[PATCH] efi_loader: Allow also empty capsule to be process

[Heinrich Schuchardt]

On 13.07.23 16:35, Michal Simek wrote:
> Empty capsule are also allowed to be process. Without it updated images
> can't change their Image Acceptance state from no to yes.

Is there any documentation describing the usage of empty capsule to set
the image acceptance state?

Best regards

Heinrich

>
> Signed-off-by: Michal Simek <michal.simek at amd.com>
> ---
>
>   lib/efi_loader/efi_capsule.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/lib/efi_loader/efi_capsule.c b/lib/efi_loader/efi_capsule.c
> index 7a6f195cbc02..93e83e5f04c3 100644
> --- a/lib/efi_loader/efi_capsule.c
> +++ b/lib/efi_loader/efi_capsule.c
> @@ -752,7 +752,8 @@ efi_status_t EFIAPI efi_update_capsule(
>   		log_debug("Capsule[%d] (guid:%pUs)\n",
>   			  i, &capsule->capsule_guid);
>   		if (!guidcmp(&capsule->capsule_guid,
> -			     &efi_guid_firmware_management_capsule_id)) {
> +			     &efi_guid_firmware_management_capsule_id) ||
> +		    fwu_empty_capsule(capsule)) {
>   			ret  = efi_capsule_update_firmware(capsule);
>   		} else {
>   			log_err("Unsupported capsule type: %pUs\n",