linux-kernel - [PATCH 01/13] clone3: clone3_cap_checkpoint_restore: Fix build errors seen with -Werror

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Message-ID: <20251204161729.2448052-2-linux@roeck-us.net>
Date: Thu,  4 Dec 2025 08:17:15 -0800
From: Guenter Roeck <linux@...ck-us.net>
To: Shuah Khan <shuah@...nel.org>
Cc: Christian Brauner <brauner@...nel.org>,
	Elizabeth Figura <zfigura@...eweavers.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	Kees Cook <kees@...nel.org>,
	linux-kernel@...r.kernel.org,
	linux-kselftest@...r.kernel.org,
	wine-devel@...ehq.org,
	netdev@...r.kernel.org,
	bpf@...r.kernel.org,
	Guenter Roeck <linux@...ck-us.net>,
	Adrian Reber <areber@...hat.com>
Subject: [PATCH 01/13] clone3: clone3_cap_checkpoint_restore: Fix build errors seen with -Werror

Fix:

clone3_cap_checkpoint_restore.c:56:7: error: unused variable 'ret'
   56 |                 int ret;
      |                     ^~~
clone3_cap_checkpoint_restore.c:57:8: error: unused variable 'tmp'
   57 |                 char tmp = 0;
      |                      ^~~
clone3_cap_checkpoint_restore.c:138:6: error: unused variable 'ret'
  138 |         int ret = 0;

by removing the unused variables.

Fixes: 1d27a0be16d6 ("selftests: add clone3() CAP_CHECKPOINT_RESTORE test")
Cc: Adrian Reber <areber@...hat.com>
Signed-off-by: Guenter Roeck <linux@...ck-us.net>
---
 .../testing/selftests/clone3/clone3_cap_checkpoint_restore.c  | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/tools/testing/selftests/clone3/clone3_cap_checkpoint_restore.c b/tools/testing/selftests/clone3/clone3_cap_checkpoint_restore.c
index 3c196fa86c99..976e92c259fc 100644
--- a/tools/testing/selftests/clone3/clone3_cap_checkpoint_restore.c
+++ b/tools/testing/selftests/clone3/clone3_cap_checkpoint_restore.c
@@ -53,9 +53,6 @@ static int call_clone3_set_tid(struct __test_metadata *_metadata,
 	}
 
 	if (pid == 0) {
-		int ret;
-		char tmp = 0;
-
 		TH_LOG("I am the child, my PID is %d (expected %d)", getpid(), set_tid[0]);
 
 		if (set_tid[0] != getpid())
@@ -135,7 +132,6 @@ TEST(clone3_cap_checkpoint_restore)
 {
 	pid_t pid;
 	int status;
-	int ret = 0;
 	pid_t set_tid[1];
 
 	test_clone3_supported();
-- 
2.43.0