* Timer for checking the defense
*/
#define DEFENSE_TIMER_PERIOD 1*HZ
-static void defense_work_handler(void *data);
-static DECLARE_WORK(defense_work, defense_work_handler, NULL);
+static void defense_work_handler(struct work_struct *work);
+static DECLARE_DELAYED_WORK(defense_work, defense_work_handler);
-static void defense_work_handler(void *data)
+static void defense_work_handler(struct work_struct *work)
{
update_defense_level();
if (atomic_read(&ip_vs_dropentry))