diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index 77edad4f0879ee1f505a666b1e55a9d5fe527995..1e99e333b377050bb2bffa4ace0783f5993a3f37 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -78,9 +78,7 @@ void __ptrace_link(struct task_struct *child, struct task_struct *new_parent,
  */
 static void ptrace_link(struct task_struct *child, struct task_struct *new_parent)
 {
-	rcu_read_lock();
-	__ptrace_link(child, new_parent, __task_cred(new_parent));
-	rcu_read_unlock();
+	__ptrace_link(child, new_parent, current_cred());
 }
 
 /**