[LTP] [PATCH v2 3/3] shmctl03: Use safe_shmctl(), TST_EXP_LE_LU()

[Petr Vorel]

Shorten code with safe function and test macro.
Link manpage.

Signed-off-by: Petr Vorel <pvorel@suse.cz>
---
NOTE: it can be postponed after the release.

 testcases/kernel/syscalls/shmctl/shmctl03.c | 19 +++++--------------
 1 file changed, 5 insertions(+), 14 deletions(-)

diff --git a/testcases/kernel/syscalls/shmctl/shmctl03.c b/testcases/kernel/syscalls/shmctl/shmctl03.c
index 0a4e27ce98..46ab989b10 100644
--- a/testcases/kernel/syscalls/shmctl/shmctl03.c
+++ b/testcases/kernel/syscalls/shmctl/shmctl03.c
@@ -1,11 +1,12 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * Copyright (C) 2020 Cyril Hrubis <chrubis@suse.cz>
+ * Copyright (c) Linux Test Project, 2026
  */
 
 /*\
- * Call shmctl() with IPC_INFO flag and check that the data are consistent with
- * /proc/sys/kernel/shm*.
+ * Call :manpage:`shmctl(2)` with IPC_INFO flag and check that the data are
+ * consistent with /proc/sys/kernel/shm*.
  */
 
 #define _GNU_SOURCE
@@ -17,18 +18,8 @@ static void verify_ipcinfo(void)
 {
 	struct shminfo info;
 
-	TEST(shmctl(0, IPC_INFO, (struct shmid_ds *)&info));
-
-	if (TST_RET < 0) {
-		tst_res(TFAIL | TTERRNO,
-			"shmctl(0, IPC_INFO, ...) returned %li", TST_RET);
-		return;
-	}
-
-	if (info.shmmin != 1)
-		tst_res(TFAIL, "shmmin = %li, expected 1", info.shmmin);
-	else
-		tst_res(TPASS, "shmmin = 1");
+	safe_shmctl(__FILE__, __LINE__, 0, IPC_INFO, ((struct shmid_ds *)&info));
+	TST_EXP_LE_LU(info.shmmin, 1);
 
 	if (tst_is_compat_mode() && info.shmmax == INT_MAX) {
 		unsigned long long shmmax;
-- 
2.55.0