Re: [PATCH v10 06/21] acpi/ghes: Remove a duplicated out of bounds check

[Igor Mammedov]

On Sat, 14 Sep 2024 08:13:27 +0200
Mauro Carvalho Chehab <mchehab+huawei@kernel.org> wrote:

> acpi_ghes_record_errors() has an assert() at the beginning
> to ensure that source_id will be lower than
> ACPI_GHES_ERROR_SOURCE_COUNT. Remove a duplicated check.
> 
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

Reviewed-by: Igor Mammedov <imammedo@redhat.com>

> ---
>  hw/acpi/ghes.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/hw/acpi/ghes.c b/hw/acpi/ghes.c
> index 939e89723a2f..36fe5f68782f 100644
> --- a/hw/acpi/ghes.c
> +++ b/hw/acpi/ghes.c
> @@ -420,9 +420,7 @@ int acpi_ghes_record_errors(uint8_t source_id, uint64_t 
> physical_address)
>          return -1;
>      }
>  
> -    if (source_id < ACPI_GHES_ERROR_SOURCE_COUNT) {
> -        start_addr += source_id * sizeof(uint64_t);
> -    }
> +    start_addr += source_id * sizeof(uint64_t);
>  
>      cpu_physical_memory_read(start_addr, &error_block_addr,
>                                  sizeof(error_block_addr));