drivers/gpu/drm/mediatek/mtk_drm_gem.c | 2 -- 1 file changed, 2 deletions(-)
From: Rob Clark <robdclark@chromium.org>
In the error path, mtk_drm_gem_object_mmap() is dropping an obj
reference that it doesn't own.
Fixes: 119f5173628a ("drm/mediatek: Add DRM Driver for Mediatek SoC MT8173.")
Signed-off-by: Rob Clark <robdclark@chromium.org>
---
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
Hi, Rob: Rob Clark <robdclark@gmail.com> 於 2023年1月20日 週五 上午7:12寫道: > > From: Rob Clark <robdclark@chromium.org> > > 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@chromium.org> > --- > 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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