linux-kernel - [PATCH] selftests/dma: Fix bad array reference.

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Message-Id: <20250206021239.51897-1-liuye@kylinos.cn>
Date: Thu,  6 Feb 2025 10:12:39 +0800
From: Liu Ye <liuye@...inos.cn>
To: shuah@...nel.org
Cc: zhujun2@...s.chinamobile.com,
	iommu@...ts.linux.dev,
	linux-kselftest@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Liu Ye <liuye@...inos.cn>
Subject: [PATCH] selftests/dma: Fix bad array reference.

dir[directions] should be directions[dir] to correctly index the
directions array.

Signed-off-by: Liu Ye <liuye@...inos.cn>
---
 tools/testing/selftests/dma/dma_map_benchmark.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/dma/dma_map_benchmark.c b/tools/testing/selftests/dma/dma_map_benchmark.c
index b12f1f9babf8..b925756373ce 100644
--- a/tools/testing/selftests/dma/dma_map_benchmark.c
+++ b/tools/testing/selftests/dma/dma_map_benchmark.c
@@ -118,7 +118,7 @@ int main(int argc, char **argv)
 	}
 
 	printf("dma mapping benchmark: threads:%d seconds:%d node:%d dir:%s granule: %d\n",
-			threads, seconds, node, dir[directions], granule);
+			threads, seconds, node, directions[dir], granule);
 	printf("average map latency(us):%.1f standard deviation:%.1f\n",
 			map.avg_map_100ns/10.0, map.map_stddev/10.0);
 	printf("average unmap latency(us):%.1f standard deviation:%.1f\n",
-- 
2.25.1