diff options
| -rw-r--r-- | kernel/events/ring_buffer.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/events/ring_buffer.c b/kernel/events/ring_buffer.c index 485cf0a66631..8cadf97bc290 100644 --- a/kernel/events/ring_buffer.c +++ b/kernel/events/ring_buffer.c @@ -682,6 +682,9 @@ int rb_alloc_aux(struct perf_buffer *rb, struct perf_event *event, if (!has_aux(event)) return -EOPNOTSUPP; + if (nr_pages <= 0) + return -EINVAL; + if (!overwrite) { /* * Watermark defaults to half the buffer, and so does the |