From patchwork Tue Apr 2 11:30:48 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "yiyang \(D\)" X-Patchwork-Id: 785786 Received: from szxga04-in.huawei.com (szxga04-in.huawei.com [45.249.212.190]) (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 85EDD679FE; Tue, 2 Apr 2024 11:34:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=45.249.212.190 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712057681; cv=none; b=LPFtUn7Xn6UQySzwKWLf/WKCCzFkBqMqbatd/BlWvAspUR1MNGqRvB18qS5AVUCEbO+JrXJ0nyiMlkcplc2BRmgeQMvze7G6yCXeqx1Zl63XOZMn5ZQG3T7yiB2U/zneM8scp2ILoUd2uBqmtTR5kfsfM2atxHBdnqAPsSVI6Xk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712057681; c=relaxed/simple; bh=NZjcNFaXHrCCSnJfeK2385qZKdr9n9dZYuteBPidjWQ=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=Zt9HBtYxB+Xf+1xHYdsSl5wec40l79cbbaXIHfNcMVZ3zW4oWR6fKo5CjXd+hv3LQ8czwFQF7OFEhYuQPexZm8sOeytw361kTKM2vQPVeOpYJwLfo9REIPP9bNIS5RZZ/nE7DyVfrbF8WL0LdRq0qgb0b+GeFdvq6C01K/N3uMA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; arc=none smtp.client-ip=45.249.212.190 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Received: from mail.maildlp.com (unknown [172.19.163.17]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4V85Lr6vHbz29kj0; Tue, 2 Apr 2024 19:31:48 +0800 (CST) Received: from kwepemm600014.china.huawei.com (unknown [7.193.23.54]) by mail.maildlp.com (Postfix) with ESMTPS id CECE01A0172; Tue, 2 Apr 2024 19:34:33 +0800 (CST) Received: from huawei.com (10.67.174.78) by kwepemm600014.china.huawei.com (7.193.23.54) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.35; Tue, 2 Apr 2024 19:34:33 +0800 From: Yi Yang To: , , , CC: , , Subject: [PATCH -next] net: usb: asix: Add check for usbnet_get_endpoints Date: Tue, 2 Apr 2024 11:30:48 +0000 Message-ID: <20240402113048.873130-1-yiyang13@huawei.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-usb@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: dggems701-chm.china.huawei.com (10.3.19.178) To kwepemm600014.china.huawei.com (7.193.23.54) Add check for usbnet_get_endpoints() and return the error if it fails in order to transfer the error. Signed-off-by: Yi Yang --- drivers/net/usb/asix_devices.c | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-) diff --git a/drivers/net/usb/asix_devices.c b/drivers/net/usb/asix_devices.c index f7cff58fe044..11417ed86d9e 100644 --- a/drivers/net/usb/asix_devices.c +++ b/drivers/net/usb/asix_devices.c @@ -230,7 +230,9 @@ static int ax88172_bind(struct usbnet *dev, struct usb_interface *intf) int i; unsigned long gpio_bits = dev->driver_info->data; - usbnet_get_endpoints(dev,intf); + ret = usbnet_get_endpoints(dev, intf); + if (ret) + goto out; /* Toggle the GPIOs in a manufacturer/model specific way */ for (i = 2; i >= 0; i--) { @@ -834,7 +836,9 @@ static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf) dev->driver_priv = priv; - usbnet_get_endpoints(dev, intf); + ret = usbnet_get_endpoints(dev, intf); + if (ret) + goto mdio_err; /* Maybe the boot loader passed the MAC address via device tree */ if (!eth_platform_get_mac_address(&dev->udev->dev, buf)) { @@ -858,7 +862,7 @@ static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf) if (ret < 0) { netdev_dbg(dev->net, "Failed to read MAC address: %d\n", ret); - return ret; + goto mdio_err; } } @@ -871,7 +875,7 @@ static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf) ret = asix_read_phy_addr(dev, true); if (ret < 0) - return ret; + goto mdio_err; priv->phy_addr = ret; priv->embd_phy = ((priv->phy_addr & 0x1f) == AX_EMBD_PHY_ADDR); @@ -880,7 +884,7 @@ static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf) &priv->chipcode, 0); if (ret < 0) { netdev_dbg(dev->net, "Failed to read STATMNGSTS_REG: %d\n", ret); - return ret; + goto mdio_err; } priv->chipcode &= AX_CHIPCODE_MASK; @@ -895,7 +899,7 @@ static int ax88772_bind(struct usbnet *dev, struct usb_interface *intf) ret = priv->reset(dev, 0); if (ret < 0) { netdev_dbg(dev->net, "Failed to reset AX88772: %d\n", ret); - return ret; + goto mdio_err; } /* Asix framing packs multiple eth frames into a 2K usb bulk transfer */ @@ -1258,7 +1262,9 @@ static int ax88178_bind(struct usbnet *dev, struct usb_interface *intf) int ret; u8 buf[ETH_ALEN] = {0}; - usbnet_get_endpoints(dev,intf); + ret = usbnet_get_endpoints(dev, intf); + if (ret) + return ret; /* Get the MAC address */ ret = asix_read_cmd(dev, AX_CMD_READ_NODE_ID, 0, 0, ETH_ALEN, buf, 0);