X-Git-Url: https://code.delx.au/refind/blobdiff_plain/2cc79ea9b33424d5fc32f15683adf7c956656b9b..a8a06ba01058e3ef5f546a4a4a352d06638359a8:/filesystems/fsw_efi.c

diff --git a/filesystems/fsw_efi.c b/filesystems/fsw_efi.c
index 762831e..8516588 100644
--- a/filesystems/fsw_efi.c
+++ b/filesystems/fsw_efi.c
@@ -67,8 +67,8 @@
 
 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;
@@ -78,7 +78,7 @@ EFI_GUID gEfiFileSystemVolumeLabelInfoIdGuid = EFI_FILE_SYSTEM_VOLUME_LABEL_INFO
 /** 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
 
@@ -568,7 +568,7 @@ fsw_status_t fsw_efi_read_block(struct fsw_volume *vol, fsw_u64 phys_bno, void *
       } // 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;