linux-kernel - [PATCH AUTOSEL for 4.14 59/60] IB/opa_vnic: Properly clear Mac Table Digest

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Date:   Wed, 13 Dec 2017 01:55:26 +0000
From:   alexander.levin@...izon.com
To:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "stable@...r.kernel.org" <stable@...r.kernel.org>
Cc:     Scott Franco <safranco@...el.com>,
        Dennis Dalessandro <dennis.dalessandro@...el.com>,
        Doug Ledford <dledford@...hat.com>, alexander.levin@...izon.com
Subject: [PATCH AUTOSEL for 4.14 59/60] IB/opa_vnic: Properly clear Mac Table
 Digest

From: Scott Franco <safranco@...el.com>

[ Upstream commit 4bbdfe25600c1909c26747d0b5c39fd0e409bb87 ]

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

Reviewed-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@...el.com>
Signed-off-by: Scott Franco <safranco@...el.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@...el.com>
Signed-off-by: Doug Ledford <dledford@...hat.com>
Signed-off-by: Sasha Levin <alexander.levin@...izon.com>
---
 drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.c b/drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.c
index afa938bd26d6..a72278e9cd27 100644
--- 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_vnic_adapter *adapter)
 	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);
 }
 
-- 
2.11.0