684 static void mangle_sg_table(struct sg_table *sg_table)  in mangle_sg_table()  argument
694 	for_each_sgtable_sg(sg_table, sg, i)  in mangle_sg_table()
699 static struct sg_table * __map_dma_buf(struct dma_buf_attachment *attach,  in __map_dma_buf()
702 	struct sg_table *sg_table;  in __map_dma_buf()  local
704 	sg_table = attach->dmabuf->ops->map_dma_buf(attach, direction);  in __map_dma_buf()
706 	if (!IS_ERR_OR_NULL(sg_table))  in __map_dma_buf()
707 		mangle_sg_table(sg_table);  in __map_dma_buf()
709 	return sg_table;  in __map_dma_buf()
774 		struct sg_table *sgt;  in dma_buf_dynamic_attach()
831 			    struct sg_table *sg_table,  in __unmap_dma_buf()  argument
835 	mangle_sg_table(sg_table);  in __unmap_dma_buf()
837 	attach->dmabuf->ops->unmap_dma_buf(attach, sg_table, direction);  in __unmap_dma_buf()
948 struct sg_table *dma_buf_map_attachment(struct dma_buf_attachment *attach,  in dma_buf_map_attachment()
951 	struct sg_table *sg_table;  in dma_buf_map_attachment()  local
983 	sg_table = __map_dma_buf(attach, direction);  in dma_buf_map_attachment()
984 	if (!sg_table)  in dma_buf_map_attachment()
985 		sg_table = ERR_PTR(-ENOMEM);  in dma_buf_map_attachment()
987 	if (IS_ERR(sg_table) && dma_buf_is_dynamic(attach->dmabuf) &&  in dma_buf_map_attachment()
991 	if (!IS_ERR(sg_table) && attach->dmabuf->ops->cache_sgt_mapping) {  in dma_buf_map_attachment()
992 		attach->sgt = sg_table;  in dma_buf_map_attachment()
997 	if (!IS_ERR(sg_table)) {  in dma_buf_map_attachment()
1003 		for_each_sgtable_dma_sg(sg_table, sg, i) {  in dma_buf_map_attachment()
1013 	return sg_table;  in dma_buf_map_attachment()
1028 				struct sg_table *sg_table,  in dma_buf_unmap_attachment()  argument
1033 	if (WARN_ON(!attach || !attach->dmabuf || !sg_table))  in dma_buf_unmap_attachment()
1039 	if (attach->sgt == sg_table)  in dma_buf_unmap_attachment()
1045 	__unmap_dma_buf(attach, sg_table, direction);  in dma_buf_unmap_attachment()