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/wireless/atmel.c b/drivers/net/wireless/atmel.c
index 7e45ca2..3010cee 100644
--- a/drivers/net/wireless/atmel.c
+++ b/drivers/net/wireless/atmel.c
@@ -1533,10 +1533,9 @@
 
 	/* Create the network device object. */
 	dev = alloc_etherdev(sizeof(*priv));
-	if (!dev) {
-		printk(KERN_ERR "atmel: Couldn't alloc_etherdev\n");
+	if (!dev)
 		return NULL;
-	}
+
 	if (dev_alloc_name(dev, dev->name) < 0) {
 		printk(KERN_ERR "atmel: Couldn't get name!\n");
 		goto err_out_free;