diff --git a/FatPkg/EnhancedFatDxe/Fat.c b/FatPkg/EnhancedFatDxe/Fat.c index a52e6ea828..0dcb3bcb43 100644 --- a/FatPkg/EnhancedFatDxe/Fat.c +++ b/FatPkg/EnhancedFatDxe/Fat.c @@ -399,7 +399,9 @@ Returns: EFI_STATUS Status; EFI_SIMPLE_FILE_SYSTEM_PROTOCOL *FileSystem; FAT_VOLUME *Volume; + EFI_DISK_IO2_PROTOCOL *DiskIo2; + DiskIo2 = NULL; // // Get our context back // @@ -413,25 +415,29 @@ Returns: ); if (!EFI_ERROR (Status)) { - Volume = VOLUME_FROM_VOL_INTERFACE (FileSystem); - Status = FatAbandonVolume (Volume); - if (EFI_ERROR (Status)) { - return Status; - } + Volume = VOLUME_FROM_VOL_INTERFACE (FileSystem); + DiskIo2 = Volume->DiskIo2; + Status = FatAbandonVolume (Volume); } - Status = gBS->CloseProtocol ( - ControllerHandle, - &gEfiDiskIoProtocolGuid, - This->DriverBindingHandle, - ControllerHandle - ); - Status = gBS->CloseProtocol ( - ControllerHandle, - &gEfiDiskIo2ProtocolGuid, - This->DriverBindingHandle, - ControllerHandle - ); + if (!EFI_ERROR (Status)) { + if (DiskIo2 != NULL) { + Status = gBS->CloseProtocol ( + ControllerHandle, + &gEfiDiskIo2ProtocolGuid, + This->DriverBindingHandle, + ControllerHandle + ); + ASSERT_EFI_ERROR (Status); + } + Status = gBS->CloseProtocol ( + ControllerHandle, + &gEfiDiskIoProtocolGuid, + This->DriverBindingHandle, + ControllerHandle + ); + ASSERT_EFI_ERROR (Status); + } return Status; }