linux-kernel - Re: [PATCH] drm/rockchip: analogix_dp: Add missing error check for platform_get

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Message-ID: <036f47ad-f126-45ff-a0a8-b3a450020b5a@web.de>
Date: Fri, 6 Feb 2026 15:00:13 +0100
From: Markus Elfring <Markus.Elfring@....de>
To: Chen Ni <nichen@...as.ac.cn>, dri-devel@...ts.freedesktop.org,
 linux-rockchip@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org
Cc: LKML <linux-kernel@...r.kernel.org>, Andy Yan <andy.yan@...k-chips.com>,
 Damon Ding <damon.ding@...k-chips.com>, David Airlie <airlied@...il.com>,
 Dragan Simic <dsimic@...jaro.org>, Heiko Stübner
 <heiko@...ech.de>, Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Sandy Huang <hjc@...k-chips.com>,
 Simona Vetter <simona@...ll.ch>, Thomas Zimmermann <tzimmermann@...e.de>
Subject: Re: [PATCH] drm/rockchip: analogix_dp: Add missing error check for
 platform_get_resource()

> Add missing error check for platform_get_resource() return value to
> prevent NULL pointer dereference when memory resource is not available.

* Were any source code analysis tools involved here?

* See also once more:
  https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/process/stable-kernel-rules.rst?h=v6.19-rc8#n34


Regards,
Markus