CDEV_STATE_UP
if (!test_bit(CDEV_STATE_UP, &cdev->flags)) {
if (!test_bit(CDEV_STATE_UP, &cdev->flags)) {
if (!test_bit(CDEV_STATE_UP, &cdev->flags))
if (!test_bit(CDEV_STATE_UP, &cdev->flags))
if (!test_bit(CDEV_STATE_UP, &cdev->flags)) {
set_bit(CDEV_STATE_UP, &cdev->flags);
clear_bit(CDEV_STATE_UP, &cdev->flags);
clear_bit(CDEV_STATE_UP, &cdev->flags);