715 		struct sg_table *sgt;  in dma_buf_dynamic_attach()
859 struct sg_table *dma_buf_map_attachment(struct dma_buf_attachment *attach,  in dma_buf_map_attachment()
862 	struct sg_table *sg_table;  in dma_buf_map_attachment()  local
894 	sg_table = attach->dmabuf->ops->map_dma_buf(attach, direction);  in dma_buf_map_attachment()
895 	if (!sg_table)  in dma_buf_map_attachment()
896 		sg_table = ERR_PTR(-ENOMEM);  in dma_buf_map_attachment()
898 	if (IS_ERR(sg_table) && dma_buf_is_dynamic(attach->dmabuf) &&  in dma_buf_map_attachment()
902 	if (!IS_ERR(sg_table) && attach->dmabuf->ops->cache_sgt_mapping) {  in dma_buf_map_attachment()
903 		attach->sgt = sg_table;  in dma_buf_map_attachment()
907 	return sg_table;  in dma_buf_map_attachment()
922 				struct sg_table *sg_table,  in dma_buf_unmap_attachment()  argument
927 	if (WARN_ON(!attach || !attach->dmabuf || !sg_table))  in dma_buf_unmap_attachment()
933 	if (attach->sgt == sg_table)  in dma_buf_unmap_attachment()
939 	attach->dmabuf->ops->unmap_dma_buf(attach, sg_table, direction);  in dma_buf_unmap_attachment()