linux-kernel - Re: [PATCH] drm: mipi-dsi: Fix an API misuse in mipi_dsi_device_register

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Message-ID: <m6fvifsbb2yjbx6txqc7luii5mwukrpiw2n6bcnrmgidm5cxjv@ksmcnqg6sv23>
Date: Sat, 27 Sep 2025 01:45:38 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Haoxiang Li <haoxiang_li2024@....com>
Cc: maarten.lankhorst@...ux.intel.com, mripard@...nel.org, tzimmermann@...e.de,
        airlied@...il.com, simona@...ll.ch, andrzej.hajda@...el.com,
        treding@...dia.com, kyungmin.park@...sung.com,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org
Subject: Re: [PATCH] drm: mipi-dsi: Fix an API misuse in
 mipi_dsi_device_register_full()

On Fri, Sep 26, 2025 at 05:17:58PM +0800, Haoxiang Li wrote:
> mipi_dsi_device_alloc() calls device_initialize() to initialize value
> "&dsi->dev". Thus "dsi" should be freed using put_device() in error
> handling path.
> 
> Fixes: 068a00233969 ("drm: Add MIPI DSI bus support")
> Cc: stable@...r.kernel.org
> Signed-off-by: Haoxiang Li <haoxiang_li2024@....com>
> ---
>  drivers/gpu/drm/drm_mipi_dsi.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>


-- 
With best wishes
Dmitry