[E1000] IRQ registration fix

* Fixed IRQ registration bug; IRQ now registered after resources are
  acquired

drivers/net/e1000/e1000_main.c

@@ -252,13 +252,10 @@ e1000_up(struct e1000_adapter *adapter)
 {
 	struct net_device *netdev = adapter->netdev;
 
-	if(request_irq(netdev->irq, &e1000_intr, SA_SHIRQ | SA_SAMPLE_RANDOM,
-	               netdev->name, netdev))
-		return -1;
-
 	/* hardware has been reset, we need to reload some things */
 
 	e1000_set_multi(netdev);
+
 	e1000_restore_vlan(adapter);
 
 	e1000_configure_tx(adapter);
@@ -266,6 +263,14 @@ e1000_up(struct e1000_adapter *adapter)
 	e1000_configure_rx(adapter);
 	e1000_alloc_rx_buffers(adapter);
 
+	if(request_irq(netdev->irq, &e1000_intr, SA_SHIRQ | SA_SAMPLE_RANDOM,
+		       netdev->name, netdev)) {
+		e1000_reset_hw(&adapter->hw);
+		e1000_free_tx_resources(adapter);
+		e1000_free_rx_resources(adapter);
+		return -1;
+	}
+
 	mod_timer(&adapter->watchdog_timer, jiffies);
 	e1000_irq_enable(adapter);