1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/char/moxa.c b/drivers/char/moxa.c
index 79e490ef2cf2..46a3a8ccd65f 100644
--- a/drivers/char/moxa.c
+++ b/drivers/char/moxa.c
@@ -448,7 +448,7 @@ static int __init moxa_init(void)
 #ifdef CONFIG_PCI
         {
                 struct pci_dev *p = NULL;
-                int n = (sizeof(moxa_pcibrds) / sizeof(moxa_pcibrds[0])) - 1;
+                int n = ARRAY_SIZE(moxa_pcibrds) - 1;
                 i = 0;
                 while (i < n) {
                         while ((p = pci_get_device(moxa_pcibrds[i].vendor, moxa_pcibrds[i].device, p))!=NULL)