diff options
Diffstat (limited to 'fs/xfs/libxfs/xfs_dir2.c')
| -rw-r--r-- | fs/xfs/libxfs/xfs_dir2.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/fs/xfs/libxfs/xfs_dir2.c b/fs/xfs/libxfs/xfs_dir2.c index 229152cd1a24..67840723edbb 100644 --- a/fs/xfs/libxfs/xfs_dir2.c +++ b/fs/xfs/libxfs/xfs_dir2.c @@ -5,20 +5,16 @@ */ #include "xfs.h" #include "xfs_fs.h" +#include "xfs_shared.h" #include "xfs_format.h" #include "xfs_log_format.h" #include "xfs_trans_resv.h" #include "xfs_mount.h" -#include "xfs_defer.h" -#include "xfs_da_format.h" -#include "xfs_da_btree.h" #include "xfs_inode.h" #include "xfs_trans.h" -#include "xfs_inode_item.h" #include "xfs_bmap.h" #include "xfs_dir2.h" #include "xfs_dir2_priv.h" -#include "xfs_ialloc.h" #include "xfs_errortag.h" #include "xfs_error.h" #include "xfs_trace.h" @@ -703,3 +699,20 @@ 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); +} |