[PATCH] KVM: apic: short-circuit kvm_apic_accept_pic_intr() when pic intr is accepted

[linmiaohe]

From: Miaohe Lin <linmiaohe@xxxxxxxxxx>

Short-circuit kvm_apic_accept_pic_intr() when pic intr is accepted, there
is no need to proceed further. Also remove unnecessary var r.

Signed-off-by: Miaohe Lin <linmiaohe@xxxxxxxxxx>
---
 arch/x86/kvm/lapic.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 679692b55f6d..502c7b0d8fdb 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -2370,14 +2370,13 @@ int kvm_apic_has_interrupt(struct kvm_vcpu *vcpu)
 int kvm_apic_accept_pic_intr(struct kvm_vcpu *vcpu)
 {
 	u32 lvt0 = kvm_lapic_get_reg(vcpu->arch.apic, APIC_LVT0);
-	int r = 0;
 
 	if (!kvm_apic_hw_enabled(vcpu->arch.apic))
-		r = 1;
+		return 1;
 	if ((lvt0 & APIC_LVT_MASKED) == 0 &&
 	    GET_APIC_DELIVERY_MODE(lvt0) == APIC_MODE_EXTINT)
-		r = 1;
-	return r;
+		return 1;
+	return 0;
 }
 
 void kvm_inject_apic_timer_irqs(struct kvm_vcpu *vcpu)
-- 
2.19.1