1 files changed, 6 insertions, 1 deletions

diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index 36d40104b17f..7275f0310ed8 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -383,9 +383,14 @@ int filter_match_preds(struct event_filter *filter, void *rec)
         int match, top = 0, val1 = 0, val2 = 0;
         int stack[MAX_FILTER_PRED];
         struct filter_pred *pred;
+        int n_preds = ACCESS_ONCE(filter->n_preds);
         int i;
 
-        for (i = 0; i < filter->n_preds; i++) {
+        /* no filter is considered a match */
+        if (!n_preds)
+                return 1;
+
+        for (i = 0; i < n_preds; i++) {
                 pred = filter->preds[i];
                 if (!pred->pop_n) {
                         match = pred->fn(pred, rec, val1, val2);