ibmvnic: Check for driver reset first in ibmvnic_xmit

Move the check for the driver resetting to the first thing
in ibmvnic_xmit().
Signed-off-by: NNathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/ibm/ibmvnic.c

@@ -985,12 +985,6 @@ static int ibmvnic_xmit(struct sk_buff *skb, struct net_device *netdev)
 	int index = 0;
 	int ret = 0;
 
-	tx_pool = &adapter->tx_pool[queue_num];
-	tx_scrq = adapter->tx_scrq[queue_num];
-	txq = netdev_get_tx_queue(netdev, skb_get_queue_mapping(skb));
-	handle_array = (u64 *)((u8 *)(adapter->login_rsp_buf) +
-				   be32_to_cpu(adapter->login_rsp_buf->
-					       off_txsubm_subcrqs));
 	if (adapter->resetting) {
 		if (!netif_subqueue_stopped(netdev, skb))
 			netif_stop_subqueue(netdev, queue_num);
@@ -1002,6 +996,12 @@ static int ibmvnic_xmit(struct sk_buff *skb, struct net_device *netdev)
 		goto out;
 	}
 
+	tx_pool = &adapter->tx_pool[queue_num];
+	tx_scrq = adapter->tx_scrq[queue_num];
+	txq = netdev_get_tx_queue(netdev, skb_get_queue_mapping(skb));
+	handle_array = (u64 *)((u8 *)(adapter->login_rsp_buf) +
+		be32_to_cpu(adapter->login_rsp_buf->off_txsubm_subcrqs));
+
 	index = tx_pool->free_map[tx_pool->consumer_index];
 	offset = index * adapter->req_mtu;
 	dst = tx_pool->long_term_buff.buff + offset;