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Thu, 04 Dec 2025 08:17:49 -0800 (PST) Sender: Guenter Roeck From: Guenter Roeck To: Shuah Khan Cc: Christian Brauner , Elizabeth Figura , Thomas Gleixner , Eric Dumazet , Jakub Kicinski , Kees Cook , linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, wine-devel@winehq.org, netdev@vger.kernel.org, bpf@vger.kernel.org, Guenter Roeck , Amir Goldstein Subject: [PATCH 12/13] selftests/fs/mount-notify-ns: Fix build failures seen with -Werror Date: Thu, 4 Dec 2025 08:17:26 -0800 Message-ID: <20251204161729.2448052-13-linux@roeck-us.net> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20251204161729.2448052-1-linux@roeck-us.net> References: <20251204161729.2448052-1-linux@roeck-us.net> Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Fix mount-notify_test_ns.c: In function ‘fanotify_rmdir’: mount-notify_test_ns.c:494:17: error: ignoring return value of ‘chdir’ declared with attribute ‘warn_unused_result’ by checking and then ignoring the return value of chdir(). Fixes: 781091f3f5945 ("selftests/fs/mount-notify: add a test variant running inside userns") Cc: Amir Goldstein Signed-off-by: Guenter Roeck --- .../selftests/filesystems/mount-notify/mount-notify_test_ns.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/filesystems/mount-notify/mount-notify_test_ns.c b/tools/testing/selftests/filesystems/mount-notify/mount-notify_test_ns.c index 9f57ca46e3af..949c76797f92 100644 --- a/tools/testing/selftests/filesystems/mount-notify/mount-notify_test_ns.c +++ b/tools/testing/selftests/filesystems/mount-notify/mount-notify_test_ns.c @@ -491,7 +491,8 @@ TEST_F(fanotify, rmdir) ASSERT_GE(ret, 0); if (ret == 0) { - chdir("/"); + if (chdir("/")) + ; unshare(CLONE_NEWNS); mount("", "/", NULL, MS_REC|MS_PRIVATE, NULL); umount2("/a", MNT_DETACH); -- 2.43.0