[PATCH 5.4 36/64] iavf: Fix missing check for running netdev

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From: Slawomir Laba <slawomirx.laba@xxxxxxxxx>

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@xxxxxxxxx>
Signed-off-by: Phani Burra <phani.r.burra@xxxxxxxxx>
Signed-off-by: Jacob Keller <jacob.e.keller@xxxxxxxxx>
Signed-off-by: Mateusz Palczewski <mateusz.palczewski@xxxxxxxxx>
Tested-by: Konrad Jankowski <konrad0.jankowski@xxxxxxxxx>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/net/ethernet/intel/iavf/iavf_main.c |    7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

--- a/drivers/net/ethernet/intel/iavf/iavf_main.c
+++ b/drivers/net/ethernet/intel/iavf/iavf_main.c
@@ -3323,8 +3323,11 @@ static int iavf_change_mtu(struct net_de
 		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;
 }





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