--- Gnu-Mach/linux/src/drivers/net/yellowfin.c	2020/09/02 04:41:40	1.1.1.1
+++ Gnu-Mach/linux/src/drivers/net/yellowfin.c	2020/09/02 04:44:03	1.1.1.2
@@ -431,7 +431,7 @@ int yellowfin_probe(struct device *dev)
 #if defined (MODULE)
 	return cards_found;
 #else
-	return 0;
+	return cards_found ? 0 : -ENODEV;
 #endif
 }