144 	struct mpls_dev *mdev;  in mpls_forward()  local
152 	mdev = mpls_dev_get(dev);  in mpls_forward()
153 	if (!mdev || !mdev->input_enabled)  in mpls_forward()
456 				    struct mpls_dev *mdev)  in mpls_dev_sysctl_register()  argument
470 		table[i].data = (char *)mdev + (uintptr_t)table[i].data;  in mpls_dev_sysctl_register()
474 	mdev->sysctl = register_net_sysctl(dev_net(dev), path, table);  in mpls_dev_sysctl_register()
475 	if (!mdev->sysctl)  in mpls_dev_sysctl_register()
486 static void mpls_dev_sysctl_unregister(struct mpls_dev *mdev)  in mpls_dev_sysctl_unregister()  argument
490 	table = mdev->sysctl->ctl_table_arg;  in mpls_dev_sysctl_unregister()
491 	unregister_net_sysctl_table(mdev->sysctl);  in mpls_dev_sysctl_unregister()
497 	struct mpls_dev *mdev;  in mpls_add_dev()  local
502 	mdev = kzalloc(sizeof(*mdev), GFP_KERNEL);  in mpls_add_dev()
503 	if (!mdev)  in mpls_add_dev()
506 	err = mpls_dev_sysctl_register(dev, mdev);  in mpls_add_dev()
510 	rcu_assign_pointer(dev->mpls_ptr, mdev);  in mpls_add_dev()
512 	return mdev;  in mpls_add_dev()
515 	kfree(mdev);  in mpls_add_dev()
523 	struct mpls_dev *mdev;  in mpls_ifdown()  local
536 	mdev = mpls_dev_get(dev);  in mpls_ifdown()
537 	if (!mdev)  in mpls_ifdown()
540 	mpls_dev_sysctl_unregister(mdev);  in mpls_ifdown()
544 	kfree_rcu(mdev, rcu);  in mpls_ifdown()
551 	struct mpls_dev *mdev;  in mpls_dev_notify()  local
558 			mdev = mpls_add_dev(dev);  in mpls_dev_notify()
559 			if (IS_ERR(mdev))  in mpls_dev_notify()
560 				return notifier_from_errno(PTR_ERR(mdev));  in mpls_dev_notify()
568 		mdev = mpls_dev_get(dev);  in mpls_dev_notify()
569 		if (mdev) {  in mpls_dev_notify()
572 			mpls_dev_sysctl_unregister(mdev);  in mpls_dev_notify()
573 			err = mpls_dev_sysctl_register(dev, mdev);  in mpls_dev_notify()