Module Name: src
Committed By: kamil
Date: Fri Feb 28 11:27:38 UTC 2020
Modified Files:
src/sys/fs/hfs: hfs_vfsops.c
Log Message:
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'
To generate a diff of this commit:
cvs rdiff -u -r1.36 -r1.37 src/sys/fs/hfs/hfs_vfsops.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/fs/hfs/hfs_vfsops.c
diff -u src/sys/fs/hfs/hfs_vfsops.c:1.36 src/sys/fs/hfs/hfs_vfsops.c:1.37
--- src/sys/fs/hfs/hfs_vfsops.c:1.36 Fri Jan 17 20:08:07 2020
+++ src/sys/fs/hfs/hfs_vfsops.c Fri Feb 28 11:27:38 2020
@@ -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 @@ hfs_statvfs(struct mount *mp, struct sta
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;
