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[57.135.107.183]) by smtp.gmail.com with ESMTPSA id 71dfb90a1353d-4f91f1192fasm867098e0c.0.2024.08.12.23.00.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Aug 2024 23:00:54 -0700 (PDT) From: David Hunter To: davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, shuah@kernel.org, kuniyu@amazon.com, netdev@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org Cc: javier.carrasco.cruz@gmail.com, David Hunter Subject: [PATCH] Kselftest: msg_oob.c: Fix warning for Incorrect Specifier Date: Tue, 13 Aug 2024 01:59:57 -0400 Message-ID: <20240813060036.754213-1-david.hunter.linux@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Change specifier to %p to correctly substitute type 'const void *'. A specifer involved with a macro is causing a misleading warning to occur: In file included from msg_oob.c:14: msg_oob.c: In function ‘__recvpair’: ../../kselftest_harness.h:106:40: warning: format ‘%s’ expects argument of type ‘char *’, but argument 6 has type ‘const void *’ [-Wformat=] 106 | fprintf(TH_LOG_STREAM, "# %s:%d:%s:" fmt "\n", \ | ^~~~~~~~~~~~~ ../../kselftest_harness.h:101:17: note: in expansion of macro ‘__TH_LOG’ 101 | __TH_LOG(fmt, ##__VA_ARGS__); \ | ^~~~~~~~ msg_oob.c:235:17: note: in expansion of macro ‘TH_LOG’ 235 | TH_LOG("Expected:%s", expected_errno ? strerror(expected_errno) : expected_buf); | ^~~~~~ A second set of these three warnings occur later for the incorrect specifier at msg_oob.c:256. By tracing the various macros involved, the correct specifier (in msg_oob.c) can be spotted and changed. Signed-off-by: David Hunter --- tools/testing/selftests/net/af_unix/msg_oob.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/testing/selftests/net/af_unix/msg_oob.c b/tools/testing/selftests/net/af_unix/msg_oob.c index 16d0c172eaeb..87090ebda2a7 100644 --- a/tools/testing/selftests/net/af_unix/msg_oob.c +++ b/tools/testing/selftests/net/af_unix/msg_oob.c @@ -232,7 +232,7 @@ static void __recvpair(struct __test_metadata *_metadata, if (ret[0] != expected_len || recv_errno[0] != expected_errno) { TH_LOG("AF_UNIX :%s", ret[0] < 0 ? strerror(recv_errno[0]) : recv_buf[0]); - TH_LOG("Expected:%s", expected_errno ? strerror(expected_errno) : expected_buf); + TH_LOG("Expected:%p", expected_errno ? strerror(expected_errno) : expected_buf); ASSERT_EQ(ret[0], expected_len); ASSERT_EQ(recv_errno[0], expected_errno); @@ -256,7 +256,7 @@ static void __recvpair(struct __test_metadata *_metadata, cmp = strncmp(expected_buf, recv_buf[0], expected_len); if (cmp) { TH_LOG("AF_UNIX :%s", ret[0] < 0 ? strerror(recv_errno[0]) : recv_buf[0]); - TH_LOG("Expected:%s", expected_errno ? strerror(expected_errno) : expected_buf); + TH_LOG("Expected:%p", expected_errno ? strerror(expected_errno) : expected_buf); ASSERT_EQ(cmp, 0); }