From 56b7daf88dc3e36360818a2ea78875b4a2e63fec Mon Sep 17 00:00:00 2001
From: edwinwu <edwinwu@google.com>
Date: Tue, 17 Aug 2021 17:55:12 -0700
Subject: [PATCH] Fixes bluetooth_medium is not supported then don't continue
 for BleDiscoveredHandler.

PiperOrigin-RevId: 391418495
---
 cpp/core/internal/mediums/bluetooth_classic.cc | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/cpp/core/internal/mediums/bluetooth_classic.cc b/cpp/core/internal/mediums/bluetooth_classic.cc
index 6f870b17..bfa15992 100644
--- a/cpp/core/internal/mediums/bluetooth_classic.cc
+++ b/cpp/core/internal/mediums/bluetooth_classic.cc
@@ -407,11 +407,21 @@ BluetoothSocket BluetoothClassic::AttemptToConnect(
 BluetoothDevice BluetoothClassic::GetRemoteDevice(
     const std::string& mac_address) {
   MutexLock lock(&mutex_);
+
+  if (!IsAvailableLocked()) {
+    return {};
+  }
+
   return medium_.GetRemoteDevice(mac_address);
 }
 
 std::string BluetoothClassic::GetMacAddress() const {
   MutexLock lock(&mutex_);
+
+  if (!IsAvailableLocked()) {
+    return {};
+  }
+
   return medium_.GetMacAddress();
 }