In case CONFIG_DEBUG_OBJECTS_WORK is defined, it is needed to
call destroy_work_on_stack() which frees the debug object to pair
with INIT_WORK_ONSTACK().

Signed-off-by: Liu, Chuansheng <chuansheng....@intel.com>
---
 kernel/workqueue.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index b010eac..82ef9f3 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -4789,6 +4789,7 @@ static int workqueue_cpu_down_callback(struct 
notifier_block *nfb,
 
                /* wait for per-cpu unbinding to finish */
                flush_work(&unbind_work);
+               destroy_work_on_stack(&unbind_work);
                break;
        }
        return NOTIFY_OK;
@@ -4828,6 +4829,7 @@ long work_on_cpu(int cpu, long (*fn)(void *), void *arg)
        INIT_WORK_ONSTACK(&wfc.work, work_for_cpu_fn);
        schedule_work_on(cpu, &wfc.work);
        flush_work(&wfc.work);
+       destroy_work_on_stack(&wfc.work);
        return wfc.ret;
 }
 EXPORT_SYMBOL_GPL(work_on_cpu);
-- 
1.7.9.5



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