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igb: do a reset on SR-IOV re-init if device is down 

commit 76252723e8 upstream.

To properly re-initialize SR-IOV it is necessary to reset the device
even if it is already down. Not doing this may result in Tx unit hangs.

Signed-off-by: Stefan Assmann <sassmann@kpanic.de>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Stefan Assmann 2014-07-10 03:29:39 -07:00 committed by Greg Kroah-Hartman
parent 081caead26
commit f09e424e43
1 changed files with 2 additions and 0 deletions
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2
drivers/net/ethernet/intel/igb/igb_main.c
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@ -7505,6 +7505,8 @@ static int igb_sriov_reinit(struct pci_dev *dev)
if (netif_running(netdev))
igb_close(netdev);
else
igb_reset(adapter);
igb_clear_interrupt_scheme(adapter);