diff options
| -rw-r--r-- | arch/x86/kernel/cpu/perf_event.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index c7ca8e26aa60..16307ffb588b 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -1060,8 +1060,11 @@ static int __hw_perf_event_init(struct perf_event *event) if (atomic_read(&active_events) == 0) { if (!reserve_pmc_hardware()) err = -EBUSY; - else + else { err = reserve_bts_hardware(); + if (err) + release_pmc_hardware(); + } } if (!err) atomic_inc(&active_events); |