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netxen: protect tx timeout recovery by rtnl lock

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Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Amit Kumar Salecha
2010-08-07 23:05:23 -07:00
committed by David S. Miller
parent 8bcfbd0af0
commit 16d884bd90
1 changed files with 7 additions and 8 deletions
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drivers/net/netxen/netxen_nic_main.c
+7 -8
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@@ -2001,27 +2001,26 @@ static void netxen_tx_timeout_task(struct work_struct *work)
if (++adapter->tx_timeo_cnt >= NX_MAX_TX_TIMEOUTS) if (++adapter->tx_timeo_cnt >= NX_MAX_TX_TIMEOUTS)
goto request_reset; goto request_reset;
rtnl_lock();
if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) { if (NX_IS_REVISION_P2(adapter->ahw.revision_id)) {
/* try to scrub interrupt */ /* try to scrub interrupt */
netxen_napi_disable(adapter); netxen_napi_disable(adapter);
adapter->netdev->trans_start = jiffies;
netxen_napi_enable(adapter); netxen_napi_enable(adapter);
netif_wake_queue(adapter->netdev); netif_wake_queue(adapter->netdev);
clear_bit(__NX_RESETTING, &adapter->state); clear_bit(__NX_RESETTING, &adapter->state);
return;
} else { } else {
clear_bit(__NX_RESETTING, &adapter->state); clear_bit(__NX_RESETTING, &adapter->state);
if (!netxen_nic_reset_context(adapter)) { if (netxen_nic_reset_context(adapter)) {
rtnl_unlock();
goto request_reset;
}
}
adapter->netdev->trans_start = jiffies; adapter->netdev->trans_start = jiffies;
rtnl_unlock();
return; return;
}
/* context reset failed, fall through for fw reset */
}
request_reset: request_reset:
adapter->need_fw_reset = 1; adapter->need_fw_reset = 1;