linux-kernel - Re: [PATCH] drm/amdgpu/display: initialize the variable 'i'

Open Source and information security mailing list archives

Message-ID: <CADnq5_PgZLo56d613xo=ofo9X=uq8bXKUu=khpUzVm0vTDVJqQ@mail.gmail.com>
Date:   Tue, 23 Feb 2021 12:46:24 -0500
From:   Alex Deucher <alexdeucher@...il.com>
To:     Souptick Joarder <jrdr.linux@...il.com>
Cc:     "Wentland, Harry" <harry.wentland@....com>,
        "Leo (Sunpeng) Li" <sunpeng.li@....com>,
        "Deucher, Alexander" <alexander.deucher@....com>,
        Christian Koenig <christian.koenig@....com>,
        Dave Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        "Kazlauskas, Nicholas" <nicholas.kazlauskas@....com>,
        "Siqueira, Rodrigo" <Rodrigo.Siqueira@....com>,
        Aurabindo Pillai <aurabindo.pillai@....com>,
        Stylon Wang <stylon.wang@....com>,
        Simon Ser <contact@...rsion.fr>,
        Bas Nieuwenhuizen <bas@...nieuwenhuizen.nl>,
        Bhawanpreet Lakha <Bhawanpreet.Lakha@....com>,
        Maling list - DRI developers 
        <dri-devel@...ts.freedesktop.org>,
        amd-gfx list <amd-gfx@...ts.freedesktop.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/amdgpu/display: initialize the variable 'i'

On Mon, Feb 22, 2021 at 3:13 PM Souptick Joarder <jrdr.linux@...il.com> wrote:
>
> >> drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:9804:38:
> >> warning: variable 'i' is uninitialized when used here
> >> [-Wuninitialized]
>                            timing  = &edid->detailed_timings[i];
>                                                              ^
>    drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:9714:7:
> note: initialize the variable 'i' to silence this warning
>            int i;
>                 ^
>                  = 0
>    1 warning generated.
>
> Initialize the variable 'i'.
>
> Reported-by: kernel test robot <lkp@...el.com>
> Signed-off-by: Souptick Joarder <jrdr.linux@...il.com>

Applied.  Thanks!

Alex

> ---
>  drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> index a22a53d..e96d3d9 100644
> --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
> @@ -9717,7 +9717,7 @@ static bool parse_hdmi_amd_vsdb(struct amdgpu_dm_connector *aconnector,
>  void amdgpu_dm_update_freesync_caps(struct drm_connector *connector,
>                                         struct edid *edid)
>  {
> -       int i;
> +       int i = 0;
>         struct detailed_timing *timing;
>         struct detailed_non_pixel *data;
>         struct detailed_data_monitor_range *range;
> --
> 1.9.1
>
> _______________________________________________
> amd-gfx mailing list
> amd-gfx@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/amd-gfx

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives