diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-10-29 08:46:28 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-10-29 08:46:28 -0700 |
| commit | 94b086b243e112030b815b76e61de6523e6fc700 (patch) | |
| tree | 3c7f2308e7e5afdb276a858c4960754168a92d8c /kernel/trace/ring_buffer.c | |
| parent | 967857dfd990081f6702daebc6c9bc6f4ba7a39e (diff) | |
| parent | 8f0d8163b50e01f398b14bcd4dc039ac5ab18d64 (diff) | |
Merge 3.7-rc3 into driver-core-next
This pulls in the various driver core changes that were in 3.7-rc3 into the
driver-core-next branch.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/trace/ring_buffer.c')
| -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 b32ed0e385a..b979426d16c 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) |