1 files changed, 3 insertions, 1 deletions

diff --git a/kernel/trace/trace_event_perf.c b/kernel/trace/trace_event_perf.c
index fdeeb5c49627..fee3752ae8f6 100644
--- a/kernel/trace/trace_event_perf.c
+++ b/kernel/trace/trace_event_perf.c
@@ -298,7 +298,9 @@ static int perf_ftrace_function_register(struct perf_event *event)
 static int perf_ftrace_function_unregister(struct perf_event *event)
 {
         struct ftrace_ops *ops = &event->ftrace_ops;
-        return unregister_ftrace_function(ops);
+        int ret = unregister_ftrace_function(ops);
+        ftrace_free_filter(ops);
+        return ret;
 }
 
 static void perf_ftrace_function_enable(struct perf_event *event)