[PATCH] KVM: x86: Fix errors & warnings in irq_comm.c

[shijie001]

The following checkpatch errors & warnings are removed:
WARNING: Missing a blank line after declarations
WARNING: Prefer 'unsigned int' to bare use of 'unsigned'
ERROR: Macros with complex values should be enclosed in parentheses

Signed-off-by: Jie Shi <shijie001@xxxxxxxxxx>
---
 arch/x86/kvm/irq_comm.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/x86/kvm/irq_comm.c b/arch/x86/kvm/irq_comm.c
index 16d076a1b91a..38a759606bef 100644
--- a/arch/x86/kvm/irq_comm.c
+++ b/arch/x86/kvm/irq_comm.c
@@ -32,6 +32,7 @@ static int kvm_set_pic_irq(struct 
kvm_kernel_irq_routing_entry *e,
                bool line_status)
 {
     struct kvm_pic *pic = kvm->arch.vpic;
+
     return kvm_pic_set_irq(pic, e->irqchip.pin, irq_source_id, level);
 }

@@ -40,6 +41,7 @@ static int kvm_set_ioapic_irq(struct 
kvm_kernel_irq_routing_entry *e,
                   bool line_status)
 {
     struct kvm_ioapic *ioapic = kvm->arch.vioapic;
+
     return kvm_ioapic_set_irq(ioapic, e->irqchip.pin, irq_source_id, 
level,
                 line_status);
 }
@@ -253,7 +255,7 @@ void kvm_unregister_irq_mask_notifier(struct kvm 
*kvm, int irq,
     synchronize_srcu(&kvm->irq_srcu);
 }

-void kvm_fire_mask_notifiers(struct kvm *kvm, unsigned irqchip, 
unsigned pin,
+void kvm_fire_mask_notifiers(struct kvm *kvm, unsigned int irqchip, 
unsigned int pin,
                  bool mask)
 {
     struct kvm_irq_mask_notifier *kimn;
@@ -365,7 +367,7 @@ EXPORT_SYMBOL_GPL(kvm_intr_is_single_vcpu);

 #define PIC_ROUTING_ENTRY(irq) \
     { .gsi = irq, .type = KVM_IRQ_ROUTING_IRQCHIP,    \
-      .u.irqchip = { .irqchip = SELECT_PIC(irq), .pin = (irq) % 8 } }
+      .u.irqchip = { .irqchip = SELECT_PIC(irq), .pin = ((irq) % 8) } }
 #define ROUTING_ENTRY2(irq) \
     IOAPIC_ROUTING_ENTRY(irq), PIC_ROUTING_ENTRY(irq)