rpc client can not deal with ENOSOCK, so translate it into ENOCONN

If NFSv4 client send a request before connect, or the old connection was broken
because a ETIMEOUT error catched by call_status, ->send_request will return
ENOSOCK, but rpc layer can not deal with it, so make sure ->send_request can
translate ENOSOCK into ENOCONN.

Signed-off-by: Bian Naimeng <biannm@cn.fujitsu.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index 7124129..abb8a58 100644 (file)
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -549,8 +549,6 @@ static int xs_udp_send_request(struct rpc_task *task)
                /* Still some bytes left; set up for a retry later. */
                status = -EAGAIN;
        }
-       if (!transport->sock)
-               goto out;
 
        switch (status) {
        case -ENOTSOCK:
@@ -570,7 +568,7 @@ static int xs_udp_send_request(struct rpc_task *task)
                 * prompts ECONNREFUSED. */
                clear_bit(SOCK_ASYNC_NOSPACE, &transport->sock->flags);
        }
-out:
+
        return status;
 }
 
@@ -652,8 +650,6 @@ static int xs_tcp_send_request(struct rpc_task *task)
                status = -EAGAIN;
                break;
        }
-       if (!transport->sock)
-               goto out;
 
        switch (status) {
        case -ENOTSOCK:
@@ -673,7 +669,7 @@ static int xs_tcp_send_request(struct rpc_task *task)
        case -ENOTCONN:
                clear_bit(SOCK_ASYNC_NOSPACE, &transport->sock->flags);
        }
-out:
+
        return status;
 }