In theory, pool->cpu is equals to @cpu in wq_worker_sleeping() after
worker->flags is checked.
And "pool->cpu != cpu" sanity check will help us if something wrong.
Signed-off-by: Lai Jiangshan <la...@cn.fujitsu.com>
---
kernel/workqueue.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 9f53abd..61381a2 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -843,7 +843,7 @@ struct task_struct *wq_worker_sleeping(struct task_struct
*task, int cpu)
pool = worker->pool;
/* this can only happen on the local cpu */
- if (WARN_ON_ONCE(cpu != raw_smp_processor_id()))
+ if (WARN_ON_ONCE(cpu != raw_smp_processor_id() || pool->cpu != cpu))
return NULL;
/*
--
1.7.4.4
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