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([2001:288:7001:2703:dc5d:87af:eca4:905a]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-21f06e7d4f6sm23298345ad.112.2025.02.04.21.50.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 04 Feb 2025 21:50:36 -0800 (PST) From: I Hsin Cheng To: shuah@kernel.org Cc: brauner@kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel-mentees@lists.linux.dev, I Hsin Cheng Subject: [PATCH] selftests: pidfd: Fix compiling warning of pidfs_setns Date: Wed, 5 Feb 2025 13:50:31 +0800 Message-ID: <20250205055031.259710-1-richard120310@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel-mentees@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit In the compilation of pidfs_setns_test.c , a warning as the following will pop out. pidfd_setns_test.c: In function ‘current_nsset_setup’: pidfd_setns_test.c:173:54: warning: implicit declaration of function \ ‘ioctl’ [-Wimplicit-function-declaration] 173 | self->child_pidfd_derived_nsfds[i] = \ ioctl(self->pidfd, info->pidfd_ioctl, 0); It's caused by wrong import of header file , fix it to . Signed-off-by: I Hsin Cheng --- tools/testing/selftests/pidfd/pidfd_setns_test.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/pidfd/pidfd_setns_test.c b/tools/testing/selftests/pidfd/pidfd_setns_test.c index 7c2a43491..3ed42f1eb 100644 --- a/tools/testing/selftests/pidfd/pidfd_setns_test.c +++ b/tools/testing/selftests/pidfd/pidfd_setns_test.c @@ -16,7 +16,7 @@ #include #include #include -#include +#include #include "pidfd.h" #include "../clone3/clone3_selftests.h" -- 2.43.0