diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 15ed750..70256aa 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -3383,8 +3383,8 @@
 
 static inline const char *netdev_name(const struct net_device *dev)
 {
-	if (dev->reg_state != NETREG_REGISTERED)
-		return "(unregistered net_device)";
+	if (!dev->name[0] || strchr(dev->name, '%'))
+		return "(unnamed net_device)";
 	return dev->name;
 }