linux-kernel - Re: [PATCH v4] drm/bridge: synopsys: dw-dp: Check return value of devm_drm_bridge_add() in dw_dp

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Message-ID: <63c87d66-ffe6-46c9-9bd6-3d2cd58ca116@web.de>
Date: Fri, 6 Feb 2026 14:43:07 +0100
From: Markus Elfring <Markus.Elfring@....de>
To: Chen Ni <nichen@...as.ac.cn>, dri-devel@...ts.freedesktop.org
Cc: LKML <linux-kernel@...r.kernel.org>,
 Andrzej Hajda <andrzej.hajda@...el.com>, Andy Yan <andy.yan@...k-chips.com>,
 Andy Yan <andyshrk@....com>, David Airlie <airlied@...il.com>,
 Jernej Skrabec <jernej.skrabec@...il.com>, Jonas Karlman <jonas@...boo.se>,
 Laurent Pinchart <laurent.pinchart@...asonboard.com>,
 Luca Ceresoli <luca.ceresoli@...tlin.com>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>,
 Neil Armstrong <neil.armstrong@...aro.org>,
 Raphael Gallais-Pou <rgallaispou@...il.com>, Robert Foss <rfoss@...nel.org>,
 Simona Vetter <simona@...ll.ch>, Thomas Zimmermann <tzimmermann@...e.de>
Subject: Re: [PATCH v4] drm/bridge: synopsys: dw-dp: Check return value of
 devm_drm_bridge_add() in dw_dp_bind()

> Return the value of devm_drm_bridge_add() in order to propagate the
> error properly, if it fails due to resource allocation failure or bridge
> registration failure.
…

* 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