perf_events: Fix resource leak in x86 __hw_perf_event_init()
authorStephane Eranian <eranian@google.com>
Wed, 17 Mar 2010 21:21:01 +0000 (23:21 +0200)
committerIngo Molnar <mingo@elte.hu>
Thu, 18 Mar 2010 17:39:40 +0000 (18:39 +0100)
commit4b24a88b35e15e04bd8f2c5dda65b5dc8ebca05f
tree82d38330852a4761794875d431c39f522bae95c8
parentcb7d6b5053e86598735d9af19930f5929f007b7f
perf_events: Fix resource leak in x86 __hw_perf_event_init()

If reserve_pmc_hardware() succeeds but reserve_ds_buffers()
fails, then we need to release_pmc_hardware. It won't be done
by the destroy() callback because we return before setting it
in case of error.

Signed-off-by: Stephane Eranian <eranian@google.com>
Cc: <stable@kernel.org>
Cc: peterz@infradead.org
Cc: paulus@samba.org
Cc: davem@davemloft.net
Cc: fweisbec@gmail.com
Cc: robert.richter@amd.com
Cc: perfmon2-devel@lists.sf.net
LKML-Reference: <4ba1568b.15185e0a.182a.7802@mx.google.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
--
 arch/x86/kernel/cpu/perf_event.c |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
arch/x86/kernel/cpu/perf_event.c