show_rf_kill     4294 drivers/net/wireless/intel/ipw2x00/ipw2100.c static DEVICE_ATTR(rf_kill, 0644, show_rf_kill, store_rf_kill);
show_rf_kill     1815 drivers/net/wireless/intel/ipw2x00/ipw2200.c static DEVICE_ATTR(rf_kill, 0644, show_rf_kill, store_rf_kill);