linux-kernel - Re: [PATCH] clk: tegra: tegra124-emc: fix device leak on set

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] [day] [month] [year] [list]

Message-ID: <aWd3KmGKfaUX87ya@hovoldconsulting.com>
Date: Wed, 14 Jan 2026 11:59:54 +0100
From: Johan Hovold <johan@...nel.org>
To: Peter De Schrijver <pdeschrijver@...dia.com>,
	Prashant Gaikwad <pgaikwad@...dia.com>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>
Cc: Thierry Reding <thierry.reding@...il.com>,
	Mikko Perttunen <mperttunen@...dia.com>,
	Miaoqian Lin <linmq006@...il.com>, linux-clk@...r.kernel.org,
	linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Subject: Re: [PATCH] clk: tegra: tegra124-emc: fix device leak on set_rate()

On Fri, Nov 21, 2025 at 05:40:03PM +0100, Johan Hovold wrote:
> Make sure to drop the reference taken when looking up the EMC device and
> its driver data on first set_rate().
> 
> Note that holding a reference to a device does not prevent its driver
> data from going away so there is no point in keeping the reference.
> 
> Fixes: 2db04f16b589 ("clk: tegra: Add EMC clock driver")
> Fixes: 6d6ef58c2470 ("clk: tegra: tegra124-emc: Fix missing put_device() call in emc_ensure_emc_driver")
> Cc: stable@...r.kernel.org	# 4.2: 6d6ef58c2470
> Cc: Mikko Perttunen <mperttunen@...dia.com>
> Cc: Miaoqian Lin <linmq006@...il.com>
> Signed-off-by: Johan Hovold <johan@...nel.org>

Can this one be picked up for 6.19 (or 6.20) now?

Johan