1 files changed, 17 insertions, 1 deletions

diff --git a/drivers/usb/atm/cxacru.c b/drivers/usb/atm/cxacru.c
index 593fc5e2d2e6..1c320bfa6fb7 100644
--- a/drivers/usb/atm/cxacru.c
+++ b/drivers/usb/atm/cxacru.c
@@ -1324,8 +1324,24 @@ static struct usbatm_driver cxacru_driver = {
         .tx_padding     = 11,
 };
 
-static int cxacru_usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
+static int cxacru_usb_probe(struct usb_interface *intf,
+                const struct usb_device_id *id)
 {
+        struct usb_device *usb_dev = interface_to_usbdev(intf);
+        char buf[15];
+
+        /* Avoid ADSL routers (cx82310_eth).
+         * Abort if bDeviceClass is 0xff and iProduct is "USB NET CARD".
+         */
+        if (usb_dev->descriptor.bDeviceClass == USB_CLASS_VENDOR_SPEC
+                        && usb_string(usb_dev, usb_dev->descriptor.iProduct,
+                                buf, sizeof(buf)) > 0) {
+                if (!strcmp(buf, "USB NET CARD")) {
+                        dev_info(&intf->dev, "ignoring cx82310_eth device\n");
+                        return -ENODEV;
+                }
+        }
+
         return usbatm_usb_probe(intf, id, &cxacru_driver);
 }