pmu->irq_affinity will not be freed if an error occurred within
arm_pmu_device_probe after of_pmu_irq_cfg has been called.

Note that in the case of_pmu_irq_cfg is returning an error,
pmu->irq_affinity will not be set, but it should be NULL as pmu was
kzalloc'd. Therefore the result kfree(NULL) is benign.

Signed-off-by: Julien Grall <[email protected]>
Acked-by: Mark Rutland <[email protected]>
---
 drivers/perf/arm_pmu.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/perf/arm_pmu.c b/drivers/perf/arm_pmu.c
index 95614d2..1b8304e 100644
--- a/drivers/perf/arm_pmu.c
+++ b/drivers/perf/arm_pmu.c
@@ -1040,6 +1040,7 @@ out_destroy:
 out_free:
        pr_info("%s: failed to register PMU devices!\n",
                of_node_full_name(node));
+       kfree(pmu->irq_affinity);
        kfree(pmu);
        return ret;
 }
-- 
1.9.1

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