467 	struct fib6_node *pn = NULL;  in fib6_add_1()  local
519 		pn = fn;  in fib6_add_1()
550 	ln->parent = pn;  in fib6_add_1()
554 		pn->right = ln;  in fib6_add_1()
556 		pn->left  = ln;  in fib6_add_1()
570 	pn = fn->parent;  in fib6_add_1()
607 		in->parent = pn;  in fib6_add_1()
615 			pn->right = in;  in fib6_add_1()
617 			pn->left  = in;  in fib6_add_1()
648 		ln->parent = pn;  in fib6_add_1()
653 			pn->right = ln;  in fib6_add_1()
655 			pn->left  = ln;  in fib6_add_1()
946 	struct fib6_node *fn, *pn = NULL;  in fib6_add()  local
974 	pn = fn;  in fib6_add()
1047 			fib6_prune_clones(info->nl_net, pn);  in fib6_add()
1058 		if (pn != fn && pn->leaf == rt) {  in fib6_add()
1059 			pn->leaf = NULL;  in fib6_add()
1062 		if (pn != fn && !pn->leaf && !(pn->fn_flags & RTN_RTINFO)) {  in fib6_add()
1063 			pn->leaf = fib6_find_prefix(info->nl_net, pn);  in fib6_add()
1065 			if (!pn->leaf) {  in fib6_add()
1066 				WARN_ON(pn->leaf == NULL);  in fib6_add()
1067 				pn->leaf = info->nl_net->ipv6.ip6_null_entry;  in fib6_add()
1070 			atomic_inc(&pn->leaf->rt6i_ref);  in fib6_add()
1283 	struct fib6_node *child, *pn;  in fib6_repair_tree()  local
1319 		pn = fn->parent;  in fib6_repair_tree()
1321 		if (FIB6_SUBTREE(pn) == fn) {  in fib6_repair_tree()
1323 			FIB6_SUBTREE(pn) = NULL;  in fib6_repair_tree()
1328 			if (pn->right == fn)  in fib6_repair_tree()
1329 				pn->right = child;  in fib6_repair_tree()
1330 			else if (pn->left == fn)  in fib6_repair_tree()
1331 				pn->left = child;  in fib6_repair_tree()
1337 				child->parent = pn;  in fib6_repair_tree()
1351 					w->node = pn;  in fib6_repair_tree()
1374 		if (pn->fn_flags & RTN_RTINFO || FIB6_SUBTREE(pn))  in fib6_repair_tree()
1375 			return pn;  in fib6_repair_tree()
1377 		rt6_release(pn->leaf);  in fib6_repair_tree()
1378 		pn->leaf = NULL;  in fib6_repair_tree()
1379 		fn = pn;  in fib6_repair_tree()
1458 		struct fib6_node *pn = fn;  in fib6_del()  local
1462 			while (!(pn->fn_flags & RTN_ROOT))  in fib6_del()
1463 				pn = pn->parent;  in fib6_del()
1464 			pn = pn->parent;  in fib6_del()
1467 		fib6_prune_clones(info->nl_net, pn);  in fib6_del()
1509 	struct fib6_node *fn, *pn;  in fib6_walk_continue()  local
1566 			pn = fn->parent;  in fib6_walk_continue()
1567 			w->node = pn;  in fib6_walk_continue()
1569 			if (FIB6_SUBTREE(pn) == fn) {  in fib6_walk_continue()
1575 			if (pn->left == fn) {  in fib6_walk_continue()
1579 			if (pn->right == fn) {  in fib6_walk_continue()