qlcnic: Clear link status when interface is down

o When interface is down, mailbox command to get context statistics
  fails. So restrict driver from issuing get statistics command when
  interface is down.

Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index d980723b7184b6449afcccd439a7ac9dccade02f..d8b9e3b3c4a937b4a696d6f6d077bd96b9a78afc 100644 (file)
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -1412,6 +1412,7 @@ void __qlcnic_down(struct qlcnic_adapter *adapter, struct net_device *netdev)
        smp_mb();
        spin_lock(&adapter->tx_clean_lock);
        netif_carrier_off(netdev);
+       adapter->ahw->linkup = 0;
        netif_tx_disable(netdev);
 
        qlcnic_free_mac_list(adapter);