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authorCasey Leedom <leedom@chelsio.com>2011-01-11 15:44:40 -0800
committerDavid S. Miller <davem@davemloft.net>2011-01-11 15:44:40 -0800
commit343a8d13aae58dec562dbb5c7d48a53e9b847871 (patch)
tree92f8af47939b892b7430d50e391a983907f00b9c /drivers/net/cxgb4vf
parent60dbb011df9764294284cc3e70f935eaa462e15e (diff)
downloadop-kernel-dev-343a8d13aae58dec562dbb5c7d48a53e9b847871.zip
op-kernel-dev-343a8d13aae58dec562dbb5c7d48a53e9b847871.tar.gz
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>
Diffstat (limited to 'drivers/net/cxgb4vf')
-rw-r--r--drivers/net/cxgb4vf/cxgb4vf_main.c15
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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