371 	struct vb2_dma_sg_attachment *attach;  in vb2_dma_sg_dmabuf_ops_attach()  local
378 	attach = kzalloc(sizeof(*attach), GFP_KERNEL);  in vb2_dma_sg_dmabuf_ops_attach()
379 	if (!attach)  in vb2_dma_sg_dmabuf_ops_attach()
382 	sgt = &attach->sgt;  in vb2_dma_sg_dmabuf_ops_attach()
388 		kfree(attach);  in vb2_dma_sg_dmabuf_ops_attach()
400 	attach->dma_dir = DMA_NONE;  in vb2_dma_sg_dmabuf_ops_attach()
401 	dbuf_attach->priv = attach;  in vb2_dma_sg_dmabuf_ops_attach()
409 	struct vb2_dma_sg_attachment *attach = db_attach->priv;  in vb2_dma_sg_dmabuf_ops_detach()  local
412 	if (!attach)  in vb2_dma_sg_dmabuf_ops_detach()
415 	sgt = &attach->sgt;  in vb2_dma_sg_dmabuf_ops_detach()
418 	if (attach->dma_dir != DMA_NONE)  in vb2_dma_sg_dmabuf_ops_detach()
419 		dma_unmap_sgtable(db_attach->dev, sgt, attach->dma_dir, 0);  in vb2_dma_sg_dmabuf_ops_detach()
421 	kfree(attach);  in vb2_dma_sg_dmabuf_ops_detach()
428 	struct vb2_dma_sg_attachment *attach = db_attach->priv;  in vb2_dma_sg_dmabuf_ops_map()  local
431 	sgt = &attach->sgt;  in vb2_dma_sg_dmabuf_ops_map()
433 	if (attach->dma_dir == dma_dir)  in vb2_dma_sg_dmabuf_ops_map()
437 	if (attach->dma_dir != DMA_NONE) {  in vb2_dma_sg_dmabuf_ops_map()
438 		dma_unmap_sgtable(db_attach->dev, sgt, attach->dma_dir, 0);  in vb2_dma_sg_dmabuf_ops_map()
439 		attach->dma_dir = DMA_NONE;  in vb2_dma_sg_dmabuf_ops_map()
448 	attach->dma_dir = dma_dir;  in vb2_dma_sg_dmabuf_ops_map()
510 	.attach = vb2_dma_sg_dmabuf_ops_attach,
637 		pr_err("failed to attach dmabuf\n");  in vb2_dma_sg_attach_dmabuf()