diff options
| author | Tony Lindgren <tony@atomide.com> | 2013-06-07 15:05:36 -0700 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2013-06-07 15:05:36 -0700 |
| commit | 17f545ca1769e268e0190d88ab94dc2a117df280 (patch) | |
| tree | 34b06d75d4c95823f7dbb0017142e5b59cd88f1b /kernel/trace/ring_buffer.c | |
| parent | 2d403f7b198163d14a37ab79de33e27e390bb3b1 (diff) | |
| parent | 8341613afbc8d65bca8c81158edfb49f36b7ad92 (diff) | |
Merge branch 'dts-fixes-for-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/bcousson/linux-omap-dt into omap-for-v3.10/fixes
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; } |