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be2net: cleanup in case of error in be_open()

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This patch adds cleanup code (things like unregistering irq,
disabling napi etc) to be_open() when an error occurs inside the
routine.

Signed-off-by: Sathya Perla <sathyap@serverengines.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sathya Perla 2010-05-30 23:33:45 +00:00 committed by David S. Miller
parent db6f30078d
commit 889cd4b2e5
1 changed files with 50 additions and 47 deletions
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97
drivers/net/benet/be_main.c
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@ -1735,6 +1735,44 @@ done:
adapter->isr_registered = false;
}
static int be_close(struct net_device *netdev)
{
struct be_adapter *adapter = netdev_priv(netdev);
struct be_eq_obj *rx_eq = &adapter->rx_eq;
struct be_eq_obj *tx_eq = &adapter->tx_eq;
int vec;
cancel_delayed_work_sync(&adapter->work);
be_async_mcc_disable(adapter);
netif_stop_queue(netdev);
netif_carrier_off(netdev);
adapter->link_up = false;
be_intr_set(adapter, false);
if (adapter->msix_enabled) {
vec = be_msix_vec_get(adapter, tx_eq->q.id);
synchronize_irq(vec);
vec = be_msix_vec_get(adapter, rx_eq->q.id);
synchronize_irq(vec);
} else {
synchronize_irq(netdev->irq);
}
be_irq_unregister(adapter);
napi_disable(&rx_eq->napi);
napi_disable(&tx_eq->napi);
/* Wait for all pending tx completions to arrive so that
* all tx skbs are freed.
*/
be_tx_compl_clean(adapter);
return 0;
}
static int be_open(struct net_device *netdev)
{
struct be_adapter *adapter = netdev_priv(netdev);
@ -1765,27 +1803,29 @@ static int be_open(struct net_device *netdev)
/* Now that interrupts are on we can process async mcc */
be_async_mcc_enable(adapter);
schedule_delayed_work(&adapter->work, msecs_to_jiffies(100));
status = be_cmd_link_status_query(adapter, &link_up, &mac_speed,
&link_speed);
if (status)
goto ret_sts;
goto err;
be_link_status_update(adapter, link_up);
if (be_physfn(adapter))
status = be_vid_config(adapter);
if (status)
goto ret_sts;
if (be_physfn(adapter)) {
status = be_vid_config(adapter);
if (status)
goto err;
status = be_cmd_set_flow_control(adapter,
adapter->tx_fc, adapter->rx_fc);
if (status)
goto ret_sts;
goto err;
}
schedule_delayed_work(&adapter->work, msecs_to_jiffies(100));
ret_sts:
return status;
return 0;
err:
be_close(adapter->netdev);
return -EIO;
}
static int be_setup_wol(struct be_adapter *adapter, bool enable)
@ -1913,43 +1953,6 @@ static int be_clear(struct be_adapter *adapter)
return 0;
}
static int be_close(struct net_device *netdev)
{
struct be_adapter *adapter = netdev_priv(netdev);
struct be_eq_obj *rx_eq = &adapter->rx_eq;
struct be_eq_obj *tx_eq = &adapter->tx_eq;
int vec;
cancel_delayed_work_sync(&adapter->work);
be_async_mcc_disable(adapter);
netif_stop_queue(netdev);
netif_carrier_off(netdev);
adapter->link_up = false;
be_intr_set(adapter, false);
if (adapter->msix_enabled) {
vec = be_msix_vec_get(adapter, tx_eq->q.id);
synchronize_irq(vec);
vec = be_msix_vec_get(adapter, rx_eq->q.id);
synchronize_irq(vec);
} else {
synchronize_irq(netdev->irq);
}
be_irq_unregister(adapter);
napi_disable(&rx_eq->napi);
napi_disable(&tx_eq->napi);
/* Wait for all pending tx completions to arrive so that
* all tx skbs are freed.
*/
be_tx_compl_clean(adapter);
return 0;
}
#define FW_FILE_HDR_SIGN "ServerEngines Corp. "
char flash_cookie[2][16] = {"*** SE FLAS",