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-rw-r--r--kernel/workqueue.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 74f3f78..ce72d45 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -569,6 +569,10 @@ EXPORT_SYMBOL(flush_work_keventd);
void cancel_rearming_delayed_workqueue(struct workqueue_struct *wq,
struct delayed_work *dwork)
{
+ /* Was it ever queued ? */
+ if (!get_wq_data(&dwork->work))
+ return;
+
while (!cancel_delayed_work(dwork))
flush_workqueue(wq);
}
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