diff options
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r-- | drivers/net/ethernet/ibm/ibmvnic.c | 39 |
1 files changed, 29 insertions, 10 deletions
diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index 153a868c5135..bbcd07a02694 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -1875,23 +1875,25 @@ static void __ibmvnic_reset(struct work_struct *work) mutex_unlock(&adapter->reset_lock); } -static void ibmvnic_reset(struct ibmvnic_adapter *adapter, - enum ibmvnic_reset_reason reason) +static int ibmvnic_reset(struct ibmvnic_adapter *adapter, + enum ibmvnic_reset_reason reason) { struct ibmvnic_rwi *rwi, *tmp; struct net_device *netdev = adapter->netdev; struct list_head *entry; + int ret; if (adapter->state == VNIC_REMOVING || adapter->state == VNIC_REMOVED) { + ret = EBUSY; netdev_dbg(netdev, "Adapter removing, skipping reset\n"); - return; + goto err; } if (adapter->state == VNIC_PROBING) { netdev_warn(netdev, "Adapter reset during probe\n"); - adapter->init_done_rc = EAGAIN; - return; + ret = adapter->init_done_rc = EAGAIN; + goto err; } mutex_lock(&adapter->rwi_lock); @@ -1901,7 +1903,8 @@ static void ibmvnic_reset(struct ibmvnic_adapter *adapter, if (tmp->reset_reason == reason) { netdev_dbg(netdev, "Skipping matching reset\n"); mutex_unlock(&adapter->rwi_lock); - return; + ret = EBUSY; + goto err; } } @@ -1909,7 +1912,8 @@ static void ibmvnic_reset(struct ibmvnic_adapter *adapter, if (!rwi) { mutex_unlock(&adapter->rwi_lock); ibmvnic_close(netdev); - return; + ret = ENOMEM; + goto err; } rwi->reset_reason = reason; @@ -1918,6 +1922,12 @@ static void ibmvnic_reset(struct ibmvnic_adapter *adapter, netdev_dbg(adapter->netdev, "Scheduling reset (reason %d)\n", reason); schedule_work(&adapter->ibmvnic_reset); + + return 0; +err: + if (adapter->wait_for_reset) + adapter->wait_for_reset = false; + return -ret; } static void ibmvnic_tx_timeout(struct net_device *dev) @@ -2052,6 +2062,8 @@ static void ibmvnic_netpoll_controller(struct net_device *dev) static int wait_for_reset(struct ibmvnic_adapter *adapter) { + int rc, ret; + adapter->fallback.mtu = adapter->req_mtu; adapter->fallback.rx_queues = adapter->req_rx_queues; adapter->fallback.tx_queues = adapter->req_tx_queues; @@ -2059,11 +2071,15 @@ static int wait_for_reset(struct ibmvnic_adapter *adapter) adapter->fallback.tx_entries = adapter->req_tx_entries_per_subcrq; init_completion(&adapter->reset_done); - ibmvnic_reset(adapter, VNIC_RESET_CHANGE_PARAM); adapter->wait_for_reset = true; + rc = ibmvnic_reset(adapter, VNIC_RESET_CHANGE_PARAM); + if (rc) + return rc; wait_for_completion(&adapter->reset_done); + ret = 0; if (adapter->reset_done_rc) { + ret = -EIO; adapter->desired.mtu = adapter->fallback.mtu; adapter->desired.rx_queues = adapter->fallback.rx_queues; adapter->desired.tx_queues = adapter->fallback.tx_queues; @@ -2071,12 +2087,15 @@ static int wait_for_reset(struct ibmvnic_adapter *adapter) adapter->desired.tx_entries = adapter->fallback.tx_entries; init_completion(&adapter->reset_done); - ibmvnic_reset(adapter, VNIC_RESET_CHANGE_PARAM); + adapter->wait_for_reset = true; + rc = ibmvnic_reset(adapter, VNIC_RESET_CHANGE_PARAM); + if (rc) + return ret; wait_for_completion(&adapter->reset_done); } adapter->wait_for_reset = false; - return adapter->reset_done_rc; + return ret; } static int ibmvnic_change_mtu(struct net_device *netdev, int new_mtu) |