51 			struct sg_table *sgt;  member
70 	struct sg_table *sgt;  member
203 	struct sg_table *sgt;  in dmabuf_pages_to_sgt()  local
206 	sgt = kmalloc(sizeof(*sgt), GFP_KERNEL);  in dmabuf_pages_to_sgt()
207 	if (!sgt) {  in dmabuf_pages_to_sgt()
212 	ret = sg_alloc_table_from_pages(sgt, pages, nr_pages, 0,  in dmabuf_pages_to_sgt()
218 	return sgt;  in dmabuf_pages_to_sgt()
221 	kfree(sgt);  in dmabuf_pages_to_sgt()
246 		struct sg_table *sgt = gntdev_dmabuf_attach->sgt;  in dmabuf_exp_ops_detach()  local
248 		if (sgt) {  in dmabuf_exp_ops_detach()
250 				dma_unmap_sgtable(attach->dev, sgt,  in dmabuf_exp_ops_detach()
253 			sg_free_table(sgt);  in dmabuf_exp_ops_detach()
256 		kfree(sgt);  in dmabuf_exp_ops_detach()
268 	struct sg_table *sgt;  in dmabuf_exp_ops_map_dma_buf()  local
278 		return gntdev_dmabuf_attach->sgt;  in dmabuf_exp_ops_map_dma_buf()
287 	sgt = dmabuf_pages_to_sgt(gntdev_dmabuf->pages,  in dmabuf_exp_ops_map_dma_buf()
289 	if (!IS_ERR(sgt)) {  in dmabuf_exp_ops_map_dma_buf()
290 		if (dma_map_sgtable(attach->dev, sgt, dir,  in dmabuf_exp_ops_map_dma_buf()
292 			sg_free_table(sgt);  in dmabuf_exp_ops_map_dma_buf()
293 			kfree(sgt);  in dmabuf_exp_ops_map_dma_buf()
294 			sgt = ERR_PTR(-ENOMEM);  in dmabuf_exp_ops_map_dma_buf()
296 			gntdev_dmabuf_attach->sgt = sgt;  in dmabuf_exp_ops_map_dma_buf()
300 	if (IS_ERR(sgt))  in dmabuf_exp_ops_map_dma_buf()
302 	return sgt;  in dmabuf_exp_ops_map_dma_buf()
306 					 struct sg_table *sgt,  in dmabuf_exp_ops_unmap_dma_buf()  argument
584 	struct sg_table *sgt;  in dmabuf_imp_to_refs()  local
609 	sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL);  in dmabuf_imp_to_refs()
610 	if (IS_ERR(sgt)) {  in dmabuf_imp_to_refs()
611 		ret = ERR_CAST(sgt);  in dmabuf_imp_to_refs()
616 	if (sgt->sgl->offset) {  in dmabuf_imp_to_refs()
619 			 sgt->sgl->offset);  in dmabuf_imp_to_refs()
631 	gntdev_dmabuf->u.imp.sgt = sgt;  in dmabuf_imp_to_refs()
635 	for_each_sgtable_page(sgt, &sg_iter, 0) {  in dmabuf_imp_to_refs()
667 	dma_buf_unmap_attachment(attach, sgt, DMA_BIDIRECTIONAL);  in dmabuf_imp_to_refs()
716 	if (gntdev_dmabuf->u.imp.sgt)  in dmabuf_imp_release()
717 		dma_buf_unmap_attachment(attach, gntdev_dmabuf->u.imp.sgt,  in dmabuf_imp_release()