KVM: Use ARRAY_SIZE macro instead of manual calculation.

Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com>
Signed-off-by: Dor Laor <dor.laor@qumranet.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/kvm/svm.c b/drivers/kvm/svm.c
index 31836444bc62..72cac0488b31 100644
--- a/drivers/kvm/svm.c
+++ b/drivers/kvm/svm.c
@@ -15,6 +15,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/kernel.h>
 #include <linux/vmalloc.h>
 #include <linux/highmem.h>
 #include <linux/profile.h>
@@ -75,7 +76,7 @@ struct svm_init_data {
 
 static u32 msrpm_ranges[] = {0, 0xc0000000, 0xc0010000};
 
-#define NUM_MSR_MAPS (sizeof(msrpm_ranges) / sizeof(*msrpm_ranges))
+#define NUM_MSR_MAPS ARRAY_SIZE(msrpm_ranges)
 #define MSRS_RANGE_SIZE 2048
 #define MSRS_IN_RANGE (MSRS_RANGE_SIZE * 8 / 2)
 
@@ -1297,7 +1298,7 @@ static int handle_exit(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run)
                        __FUNCTION__, vcpu->svm->vmcb->control.exit_int_info,
                        exit_code);
 
-        if (exit_code >= sizeof(svm_exit_handlers) / sizeof(*svm_exit_handlers)
+        if (exit_code >= ARRAY_SIZE(svm_exit_handlers)
             || svm_exit_handlers[exit_code] == 0) {
                 kvm_run->exit_reason = KVM_EXIT_UNKNOWN;
                 printk(KERN_ERR "%s: 0x%x @ 0x%llx cr0 0x%lx rflags 0x%llx\n",