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Date:   Fri, 08 Apr 2022 11:48:09 +0000
To:     Bas Nieuwenhuizen <bas@basnieuwenhuizen.nl>
From:   Simon Ser <contact@emersion.fr>
Cc:     Grigory Vasilyev <h0tc0d3@gmail.com>,
        Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>,
        Melissa Wen <mwen@igalia.com>,
        Alex Deucher <alexander.deucher@amd.com>,
        =?utf-8?Q?Christian_K=C3=B6nig?= <christian.koenig@amd.com>,
        "Pan, Xinhui" <Xinhui.Pan@amd.com>,
        David Airlie <airlied@linux.ie>,
        Daniel Vetter <daniel@ffwll.ch>,
        =?utf-8?Q?Michel_D=C3=A4nzer?= <mdaenzer@redhat.com>,
        Evan Quan <evan.quan@amd.com>,
        Sean Paul <seanpaul@chromium.org>,
        Qingqing Zhuo <qingqing.zhuo@amd.com>,
        amd-gfx mailing list <amd-gfx@lists.freedesktop.org>,
        ML dri-devel <dri-devel@lists.freedesktop.org>,
        LKML <linux-kernel@vger.kernel.org>
Reply-To: Simon Ser <contact@emersion.fr>
Subject: Re: [PATCH] drm/amdgpu: Fix NULL pointer dereference
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On Friday, April 8th, 2022 at 13:28, Bas Nieuwenhuizen <bas@basnieuwenhuize=
n.nl> wrote:

> On Fri, Apr 8, 2022 at 12:01 PM Simon Ser contact@emersion.fr wrote:
>
> > Is amdgpu_display_get_fb_info ever called with NULL tiling_flags/tmz_su=
rface?
> > If not, there's no point in adding NULL checks.
>
> It isn't called with NULL anywhere, the NULL checks that already exist
> seem redundant.

Grigory, would be be willing to submit a v2 which removes the unnecessary
NULL checks?