24 	struct udl_drm_dmabuf_attachment *udl_attach;  in udl_attach_dma_buf()  local
29 	udl_attach = kzalloc(sizeof(*udl_attach), GFP_KERNEL);  in udl_attach_dma_buf()
30 	if (!udl_attach)  in udl_attach_dma_buf()
33 	udl_attach->dir = DMA_NONE;  in udl_attach_dma_buf()
34 	attach->priv = udl_attach;  in udl_attach_dma_buf()
42 	struct udl_drm_dmabuf_attachment *udl_attach = attach->priv;  in udl_detach_dma_buf()  local
45 	if (!udl_attach)  in udl_detach_dma_buf()
51 	sgt = &udl_attach->sgt;  in udl_detach_dma_buf()
53 	if (udl_attach->dir != DMA_NONE)  in udl_detach_dma_buf()
55 				udl_attach->dir);  in udl_detach_dma_buf()
58 	kfree(udl_attach);  in udl_detach_dma_buf()
65 	struct udl_drm_dmabuf_attachment *udl_attach = attach->priv;  in udl_map_dma_buf()  local
79 	if (udl_attach->dir == dir && udl_attach->is_mapped)  in udl_map_dma_buf()
80 		return &udl_attach->sgt;  in udl_map_dma_buf()
97 	sgt = &udl_attach->sgt;  in udl_map_dma_buf()
125 	udl_attach->is_mapped = true;  in udl_map_dma_buf()
126 	udl_attach->dir = dir;  in udl_map_dma_buf()
127 	attach->priv = udl_attach;  in udl_map_dma_buf()