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-rw-r--r--kernel/trace/trace_events_filter.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events_filter.c
index e6a33db8385..ced69da0ff5 100644
--- a/kernel/trace/trace_events_filter.c
+++ b/kernel/trace/trace_events_filter.c
@@ -489,9 +489,10 @@ static int process_ops(struct filter_pred *preds,
if (!WARN_ON_ONCE(!pred->fn))
match = pred->fn(pred, rec);
if (!!match == type)
- return match;
+ break;
}
- return match;
+ /* If not of not match is equal to not of not, then it is a match */
+ return !!match == !op->not;
}
struct filter_match_preds_data {
@@ -740,10 +741,10 @@ static int filter_set_pred(struct event_filter *filter,
* then this op can be folded.
*/
if (left->index & FILTER_PRED_FOLD &&
- (left->op == dest->op ||
+ ((left->op == dest->op && !left->not) ||
left->left == FILTER_PRED_INVALID) &&
right->index & FILTER_PRED_FOLD &&
- (right->op == dest->op ||
+ ((right->op == dest->op && !right->not) ||
right->left == FILTER_PRED_INVALID))
dest->index |= FILTER_PRED_FOLD;