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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-06-08 21:23:33 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-06-08 21:23:33 -0700 |
| commit | 1ba7055af26f008e8fc8dab9dcb1701534afbe16 (patch) | |
| tree | 6156556f56eba8ebc6d50639fbc8329f5ad078a2 /kernel/trace/ring_buffer.c | |
| parent | f0f6b80368133411414762d1ce42d983ff618c95 (diff) | |
| parent | 317ddd256b9c24b0d78fa8018f80f1e495481a10 (diff) | |
Merge 3.10-rc5 into tty-next
Diffstat (limited to 'kernel/trace/ring_buffer.c')
| -rw-r--r-- | kernel/trace/ring_buffer.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index b59aea2c48c2..e444ff88f0a4 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -620,6 +620,9 @@ int ring_buffer_poll_wait(struct ring_buffer *buffer, int cpu, if (cpu == RING_BUFFER_ALL_CPUS) work = &buffer->irq_work; else { + if (!cpumask_test_cpu(cpu, buffer->cpumask)) + return -EINVAL; + cpu_buffer = buffer->buffers[cpu]; work = &cpu_buffer->irq_work; } |