* Nonexistent graph nodes are tolerated.
*/
if (p == 0)
- return clib_error_return (0, "feature node '%s' not found", a_name);
+ {
+ clib_warning ("feature node '%s' not found", a_name);
+ continue;
+ }
a_index = p[0];
p = hash_get_mem (index_by_name, b_name);
if (p == 0)
- return clib_error_return (0, "feature node '%s' not found", b_name);
+ {
+ clib_warning ("feature node '%s' not found", b_name);
+ continue;
+ }
b_index = p[0];
/* add a before b to the original set of constraints */