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-rw-r--r--sysdeps/mach/hurd/mig-reply.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/sysdeps/mach/hurd/mig-reply.c b/sysdeps/mach/hurd/mig-reply.c
index feb03257dd..b5c43fa26f 100644
--- a/sysdeps/mach/hurd/mig-reply.c
+++ b/sysdeps/mach/hurd/mig-reply.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1994, 1995 Free Software Foundation, Inc.
+/* Copyright (C) 1994, 1995, 1996 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
@@ -52,8 +52,10 @@ __mig_dealloc_reply_port (mach_port_t arg)
port = reply_port;
reply_port = MACH_PORT_NULL; /* So the mod_refs RPC won't use it. */
- __mach_port_mod_refs (__mach_task_self (), port,
- MACH_PORT_RIGHT_RECEIVE, -1);
+
+ if (MACH_PORT_VALID (port))
+ __mach_port_mod_refs (__mach_task_self (), port,
+ MACH_PORT_RIGHT_RECEIVE, -1);
}
weak_alias (__mig_dealloc_reply_port, mig_dealloc_reply_port)