From b2931bd043fb73cbe498204e5a733af1350a2234 Mon Sep 17 00:00:00 2001
From: Miles Bader <miles@gnu.org>
Date: Wed, 21 Feb 1996 22:13:12 +0000
Subject: (fshelp_fetch_root): Make sure the returned fsys control port is
 valid.

---
 libfshelp/fetch-root.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'libfshelp/fetch-root.c')

diff --git a/libfshelp/fetch-root.c b/libfshelp/fetch-root.c
index 1daaa202..1504204f 100644
--- a/libfshelp/fetch-root.c
+++ b/libfshelp/fetch-root.c
@@ -150,7 +150,11 @@ fshelp_fetch_root (struct transbox *box, void *cookie,
 
       if (err)
 	return err;
-      
+
+      if (! MACH_PORT_VALID (control))
+	/* The start translator succeeded, but it returned a bogus port.  */
+	return EDIED;
+
       box->active = control;
     }
   
-- 
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