workqueue: trivial fix for return statement in work_busy()

Return type of work_busy() is unsigned int.
There is return statement returning boolean value, 'false' in work_busy().
It is not problem, because 'false' may be treated '0'.
However, fixing it would make code robust.

Signed-off-by: Joonsoo Kim <js1304@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 084aa47bac82..26f5d16aef65 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);