From ed6ebeb676658276db6e1b7fb9a7442ee1f21abf Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Thu, 16 Jun 1994 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 1994-06-16

---
 port/sysfile.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/port/sysfile.c b/port/sysfile.c
index e4bda348c4940892b405e96f207c7a49fce0e98f..299273883ed9a8e46e092ab9c651f4372b5fd075 100644
--- a/port/sysfile.c
+++ b/port/sysfile.c
@@ -548,6 +548,7 @@ bindmount(ulong *arg, int ismount)
 			error(Ebadarg);
 
 		bogus.spec = (char*)arg[3];
+		nameok(bogus.spec);
 
 		ret = devno('M', 0);
 		c0 = (*devtab[ret].attach)((char*)&bogus);