232 	struct mpls_dev *mdev;  in mpls_forward()  local
240 	mdev = mpls_dev_get(dev);  in mpls_forward()
241 	if (!mdev || !mdev->input_enabled)  in mpls_forward()
831 				    struct mpls_dev *mdev)  in mpls_dev_sysctl_register()  argument
845 		table[i].data = (char *)mdev + (uintptr_t)table[i].data;  in mpls_dev_sysctl_register()
849 	mdev->sysctl = register_net_sysctl(dev_net(dev), path, table);  in mpls_dev_sysctl_register()
850 	if (!mdev->sysctl)  in mpls_dev_sysctl_register()
861 static void mpls_dev_sysctl_unregister(struct mpls_dev *mdev)  in mpls_dev_sysctl_unregister()  argument
865 	table = mdev->sysctl->ctl_table_arg;  in mpls_dev_sysctl_unregister()
866 	unregister_net_sysctl_table(mdev->sysctl);  in mpls_dev_sysctl_unregister()
872 	struct mpls_dev *mdev;  in mpls_add_dev()  local
877 	mdev = kzalloc(sizeof(*mdev), GFP_KERNEL);  in mpls_add_dev()
878 	if (!mdev)  in mpls_add_dev()
881 	err = mpls_dev_sysctl_register(dev, mdev);  in mpls_add_dev()
885 	rcu_assign_pointer(dev->mpls_ptr, mdev);  in mpls_add_dev()
887 	return mdev;  in mpls_add_dev()
890 	kfree(mdev);  in mpls_add_dev()
898 	struct mpls_dev *mdev;  in mpls_ifdown()  local
913 	mdev = mpls_dev_get(dev);  in mpls_ifdown()
914 	if (!mdev)  in mpls_ifdown()
917 	mpls_dev_sysctl_unregister(mdev);  in mpls_ifdown()
921 	kfree_rcu(mdev, rcu);  in mpls_ifdown()
928 	struct mpls_dev *mdev;  in mpls_dev_notify()  local
935 			mdev = mpls_add_dev(dev);  in mpls_dev_notify()
936 			if (IS_ERR(mdev))  in mpls_dev_notify()
937 				return notifier_from_errno(PTR_ERR(mdev));  in mpls_dev_notify()
945 		mdev = mpls_dev_get(dev);  in mpls_dev_notify()
946 		if (mdev) {  in mpls_dev_notify()
949 			mpls_dev_sysctl_unregister(mdev);  in mpls_dev_notify()
950 			err = mpls_dev_sysctl_register(dev, mdev);  in mpls_dev_notify()