358 	struct vb2_dma_sg_attachment *attach;  in vb2_dma_sg_dmabuf_ops_attach()  local
365 	attach = kzalloc(sizeof(*attach), GFP_KERNEL);  in vb2_dma_sg_dmabuf_ops_attach()
366 	if (!attach)  in vb2_dma_sg_dmabuf_ops_attach()
369 	sgt = &attach->sgt;  in vb2_dma_sg_dmabuf_ops_attach()
375 		kfree(attach);  in vb2_dma_sg_dmabuf_ops_attach()
387 	attach->dma_dir = DMA_NONE;  in vb2_dma_sg_dmabuf_ops_attach()
388 	dbuf_attach->priv = attach;  in vb2_dma_sg_dmabuf_ops_attach()
396 	struct vb2_dma_sg_attachment *attach = db_attach->priv;  in vb2_dma_sg_dmabuf_ops_detach()  local
399 	if (!attach)  in vb2_dma_sg_dmabuf_ops_detach()
402 	sgt = &attach->sgt;  in vb2_dma_sg_dmabuf_ops_detach()
405 	if (attach->dma_dir != DMA_NONE)  in vb2_dma_sg_dmabuf_ops_detach()
406 		dma_unmap_sgtable(db_attach->dev, sgt, attach->dma_dir, 0);  in vb2_dma_sg_dmabuf_ops_detach()
408 	kfree(attach);  in vb2_dma_sg_dmabuf_ops_detach()
415 	struct vb2_dma_sg_attachment *attach = db_attach->priv;  in vb2_dma_sg_dmabuf_ops_map()  local
422 	sgt = &attach->sgt;  in vb2_dma_sg_dmabuf_ops_map()
424 	if (attach->dma_dir == dma_dir) {  in vb2_dma_sg_dmabuf_ops_map()
430 	if (attach->dma_dir != DMA_NONE) {  in vb2_dma_sg_dmabuf_ops_map()
431 		dma_unmap_sgtable(db_attach->dev, sgt, attach->dma_dir, 0);  in vb2_dma_sg_dmabuf_ops_map()
432 		attach->dma_dir = DMA_NONE;  in vb2_dma_sg_dmabuf_ops_map()
442 	attach->dma_dir = dma_dir;  in vb2_dma_sg_dmabuf_ops_map()
497 	.attach = vb2_dma_sg_dmabuf_ops_attach,
621 		pr_err("failed to attach dmabuf\n");  in vb2_dma_sg_attach_dmabuf()