From: Murphy Zhou <jencce.kernel@gmail.com>
To: Linux-Fsdevel <linux-fsdevel@vger.kernel.org>
Subject: Re: [PATCH] vfs: return EINVAL instead of ENOENT when missing source
Date: Fri, 29 Mar 2019 17:18:17 +0800 [thread overview]
Message-ID: <CADJHv_tmKTqo53x-24qYFKbupv8+Y0P73UUq=EvrM8eLW_RYTQ@mail.gmail.com> (raw)
In-Reply-To: <20190318050022.7833-1-jencce.kernel@gmail.com>
Ping on this one?
Thanks!
On Mon, Mar 18, 2019 at 1:39 PM Murphy Zhou <jencce.kernel@gmail.com> wrote:
>
> mount(2) with a NULL source device would return ENOENT instead of EINVAL
> after this commit:
>
> commit f3a09c92018a91ad0981146a4ac59414f814d801
> Author: Al Viro <viro@zeniv.linux.org.uk>
> Date: Sun Dec 23 18:55:56 2018 -0500
>
> introduce fs_context methods
>
> Change the return value to be compatible with the old behaviour.
>
> This was caught by LTP mount02[1]. This testcase is calling mount(2) with a
> NULL device name and expecting EINVAL to PASS but now we are getting ENOENT.
>
> [1] https://github.com/linux-test-project/ltp/blob/master/testcases/kernel/syscalls/mount/mount02.c
>
> Signed-off-by: Murphy Zhou <jencce.kernel@gmail.com>
> ---
> fs/super.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/fs/super.c b/fs/super.c
> index 583a0124bc39..48e51f13a4ba 100644
> --- a/fs/super.c
> +++ b/fs/super.c
> @@ -1469,7 +1469,7 @@ int vfs_get_tree(struct fs_context *fc)
>
> if (fc->fs_type->fs_flags & FS_REQUIRES_DEV && !fc->source) {
> errorf(fc, "Filesystem requires source device");
> - return -ENOENT;
> + return -EINVAL;
> }
>
> if (fc->root)
> --
> 2.21.0
>
next prev parent reply other threads:[~2019-03-29 9:18 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-18 5:00 [PATCH] vfs: return EINVAL instead of ENOENT when missing source Murphy Zhou
2019-03-18 23:00 ` David Howells
2019-03-29 9:18 ` Murphy Zhou [this message]
2019-04-04 8:39 ` Murphy Zhou
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to='CADJHv_tmKTqo53x-24qYFKbupv8+Y0P73UUq=EvrM8eLW_RYTQ@mail.gmail.com' \
--to=jencce.kernel@gmail.com \
--cc=linux-fsdevel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).