RDMA/hns: Init qp context when modify qp from reset to init

It needs to clear qp context previous when init qp context.  Otherwise,
the newly created qp context residue has the contents of the qp context
before the uninstall, and the qp context content is disordered, causing
the task to fail.

Signed-off-by: Lijun Ou <oulijun@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
index 835b78371294272dcf1a0013a58cf795208746e9..1cffe74b5fc81b31c7b6310c7b63c10595f25069 100644 (file)
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v2.c
@@ -3695,6 +3695,7 @@ static int hns_roce_v2_modify_qp(struct ib_qp *ibqp,
         */
        memset(qpc_mask, 0xff, sizeof(*qpc_mask));
        if (cur_state == IB_QPS_RESET && new_state == IB_QPS_INIT) {
+               memset(qpc_mask, 0, sizeof(*qpc_mask));
                modify_qp_reset_to_init(ibqp, attr, attr_mask, context,
                                        qpc_mask);
        } else if (cur_state == IB_QPS_INIT && new_state == IB_QPS_INIT) {