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authorSteve Clevenger <scclevenger@os.amperecomputing.com>2023-02-28 02:54:32 +0300
committerSuzuki K Poulose <suzuki.poulose@arm.com>2023-03-21 15:30:12 +0300
commitbf84937e882009075f57fd213836256fc65d96bc (patch)
tree371824a0e02c5c855317923b5fc9b8dc896f4924 /drivers/hwtracing
parenteeac8ede17557680855031c6f305ece2378af326 (diff)
downloadlinux-bf84937e882009075f57fd213836256fc65d96bc.tar.xz
coresight-etm4: Fix for() loop drvdata->nr_addr_cmp range bug
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
Diffstat (limited to 'drivers/hwtracing')
-rw-r--r--drivers/hwtracing/coresight/coresight-etm4x-core.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c
index 1ea8f173cca0..104333c2c8a3 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x-core.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c
@@ -472,7 +472,7 @@ static int etm4_enable_hw(struct etmv4_drvdata *drvdata)
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));
}