From mboxrd@z Thu Jan 1 00:00:00 1970 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 79BB633BBA0; Fri, 21 Nov 2025 13:36:35 +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=1763732195; cv=none; b=ldH95Dt57j/L+vMcr2J+NldnhF+Ib50SnZiMnDdMxsBnlSnRHdWNUhnKMO7QKfva9aw/ovzLbKrgDND4XZwdaigEwmSVtseScUGn+tqi9Ytu2r0QPp3JTwMwAup3uWMZ5qEY/uKFOppmG2qC8WhSsei0vBKp27GZYRJX2jJVfQc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763732195; c=relaxed/simple; bh=Mtyw4uaFaAWl1FBbHPvQAr5A2XXXqOu8obSRl0JVqlo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=BnPf3ZySwwuj3MibfGrsW9mk49GBqWgVkNAlBrSziybbff4H+V6iK3PJiaVxmEUWkmsS8LiGtDuBMei67rJIQKhwTlihCD+1H5yVGrnH4LsXUl+OmWD3O2NWxCcHWPkjMRxcvizZdWNO49RiWa0pyxxbXG7SBANrhr1eT10x46o= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=e0OWRwSF; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="e0OWRwSF" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 016C9C4CEF1; Fri, 21 Nov 2025 13:36:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1763732195; bh=Mtyw4uaFaAWl1FBbHPvQAr5A2XXXqOu8obSRl0JVqlo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=e0OWRwSFrbwN4Zfzy+17pMJb1sIlYQPTX6OaTv6fQQxmaCz7gICm8M1v7Rb7mhVu7 QQAQApYOdwUacMIUgIrI6h4ZCUmPQ9EmVhM8UBFkbWHriDML4OZrSpDhYZnl3gX6Ad Ta75hrUzGXnBM10g6ppvgInF9uPtS0/U3vnkdW+8= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jijie Shao , Alexander Lobakin , Jakub Kicinski , Sasha Levin Subject: [PATCH 6.6 037/529] net: hns3: return error code when function fails Date: Fri, 21 Nov 2025 14:05:36 +0100 Message-ID: <20251121130232.322368739@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20251121130230.985163914@linuxfoundation.org> References: <20251121130230.985163914@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Jijie Shao [ Upstream commit 03ca7c8c42be913529eb9f188278114430c6abbd ] Currently, in hclge_mii_ioctl(), the operation to read the PHY register (SIOCGMIIREG) always returns 0. This patch changes the return type of hclge_read_phy_reg(), returning an error code when the function fails. Fixes: 024712f51e57 ("net: hns3: add ioctl support for imp-controlled PHYs") Signed-off-by: Jijie Shao Reviewed-by: Alexander Lobakin Link: https://patch.msgid.link/20251023131338.2642520-2-shaojijie@huawei.com Signed-off-by: Jakub Kicinski Signed-off-by: Sasha Levin --- drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c | 3 +-- drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c | 9 ++++++--- drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.h | 2 +- 3 files changed, 8 insertions(+), 6 deletions(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c index 789f72d1067f8..2fa64099e8be2 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_main.c @@ -9346,8 +9346,7 @@ static int hclge_mii_ioctl(struct hclge_dev *hdev, struct ifreq *ifr, int cmd) /* this command reads phy id and register at the same time */ fallthrough; case SIOCGMIIREG: - data->val_out = hclge_read_phy_reg(hdev, data->reg_num); - return 0; + return hclge_read_phy_reg(hdev, data->reg_num, &data->val_out); case SIOCSMIIREG: return hclge_write_phy_reg(hdev, data->reg_num, data->val_in); diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c index 80079657afebe..b8dbf932caf94 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.c @@ -274,7 +274,7 @@ void hclge_mac_stop_phy(struct hclge_dev *hdev) phy_stop(phydev); } -u16 hclge_read_phy_reg(struct hclge_dev *hdev, u16 reg_addr) +int hclge_read_phy_reg(struct hclge_dev *hdev, u16 reg_addr, u16 *val) { struct hclge_phy_reg_cmd *req; struct hclge_desc desc; @@ -286,11 +286,14 @@ u16 hclge_read_phy_reg(struct hclge_dev *hdev, u16 reg_addr) req->reg_addr = cpu_to_le16(reg_addr); ret = hclge_cmd_send(&hdev->hw, &desc, 1); - if (ret) + if (ret) { dev_err(&hdev->pdev->dev, "failed to read phy reg, ret = %d.\n", ret); + return ret; + } - return le16_to_cpu(req->reg_val); + *val = le16_to_cpu(req->reg_val); + return 0; } int hclge_write_phy_reg(struct hclge_dev *hdev, u16 reg_addr, u16 val) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.h b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.h index 4200d0b6d9317..21d434c82475b 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.h +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mdio.h @@ -13,7 +13,7 @@ int hclge_mac_connect_phy(struct hnae3_handle *handle); void hclge_mac_disconnect_phy(struct hnae3_handle *handle); void hclge_mac_start_phy(struct hclge_dev *hdev); void hclge_mac_stop_phy(struct hclge_dev *hdev); -u16 hclge_read_phy_reg(struct hclge_dev *hdev, u16 reg_addr); +int hclge_read_phy_reg(struct hclge_dev *hdev, u16 reg_addr, u16 *val); int hclge_write_phy_reg(struct hclge_dev *hdev, u16 reg_addr, u16 val); #endif -- 2.51.0