75     struct rb_test_node *prev = NULL;  in validate_tree_order()  local
88             assert(prev == NULL || prev < n);  in validate_tree_order()
91         prev = n;  in validate_tree_order()
96     prev = NULL;  in validate_tree_order()
109             assert(prev == NULL || prev < n);  in validate_tree_order()
112         prev = n;  in validate_tree_order()
117     prev = NULL;  in validate_tree_order()
130             assert(prev == NULL || prev > n);  in validate_tree_order()
133         prev = n;  in validate_tree_order()
138     prev = NULL;  in validate_tree_order()
151             assert(prev == NULL || prev > n);  in validate_tree_order()
154         prev = n;  in validate_tree_order()
198             struct rb_node *prev = rb_node_prev(n);  in validate_search()  local
199             if (prev != NULL) {  in validate_search()
201                     rb_node_data(struct rb_test_node, prev, node);  in validate_search()