linux-kernel - [PATCH -next] um: Use ARRAY

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Message-ID: <20250807023227.2443863-1-jiapeng.chong@linux.alibaba.com>
Date: Thu,  7 Aug 2025 10:32:27 +0800
From: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To: richard@....at
Cc: anton.ivanov@...bridgegreys.com,
	johannes@...solutions.net,
	linux-um@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
	Abaci Robot <abaci@...ux.alibaba.com>
Subject: [PATCH -next] um: Use ARRAY_SIZE for array length

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

./arch/um/kernel/skas/stub_exe.c:196:23-24: WARNING: Use ARRAY_SIZE.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=23410
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 arch/um/kernel/skas/stub_exe.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/um/kernel/skas/stub_exe.c b/arch/um/kernel/skas/stub_exe.c
index cbafaa684e66..01a938a5bb4f 100644
--- a/arch/um/kernel/skas/stub_exe.c
+++ b/arch/um/kernel/skas/stub_exe.c
@@ -193,7 +193,7 @@ noinline static void real_init(void)
 			BPF_STMT(BPF_RET | BPF_K, SECCOMP_RET_ALLOW),
 		};
 		struct sock_fprog prog = {
-			.len = sizeof(filter) / sizeof(filter[0]),
+			.len = ARRAY_SIZE(filter),
 			.filter = filter,
 		};
 
-- 
2.43.5