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| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-11-19 17:02:14 +0900 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-11-19 17:02:14 +0900 |
| commit | 80da549e5225c6f80d45f76ba2b3a4574ed278ae (patch) | |
| tree | 59799c3d7b7d4a088abdfa3052c3682ed826ba7e /kernel/trace | |
| parent | f017eb299c3ac219215ce896718ea128ad9343eb (diff) | |
| parent | f4a75d2eb7b1e2206094b901be09adb31ba63681 (diff) | |
Merge tag 'v3.7-rc6' into asoc-wm2200
Linux 3.7-rc6
Diffstat (limited to 'kernel/trace')
| -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) |