Re: [PATCH V2 7/9] tools/arch/x86/intel_sdsi: Fix meter_certificate decoding

From: Kuppuswamy Sathyanarayanan
Date: Tue Feb 27 2024 - 21:58:37 EST



On 2/27/24 4:00 PM, David E. Box wrote:
> Fix errors in the calculation of the start position of the counters and in
> the display loop.
>
> Fixes: aad129780bae ("platform/x86/intel/sdsi: Add support for reading the current meter state")
> Signed-off-by: David E. Box <david.e.box@xxxxxxxxxxxxxxx>
> ---

Looks good to me.

Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@xxxxxxxxxxxxxxx>

>
> V2 - Split of V1 patch 7
>
> tools/arch/x86/intel_sdsi/intel_sdsi.c | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/tools/arch/x86/intel_sdsi/intel_sdsi.c b/tools/arch/x86/intel_sdsi/intel_sdsi.c
> index def1b9a01738..2acc6be5f5d6 100644
> --- a/tools/arch/x86/intel_sdsi/intel_sdsi.c
> +++ b/tools/arch/x86/intel_sdsi/intel_sdsi.c
> @@ -403,15 +403,16 @@ static int sdsi_meter_cert_show(struct sdsi_dev *s)
> return -1;
> }
>
> - bec = (void *)(mc) + sizeof(mc);
> + bec = (void *)(mc) + sizeof(*mc);
>
> printf("Number of Feature Counters: %d\n", mc->bundle_length / 8);
> - while (count++ < mc->bundle_length / 8) {
> + while (count < mc->bundle_length / 8) {
> char feature[5];
>
> feature[4] = '\0';
> get_feature(bec[count].encoding, feature);
> printf(" %s: %d\n", feature, bec[count].counter);
> + ++count;
> }
>
> return 0;

--
Sathyanarayanan Kuppuswamy
Linux Kernel Developer