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i40vf: don't stop me now

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If a reset occurs when the netdev is closed, the reset task will hang in
napi_disable, causing deadlocks and general grumpiness.

Check to make sure the device is actually running before stopping
everything. This allows the reset task to complete and have a real good
time.

Change-ID: Iaaea84acbcb9b3810c216b14c3326e4287b75b58
Signed-off-by: Mitch Williams <mitch.a.williams@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Mitch Williams 2015-02-27 09:18:31 +00:00 committed by Jeff Kirsher
parent 1efc80eeee
commit 3c8e0b989a
1 changed files with 6 additions and 5 deletions
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11
drivers/net/ethernet/intel/i40evf/i40evf_main.c
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@ -1578,13 +1578,14 @@ static void i40evf_reset_task(struct work_struct *work)
adapter->flags &= ~I40EVF_FLAG_RESET_PENDING;
i40evf_irq_disable(adapter);
i40evf_napi_disable_all(adapter);
netif_tx_disable(netdev);
if (netif_running(adapter->netdev)) {
i40evf_napi_disable_all(adapter);
netif_tx_disable(netdev);
netif_tx_stop_all_queues(netdev);
netif_carrier_off(netdev);
}
netif_tx_stop_all_queues(netdev);
netif_carrier_off(netdev);
adapter->state = __I40EVF_RESETTING;
/* kill and reinit the admin queue */