[U-Boot] [RFC 1/8] efi_loader: boottime: don't add device path protocol to image handle

[Heinrich Schuchardt <xypron.glpk@gmx.de>]

On 3/5/19 6:53 AM, AKASHI Takahiro wrote:
> It is just wrong to add devcie path protocol to image handle.
> 
> Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
> ---
>  lib/efi_loader/efi_boottime.c | 11 +----------
>  1 file changed, 1 insertion(+), 10 deletions(-)
> 
> diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c
> index bd8b8a17ae71..7bd9c0a952d4 100644
> --- a/lib/efi_loader/efi_boottime.c
> +++ b/lib/efi_loader/efi_boottime.c
> @@ -1540,17 +1540,8 @@ efi_status_t efi_setup_loaded_image(struct efi_device_path *device_path,
>  	info->file_path = file_path;
>  	info->system_table = &systab;
>  
> -	if (device_path) {
> +	if (device_path)
>  		info->device_handle = efi_dp_find_obj(device_path, NULL);
> -		/*
> -		 * When asking for the device path interface, return
> -		 * bootefi_device_path
> -		 */
> -		ret = efi_add_protocol(&obj->header,
> -				       &efi_guid_device_path, device_path);

Installing the device path is not the problem. It is the GUID that is
wrong. Use EFI_LOADED_IMAGE_DEVICE_PATH_PROTOCOL_GUID here.

UEFI Spec 2.7:

"The Loaded Image Device Path Protocol must be installed onto the image
handle of a PE/COFF image loaded through the EFI Boot Service LoadImage()."

Best regards

Heinrich

> -		if (ret != EFI_SUCCESS)
> -			goto failure;
> -	}
>  
>  	/*
>  	 * When asking for the loaded_image interface, just
>