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Commit cb89ba24 authored by John Allen's avatar John Allen Committed by David S. Miller
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ibmvnic: Return from ibmvnic_resume if not in VNIC_OPEN state 



If the ibmvnic driver is not in the VNIC_OPEN state, return from
ibmvnic_resume callback. If we are not in the VNIC_OPEN state, interrupts
may not be initialized and directly calling the interrupt handler will
cause a crash.

Signed-off-by: default avatarJohn Allen <jallen@linux.vnet.ibm.com>
Reviewed-by: default avatarNathan Fontenot <nfont@linux.vnet.ibm.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent ca83697c

drivers/net/ethernet/ibm/ibmvnic.c

+3 −0
Original line number Diff line number Diff line
@@ -3859,6 +3859,9 @@ static int ibmvnic_resume(struct device *dev) 
	struct ibmvnic_adapter *adapter = netdev_priv(netdev);

	int i;



	if (adapter->state != VNIC_OPEN)

		return 0;



	/* kick the interrupt handlers just in case we lost an interrupt */

	for (i = 0; i < adapter->req_rx_queues; i++)

		ibmvnic_interrupt_rx(adapter->rx_scrq[i]->irq,