ibmveth: Convert to netdev_alloc_skb

We were using alloc_skb which doesn't create any headroom. Change it to
use netdev_alloc_skb to match most other drivers.
Signed-off-by: NAnton Blanchard <anton@samba.org>
Signed-off-by: NSantiago Leon <santil@linux.vnet.ibm.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ibmveth.c

@@ -251,7 +251,7 @@ static void ibmveth_replenish_buffer_pool(struct ibmveth_adapter *adapter, struc
 	for(i = 0; i < count; ++i) {
 		union ibmveth_buf_desc desc;
 
-		skb = alloc_skb(pool->buff_size, GFP_ATOMIC);
+		skb = netdev_alloc_skb(adapter->netdev, pool->buff_size);
 
 		if(!skb) {
 			ibmveth_debug_printk("replenish: unable to allocate skb\n");