[SCSI] drivers/scsi: Use ARRAY_SIZE macro

Use ARRAY_SIZE macro instead of sizeof(x)/sizeof(x[0]) and remove
duplicates of the macro.

Signed-off-by: Tobias Klauser <tklauser@nuerscht.ch>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/scsi/aacraid/commctrl.c b/drivers/scsi/aacraid/commctrl.c
index 9f75144e5247..255421de9d1a 100644
--- a/drivers/scsi/aacraid/commctrl.c
+++ b/drivers/scsi/aacraid/commctrl.c
@@ -535,7 +535,7 @@ static int aac_send_raw_srb(struct aac_dev* dev, void __user * arg)
         default:
                 data_dir = DMA_NONE;
         }
-        if (user_srbcmd->sg.count > (sizeof(sg_list)/sizeof(sg_list[0]))) {
+        if (user_srbcmd->sg.count > ARRAY_SIZE(sg_list)) {
                 dprintk((KERN_DEBUG"aacraid: too many sg entries %d\n",
                   le32_to_cpu(srbcmd->sg.count)));
                 rcode = -EINVAL;