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| author | Steve Clevenger <scclevenger@os.amperecomputing.com> | 2023-02-27 16:54:32 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-04-13 16:48:23 +0200 |
| commit | bc61cce6a658d844920371bf7f5970adaf78a4d0 (patch) | |
| tree | 389fdae087f1a4b4d3b4947d53ea3bf8fe0b9910 | |
| parent | 97302eb6ca48b7bbb1a19f7c92e963684e65dd47 (diff) | |
| download | linux-bc61cce6a658d844920371bf7f5970adaf78a4d0.tar.gz linux-bc61cce6a658d844920371bf7f5970adaf78a4d0.tar.bz2 linux-bc61cce6a658d844920371bf7f5970adaf78a4d0.zip | |
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-core.c | 2 |
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 f4aa41e31e1f..2b22343918d6 100644 --- 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_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)); } |