diff options
| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2010-10-19 14:50:02 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-10-22 14:18:26 +0200 |
| commit | f80c9e304b8e8062230b0cda2c2fdd586149c771 (patch) | |
| tree | 5f6ec4a103e49744f822ed43f6a0090b38c13354 /arch/x86/kernel/cpu/perf_event.c | |
| parent | 6809b6ea73f7291f2e495d40397f1172c9caa77e (diff) | |
perf, x86: Clean up reserve_ds_buffers() signature
Now that reserve_ds_buffers() never fails, change it to return
void and remove all code dealing with the error return.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Stephane Eranian <eranian@google.com>
LKML-Reference: <20101019134808.462621937@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/cpu/perf_event.c')
| -rw-r--r-- | arch/x86/kernel/cpu/perf_event.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index 61e78f65106..a333bf9189f 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -382,7 +382,7 @@ static void release_pmc_hardware(void) {} #endif -static int reserve_ds_buffers(void); +static void reserve_ds_buffers(void); static void release_ds_buffers(void); static void hw_perf_event_destroy(struct perf_event *event) @@ -546,11 +546,8 @@ static int __x86_pmu_event_init(struct perf_event *event) if (atomic_read(&active_events) == 0) { if (!reserve_pmc_hardware()) err = -EBUSY; - else { - err = reserve_ds_buffers(); - if (err) - release_pmc_hardware(); - } + else + reserve_ds_buffers(); } if (!err) atomic_inc(&active_events); |