linux-kernel - Re: [Nouveau] [PATCH 02/40] drm/nouveau/dispnv50/disp: Remove unused variable 'ret'

Open Source and information security mailing list archives

Date:   Mon, 19 Apr 2021 13:42:53 +0200
From:   Karol Herbst <kherbst@...hat.com>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     David Airlie <airlied@...ux.ie>,
        nouveau <nouveau@...ts.freedesktop.org>,
        LKML <linux-kernel@...r.kernel.org>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        Ben Skeggs <bskeggs@...hat.com>,
        Daniel Vetter <daniel@...ll.ch>
Subject: Re: [Nouveau] [PATCH 02/40] drm/nouveau/dispnv50/disp: Remove unused
 variable 'ret'

On Fri, Apr 16, 2021 at 4:37 PM Lee Jones <lee.jones@...aro.org> wrote:
>
> Fixes the following W=1 kernel build warning(s):
>
>  drivers/gpu/drm/nouveau/dispnv50/disp.c:1381:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
>

not a big fan of just ignoring return codes, I'd rather see it handled
somehow, unless somebody knowing more about the details here says it's
okay.

> Cc: Ben Skeggs <bskeggs@...hat.com>
> Cc: David Airlie <airlied@...ux.ie>
> Cc: Daniel Vetter <daniel@...ll.ch>
> Cc: dri-devel@...ts.freedesktop.org
> Cc: nouveau@...ts.freedesktop.org
> Signed-off-by: Lee Jones <lee.jones@...aro.org>
> ---
>  drivers/gpu/drm/nouveau/dispnv50/disp.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/nouveau/dispnv50/disp.c b/drivers/gpu/drm/nouveau/dispnv50/disp.c
> index 1c9c0cdf85dbc..4801aafd9552b 100644
> --- a/drivers/gpu/drm/nouveau/dispnv50/disp.c
> +++ b/drivers/gpu/drm/nouveau/dispnv50/disp.c
> @@ -1410,10 +1410,9 @@ nv50_mstm_prepare(struct nv50_mstm *mstm)
>  {
>         struct nouveau_drm *drm = nouveau_drm(mstm->outp->base.base.dev);
>         struct drm_encoder *encoder;
> -       int ret;
>
>         NV_ATOMIC(drm, "%s: mstm prepare\n", mstm->outp->base.base.name);
> -       ret = drm_dp_update_payload_part1(&mstm->mgr);
> +       drm_dp_update_payload_part1(&mstm->mgr);
>
>         drm_for_each_encoder(encoder, mstm->outp->base.base.dev) {
>                 if (encoder->encoder_type == DRM_MODE_ENCODER_DPMST) {
> --
> 2.27.0
>
> _______________________________________________
> Nouveau mailing list
> Nouveau@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/nouveau

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