SUNRPC: Clear the connect flag when socket state is TCP_CLOSE_WAIT

This is needed to ensure that we call xprt_connect() upon the next
call to call_connect().

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@vger.kernel.org
Tested-by: Chris Perl <chris.perl@gmail.com>
diff --git a/net/sunrpc/xprtsock.c b/net/sunrpc/xprtsock.c
index aaaadfb..6e6967d 100644
--- a/net/sunrpc/xprtsock.c
+++ b/net/sunrpc/xprtsock.c
@@ -1516,6 +1516,7 @@
 	case TCP_CLOSE_WAIT:
 		/* The server initiated a shutdown of the socket */
 		xprt->connect_cookie++;
+		clear_bit(XPRT_CONNECTED, &xprt->state);
 		xs_tcp_force_close(xprt);
 	case TCP_CLOSING:
 		/*