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netxen: handle firmware load errors 

Unwind allocations and release file firmware when
when firmware load fails.

Signed-off-by: Dhananjay Phadke <dhananjay@netxen.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dhananjay Phadke 2009-09-05 17:43:07 +00:00 committed by David S. Miller
parent 6ec1c69a8f
commit db4cfd8a61
3 changed files with 20 additions and 4 deletions
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3
drivers/net/netxen/netxen_nic_hw.c
View File

@ -566,6 +566,9 @@ netxen_send_cmd_descs(struct netxen_adapter *adapter,
i = 0;
if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
return -EIO;
tx_ring = adapter->tx_ring;
__netif_tx_lock_bh(tx_ring->txq);

1
drivers/net/netxen/netxen_nic_init.c
View File

@ -905,6 +905,7 @@ netxen_release_firmware(struct netxen_adapter *adapter)
{
if (adapter->fw)
release_firmware(adapter->fw);
adapter->fw = NULL;
}
int netxen_init_dummy_dma(struct netxen_adapter *adapter)

20
drivers/net/netxen/netxen_nic_main.c
View File

@ -757,7 +757,7 @@ netxen_start_firmware(struct netxen_adapter *adapter, int request_fw)
err = netxen_need_fw_reset(adapter);
if (err < 0)
return err;
goto err_out;
if (err == 0)
goto wait_init;
@ -771,7 +771,9 @@ netxen_start_firmware(struct netxen_adapter *adapter, int request_fw)
if (NX_IS_REVISION_P3(adapter->ahw.revision_id))
netxen_set_port_mode(adapter);
netxen_load_firmware(adapter);
err = netxen_load_firmware(adapter);
if (err)
goto err_out;
if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
@ -785,7 +787,7 @@ netxen_start_firmware(struct netxen_adapter *adapter, int request_fw)
err = netxen_init_dummy_dma(adapter);
if (err)
return err;
goto err_out;
/*
* Tell the hardware our version number.
@ -800,7 +802,7 @@ wait_init:
err = netxen_phantom_init(adapter, NETXEN_NIC_PEG_TUNE);
if (err) {
netxen_free_dummy_dma(adapter);
return err;
goto err_out;
}
nx_update_dma_mask(adapter);
@ -808,6 +810,10 @@ wait_init:
netxen_nic_get_firmware_info(adapter);
return 0;
err_out:
netxen_release_firmware(adapter);
return err;
}
static int
@ -876,6 +882,9 @@ netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
{
int err;
if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
return -EIO;
err = adapter->init_port(adapter, adapter->physical_port);
if (err) {
printk(KERN_ERR "%s: Failed to initialize port %d\n",
@ -914,6 +923,9 @@ netxen_nic_up(struct netxen_adapter *adapter, struct net_device *netdev)
static void
netxen_nic_down(struct netxen_adapter *adapter, struct net_device *netdev)
{
if (adapter->is_up != NETXEN_ADAPTER_UP_MAGIC)
return;
spin_lock(&adapter->tx_clean_lock);
netif_carrier_off(netdev);
netif_tx_disable(netdev);