fm10k: protect fm10k_open in fm10k_io_resume with rtnl_lock

fm10k_open requires rtnl_lock to be held.

Cc: Jeff Kirsher <[email protected]>
Cc: Jesse Brandeburg <[email protected]>
Cc: Shannon Nelson <[email protected]>
Cc: Carolyn Wyborny <[email protected]>
Cc: Don Skidmore <[email protected]>
Cc: Bruce Allan <[email protected]>
Cc: John Ronciak <[email protected]>
Cc: Mitch Williams <[email protected]>
Signed-off-by: Hannes Frederic Sowa <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_pci.c b/drivers/net/ethernet/intel/fm10k/fm10k_pci.c
index 404f47ae14b61eeba575dc42bdddd5f4213ee0b5..206a466999ed9a0e3f08c60ec2c0ef4af56cf521 100644 (file)
--- a/drivers/net/ethernet/intel/fm10k/fm10k_pci.c
+++ b/drivers/net/ethernet/intel/fm10k/fm10k_pci.c
@@ -2287,8 +2287,10 @@ static void fm10k_io_resume(struct pci_dev *pdev)
        /* reassociate interrupts */
        fm10k_mbx_request_irq(interface);
 
+       rtnl_lock();
        if (netif_running(netdev))
                err = fm10k_open(netdev);
+       rtnl_unlock();
 
        /* final check of hardware state before registering the interface */
        err = err ? : fm10k_hw_ready(interface);