From: Heinrich Schuchardt <xypron.glpk@gmx.de>
Date: Sun, 16 Dec 2018 10:16:03 +0000 (+0100)
Subject: efi_loader: efi_guid_t must be 64-bit aligned
X-Git-Tag: v2019.04-rc2~13^2~49
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=4b05fe9c550ba4941e973c1bc389555d73747ed4;p=platform%2Fkernel%2Fu-boot.git

efi_loader: efi_guid_t must be 64-bit aligned

The UEFI Specification Version 2.7 Errata A defines:

"EFI_GUID
128-bit buffer containing a unique identifier value.
Unless otherwise specified, aligned on a 64-bit boundary."

Before this patch efi_guid_t was 8-bit aligned.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
---

diff --git a/include/efi.h b/include/efi.h
index b5e2c64..d98441a 100644
--- a/include/efi.h
+++ b/include/efi.h
@@ -49,7 +49,7 @@ struct efi_device_path;
 
 typedef struct {
 	u8 b[16];
-} efi_guid_t;
+} efi_guid_t __attribute__((aligned(8)));
 
 #define EFI_BITS_PER_LONG	(sizeof(long) * 8)