rbd: drop extra header_rwsem init

In commit c666601a there was inadvertently added an extra
initialization of rbd_dev->header_rwsem.  This gets rid of the
duplicate.

Reported-by: Guangliang Zhao <[email protected]>
Signed-off-by: Alex Elder <[email protected]>
Reviewed-by: Josh Durgin <[email protected]>

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 6df8c62c40f5579d28186072e488f75371ad5b3e..b9895feda5ee1530589bc7f3483c3917f751770d 100644 (file)
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -2458,8 +2458,6 @@ 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);