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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 936c621bbf4..1557148be34 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -1029,6 +1029,8 @@ static int replace_preds(struct event_subsystem *system,
if (elt->op == OP_AND || elt->op == OP_OR) {
pred = create_logical_pred(elt->op);
+ if (!pred)
+ return -ENOMEM;
if (call) {
err = filter_add_pred(ps, call, pred);
filter_free_pred(pred);
@@ -1048,6 +1050,8 @@ static int replace_preds(struct event_subsystem *system,
}
pred = create_pred(elt->op, operand1, operand2);
+ if (!pred)
+ return -ENOMEM;
if (call) {
err = filter_add_pred(ps, call, pred);
filter_free_pred(pred);