SUNRPC: xprt_autoclose() should not call xprt_disconnect()

The transport layer should do that itself whenever appropriate.

Note that the RDMA transport already assumes that it needs to call
xprt_disconnect in xprt_rdma_close().
For TCP sockets, we want to call xprt_disconnect() only after the
connection has been closed by both ends.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index a4c0690..9b06b8b 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -774,10 +774,10 @@
 	sock_release(sock);
 clear_close_wait:
 	smp_mb__before_clear_bit();
-	clear_bit(XPRT_CONNECTED, &xprt->state);
 	clear_bit(XPRT_CLOSE_WAIT, &xprt->state);
 	clear_bit(XPRT_CLOSING, &xprt->state);
 	smp_mb__after_clear_bit();
+	xprt_disconnect(xprt);
 }
 
 /**
@@ -793,7 +793,6 @@
 
 	cancel_rearming_delayed_work(&transport->connect_worker);
 
-	xprt_disconnect(xprt);
 	xs_close(xprt);
 	xs_free_peer_addresses(xprt);
 	kfree(xprt->slot);