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authorTony Lindgren <tony@atomide.com>2012-02-17 15:12:36 -0800
committerTony Lindgren <tony@atomide.com>2012-02-17 15:12:36 -0800
commit4d68c05ce11f4cdf6a6392f3a18dc6a985b4d0c4 (patch)
tree72e500b97c4bdcb9631209f3121f42b05ae30fea /arch/arm/kernel/perf_event.c
parent40c0591f0a349ec074357e05c6ab1a3bc951807c (diff)
parent19bfb76ca32f8e4fa80746608ff4a77707f40520 (diff)
downloadlinux-4d68c05ce11f4cdf6a6392f3a18dc6a985b4d0c4.tar.bz2
Merge branch 'for_3.4/dt_base' of git://git.kernel.org/pub/scm/linux/kernel/git/bcousson/linux-omap-dt into dt
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 172101ac97de..5bb91bf3d47f 100644
--- a/arch/arm/kernel/perf_event.c
+++ b/arch/arm/kernel/perf_event.c
@@ -346,15 +346,15 @@ 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;
}
@@ -639,6 +639,9 @@ 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;
}