linux-kernel - [PATCH] selftests/bpf: Use ARRAY

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Date: Fri,  2 Feb 2024 17:06:52 +0800
From: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To: andrii@...nel.org
Cc: eddyz87@...il.com,
	mykolal@...com,
	ast@...nel.org,
	daniel@...earbox.net,
	martin.lau@...ux.dev,
	song@...nel.org,
	yonghong.song@...ux.dev,
	john.fastabend@...il.com,
	kpsingh@...nel.org,
	sdf@...gle.com,
	haoluo@...gle.com,
	jolsa@...nel.org,
	shuah@...nel.org,
	bpf@...r.kernel.org,
	linux-kselftest@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
	Abaci Robot <abaci@...ux.alibaba.com>
Subject: [PATCH] selftests/bpf: Use ARRAY_SIZE for array length

Use of macro ARRAY_SIZE to calculate array size minimizes
the redundant code and improves code reusability.

/tools/testing/selftests/bpf/progs/syscall.c:122:26-27: WARNING: Use ARRAY_SIZE.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=8170
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 tools/testing/selftests/bpf/progs/syscall.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/bpf/progs/syscall.c b/tools/testing/selftests/bpf/progs/syscall.c
index 3d3cafdebe72..297a34f224c3 100644
--- a/tools/testing/selftests/bpf/progs/syscall.c
+++ b/tools/testing/selftests/bpf/progs/syscall.c
@@ -119,7 +119,7 @@ int load_prog(struct args *ctx)
 	static __u64 value = 34;
 	static union bpf_attr prog_load_attr = {
 		.prog_type = BPF_PROG_TYPE_XDP,
-		.insn_cnt = sizeof(insns) / sizeof(insns[0]),
+		.insn_cnt = ARRAY_SIZE(insns)
 	};
 	int ret;
 
-- 
2.20.1.7.g153144c