static void __exit ip_nat_tftp_fini(void)
{
- ip_nat_tftp_hook = NULL;
- /* Make sure noone calls it, meanwhile. */
- synchronize_net();
+ rcu_assign_pointer(ip_nat_tftp_hook, NULL);
+ synchronize_rcu();
}
static int __init ip_nat_tftp_init(void)
{
- BUG_ON(ip_nat_tftp_hook);
- ip_nat_tftp_hook = help;
+ BUG_ON(rcu_dereference(ip_nat_tftp_hook));
+ rcu_assign_pointer(ip_nat_tftp_hook, help);
return 0;
}