nf_nat_helper_put  179 include/net/netfilter/nf_conntrack_helper.h void nf_nat_helper_put(struct nf_conntrack_helper *helper);
nf_nat_helper_put  196 net/netfilter/nf_conntrack_helper.c EXPORT_SYMBOL_GPL(nf_nat_helper_put);
nf_nat_helper_put 1837 net/openvswitch/conntrack.c 			nf_nat_helper_put(ct_info->helper);