35 	struct udl_drm_dmabuf_attachment *udl_attach;  in udl_attach_dma_buf()  local
40 	udl_attach = kzalloc(sizeof(*udl_attach), GFP_KERNEL);  in udl_attach_dma_buf()
41 	if (!udl_attach)  in udl_attach_dma_buf()
44 	udl_attach->dir = DMA_NONE;  in udl_attach_dma_buf()
45 	attach->priv = udl_attach;  in udl_attach_dma_buf()
53 	struct udl_drm_dmabuf_attachment *udl_attach = attach->priv;  in udl_detach_dma_buf()  local
56 	if (!udl_attach)  in udl_detach_dma_buf()
62 	sgt = &udl_attach->sgt;  in udl_detach_dma_buf()
64 	if (udl_attach->dir != DMA_NONE)  in udl_detach_dma_buf()
66 				udl_attach->dir);  in udl_detach_dma_buf()
69 	kfree(udl_attach);  in udl_detach_dma_buf()
76 	struct udl_drm_dmabuf_attachment *udl_attach = attach->priv;  in udl_map_dma_buf()  local
89 	if (udl_attach->dir == dir && udl_attach->is_mapped)  in udl_map_dma_buf()
90 		return &udl_attach->sgt;  in udl_map_dma_buf()
107 	sgt = &udl_attach->sgt;  in udl_map_dma_buf()
135 	udl_attach->is_mapped = true;  in udl_map_dma_buf()
136 	udl_attach->dir = dir;  in udl_map_dma_buf()
137 	attach->priv = udl_attach;  in udl_map_dma_buf()