We want to inspect the of_node that the pdev is pointing to in
the Krait CPU specific PMU initialization function. Assign it
earlier so that we don't crash with a NULL pointer dereference.
Signed-off-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
---
arch/arm/kernel/perf_event_cpu.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/arch/arm/kernel/perf_event_cpu.c b/arch/arm/kernel/perf_event_cpu.c
index 6efd8aab15df..68d02ca0ca1b 100644
--- a/arch/arm/kernel/perf_event_cpu.c
+++ b/arch/arm/kernel/perf_event_cpu.c
@@ -311,6 +311,9 @@ static int cpu_pmu_device_probe(struct platform_device *pdev)
return -ENOMEM;
}
+ cpu_pmu = pmu;
+ cpu_pmu->plat_device = pdev;
+
if (node && (of_id = of_match_node(cpu_pmu_of_device_ids, pdev->dev.of_node))) {
init_fn = of_id->data;
ret = init_fn(pmu);
@@ -323,8 +326,6 @@ static int cpu_pmu_device_probe(struct platform_device *pdev)
goto out_free;
}
- cpu_pmu = pmu;
- cpu_pmu->plat_device = pdev;
cpu_pmu_init(cpu_pmu);
ret = armpmu_register(cpu_pmu, PERF_TYPE_RAW);
--
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