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| author | Casey Leedom <leedom@chelsio.com> | 2011-01-12 02:44:40 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-01-12 02:44:40 +0300 |
| commit | 343a8d13aae58dec562dbb5c7d48a53e9b847871 (patch) | |
| tree | 92f8af47939b892b7430d50e391a983907f00b9c | |
| parent | 60dbb011df9764294284cc3e70f935eaa462e15e (diff) | |
| download | linux-343a8d13aae58dec562dbb5c7d48a53e9b847871.tar.xz | |
cxgb4vf: recover from failure in cxgb4vf_open()
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 <leedom@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | 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 3c403f895750..56166ae2059f 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); |