- .num_standard = sizeof(prism2_handler) / sizeof(iw_handler),
- .num_private = sizeof(prism2_private_handler) / sizeof(iw_handler),
- .num_private_args = sizeof(prism2_priv) / sizeof(struct iw_priv_args),
+ .num_standard = ARRAY_SIZE(prism2_handler),
+ .num_private = ARRAY_SIZE(prism2_private_handler),
+ .num_private_args = ARRAY_SIZE(prism2_priv),