1 files changed, 20 insertions, 8 deletions

diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index bc1e3dd67c04..a0f29482294d 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -84,9 +84,10 @@ static int __must_check __smsc95xx_read_reg(struct usbnet *dev, u32 index,
 	ret = fn(dev, USB_VENDOR_REQUEST_READ_REGISTER, USB_DIR_IN
 		 | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 		 0, index, &buf, 4);
-	if (unlikely(ret < 0)) {
-		netdev_warn(dev->net, "Failed to read reg index 0x%08x: %d\n",
-			    index, ret);
+	if (ret < 0) {
+		if (ret != -ENODEV)
+			netdev_warn(dev->net, "Failed to read reg index 0x%08x: %d\n",
+				    index, ret);
 		return ret;
 	}
 
@@ -116,7 +117,7 @@ static int __must_check __smsc95xx_write_reg(struct usbnet *dev, u32 index,
 	ret = fn(dev, USB_VENDOR_REQUEST_WRITE_REGISTER, USB_DIR_OUT
 		 | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 		 0, index, &buf, 4);
-	if (unlikely(ret < 0))
+	if (ret < 0 && ret != -ENODEV)
 		netdev_warn(dev->net, "Failed to write reg index 0x%08x: %d\n",
 			    index, ret);
 
@@ -159,6 +160,9 @@ static int __must_check __smsc95xx_phy_wait_not_busy(struct usbnet *dev,
 	do {
 		ret = __smsc95xx_read_reg(dev, MII_ADDR, &val, in_pm);
 		if (ret < 0) {
+			/* Ignore -ENODEV error during disconnect() */
+			if (ret == -ENODEV)
+				return 0;
 			netdev_warn(dev->net, "Error reading MII_ACCESS\n");
 			return ret;
 		}
@@ -194,7 +198,8 @@ static int __smsc95xx_mdio_read(struct usbnet *dev, int phy_id, int idx,
 	addr = mii_address_cmd(phy_id, idx, MII_READ_ | MII_BUSY_);
 	ret = __smsc95xx_write_reg(dev, MII_ADDR, addr, in_pm);
 	if (ret < 0) {
-		netdev_warn(dev->net, "Error writing MII_ADDR\n");
+		if (ret != -ENODEV)
+			netdev_warn(dev->net, "Error writing MII_ADDR\n");
 		goto done;
 	}
 
@@ -206,7 +211,8 @@ static int __smsc95xx_mdio_read(struct usbnet *dev, int phy_id, int idx,
 
 	ret = __smsc95xx_read_reg(dev, MII_DATA, &val, in_pm);
 	if (ret < 0) {
-		netdev_warn(dev->net, "Error reading MII_DATA\n");
+		if (ret != -ENODEV)
+			netdev_warn(dev->net, "Error reading MII_DATA\n");
 		goto done;
 	}
 
@@ -214,6 +220,10 @@ static int __smsc95xx_mdio_read(struct usbnet *dev, int phy_id, int idx,
 
 done:
 	mutex_unlock(&dev->phy_mutex);
+
+	/* Ignore -ENODEV error during disconnect() */
+	if (ret == -ENODEV)
+		return 0;
 	return ret;
 }
 
@@ -235,7 +245,8 @@ static void __smsc95xx_mdio_write(struct usbnet *dev, int phy_id,
 	val = regval;
 	ret = __smsc95xx_write_reg(dev, MII_DATA, val, in_pm);
 	if (ret < 0) {
-		netdev_warn(dev->net, "Error writing MII_DATA\n");
+		if (ret != -ENODEV)
+			netdev_warn(dev->net, "Error writing MII_DATA\n");
 		goto done;
 	}
 
@@ -243,7 +254,8 @@ static void __smsc95xx_mdio_write(struct usbnet *dev, int phy_id,
 	addr = mii_address_cmd(phy_id, idx, MII_WRITE_ | MII_BUSY_);
 	ret = __smsc95xx_write_reg(dev, MII_ADDR, addr, in_pm);
 	if (ret < 0) {
-		netdev_warn(dev->net, "Error writing MII_ADDR\n");
+		if (ret != -ENODEV)
+			netdev_warn(dev->net, "Error writing MII_ADDR\n");
 		goto done;
 	}