linux-kernel - Re: (subset) [PATCH 1/2] drm/panel/raspberrypi-touchscreen: Avoid NULL deref if not initialised

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Date:   Wed, 20 Apr 2022 10:39:17 +0200
From:   Maxime Ripard <maxime@...no.tech>
To:     Stefan Wahren <stefan.wahren@...e.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Thierry Reding <thierry.reding@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Sam Ravnborg <sam@...nborg.org>
Cc:     Maxime Ripard <maxime@...no.tech>,
        Dave Stevenson <dave.stevenson@...pberrypi.com>,
        linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: Re: (subset) [PATCH 1/2] drm/panel/raspberrypi-touchscreen: Avoid NULL deref if not initialised

On Fri, 15 Apr 2022 18:25:12 +0200, Stefan Wahren wrote:
> From: Dave Stevenson <dave.stevenson@...pberrypi.com>
> 
> If a call to rpi_touchscreen_i2c_write from rpi_touchscreen_probe
> fails before mipi_dsi_device_register_full is called, then
> in trying to log the error message if uses ts->dsi->dev when
> it is still NULL.
> 
> [...]

Applied to drm/drm-misc (drm-misc-fixes).

Thanks!
Maxime