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| author | Olof Johansson <olof@lixom.net> | 2013-06-12 16:50:10 -0700 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2013-06-12 16:50:10 -0700 |
| commit | ff299f1b1cb4e0c44a3f76d1f8ee4eb2f64f098f (patch) | |
| tree | 9e4d85cfc0c5a8394bc1fcafd7c406c5ac558c70 /kernel/trace/ring_buffer.c | |
| parent | 7d428ce284fce4aacb215ca15d0274e7261864a3 (diff) | |
| parent | ae7b6dccf6711e8d5815688f1572ab55bf5b3069 (diff) | |
| download | cachepc-linux-ff299f1b1cb4e0c44a3f76d1f8ee4eb2f64f098f.tar.gz cachepc-linux-ff299f1b1cb4e0c44a3f76d1f8ee4eb2f64f098f.zip | |
Merge tag 's3c24xx-driver-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/drivers
From Kukjin Kim, driver updats for s3c24xx:
- move cpufreq driver into drivers/
- add pinctrl-s3c24xx driver
- cleanup OF in gpio driver
Signed-off-by: Olof Johansson <olof@lixom.net>
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; } |