[PATCH] state: helpful error message if state GUID cannot be found

[Ahmad Fatoum]

Hello,

On 1/13/26 2:24 PM, Enrico Jörns wrote:
> So far, if the user didn't specify a valid GPT UID, state initialization
> failed with the not so helpful error message:
> 
> | ERROR: state state.of: probe failed: Invalid argument
> 
> Improve this by also providing a helpful error message.
> 
> Signed-off-by: Enrico Jörns <ejo at pengutronix.de>

Reviewed-by: Ahmad Fatoum <a.fatoum at pengutronix.de>

Thanks,
Ahmad

> ---
>  common/state/state.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/common/state/state.c b/common/state/state.c
> index ac6cd6e572..1c23ad4c80 100644
> --- a/common/state/state.c
> +++ b/common/state/state.c
> @@ -649,6 +649,7 @@ struct state *state_new_from_node(struct device_node *node, bool readonly)
>  	if (cdev_is_block_disk(cdev)) {
>  		cdev = cdev_find_child_by_gpt_typeuuid(cdev, &barebox_state_partition_guid);
>  		if (IS_ERR(cdev)) {
> +			dev_err(&state->dev, "cannot find backend GPT partition by PartitionTypeGUID\n");
>  			ret = -EINVAL;
>  			goto out_release_state;
>  		}

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