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[XFS] lock validator: lockdep: small xfs init_rwsem() cleanup 

init_rwsem() has no return value.  This is not a problem if init_rwsem()
is a function, but it's a problem if it's a do { ...  } while (0) macro. 
(which lockdep introduces) 

SGI-PV: 904196
SGI-Modid: xfs-linux-melb:xfs-kern:26082a

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Nathan Scott <nathans@sgi.com>
This commit is contained in:
Ingo Molnar 2006-06-09 14:57:01 +10:00 committed by Nathan Scott
parent 87c199c2a7
commit 72c93bcc63
1 changed files with 2 additions and 2 deletions
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4
fs/xfs/linux-2.6/mrlock.h
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2000-2005 Silicon Graphics, Inc.
* Copyright (c) 2000-2006 Silicon Graphics, Inc.
* All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
@ -28,7 +28,7 @@ typedef struct {
} mrlock_t;
#define mrinit(mrp, name) \
( (mrp)->mr_writer = 0, init_rwsem(&(mrp)->mr_lock) )
do { (mrp)->mr_writer = 0; init_rwsem(&(mrp)->mr_lock); } while (0)
#define mrlock_init(mrp, t,n,s) mrinit(mrp, n)
#define mrfree(mrp) do { } while (0)
#define mraccess(mrp) mraccessf(mrp, 0)