FEAT_UNKNOWN      192 net/dccp/feat.c 		return FEAT_UNKNOWN;
FEAT_UNKNOWN      393 net/dccp/feat.c 	if (type == FEAT_UNKNOWN)
FEAT_UNKNOWN     1105 net/dccp/feat.c 	if (len == 0 || type == FEAT_UNKNOWN)		/* 6.1 and 6.6.8 */
FEAT_UNKNOWN     1218 net/dccp/feat.c 		if (is_mandatory && type == FEAT_UNKNOWN)
FEAT_UNKNOWN     1317 net/dccp/feat.c 	if (type == FEAT_UNKNOWN) {