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authorSteve Clevenger <scclevenger@os.amperecomputing.com>2023-02-27 16:54:32 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-04-20 12:02:12 +0200
commit078465f341543ce5c3492696dffad1a96e3092b2 (patch)
treed3962212cec8f1b94e9c5466c57e1bcf5d36f86d
parent7ef63764b4e8ebc187e813acd4088088e8b47782 (diff)
coresight-etm4: Fix for() loop drvdata->nr_addr_cmp range bug
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@vger.kernel.org Signed-off-by: Steve Clevenger <scclevenger@os.amperecomputing.com> Reviewed-by: James Clark <james.clark@arm.com> Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com> Link: https://lore.kernel.org/r/4a4ee61ce8ef402615a4528b21a051de3444fb7b.1677540079.git.scclevenger@os.amperecomputing.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/hwtracing/coresight/coresight-etm4x.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/hwtracing/coresight/coresight-etm4x.c b/drivers/hwtracing/coresight/coresight-etm4x.c
index fb392688281b..7a82f51568d0 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x.c
@@ -150,7 +150,7 @@ static void etm4_enable_hw(void *info)
writel_relaxed(config->ss_pe_cmp[i],
drvdata->base + TRCSSPCICRn(i));
}
- for (i = 0; i < drvdata->nr_addr_cmp; i++) {
+ for (i = 0; i < drvdata->nr_addr_cmp * 2; i++) {
writeq_relaxed(config->addr_val[i],
drvdata->base + TRCACVRn(i));
writeq_relaxed(config->addr_acc[i],