KVM: Remove three magic numbers

There are several places where hardcoded numbers are used in place of
the easily-available constant, which is poor form.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Avi Kivity <avi@qumranet.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/kvm/kvm_main.c b/drivers/kvm/kvm_main.c
index 5b42731beba4..6ad1b04f3099 100644
--- a/drivers/kvm/kvm_main.c
+++ b/drivers/kvm/kvm_main.c
@@ -413,7 +413,7 @@ static void free_pio_guest_pages(struct kvm_vcpu *vcpu)
 {
         int i;
 
-        for (i = 0; i < 2; ++i)
+        for (i = 0; i < ARRAY_SIZE(vcpu->pio.guest_pages); ++i)
                 if (vcpu->pio.guest_pages[i]) {
                         __free_page(vcpu->pio.guest_pages[i]);
                         vcpu->pio.guest_pages[i] = NULL;