From: Sergey Senozhatsky <senozhatsky@chromium.org>
To: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Namjae Jeon <linkinjeon@kernel.org>,
Sergey Senozhatsky <senozhatsky@chromium.org>,
Steve French <sfrench@samba.org>,
Hyunchul Lee <hyc.lee@gmail.com>,
linux-cifs@vger.kernel.org, linux-kernel@vger.kernel.org,
kernel-janitors@vger.kernel.org
Subject: Re: [PATCH] ksmbd: remove unnecessary conditions
Date: Tue, 7 Sep 2021 17:06:04 +0900 [thread overview]
Message-ID: <YTcdbOgmB7758K+/@google.com> (raw)
In-Reply-To: <20210907073428.GD18254@kili>
On (21/09/07 10:34), Dan Carpenter wrote:
>
> id = le32_to_cpu(psid->sub_auth[psid->num_subauth - 1]);
> - if (id >= 0) {
> - /*
> - * Translate raw sid into kuid in the server's user
> - * namespace.
> - */
> - uid = make_kuid(&init_user_ns, id);
> -
> - /* If this is an idmapped mount, apply the idmapping. */
> - uid = kuid_from_mnt(user_ns, uid);
> - if (uid_valid(uid)) {
> - fattr->cf_uid = uid;
> - rc = 0;
> - }
> + /*
> + * Translate raw sid into kuid in the server's user
> + * namespace.
> + */
> + uid = make_kuid(&init_user_ns, id);
Can make_kuid() return INVALID_UID? IOW, uid_valid(uid) here as well?
> +
> + /* If this is an idmapped mount, apply the idmapping. */
> + uid = kuid_from_mnt(user_ns, uid);
> + if (uid_valid(uid)) {
> + fattr->cf_uid = uid;
> + rc = 0;
> }
[..]
> + /*
> + * Translate raw sid into kgid in the server's user
> + * namespace.
> + */
> + gid = make_kgid(&init_user_ns, id);
Ditto.
> + /* If this is an idmapped mount, apply the idmapping. */
> + gid = kgid_from_mnt(user_ns, gid);
> + if (gid_valid(gid)) {
> + fattr->cf_gid = gid;
> + rc = 0;
next prev parent reply other threads:[~2021-09-07 8:06 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-07 7:34 [PATCH] ksmbd: remove unnecessary conditions Dan Carpenter
2021-09-07 8:06 ` Sergey Senozhatsky [this message]
2021-09-07 8:54 ` Dan Carpenter
2021-09-07 9:04 ` Sergey Senozhatsky
2021-09-07 9:14 ` Dan Carpenter
2021-09-07 9:59 ` Sergey Senozhatsky
2021-09-07 10:17 ` Dan Carpenter
2021-09-07 10:34 ` Sergey Senozhatsky
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=YTcdbOgmB7758K+/@google.com \
--to=senozhatsky@chromium.org \
--cc=dan.carpenter@oracle.com \
--cc=hyc.lee@gmail.com \
--cc=kernel-janitors@vger.kernel.org \
--cc=linkinjeon@kernel.org \
--cc=linux-cifs@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=sfrench@samba.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).