linux-kernel - Re: [PATCH v2] drm/bridge: analogix_dp: Fix bailout for devm_drm_bridge

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Message-ID: <980a05f3-42dc-4767-82be-42f181e9ae8e@nxp.com>
Date: Fri, 15 Aug 2025 11:42:44 +0800
From: Liu Ying <victor.liu@....com>
To: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Cc: andrzej.hajda@...el.com, neil.armstrong@...aro.org, rfoss@...nel.org,
 Laurent.pinchart@...asonboard.com, jonas@...boo.se,
 jernej.skrabec@...il.com, maarten.lankhorst@...ux.intel.com,
 mripard@...nel.org, tzimmermann@...e.de, airlied@...il.com, simona@...ll.ch,
 dmitry.baryshkov@....qualcomm.com, dianders@...omium.org,
 damon.ding@...k-chips.com, m.szyprowski@...sung.com,
 luca.ceresoli@...tlin.com
Subject: Re: [PATCH v2] drm/bridge: analogix_dp: Fix bailout for
 devm_drm_bridge_alloc()

On 8/6/25 17:52, Liu Ying wrote:
> devm_drm_bridge_alloc() returns ERR_PTR on failure instead of a
> NULL pointer, so use IS_ERR() to check the returned pointer.
> While at it, on failure, return ERR_CAST(dp) instead of
> ERR_PTR(-ENOMEM) in order not to depend on devm_drm_bridge_alloc()
> error code implementation.
> 
> Fixes: 48f05c3b4b70 ("drm/bridge: analogix_dp: Use devm_drm_bridge_alloc() API")
> Signed-off-by: Liu Ying <victor.liu@....com>
> ---
> v2:
> - Return ERR_CAST(dp) on failure.  (Luca)
> 
>  drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

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

-- 
Regards,
Liu Ying