EFI_GUID gEfiDriverBindingProtocolGuid = EFI_DRIVER_BINDING_PROTOCOL_GUID;
EFI_GUID gEfiComponentNameProtocolGuid = EFI_COMPONENT_NAME_PROTOCOL_GUID;
-extern EFI_GUID gEfiDiskIoProtocolGuid = EFI_DISK_IO_PROTOCOL_GUID;
-extern EFI_GUID gEfiBlockIoProtocolGuid = EFI_BLOCK_IO_PROTOCOL_GUID;
+EFI_GUID gEfiDiskIoProtocolGuid = EFI_DISK_IO_PROTOCOL_GUID;
+EFI_GUID gEfiBlockIoProtocolGuid = EFI_BLOCK_IO_PROTOCOL_GUID;
EFI_GUID gEfiFileInfoGuid = EFI_FILE_INFO_ID;
EFI_GUID gEfiFileSystemInfoGuid = EFI_FILE_SYSTEM_INFO_ID;
EFI_GUID gEfiFileSystemVolumeLabelInfoIdGuid = EFI_FILE_SYSTEM_VOLUME_LABEL_INFO_ID;
/** Helper macro for stringification. */
#define FSW_EFI_STRINGIFY(x) #x
/** Expands to the EFI driver name given the file system type name. */
-#define FSW_EFI_DRIVER_NAME(t) L"rEFInd 0.8.4 " FSW_EFI_STRINGIFY(t) L" File System Driver"
+#define FSW_EFI_DRIVER_NAME(t) L"rEFInd 0.9.1 " FSW_EFI_STRINGIFY(t) L" File System Driver"
// function prototypes
} // if cache memory allocated
} // if (ReadCache < 0)
- if (Caches[ReadCache].Cache != NULL && Caches[ReadCache].CacheValid == TRUE) {
+ if (Caches[ReadCache].Cache != NULL && Caches[ReadCache].CacheValid == TRUE && vol->phys_blocksize > 0) {
CopyMem(buffer, &Caches[ReadCache].Cache[StartRead - Caches[ReadCache].CacheStart], vol->phys_blocksize);
} else {
ReadOneBlock = TRUE;