KVM: x86: simplify pic_ioport_read()

Signed-off-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>

diff --git a/arch/x86/kvm/i8259.c b/arch/x86/kvm/i8259.c
index d481f33..bdcd413 100644 (file)
--- a/arch/x86/kvm/i8259.c
+++ b/arch/x86/kvm/i8259.c
@@ -417,19 +417,16 @@ static u32 pic_poll_read(struct kvm_kpic_state *s, u32 addr1)
        return ret;
 }
 
-static u32 pic_ioport_read(void *opaque, u32 addr1)
+static u32 pic_ioport_read(void *opaque, u32 addr)
 {
        struct kvm_kpic_state *s = opaque;
-       unsigned int addr;
        int ret;
 
-       addr = addr1;
-       addr &= 1;
        if (s->poll) {
-               ret = pic_poll_read(s, addr1);
+               ret = pic_poll_read(s, addr);
                s->poll = 0;
        } else
-               if (addr == 0)
+               if ((addr & 1) == 0)
                        if (s->read_reg_select)
                                ret = s->isr;
                        else