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Commit b8b166db authored by Rob Clark's avatar Rob Clark Committed by Greg Kroah-Hartman
Browse files

drm/mediatek: Drop unbalanced obj unref 



[ Upstream commit 4deef811828e87e26a978d5d6433b261d4713849 ]

In the error path, mtk_drm_gem_object_mmap() is dropping an obj
reference that it doesn't own.

Fixes: 119f5173 ("drm/mediatek: Add DRM Driver for Mediatek SoC MT8173.")
Signed-off-by: default avatarRob Clark <robdclark@chromium.org>
Link: https://patchwork.kernel.org/project/linux-mediatek/patch/20230119231255.2883365-1-robdclark@gmail.com/


Signed-off-by: default avatarChun-Kuang Hu <chunkuang.hu@kernel.org>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 367c80fb

drivers/gpu/drm/mediatek/mtk_drm_gem.c

+0 −2
Original line number Diff line number Diff line
@@ -142,8 +142,6 @@ 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;

}