Patch "coresight-etm4: Fix for() loop drvdata->nr_addr_cmp range bug" has been added to the 5.15-stable tree

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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

    coresight-etm4: Fix for() loop drvdata->nr_addr_cmp range bug

to the 5.15-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:
     coresight-etm4-fix-for-loop-drvdata-nr_addr_cmp-range-bug.patch
and it can be found in the queue-5.15 subdirectory.

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


>From bf84937e882009075f57fd213836256fc65d96bc Mon Sep 17 00:00:00 2001
From: Steve Clevenger <scclevenger@xxxxxxxxxxxxxxxxxxxxxx>
Date: Mon, 27 Feb 2023 16:54:32 -0700
Subject: coresight-etm4: Fix for() loop drvdata->nr_addr_cmp range bug

From: Steve Clevenger <scclevenger@xxxxxxxxxxxxxxxxxxxxxx>

commit bf84937e882009075f57fd213836256fc65d96bc upstream.

In etm4_enable_hw, fix for() loop range to represent address comparator pairs.

Fixes: 2e1cdfe184b5 ("coresight-etm4x: Adding CoreSight ETM4x driver")
Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Steve Clevenger <scclevenger@xxxxxxxxxxxxxxxxxxxxxx>
Reviewed-by: James Clark <james.clark@xxxxxxx>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@xxxxxxx>
Link: https://lore.kernel.org/r/4a4ee61ce8ef402615a4528b21a051de3444fb7b.1677540079.git.scclevenger@xxxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/hwtracing/coresight/coresight-etm4x-core.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/hwtracing/coresight/coresight-etm4x-core.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c
@@ -411,7 +411,7 @@ static int etm4_enable_hw(struct etmv4_d
 		if (etm4x_sspcicrn_present(drvdata, i))
 			etm4x_relaxed_write32(csa, config->ss_pe_cmp[i], TRCSSPCICRn(i));
 	}
-	for (i = 0; i < drvdata->nr_addr_cmp; i++) {
+	for (i = 0; i < drvdata->nr_addr_cmp * 2; i++) {
 		etm4x_relaxed_write64(csa, config->addr_val[i], TRCACVRn(i));
 		etm4x_relaxed_write64(csa, config->addr_acc[i], TRCACATRn(i));
 	}


Patches currently in stable-queue which might be from scclevenger@xxxxxxxxxxxxxxxxxxxxxx are

queue-5.15/coresight-etm4-fix-for-loop-drvdata-nr_addr_cmp-range-bug.patch
queue-5.15/coresight-etm4x-do-not-access-trcidr1-for-identification.patch



[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux