[PATCH] rbd: fix the repeat initialization of semaphore

[Guangliang Zhao <gzhao@xxxxxxxx>]

The header_rwsem of rbd_dev initializes twice in
function rbd_add.

Signed-off-by: Guangliang Zhao <gzhao@xxxxxxxx>
---
 drivers/block/rbd.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 013c7a5..50117dd 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -2381,8 +2381,6 @@ static ssize_t rbd_add(struct bus_type *bus,
 	INIT_LIST_HEAD(&rbd_dev->snaps);
 	init_rwsem(&rbd_dev->header_rwsem);
 
-	init_rwsem(&rbd_dev->header_rwsem);
-
 	/* generate unique id: find highest unique id, add one */
 	rbd_id_get(rbd_dev);
 
-- 
1.7.3.4

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