Re: [PATCH] remove unused varialble "struct device *dev"

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On Tue, Jun 22, 2021 at 5:14 PM Cai Huoqing <caihuoqing@xxxxxxxxx> wrote:
>
> fix the warning- variable 'dev' set but not used
>

the patch title needs a prefix to indicate which subsystem it belongs
to. Check git log for examples.

With that fixed: Reviewed-by: Karol Herbst <kherbst@xxxxxxxxxx>

> Signed-off-by: Cai Huoqing <caihuoqing@xxxxxxxxx>
> ---
>  drivers/gpu/drm/nouveau/nouveau_bo.c | 4 ----
>  1 file changed, 4 deletions(-)
>
> diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c
> index 984721b..cb3ff4a 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_bo.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c
> @@ -1242,7 +1242,6 @@ vm_fault_t nouveau_ttm_fault_reserve_notify(struct ttm_buffer_object *bo)
>  {
>         struct ttm_tt *ttm_dma = (void *)ttm;
>         struct nouveau_drm *drm;
> -       struct device *dev;
>         bool slave = !!(ttm->page_flags & TTM_PAGE_FLAG_SG);
>
>         if (ttm_tt_is_populated(ttm))
> @@ -1255,7 +1254,6 @@ vm_fault_t nouveau_ttm_fault_reserve_notify(struct ttm_buffer_object *bo)
>         }
>
>         drm = nouveau_bdev(bdev);
> -       dev = drm->dev->dev;
>
>         return ttm_pool_alloc(&drm->ttm.bdev.pool, ttm, ctx);
>  }
> @@ -1265,14 +1263,12 @@ vm_fault_t nouveau_ttm_fault_reserve_notify(struct ttm_buffer_object *bo)
>                           struct ttm_tt *ttm)
>  {
>         struct nouveau_drm *drm;
> -       struct device *dev;
>         bool slave = !!(ttm->page_flags & TTM_PAGE_FLAG_SG);
>
>         if (slave)
>                 return;
>
>         drm = nouveau_bdev(bdev);
> -       dev = drm->dev->dev;
>
>         return ttm_pool_free(&drm->ttm.bdev.pool, ttm);
>  }
> --
> 1.8.3.1
>




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