diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c
index 136ea06540ff..c2bbe9e4342a 100644
--- a/drivers/net/usb/r8152.c
+++ b/drivers/net/usb/r8152.c
@@ -8124,18 +8124,21 @@ static bool rtl_vendor_mode(struct usb_interface *intf)
 	for (i = 0; i < num_configs; (i++, c++)) {
 		struct usb_interface_descriptor	*desc = NULL;
 
-		if (c->desc.bNumInterfaces > 0)
+		if (c->desc.bNumInterfaces > 0) {
+			pr_info("DC %s: &c->intf_cache[0]->num_altsetting = %d\n", __func__, c->intf_cache[0]->num_altsetting);
 			desc = &c->intf_cache[0]->altsetting->desc;
-		else
+		} else
 			continue;
 
 		if (desc->bInterfaceClass == USB_CLASS_VENDOR_SPEC) {
 			usb_driver_set_configuration(udev, c->desc.bConfigurationValue);
 			break;
 		}
+		pr_info("DC %s: desc->bInterfaceClass = %d\n", __func__, desc->bInterfaceClass);
 	}
 
-	WARN_ON_ONCE(i == num_configs);
+	pr_info("DC %s: i = %d, num_configs: %d\n", __func__, i, num_configs);
+	//WARN_ON_ONCE(i == num_configs);
 
 	return false;
 }