[PATCH net-26] cxgb4vf: recover from failure in cxgb4vf_open()
From: Casey Leedom <hidden>
Date: 2011-01-11 21:58:04
If the Link Start fails in cxgb4vf_open(), we need to back out any state that we've built up ... Signed-off-by: Casey Leedom <redacted> --- drivers/net/cxgb4vf/cxgb4vf_main.c | 15 ++++++++++----- 1 files changed, 10 insertions(+), 5 deletions(-)
diff --git a/drivers/net/cxgb4vf/cxgb4vf_main.c b/drivers/net/cxgb4vf/cxgb4vf_main.c
index 3c403f8..56166ae 100644
--- a/drivers/net/cxgb4vf/cxgb4vf_main.c
+++ b/drivers/net/cxgb4vf/cxgb4vf_main.c@@ -749,13 +749,19 @@ static int cxgb4vf_open(struct net_device *dev) netif_set_real_num_tx_queues(dev, pi->nqsets); err = netif_set_real_num_rx_queues(dev, pi->nqsets); if (err) - return err; - set_bit(pi->port_id, &adapter->open_device_map); + goto err_unwind; err = link_start(dev); if (err) - return err; + goto err_unwind; + netif_tx_start_all_queues(dev); + set_bit(pi->port_id, &adapter->open_device_map); return 0; + +err_unwind: + if (adapter->open_device_map == 0) + adapter_down(adapter); + return err; } /*
@@ -764,13 +770,12 @@ static int cxgb4vf_open(struct net_device *dev) */ static int cxgb4vf_stop(struct net_device *dev) { - int ret; struct port_info *pi = netdev_priv(dev); struct adapter *adapter = pi->adapter; netif_tx_stop_all_queues(dev); netif_carrier_off(dev); - ret = t4vf_enable_vi(adapter, pi->viid, false, false); + t4vf_enable_vi(adapter, pi->viid, false, false); pi->link_cfg.link_ok = 0; clear_bit(pi->port_id, &adapter->open_device_map);
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1.7.0.4