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

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Message-ID: <CAA8EJpoA2VOO28tzT24fzYseFg__thXHcuXHiXGX-pwxGNz8HQ@mail.gmail.com>
Date:   Tue, 31 May 2022 00:49:21 +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

A nit: patchwork thinks that two patches from the same author with the
same subject are two versions of the same patch. In future, could you
please send such patches with distinct names? No need to send v2 now
unless review shows other issues with the patches.

On Mon, 30 May 2022 at 10:33, Haowen Bai <baihaowen@...zu.com> wrote:
>
> The ctx->hw 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_hw_wb.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)

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

-- 
With best wishes
Dmitry