[U-Boot] [PATCH v2 18/23] efi_loader: implement a pseudo "file delete"

[Alexander Graf]

On 04.09.18 09:49, AKASHI Takahiro wrote:
> This patch is necessary to run SCT.efi (UEFI Self-Certification Test).
> Returning EFI_SUCCESS can cheat SCT execution.
> 
> Signed-off-by: AKASHI Takahiro <takahiro.akashi at linaro.org>

How hard would it be to implement a real delete instead?


Alex

> ---
>  lib/efi_loader/efi_file.c | 10 +++++++++-
>  1 file changed, 9 insertions(+), 1 deletion(-)
> 
> diff --git a/lib/efi_loader/efi_file.c b/lib/efi_loader/efi_file.c
> index 6ec98c80227e..12044a0c7196 100644
> --- a/lib/efi_loader/efi_file.c
> +++ b/lib/efi_loader/efi_file.c
> @@ -226,12 +226,20 @@ static efi_status_t EFIAPI efi_file_close(struct efi_file_handle *file)
>  	return EFI_EXIT(file_close(fh));
>  }
>  
> +static efi_status_t EFIAPI efi_file_write(struct efi_file_handle *file,
> +					  efi_uintn_t *buffer_size,
> +					  void *buffer);
> +
>  static efi_status_t EFIAPI efi_file_delete(struct efi_file_handle *file)
>  {
>  	struct file_handle *fh = to_fh(file);
> +	efi_uintn_t size = 0;
>  	EFI_ENTRY("%p", file);
> +
> +	/* TODO: implement real 'delete' */
> +	efi_file_write(file, &size, NULL);
>  	file_close(fh);
> -	return EFI_EXIT(EFI_WARN_DELETE_FAILURE);
> +	return EFI_SUCCESS;
>  }
>  
>  static efi_status_t file_read(struct file_handle *fh, u64 *buffer_size,
>