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

From: Karol Herbst
Date: Mon Apr 19 2021 - 07:43:16 EST


On Fri, Apr 16, 2021 at 4:37 PM Lee Jones <lee.jones@xxxxxxxxxx> 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@xxxxxxxxxx>
> Cc: David Airlie <airlied@xxxxxxxx>
> Cc: Daniel Vetter <daniel@xxxxxxxx>
> Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
> Cc: nouveau@xxxxxxxxxxxxxxxxxxxxx
> Signed-off-by: Lee Jones <lee.jones@xxxxxxxxxx>
> ---
> 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
>
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