struct ofputil_flow_mod *, struct ofpbuf *ofpacts);
void learn_mask(const struct ofpact_learn *, struct flow_wildcards *);
-char *learn_parse(char *, struct ofpbuf *ofpacts) WARN_UNUSED_RESULT;
+char *learn_parse(char *, struct ofpbuf *ofpacts) OVS_WARN_UNUSED_RESULT;
void learn_format(const struct ofpact_learn *, struct ds *);
#endif /* learn.h */