netdev - [PATCH v3 net-next 08/11] ibmvnic: Check for driver reset first in ibmvnic

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Message-Id: <20170502185259.28214.58204.stgit@ltcalpine2-lp23.aus.stglabs.ibm.com>
Date:   Tue, 02 May 2017 14:52:59 -0400
From:   Nathan Fontenot <nfont@...ux.vnet.ibm.com>
To:     netdev@...r.kernel.org
Cc:     brking@...ux.vnet.ibm.com, jallen@...ux.vnet.ibm.com,
        muvic@...ux.vnet.ibm.com, tlfalcon@...ux.vnet.ibm.com
Subject: [PATCH v3 net-next 08/11] 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: Nathan Fontenot <nfont@...ux.vnet.ibm.com>
---
 drivers/net/ethernet/ibm/ibmvnic.c |   12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index 4da7080..2cf1b64 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/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;