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[efi] Ensure that each HII package list and formset has a unique GUID

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Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2011-05-03 18:52:56 +01:00
parent 987b825b7f
commit 0a71888792
1 changed files with 6 additions and 3 deletions
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9
src/interface/efi/efi_snp.c
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@@ -769,8 +769,8 @@ static EFI_GUID efi_hii_config_access_protocol_guid
static EFI_HII_DATABASE_PROTOCOL *efihii;
EFI_REQUIRE_PROTOCOL ( EFI_HII_DATABASE_PROTOCOL, &efihii );
/** Local GUID used for our EFI SNP formset */
#define EFI_SNP_FORMSET_GUID \
/** Local base GUID used for our EFI SNP formset */
#define EFI_SNP_FORMSET_GUID_BASE \
{ 0xc4f84019, 0x6dfd, 0x4a27, \
{ 0x9b, 0x94, 0xb7, 0x2e, 0x1f, 0xbc, 0xad, 0xca } }
@@ -815,7 +815,7 @@ struct efi_snp_formset {
.Length = sizeof ( efi_snp_formset ),
.Type = EFI_HII_PACKAGE_FORMS,
},
.FormSet = EFI_IFR_FORM_SET ( EFI_SNP_FORMSET_GUID,
.FormSet = EFI_IFR_FORM_SET ( EFI_SNP_FORMSET_GUID_BASE,
EFI_SNP_FORMSET_TITLE,
EFI_SNP_FORMSET_HELP,
typeof ( efi_snp_formset.FormSet ),
@@ -992,6 +992,9 @@ efi_snp_package_list ( struct efi_snp_device *snpdev ) {
if ( ! package_list )
return NULL;
/* Create a unique GUID for this package list and formset */
efi_snp_formset.FormSet.FormSet.Guid.Data1++;
/* Populate package list */
memcpy ( &package_list->header.PackageListGuid,
&efi_snp_formset.FormSet.FormSet.Guid,