Add RCU check for find_task_by_vpid().

[net-next-2.6.git] / kernel / pid.c

diff --git a/kernel/pid.c b/kernel/pid.c
index 0f90c2f713f117d8de65baddb3fa561b51ddf240..39b65b69584f5b0f373e360d6ecc3118751840a9 100644 (file)
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -416,6 +416,7 @@ EXPORT_SYMBOL(pid_task);
  */
 struct task_struct *find_task_by_pid_ns(pid_t nr, struct pid_namespace *ns)
 {
+       rcu_lockdep_assert(rcu_read_lock_held());
        return pid_task(find_pid_ns(nr, ns), PIDTYPE_PID);
 }