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KVM: x86: drop goto label in kvm_set_routing_entry()

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No need for the goto label + local variable "r".

Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
This commit is contained in:
David Hildenbrand 2017-04-07 10:50:34 +02:00 committed by Radim Krčmář
parent 993225adf4
commit 43ae312ca1
1 changed files with 8 additions and 12 deletions
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20
arch/x86/kvm/irq_comm.c
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@ -278,18 +278,16 @@ int kvm_set_routing_entry(struct kvm *kvm,
struct kvm_kernel_irq_routing_entry *e,
const struct kvm_irq_routing_entry *ue)
{
int r = -EINVAL;
/* also allow creation of routes during KVM_IRQCHIP_INIT_IN_PROGRESS */
if (kvm->arch.irqchip_mode == KVM_IRQCHIP_NONE)
goto out;
return -EINVAL;
/* Matches smp_wmb() when setting irqchip_mode */
smp_rmb();
switch (ue->type) {
case KVM_IRQ_ROUTING_IRQCHIP:
if (irqchip_split(kvm))
goto out;
return -EINVAL;
e->irqchip.pin = ue->u.irqchip.pin;
switch (ue->u.irqchip.irqchip) {
case KVM_IRQCHIP_PIC_SLAVE:
@ -297,16 +295,16 @@ int kvm_set_routing_entry(struct kvm *kvm,
/* fall through */
case KVM_IRQCHIP_PIC_MASTER:
if (ue->u.irqchip.pin >= PIC_NUM_PINS / 2)
goto out;
return -EINVAL;
e->set = kvm_set_pic_irq;
break;
case KVM_IRQCHIP_IOAPIC:
if (ue->u.irqchip.pin >= KVM_IOAPIC_NUM_PINS)
goto out;
return -EINVAL;
e->set = kvm_set_ioapic_irq;
break;
default:
goto out;
return -EINVAL;
}
e->irqchip.irqchip = ue->u.irqchip.irqchip;
break;
@ -317,7 +315,7 @@ int kvm_set_routing_entry(struct kvm *kvm,
e->msi.data = ue->u.msi.data;
if (kvm_msi_route_invalid(kvm, e))
goto out;
return -EINVAL;
break;
case KVM_IRQ_ROUTING_HV_SINT:
e->set = kvm_hv_set_sint;
@ -325,12 +323,10 @@ int kvm_set_routing_entry(struct kvm *kvm,
e->hv_sint.sint = ue->u.hv_sint.sint;
break;
default:
goto out;
return -EINVAL;
}
r = 0;
out:
return r;
return 0;
}
bool kvm_intr_is_single_vcpu(struct kvm *kvm, struct kvm_lapic_irq *irq,