839 static void find_rr_leaf(struct fib6_node *fn, struct fib6_info *leaf,  in find_rr_leaf()  argument
860 static void rt6_select(struct net *net, struct fib6_node *fn, int oif,  in rt6_select()  argument
863 	struct fib6_info *leaf = rcu_dereference(fn->leaf);  in rt6_select()
874 	rt0 = rcu_dereference(fn->rr_ptr);  in rt6_select()
888 	if (fn->fn_bit != key_plen)  in rt6_select()
891 	find_rr_leaf(fn, leaf, rt0, oif, strict, &do_rr, res);  in rt6_select()
903 				rcu_assign_pointer(fn->rr_ptr, next);  in rt6_select()
1138 static struct fib6_node* fib6_backtrack(struct fib6_node *fn,  in fib6_backtrack()  argument
1143 		if (fn->fn_flags & RTN_TL_ROOT)  in fib6_backtrack()
1145 		pn = rcu_dereference(fn->parent);  in fib6_backtrack()
1147 		if (sn && sn != fn)  in fib6_backtrack()
1148 			fn = fib6_node_lookup(sn, NULL, saddr);  in fib6_backtrack()
1150 			fn = pn;  in fib6_backtrack()
1151 		if (fn->fn_flags & RTN_RTINFO)  in fib6_backtrack()
1152 			return fn;  in fib6_backtrack()
1206 	struct fib6_node *fn;  in ip6_pol_route_lookup()  local
1213 	fn = fib6_node_lookup(&table->tb6_root, &fl6->daddr, &fl6->saddr);  in ip6_pol_route_lookup()
1215 	res.f6i = rcu_dereference(fn->leaf);  in ip6_pol_route_lookup()
1223 		fn = fib6_backtrack(fn, &fl6->saddr);  in ip6_pol_route_lookup()
1224 		if (fn)  in ip6_pol_route_lookup()
2176 	struct fib6_node *fn, *saved_fn;  in fib6_table_lookup()  local
2178 	fn = fib6_node_lookup(&table->tb6_root, &fl6->daddr, &fl6->saddr);  in fib6_table_lookup()
2179 	saved_fn = fn;  in fib6_table_lookup()
2185 	rt6_select(net, fn, oif, res, strict);  in fib6_table_lookup()
2187 		fn = fib6_backtrack(fn, &fl6->saddr);  in fib6_table_lookup()
2188 		if (fn)  in fib6_table_lookup()
2193 			fn = saved_fn;  in fib6_table_lookup()
2799 			struct fib6_node *fn;  in ip6_link_failure()  local
2803 				fn = rcu_dereference(from->fib6_node);  in ip6_link_failure()
2804 				if (fn && (rt->rt6i_flags & RTF_DEFAULT))  in ip6_link_failure()
2805 					WRITE_ONCE(fn->fn_sernum, -1);  in ip6_link_failure()
3057 	struct fib6_node *fn;  in __ip6_route_redirect()  local
3076 	fn = fib6_node_lookup(&table->tb6_root, &fl6->daddr, &fl6->saddr);  in __ip6_route_redirect()
3078 	for_each_fib6_node_rt_rcu(fn) {  in __ip6_route_redirect()
3108 		fn = fib6_backtrack(fn, &fl6->saddr);  in __ip6_route_redirect()
3109 		if (fn)  in __ip6_route_redirect()
3924 		struct fib6_node *fn;  in __ip6_del_rt_siblings()  local
3946 		fn = rcu_dereference_protected(rt->fib6_node,  in __ip6_del_rt_siblings()
3948 		if (rcu_access_pointer(fn->leaf) == rt) {  in __ip6_del_rt_siblings()
4049 	struct fib6_node *fn;  in ip6_route_del()  local
4060 	fn = fib6_locate(&table->tb6_root,  in ip6_route_del()
4065 	if (fn) {  in ip6_route_del()
4066 		for_each_fib6_node_rt_rcu(fn) {  in ip6_route_del()
4281 	struct fib6_node *fn;  in rt6_get_route_info()  local
4290 	fn = fib6_locate(&table->tb6_root, prefix, prefixlen, NULL, 0, true);  in rt6_get_route_info()
4291 	if (!fn)  in rt6_get_route_info()
4294 	for_each_fib6_node_rt_rcu(fn) {  in rt6_get_route_info()
4660 	struct fib6_node *fn;  in rt6_multipath_first_sibling()  local
4662 	fn = rcu_dereference_protected(rt->fib6_node,  in rt6_multipath_first_sibling()
4664 	iter = rcu_dereference_protected(fn->leaf,  in rt6_multipath_first_sibling()
5191 	struct fib6_node *fn;  in ip6_route_mpath_should_notify()  local
5194 	fn = rcu_dereference(rt->fib6_node);  in ip6_route_mpath_should_notify()
5195 	if (!fn)  in ip6_route_mpath_should_notify()
5198 	leaf = rcu_dereference(fn->leaf);  in ip6_route_mpath_should_notify()