Thread (5 messages) 5 messages, 4 authors, 2023-02-28

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

From: Steve Clevenger <hidden>
Date: 2023-02-27 23:56:17
Subsystem: arm/coresight framework and drivers, hardware tracing facilities, the rest · Maintainers: Suzuki K Poulose, Alexander Shishkin, Linus Torvalds

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

Signed-off-by: Steve Clevenger <redacted>
---
 drivers/hwtracing/coresight/coresight-etm4x-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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));
 	}
-- 
2.25.1


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