From bfc32f297337e86bbf16512ea27dd50dadd5959e Mon Sep 17 00:00:00 2001 From: Nathan Fontenot Date: Wed, 3 May 2017 14:04:26 -0400 Subject: ibmvnic: Move resource initialization to its own routine Move all of the calls to initialize resources for the driver to a separate routine. Signed-off-by: Nathan Fontenot Signed-off-by: David S. Miller --- drivers/net/ethernet/ibm/ibmvnic.c | 71 +++++++++++++++++++++----------------- 1 file changed, 39 insertions(+), 32 deletions(-) (limited to 'drivers/net/ethernet/ibm/ibmvnic.c') diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index 4fcd2f0378ba..c67f1d693c76 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) -- cgit v1.2.3-55-g7522