218 	struct vb2_dc_attachment *attach;  in vb2_dc_dmabuf_ops_attach()  local
225 	attach = kzalloc(sizeof(*attach), GFP_KERNEL);  in vb2_dc_dmabuf_ops_attach()
226 	if (!attach)  in vb2_dc_dmabuf_ops_attach()
229 	sgt = &attach->sgt;  in vb2_dc_dmabuf_ops_attach()
235 		kfree(attach);  in vb2_dc_dmabuf_ops_attach()
247 	attach->dma_dir = DMA_NONE;  in vb2_dc_dmabuf_ops_attach()
248 	dbuf_attach->priv = attach;  in vb2_dc_dmabuf_ops_attach()
256 	struct vb2_dc_attachment *attach = db_attach->priv;  in vb2_dc_dmabuf_ops_detach()  local
259 	if (!attach)  in vb2_dc_dmabuf_ops_detach()
262 	sgt = &attach->sgt;  in vb2_dc_dmabuf_ops_detach()
265 	if (attach->dma_dir != DMA_NONE)  in vb2_dc_dmabuf_ops_detach()
272 		dma_unmap_sgtable(db_attach->dev, sgt, attach->dma_dir,  in vb2_dc_dmabuf_ops_detach()
275 	kfree(attach);  in vb2_dc_dmabuf_ops_detach()
282 	struct vb2_dc_attachment *attach = db_attach->priv;  in vb2_dc_dmabuf_ops_map()  local
289 	sgt = &attach->sgt;  in vb2_dc_dmabuf_ops_map()
291 	if (attach->dma_dir == dma_dir) {  in vb2_dc_dmabuf_ops_map()
297 	if (attach->dma_dir != DMA_NONE) {  in vb2_dc_dmabuf_ops_map()
298 		dma_unmap_sgtable(db_attach->dev, sgt, attach->dma_dir,  in vb2_dc_dmabuf_ops_map()
300 		attach->dma_dir = DMA_NONE;  in vb2_dc_dmabuf_ops_map()
314 	attach->dma_dir = dma_dir;  in vb2_dc_dmabuf_ops_map()
361 	.attach = vb2_dc_dmabuf_ops_attach,
676 		pr_err("failed to attach dmabuf\n");  in vb2_dc_attach_dmabuf()