187  * @tx_desc:    iser tx descriptor
196 				 struct iser_tx_desc *tx_desc)  in iser_initialize_task_headers()  argument
206 	dma_addr = ib_dma_map_single(device->ib_device, (void *)tx_desc,  in iser_initialize_task_headers()
211 	tx_desc->inv_wr.next = NULL;  in iser_initialize_task_headers()
212 	tx_desc->reg_wr.wr.next = NULL;  in iser_initialize_task_headers()
213 	tx_desc->mapped = true;  in iser_initialize_task_headers()
214 	tx_desc->dma_addr = dma_addr;  in iser_initialize_task_headers()
215 	tx_desc->tx_sg[0].addr   = tx_desc->dma_addr;  in iser_initialize_task_headers()
216 	tx_desc->tx_sg[0].length = ISER_HEADERS_LEN;  in iser_initialize_task_headers()
217 	tx_desc->tx_sg[0].lkey   = device->pd->local_dma_lkey;  in iser_initialize_task_headers()
367 	struct iser_tx_desc *tx_desc = &iser_task->desc;  in iscsi_iser_cleanup_task()  local
375 	if (likely(tx_desc->mapped)) {  in iscsi_iser_cleanup_task()
376 		ib_dma_unmap_single(device->ib_device, tx_desc->dma_addr,  in iscsi_iser_cleanup_task()
378 		tx_desc->mapped = false;  in iscsi_iser_cleanup_task()