diff options
| author | Arnd Bergmann <arnd@arndb.de> | 2012-11-15 17:41:21 +0100 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2012-11-15 17:41:21 +0100 |
| commit | 8dbd2879e33be37adf40f747a5fb80ef1a6cd150 (patch) | |
| tree | c688d7980be8c1c0dbf5e411caaf2c102120102e /kernel/trace/ring_buffer.c | |
| parent | b770ea523d95837e968d46c7fe09a3f5edd9bb27 (diff) | |
| parent | d308ba50a1234b299a00e63a95e61fdeb2f1a2df (diff) | |
Merge branch 'omap/dt' into next/drivers
Needed for the omap timer changes.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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) |