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-rw-r--r--kernel/trace/trace_events_filter.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index 7f2e97ce71a7..2900d7723d97 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -1385,7 +1385,9 @@ static int check_preds(struct filter_parse_state *ps)
1385 if (elt->op != OP_NOT) 1385 if (elt->op != OP_NOT)
1386 cnt--; 1386 cnt--;
1387 n_normal_preds++; 1387 n_normal_preds++;
1388 WARN_ON_ONCE(cnt < 0); 1388 /* all ops should have operands */
1389 if (cnt < 0)
1390 break;
1389 } 1391 }
1390 1392
1391 if (cnt != 1 || !n_normal_preds || n_logical_preds >= n_normal_preds) { 1393 if (cnt != 1 || !n_normal_preds || n_logical_preds >= n_normal_preds) {