308 	slot = next_slot(ring, ring->current_slot);  in request_slot()
309 	ring->current_slot = slot;  in request_slot()
866 		ring->current_slot = -1;  in b43_setup_dmaring()
1209 	old_top_slot = ring->current_slot;  in dma_tx_fragment()
1222 		ring->current_slot = old_top_slot;  in dma_tx_fragment()
1230 		ring->current_slot = old_top_slot;  in dma_tx_fragment()
1252 			ring->current_slot = old_top_slot;  in dma_tx_fragment()
1262 			ring->current_slot = old_top_slot;  in dma_tx_fragment()
1435 	firstused = ring->current_slot - ring->used_slots + 1;  in b43_dma_handle_txstatus()
1670 	int current_slot, previous_slot;  in b43_dma_handle_rx_overflow()  local
1682 	current_slot = ring->ops->get_current_rxslot(ring);  in b43_dma_handle_rx_overflow()
1683 	previous_slot = prev_slot(ring, current_slot);  in b43_dma_handle_rx_overflow()
1690 	int slot, current_slot;  in b43_dma_rx()  local
1694 	current_slot = ops->get_current_rxslot(ring);  in b43_dma_rx()
1695 	B43_WARN_ON(!(current_slot >= 0 && current_slot < ring->nr_slots));  in b43_dma_rx()
1697 	slot = ring->current_slot;  in b43_dma_rx()
1698 	for (; slot != current_slot; slot = next_slot(ring, slot)) {  in b43_dma_rx()
1704 	ring->current_slot = slot;  in b43_dma_rx()