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(__mig_dealloc_reply_port): Only attempt to destroy PORT if it's a valid port name.

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This commit is contained in:
Miles Bader 1996-04-06 01:49:21 +00:00
parent 2e516341fa
commit aa0e1b599c
1 changed files with 5 additions and 3 deletions
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8
sysdeps/mach/hurd/mig-reply.c
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@ -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)