The red-black node node in the ceph osd structure is not initialized
in create_osd().  Because this node can be the subject of a
RB_EMPTY_NODE() call later on, we should ensure the node is
initialized properly for that.  Add a call to RB_CLEAR_NODE()
initialize it.

Signed-off-by: Alex Elder <el...@inktank.com>
---
v2: use RB_CLEAR_NODE() instead of rb_init_node()

 net/ceph/osd_client.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 32bd696..a6dc6ac 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -642,6 +642,7 @@ static struct ceph_osd *create_osd(struct
ceph_osd_client *osdc, int onum)
        atomic_set(&osd->o_ref, 1);
        osd->o_osdc = osdc;
        osd->o_osd = onum;
+       RB_CLEAR_NODE(&osd->o_node);
        INIT_LIST_HEAD(&osd->o_requests);
        INIT_LIST_HEAD(&osd->o_linger_requests);
        INIT_LIST_HEAD(&osd->o_osd_lru);
-- 
1.7.9.5

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