434 	struct fib6_node *pn = NULL;  in fib6_add_1()  local
487 		pn = fn;  in fib6_add_1()
518 	ln->parent = pn;  in fib6_add_1()
522 		pn->right = ln;  in fib6_add_1()
524 		pn->left  = ln;  in fib6_add_1()
538 	pn = fn->parent;  in fib6_add_1()
575 		in->parent = pn;  in fib6_add_1()
583 			pn->right = in;  in fib6_add_1()
585 			pn->left  = in;  in fib6_add_1()
616 		ln->parent = pn;  in fib6_add_1()
621 			pn->right = ln;  in fib6_add_1()
623 			pn->left  = ln;  in fib6_add_1()
804 	struct fib6_node *fn, *pn = NULL;  in fib6_add()  local
827 	pn = fn;  in fib6_add()
900 			fib6_prune_clones(info->nl_net, pn, rt);  in fib6_add()
910 		if (pn != fn && pn->leaf == rt) {  in fib6_add()
911 			pn->leaf = NULL;  in fib6_add()
914 		if (pn != fn && !pn->leaf && !(pn->fn_flags & RTN_RTINFO)) {  in fib6_add()
915 			pn->leaf = fib6_find_prefix(info->nl_net, pn);  in fib6_add()
917 			if (!pn->leaf) {  in fib6_add()
918 				WARN_ON(pn->leaf == NULL);  in fib6_add()
919 				pn->leaf = info->nl_net->ipv6.ip6_null_entry;  in fib6_add()
922 			atomic_inc(&pn->leaf->rt6i_ref);  in fib6_add()
1125 	struct fib6_node *child, *pn;  in fib6_repair_tree()  local
1159 		pn = fn->parent;  in fib6_repair_tree()
1161 		if (FIB6_SUBTREE(pn) == fn) {  in fib6_repair_tree()
1163 			FIB6_SUBTREE(pn) = NULL;  in fib6_repair_tree()
1168 			if (pn->right == fn) pn->right = child;  in fib6_repair_tree()
1169 			else if (pn->left == fn) pn->left = child;  in fib6_repair_tree()
1175 				child->parent = pn;  in fib6_repair_tree()
1189 					w->node = pn;  in fib6_repair_tree()
1212 		if (pn->fn_flags & RTN_RTINFO || FIB6_SUBTREE(pn))  in fib6_repair_tree()
1213 			return pn;  in fib6_repair_tree()
1215 		rt6_release(pn->leaf);  in fib6_repair_tree()
1216 		pn->leaf = NULL;  in fib6_repair_tree()
1217 		fn = pn;  in fib6_repair_tree()
1313 		struct fib6_node *pn = fn;  in fib6_del()  local
1317 			while (!(pn->fn_flags & RTN_ROOT))  in fib6_del()
1318 				pn = pn->parent;  in fib6_del()
1319 			pn = pn->parent;  in fib6_del()
1322 		fib6_prune_clones(info->nl_net, pn, rt);  in fib6_del()
1364 	struct fib6_node *fn, *pn;  in fib6_walk_continue()  local
1420 			pn = fn->parent;  in fib6_walk_continue()
1421 			w->node = pn;  in fib6_walk_continue()
1423 			if (FIB6_SUBTREE(pn) == fn) {  in fib6_walk_continue()
1429 			if (pn->left == fn) {  in fib6_walk_continue()
1433 			if (pn->right == fn) {  in fib6_walk_continue()