drivers/net: Remove alloc_etherdev error messages

alloc_etherdev has a generic OOM/unable to alloc message.
Remove the duplicative messages after alloc_etherdev calls.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/ethernet/korina.c b/drivers/net/ethernet/korina.c
index 341d101..f30db1c 100644
--- a/drivers/net/ethernet/korina.c
+++ b/drivers/net/ethernet/korina.c
@@ -1108,10 +1108,9 @@
 	int rc;
 
 	dev = alloc_etherdev(sizeof(struct korina_private));
-	if (!dev) {
-		printk(KERN_ERR DRV_NAME ": alloc_etherdev failed\n");
+	if (!dev)
 		return -ENOMEM;
-	}
+
 	SET_NETDEV_DEV(dev, &pdev->dev);
 	lp = netdev_priv(dev);