linux-kernel - Re: [PATCH] drm/panel: Fix a possible null-pointer dereference in jdi_panel_dsi

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Message-Id: <176829516371.3839584.9008115736560140038.b4-ty@linaro.org>
Date: Tue, 13 Jan 2026 10:06:03 +0100
From: Neil Armstrong <neil.armstrong@...aro.org>
To: jesszhan0024@...il.com, maarten.lankhorst@...ux.intel.com, 
 mripard@...nel.org, tzimmermann@...e.de, airlied@...il.com, simona@...ll.ch, 
 Tuo Li <islituo@...il.com>
Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/panel: Fix a possible null-pointer dereference in
 jdi_panel_dsi_remove()

Hi,

On Thu, 18 Dec 2025 20:09:55 +0800, Tuo Li wrote:
> In jdi_panel_dsi_remove(), jdi is explicitly checked, indicating that it
> may be NULL:
> 
>   if (!jdi)
>     mipi_dsi_detach(dsi);
> 
> However, when jdi is NULL, the function does not return and continues by
> calling jdi_panel_disable():
> 
> [...]

Thanks, Applied to https://gitlab.freedesktop.org/drm/misc/kernel.git (drm-misc-next)

[1/1] drm/panel: Fix a possible null-pointer dereference in jdi_panel_dsi_remove()
      https://gitlab.freedesktop.org/drm/misc/kernel/-/commit/95eed73b871111123a8b1d31cb1fce7e902e49ea

-- 
Neil