might_sleep();
+ task_lock(p);
ns = p->nsproxy;
+ p->nsproxy = new;
+ task_unlock(p);
- rcu_assign_pointer(p->nsproxy, new);
-
- if (ns && atomic_dec_and_test(&ns->count)) {
- /*
- * wait for others to get what they want from this nsproxy.
- *
- * cannot release this nsproxy via the call_rcu() since
- * put_mnt_ns() will want to sleep
- */
- synchronize_rcu();
+ if (ns && atomic_dec_and_test(&ns->count))
free_nsproxy(ns);
- }
}
void exit_task_namespaces(struct task_struct *p)