linux-kernel - [PATCH] selftests/x86/syscall: use ARRAY

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Message-Id: <1623232506-91641-1-git-send-email-jiapeng.chong@linux.alibaba.com>
Date:   Wed,  9 Jun 2021 17:55:06 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     shuah@...nel.org
Cc:     linux-kselftest@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Subject: [PATCH] selftests/x86/syscall: use ARRAY_SIZE for msbs

Use ARRAY_SIZE instead of dividing sizeof array with sizeof an
element.

Clean up the following coccicheck warning:

./tools/testing/selftests/x86/syscall_numbering.c:316:35-36: WARNING:
Use ARRAY_SIZE.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 tools/testing/selftests/x86/syscall_numbering.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/x86/syscall_numbering.c b/tools/testing/selftests/x86/syscall_numbering.c
index 9915917..7d5e246 100644
--- a/tools/testing/selftests/x86/syscall_numbering.c
+++ b/tools/testing/selftests/x86/syscall_numbering.c
@@ -313,7 +313,7 @@ static void test_syscall_numbering(void)
 	 * The MSB is supposed to be ignored, so we loop over a few
 	 * to test that out.
 	 */
-	for (size_t i = 0; i < sizeof(msbs)/sizeof(msbs[0]); i++) {
+	for (size_t i = 0; i < ARRAY_SIZE(msbs); i++) {
 		int msb = msbs[i];
 		run("Checking system calls with msb = %d (0x%x)\n",
 		    msb, msb);
-- 
1.8.3.1