[PATCH v2 net-next 01/11] ibmvnic: Move resource initialization to its own routine

[Nathan Fontenot]

Move all of the calls to initialize resources for the driver to
a separate routine.

Signed-off-by: Nathan Fontenot <nf...@linux.vnet.ibm.com>
---
 drivers/net/ethernet/ibm/ibmvnic.c |   71 ++++++++++++++++++++----------------
 1 file changed, 39 insertions(+), 32 deletions(-)

diff --git a/drivers/net/ethernet/ibm/ibmvnic.c 
b/drivers/net/ethernet/ibm/ibmvnic.c
index 4fcd2f0..c67f1d6 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -624,22 +624,10 @@ static int set_real_num_queues(struct net_device *netdev)
        return rc;
 }
 
-static int ibmvnic_open(struct net_device *netdev)
+static int init_resources(struct ibmvnic_adapter *adapter)
 {
-       struct ibmvnic_adapter *adapter = netdev_priv(netdev);
-       struct device *dev = &adapter->vdev->dev;
-       int rc = 0;
-       int i;
-
-       if (adapter->is_closed) {
-               rc = ibmvnic_init(adapter);
-               if (rc)
-                       return rc;
-       }
-
-       rc = ibmvnic_login(netdev);
-       if (rc)
-               return rc;
+       struct net_device *netdev = adapter->netdev;
+       int i, rc;
 
        rc = set_real_num_queues(netdev);
        if (rc)
@@ -647,7 +635,7 @@ static int ibmvnic_open(struct net_device *netdev)
 
        rc = init_sub_crq_irqs(adapter);
        if (rc) {
-               dev_err(dev, "failed to initialize sub crq irqs\n");
+               netdev_err(netdev, "failed to initialize sub crq irqs\n");
                return -1;
        }
 
@@ -659,25 +647,47 @@ static int ibmvnic_open(struct net_device *netdev)
        adapter->napi = kcalloc(adapter->req_rx_queues,
                                sizeof(struct napi_struct), GFP_KERNEL);
        if (!adapter->napi)
-               goto ibmvnic_open_fail;
+               return -ENOMEM;
+
        for (i = 0; i < adapter->req_rx_queues; i++) {
                netif_napi_add(netdev, &adapter->napi[i], ibmvnic_poll,
                               NAPI_POLL_WEIGHT);
-               napi_enable(&adapter->napi[i]);
        }
 
        send_map_query(adapter);
 
        rc = init_rx_pools(netdev);
        if (rc)
-               goto ibmvnic_open_fail;
+               return rc;
 
        rc = init_tx_pools(netdev);
+       return rc;
+}
+
+static int ibmvnic_open(struct net_device *netdev)
+{
+       struct ibmvnic_adapter *adapter = netdev_priv(netdev);
+       int i, rc;
+
+       if (adapter->is_closed) {
+               rc = ibmvnic_init(adapter);
+               if (rc)
+                       return rc;
+       }
+
+       rc = ibmvnic_login(netdev);
        if (rc)
-               goto ibmvnic_open_fail;
+               return rc;
+
+       rc = init_resources(adapter);
+       if (rc)
+               return rc;
 
        replenish_pools(adapter);
 
+       for (i = 0; i < adapter->req_rx_queues; i++)
+               napi_enable(&adapter->napi[i]);
+
        /* We're ready to receive frames, enable the sub-crq interrupts and
         * set the logical link state to up
         */
@@ -688,19 +698,16 @@ static int ibmvnic_open(struct net_device *netdev)
                enable_scrq_irq(adapter, adapter->tx_scrq[i]);
 
        rc = set_link_state(adapter, IBMVNIC_LOGICAL_LNK_UP);
-       if (rc)
-               goto ibmvnic_open_fail;
-
-       netif_tx_start_all_queues(netdev);
-       adapter->is_closed = false;
-
-       return 0;
+       if (rc) {
+               for (i = 0; i < adapter->req_rx_queues; i++)
+                       napi_disable(&adapter->napi[i]);
+               release_resources(adapter);
+       } else {
+               netif_tx_start_all_queues(netdev);
+               adapter->is_closed = false;
+       }
 
-ibmvnic_open_fail:
-       for (i = 0; i < adapter->req_rx_queues; i++)
-               napi_disable(&adapter->napi[i]);
-       release_resources(adapter);
-       return -ENOMEM;
+       return rc;
 }
 
 static void disable_sub_crqs(struct ibmvnic_adapter *adapter)