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[src/trunk]: src/sys/fs/hfs Avoid undefined behavior in left shift semantics
details: https://anonhg.NetBSD.org/src/rev/5db328f91390
branches: trunk
changeset: 969704:5db328f91390
user: kamil <kamil%NetBSD.org@localhost>
date: Fri Feb 28 11:27:38 2020 +0000
description:
Avoid undefined behavior in left shift semantics
hfs_vfsops.c:477:19, left shift of 1 by 31 places cannot be represented in type 'int'
diffstat:
sys/fs/hfs/hfs_vfsops.c | 6 +++---
1 files changed, 3 insertions(+), 3 deletions(-)
diffs (27 lines):
diff -r 92afa7721c63 -r 5db328f91390 sys/fs/hfs/hfs_vfsops.c
--- a/sys/fs/hfs/hfs_vfsops.c Fri Feb 28 10:59:58 2020 +0000
+++ b/sys/fs/hfs/hfs_vfsops.c Fri Feb 28 11:27:38 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: hfs_vfsops.c,v 1.36 2020/01/17 20:08:07 ad Exp $ */
+/* $NetBSD: hfs_vfsops.c,v 1.37 2020/02/28 11:27:38 kamil Exp $ */
/*-
* Copyright (c) 2005, 2007 The NetBSD Foundation, Inc.
@@ -99,7 +99,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: hfs_vfsops.c,v 1.36 2020/01/17 20:08:07 ad Exp $");
+__KERNEL_RCSID(0, "$NetBSD: hfs_vfsops.c,v 1.37 2020/02/28 11:27:38 kamil Exp $");
#ifdef _KERNEL_OPT
#include "opt_compat_netbsd.h"
@@ -474,7 +474,7 @@
sbp->f_bavail = vh->free_blocks; /* blocks free for non superuser */
sbp->f_bresvd = 0;
sbp->f_files = vh->file_count; /* total files */
- sbp->f_ffree = (1<<31) - vh->file_count; /* free file nodes */
+ sbp->f_ffree = (1U<<31) - vh->file_count; /* free file nodes */
copy_statvfs_info(sbp, mp);
return 0;
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