Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/linux...

[firefly-linux-kernel-4.4.55.git] / arch / arm / kernel / perf_event.c

diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c
index c475379199b1d149adc4f8e33e00f1d544e4b595..88b0941ce51ec674bbf46d604fcbb46f5dc25255 100644 (file)
--- 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;
 }