SUNRPC: Initiate a connection close on an ESHUTDOWN error in stream receive

If the client stream receive code receives an ESHUTDOWN error either
because the server closed the connection, or because it sent a
callback which cannot be processed, then we should shut down
the connection.
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>

net/sunrpc/xprtsock.c

@@ -705,6 +705,9 @@ static void xs_stream_data_receive(struct sock_xprt *transport)
 		read += ret;
 		cond_resched();
 	}
+	if (ret == -ESHUTDOWN)
+		kernel_sock_shutdown(transport->sock, SHUT_RDWR);
+	else
 		xs_poll_check_readable(transport);
 out:
 	mutex_unlock(&transport->recv_mutex);