linux-kernel - [PATCH linux-next] selftests/proc: fix array

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Message-Id: <20220321102546.12569-1-guozhengkui@vivo.com>
Date:   Mon, 21 Mar 2022 18:25:17 +0800
From:   Guo Zhengkui <guozhengkui@...o.com>
To:     Shuah Khan <shuah@...nel.org>, Guo Zhengkui <guozhengkui@...o.com>,
        linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        linux-kselftest@...r.kernel.org
Cc:     zhengkui_guo@...look.com
Subject: [PATCH linux-next] selftests/proc: fix array_size.cocci warning

Fix the following coccicheck warning:

tools/testing/selftests/proc/proc-pid-vm.c:371:26-27:
WARNING: Use ARRAY_SIZE
tools/testing/selftests/proc/proc-pid-vm.c:420:26-27:
WARNING: Use ARRAY_SIZE

It has been tested with gcc (Debian 8.3.0-6) 8.3.0 on x86_64.

Signed-off-by: Guo Zhengkui <guozhengkui@...o.com>
---
 tools/testing/selftests/proc/proc-pid-vm.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/proc/proc-pid-vm.c b/tools/testing/selftests/proc/proc-pid-vm.c
index 18a3bde8bc96..28604c9f805c 100644
--- a/tools/testing/selftests/proc/proc-pid-vm.c
+++ b/tools/testing/selftests/proc/proc-pid-vm.c
@@ -46,6 +46,8 @@
 #include <sys/time.h>
 #include <sys/resource.h>
 
+#include "../kselftest.h"
+
 static inline long sys_execveat(int dirfd, const char *pathname, char **argv, char **envp, int flags)
 {
 	return syscall(SYS_execveat, dirfd, pathname, argv, envp, flags);
@@ -368,7 +370,7 @@ int main(void)
 		};
 		int i;
 
-		for (i = 0; i < sizeof(S)/sizeof(S[0]); i++) {
+		for (i = 0; i < ARRAY_SIZE(S); i++) {
 			assert(memmem(buf, rv, S[i], strlen(S[i])));
 		}
 
@@ -417,7 +419,7 @@ int main(void)
 		};
 		int i;
 
-		for (i = 0; i < sizeof(S)/sizeof(S[0]); i++) {
+		for (i = 0; i < ARRAY_SIZE(S); i++) {
 			assert(memmem(buf, rv, S[i], strlen(S[i])));
 		}
 	}
-- 
2.20.1