[PATCH] RDS: use rb_entry()

[Geliang Tang]

To make the code clearer, use rb_entry() instead of container_of() to
deal with rbtree.

Signed-off-by: Geliang Tang <geliangt...@gmail.com>
---
 net/rds/rdma.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/rds/rdma.c b/net/rds/rdma.c
index 4c93bad..ea96114 100644
--- a/net/rds/rdma.c
+++ b/net/rds/rdma.c
@@ -135,7 +135,7 @@ void rds_rdma_drop_keys(struct rds_sock *rs)
        /* Release any MRs associated with this socket */
        spin_lock_irqsave(&rs->rs_rdma_lock, flags);
        while ((node = rb_first(&rs->rs_rdma_keys))) {
-               mr = container_of(node, struct rds_mr, r_rb_node);
+               mr = rb_entry(node, struct rds_mr, r_rb_node);
                if (mr->r_trans == rs->rs_transport)
                        mr->r_invalidate = 0;
                rb_erase(&mr->r_rb_node, &rs->rs_rdma_keys);
-- 
2.9.3