Re: [PATCH] drm/mediatek: Drop unbalanced obj unref

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Hi, Rob:

Rob Clark <robdclark@xxxxxxxxx> 於 2023年1月20日 週五 上午7:12寫道:
>
> From: Rob Clark <robdclark@xxxxxxxxxxxx>
>
> In the error path, mtk_drm_gem_object_mmap() is dropping an obj
> reference that it doesn't own.

Applied to mediatek-drm-next [1], thanks.

[1] https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux.git/log/?h=mediatek-drm-next

Regards,
Chun-Kuang.

>
> Fixes: 119f5173628a ("drm/mediatek: Add DRM Driver for Mediatek SoC MT8173.")
> Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx>
> ---
>  drivers/gpu/drm/mediatek/mtk_drm_gem.c | 2 --
>  1 file changed, 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/mediatek/mtk_drm_gem.c b/drivers/gpu/drm/mediatek/mtk_drm_gem.c
> index 9b3d15d3a983..f961c7c7456b 100644
> --- a/drivers/gpu/drm/mediatek/mtk_drm_gem.c
> +++ b/drivers/gpu/drm/mediatek/mtk_drm_gem.c
> @@ -169,8 +169,6 @@ static int mtk_drm_gem_object_mmap(struct drm_gem_object *obj,
>
>         ret = dma_mmap_attrs(priv->dma_dev, vma, mtk_gem->cookie,
>                              mtk_gem->dma_addr, obj->size, mtk_gem->dma_attrs);
> -       if (ret)
> -               drm_gem_vm_close(vma);
>
>         return ret;
>  }
> --
> 2.38.1
>




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