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-rw-r--r--kernel/trace/trace_events_filter.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index b6c910642a1..2f5458e244a 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -1388,6 +1388,10 @@ int apply_event_filter(struct ftrace_event_call *call, char *filter_string)
if (!strcmp(strstrip(filter_string), "0")) {
filter_disable_preds(call);
+ reset_preds(call->filter);
+ /* Make sure the filter is not being used */
+ synchronize_sched();
+ __free_preds(call->filter);
remove_filter_string(call->filter);
goto out_unlock;
}