diff options
| author |   Mark Brown <broonie@kernel.org> | 2019-03-19 13:12:18 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2019-03-19 13:12:18 +0000 |
| commit | c9e48084c88cf901ad0d99a889f2628a5622d90b (patch) | |
| tree | e95ef2305fa14e0c6e218a6aba8de8df4a0b5798 /fs/xfs/libxfs/xfs_dir2.c | |
| parent | regulator: axp20x: Use rdev_get_id at appropriate places (diff) | |
| parent | Linux 5.1-rc1 (diff) | |
| download | wireguard-linux-c9e48084c88cf901ad0d99a889f2628a5622d90b.tar.xz wireguard-linux-c9e48084c88cf901ad0d99a889f2628a5622d90b.zip | |
Merge tag 'v5.1-rc1' into regulator-5.2
Linux 5.1-rc1
Diffstat (limited to 'fs/xfs/libxfs/xfs_dir2.c')
| -rw-r--r-- | fs/xfs/libxfs/xfs_dir2.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_dir2.c b/fs/xfs/libxfs/xfs_dir2.c index 229152cd1a24..156ce95c9c45 100644 --- a/fs/xfs/libxfs/xfs_dir2.c +++ b/fs/xfs/libxfs/xfs_dir2.c @@ -703,3 +703,20 @@ xfs_dir2_shrink_inode( xfs_trans_log_inode(tp, dp, XFS_ILOG_CORE); return 0; } + +/* Returns true if the directory entry name is valid. */ +bool +xfs_dir2_namecheck( + const void *name, + size_t length) +{ + /* + * MAXNAMELEN includes the trailing null, but (name/length) leave it + * out, so use >= for the length check. + */ + if (length >= MAXNAMELEN) + return false; + + /* There shouldn't be any slashes or nulls here */ + return !memchr(name, '/', length) && !memchr(name, 0, length); +} |