426 	struct fib6_node *pn = NULL;  in fib6_add_1()  local
478 		pn = fn;  in fib6_add_1()
509 	ln->parent = pn;  in fib6_add_1()
513 		pn->right = ln;  in fib6_add_1()
515 		pn->left  = ln;  in fib6_add_1()
529 	pn = fn->parent;  in fib6_add_1()
566 		in->parent = pn;  in fib6_add_1()
574 			pn->right = in;  in fib6_add_1()
576 			pn->left  = in;  in fib6_add_1()
607 		ln->parent = pn;  in fib6_add_1()
612 			pn->right = ln;  in fib6_add_1()
614 			pn->left  = ln;  in fib6_add_1()
904 	struct fib6_node *fn, *pn = NULL;  in fib6_add()  local
928 	pn = fn;  in fib6_add()
1001 			fib6_prune_clones(info->nl_net, pn);  in fib6_add()
1011 		if (pn != fn && pn->leaf == rt) {  in fib6_add()
1012 			pn->leaf = NULL;  in fib6_add()
1015 		if (pn != fn && !pn->leaf && !(pn->fn_flags & RTN_RTINFO)) {  in fib6_add()
1016 			pn->leaf = fib6_find_prefix(info->nl_net, pn);  in fib6_add()
1018 			if (!pn->leaf) {  in fib6_add()
1019 				WARN_ON(pn->leaf == NULL);  in fib6_add()
1020 				pn->leaf = info->nl_net->ipv6.ip6_null_entry;  in fib6_add()
1023 			atomic_inc(&pn->leaf->rt6i_ref);  in fib6_add()
1234 	struct fib6_node *child, *pn;  in fib6_repair_tree()  local
1270 		pn = fn->parent;  in fib6_repair_tree()
1272 		if (FIB6_SUBTREE(pn) == fn) {  in fib6_repair_tree()
1274 			FIB6_SUBTREE(pn) = NULL;  in fib6_repair_tree()
1279 			if (pn->right == fn)  in fib6_repair_tree()
1280 				pn->right = child;  in fib6_repair_tree()
1281 			else if (pn->left == fn)  in fib6_repair_tree()
1282 				pn->left = child;  in fib6_repair_tree()
1288 				child->parent = pn;  in fib6_repair_tree()
1302 					w->node = pn;  in fib6_repair_tree()
1325 		if (pn->fn_flags & RTN_RTINFO || FIB6_SUBTREE(pn))  in fib6_repair_tree()
1326 			return pn;  in fib6_repair_tree()
1328 		rt6_release(pn->leaf);  in fib6_repair_tree()
1329 		pn->leaf = NULL;  in fib6_repair_tree()
1330 		fn = pn;  in fib6_repair_tree()
1409 		struct fib6_node *pn = fn;  in fib6_del()  local
1413 			while (!(pn->fn_flags & RTN_ROOT))  in fib6_del()
1414 				pn = pn->parent;  in fib6_del()
1415 			pn = pn->parent;  in fib6_del()
1418 		fib6_prune_clones(info->nl_net, pn);  in fib6_del()
1460 	struct fib6_node *fn, *pn;  in fib6_walk_continue()  local
1517 			pn = fn->parent;  in fib6_walk_continue()
1518 			w->node = pn;  in fib6_walk_continue()
1520 			if (FIB6_SUBTREE(pn) == fn) {  in fib6_walk_continue()
1526 			if (pn->left == fn) {  in fib6_walk_continue()
1530 			if (pn->right == fn) {  in fib6_walk_continue()