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| author | Ingo Molnar <mingo@kernel.org> | 2013-06-19 10:55:31 (GMT) |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2013-06-19 10:55:31 (GMT) |
| commit | d81344c50824a4d28a9397e97135d60075ac37ff (patch) | |
| tree | d25c443fb4a764cd788db857c49dd3d3f8f722d3 /kernel/trace/ring_buffer.c | |
| parent | 0de358f1c2642710d41190b73fbc295e675c4ab8 (diff) | |
| parent | 29bb9e5a75684106a37593ad75ec75ff8312731b (diff) | |
| download | linux-fsl-qoriq-d81344c50824a4d28a9397e97135d60075ac37ff.tar.xz | |
Merge branch 'sched/urgent' into sched/core
Merge in fixes before applying ongoing new work.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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 b59aea2..e444ff8 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; } |