s4:kdc: make use of tstream_bsd_fail_readv_first_error(true)

This avoids doing useless work in case the client connection
is already broken.

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>

diff --git a/source4/kdc/kdc-server.c b/source4/kdc/kdc-server.c
index 54ee79285f43475875e2b18b7ba416d7b77d6239..ba56f04e71b5ff89e6c37510b187d47c10ecf8d6 100644 (file)
--- a/source4/kdc/kdc-server.c
+++ b/source4/kdc/kdc-server.c
@@ -496,6 +496,8 @@ static void kdc_tcp_accept(struct stream_connection *conn)
                                "kdc_tcp_accept: out of memory");
                return;
        }
+       /* as server we want to fail early */
+       tstream_bsd_fail_readv_first_error(kdc_conn->tstream, true);
 
        kdc_conn->conn = conn;
        kdc_conn->kdc_socket = kdc_socket;