Commit 34948a94 authored Apr 06, 2012 by Benjamin Poirier Committed by Jeff Kirsher Apr 17, 2012

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>

parent a99ff7d0

drivers/net/ethernet/intel/ixgbe/ixgbe_main.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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;