Re: [PATCH] autofs: add per dentry expire timeout

[Al Viro <viro@xxxxxxxxxxxxxxxxxx>]

On Wed, Aug 14, 2024 at 11:50:37AM +0800, Ian Kent wrote:

> +		inode_lock_shared(inode);
> +		dentry = try_lookup_one_len(param->path, base, path_len);
> +		inode_unlock_shared(inode);
> +		if (!dentry)
> +			return -ENOENT;
> +		ino = autofs_dentry_ino(dentry);

Why can't we get ERR_PTR(...) from try_lookup_one_len() here?