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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>
This commit is contained in:
Alexander Duyck 2010-01-13 01:49:13 +00:00 committed by David S. Miller
parent ff30b3642c
commit 1a647bd213
1 changed files with 4 additions and 0 deletions
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4
drivers/net/ixgbe/ixgbe_main.c
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@ -5576,6 +5576,10 @@ static void ixgbe_netpoll(struct net_device *netdev)
struct ixgbe_adapter *adapter = netdev_priv(netdev);
int i;
/* if interface is down do nothing */
if (test_bit(__IXGBE_DOWN, &adapter->state))
return;
adapter->flags |= IXGBE_FLAG_IN_NETPOLL;
if (adapter->flags & IXGBE_FLAG_MSIX_ENABLED) {
int num_q_vectors = adapter->num_msix_vectors - NON_Q_VECTORS;