In all cases namelen is ->d_name.len of some dentry; moreover, a dentry that has passed ->lookup() without triggering ENAMETOOLONG check there. The comment next to these checks is either a rudiment of some other check that used to be there once upon a time, or an attempt to come up with the possible reason for that check (well, more like "why does ext3 do it?") Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx> --- fs/reiserfs/namei.c | 7 ------- 1 file changed, 7 deletions(-) diff --git a/fs/reiserfs/namei.c b/fs/reiserfs/namei.c index 994d6e6995ab..c5f233b4a27f 100644 --- a/fs/reiserfs/namei.c +++ b/fs/reiserfs/namei.c @@ -451,13 +451,6 @@ static int reiserfs_add_entry(struct reiserfs_transaction_handle *th, BUG_ON(!th->t_trans_id); - /* cannot allow items to be added into a busy deleted directory */ - if (!namelen) - return -EINVAL; - - if (namelen > REISERFS_MAX_NAME(dir->i_sb->s_blocksize)) - return -ENAMETOOLONG; - /* each entry has unique key. compose it */ make_cpu_key(&entry_key, dir, get_third_component(dir->i_sb, name, namelen), -- 2.39.2