Fri Aug 7 00:07:39 2009 UTC ()
Put the entire expression that DK_BUSY() evaluates to in parentheses
for safety.


(dyoung)
diff -r1.13 -r1.14 src/sys/dev/dkvar.h

cvs diff -r1.13 -r1.14 src/sys/dev/dkvar.h (expand / switch to unified diff)

--- src/sys/dev/dkvar.h 2008/04/28 20:23:46 1.13
+++ src/sys/dev/dkvar.h 2009/08/07 00:07:39 1.14
@@ -1,14 +1,14 @@ @@ -1,14 +1,14 @@
1/* $NetBSD: dkvar.h,v 1.13 2008/04/28 20:23:46 martin Exp $ */ 1/* $NetBSD: dkvar.h,v 1.14 2009/08/07 00:07:39 dyoung Exp $ */
2 2
3/*- 3/*-
4 * Copyright (c) 2002 The NetBSD Foundation, Inc. 4 * Copyright (c) 2002 The NetBSD Foundation, Inc.
5 * All rights reserved. 5 * All rights reserved.
6 * 6 *
7 * This code is derived from software contributed to The NetBSD Foundation 7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Roland C. Dowdeswell. 8 * by Roland C. Dowdeswell.
9 * 9 *
10 * Redistribution and use in source and binary forms, with or without 10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions 11 * modification, are permitted provided that the following conditions
12 * are met: 12 * are met:
13 * 1. Redistributions of source code must retain the above copyright 13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer. 14 * notice, this list of conditions and the following disclaimer.
@@ -75,29 +75,29 @@ struct dk_softc { @@ -75,29 +75,29 @@ struct dk_softc {
75 * should be a single static structure per pseudo-disk driver. 75 * should be a single static structure per pseudo-disk driver.
76 * We only define the functions that we currently need. 76 * We only define the functions that we currently need.
77 */ 77 */
78struct dk_intf { 78struct dk_intf {
79 int di_dtype; /* disk type */ 79 int di_dtype; /* disk type */
80 const char *di_dkname; /* disk type name */ 80 const char *di_dkname; /* disk type name */
81 int (*di_open)(dev_t, int, int, struct lwp *); 81 int (*di_open)(dev_t, int, int, struct lwp *);
82 int (*di_close)(dev_t, int, int, struct lwp *); 82 int (*di_close)(dev_t, int, int, struct lwp *);
83 void (*di_strategy)(struct buf *); 83 void (*di_strategy)(struct buf *);
84 int (*di_diskstart)(struct dk_softc *, struct buf *); 84 int (*di_diskstart)(struct dk_softc *, struct buf *);
85}; 85};
86 86
87#define DK_BUSY(_dksc, _pmask) \ 87#define DK_BUSY(_dksc, _pmask) \
88 ((_dksc)->sc_dkdev.dk_openmask & ~(_pmask)) || \ 88 (((_dksc)->sc_dkdev.dk_openmask & ~(_pmask)) || \
89 ((_dksc)->sc_dkdev.dk_bopenmask & (_pmask) && \ 89 ((_dksc)->sc_dkdev.dk_bopenmask & (_pmask) && \
90 ((_dksc)->sc_dkdev.dk_copenmask & (_pmask))) 90 ((_dksc)->sc_dkdev.dk_copenmask & (_pmask))))
91 91
92/* 92/*
93 * Functions that are exported to the pseudo disk implementations: 93 * Functions that are exported to the pseudo disk implementations:
94 */ 94 */
95 95
96void dk_sc_init(struct dk_softc *, void *, const char *); 96void dk_sc_init(struct dk_softc *, void *, const char *);
97 97
98int dk_open(struct dk_intf *, struct dk_softc *, dev_t, 98int dk_open(struct dk_intf *, struct dk_softc *, dev_t,
99 int, int, struct lwp *); 99 int, int, struct lwp *);
100int dk_close(struct dk_intf *, struct dk_softc *, dev_t, 100int dk_close(struct dk_intf *, struct dk_softc *, dev_t,
101 int, int, struct lwp *); 101 int, int, struct lwp *);
102void dk_strategy(struct dk_intf *, struct dk_softc *, struct buf *); 102void dk_strategy(struct dk_intf *, struct dk_softc *, struct buf *);
103void dk_start(struct dk_intf *, struct dk_softc *); 103void dk_start(struct dk_intf *, struct dk_softc *);