i40e: check asq alive before notify
authorAnjali Singhai Jain <anjali.singhai@intel.com>
Thu, 28 Nov 2013 06:39:46 +0000 (06:39 +0000)
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>
Mon, 6 Jan 2014 11:48:36 +0000 (03:48 -0800)
Driver needs to make sure the send queue is alive before
trying to use it.

Chagne-Id: I9bd1f6159c45c98e63f562e3a8dfb57edfe50e13
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
drivers/net/ethernet/intel/i40e/i40e_main.c

index c97fc0c..fd24ee4 100644 (file)
@@ -4776,7 +4776,8 @@ static int i40e_prep_for_reset(struct i40e_pf *pf)
 
        dev_info(&pf->pdev->dev, "Tearing down internal switch for reset\n");
 
-       i40e_vc_notify_reset(pf);
+       if (i40e_check_asq_alive(hw))
+               i40e_vc_notify_reset(pf);
 
        /* quiesce the VSIs and their queues that are not already DOWN */
        i40e_pf_quiesce_all_vsi(pf);