diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index deda6fd..f69e5ed 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1521,7 +1521,7 @@
 #endif
 
 		default:
-			return dev_ioctl(cmd, (void __user *)arg);
+			return -ENOIOCTLCMD;
 	}
 	return 0;
 }