linux-kernel - Re: [PATCH] drm/msm/dpu: avoid uninitialized variable use

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Message-ID: <fcgmsw66wi6eqtcwhcz5yc6migoauygaztqumztseo7uu4a62g@bg5xnnd4eosw>
Date: Sat, 9 Aug 2025 11:20:34 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Nathan Chancellor <nathan@...nel.org>
Cc: Arnd Bergmann <arnd@...nel.org>, Rob Clark <robin.clark@....qualcomm.com>,
        Dmitry Baryshkov <lumag@...nel.org>, David Airlie <airlied@...il.com>,
        Simona Vetter <simona@...ll.ch>,
        Abhinav Kumar <quic_abhinavk@...cinc.com>,
        Arnd Bergmann <arnd@...db.de>, Abhinav Kumar <abhinav.kumar@...ux.dev>,
        Jessica Zhang <jessica.zhang@....qualcomm.com>,
        Sean Paul <sean@...rly.run>,
        Marijn Suijten <marijn.suijten@...ainline.org>,
        Nick Desaulniers <nick.desaulniers+lkml@...il.com>,
        Bill Wendling <morbo@...gle.com>,
        Justin Stitt <justinstitt@...gle.com>,
        Antonino Maniscalco <antomani103@...il.com>,
        Konrad Dybcio <konrad.dybcio@....qualcomm.com>,
        Jun Nie <jun.nie@...aro.org>, linux-arm-msm@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org,
        linux-kernel@...r.kernel.org, llvm@...ts.linux.dev
Subject: Re: [PATCH] drm/msm/dpu: avoid uninitialized variable use

On Thu, Aug 07, 2025 at 07:34:44AM -0700, Nathan Chancellor wrote:
> On Thu, Aug 07, 2025 at 11:09:38AM +0300, Dmitry Baryshkov wrote:
> > Having no plane->crtc is a valid setting and it is handled inside
> > drm_atomic_helper_check_plane_state() by setting plane_state->visible =
> > false and returning early. Setting crtc_state to NULL is a correct fix.
> > Could you please send it?
> 
> I sent this fix three weeks ago, could this be applied?

It will be picked up for -rc2 (hopefully)

> 
> https://lore.kernel.org/20250715-drm-msm-fix-const-uninit-warning-v1-1-d6a366fd9a32@kernel.org/
> 
> Cheers,
> Nathan

-- 
With best wishes
Dmitry