Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
[linux-2.6.git] / drivers / net / igb / igb_ethtool.c
index a6da32f..dafb25b 100644 (file)
@@ -739,7 +739,7 @@ static int igb_set_ringparam(struct net_device *netdev,
 {
        struct igb_adapter *adapter = netdev_priv(netdev);
        struct igb_ring *temp_ring;
-       int i, err;
+       int i, err = 0;
        u32 new_rx_count, new_tx_count;
 
        if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
@@ -759,18 +759,30 @@ static int igb_set_ringparam(struct net_device *netdev,
                return 0;
        }
 
+       while (test_and_set_bit(__IGB_RESETTING, &adapter->state))
+               msleep(1);
+
+       if (!netif_running(adapter->netdev)) {
+               for (i = 0; i < adapter->num_tx_queues; i++)
+                       adapter->tx_ring[i].count = new_tx_count;
+               for (i = 0; i < adapter->num_rx_queues; i++)
+                       adapter->rx_ring[i].count = new_rx_count;
+               adapter->tx_ring_count = new_tx_count;
+               adapter->rx_ring_count = new_rx_count;
+               goto clear_reset;
+       }
+
        if (adapter->num_tx_queues > adapter->num_rx_queues)
                temp_ring = vmalloc(adapter->num_tx_queues * sizeof(struct igb_ring));
        else
                temp_ring = vmalloc(adapter->num_rx_queues * sizeof(struct igb_ring));
-       if (!temp_ring)
-               return -ENOMEM;
 
-       while (test_and_set_bit(__IGB_RESETTING, &adapter->state))
-               msleep(1);
+       if (!temp_ring) {
+               err = -ENOMEM;
+               goto clear_reset;
+       }
 
-       if (netif_running(adapter->netdev))
-               igb_down(adapter);
+       igb_down(adapter);
 
        /*
         * We can't just free everything and then setup again,
@@ -827,14 +839,11 @@ static int igb_set_ringparam(struct net_device *netdev,
 
                adapter->rx_ring_count = new_rx_count;
        }
-
-       err = 0;
 err_setup:
-       if (netif_running(adapter->netdev))
-               igb_up(adapter);
-
-       clear_bit(__IGB_RESETTING, &adapter->state);
+       igb_up(adapter);
        vfree(temp_ring);
+clear_reset:
+       clear_bit(__IGB_RESETTING, &adapter->state);
        return err;
 }