OSF_ATTR_FINGER
[OSF_ATTR_FINGER] = NLA_POLICY_EXACT_LEN(sizeof(struct nf_osf_user_finger)),
if (!osf_attrs[OSF_ATTR_FINGER])
f = nla_data(osf_attrs[OSF_ATTR_FINGER]);
if (!osf_attrs[OSF_ATTR_FINGER])
f = nla_data(osf_attrs[OSF_ATTR_FINGER]);