linux-kernel - Re: [PATCH] drm/msm/dpu: Fix pointer dereferenced before checking

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Message-ID: <CAA8EJpqfvMPZza=J-TKxNtP2L1GPsy+va_dJ9EWuCAYtZWQrjA@mail.gmail.com>
Date:   Tue, 31 May 2022 00:49:42 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Haowen Bai <baihaowen@...zu.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>, 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/dpu: Fix pointer dereferenced before checking

On Mon, 30 May 2022 at 05:20, Haowen Bai <baihaowen@...zu.com> wrote:
>
> The phys_enc->wb_idx is dereferencing before null checking, so move
> it after checking.
>
> Signed-off-by: Haowen Bai <baihaowen@...zu.com>
> ---
>  drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

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

-- 
With best wishes
Dmitry