about summary refs log tree commit diff
path: root/hurd/hurdinit.c
diff options
context:
space:
mode:
Diffstat (limited to 'hurd/hurdinit.c')
-rw-r--r--hurd/hurdinit.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/hurd/hurdinit.c b/hurd/hurdinit.c
index dc5e904c5e..7a57031d62 100644
--- a/hurd/hurdinit.c
+++ b/hurd/hurdinit.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 1992,93,94,95,96,97,98,99,2000 Free Software Foundation, Inc.
+/* Copyright (C) 1992,93,94,95,96,97,98,99,2000,01
+   	Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -39,6 +40,12 @@ int __libc_argc;
 error_t
 _hurd_ports_use (int which, error_t (*operate) (mach_port_t))
 {
+  if (__builtin_expect (_hurd_ports == NULL, 0))
+    /* This means that _hurd_init has not been called yet, which is
+       normally only the case in the bootstrap filesystem, and there
+       only in the early phases of booting.  */
+    return EGRATUITOUS;
+
   return HURD_PORT_USE (&_hurd_ports[which], (*operate) (port));
 }