From 343a8d13aae58dec562dbb5c7d48a53e9b847871 Mon Sep 17 00:00:00 2001 From: Casey Leedom Date: Tue, 11 Jan 2011 15:44:40 -0800 Subject: [PATCH] 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 Signed-off-by: David S. Miller --- drivers/net/cxgb4vf/cxgb4vf_main.c | 15 ++++++++++----- 1 file 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); -- 2.20.1