sin6_list
struct sin6_list *sin6_iter;
struct sin6_list *sin6_temp;
LIST_HEAD(sin6_list);
struct sin6_list *entry = kzalloc_obj(*entry, GFP_ATOMIC);
list_add_tail(&entry->list, &sin6_list);
list_for_each_entry_safe(sin6_iter, sin6_temp, &sin6_list, list) {