From: Dan Carpenter <dan.carpenter@linaro.org>
To: Chenyuan Yang <chenyuan0y@gmail.com>
Cc: sudeep.holla@arm.com, cristian.marussi@arm.com,
rafael@kernel.org, viresh.kumar@linaro.org,
arm-scmi@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] cpufreq: scmi: Fix possible null pointer dereference
Date: Sat, 12 Apr 2025 21:30:59 +0300 [thread overview]
Message-ID: <0081fcd8-da99-47b2-b136-3ea04232046a@stanley.mountain> (raw)
In-Reply-To: <20250412180831.3252963-1-chenyuan0y@gmail.com>
On Sat, Apr 12, 2025 at 01:08:31PM -0500, Chenyuan Yang wrote:
> Check if policy is NULL before dereferencing it.
>
> This is similar to the commit cf7de25878a1
> ("cppc_cpufreq: Fix possible null pointer dereference").
>
> This is found by our static analysis tool KNighter.
>
> Signed-off-by: Chenyuan Yang <chenyuan0y@gmail.com>
> Fixes: 99d6bdf33877 ("cpufreq: add support for CPU DVFS based on SCMI message protocol")
Henry Martin already fixed this in commit 484d3f15cc6c ("cpufreq: scmi:
Fix null-ptr-deref in scmi_cpufreq_get_rate()").
regards,
dan carpenter
next prev parent reply other threads:[~2025-04-12 18:31 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-12 18:08 Chenyuan Yang
2025-04-12 18:30 ` Dan Carpenter [this message]
2025-04-12 18:32 ` Chenyuan Yang
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=0081fcd8-da99-47b2-b136-3ea04232046a@stanley.mountain \
--to=dan.carpenter@linaro.org \
--cc=arm-scmi@vger.kernel.org \
--cc=chenyuan0y@gmail.com \
--cc=cristian.marussi@arm.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-pm@vger.kernel.org \
--cc=rafael@kernel.org \
--cc=sudeep.holla@arm.com \
--cc=viresh.kumar@linaro.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®