[PATCH] kthread: work could not be queued when worker being destroyed

[qiang.zhang]

From: Zhang Qiang <qiang.zh...@windriver.com>

The queuing_blocked func should returns true when the worker
being destroyed.

Signed-off-by: Zhang Qiang <qiang.zh...@windriver.com>
---
 kernel/kthread.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/kthread.c b/kernel/kthread.c
index 1166f2043e67..2ca711d0e78a 100644
--- a/kernel/kthread.c
+++ b/kernel/kthread.c
@@ -791,7 +791,7 @@ static inline bool queuing_blocked(struct kthread_worker 
*worker,
 {
        lockdep_assert_held(&worker->lock);
 
-       return !list_empty(&work->node) || work->canceling;
+       return !list_empty(&work->node) || work->canceling || !worker->task;
 }
 
 static void kthread_insert_work_sanity_check(struct kthread_worker *worker,
-- 
2.24.1