workqueue: Move the position of debug_work_activate() in __queue_work()

The debug_work_activate() is called on the premise that
the work can be inserted, because if wq be in WQ_DRAINING
status, insert work may be failed.

Fixes: e41e704bc4f4 ("workqueue: improve destroy_workqueue() debuggability")
Signed-off-by: Zqiang <qiang.zhang@windriver.com>
Reviewed-by: Lai Jiangshan <jiangshanlai@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 0d150da..21fb00b 100644 (file)
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -1412,7 +1412,6 @@ static void __queue_work(int cpu, struct workqueue_struct *wq,
         */
        lockdep_assert_irqs_disabled();
 
-       debug_work_activate(work);
 
        /* if draining, only works from the same workqueue are allowed */
        if (unlikely(wq->flags & __WQ_DRAINING) &&
@@ -1494,6 +1493,7 @@ retry:
                worklist = &pwq->delayed_works;
        }
 
+       debug_work_activate(work);
        insert_work(pwq, work, worklist, work_flags);
 
 out: