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Date:   Tue, 15 Feb 2022 01:15:11 +0000
From:   Al Viro <viro@zeniv.linux.org.uk>
To:     Stefan Roesch <shr@fb.com>
Cc:     io-uring@vger.kernel.org, linux-fsdevel@vger.kernel.org,
        kernel-team@fb.com
Subject: Re: [PATCH v2 1/2] fs: replace const char* parameter in vfs_statx
 and do_statx with struct filename
Message-ID: <Ygr+nzDK6ft6LXfG@zeniv-ca.linux.org.uk>
References: <20220215002121.2049686-1-shr@fb.com>
 <20220215002121.2049686-2-shr@fb.com>
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On Mon, Feb 14, 2022 at 04:21:20PM -0800, Stefan Roesch wrote:
>  {
> -	return do_statx(dfd, filename, flags, mask, buffer);
> +	int ret;
> +	struct filename *name;
> +
> +	name = getname_flags(filename, getname_statx_lookup_flags(flags), NULL);
> +	ret = do_statx(dfd, name, flags, mask, buffer);
> +	if (name)
> +		putname(name);

... and the same comment goes for this one - getname... does *not*
report a failure as NULL; it's ERR_PTR(), and putname(ERR_PTR(...))
is an explicit no-op.