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efi_loader: set partition GUID in device path for SIG_TYPE_GUID

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Previously, the GPT device GUID was being used instead of the partition,
which was incorrect.

Signed-off-by: Alfonso Sánchez-Beato <alfonso.sanchez-beato@canonical.com>

Let EFI_LOADER select CONFIG_PARTITION_UUIDS.
Use log_warning() instead of printf() for warning.
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
This commit is contained in:
Alfonso Sánchez-Beato 2021-07-15 15:31:42 +02:00 committed by Heinrich Schuchardt
parent f929ce5072
commit 17f8cda505
2 changed files with 9 additions and 2 deletions
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1
lib/efi_loader/Kconfig
View file

@ -12,6 +12,7 @@ config EFI_LOADER
depends on !EFI_STUB || !X86 || X86_64 || EFI_STUB_32BIT
default y if !ARM || SYS_CPU = armv7 || SYS_CPU = armv8
select LIB_UUID
select PARTITION_UUIDS
select HAVE_BLOCK_DEVICE
select REGEX
imply CFB_CONSOLE_ANSI

10
lib/efi_loader/efi_device_path.c
View file

@ -5,6 +5,8 @@
* (C) Copyright 2017 Rob Clark
*/
#define LOG_CATEGORY LOGC_EFI
#include <common.h>
#include <blk.h>
#include <dm.h>
@ -16,6 +18,7 @@
#include <efi_loader.h>
#include <part.h>
#include <sandboxblockdev.h>
#include <uuid.h>
#include <asm-generic/unaligned.h>
#include <linux/compat.h> /* U16_MAX */
@ -851,8 +854,11 @@ static void *dp_part_node(void *buf, struct blk_desc *desc, int part)
break;
case SIG_TYPE_GUID:
hddp->signature_type = 2;
memcpy(hddp->partition_signature, &desc->guid_sig,
sizeof(hddp->partition_signature));
if (uuid_str_to_bin(info.uuid,
hddp->partition_signature, 1))
log_warning(
"Partition no. %d: invalid guid: %s\n",
part, info.uuid);
break;
}