diff options
| author | Grant Likely <grant.likely@secretlab.ca> | 2012-11-15 10:34:22 +0000 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2012-11-15 10:34:22 +0000 |
| commit | da63d20bfb12827dd7747a841ea27348af3abc0a (patch) | |
| tree | ba275a74d068f91b453c08b9bacf8afe9577db9b /kernel/trace/ring_buffer.c | |
| parent | 55020c8056a83ef2181e4cddd39cb2b9f4b88c5a (diff) | |
| parent | 77b67063bb6bce6d475e910d3b886a606d0d91f7 (diff) | |
Merge tag 'v3.7-rc5' into devicetree/next
Linux 3.7-rc5
Diffstat (limited to 'kernel/trace/ring_buffer.c')
| -rw-r--r-- | kernel/trace/ring_buffer.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index b32ed0e385a5..b979426d16c6 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -1567,6 +1567,10 @@ int ring_buffer_resize(struct ring_buffer *buffer, unsigned long size, put_online_cpus(); } else { + /* Make sure this CPU has been intitialized */ + if (!cpumask_test_cpu(cpu_id, buffer->cpumask)) + goto out; + cpu_buffer = buffer->buffers[cpu_id]; if (nr_pages == cpu_buffer->nr_pages) |