winrt: Do proper error handling if connecting to a LE device fails

Task-number: QTBUG-70162
Change-Id: I4556cbf1965121b042a55e3e36e24383f8fa8dc9
Reviewed-by: Alex Blasche <alexander.blasche@qt.io>

1 files changed, 5 insertions, 1 deletions

diff --git a/src/bluetooth/qlowenergycontroller_winrt.cpp b/src/bluetooth/qlowenergycontroller_winrt.cpp
index 628f1195..a7ad662b 100644
--- a/src/bluetooth/qlowenergycontroller_winrt.cpp
+++ b/src/bluetooth/qlowenergycontroller_winrt.cpp
@@ -413,7 +413,11 @@ void QLowEnergyControllerPrivateWinRT::connectToDevice()
                 setState(QLowEnergyController::UnconnectedState);
                 return;
             } else {
-                Q_ASSERT_SUCCEEDED(hr);
+                qCWarning(QT_BT_WINRT) << "Connecting to device failed: "
+                                       << qt_error_string(hr);
+                setError(QLowEnergyController::ConnectionError);
+                setState(QLowEnergyController::UnconnectedState);
+                return;
             }
             ComPtr<ABI::Windows::Storage::Streams::IBuffer> buffer;
             hr = result->get_Value(&buffer);