dm thin: Add missing destroy_work_on_stack()

commit e74fa2447bf9ed03d085b6d91f0256cc1b53f1a8 upstream.

This commit add missed destroy_work_on_stack() operations for pw->worker in
pool_work_wait().

Fixes: e7a3e871d895 ("dm thin: cleanup noflush_work to use a proper completion")
Cc: stable@vger.kernel.org
Signed-off-by: Yuan Can <yuancan@huawei.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index 1cf652670a7fefe4d16e1110b58e156db1f7a750..e6027c24d147e7a058896613a8935c147855e2be 100644 (file)
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -2468,6 +2468,7 @@ static void pool_work_wait(struct pool_work *pw, struct pool *pool,
        init_completion(&pw->complete);
        queue_work(pool->wq, &pw->worker);
        wait_for_completion(&pw->complete);
+       destroy_work_on_stack(&pw->worker);
 }
 
 /*----------------------------------------------------------------*/