diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-10-29 08:44:40 -0700 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-10-29 08:44:40 -0700 |
commit | e64de3b96c1ba3c1de236a4a103ec21234a5849f (patch) | |
tree | b4ed91858a3d353bd72e3be101433ac821759379 /kernel/trace/ring_buffer.c | |
parent | dbfd5ccc057fbefb7247614741efbf96be0258c5 (diff) | |
parent | 8f0d8163b50e01f398b14bcd4dc039ac5ab18d64 (diff) | |
download | blackbird-op-linux-e64de3b96c1ba3c1de236a4a103ec21234a5849f.tar.gz blackbird-op-linux-e64de3b96c1ba3c1de236a4a103ec21234a5849f.zip |
Merge 3.7-rc3 into char-misc-next
This brings in the various 3.7-rc3 char fixes into char-misc-next.
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 b32ed0e385a5..b979426d16c6 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) |