scsi: fcoe: fix off by one in eth2fc_speed()

This should be "< ARRAY_SIZE()" instead of "<= ARRAY_SIZE()".

Fixes: 0b924e55 ("scsi: fcoe: provide translation table between Ethernet and FC port speeds")
Signed-off-by: Vincent Stehlé <vincent.stehle@laposte.net>
Cc: Johannes Thumshirn <jthumshirn@suse.de>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/fcoe/fcoe_transport.c

@@ -110,7 +110,7 @@ static inline u32 eth2fc_speed(u32 eth_port_speed)
 {
 	int i;
 
-	for (i = 0; i <= ARRAY_SIZE(fcoe_port_speed_mapping); i++) {
+	for (i = 0; i < ARRAY_SIZE(fcoe_port_speed_mapping); i++) {
 		if (fcoe_port_speed_mapping[i].eth_port_speed == eth_port_speed)
 			return fcoe_port_speed_mapping[i].fc_port_speed;
 	}