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Subject[PATCH 1/3] workqueue: Calling destroy_work_on_stack() to pair with INIT_WORK_ONSTACK()
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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.liu@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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