ATH_STAT_INVALID
__set_bit(ATH_STAT_INVALID, ah->status);
if (unlikely(test_bit(ATH_STAT_INVALID, ah->status) ||
__set_bit(ATH_STAT_INVALID, ah->status);
__clear_bit(ATH_STAT_INVALID, ah->status);
test_bit(ATH_STAT_INVALID, ah->status));
if (!test_bit(ATH_STAT_INVALID, ah->status)) {
if (ret == 0 && !test_bit(ATH_STAT_INVALID, ah->status)) {