[PATCH 3/3] dm snapshot: Calling destroy_work_on_stack() to pairwith INIT_WORK_ONSTACK()

[Chuansheng Liu]

In case CONFIG_DEBUG_OBJECTS_WORK is defined, it is needed to
call destroy_work_on_stack() which frees the debug object to pair
with INIT_WORK_ONSTACK().

Signed-off-by: Liu, Chuansheng <chuansheng.liu@xxxxxxxxx>
---
 drivers/md/dm-snap-persistent.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/md/dm-snap-persistent.c b/drivers/md/dm-snap-persistent.c
index 2d2b1b7..2f5a9f8 100644
--- a/drivers/md/dm-snap-persistent.c
+++ b/drivers/md/dm-snap-persistent.c
@@ -257,6 +257,7 @@ static int chunk_io(struct pstore *ps, void *area, chunk_t chunk, int rw,
 	INIT_WORK_ONSTACK(&req.work, do_metadata);
 	queue_work(ps->metadata_wq, &req.work);
 	flush_workqueue(ps->metadata_wq);
+	destroy_work_on_stack(&req.work);
 
 	return req.result;
 }
-- 
1.7.9.5



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