From: sashiko-bot@kernel.org
To: "Johan Hovold" <johan@kernel.org>
Cc: linux-usb@vger.kernel.org
Subject: Re: [PATCH] USB: core: document purpose of interface parent reference
Date: Thu, 15 Oct 2026 07:59:44 +0000 [thread overview]
Message-ID: <sashiko-outbox-172441@kernel.org> (raw)
In-Reply-To: <20261015074831.1418677-1-johan@kernel.org>
> USB interfaces hold a reference to their parent USB device to make sure
> they do not outlive the parent.
>
> Add a comment explaining that this reference is specifically needed for
> asynchronous device resets and the device type need_parent_lock feature
> (to allow driver core to lock the parent when only holding a reference
> to the interface).
>
> See commits:
>
> 524134d42231 ("USB: don't cancel queued resets when unbinding drivers")
> af61396a992b ("driver core: fix parent lock use-after-free on USB disconnect")
>
> for further details.
>
> Signed-off-by: Johan Hovold <johan@kernel.org>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20261015074831.1418677-1-johan@kernel.org?part=1
next prev parent reply other threads:[~2026-10-15 7:59 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-15 7:48 [PATCH] USB: core: document purpose of interface parent reference Johan Hovold
2026-10-15 7:59 ` sashiko-bot [this message]
2026-10-15 8:08 ` Danilo Krummrich
2026-10-15 8:28 ` Johan Hovold
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=sashiko-outbox-172441@kernel.org \
--to=sashiko-bot@kernel.org \
--cc=johan@kernel.org \
--cc=linux-usb@vger.kernel.org \
--cc=sashiko-reviews@lists.linux.dev \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.