netdev - [PATCH -next] net: usb: asix: Add check for usbnet_get

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Date: Tue, 2 Apr 2024 11:30:48 +0000
From: Yi Yang <yiyang13@...wei.com>
To: <davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
	<pabeni@...hat.com>
CC: <linux-usb@...r.kernel.org>, <netdev@...r.kernel.org>,
	<wangweiyang2@...wei.com>
Subject: [PATCH -next] net: usb: asix: Add check for usbnet_get_endpoints

Add check for usbnet_get_endpoints() and return the error if it fails
in order to transfer the error.

Signed-off-by: Yi Yang <yiyang13@...wei.com>
---
 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);
-- 
2.25.1