net/core/dev.c

830  *	The device must be in %NETREG_REGISTERED state for lookup to succeed.
843 	if (!napi || READ_ONCE(napi->dev->reg_state) != NETREG_REGISTERED) {
1066 	if (dev->reg_state > NETREG_REGISTERED ||
1080 	if (dev->reg_state > NETREG_REGISTERED ||
3199 	if (dev->reg_state == NETREG_REGISTERED ||
3249 	if (dev->reg_state == NETREG_REGISTERED) {
11444 	WRITE_ONCE(dev->reg_state, ret ? NETREG_UNREGISTERED : NETREG_REGISTERED);
12002 	WARN_ON(dev->reg_state == NETREG_REGISTERED);
12382 		BUG_ON(dev->reg_state != NETREG_REGISTERED);
12536 	if (dev->reg_state != NETREG_REGISTERED) {
12623 	 * Note that dev->reg_state stays at NETREG_REGISTERED.