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Message-ID: <10276e15-8528-41a9-4b90-7fdf6b890206@redhat.com>
Date: Mon, 14 Aug 2023 10:41:27 +0200
From: Hans de Goede <hdegoede@...hat.com>
To: Jorge Lopez <jorgealtxwork@...il.com>,
platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org,
thomas@...ch.de, ilpo.jarvinen@...ux.intel.com,
dan.carpenter@...aro.org
Subject: Re: [PATCH] hp-bioscfg: Update steps how order list elements are
evaluated
Hi Jorge,
On 8/9/23 23:07, Jorge Lopez wrote:
> Update steps how order list elements data and elements size are
> evaluated
>
> Signed-off-by: Jorge Lopez <jorge.lopez2@...com>
>
> ---
> Based on the latest platform-drivers-x86.git/for-next
> ---
> .../x86/hp/hp-bioscfg/order-list-attributes.c | 16 ++++++++++++++--
> 1 file changed, 14 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/platform/x86/hp/hp-bioscfg/order-list-attributes.c b/drivers/platform/x86/hp/hp-bioscfg/order-list-attributes.c
> index b19644ed12e0..d2b61ab950d4 100644
> --- a/drivers/platform/x86/hp/hp-bioscfg/order-list-attributes.c
> +++ b/drivers/platform/x86/hp/hp-bioscfg/order-list-attributes.c
> @@ -152,7 +152,7 @@ static int hp_populate_ordered_list_elements_from_package(union acpi_object *ord
>
> switch (order_obj[elem].type) {
> case ACPI_TYPE_STRING:
> - if (elem != PREREQUISITES && elem != ORD_LIST_ELEMENTS) {
> + if (elem != PREREQUISITES) {
> ret = hp_convert_hexstr_to_str(order_obj[elem].string.pointer,
> order_obj[elem].string.length,
> &str_value, &value_len);
> @@ -266,6 +266,15 @@ static int hp_populate_ordered_list_elements_from_package(union acpi_object *ord
> if (ret)
> goto exit_list;
>
> + /*
> + * It is expected for the element size value
> + * to be 1 and not to represent the actual
> + * number of elements stored in comma
> + * separated format. element size value is
> + * recalculated to report the correct number
> + * of data elements found.
> + */
> +
> part_tmp = tmpstr;
> part = strsep(&part_tmp, COMMA_SEP);
> if (!part)
> @@ -273,11 +282,14 @@ static int hp_populate_ordered_list_elements_from_package(union acpi_object *ord
> tmpstr,
> sizeof(ordered_list_data->elements[0]));
>
> - for (olist_elem = 1; olist_elem < MAX_ELEMENTS_SIZE && part; olist_elem++) {
> + for (olist_elem = 0; olist_elem < MAX_ELEMENTS_SIZE && part; olist_elem++) {
> strscpy(ordered_list_data->elements[olist_elem],
> part,
> sizeof(ordered_list_data->elements[olist_elem]));
> +
> part = strsep(&part_tmp, COMMA_SEP);
> + if (part && ordered_list_data->elements_size < MAX_ELEMENTS_SIZE)
> + ordered_list_data->elements_size++;
> }
I believe that you can replace the:
if (part && ordered_list_data->elements_size < MAX_ELEMENTS_SIZE)
ordered_list_data->elements_size++;
}
Lines with simply (after the loop has finished) doing:
}
ordered_list_data->elements_size = olist_elem'
Or am I missing something ?
Regards,
Hans
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