From a6e7719bbe05993613a8de69dba14fa092144925 Mon Sep 17 00:00:00 2001
From: Andrey Borzenkov <arvidjaar@gmail.com>
Date: Wed, 25 Dec 2013 22:36:28 +0400
Subject: [PATCH 001/152] fix EFI detection on Windows
We are on legacy BIOS if GetFirmwareEnvironmentVariable fails (returns
zero) *and* extended error information is ERROR_INVALID_FUNCTION.
Cf. http://msdn.microsoft.com/en-us/library/windows/desktop/ms724325%28v=vs.85%29.aspx
---
ChangeLog | 5 +++++
grub-core/osdep/windows/platform.c | 2 +-
2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/ChangeLog b/ChangeLog
index 41bcebf..21ec1c7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2013-12-25 Andrey Borzenkov <arvidjaar@gmail.com>
+
+ * grub-core/osdep/windows/platform.c (get_platform): Fix EFI
+ detection.
+
2013-12-24 Vladimir Serbinenko <phcoder@gmail.com>
* configure.ac: Set version to 2.02~beta2.
diff --git a/grub-core/osdep/windows/platform.c b/grub-core/osdep/windows/platform.c
index f2b9d71..d217efe 100644
--- a/grub-core/osdep/windows/platform.c
+++ b/grub-core/osdep/windows/platform.c
@@ -100,7 +100,7 @@ get_platform (void)
if (!func_GetFirmwareEnvironmentVariableW (L"BootOrder", GRUB_EFI_GLOBAL_VARIABLE_GUID_WINDOWS_STR,
buffer, sizeof (buffer))
- && GetLastError () != ERROR_INVALID_FUNCTION)
+ && GetLastError () == ERROR_INVALID_FUNCTION)
{
platform = PLAT_BIOS;
return;
--
1.9.3