769 static void mangle_sg_table(struct sg_table *sg_table)  in mangle_sg_table()  argument
779 	for_each_sgtable_sg(sg_table, sg, i)  in mangle_sg_table()
784 static struct sg_table * __map_dma_buf(struct dma_buf_attachment *attach,  in __map_dma_buf()
787 	struct sg_table *sg_table;  in __map_dma_buf()  local
790 	sg_table = attach->dmabuf->ops->map_dma_buf(attach, direction);  in __map_dma_buf()
791 	if (IS_ERR_OR_NULL(sg_table))  in __map_dma_buf()
792 		return sg_table;  in __map_dma_buf()
799 			attach->dmabuf->ops->unmap_dma_buf(attach, sg_table,  in __map_dma_buf()
805 	mangle_sg_table(sg_table);  in __map_dma_buf()
806 	return sg_table;  in __map_dma_buf()
871 		struct sg_table *sgt;  in dma_buf_dynamic_attach()
928 			    struct sg_table *sg_table,  in __unmap_dma_buf()  argument
932 	mangle_sg_table(sg_table);  in __unmap_dma_buf()
934 	attach->dmabuf->ops->unmap_dma_buf(attach, sg_table, direction);  in __unmap_dma_buf()
1045 struct sg_table *dma_buf_map_attachment(struct dma_buf_attachment *attach,  in dma_buf_map_attachment()
1048 	struct sg_table *sg_table;  in dma_buf_map_attachment()  local
1080 	sg_table = __map_dma_buf(attach, direction);  in dma_buf_map_attachment()
1081 	if (!sg_table)  in dma_buf_map_attachment()
1082 		sg_table = ERR_PTR(-ENOMEM);  in dma_buf_map_attachment()
1084 	if (IS_ERR(sg_table) && dma_buf_is_dynamic(attach->dmabuf) &&  in dma_buf_map_attachment()
1088 	if (!IS_ERR(sg_table) && attach->dmabuf->ops->cache_sgt_mapping) {  in dma_buf_map_attachment()
1089 		attach->sgt = sg_table;  in dma_buf_map_attachment()
1094 	if (!IS_ERR(sg_table)) {  in dma_buf_map_attachment()
1100 		for_each_sgtable_dma_sg(sg_table, sg, i) {  in dma_buf_map_attachment()
1110 	return sg_table;  in dma_buf_map_attachment()
1125 				struct sg_table *sg_table,  in dma_buf_unmap_attachment()  argument
1130 	if (WARN_ON(!attach || !attach->dmabuf || !sg_table))  in dma_buf_unmap_attachment()
1136 	if (attach->sgt == sg_table)  in dma_buf_unmap_attachment()
1142 	__unmap_dma_buf(attach, sg_table, direction);  in dma_buf_unmap_attachment()