[PATCH] KVM: VMX: Add 'else' to split mutually exclusive case

[linmiaohe <linmiaohe@huawei.com>]

From: Miaohe Lin <linmiaohe@huawei.com>

Each if branch in handle_external_interrupt_irqoff() is mutually
exclusive. Add 'else' to make it clear and also avoid some unnecessary
check.

Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
---
 arch/x86/kvm/vmx/vmx.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 9a6664886f2e..bb5c33440af8 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -6178,13 +6178,11 @@ static void handle_exception_nmi_irqoff(struct vcpu_vmx *vmx)
 	/* if exit due to PF check for async PF */
 	if (is_page_fault(vmx->exit_intr_info))
 		vmx->vcpu.arch.apf.host_apf_reason = kvm_read_and_reset_pf_reason();
-
 	/* Handle machine checks before interrupts are enabled */
-	if (is_machine_check(vmx->exit_intr_info))
+	else if (is_machine_check(vmx->exit_intr_info))
 		kvm_machine_check();
-
 	/* We need to handle NMIs before interrupts are enabled */
-	if (is_nmi(vmx->exit_intr_info)) {
+	else if (is_nmi(vmx->exit_intr_info)) {
 		kvm_before_interrupt(&vmx->vcpu);
 		asm("int $2");
 		kvm_after_interrupt(&vmx->vcpu);
-- 
2.19.1