From nobody Mon Feb 9 13:07:25 2026 Received: from m16.mail.163.com (m16.mail.163.com [220.197.31.4]) (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 1ED5C165F16; Fri, 23 Jan 2026 07:34:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=220.197.31.4 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769153655; cv=none; b=cJ2Xau6HIbR3HLehUg5edCipCvm0fquOlmTXYIMbfeech/KFwIR+312WVdwLyLL1FpQSIxbU1+TDd7KzS1Lo8eIUKCYVITTaHHt4t8M08LcfCuWu0EFCrGydsStETRKOZyk0kfv+z2mO091Oa/M6TfYfQKfYF56WQxdyRuKSm3M= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769153655; c=relaxed/simple; bh=aB8A1OT8gqGDkNUi1zk7082muTZzIyPa3QM0nGvw7S4=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=CaUgxIUswPE+fKE2kRbTARPRbEUGGi9uPR6JzylezxO/kWy7HU2xsVPDfzg3CKxZt82aE7J/65iJAW/ZhUMLqgNjk5izD2vrECtjewWl7rAo0gGDos3gUoErmGoy01g8XGeHC5yoVLAW9kaNe9mZ4kSK2jPw42Q33wQJDyfM0w8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com; spf=pass smtp.mailfrom=163.com; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b=O8x3K87t; arc=none smtp.client-ip=220.197.31.4 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=163.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=163.com header.i=@163.com header.b="O8x3K87t" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=LM tuP+9oZsDADN/ufjbbhlL9g/X8SOJWKDCSq+C5SY0=; b=O8x3K87thxM7m8+uEx nwUnXb2W8H9Ft29Q5HX20t0eMWSlA7el/3QIvNge3EbiFI1IonWgyj0RkJ3NbF7s 7QUXbVjdYuiOB6CaUcU1PZp0E1TWg/unNMdzUxiqJCb6s+z5MH6SJIds0P6XPe/s HKGJ+QbgO2C8hd2fNXx+paqVM= Received: from localhost.localdomain (unknown []) by gzga-smtp-mtada-g1-1 (Coremail) with SMTP id _____wD3zEA8JHNpEwVqHA--.17409S2; Fri, 23 Jan 2026 15:33:19 +0800 (CST) From: Zeng Chi To: saeedm@nvidia.com, leon@kernel.org, tariqt@nvidia.com, mbloch@nvidia.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, parav@nvidia.com, ajayachandra@nvidia.com, feliu@nvidia.com Cc: netdev@vger.kernel.org, linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org, Zeng Chi Subject: [PATCH v2 net] net/mlx5: Fix return type mismatch in mlx5_esw_vport_vhca_id() Date: Fri, 23 Jan 2026 15:33:13 +0800 Message-Id: <20260123073313.3786415-1-zeng_chi911@163.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: _____wD3zEA8JHNpEwVqHA--.17409S2 X-Coremail-Antispam: 1Uf129KBjvJXoW7tr43JrWDCrW5uFWfury5twb_yoW8Jw1fp3 yUGryxZrWktFW7Xw48W3yrX3yrCa1UK3ya9F4Ska4Sqr1ktayqqrn5GF9xuF15CrWUGr9x trs7Zas5Zas8Aa7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDUYxBIdaVFxhVjvjDU0xZFpf9x07UKoGLUUUUU= X-CM-SenderInfo: 52hqws5fklmiqr6rljoofrz/xtbC6B9PC2lzJD82sgAA32 Content-Type: text/plain; charset="utf-8" From: Zeng Chi The function mlx5_esw_vport_vhca_id() is declared to return bool, but returns -EOPNOTSUPP (-45), which is an int error code. This causes a signedness bug as reported by smatch. This patch fixes this smatch report: drivers/net/ethernet/mellanox/mlx5/core/eswitch.h:981 mlx5_esw_vport_vhca_i= d() warn: signedness bug returning '(-45)' Fixes: 1baf30426553e ("net/mlx5: E-Switch, Set/Query hca cap via vhca id") Signed-off-by: Zeng Chi --- v2:Added the required Fixes tag and specified target branch net in subject = prefix --- drivers/net/ethernet/mellanox/mlx5/core/eswitch.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h b/drivers/ne= t/ethernet/mellanox/mlx5/core/eswitch.h index ad1073f7b79f..e7fe43799b23 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h @@ -1009,7 +1009,7 @@ mlx5_esw_host_functions_enabled(const struct mlx5_cor= e_dev *dev) static inline bool mlx5_esw_vport_vhca_id(struct mlx5_eswitch *esw, u16 vportn, u16 *vhca_id) { - return -EOPNOTSUPP; + return false; } =20 #endif /* CONFIG_MLX5_ESWITCH */ --=20 2.25.1