nf_queue_handler
void nf_register_queue_handler(const struct nf_queue_handler *qh);
struct nf_queue_handler;
const struct nf_queue_handler *qh;
qh = rcu_dereference(nf_queue_handler);
const struct nf_queue_handler *qh;
qh = rcu_dereference(nf_queue_handler);
static const struct nf_queue_handler __rcu *nf_queue_handler;
void nf_register_queue_handler(const struct nf_queue_handler *qh)
WARN_ON(rcu_access_pointer(nf_queue_handler));
rcu_assign_pointer(nf_queue_handler, qh);
RCU_INIT_POINTER(nf_queue_handler, NULL);
static const struct nf_queue_handler nfqh = {