From 70bb2f8d1fc45738859e1b4b1127db5c0de6cec9 Mon Sep 17 00:00:00 2001
From: Oliver Wolff <oliver.wolff@qt.io>
Date: Mon, 8 Aug 2016 09:28:52 +0200
Subject: winrt: Add missing error handling for device discovery

Change-Id: Idbda4faf542baf2fa7ad652cfa90701fb0f9020c
Reviewed-by: Maurice Kalinowski <maurice.kalinowski@qt.io>
---
 src/bluetooth/qbluetoothdevicediscoveryagent_winrt.cpp | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/bluetooth/qbluetoothdevicediscoveryagent_winrt.cpp b/src/bluetooth/qbluetoothdevicediscoveryagent_winrt.cpp
index db1592b1..5f24f150 100644
--- a/src/bluetooth/qbluetoothdevicediscoveryagent_winrt.cpp
+++ b/src/bluetooth/qbluetoothdevicediscoveryagent_winrt.cpp
@@ -178,8 +178,11 @@ public:
 
     ~QWinRTBluetoothDeviceDiscoveryWorker()
     {
-        if (leDeviceWatcher && leDeviceAddedToken.value)
-            leDeviceWatcher->remove_Added(leDeviceAddedToken);
+        if (leDeviceWatcher && leDeviceAddedToken.value) {
+            HRESULT hr;
+            hr = leDeviceWatcher->remove_Added(leDeviceAddedToken);
+            Q_ASSERT_SUCCEEDED(hr);
+        }
     }
 
 private:
@@ -221,7 +224,9 @@ private:
     {
         qCDebug(QT_BT_WINRT) << (mode == BT ? "BT" : "BTLE") << "scan completed";
         ComPtr<IVectorView<DeviceInformation *>> devices;
-        op->GetResults(&devices);
+        HRESULT hr;
+        hr = op->GetResults(&devices);
+        Q_ASSERT_SUCCEEDED(hr);
         onDevicesFound(devices.Get(), mode);
         initializedModes |= mode;
         if (initializedModes == BTAll) {
-- 
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