[SCSI] scsi: use get_unaligned_* helpers

Signed-off-by: NHarvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: NMike Christie <michaelc@cs.wisc.edu>
Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>

drivers/scsi/libiscsi.c

@@ -591,7 +591,7 @@ static void iscsi_scsi_cmd_rsp(struct iscsi_conn *conn, struct iscsi_hdr *hdr,
 			goto out;
 		}
 
-		senselen = be16_to_cpu(get_unaligned((__be16 *) data));
+		senselen = get_unaligned_be16(data);
 		if (datalen < senselen)
 			goto invalid_datalen;