SUNRPC: RPC client should retry with different versions of rpcbind

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 4 insertions, 2 deletions

diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index e7dc09ecc470..d8fbee40a19c 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -902,9 +902,11 @@ call_bind_status(struct rpc_task *task)
                                 task->tk_pid);
                 break;
         case -EPROTONOSUPPORT:
-                dprintk("RPC: %5u remote rpcbind version 2 unavailable\n",
+                dprintk("RPC: %5u remote rpcbind version unavailable, retrying\n",
                                 task->tk_pid);
-                break;
+                task->tk_status = 0;
+                task->tk_action = call_bind;
+                return;
         default:
                 dprintk("RPC: %5u unrecognized rpcbind error (%d)\n",
                                 task->tk_pid, -task->tk_status);