From nobody Mon Feb 9 23:03:42 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5C2FA346AF2; Wed, 4 Feb 2026 16:57:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770224275; cv=none; b=U/TliRUPQANi5ghtvIondKwGylKNgVR1kNbJOOIeKo4f6t3gSgR9dn09/gZzFsExL+ks6c3rvMsSP9hd6J/b0L2jNLw4cvr57ml7/LtPMdX1Xt2PmC5qB3AIZRpBgs5PJPMmBLlC93H1cYkDYz4dPd+rId4v/nfHcLfWEuvRXTc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770224275; c=relaxed/simple; bh=1zfybBZwVsB3HlU8u8Zo9i/xyLjeozTzroCm71b7qm0=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=QHK+531JtSBZmd625gxqRv5OGCTNR9CJZeWlG7fRejXfFcDGd0BrPZprff4cxM5qU0ZRJJdaWKDCVh34IMKuzH7ZC+UvZT2DZHGd+9GhOiKgKb8NgDTOD9KSgt076pmx3OuXCxhvE890+YFfvIW4bzE/OPGnJETc/OIR38FtaHI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=XIvZxaBv; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="XIvZxaBv" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3EDCFC19424; Wed, 4 Feb 2026 16:57:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1770224275; bh=1zfybBZwVsB3HlU8u8Zo9i/xyLjeozTzroCm71b7qm0=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=XIvZxaBvol0eCnYqMTn/MRmMybWNNsHgsd4NaBClWDHWN8lP+KngAQJ7qdrjTte4S huaH8t4AIQLLKv7h6OtExepK/UdQFBQfAC9Hi1YfGqMCF96/CR5gDnmrf6Npiuvclu pe+BtCxjN1YQIxrk2oAD28Mw+amTvgfujHsakihk+P37G4jeVlbwwa/61Otsa2IBy6 qRpWNTG2UqboYpWFhC/LnBHu7gYBFF/tqbSfjLnd3iPg0yot8cK0LT29lTQ81AE/Qb hDUj2wJhx38uES8n7+1yHdFzEsW7KHassmbJsiokE6O3j6ei2ax/UZB/DWSNkiOWUJ kcSYbQGMmM6rw== From: "Matthieu Baerts (NGI0)" Date: Wed, 04 Feb 2026 17:57:28 +0100 Subject: [PATCH net 4/4] selftests: mptcp: connect: fix maybe-uninitialize warn Precedence: bulk X-Mailing-List: mptcp@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260204-net-mptcp-misc-fixes-6-19-rc8-v1-4-cb559fb6b50a@kernel.org> References: <20260204-net-mptcp-misc-fixes-6-19-rc8-v1-0-cb559fb6b50a@kernel.org> In-Reply-To: <20260204-net-mptcp-misc-fixes-6-19-rc8-v1-0-cb559fb6b50a@kernel.org> To: Mat Martineau , Geliang Tang , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Shuah Khan Cc: netdev@vger.kernel.org, mptcp@lists.linux.dev, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, "Matthieu Baerts (NGI0)" X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=1434; i=matttbe@kernel.org; h=from:subject:message-id; bh=1zfybBZwVsB3HlU8u8Zo9i/xyLjeozTzroCm71b7qm0=; b=owGbwMvMwCVWo/Th0Gd3rumMp9WSGDKbq9oYDdOP3f4xTcxiHsvne0rLUramaSw01L66csbVd ZM55qS5d5SyMIhxMciKKbJIt0Xmz3xexVvi5WcBM4eVCWQIAxenAEzk+FFGhtuPfnHe5F7dr/P0 3dJFGY63ZHN63Rucdp9bsaGOpVBO2YThnwHXm/e/9hlPV+S/GnZ5Dm+68JIj23Y67yqcrfjvjZf PFU4A X-Developer-Key: i=matttbe@kernel.org; a=openpgp; fpr=E8CB85F76877057A6E27F77AF6B7824F4269A073 This warning can be seen with GCC 15.2: mptcp_connect.c: In function =E2=80=98main_loop=E2=80=99: mptcp_connect.c:1422:37: warning: =E2=80=98peer=E2=80=99 may be used unin= itialized [-Wmaybe-uninitialized] 1422 | if (connect(fd, peer->ai_addr, peer->ai_addrlen)) | ~~~~^~~~~~~~~ mptcp_connect.c:1377:26: note: =E2=80=98peer=E2=80=99 was declared here 1377 | struct addrinfo *peer; | ^~~~ This variable is set in sock_connect_mptcp() in some conditions. If not, this helper returns an error, and the program stops. So this is a false positive, but better removing it by initialising peer to NULL. Reviewed-by: Geliang Tang Signed-off-by: Matthieu Baerts (NGI0) --- tools/testing/selftests/net/mptcp/mptcp_connect.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/net/mptcp/mptcp_connect.c b/tools/test= ing/selftests/net/mptcp/mptcp_connect.c index 10f6f99cfd4e..24b4abac8687 100644 --- a/tools/testing/selftests/net/mptcp/mptcp_connect.c +++ b/tools/testing/selftests/net/mptcp/mptcp_connect.c @@ -1296,8 +1296,8 @@ void xdisconnect(int fd) =20 int main_loop(void) { + struct addrinfo *peer =3D NULL; int fd =3D 0, ret, fd_in =3D 0; - struct addrinfo *peer; struct wstate winfo; =20 if (cfg_input && cfg_sockopt_types.mptfo) { --=20 2.51.0