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.aka...@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
> 

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