From: Scott Franco <safranco@intel.com>
Date: Tue, 26 Sep 2017 06:44:13 -0700
Subject: IB/opa_vnic: Properly clear Mac Table Digest
Patch-mainline: v4.15-rc1
Git-commit: 4bbdfe25600c1909c26747d0b5c39fd0e409bb87
References: bsc#1060463 FATE#323043

Clear the MAC table digest when the MAC table is freed.

Reviewed-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Signed-off-by: Scott Franco <safranco@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.c
+++ b/drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.c
@@ -139,6 +139,7 @@ void opa_vnic_release_mac_tbl(struct opa
 	rcu_assign_pointer(adapter->mactbl, NULL);
 	synchronize_rcu();
 	opa_vnic_free_mac_tbl(mactbl);
+	adapter->info.vport.mac_tbl_digest = 0;
 	mutex_unlock(&adapter->mactbl_lock);
 }