From: Anjali Singhai Jain <anjali.singhai@intel.com>
Date: Thu, 28 Nov 2013 06:39:46 +0000 (+0000)
Subject: i40e: check asq alive before notify
X-Git-Tag: v3.14-rc1~94^2~279^2~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=37f0be6d297a5e32b7b2873a0d6d687e685948bc;p=platform%2Fkernel%2Flinux-exynos.git

i40e: check asq alive before notify

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>
---

diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index c97fc0c..fd24ee4 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -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);