35 	struct exynos_drm_dmabuf_attachment *exynos_attach;  in exynos_gem_attach_dma_buf()  local
37 	exynos_attach = kzalloc(sizeof(*exynos_attach), GFP_KERNEL);  in exynos_gem_attach_dma_buf()
38 	if (!exynos_attach)  in exynos_gem_attach_dma_buf()
41 	exynos_attach->dir = DMA_NONE;  in exynos_gem_attach_dma_buf()
42 	attach->priv = exynos_attach;  in exynos_gem_attach_dma_buf()
50 	struct exynos_drm_dmabuf_attachment *exynos_attach = attach->priv;  in exynos_gem_detach_dma_buf()  local
53 	if (!exynos_attach)  in exynos_gem_detach_dma_buf()
56 	sgt = &exynos_attach->sgt;  in exynos_gem_detach_dma_buf()
58 	if (exynos_attach->dir != DMA_NONE)  in exynos_gem_detach_dma_buf()
60 				exynos_attach->dir);  in exynos_gem_detach_dma_buf()
63 	kfree(exynos_attach);  in exynos_gem_detach_dma_buf()
71 	struct exynos_drm_dmabuf_attachment *exynos_attach = attach->priv;  in exynos_gem_map_dma_buf()  local
81 	if (exynos_attach->dir == dir && exynos_attach->is_mapped)  in exynos_gem_map_dma_buf()
82 		return &exynos_attach->sgt;  in exynos_gem_map_dma_buf()
90 	sgt = &exynos_attach->sgt;  in exynos_gem_map_dma_buf()
118 	exynos_attach->is_mapped = true;  in exynos_gem_map_dma_buf()
119 	exynos_attach->dir = dir;  in exynos_gem_map_dma_buf()
120 	attach->priv = exynos_attach;  in exynos_gem_map_dma_buf()