AF2_DEV_SCAN
&& !test_and_set_bit(AF2_DEV_SCAN, &a->flags2)) {
if (!test_and_set_bit(AF2_DEV_SCAN, &a->flags2)) {
if (!test_and_set_bit(AF2_DEV_SCAN, &a->flags2)) {
clear_bit(AF2_DEV_SCAN, &a->flags2);