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Tsirkin" , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , qemu-trivial@nongnu.org, Bernhard Beschow Subject: [PATCH] tests/unit/test-io-channel-command: Silence GCC error "maybe-uninitialized" Date: Tue, 1 Nov 2022 22:39:36 +0100 Message-Id: <20221101213937.21149-1-shentey@gmail.com> X-Mailer: git-send-email 2.38.1 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::530; envelope-from=shentey@gmail.com; helo=mail-ed1-x530.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Qemu-devel" Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1667338870073100001 GCC issues a false positive warning, resulting in build failure with -Werro= r: In file included from /usr/lib/glib-2.0/include/glibconfig.h:9, from /usr/include/glib-2.0/glib/gtypes.h:34, from /usr/include/glib-2.0/glib/galloca.h:34, from /usr/include/glib-2.0/glib.h:32, from ../src/include/glib-compat.h:32, from ../src/include/qemu/osdep.h:144, from ../src/tests/unit/test-io-channel-command.c:21: /usr/include/glib-2.0/glib/gmacros.h: In function =E2=80=98test_io_channe= l_command_fifo=E2=80=99: /usr/include/glib-2.0/glib/gmacros.h:1333:105: error: =E2=80=98dstargv=E2= =80=99 may be used uninitialized [-Werror=3Dmaybe-uninitialized] 1333 | static G_GNUC_UNUSED inline void _GLIB_AUTO_FUNC_NAME(TypeName)= (TypeName *_ptr) { if (*_ptr !=3D none) (func) (*_ptr); } \ | = ^ ../src/tests/unit/test-io-channel-command.c:39:19: note: =E2=80=98dstargv= =E2=80=99 was declared here 39 | g_auto(GStrv) dstargv; | ^~~~~~~ /usr/include/glib-2.0/glib/gmacros.h:1333:105: error: =E2=80=98srcargv=E2= =80=99 may be used uninitialized [-Werror=3Dmaybe-uninitialized] 1333 | static G_GNUC_UNUSED inline void _GLIB_AUTO_FUNC_NAME(TypeName)= (TypeName *_ptr) { if (*_ptr !=3D none) (func) (*_ptr); } \ | = ^ ../src/tests/unit/test-io-channel-command.c:38:19: note: =E2=80=98srcargv= =E2=80=99 was declared here 38 | g_auto(GStrv) srcargv; | ^~~~~~~ cc1: all warnings being treated as errors GCC version: $ gcc --version gcc (GCC) 12.2.0 Fixes: 68406d10859385c88da73d0106254a7f47e6652e ('tests/unit: cleanups for = test-io-channel-command') Signed-off-by: Bernhard Beschow Acked-by: Michael S. Tsirkin --- tests/unit/test-io-channel-command.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tests/unit/test-io-channel-command.c b/tests/unit/test-io-chan= nel-command.c index 43e29c8cfb..ba0717d3c3 100644 --- a/tests/unit/test-io-channel-command.c +++ b/tests/unit/test-io-channel-command.c @@ -35,8 +35,8 @@ static void test_io_channel_command_fifo(bool async) g_autofree gchar *fifo =3D g_strdup_printf("%s/%s", tmpdir, TEST_FIFO); g_autoptr(GString) srcargs =3D g_string_new(socat); g_autoptr(GString) dstargs =3D g_string_new(socat); - g_auto(GStrv) srcargv; - g_auto(GStrv) dstargv; + g_auto(GStrv) srcargv =3D NULL; + g_auto(GStrv) dstargv =3D NULL; QIOChannel *src, *dst; QIOChannelTest *test; =20 --=20 2.38.1