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ixgbe: Do not attempt to perform interrupts in netpoll when down
This patch resolves issues seen when running netconsole and rebooting via reboot -f. The issue was due to the fact that we were attempting to perform interrupt actions when the q_vectors and rings had already been freed via the ixgbe_shutdown routines. Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com> Acked-by: Mallikarjuna R Chilakala <mallikarjuna.chilakala@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -5576,6 +5576,10 @@ static void ixgbe_netpoll(struct net_device *netdev)
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struct ixgbe_adapter *adapter = netdev_priv(netdev);
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int i;
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/* if interface is down do nothing */
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if (test_bit(__IXGBE_DOWN, &adapter->state))
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return;
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adapter->flags |= IXGBE_FLAG_IN_NETPOLL;
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if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
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int num_q_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;
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