linux-kernel - Re: [PATCH] drm/msm/dpu: check for null return of devm_kzalloc() in dpu_writeback

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Message-Id: <167330408783.609993.13860899129914018447.b4-ty@linaro.org>
Date:   Tue, 10 Jan 2023 00:41:27 +0200
From:   Dmitry Baryshkov <dbaryshkov@...il.com>
To:     robdclark@...il.com, quic_abhinavk@...cinc.com, airlied@...il.com,
        daniel@...ll.ch, Hui Tang <tanghui20@...wei.com>
Cc:     linux-arm-msm@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        freedreno@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        yusongping@...wei.com
Subject: Re: [PATCH] drm/msm/dpu: check for null return of devm_kzalloc() in dpu_writeback_init()


On Sat, 19 Nov 2022 13:55:18 +0800, Hui Tang wrote:
> Because of the possilble failure of devm_kzalloc(), dpu_wb_conn might
> be NULL and will cause null pointer derefrence later.
> 
> Therefore, it might be better to check it and directly return -ENOMEM.
> 
> 

Applied, thanks!

[1/1] drm/msm/dpu: check for null return of devm_kzalloc() in dpu_writeback_init()
      https://gitlab.freedesktop.org/lumag/msm/-/commit/21e9a838f505

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