DEVICE_STATE_SCANNING
if (test_bit(DEVICE_STATE_SCANNING, &rt2x00dev->flags))
if (!test_bit(DEVICE_STATE_SCANNING, &rt2x00dev->flags)) {
if (test_bit(DEVICE_STATE_SCANNING, &rt2x00dev->flags))
test_bit(DEVICE_STATE_SCANNING, &rt2x00dev->flags))
set_bit(DEVICE_STATE_SCANNING, &rt2x00dev->flags);
clear_bit(DEVICE_STATE_SCANNING, &rt2x00dev->flags);