linux-kernel - Re: [PATCH] drm/msm/mdp4: Fix refcount leak in mdp4_modeset_init

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Date:   Tue, 7 Jun 2022 18:39:42 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Miaoqian Lin <linmq006@...il.com>
Cc:     Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Sean Paul <sean@...rly.run>, David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Stephen Boyd <swboyd@...omium.org>,
        David Heidelberg <david@...t.cz>,
        Guo Zhengkui <guozhengkui@...o.com>,
        Xu Wang <vulab@...as.ac.cn>,
        Neil Armstrong <narmstrong@...libre.com>,
        Rob Herring <robh@...nel.org>, linux-arm-msm@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drm/msm/mdp4: Fix refcount leak in mdp4_modeset_init_intf

On Tue, 7 Jun 2022 at 14:08, Miaoqian Lin <linmq006@...il.com> wrote:
>
> of_graph_get_remote_node() returns remote device node pointer with
> refcount incremented, we should use of_node_put() on it
> when not need anymore.
> Add missing of_node_put() to avoid refcount leak.
>
> Fixes: 86418f90a4c1 ("drm: convert drivers to use of_graph_get_remote_node")
> Signed-off-by: Miaoqian Lin <linmq006@...il.com>

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>



-- 
With best wishes
Dmitry