linux-kernel - Re: [PATCH V2 7/9] tools/arch/x86/intel_sdsi: Fix meter

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Date: Mon, 4 Mar 2024 15:32:26 +0200 (EET)
From: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To: "David E. Box" <david.e.box@...ux.intel.com>
cc: rajvi.jingar@...ux.intel.com, platform-driver-x86@...r.kernel.org, 
    LKML <linux-kernel@...r.kernel.org>, Hans de Goede <hdegoede@...hat.com>
Subject: Re: [PATCH V2 7/9] tools/arch/x86/intel_sdsi: Fix meter_certificate
 decoding

On Tue, 27 Feb 2024, 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@...ux.intel.com>
> ---
> 
> 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) {

One more sizeof() case here that wasn't pointed up earlier.


-- 
 i.