linux-kernel - Re: [PATCH] drm/tegra: dsi: fix device leak on probe

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Message-ID: <aWd3iFrujbRWyyyx@hovoldconsulting.com>
Date: Wed, 14 Jan 2026 12:01:28 +0100
From: Johan Hovold <johan@...nel.org>
To: Thierry Reding <thierry.reding@...il.com>,
	Mikko Perttunen <mperttunen@...dia.com>
Cc: David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
	dri-devel@...ts.freedesktop.org, linux-tegra@...r.kernel.org,
	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	Thierry Reding <treding@...dia.com>
Subject: Re: [PATCH] drm/tegra: dsi: fix device leak on probe

On Fri, Nov 21, 2025 at 05:42:01PM +0100, Johan Hovold wrote:
> Make sure to drop the reference taken when looking up the companion
> (ganged) device and its driver data during probe().
> 
> 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: e94236cde4d5 ("drm/tegra: dsi: Add ganged mode support")
> Fixes: 221e3638feb8 ("drm/tegra: Fix reference leak in tegra_dsi_ganged_probe")
> Cc: stable@...r.kernel.org	# 3.19: 221e3638feb8
> Cc: Thierry Reding <treding@...dia.com>
> Signed-off-by: Johan Hovold <johan@...nel.org>

Can this one be picked up now?

Johan