52 			struct sg_table *sgt;  member
71 	struct sg_table *sgt;  member
204 	struct sg_table *sgt;  in dmabuf_pages_to_sgt()  local
207 	sgt = kmalloc(sizeof(*sgt), GFP_KERNEL);  in dmabuf_pages_to_sgt()
208 	if (!sgt) {  in dmabuf_pages_to_sgt()
213 	ret = sg_alloc_table_from_pages(sgt, pages, nr_pages, 0,  in dmabuf_pages_to_sgt()
219 	return sgt;  in dmabuf_pages_to_sgt()
222 	kfree(sgt);  in dmabuf_pages_to_sgt()
247 		struct sg_table *sgt = gntdev_dmabuf_attach->sgt;  in dmabuf_exp_ops_detach()  local
249 		if (sgt) {  in dmabuf_exp_ops_detach()
251 				dma_unmap_sgtable(attach->dev, sgt,  in dmabuf_exp_ops_detach()
254 			sg_free_table(sgt);  in dmabuf_exp_ops_detach()
257 		kfree(sgt);  in dmabuf_exp_ops_detach()
269 	struct sg_table *sgt;  in dmabuf_exp_ops_map_dma_buf()  local
279 		return gntdev_dmabuf_attach->sgt;  in dmabuf_exp_ops_map_dma_buf()
288 	sgt = dmabuf_pages_to_sgt(gntdev_dmabuf->pages,  in dmabuf_exp_ops_map_dma_buf()
290 	if (!IS_ERR(sgt)) {  in dmabuf_exp_ops_map_dma_buf()
291 		if (dma_map_sgtable(attach->dev, sgt, dir,  in dmabuf_exp_ops_map_dma_buf()
293 			sg_free_table(sgt);  in dmabuf_exp_ops_map_dma_buf()
294 			kfree(sgt);  in dmabuf_exp_ops_map_dma_buf()
295 			sgt = ERR_PTR(-ENOMEM);  in dmabuf_exp_ops_map_dma_buf()
297 			gntdev_dmabuf_attach->sgt = sgt;  in dmabuf_exp_ops_map_dma_buf()
301 	if (IS_ERR(sgt))  in dmabuf_exp_ops_map_dma_buf()
303 	return sgt;  in dmabuf_exp_ops_map_dma_buf()
307 					 struct sg_table *sgt,  in dmabuf_exp_ops_unmap_dma_buf()  argument
578 	struct sg_table *sgt;  in dmabuf_imp_to_refs()  local
604 	sgt = dma_buf_map_attachment(attach, DMA_BIDIRECTIONAL);  in dmabuf_imp_to_refs()
605 	if (IS_ERR(sgt)) {  in dmabuf_imp_to_refs()
606 		ret = ERR_CAST(sgt);  in dmabuf_imp_to_refs()
611 	if (sgt->sgl->offset) {  in dmabuf_imp_to_refs()
614 			 sgt->sgl->offset);  in dmabuf_imp_to_refs()
626 	gntdev_dmabuf->u.imp.sgt = sgt;  in dmabuf_imp_to_refs()
642 	for_each_sgtable_dma_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()