Re: [PATCH v2 0/6] MR8556: winebth.sys part 13: Add support for retrieving GATT characteristics

[Andrey Gusev (＠agusev)]

```
+    if (!actual)
+        return E_POINTER;
+
+     if ((buf && !count) || !actual)
+          return E_INVALIDARG;
```
> That doesn't look right.

Same for BluetoothGATTGetServices().