[tip: x86/cleanups] selftests/x86/syscall: Fix coccinelle WARNING recommending the use of ARRAY_SIZE()

From: tip-bot2 for Mirsad Todorovac
Date: Mon Mar 03 2025 - 06:55:30 EST


The following commit has been merged into the x86/cleanups branch of tip:

Commit-ID: 40fc7561013914ec08c200bb7a0805643a23e070
Gitweb: https://git.kernel.org/tip/40fc7561013914ec08c200bb7a0805643a23e070
Author: Mirsad Todorovac <mtodorovac69@xxxxxxxxx>
AuthorDate: Fri, 01 Nov 2024 12:15:23 +01:00
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitterDate: Mon, 03 Mar 2025 12:38:49 +01:00

selftests/x86/syscall: Fix coccinelle WARNING recommending the use of ARRAY_SIZE()

Coccinelle gives WARNING recommending the use of ARRAY_SIZE() macro definition
to improve the code readability:

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

Fixes: 15c82d98a0f78 ("selftests/x86/syscall: Update and extend syscall_numbering_64")
Signed-off-by: Mirsad Todorovac <mtodorovac69@xxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20241101111523.1293193-2-mtodorovac69@xxxxxxxxx
---
tools/testing/selftests/x86/syscall_numbering.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/x86/syscall_numbering.c b/tools/testing/selftests/x86/syscall_numbering.c
index 9915917..41c42b7 100644
--- a/tools/testing/selftests/x86/syscall_numbering.c
+++ b/tools/testing/selftests/x86/syscall_numbering.c
@@ -25,6 +25,7 @@
#include <sys/mman.h>

#include <linux/ptrace.h>
+#include "../kselftest.h"

/* Common system call numbers */
#define SYS_READ 0
@@ -313,7 +314,7 @@ 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);