Patch "tools/arch/x86/intel_sdsi: Fix meter_certificate decoding" has been added to the 6.9-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    tools/arch/x86/intel_sdsi: Fix meter_certificate decoding

to the 6.9-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     tools-arch-x86-intel_sdsi-fix-meter_certificate-deco.patch
and it can be found in the queue-6.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit d39b5765aad126262a8a18554321780f2ea6ed7b
Author: David E. Box <david.e.box@xxxxxxxxxxxxxxx>
Date:   Wed Apr 10 19:58:54 2024 -0700

    tools/arch/x86/intel_sdsi: Fix meter_certificate decoding
    
    [ Upstream commit 09d70ded6c566fd00886be32c26d0b2004ef239c ]
    
    Fix errors in the calculation of the start position of the counters and in
    the display loop. While here, use a #define for the bundle count and size.
    
    Fixes: 7fdc03a7370f ("tools/arch/x86: intel_sdsi: Add support for reading meter certificates")
    Signed-off-by: David E. Box <david.e.box@xxxxxxxxxxxxxxx>
    Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@xxxxxxxxxxxxxxx>
    Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
    Link: https://lore.kernel.org/r/20240411025856.2782476-8-david.e.box@xxxxxxxxxxxxxxx
    Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/tools/arch/x86/intel_sdsi/intel_sdsi.c b/tools/arch/x86/intel_sdsi/intel_sdsi.c
index ae29214da1029..ba2a6b6645ae8 100644
--- a/tools/arch/x86/intel_sdsi/intel_sdsi.c
+++ b/tools/arch/x86/intel_sdsi/intel_sdsi.c
@@ -394,7 +394,7 @@ static int sdsi_meter_cert_show(struct sdsi_dev *s)
 	printf("MMRC encoding:                %.4s\n", name);
 
 	printf("MMRC counter:                 %d\n", mc->mmrc_counter);
-	if (mc->bundle_length % 8) {
+	if (mc->bundle_length % METER_BUNDLE_SIZE) {
 		fprintf(stderr, "Invalid bundle length\n");
 		return -1;
 	}
@@ -405,15 +405,16 @@ static int sdsi_meter_cert_show(struct sdsi_dev *s)
 		return -1;
 	}
 
-	bec = (void *)(mc) + sizeof(mc);
+	bec = (struct bundle_encoding_counter *)(mc + 1);
 
 	printf("Number of Feature Counters:   %ld\n", BUNDLE_COUNT(mc->bundle_length));
-	while (count++ < mc->bundle_length / 8) {
+	while (count < BUNDLE_COUNT(mc->bundle_length)) {
 		char feature[5];
 
 		feature[4] = '\0';
 		get_feature(bec[count].encoding, feature);
 		printf("    %s:          %d\n", feature, bec[count].counter);
+		++count;
 	}
 
 	return 0;