From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Yang Yingliang <yangyingliang@huawei.com>
Cc: <linux-kernel@vger.kernel.org>, <linux-i3c@lists.infradead.org>,
<alexandre.belloni@bootlin.com>
Subject: Re: [PATCH -next v2] i3c: master: svc: drop free_irq of devm_request_irq allocated irq
Date: Mon, 7 Jun 2021 08:22:55 +0200 [thread overview]
Message-ID: <20210607082255.5ab761b9@xps13> (raw)
In-Reply-To: <20210602084935.3977636-1-yangyingliang@huawei.com>
Hello,
Yang Yingliang <yangyingliang@huawei.com> wrote on Wed, 2 Jun 2021
16:49:35 +0800:
> irq allocated with devm_request_irq() will be freed in devm_irq_release(),
> using free_irq() in ->remove() will causes a dangling pointer, and a
> subsequent double free. So remove the free_irq() in svc_i3c_master_remove().
>
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Thanks,
Miquèl
--
linux-i3c mailing list
linux-i3c@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-i3c
next prev parent reply other threads:[~2021-06-07 6:23 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-02 8:49 [PATCH -next v2] i3c: master: svc: drop free_irq of devm_request_irq allocated irq Yang Yingliang
2021-06-07 6:22 ` Miquel Raynal [this message]
2021-06-09 0:03 ` Alexandre Belloni
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=20210607082255.5ab761b9@xps13 \
--to=miquel.raynal@bootlin.com \
--cc=alexandre.belloni@bootlin.com \
--cc=linux-i3c@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=yangyingliang@huawei.com \
/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).