Re: [PATCH] ACPI PPTT: Fix typos in a couple of sizeof() calls.

From: Rafael J. Wysocki
Date: Mon Apr 07 2025 - 15:04:21 EST


On Wed, Apr 2, 2025 at 2:15 AM Jean-Marc Eurin <jmeurin@xxxxxxxxxx> wrote:
>
> The end of table checks should be done with the structure size,
> but 2 of the 3 similar calls use the pointer size.
>
> Signed-off-by: Jean-Marc Eurin <jmeurin@xxxxxxxxxx>
> ---
> drivers/acpi/pptt.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/acpi/pptt.c b/drivers/acpi/pptt.c
> index a35dd0e41c27..f73ce6e13065 100644
> --- a/drivers/acpi/pptt.c
> +++ b/drivers/acpi/pptt.c
> @@ -229,7 +229,7 @@ static int acpi_pptt_leaf_node(struct acpi_table_header *table_hdr,
> node_entry = ACPI_PTR_DIFF(node, table_hdr);
> entry = ACPI_ADD_PTR(struct acpi_subtable_header, table_hdr,
> sizeof(struct acpi_table_pptt));
> - proc_sz = sizeof(struct acpi_pptt_processor *);
> + proc_sz = sizeof(struct acpi_pptt_processor);
>
> while ((unsigned long)entry + proc_sz < table_end) {
> cpu_node = (struct acpi_pptt_processor *)entry;
> @@ -270,7 +270,7 @@ static struct acpi_pptt_processor *acpi_find_processor_node(struct acpi_table_he
> table_end = (unsigned long)table_hdr + table_hdr->length;
> entry = ACPI_ADD_PTR(struct acpi_subtable_header, table_hdr,
> sizeof(struct acpi_table_pptt));
> - proc_sz = sizeof(struct acpi_pptt_processor *);
> + proc_sz = sizeof(struct acpi_pptt_processor);
>
> /* find the processor structure associated with this cpuid */
> while ((unsigned long)entry + proc_sz < table_end) {
> --

Applied as 6.15-rc material with a couple of edits in the subject.

Thanks!