linux-kernel - Re: [PATCH V2 8/9] platform/x86/intel/sdsi: Simplify ascii printing

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Date: Tue, 27 Feb 2024 18:59:19 -0800
From: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@...ux.intel.com>
To: "David E. Box" <david.e.box@...ux.intel.com>,
 rajvi.jingar@...ux.intel.com, platform-driver-x86@...r.kernel.org,
 linux-kernel@...r.kernel.org, hdegoede@...hat.com,
 ilpo.jarvinen@...ux.intel.com
Subject: Re: [PATCH V2 8/9] platform/x86/intel/sdsi: Simplify ascii printing


On 2/27/24 4:00 PM, David E. Box wrote:
> Use printf width specifier to set the display length of encoded feature
> names.
>
> Signed-off-by: David E. Box <david.e.box@...ux.intel.com>
> ---

Looks fine to me.

Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@...ux.intel.com>

> V2 - Split of V1 patch 7
>
>  tools/arch/x86/intel_sdsi/intel_sdsi.c | 11 ++++-------
>  1 file changed, 4 insertions(+), 7 deletions(-)
>
> diff --git a/tools/arch/x86/intel_sdsi/intel_sdsi.c b/tools/arch/x86/intel_sdsi/intel_sdsi.c
> index 2acc6be5f5d6..a8fb6d17405f 100644
> --- a/tools/arch/x86/intel_sdsi/intel_sdsi.c
> +++ b/tools/arch/x86/intel_sdsi/intel_sdsi.c
> @@ -407,11 +407,10 @@ static int sdsi_meter_cert_show(struct sdsi_dev *s)
>  
>  	printf("Number of Feature Counters:   %d\n", mc->bundle_length / 8);
>  	while (count < mc->bundle_length / 8) {
> -		char feature[5];
> +		char feature[4];
>  
> -		feature[4] = '\0';
>  		get_feature(bec[count].encoding, feature);
> -		printf("    %s:          %d\n", feature, bec[count].counter);
> +		printf("    %.4s:          %d\n", feature, bec[count].counter);
>  		++count;
>  	}
>  
> @@ -492,7 +491,7 @@ static int sdsi_state_cert_show(struct sdsi_dev *s)
>  			sizeof(*lki) +			// size of the license key info
>  			offset;				// offset to this blob content
>  		struct bundle_encoding *bundle = (void *)(lbc) + sizeof(*lbc);
> -		char feature[5];
> +		char feature[4];
>  		uint32_t i;
>  
>  		printf("     Blob %d:\n", count - 1);
> @@ -505,11 +504,9 @@ static int sdsi_state_cert_show(struct sdsi_dev *s)
>  		printf("        Blob revision ID:           %u\n", lbc->rev_id);
>  		printf("        Number of Features:         %u\n", lbc->num_bundles);
>  
> -		feature[4] = '\0';
> -
>  		for (i = 0; i < min(lbc->num_bundles, STATE_MAX_NUM_IN_BUNDLE); i++) {
>  			get_feature(bundle[i].encoding, feature);
> -			printf("                 Feature %d:         %s\n", i, feature);
> +			printf("                 Feature %d:         %.4s\n", i, feature);
>  		}
>  
>  		if (lbc->num_bundles > STATE_MAX_NUM_IN_BUNDLE)

-- 
Sathyanarayanan Kuppuswamy
Linux Kernel Developer