394 	struct vb2_cma_sg_attachment *attach;  in vb2_cma_sg_dmabuf_ops_attach()  local
401 	attach = kzalloc(sizeof(*attach), GFP_KERNEL);  in vb2_cma_sg_dmabuf_ops_attach()
402 	if (!attach)  in vb2_cma_sg_dmabuf_ops_attach()
405 	sgt = &attach->sgt;  in vb2_cma_sg_dmabuf_ops_attach()
411 		kfree(attach);  in vb2_cma_sg_dmabuf_ops_attach()
423 	attach->dma_dir = DMA_NONE;  in vb2_cma_sg_dmabuf_ops_attach()
424 	dbuf_attach->priv = attach;  in vb2_cma_sg_dmabuf_ops_attach()
432 	struct vb2_cma_sg_attachment *attach = db_attach->priv;  in vb2_cma_sg_dmabuf_ops_detach()  local
435 	if (!attach)  in vb2_cma_sg_dmabuf_ops_detach()
438 	sgt = &attach->sgt;  in vb2_cma_sg_dmabuf_ops_detach()
441 	if (attach->dma_dir != DMA_NONE)  in vb2_cma_sg_dmabuf_ops_detach()
442 		dma_unmap_sgtable(db_attach->dev, sgt, attach->dma_dir, 0);  in vb2_cma_sg_dmabuf_ops_detach()
444 	kfree(attach);  in vb2_cma_sg_dmabuf_ops_detach()
451 	struct vb2_cma_sg_attachment *attach = db_attach->priv;  in vb2_cma_sg_dmabuf_ops_map()  local
458 	sgt = &attach->sgt;  in vb2_cma_sg_dmabuf_ops_map()
460 	if (attach->dma_dir == dma_dir) {  in vb2_cma_sg_dmabuf_ops_map()
466 	if (attach->dma_dir != DMA_NONE) {  in vb2_cma_sg_dmabuf_ops_map()
467 		dma_unmap_sgtable(db_attach->dev, sgt, attach->dma_dir, 0);  in vb2_cma_sg_dmabuf_ops_map()
468 		attach->dma_dir = DMA_NONE;  in vb2_cma_sg_dmabuf_ops_map()
478 	attach->dma_dir = dma_dir;  in vb2_cma_sg_dmabuf_ops_map()
533 	.attach = vb2_cma_sg_dmabuf_ops_attach,
657 		pr_err("failed to attach dmabuf\n");  in vb2_cma_sg_attach_dmabuf()