[SCSI] fusion: use ARRAY_SIZE

ARRAY_SIZE is more concise to use when the size of an array is divided by
the size of its type or the size of its first element.
Signed-off-by: NJulia Lawall <julia@diku.dk>
Acked-by: N"Prakash, Sathya" <Sathya.Prakash@lsi.com>
Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>

drivers/message/fusion/mptbase.c

@@ -4562,7 +4562,7 @@ WaitForDoorbellReply(MPT_ADAPTER *ioc, int howlong, int sleepFlag)
 			failcnt++;
 		hword = le16_to_cpu(CHIPREG_READ32(&ioc->chip->Doorbell) & 0x0000FFFF);
 		/* don't overflow our IOC hs_reply[] buffer! */
-		if (u16cnt < sizeof(ioc->hs_reply) / sizeof(ioc->hs_reply[0]))
+		if (u16cnt < ARRAY_SIZE(ioc->hs_reply))
 			hs_reply[u16cnt] = hword;
 		CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
 	}
@@ -7173,7 +7173,7 @@ union loginfo_type {
 
 	sas_loginfo.loginfo = log_info;
 	if ((sas_loginfo.dw.bus_type != 3 /*SAS*/) &&
-	    (sas_loginfo.dw.originator < sizeof(originator_str)/sizeof(char*)))
+	    (sas_loginfo.dw.originator < ARRAY_SIZE(originator_str)))
 		return;
 
 	originator_desc = originator_str[sas_loginfo.dw.originator];
@@ -7182,21 +7182,21 @@ union loginfo_type {
 
 		case 0:  /* IOP */
 			if (sas_loginfo.dw.code <
-			    sizeof(iop_code_str)/sizeof(char*))
+			    ARRAY_SIZE(iop_code_str))
 				code_desc = iop_code_str[sas_loginfo.dw.code];
 			break;
 		case 1:  /* PL */
 			if (sas_loginfo.dw.code <
-			    sizeof(pl_code_str)/sizeof(char*))
+			    ARRAY_SIZE(pl_code_str))
 				code_desc = pl_code_str[sas_loginfo.dw.code];
 			break;
 		case 2:  /* IR */
 			if (sas_loginfo.dw.code >=
-			    sizeof(ir_code_str)/sizeof(char*))
+			    ARRAY_SIZE(ir_code_str))
 				break;
 			code_desc = ir_code_str[sas_loginfo.dw.code];
 			if (sas_loginfo.dw.subcode >=
-			    sizeof(raid_sub_code_str)/sizeof(char*))
+			    ARRAY_SIZE(raid_sub_code_str))
 			break;
 			if (sas_loginfo.dw.code == 0)
 				sub_code_desc =