BlockIo2 = Instance->BlockIo2;\r
Media = BlockIo->Media;\r
Status = EFI_SUCCESS;\r
- Blocking = ((Token == NULL) || (Token->Event == NULL));\r
+ Blocking = (BOOLEAN) ((Token == NULL) || (Token->Event == NULL));\r
\r
if (Media->MediaId != MediaId) {\r
return EFI_MEDIA_CHANGED;\r