X-Git-Url: https://bbs.cooldavid.org/git/?a=blobdiff_plain;f=kernel%2Fpid.c;h=39b65b69584f5b0f373e360d6ecc3118751840a9;hb=4221a9918e38b7494cee341dda7b7b4bb8c04bde;hp=0f90c2f713f117d8de65baddb3fa561b51ddf240;hpb=394f99a9007d4274f7076bb8553ab0ff9707688b;p=net-next-2.6.git

diff --git a/kernel/pid.c b/kernel/pid.c
index 0f90c2f713f..39b65b69584 100644
--- 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);
 }