From: Alexey Gladkov <gladkov.alexey@gmail.com>
To: Alexey Dobriyan <adobriyan@gmail.com>
Cc: akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
linux-fsdevel@vger.kernel.org
Subject: Re: [PATCH] proc: delete redundant subset=pid check
Date: Sat, 20 Mar 2021 19:02:14 +0100 [thread overview]
Message-ID: <20210320180214.xxet7yjxivp4aiaq@example.org> (raw)
In-Reply-To: <YFYYwIBIkytqnkxP@localhost.localdomain>
On Sat, Mar 20, 2021 at 06:46:08PM +0300, Alexey Dobriyan wrote:
> Two checks in lookup and readdir code should be enough to not have
> third check in open code.
>
> Can't open what can't be looked up?
As far as I remember, I first added pidonly processing here and later then
I disabled lookup. Now this is unnecessary.
Acked-by: Alexey Gladkov <gladkov.alexey@gmail.com>
> Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
> ---
>
> fs/proc/inode.c | 4 ----
> 1 file changed, 4 deletions(-)
>
> --- a/fs/proc/inode.c
> +++ b/fs/proc/inode.c
> @@ -483,7 +483,6 @@ proc_reg_get_unmapped_area(struct file *file, unsigned long orig_addr,
>
> static int proc_reg_open(struct inode *inode, struct file *file)
> {
> - struct proc_fs_info *fs_info = proc_sb_info(inode->i_sb);
> struct proc_dir_entry *pde = PDE(inode);
> int rv = 0;
> typeof_member(struct proc_ops, proc_open) open;
> @@ -497,9 +496,6 @@ static int proc_reg_open(struct inode *inode, struct file *file)
> return rv;
> }
>
> - if (fs_info->pidonly == PROC_PIDONLY_ON)
> - return -ENOENT;
> -
> /*
> * Ensure that
> * 1) PDE's ->release hook will be called no matter what
>
--
Rgrds, legion
prev parent reply other threads:[~2021-03-20 18:03 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-20 15:46 Alexey Dobriyan
2021-03-20 18:02 ` Alexey Gladkov [this message]
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=20210320180214.xxet7yjxivp4aiaq@example.org \
--to=gladkov.alexey@gmail.com \
--cc=adobriyan@gmail.com \
--cc=akpm@linux-foundation.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-kernel@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
all inboxes | Powered by JetHome®