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From: Qi Zhang <qi.z.zhang@intel.com>
To: qiming.yang@intel.com
Cc: dev@dpdk.org, xiaolong.ye@intel.com, Qi Zhang <qi.z.zhang@intel.com>,
 stable@dpdk.org, Wei Zhao <wei.zhao1@intel.com>,
 "Paul M . Stillwell Jr" <paul.m.stillwell.jr@intel.com>
Date: Wed,  3 Jun 2020 10:40:11 +0800
Message-Id: <20200603024016.30636-48-qi.z.zhang@intel.com>
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Subject: [dpdk-stable] [PATCH 47/52] net/ice/base: fix reference count when
	update VSI list
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The parameter ref_cnt is used for tracking how many
rules are reusing this VSI list, so it can only be
updated when a rule which using this list be deleted.

Fixes: f89aa3affa9e ("net/ice/base: support removing advanced rule")
Cc: stable@dpdk.org

Signed-off-by: Wei Zhao <wei.zhao1@intel.com>
Signed-off-by: Paul M. Stillwell Jr <paul.m.stillwell.jr@intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang@intel.com>
---
 drivers/net/ice/base/ice_switch.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ice/base/ice_switch.c b/drivers/net/ice/base/ice_switch.c
index 84102368b..9c7e55ff9 100644
--- a/drivers/net/ice/base/ice_switch.c
+++ b/drivers/net/ice/base/ice_switch.c
@@ -7488,6 +7488,7 @@ ice_adv_rem_update_vsi_list(struct ice_hw *hw, u16 vsi_handle,
 				  tmp_fltr.fwd_id.hw_vsi_id, status);
 			return status;
 		}
+		fm_list->vsi_list_info->ref_cnt--;
 
 		/* Remove the VSI list since it is no longer used */
 		status = ice_remove_vsi_list_rule(hw, vsi_list_id, lkup_type);
@@ -7566,7 +7567,6 @@ ice_rem_adv_rule(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
 	if (list_elem->rule_info.sw_act.fltr_act != ICE_FWD_TO_VSI_LIST) {
 		remove_rule = true;
 	} else if (list_elem->vsi_count > 1) {
-		list_elem->vsi_list_info->ref_cnt--;
 		remove_rule = false;
 		vsi_handle = rinfo->sw_act.vsi_handle;
 		status = ice_adv_rem_update_vsi_list(hw, vsi_handle, list_elem);
-- 
2.13.6