xprtrdma: Clean up xprt_rdma_disconnect_inject

Clean up: Use the appropriate C macro instead of open-coding
container_of() .

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

diff --git a/net/sunrpc/xprtrdma/transport.c b/net/sunrpc/xprtrdma/transport.c
index 39b7991..0cfa7bf 100644 (file)
--- a/net/sunrpc/xprtrdma/transport.c
+++ b/net/sunrpc/xprtrdma/transport.c
@@ -266,8 +266,7 @@ xprt_rdma_connect_worker(struct work_struct *work)
 static void
 xprt_rdma_inject_disconnect(struct rpc_xprt *xprt)
 {
-       struct rpcrdma_xprt *r_xprt = container_of(xprt, struct rpcrdma_xprt,
-                                                  rx_xprt);
+       struct rpcrdma_xprt *r_xprt = rpcx_to_rdmax(xprt);
 
        trace_xprtrdma_inject_dsc(r_xprt);
        rdma_disconnect(r_xprt->rx_ia.ri_id);