diff options
Diffstat (limited to 'kernel/trace/ring_buffer_benchmark.c')
| -rw-r--r-- | kernel/trace/ring_buffer_benchmark.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/trace/ring_buffer_benchmark.c b/kernel/trace/ring_buffer_benchmark.c index 747244acb8fd..dcd75e9e49f4 100644 --- a/kernel/trace/ring_buffer_benchmark.c +++ b/kernel/trace/ring_buffer_benchmark.c @@ -84,6 +84,9 @@ static enum event_status read_page(int cpu) int i; bpage = ring_buffer_alloc_read_page(buffer); + if (!bpage) + return EVENT_DROPPED; + ret = ring_buffer_read_page(buffer, &bpage, PAGE_SIZE, cpu, 1); if (ret >= 0) { rpage = bpage; |