362 	struct vb2_dma_sg_attachment *attach;  in vb2_dma_sg_dmabuf_ops_attach()  local
369 	attach = kzalloc(sizeof(*attach), GFP_KERNEL);  in vb2_dma_sg_dmabuf_ops_attach()
370 	if (!attach)  in vb2_dma_sg_dmabuf_ops_attach()
373 	sgt = &attach->sgt;  in vb2_dma_sg_dmabuf_ops_attach()
379 		kfree(attach);  in vb2_dma_sg_dmabuf_ops_attach()
391 	attach->dma_dir = DMA_NONE;  in vb2_dma_sg_dmabuf_ops_attach()
392 	dbuf_attach->priv = attach;  in vb2_dma_sg_dmabuf_ops_attach()
400 	struct vb2_dma_sg_attachment *attach = db_attach->priv;  in vb2_dma_sg_dmabuf_ops_detach()  local
403 	if (!attach)  in vb2_dma_sg_dmabuf_ops_detach()
406 	sgt = &attach->sgt;  in vb2_dma_sg_dmabuf_ops_detach()
409 	if (attach->dma_dir != DMA_NONE)  in vb2_dma_sg_dmabuf_ops_detach()
410 		dma_unmap_sgtable(db_attach->dev, sgt, attach->dma_dir, 0);  in vb2_dma_sg_dmabuf_ops_detach()
412 	kfree(attach);  in vb2_dma_sg_dmabuf_ops_detach()
419 	struct vb2_dma_sg_attachment *attach = db_attach->priv;  in vb2_dma_sg_dmabuf_ops_map()  local
426 	sgt = &attach->sgt;  in vb2_dma_sg_dmabuf_ops_map()
428 	if (attach->dma_dir == dma_dir) {  in vb2_dma_sg_dmabuf_ops_map()
434 	if (attach->dma_dir != DMA_NONE) {  in vb2_dma_sg_dmabuf_ops_map()
435 		dma_unmap_sgtable(db_attach->dev, sgt, attach->dma_dir, 0);  in vb2_dma_sg_dmabuf_ops_map()
436 		attach->dma_dir = DMA_NONE;  in vb2_dma_sg_dmabuf_ops_map()
446 	attach->dma_dir = dma_dir;  in vb2_dma_sg_dmabuf_ops_map()
503 	.attach = vb2_dma_sg_dmabuf_ops_attach,
628 		pr_err("failed to attach dmabuf\n");  in vb2_dma_sg_attach_dmabuf()