dinput: COM cleanup - use proper DirectInput interface with IUknown calls.

dlls/dinput/device.c

@@ -712,7 +712,7 @@ ULONG WINAPI IDirectInputDevice2AImpl_Release(LPDIRECTINPUTDEVICE8A iface)
     list_remove( &This->entry );
     LeaveCriticalSection( &This->dinput->crit );
 
-    IDirectInput_Release((LPDIRECTINPUTDEVICE8A)This->dinput);
+    IDirectInput_Release(&This->dinput->IDirectInput7A_iface);
     This->crit.DebugInfo->Spare[0] = 0;
     DeleteCriticalSection(&This->crit);
 

dlls/dinput/dinput_main.c

@@ -153,7 +153,7 @@ HRESULT WINAPI DirectInputCreateEx(
 
     if (!check_hook_thread())
     {
-        IUnknown_Release( (LPDIRECTINPUT7A)This );
+        IUnknown_Release( &This->IDirectInput7A_iface );
         return DIERR_GENERIC;
     }
 

dlls/dinput/joystick_linux.c

@@ -368,7 +368,7 @@ static HRESULT alloc_device(REFGUID rguid, const void *jvt, IDirectInputImpl *di
         newDevice->generic.props[i].lSaturation = 0;
     }
 
-    IDirectInput_AddRef((LPDIRECTINPUTDEVICE8A)newDevice->generic.base.dinput);
+    IDirectInput_AddRef(&newDevice->generic.base.dinput->IDirectInput7A_iface);
 
     newDevice->generic.devcaps.dwSize = sizeof(newDevice->generic.devcaps);
     newDevice->generic.devcaps.dwFlags = DIDC_ATTACHED;

dlls/dinput/joystick_linuxinput.c

@@ -504,7 +504,7 @@ static JoystickImpl *alloc_device(REFGUID rguid, const void *jvt, IDirectInputIm
     if (newDevice->joydev->has_ff)
         newDevice->generic.devcaps.dwFlags |= DIDC_FORCEFEEDBACK;
 
-    IDirectInput_AddRef((LPDIRECTINPUTDEVICE8A)newDevice->generic.base.dinput);
+    IDirectInput_AddRef(&newDevice->generic.base.dinput->IDirectInput7A_iface);
     return newDevice;
 
 failed:

dlls/dinput/joystick_osx.c

@@ -807,7 +807,7 @@ static HRESULT alloc_device(REFGUID rguid, const void *jvt, IDirectInputImpl *di
     /* initialize default properties */
     get_osx_device_elements_props(newDevice);
 
-    IDirectInput_AddRef((LPDIRECTINPUTDEVICE8A)newDevice->generic.base.dinput);
+    IDirectInput_AddRef(&newDevice->generic.base.dinput->IDirectInput7A_iface);
 
     newDevice->generic.devcaps.dwSize = sizeof(newDevice->generic.devcaps);
     newDevice->generic.devcaps.dwFlags = DIDC_ATTACHED;

dlls/dinput/keyboard.c

@@ -236,7 +236,7 @@ static SysKeyboardImpl *alloc_device(REFGUID rguid, const void *kvt, IDirectInpu
     df->dwNumObjs = idx;
 
     newDevice->base.data_format.wine_df = df;
-    IDirectInput_AddRef((LPDIRECTINPUTDEVICE8A)newDevice->base.dinput);
+    IDirectInput_AddRef(&newDevice->base.dinput->IDirectInput7A_iface);
     return newDevice;
 
 failed:

dlls/dinput/mouse.c

@@ -223,7 +223,7 @@ static SysMouseImpl *alloc_device(REFGUID rguid, const void *mvt, IDirectInputIm
             df->rgodf[i].dwType = DIDFT_MAKEINSTANCE(i) | DIDFT_PSHBUTTON;
 
     newDevice->base.data_format.wine_df = df;
-    IDirectInput_AddRef((LPDIRECTINPUTDEVICE8A)newDevice->base.dinput);
+    IDirectInput_AddRef(&newDevice->base.dinput->IDirectInput7A_iface);
     return newDevice;
 
 failed: