[Bluetooth] Fix the re-register GATT server issue (#688) (#688)

* [Bluetooth] Fix the re-register GATT server issue

* Update BluetoothGattImpl.cs

* Update BluetoothGattImpl.cs

* Update BluetoothGattImpl.cs

diff --git a/src/Tizen.Network.Bluetooth/Tizen.Network.Bluetooth/BluetoothGattImpl.cs b/src/Tizen.Network.Bluetooth/Tizen.Network.Bluetooth/BluetoothGattImpl.cs
index 39530db..bf8b842 100644 (file)
--- a/src/Tizen.Network.Bluetooth/Tizen.Network.Bluetooth/BluetoothGattImpl.cs
+++ b/src/Tizen.Network.Bluetooth/Tizen.Network.Bluetooth/BluetoothGattImpl.cs
@@ -637,8 +637,22 @@ namespace Tizen.Network.Bluetooth
         {
             if (_hasOwnership == true)
             {
-                Interop.Bluetooth.BtGattServerDeinitialize();
-                Interop.Bluetooth.BtGattServerDestroy(handle);
+                int err;
+
+                err = Interop.Bluetooth.BtGattServerDestroy(handle);
+                if (err.IsFailed())
+                {
+                    Log.Error(Globals.LogTag, "Failed to destroy the server instance");
+                    return false;
+                }
+
+                err = Interop.Bluetooth.BtGattServerDeinitialize();
+                if (err.IsFailed())
+                {
+                    Log.Error(Globals.LogTag, "Failed to deinitialize");
+                    SetHandle(IntPtr.Zero);
+                    return false;
+                }
             }
             SetHandle(IntPtr.Zero);
             return true;