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efi_loader: make efi_block_io_guid a global symbol

The GUID of the EFI_BLOCK_IO_PROTOCOL is needed in different code
parts. To avoid duplication make efi_block_io_guid a global symbol.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
Heinrich Schuchardt 6 years ago
parent
commit
b3dd14b6b1
2 changed files with 3 additions and 1 deletions
  1. 2 0
      include/efi_loader.h
  2. 1 1
      lib/efi_loader/efi_disk.c

+ 2 - 0
include/efi_loader.h

@@ -86,6 +86,8 @@ extern const struct efi_device_path_to_text_protocol efi_device_path_to_text;
 
 uint16_t *efi_dp_str(struct efi_device_path *dp);
 
+/* GUID of the EFI_BLOCK_IO_PROTOCOL */
+extern const efi_guid_t efi_block_io_guid;
 extern const efi_guid_t efi_global_variable_guid;
 extern const efi_guid_t efi_guid_console_control;
 extern const efi_guid_t efi_guid_device_path;

+ 1 - 1
lib/efi_loader/efi_disk.c

@@ -14,7 +14,7 @@
 #include <part.h>
 #include <malloc.h>
 
-static const efi_guid_t efi_block_io_guid = BLOCK_IO_GUID;
+const efi_guid_t efi_block_io_guid = BLOCK_IO_GUID;
 
 struct efi_disk_obj {
 	/* Generic EFI object parent class data */