diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 084aa47bac8..26f5d16aef6 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -3485,7 +3485,7 @@ unsigned int work_busy(struct work_struct *work)
 	unsigned int ret = 0;
 
 	if (!gcwq)
-		return false;
+		return 0;
 
 	spin_lock_irqsave(&gcwq->lock, flags);