igb: unused variable warning in igb remove

Wrap hw variable declaration in DCA flags to prevent unused variable
warning during compilation.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c
index 00e2e8d30ba2..2a5303c311bc 100644
--- a/drivers/net/igb/igb_main.c
+++ b/drivers/net/igb/igb_main.c
@@ -1360,7 +1360,9 @@ static void __devexit igb_remove(struct pci_dev *pdev)
 {
         struct net_device *netdev = pci_get_drvdata(pdev);
         struct igb_adapter *adapter = netdev_priv(netdev);
+#ifdef CONFIG_DCA
         struct e1000_hw *hw = &adapter->hw;
+#endif
 
         /* flush_scheduled work may reschedule our watchdog task, so
          * explicitly disable watchdog tasks from being rescheduled  */