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authorIngo Molnar <mingo@elte.hu>2012-01-04 15:00:43 +0100
committerIngo Molnar <mingo@elte.hu>2012-01-04 15:01:28 +0100
commitadaf4ed2abbd285c93808060924eeec3af483aee (patch)
tree425c6c37c08af0b69efaa7457c9b428eda347c36 /arch/arm/kernel/perf_event.c
parentca3d30cc02f780f68771087040ce935add6ba2b7 (diff)
parent5f0a6e2d503896062f641639dacfe5055c2f593b (diff)
Merge commit 'v3.2-rc7' into x86/asm
Merge reason: Update from -rc4 to -rc7. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/kernel/perf_event.c')
-rw-r--r--arch/arm/kernel/perf_event.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index c475379199b..88b0941ce51 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -353,15 +353,15 @@ validate_group(struct perf_event *event)
fake_pmu.used_mask = fake_used_mask;
if (!validate_event(&fake_pmu, leader))
- return -ENOSPC;
+ return -EINVAL;
list_for_each_entry(sibling, &leader->sibling_list, group_entry) {
if (!validate_event(&fake_pmu, sibling))
- return -ENOSPC;
+ return -EINVAL;
}
if (!validate_event(&fake_pmu, event))
- return -ENOSPC;
+ return -EINVAL;
return 0;
}
@@ -640,6 +640,9 @@ static struct platform_device_id armpmu_plat_device_ids[] = {
static int __devinit armpmu_device_probe(struct platform_device *pdev)
{
+ if (!cpu_pmu)
+ return -ENODEV;
+
cpu_pmu->plat_device = pdev;
return 0;
}