Fix a memory leak in init_per_cpu() when the topology check
fails.

The leak should never occur on deployed systems. It would only occur
in an unexpected topology that would make the BAU unuseable as a result.
Signed-off-by: NCliff Wickman <cpw@sgi.com>
Link: http://lkml.kernel.org/r/20110621122242.981533045@sgi.comSigned-off-by: NIngo Molnar <mingo@elte.hu>