a variation of a normal VMexit, as explained in
 	 * 26.7 "VM-entry failures during or after loading guest state".
 	 */
-fail:
+vmentry_fail_vmexit_guest_mode:
 	if (vmcs12->cpu_based_vm_exec_control & CPU_BASED_USE_TSC_OFFSETING)
 		vcpu->arch.tsc_offset -= vmcs12->tsc_offset;
 	leave_guest_mode(vcpu);