From 86b33e0b7e5a3ff3060182ab63ce04a224a18b21 Mon Sep 17 00:00:00 2001
From: Tim Haloun <thaloun@chromium.org>
Date: Mon, 11 Nov 2019 10:31:46 -0800
Subject: [PATCH] Don't ask for the friendly name of a default device if we
 failed to enumerate it.

Bug: b/144233691
Change-Id: I5f80c63858ec851ab14bcc3c1ca51ca2e9507834
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/159582
Reviewed-by: Henrik Andreassson <henrika@webrtc.org>
Commit-Queue: Tim Haloun <thaloun@chromium.org>
Cr-Commit-Position: refs/heads/master@{#29778}
---
 modules/audio_device/win/core_audio_utility_win.cc | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/audio_device/win/core_audio_utility_win.cc b/modules/audio_device/win/core_audio_utility_win.cc
index bd4f4e812c..0a86266079 100644
--- a/modules/audio_device/win/core_audio_utility_win.cc
+++ b/modules/audio_device/win/core_audio_utility_win.cc
@@ -476,6 +476,10 @@ bool GetDeviceNamesInternal(EDataFlow data_flow,
   for (size_t i = 0; i < arraysize(role); ++i) {
     default_device = CreateDeviceInternal(AudioDeviceName::kDefaultDeviceId,
                                           data_flow, role[i]);
+    if (!default_device.Get()) {
+      return false;
+    }
+
     std::string device_name;
     device_name += (role[i] == eConsole ? "Default - " : "Communication - ");
     device_name += GetDeviceFriendlyNameInternal(default_device.Get());