diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 874f289..f804b40 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -2898,6 +2898,10 @@
 	else
 		cpumask_clear_cpu(iter->cpu_file, tracing_reader_cpumask);
 
+
+	if (iter->trace->pipe_open)
+		iter->trace->pipe_close(iter);
+
 	mutex_unlock(&trace_types_lock);
 
 	free_cpumask_var(iter->started);