nf_br_ops
const struct nf_br_ops __rcu *nf_br_ops __read_mostly;
EXPORT_SYMBOL_GPL(nf_br_ops);
const struct nf_br_ops *nf_ops;
nf_ops = rcu_dereference(nf_br_ops);
static const struct nf_br_ops br_ops = {
RCU_INIT_POINTER(nf_br_ops, &br_ops);
RCU_INIT_POINTER(nf_br_ops, NULL);
extern const struct nf_br_ops __rcu *nf_br_ops;