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ixgbe: add missing rtnl_lock in PM resume path 

Upon resume from standby, ixgbe may trigger the ASSERT_RTNL() in
netif_set_real_num_tx_queues(). The call stack is:
	netif_set_real_num_tx_queues
	ixgbe_set_num_queues
	ixgbe_init_interrupt_scheme
	ixgbe_resume

Signed-off-by: Benjamin Poirier <bpoirier@suse.de>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Benjamin Poirier 2012-04-06 07:20:21 +00:00 committed by Jeff Kirsher
parent a99ff7d012
commit 34948a947d
1 changed files with 2 additions and 0 deletions
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2
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
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@ -4836,7 +4836,9 @@ static int ixgbe_resume(struct pci_dev *pdev)
pci_wake_from_d3(pdev, false);
rtnl_lock();
err = ixgbe_init_interrupt_scheme(adapter);
rtnl_unlock();
if (err) {
e_dev_err("Cannot initialize interrupts for device\n");
return err;