diff options
| author | Roland McGrath <roland@gnu.org> | 2001-11-23 22:25:27 +0000 |
|---|---|---|
| committer | Roland McGrath <roland@gnu.org> | 2001-11-23 22:25:27 +0000 |
| commit | 2fdedeeb22f12b1e1c35014cd2d74f40a9e826e9 (patch) | |
| tree | feab5f6b9d93a5d2d2f6bf6e50500679afb241e8 /i386/i386at | |
| parent | e7b3a47a3b97590dcc3ac433a2694fa786d73af2 (diff) | |
2001-11-23 Roland McGrath <roland@frob.com>
* i386/i386at/i386at_ds_routines.c (device_deallocate): Do nothing if
argument is DEVICE_NULL.
Diffstat (limited to 'i386/i386at')
| -rw-r--r-- | i386/i386at/i386at_ds_routines.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/i386/i386at/i386at_ds_routines.c b/i386/i386at/i386at_ds_routines.c index be1f58d..2a52a67 100644 --- a/i386/i386at/i386at_ds_routines.c +++ b/i386/i386at/i386at_ds_routines.c @@ -1,4 +1,4 @@ -/* +/* * Mach device server routines (i386at version). * * Copyright (c) 1996 The University of Utah and @@ -273,6 +273,8 @@ device_reference (device_t dev) void device_deallocate (device_t dev) { + if (dev == DEVICE_NULL) + return; if (dev->emul_ops->dealloc) (*dev->emul_ops->dealloc) (dev->emul_data); } |