From c633edc773aaff08a6bbd1e2b14b4b10a683813a Mon Sep 17 00:00:00 2001
From: Richard Hughes <richard@hughsie.com>
Date: Fri, 7 Jul 2017 13:41:49 +0100
Subject: [PATCH] unifying: Don't log a warning when an unknown report is
 parsed

Fixes: https://github.com/hughsie/fwupd/issues/151
---
 plugins/unifying/lu-device.c    | 7 +++++++
 plugins/unifying/lu-hidpp-msg.c | 3 +--
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/plugins/unifying/lu-device.c b/plugins/unifying/lu-device.c
index 072b29f34..85a2cccb7 100644
--- a/plugins/unifying/lu-device.c
+++ b/plugins/unifying/lu-device.c
@@ -498,6 +498,13 @@ lu_device_hidpp_transfer (LuDevice *device, LuHidppMsg *msg, GError **error)
 		if (!lu_device_hidpp_receive (device, msg_tmp, timeout, error))
 			return FALSE;
 
+		/* we don't know how to handle this report packet */
+		if (lu_hidpp_msg_get_payload_length (msg_tmp) == 0x0) {
+			g_debug ("HID++1.0 report 0x%02x has unknown length, ignoring",
+				 msg_tmp->report_id);
+			continue;
+		}
+
 		if (!lu_hidpp_msg_is_error (msg_tmp, error))
 			return FALSE;
 
diff --git a/plugins/unifying/lu-hidpp-msg.c b/plugins/unifying/lu-hidpp-msg.c
index 6c620f882..6dde1a3d4 100644
--- a/plugins/unifying/lu-hidpp-msg.c
+++ b/plugins/unifying/lu-hidpp-msg.c
@@ -70,8 +70,7 @@ lu_hidpp_msg_get_payload_length (LuHidppMsg *msg)
 		return 0x2f;
 	if (msg->report_id == HIDPP_REPORT_NOTIFICATION)
 		return 0x08;
-	g_warning ("report 0x%02x unknown length", msg->report_id);
-	return 0x08;
+	return 0x0;
 }
 
 const gchar *