linux-kernel - Re: [PATCH RESEND] drm/msm/dpu: Fix variable dereferenced before check

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Message-ID: <CAA8EJprfCV259z_MWUN1yYRkAaPOJcpoZDcKiwKHwTdWaPeyww@mail.gmail.com>
Date:   Sat, 25 Jun 2022 03:13:25 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     sunliming <sunliming@...inos.cn>
Cc:     quic_abhinavk@...cinc.com, robdclark@...il.com,
        linux-kernel@...r.kernel.org, freedreno@...ts.freedesktop.org,
        kelulanainsley@...il.com, dan.carpenter@...cle.com,
        kernel test robot <lkp@...el.com>
Subject: Re: [PATCH RESEND] drm/msm/dpu: Fix variable dereferenced before check

On Fri, 24 Jun 2022 at 04:07, sunliming <sunliming@...inos.cn> wrote:
>
> Fixes the following smatch warning:
>
> drivers/gpu/drm/msm/disp/dpu1/dpu_encoder_phys_wb.c:261
> dpu_encoder_phys_wb_atomic_check() warn: variable dereferenced before check 'conn_state'
>
> Fixes: d7d0e73f7de3 ("drm/msm/dpu: introduce the dpu_encoder_phys_* for writeback")
> Reported-by: kernel test robot <lkp@...el.com>
> Reported-by: Dan Carpenter <dan.carpenter@...cle.com>
> Signed-off-by: sunliming <sunliming@...inos.cn>
> Reviewed-by: Abhinav Kumar <quic_abhinavk@...cinc.com>

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


-- 
With best wishes
Dmitry