e1000: e1000_adapter->polling_netdev is useless

Commit bea3348eef27e6044b6161fd04c3152215f96411
"[NET]: Make NAPI polling independent of struct net_device objects."
made NAPI polling to be independent of net_device.
So e1000_adapter->polling_netdev is no longer used.
Kill it.

Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 1 insertions, 27 deletions

diff --git a/drivers/net/e1000/e1000.h b/drivers/net/e1000/e1000.h
index 62f62970f978..f5581de04757 100644
--- a/drivers/net/e1000/e1000.h
+++ b/drivers/net/e1000/e1000.h
@@ -284,7 +284,6 @@ struct e1000_adapter {
                              int cleaned_count);
         struct e1000_rx_ring *rx_ring;      /* One per active queue */
         struct napi_struct napi;
-        struct net_device *polling_netdev;  /* One per active queue */
 
         int num_tx_queues;
         int num_rx_queues;
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 6494d245d156..116c96e0b119 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -1242,12 +1242,8 @@ err_eeprom:
         if (hw->flash_address)
                 iounmap(hw->flash_address);
 err_flashmap:
-        for (i = 0; i < adapter->num_rx_queues; i++)
-                dev_put(&adapter->polling_netdev[i]);
-
         kfree(adapter->tx_ring);
         kfree(adapter->rx_ring);
-        kfree(adapter->polling_netdev);
 err_sw_init:
         iounmap(hw->hw_addr);
 err_ioremap:
@@ -1275,7 +1271,6 @@ static void __devexit e1000_remove(struct pci_dev *pdev)
         struct net_device *netdev = pci_get_drvdata(pdev);
         struct e1000_adapter *adapter = netdev_priv(netdev);
         struct e1000_hw *hw = &adapter->hw;
-        int i;
 
         cancel_work_sync(&adapter->reset_task);
 
@@ -1285,9 +1280,6 @@ static void __devexit e1000_remove(struct pci_dev *pdev)
          * would have already happened in close and is redundant. */
         e1000_release_hw_control(adapter);
 
-        for (i = 0; i < adapter->num_rx_queues; i++)
-                dev_put(&adapter->polling_netdev[i]);
-
         unregister_netdev(netdev);
 
         if (!e1000_check_phy_reset_block(hw))
@@ -1295,7 +1287,6 @@ static void __devexit e1000_remove(struct pci_dev *pdev)
 
         kfree(adapter->tx_ring);
         kfree(adapter->rx_ring);
-        kfree(adapter->polling_netdev);
 
         iounmap(hw->hw_addr);
         if (hw->flash_address)
@@ -1321,7 +1312,6 @@ static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
         struct e1000_hw *hw = &adapter->hw;
         struct net_device *netdev = adapter->netdev;
         struct pci_dev *pdev = adapter->pdev;
-        int i;
 
         /* PCI config space info */
 
@@ -1378,11 +1368,6 @@ static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
                 return -ENOMEM;
         }
 
-        for (i = 0; i < adapter->num_rx_queues; i++) {
-                adapter->polling_netdev[i].priv = adapter;
-                dev_hold(&adapter->polling_netdev[i]);
-                set_bit(__LINK_STATE_START, &adapter->polling_netdev[i].state);
-        }
         spin_lock_init(&adapter->tx_queue_lock);
 
         /* Explicitly disable IRQ since the NIC can be in any state. */
@@ -1400,8 +1385,7 @@ static int __devinit e1000_sw_init(struct e1000_adapter *adapter)
  * @adapter: board private structure to initialize
  *
  * We allocate one ring per queue at run-time since we don't know the
- * number of queues at compile-time.  The polling_netdev array is
- * intended for Multiqueue, but should work fine with a single queue.
+ * number of queues at compile-time.
  **/
 
 static int __devinit e1000_alloc_queues(struct e1000_adapter *adapter)
@@ -1418,15 +1402,6 @@ static int __devinit e1000_alloc_queues(struct e1000_adapter *adapter)
                 return -ENOMEM;
         }
 
-        adapter->polling_netdev = kcalloc(adapter->num_rx_queues,
-                                          sizeof(struct net_device),
-                                          GFP_KERNEL);
-        if (!adapter->polling_netdev) {
-                kfree(adapter->tx_ring);
-                kfree(adapter->rx_ring);
-                return -ENOMEM;
-        }
-
         return E1000_SUCCESS;
 }