forcedeth: fix missing napi enable/disable calls

This patch adds missing napi enable/disable calls.
Signed-off-by: Ayaz Abdulla <aabdulla@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/forcedeth.c

@@ -1069,6 +1069,24 @@ static void nv_disable_hw_interrupts(struct net_device *dev, u32 mask)
 	}
 }
 
+static void nv_napi_enable(struct net_device *dev)
+{
+#ifdef CONFIG_FORCEDETH_NAPI
+	struct fe_priv *np = get_nvpriv(dev);
+
+	napi_enable(&np->napi);
+#endif
+}
+
+static void nv_napi_disable(struct net_device *dev)
+{
+#ifdef CONFIG_FORCEDETH_NAPI
+	struct fe_priv *np = get_nvpriv(dev);
+
+	napi_disable(&np->napi);
+#endif
+}
+
 #define MII_READ	(-1)
 /* mii_rw: read/write a register on the PHY.
  *
@@ -2924,6 +2942,7 @@ static int nv_change_mtu(struct net_device *dev, int new_mtu)
 		 * Changing the MTU is a rare event, it shouldn't matter.
 		 */
 		nv_disable_irq(dev);
+		nv_napi_disable(dev);
 		netif_tx_lock_bh(dev);
 		netif_addr_lock(dev);
 		spin_lock(&np->lock);
@@ -2952,6 +2971,7 @@ static int nv_change_mtu(struct net_device *dev, int new_mtu)
 		spin_unlock(&np->lock);
 		netif_addr_unlock(dev);
 		netif_tx_unlock_bh(dev);
+		nv_napi_enable(dev);
 		nv_enable_irq(dev);
 	}
 	return 0;
@@ -4592,6 +4612,7 @@ static int nv_set_ringparam(struct net_device *dev, struct ethtool_ringparam* ri
 
 	if (netif_running(dev)) {
 		nv_disable_irq(dev);
+		nv_napi_disable(dev);
 		netif_tx_lock_bh(dev);
 		netif_addr_lock(dev);
 		spin_lock(&np->lock);
@@ -4644,6 +4665,7 @@ static int nv_set_ringparam(struct net_device *dev, struct ethtool_ringparam* ri
 		spin_unlock(&np->lock);
 		netif_addr_unlock(dev);
 		netif_tx_unlock_bh(dev);
+		nv_napi_enable(dev);
 		nv_enable_irq(dev);
 	}
 	return 0;
@@ -5070,9 +5092,7 @@ static void nv_self_test(struct net_device *dev, struct ethtool_test *test, u64
 	if (test->flags & ETH_TEST_FL_OFFLINE) {
 		if (netif_running(dev)) {
 			netif_stop_queue(dev);
-#ifdef CONFIG_FORCEDETH_NAPI
-			napi_disable(&np->napi);
-#endif
+			nv_napi_disable(dev);
 			netif_tx_lock_bh(dev);
 			netif_addr_lock(dev);
 			spin_lock_irq(&np->lock);
@@ -5130,9 +5150,7 @@ static void nv_self_test(struct net_device *dev, struct ethtool_test *test, u64
 			/* restart rx engine */
 			nv_start_rxtx(dev);
 			netif_start_queue(dev);
-#ifdef CONFIG_FORCEDETH_NAPI
-			napi_enable(&np->napi);
-#endif
+			nv_napi_enable(dev);
 			nv_enable_hw_interrupts(dev, np->irqmask);
 		}
 	}
@@ -5424,9 +5442,7 @@ static int nv_open(struct net_device *dev)
 	ret = nv_update_linkspeed(dev);
 	nv_start_rxtx(dev);
 	netif_start_queue(dev);
-#ifdef CONFIG_FORCEDETH_NAPI
-	napi_enable(&np->napi);
-#endif
+	nv_napi_enable(dev);
 
 	if (ret) {
 		netif_carrier_on(dev);
@@ -5458,9 +5474,7 @@ static int nv_close(struct net_device *dev)
 	spin_lock_irq(&np->lock);
 	np->in_shutdown = 1;
 	spin_unlock_irq(&np->lock);
-#ifdef CONFIG_FORCEDETH_NAPI
-	napi_disable(&np->napi);
-#endif
+	nv_napi_disable(dev);
 	synchronize_irq(np->pci_dev->irq);
 
 	del_timer_sync(&np->oom_kick);