iavf: Fix missing check for running netdev

commit d2c0f45fcceb0995f208c441d9c9a453623f9ccf upstream.

The driver was queueing reset_task regardless of the netdev
state.

Do not queue the reset task in iavf_change_mtu if netdev
is not running.

Fixes: fdd4044ffdc8 ("iavf: Remove timer for work triggering, use delaying work instead")
Signed-off-by: Slawomir Laba <slawomirx.laba@intel.com>
Signed-off-by: Phani Burra <phani.r.burra@intel.com>
Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Mateusz Palczewski <mateusz.palczewski@intel.com>
Tested-by: Konrad Jankowski <konrad0.jankowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/net/ethernet/intel/iavf/iavf_main.c b/drivers/net/ethernet/intel/iavf/iavf_main.c
index 6502c80..211bd36 100644 (file)
--- a/drivers/net/ethernet/intel/iavf/iavf_main.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_main.c
@@ -3373,8 +3373,11 @@ static int iavf_change_mtu(struct net_device *netdev, int new_mtu)
                iavf_notify_client_l2_params(&adapter->vsi);
                adapter->flags |= IAVF_FLAG_SERVICE_CLIENT_REQUESTED;
        }
-       adapter->flags |= IAVF_FLAG_RESET_NEEDED;
-       queue_work(iavf_wq, &adapter->reset_task);
+
+       if (netif_running(netdev)) {
+               adapter->flags |= IAVF_FLAG_RESET_NEEDED;
+               queue_work(iavf_wq, &adapter->reset_task);
+       }
 
        return 0;
 }