linux-kernel - Re: [PATCH] cpufreq: Use of_property

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAGb2v65GvkyMS3kZWEADGWKvZ818w5uvJASkEMrox535c4Ba_Q@mail.gmail.com>
Date: Thu, 1 Aug 2024 11:41:04 +0800
From: Chen-Yu Tsai <wens@...e.org>
To: "Rob Herring (Arm)" <robh@...nel.org>
Cc: "Rafael J. Wysocki" <rafael@...nel.org>, Viresh Kumar <viresh.kumar@...aro.org>, 
	Michael Ellerman <mpe@...erman.id.au>, Nicholas Piggin <npiggin@...il.com>, 
	Christophe Leroy <christophe.leroy@...roup.eu>, Naveen N Rao <naveen@...nel.org>, 
	Patrice Chotard <patrice.chotard@...s.st.com>, Yangtao Li <tiny.windzz@...il.com>, 
	Jernej Skrabec <jernej.skrabec@...il.com>, Samuel Holland <samuel@...lland.org>, linux-pm@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org, 
	linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev
Subject: Re: [PATCH] cpufreq: Use of_property_present()

On Thu, Aug 1, 2024 at 3:13 AM Rob Herring (Arm) <robh@...nel.org> wrote:
>
> Use of_property_present() to test for property presence rather than
> of_(find|get)_property(). This is part of a larger effort to remove
> callers of of_find_property() and similar functions. of_find_property()
> leaks the DT struct property and data pointers which is a problem for
> dynamically allocated nodes which may be freed.
>
> Signed-off-by: Rob Herring (Arm) <robh@...nel.org>
> ---
>  drivers/cpufreq/cpufreq-dt.c           | 11 +++--------
>  drivers/cpufreq/pmac64-cpufreq.c       |  2 +-
>  drivers/cpufreq/sti-cpufreq.c          |  2 +-

>  drivers/cpufreq/sun50i-cpufreq-nvmem.c |  2 +-

Acked-by: Chen-Yu Tsai <wens@...e.org>