[LTP] [PATCH 3/3] testcases: drop manual tst_modprobe() now handled by tst_kconfig

[Li Wang <li.wang@linux.dev>]

Now that tst_kconfig loads the modules for every CONFIG_*=m entry
listed in config_module_maps[] and unloads them again at cleanup
time, tests no longer have to call tst_modprobe() from setup().

Drop the explicit tst_modprobe() calls, and the now unused
tst_module.h includes, from:

- cve-2026-46331.c: sch_ingress, cls_matchall, act_pedit
- sctphantom.c: sctp
- keyctl29.c: x509_key_parser
- keyctl30.c: pkcs8_key_parser

All four tests already declare the matching configs in
.needs_kconfigs, so tst_kconfig takes care of loading the modules
before setup() runs and unloading them once the test finishes.

Signed-off-by: Li Wang <li.wang@linux.dev>
---
 testcases/cve/cve-2026-46331.c              | 7 -------
 testcases/cve/sctphantom.c                  | 3 ---
 testcases/kernel/syscalls/keyctl/keyctl29.c | 3 ---
 testcases/kernel/syscalls/keyctl/keyctl30.c | 3 ---
 4 files changed, 16 deletions(-)

diff --git a/testcases/cve/cve-2026-46331.c b/testcases/cve/cve-2026-46331.c
index 3d32a1cbb..3c8db5042 100644
--- a/testcases/cve/cve-2026-46331.c
+++ b/testcases/cve/cve-2026-46331.c
@@ -44,7 +44,6 @@
 #include <linux/rtnetlink.h>
 
 #include "tst_test.h"
-#include "tst_module.h"
 #include "tst_net.h"
 #include "tst_netdevice.h"
 #include "lapi/if_ether.h"
@@ -136,12 +135,6 @@ static void setup(void)
 {
 	struct sockaddr_in addr;
 	struct passwd *pw;
-	static const char *const mods[] = {
-		"sch_ingress", "cls_matchall", "act_pedit"
-	};
-
-	for (unsigned int i = 0; i < ARRAY_SIZE(mods); i++)
-		tst_modprobe(mods[i], NULL);
 
 	/* Drop privileges so the reproducer runs as an unprivileged user */
 	pw = SAFE_GETPWNAM("nobody");
diff --git a/testcases/cve/sctphantom.c b/testcases/cve/sctphantom.c
index 83834b848..bdbe40286 100644
--- a/testcases/cve/sctphantom.c
+++ b/testcases/cve/sctphantom.c
@@ -50,7 +50,6 @@
  */
 
 #include "tst_test.h"
-#include "tst_module.h"
 #include "tst_checksum.h"
 #include "tst_safe_net.h"
 
@@ -205,8 +204,6 @@ static void setup(void)
 	};
 	const struct tst_path_val *sysctl;
 
-	tst_modprobe("sctp", NULL);
-
 	for (sysctl = sysctls; sysctl->path; sysctl++)
 		tst_sys_conf_save(sysctl);
 
diff --git a/testcases/kernel/syscalls/keyctl/keyctl29.c b/testcases/kernel/syscalls/keyctl/keyctl29.c
index afc0a093c..e66b39bcb 100644
--- a/testcases/kernel/syscalls/keyctl/keyctl29.c
+++ b/testcases/kernel/syscalls/keyctl/keyctl29.c
@@ -23,7 +23,6 @@
 
 #include "keyctl_common.h"
 #include "keyctl_pkey_data.h"
-#include "tst_module.h"
 
 static key_serial_t cert_key;
 static struct keyctl_pkey_query *query_buf;
@@ -32,8 +31,6 @@ static void setup(void)
 {
 	SAFE_KEYCTL(KEYCTL_JOIN_SESSION_KEYRING, 0, 0, 0, 0);
 
-	tst_modprobe("x509_key_parser", NULL);
-
 	cert_key = add_asymmetric_key_or_tconf("cert", rsa2048_cert,
 					       sizeof(rsa2048_cert),
 					       "CONFIG_X509_CERTIFICATE_PARSER");
diff --git a/testcases/kernel/syscalls/keyctl/keyctl30.c b/testcases/kernel/syscalls/keyctl/keyctl30.c
index ef51bba33..4f43007e0 100644
--- a/testcases/kernel/syscalls/keyctl/keyctl30.c
+++ b/testcases/kernel/syscalls/keyctl/keyctl30.c
@@ -20,7 +20,6 @@
 
 #include "keyctl_common.h"
 #include "keyctl_pkey_data.h"
-#include "tst_module.h"
 
 static key_serial_t priv_key;
 static struct keyctl_pkey_query *query_buf;
@@ -29,8 +28,6 @@ static void setup(void)
 {
 	SAFE_KEYCTL(KEYCTL_JOIN_SESSION_KEYRING, 0, 0, 0, 0);
 
-	tst_modprobe("pkcs8_key_parser", NULL);
-
 	priv_key = add_asymmetric_key_or_tconf("priv", rsa2048_pkcs8,
 					       sizeof(rsa2048_pkcs8),
 					       "CONFIG_PKCS8_PRIVATE_KEY_PARSER");
-- 
2.55.0


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