linux-kernel - Re: [PATCH] drm/msm/dp: Free resources after unregistering them

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Message-Id: <168682860385.384026.4276167891794745473.b4-ty@linaro.org>
Date:   Thu, 15 Jun 2023 14:31:24 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Rob Clark <robdclark@...il.com>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        Kuogee Hsieh <quic_khsieh@...cinc.com>,
        Bjorn Andersson <quic_bjorande@...cinc.com>
Cc:     Sean Paul <sean@...rly.run>, David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Johan Hovold <johan+linaro@...nel.org>,
        Vinod Polimera <quic_vpolimer@...cinc.com>,
        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/dp: Free resources after unregistering them


On Mon, 12 Jun 2023 15:02:59 -0700, Bjorn Andersson wrote:
> The DP component's unbind operation walks through the submodules to
> unregister and clean things up. But if the unbind happens because the DP
> controller itself is being removed, all the memory for those submodules
> has just been freed.
> 
> Change the order of these operations to avoid the many use-after-free
> that otherwise happens in this code path.
> 
> [...]

Applied, thanks!

[1/1] drm/msm/dp: Free resources after unregistering them
      https://gitlab.freedesktop.org/lumag/msm/-/commit/fa0048a4b1fa

Best regards,
-- 
Dmitry Baryshkov <dmitry.baryshkov@...aro.org>