forcedeth: fixed missing call in napi poll

The napi poll routine was missing the call to the optimized rx process
routine. This patch adds the missing call for the optimized path.
Signed-Off-By: NAyaz Abdulla <aabdulla@nvidia.com>
Signed-off-by: NJeff Garzik <jeff@garzik.org>

drivers/net/forcedeth.c

@@ -3104,13 +3104,17 @@ static int nv_napi_poll(struct net_device *dev, int *budget)
 	struct fe_priv *np = netdev_priv(dev);
 	u8 __iomem *base = get_hwbase(dev);
 	unsigned long flags;
+	int retcode;
 
-	if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2)
+	if (np->desc_ver == DESC_VER_1 || np->desc_ver == DESC_VER_2) {
 		pkts = nv_rx_process(dev, limit);
-	else
+		retcode = nv_alloc_rx(dev);
+	} else {
 		pkts = nv_rx_process_optimized(dev, limit);
+		retcode = nv_alloc_rx_optimized(dev);
+	}
 
-	if (nv_alloc_rx(dev)) {
+	if (retcode) {
 		spin_lock_irqsave(&np->lock, flags);
 		if (!np->in_shutdown)
 			mod_timer(&np->oom_kick, jiffies + OOM_REFILL);