[PATCH v2] xaudio2_7: Correct reference count on newly created XAudio2 object

[Andrew Eikum]

Signed-off-by: Andrew Eikum <aeikum at codeweavers.com>

On Mon, Mar 09, 2020 at 09:22:19AM +0000, Alistair Leslie-Hughes wrote:
> FAudioCOMConstructWithCustomAllocatorEXT initialize the reference count
> to 1, then QueryInterface increase the count to 2.  Thus the finial
> release wont be called if a balanced AddRef/Release is used.
> 
> Signed-off-by: Alistair Leslie-Hughes <leslie_alistair at hotmail.com>
> ---
>  dlls/xaudio2_7/xaudio_dll.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/dlls/xaudio2_7/xaudio_dll.c b/dlls/xaudio2_7/xaudio_dll.c
> index a87e0124d3..fa0361182c 100644
> --- a/dlls/xaudio2_7/xaudio_dll.c
> +++ b/dlls/xaudio2_7/xaudio_dll.c
> @@ -1955,10 +1955,8 @@ static HRESULT WINAPI XAudio2CF_CreateInstance(IClassFactory *iface, IUnknown *p
>      FAudio_RegisterForCallbacks(object->faudio, &object->FAudioEngineCallback_vtbl);
>  
>      hr = IXAudio2_QueryInterface(&object->IXAudio2_iface, riid, ppobj);
> +    IXAudio2_Release(&object->IXAudio2_iface);
>      if(FAILED(hr)){
> -        object->lock.DebugInfo->Spare[0] = 0;
> -        DeleteCriticalSection(&object->lock);
> -        HeapFree(GetProcessHeap(), 0, object);
>          return hr;
>      }
>  
> -- 
> 2.25.1
> 
>