diff --git a/kernel/trace/bpf_trace.c b/kernel/trace/bpf_trace.c
index b65011d..e7685c5 100644
--- a/kernel/trace/bpf_trace.c
+++ b/kernel/trace/bpf_trace.c

@@ -767,20 +767,19 @@ int perf_event_attach_bpf_prog(struct perf_event *event,
 	mutex_lock(&bpf_event_mutex);
 
 	if (event->prog)
-		goto out;
+		goto unlock;
 
-	old_array = rcu_dereference_protected(event->tp_event->prog_array,
-					      lockdep_is_held(&bpf_event_mutex));
+	old_array = event->tp_event->prog_array;
 	ret = bpf_prog_array_copy(old_array, NULL, prog, &new_array);
 	if (ret < 0)
-		goto out;
+		goto unlock;
 
 	/* set the new array to event->tp_event and set event->prog */
 	event->prog = prog;
 	rcu_assign_pointer(event->tp_event->prog_array, new_array);
 	bpf_prog_array_free(old_array);
 
-out:
+unlock:
 	mutex_unlock(&bpf_event_mutex);
 	return ret;
 }

@@ -794,11 +793,9 @@ void perf_event_detach_bpf_prog(struct perf_event *event)
 	mutex_lock(&bpf_event_mutex);
 
 	if (!event->prog)
-		goto out;
-
-	old_array = rcu_dereference_protected(event->tp_event->prog_array,
-					      lockdep_is_held(&bpf_event_mutex));
+		goto unlock;
 
+	old_array = event->tp_event->prog_array;
 	ret = bpf_prog_array_copy(old_array, event->prog, NULL, &new_array);
 	if (ret < 0) {
 		bpf_prog_array_delete_safe(old_array, event->prog);

@@ -810,6 +807,6 @@ void perf_event_detach_bpf_prog(struct perf_event *event)
 	bpf_prog_put(event->prog);
 	event->prog = NULL;
 
-out:
+unlock:
 	mutex_unlock(&bpf_event_mutex);
 }

-- 
2.9.5