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Date:   Tue,  3 Dec 2019 23:35:23 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Yixian Liu <liuyixian@...wei.com>,
        Jason Gunthorpe <jgg@...lanox.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 257/321] RDMA/hns: Fix the state of rereg mr

From: Yixian Liu <liuyixian@...wei.com>

[ Upstream commit ab22bf05216a6bb4812448f3a8609489047cf311 ]

The state of mr after reregister operation should be set to valid
state. Otherwise, it will keep the same as the state before reregistered.

Signed-off-by: Yixian Liu <liuyixian@...wei.com>
Signed-off-by: Jason Gunthorpe <jgg@...lanox.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/infiniband/hw/hns/hns_roce_hw_v2.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 1eda8a22a4252..a5ec900a14ae9 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -1776,6 +1776,9 @@ static int hns_roce_v2_rereg_write_mtpt(struct hns_roce_dev *hr_dev,
 	struct hns_roce_v2_mpt_entry *mpt_entry = mb_buf;
 	int ret = 0;
 
+	roce_set_field(mpt_entry->byte_4_pd_hop_st, V2_MPT_BYTE_4_MPT_ST_M,
+		       V2_MPT_BYTE_4_MPT_ST_S, V2_MPT_ST_VALID);
+
 	if (flags & IB_MR_REREG_PD) {
 		roce_set_field(mpt_entry->byte_4_pd_hop_st, V2_MPT_BYTE_4_PD_M,
 			       V2_MPT_BYTE_4_PD_S, pdn);
-- 
2.20.1



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