[PATCH] workqueue: Fix a compile warning in work_busy

[Anton Blanchard]

Ensure ret is initialised to avoid the following warning:

kernel/workqueue.c: In function âwork_busyâ:
kernel/workqueue.c:2697: warning: âretâ may be used uninitialized in this function

Signed-off-by: Anton Blanchard <anton@xxxxxxxxx>
---

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 5871708..6003afd 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -2682,7 +2682,7 @@ unsigned int work_busy(struct work_struct *work)
 {
 	struct global_cwq *gcwq = get_work_gcwq(work);
 	unsigned long flags;
-	unsigned int ret;
+	unsigned int ret = 0;
 
 	if (!gcwq)
 		return false;
--
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