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

From: Kuppuswamy Sathyanarayanan
Date: Tue Feb 27 2024 - 21:59:30 EST



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@xxxxxxxxxxxxxxx>
> ---

Looks fine to me.

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

> 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