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MokManager: Try APPEND_WRITE first

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Try to append the MOK/MOKX list first and then fallback to the normal
SetVariable if the firmware doesn't support EFI_VARIABLE_APPEND_WRITE.

Signed-off-by: Gary Lin <glin@suse.com>
This commit is contained in:
Gary Lin 2016-08-03 16:53:51 +08:00 committed by Peter Jones
parent 5597a493e2
commit e21068b499
1 changed files with 10 additions and 0 deletions
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MokManager.c
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@ -872,6 +872,16 @@ static EFI_STATUS write_db (CHAR16 *db_name, void *MokNew, UINTN MokNewSize)
UINTN old_size;
UINTN new_size;
status = uefi_call_wrapper(RT->SetVariable, 5, db_name,
&shim_lock_guid,
EFI_VARIABLE_NON_VOLATILE
| EFI_VARIABLE_BOOTSERVICE_ACCESS
| EFI_VARIABLE_APPEND_WRITE,
MokNewSize, MokNew);
if (status == EFI_SUCCESS || status != EFI_INVALID_PARAMETER) {
return status;
}
status = get_variable_attr(db_name, (UINT8 **)&old_data, &old_size,
shim_lock_guid, &attributes);
if (EFI_ERROR(status) && status != EFI_NOT_FOUND) {