diff options
| author | Michael I. Bushnell <mib@gnu.org> | 1996-06-24 19:08:04 +0000 |
|---|---|---|
| committer | Michael I. Bushnell <mib@gnu.org> | 1996-06-24 19:08:04 +0000 |
| commit | 06ca25eac7fe461edac4deeb66f891301eae84d4 (patch) | |
| tree | 202632d101bcaaa55226eabf6418f0d2ce6cec49 /libdiskfs | |
| parent | 52bf1f14d0f2ddecf8acd5f52e440fb791ac3d0f (diff) | |
(diskfs_S_file_chmod): Validate mode change before making it.
Diffstat (limited to 'libdiskfs')
| -rw-r--r-- | libdiskfs/file-chmod.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/libdiskfs/file-chmod.c b/libdiskfs/file-chmod.c index c5228d13..545b810f 100644 --- a/libdiskfs/file-chmod.c +++ b/libdiskfs/file-chmod.c @@ -1,5 +1,5 @@ /* libdiskfs implementation of fs.defs: file_chmod - Copyright (C) 1992, 1993, 1994 Free Software Foundation + Copyright (C) 1992, 1993, 1994, 1996 Free Software Foundation This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as @@ -39,8 +39,12 @@ diskfs_S_file_chmod (struct protid *cred, mode &= ~S_ISUID; } mode |= (np->dn_stat.st_mode & (S_IFMT | S_ISPARE)); - np->dn_stat.st_mode = mode; - np->dn_set_ctime = 1; + err = diskfs_validate_mode_change (np, mode); + if (!err) + { + np->dn_stat.st_mode = mode; + np->dn_set_ctime = 1; + } } })); } |