autobahn requires zero length rx allowed

We suppress zero length rx from getting to userland, but autobahn
requires it... oh well.

Signed-off-by: Andy Green <andy.green@linaro.org>

diff --git a/lib/client-parser.c b/lib/client-parser.c
index 90f9107..12096a4 100644 (file)
--- a/lib/client-parser.c
+++ b/lib/client-parser.c
@@ -383,12 +383,11 @@ ping_drop:
                                                LWS_SEND_BUFFER_PRE_PADDING];
                eff_buf.token_len = wsi->u.ws.rx_user_buffer_head;
 
-               if (lws_ext_cb_wsi_active_exts(wsi,
-                                                    LWS_EXT_CALLBACK_PAYLOAD_RX,
-                                                    &eff_buf, 0) < 0) /* fail */
+               if (lws_ext_cb_wsi_active_exts(wsi, LWS_EXT_CALLBACK_PAYLOAD_RX,
+                                              &eff_buf, 0) < 0) /* fail */
                        return -1;
 
-               if (eff_buf.token_len <= 0 &&
+               if (eff_buf.token_len < 0 &&
                    callback_action != LWS_CALLBACK_CLIENT_RECEIVE_PONG)
                        goto already_done;